cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
4-Alkyloxyimino Derivatives of Uridine-5′-triphosphate: Distal Modification of Potent Agonists as a Strategy for Molecular Probes of P2Y 2 , P2Y 4 , and P2Y 6 Receptors
Creators: name: Balasubramanian, Ramachandran
name: Hammes, Eva
name: Harden, T. Kendall
name: Ball, Christopher B.
name: Barrett, Matthew O.
name: Jayasekara, P. Suresh
name: Brown, Kyle A.
name: Jacobson, Kenneth A.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Extended N4-(3-arylpropyl)oxy derivatives of uridine-5′-triphosphate were synthesized and potently stimulated phospholipase C stimulation in astrocytoma cells expressing G protein-coupled human (h) P2Y receptors (P2YRs) activated by UTP (P2Y2/4R) or UDP (P2Y6R). The potent P2Y4R-selective N4-(3-phenylpropyl)oxy agonist was phenyl ring-substituted or replaced with terminal heterocyclic or naphthyl rings with retention of P2YR potency. This broad tolerance for steric bulk in a distal region was not observed for dinucleoside tetraphosphate agonists with both nucleobases substituted. The potent N4-(3-(4-methoxyphenyl)-propyl)oxy analogue 19 (EC50: P2Y2R, 47 nM; P2Y4R, 23 nM) was functionalized for chain extension using click tethering of fluorophores as prosthetic groups. The BODIPY 630/650 conjugate 28 (MRS4162) exhibited EC50 values of 70, 66, and 23 nM at the hP2Y2/4/6Rs, respectively, and specifically labeled cells expressing the P2Y6R. Thus, an extended N4-(3-arylpropyl)oxy group accessed a structurally permissive region on three Gq-coupled P2YRs, and potency and selectivity were modulated by distal structural changes. This freedom of substitution was utilized to design of a pan-agonist fluorescent probe of a subset of uracil nucleotide-activated hP2YRs.
Lower resolvent bounds and Lyapunov exponents
Creators: name: Dyatlov, Semyon
name: Waters, Alden
Publisher: name: arXiv
Year: 2015
Subjects: subject: Analysis of PDEs (math.AP)
subject: Spectral Theory (math.SP)
subject: FOS: Mathematics

description: We prove a new polynomial lower bound on the scattering resolvent. For that, we construct a quasimode localized on a trajectory $γ$ which is trapped in the past, but not in the future. The power in the bound is expressed in terms of the maximal Lyapunov exponent on $γ$, and gives the minimal number of derivatives lost in exponential decay of solutions to the wave equation.
description: 26 pages, 3 figures; to appear in Appl. Math. Research Express
title: Реанимация и интенсивная терапия у больных в коматозных состояниях
Creators: name: ELS IPR BOOKS
Publisher: name: Саратовский государственный медицинский университет им. В.И. Разумовского
Year: 2021

description: В монографии систематизированы сведения об основных направлениях интенсивного лечения больных в коматозных состояниях, акцент сделан на разобщении перфузионно-метаболических соотношений в ткани головного мозга в острый период комы в зависимости от причин ее возникновения. Описаны направления интенсивного лечения больных в коматозных состояниях с учетом приоритетности механизма и стадии комы. Для специалистов в области анестезиологии и реаниматологии и неврологии.
Efficient approximation of Jacobian matrices involving a non-uniform fast Fourier transform (NUFFT)
Creators: name: Wang, Guanhua
name: Fessler, Jeffrey A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Image and Video Processing (eess.IV)
subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: There is growing interest in learning Fourier domain sampling strategies (particularly for magnetic resonance imaging, MRI) using optimization approaches. For non-Cartesian sampling patterns, the system models typically involve non-uniform FFT (NUFFT) operations. Commonly used NUFFT algorithms contain frequency domain interpolation, which is not differentiable with respect to the sampling pattern, complicating the use of gradient methods. This paper describes an efficient and accurate approach for computing approximate gradients involving NUFFTs. Multiple numerical experiments validated the improved accuracy and efficiency of the proposed approximation. As an application to computational imaging, the NUFFT Jacobians were used to optimize non-Cartesian MRI sampling trajectories via data-driven stochastic optimization. Specifically, the sampling patterns were learned with respect to various model-based reconstruction algorithms, including quadratic regularized reconstruction and compressed sensing-based reconstruction. The proposed approach enables sampling optimization for image sizes that are infeasible with standard auto-differentiation methods due to memory limits. The synergistic acquisition and reconstruction lead to remarkably improved image quality. In fact, we show that model-based image reconstruction (MBIR) methods with suitably optimized imaging parameters can perform nearly as well as CNN-based methods.
description: 12 pages, 5 figures
Design, Synthesis, Mechanisms of Action, and Toxicity of Novel 20( S )-Sulfonylamidine Derivatives of Camptothecin as Potent Antitumor Agents
Creators: name: Teng, Che-Ming
name: Pan, Shiow-Lin
name: Wang, Mei-Juan
name: Wang, Chih-Ya
name: Zhao, Yong-Long
name: Yang, Xiao-Ming
name: Liu, Ying-Qian
name: Zhao, Xiao-Bo
name: Chang, Ling-Chu
name: Wu, Yang-Chang
name: Yang, Liu
name: Nan, Xiang
name: Qian, Keduo
name: Kuo, Daih-Huang
name: Hung, Hsin-Yi
name: Yang, Jai-Sing
name: Kuo, Sheng-Chu
name: Goto, Masuo
name: Lee, Kuo-Hsiung
name: Morris-Natschke, Susan L.
name: Wu, Tian-Shung
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Twelve novel 20-sulfonylamidine derivatives (9a–9l) of camptothecin (1) were synthesized via a Cu-catalyzed three-component reaction. They showed similar or superior cytotoxicity compared with that of irinotecan (3) against A-549, DU-145, KB, and multidrug-resistant (MDR) KBvin tumor cell lines. Compound 9a demonstrated better cytotoxicity against MDR cells compared with that of 1 and 3. Mechanistically, 9a induced significant DNA damage by selectively inhibiting Topoisomerase (Topo) I and activating the ATM/Chk related DNA damage-response pathway. In xenograft models, 9a demonstrated significant activity without overt adverse effects at 5 and 10 mg/kg, comparable to 3 at 100 mg/kg. Notably, 9a at 300 mg/kg (i.p.) showed no overt toxicity in contrast to 1 (LD50 56.2 mg/kg, i.p.) and 3 (LD50 177.5 mg/kg, i.p.). Intact 9a inhibited Topo I activity in a cell-free assay in a manner similar to that of 1, confirming that 9a is a new class of Topo I inhibitor. 20-Sulfonylamidine 1-derivative 9a merits development as an anticancer clinical trial candidate.
Supplementary Tables 1 - 3 from Self-limiting population genetic control with sex-linked genome editors.
Creators: name: Burt, Austin
name: Deredec, Anne
Publisher: name: The Royal Society
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: 60113 Synthetic Biology

description: Further details on the model (including Tables SI1-4 on parameters, settings, fitnesses, and gametes produced) plus further details on the results from analysing the two-population model (including Figs. SI-1,2).
title: Реабилитация в медицине: междисциплинарные подходы к исследованию
Creators: name: ELS IPR BOOKS
Publisher: name: Саратовский государственный медицинский университет им. В.И. Разумовского
Year: 2020

description: В монографии изложены теоретические и практические аспекты медицинской реабилитации. Проводится анализ взаимодействия пациента и медицинского персонала в реабилитационном процессе с точки зрения этических, психологических, социальных вопросов. Авторы исследуют традиционные и инновационные подходы к процессу реабилитации. Предназначена для научных работников, аспирантов, всех интересующихся социальными проблемами медицинской реабилитации.
(400471) Mary Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Discovery of a Neuroprotective Chemical, ( S )- N -(3-(3,6-Dibromo-9 H -carbazol-9-yl)-2-fluoropropyl)-6-methoxypyridin-2-amine [(−)-P7C3-S243], with Improved Druglike Properties
Creators: name: Huntington, Paula
name: Ready, Joseph M.
name: Naidoo, Jacinth
name: Williams, Noelle S.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: (−)-P7C3-S243 is a neuroprotective aminopropyl carbazole with improved druglike properties compared with previously reported compounds in the P7C3 class. It protects developing neurons in a mouse model of hippocampal neurogenesis and protects mature neurons within the substantia nigra in a mouse model of Parkinson’s disease. A short, enantioselective synthesis provides the neuroprotective agent in optically pure form. It is nontoxic, orally bioavailable, metabolically stable, and able to cross the blood–brain barrier. As such, it represents a valuable lead compound for the development of drugs to treat neurodegenerative diseases and traumatic brain injury.
Supplementary Tables 1 - 3 from Self-limiting population genetic control with sex-linked genome editors
Creators: name: Burt, Austin
name: Deredec, Anne
Publisher: name: The Royal Society
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: 60113 Synthetic Biology

description: Further details on the model (including Tables SI1-4 on parameters, settings, fitnesses, and gametes produced) plus further details on the results from analysing the two-population model (including Figs. SI-1,2).
(400472) Willimina Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Similarity structures and de Rham decomposition
Creators: name: Kourganoff, Mickaël
Publisher: name: arXiv
Year: 2015
Subjects: subject: Differential Geometry (math.DG)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 53A30, 53C05, 53C12, 53C29, 57R30, 22E25, 22E40

description: A similarity structure on a connected manifold M is a Riemannian metric on its universal cover such that the fundamental group of M acts by similarities. If the manifold M is compact, we show that the universal cover admits a de Rham decomposition with at most two factors, one of which is Euclidean. Very recently, after Belgun and Moroianu conjectured that the number of factors was at most one, Matveev and Nikolayevsky found an example with two factors. When the non-flat factor has dimension 2, we give a complete classification of the examples with two factors. In greater dimensions, we make the first steps towards such a classification by showing that M is a fibration (with singularities) by flat Riemannian manifolds; up to a finite covering of M, we may assume that these manifolds are flat tori. We also prove a version of the de Rham decomposition theorem for the universal covers of manifolds with locally metric connections. During the proof, we define a notion of transverse (not necessarily flat) similarity structure on foliations, and show that foliations endowed with such a structure are either transversally flat or transversally Riemannian. None of these results assumes analyticity.
description: 25 pages. Math. Ann. (2018)
On Representation Knowledge Distillation for Graph Neural Networks
Creators: name: Joshi, Chaitanya K.
name: Liu, Fayao
name: Xun, Xu
name: Lin, Jie
name: Foo, Chuan-Sheng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Knowledge distillation is a learning paradigm for boosting resource-efficient graph neural networks (GNNs) using more expressive yet cumbersome teacher models. Past work on distillation for GNNs proposed the Local Structure Preserving loss (LSP), which matches local structural relationships defined over edges across the student and teacher's node embeddings. This paper studies whether preserving the global topology of how the teacher embeds graph data can be a more effective distillation objective for GNNs, as real-world graphs often contain latent interactions and noisy edges. We propose Graph Contrastive Representation Distillation (G-CRD), which uses contrastive learning to implicitly preserve global topology by aligning the student node embeddings to those of the teacher in a shared representation space. Additionally, we introduce an expanded set of benchmarks on large-scale real-world datasets where the performance gap between teacher and student GNNs is non-negligible. Experiments across 4 datasets and 14 heterogeneous GNN architectures show that G-CRD consistently boosts the performance and robustness of lightweight GNNs, outperforming LSP (and a global structure preserving variant of LSP) as well as baselines from 2D computer vision. An analysis of the representational similarity among teacher and student embedding spaces reveals that G-CRD balances preserving local and global relationships, while structure preserving approaches are best at preserving one or the other. Our code is available at https://github.com/chaitjo/efficient-gnns
description: IEEE Transactions on Neural Networks and Learning Representation (TNNLS), Special Issue on Deep Neural Networks for Graphs: Theory, Models, Algorithms and Applications
(400473) Elisabeth Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Discovery of a Phosphodiesterase 9A Inhibitor as a Potential Hypoglycemic Agent
Creators: name: Cai, Yinghong
name: Cui, Wenjun
name: Liu, Peiqing
name: Li, Zhe
name: Wan, Yiqian
name: Shao, Yong-xian
name: Zhu, Xinhai
name: Luo, Hai-Bin
name: Huang, Manna
name: Ke, Hengming
name: Wu, Yinuo
name: Feng, Ling-Jun
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Phosphodiesterase 9 (PDE9) inhibitors have been studied as potential therapeutics for treatment of diabetes and Alzheimer’s disease. Here we report a potent PDE9 inhibitor 3r that has an IC50 of 0.6 nM and >150-fold selectivity over other PDEs. The HepG2 cell-based assay shows that 3r inhibits the mRNA expression of phosphoenolpyruvate carboxykinase and glucose 6-phosphatase. These activities of 3r, together with the reasonable pharmacokinetic properties and no acute toxicity at 1200 mg/kg dosage, suggest its potential as a hypoglycemic agent. The crystal structure of PDE9-3r reveals significantly different conformation and hydrogen bonding pattern of 3r from those of previously published 28s. Both 3r and 28s form a hydrogen bond with Tyr424, a unique PDE9 residue (except for PDE8), but 3r shows an additional hydrogen bond with Ala452. This structure information might be useful for design of PDE9 inhibitors.
Optimization of 4-( N -Cycloamino)phenylquinazolines as a Novel Class of Tubulin-Polymerization Inhibitors Targeting the Colchicine Site
Creators: name: Morris-Natschke, Susan L.
name: Qian, Keduo
name: Wang, Xiao-Feng
name: Lee, Kuo-Hsiung
name: Wang, Sheng-Biao
name: Zhu, Dong-Qing
name: Guan, Fang
name: Wang, Lili
name: Hamel, Ernest
name: Li, Linna
name: Yang, Dexuan
name: Yuan, Shoujun
name: Wang, Li-Ting
name: Ohkoshi, Emika
name: Xie, Lan
name: Guo, Wanjun
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: The 6-methoxy-1,2,3,4-tetrahydroquinoline moiety in prior leads 2-chloro- and 2-methyl-4-(6-methoxy-3,4-dihydroquinolin-1(2H)-yl)quinazoline (1a and 1b) was modified to produce 4-(N-cycloamino)quinazolines (4a–c and 5a–m). The new compounds were evaluated in cytotoxicity and tubulin inhibition assays, resulting in the discovery of new tubulin-polymerization inhibitors. 7-Methoxy-4-(2-methylquinazolin-4-yl)-3,4-dihydroquinoxalin- 2(1H)-one (5f), the most potent compound, exhibited high in vitro cytotoxic activity (GI50 1.9–3.2 nM), significant potency against tubulin assembly (IC50 0.77 μM), and substantial inhibition of colchicine binding (99% at 5 μM). In mechanism studies, 5f caused cell arrest in G2/M phase, disrupted microtubule formation, and competed mostly at the colchicine site on tubulin. Compound 5f and N-methylated analogue 5g were evaluated in nude mouse MCF7 xenograft models to validate their antitumor activity. Compound 5g displayed significant in vivo activity (tumor inhibitory rate 51%) at a dose of 4 mg/kg without obvious toxicity, whereas 5f unexpectedly resulted in toxicity and death at the same dose.
QSAR Modeling: Where Have You Been? Where Are You Going To?
Creators: name: Cherkasov, Artem
name: Varnek, Alexandre
name: Fourches, Denis
name: Richard, Ann
name: Terfloth, Lothar
name: Cronin, Mark
name: Rathman, James
name: Tropsha, Alexander
name: Baskin, Igor I.
name: Gasteiger, Johann
name: Yang, Chihae
name: Cramer, Richard
name: Todeschini, Roberto
name: Gramatica, Paola
name: Dearden, John
name: Benigni, Romualdo
name: Kuz’min, Victor E.
name: Consonni, Viviana
name: Muratov, Eugene N.
name: Martin, Yvonne C.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Quantitative Structure-Activity Relationship modeling is one of the major computational tools employed in medicinal chemistry. However, throughout its entire history it has drawn both praise and criticism concerning its reliability, limitations, successes, and failures. In this paper, we discuss: (i) the development and evolution of QSAR; (ii) the current trends, unsolved problems, and pressing challenges; and (iii) several novel and emerging applications of QSAR modeling. Throughout this discussion, we provide guidelines for QSAR development, validation, and application, which are summarized in best practices for building rigorously validated and externally predictive QSAR models. We hope that this Perspective will help communications between computational and experimental chemists towards collaborative development and use of QSAR models. We also believe that the guidelines presented here will help journal editors and reviewers apply more stringent scientific standards to manuscripts reporting new QSAR studies, as well as encourage the use of high quality, validated QSARs for regulatory decision making.
(400467) Graham Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
The hydrodynamic theory of dynamical correlation functions in the XX chain
Creators: name: Del Vecchio, Giuseppe Del Vecchio
name: Doyon, Benjamin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: By the hydrodynamic linear response theory, dynamical correlation functions decay as power laws along certain velocities, determined by the flux Jacobian. Such correlations are obtained by hydrodynamic projections, and physically, they are due to propagating "sound waves" or generalisation thereof, transporting conserved quantities between the observables. However, some observables do not emit sound waves, such as order parameters associated to symmetry breaking. In these cases correlation functions decay exponentially everywhere, a behaviour not captured by the hydrodynamic linear response theory. Focussing on spin-spin correlation functions in the XX quantum chain, we first review how hydrodynamic linear response works, emphasising that the necessary fluid cell averaging washes out oscillatory effects. We then show how, beyond linear response, Euler hydrodynamics can still predict the exponential decay of correlation functions of order parameters. This is done by accounting for the large-scale fluctuations of domain walls, via the recently developed ballistic fluctuation theory. We use the framework of generalised hydrodynamics, which is particularly simple in this model due to its free fermion description. In particular, this reproduces, by elementary calculations, the exponential decay in the celebrated formulae by A.R. Its, A.G. Izergin, V.E. Korepin, N.A. Slavnov (1993) and by X. Jie (1998), which were originally obtained by intricate Fredholm determinant analysis; and gives a new formula in a parameter domain where no result was obtained before. We confirm the results by numerical simulations.
description: v1: 40 pages, 5 figures. v2: 43 pages, one appendix added, typos corrected, references added. v3: 44 pages, moved appendix A in main text, typos corrected, few comments removed/added for clarification, references added
Energy analysis in ice hockey arenas and analytical formula for the temperature profile in the ice pad with transient boundary conditions
Creators: name: Ferrantelli, Andrea
name: Viljanen, Klaus
name: Kurnitski, Jarek
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: The energy efficiency of ice hockey arenas is a central concern for the administrations, as these buildings are well known to consume a large amount of energy. Since they are composite, complex systems, solutions to such a problem can be approached from many different areas, from managerial to technological to more strictly physical. In this paper we consider heat transfer processes in an ice hockey hall, during operating conditions, with a bottom-up approach based upon on-site measurements. Detailed heat flux, relative humidity and temperature data for the ice pad and the indoor air are used for a heat balance calculation in the steady-state regime, which quantifies the impact of each single heat source. We then solve the heat conduction equation for the ice pad in transient regime, and obtain a generic analytical formula for the temperature profile that can be used in practical applications. We then apply this formula to the resurfacing process for validation, and find good agreement with an analogous numerical solution. Since it is given with implicit initial condition and boundary conditions, it can be used not only in ice hockey halls, but in a large variety of engineering applications.
description: 23 pages, 18 figures, 1 table. Updated version with new title and improved descriptions, Table 1 and bibliography. Published in Advances in Building Energy Research
The Antitumor Agent PBT-1 Directly Targets HSP90 and hnRNP A2/B1 and Inhibits Lung Adenocarcinoma Growth and Metastasis
Creators: name: Yang, Pan-Chyr
name: Wang, Tzu-Chien V.
name: Kuan, Crysline
name: Chen, Chi-Yuan
name: Lee, Kuo-Hsiung
name: Chow, Lu-Ping
name: Lin, Jau-Chen
name: Hong, Tse-Ming
name: Yang, Xiaoming
name: Wei, Lin-Yi
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Natural products are the major sources of currently available anticancer drugs. We recently reported that phenanthrene-based tylophorine derivative-1 (PBT-1) may be a potential antitumor agent for lung adenocarcinoma. We therefore examined the direct targets of PBT-1 and their effects in inhibiting lung adenocarcinoma. We found that PBT-1 reduced the level of Slug and inhibits the migration, invasion, and filopodia formation of lung adenocarcinoma CL1-5 cells in vitro. In addition, PBT-1 displayed in vivo antitumor and antimetastasis activities against subcutaneous and orthotopic xenografts of CL1-5 cells in nude mice. Chemical proteomics showed that heat shock protein 90 (HSP90) and heterogeneous nuclear ribonucleoproteins A2/B1 (hnRNP A2/B1) bound PBT-1 in CL1-5 cells. Inhibition of HSP90 and hnRNP A2/B1 reduced the activation of AKT and Slug expression. Taken together, these findings suggest that PBT-1 binds to HSP90 and/or hnRNP A2/B1 and initiates antitumor activities by affecting Slug- and AKT-mediated metastasis and tumorigenesis.
(400468) Ja[mes] Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
NIHAO IV: Core creation and destruction in dark matter density profiles across cosmic time
Creators: name: Tollet, Edouard
name: Macciò, Andrea V.
name: Dutton, Aaron A.
name: Stinson, Greg S.
name: Wang, Liang
name: Penzo, Camilla
name: Gutcke, Thales A.
name: Buck, Tobias
name: Kang, Xi
name: Brook, Chris
name: Di Cintio, Arianna
name: Keller, Ben W.
name: Wadsley, James
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use the NIHAO simulations to investigate the effects of baryonic physics on the time evolution of Dark Matter central density profiles. The sample is made of $\approx 70$ independent high resolution hydrodynamical simulations of galaxy formation and covers a wide mass range: 1e10< Mhalo <1e12, i.e., from dwarfs to L* . We confirm previous results on the dependence of the inner dark matter density slope, $α$, on the ratio between stellar-to-halo mass. We show that this relation holds approximately at all redshifts (with an intrinsic scatter of ~0.18 in $α$). This implies that in practically all haloes the shape of their inner density profile changes quite substantially over cosmic time, as they grow in stellar and total mass. Thus, depending on their final stellar-to-halo mass ratio, haloes can either form and keep a substantial density core (size~1 kpc), or form and then destroy the core and re-contract the halo, going back to a cuspy profile, which is even steeper than CDM predictions for massive galaxies (~1e12 Msun). We show that results from the NIHAO suite are in good agreement with recent observational measurements of $α$ in dwarf galaxies. Overall our results suggest that the notion of a universal density profile for dark matter haloes is no longer valid in the presence of galaxy formation.
description: 11 pages, 13 figures. Corrected typo in table 2 (middle row) with respect to the version published in MNRAS
Remarks on mass and angular momenta for $U(1)^2$-invariant initial data
Creators: name: Alaee, Aghil
name: Kunduri, Hari K.
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We extend Brill's positive mass theorem to a large class of asymptotically flat, maximal, $U(1)^2$-invariant initial data sets on simply connected four dimensional manifolds $Σ$. Moreover, we extend the local mass angular momenta inequality result Ref [1] for $U(1)^2$ invariant black holes to the case with nonzero stress energy tensor with positive matter density and energy-momentum current invariant under the above symmetries.
description: 17 pages, LaTeX; v2. assumptions on generalized Brill data weakened and the main theorem modified accordingly
(400469) William Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Development of a Novel Class of Tubulin Inhibitor from Desmosdumotin B with a Hydroxylated Bicyclic B-Ring
Creators: name: Hamel, Ernest
name: Ohkoshi, Emika
name: Lee, Kuo-Hsiung
name: Goto, Masuo
name: Oda, Akifumi
name: Nakagawa-Goto, Kyoko
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: A series of newly synthesized hydroxylated analogues of triethyldesmosdumotin B (TEDB) with a bicyclic B-ring exhibited a significantly different mode of action for affecting microtubule dynamics and spindle formation but had the same antiproliferative activity spectrum, including activity against multidrug-resistant tumors. These analogues efficiently induced cell cycle arrest at prometaphase and caused formation of immature multipolar spindles. 6'-Hydroxyl TEDB-TB (8) disrupted bipolar spindle formation but had a negligible effect on interphase microtubules. On the basis of the predicted binding modes of the new compounds with tubulin dimer, compound 4 forms three hydrogen bonds (H-bonds) only with α-tubulin at the colchicine site; in contrast, 8 forms H-bonds with both α- and β-tubulin. We predict that, when a compound/ligand, such as 8, forms H-bonds to both α- and β-tubulins, spindle formation is disrupted more than the dynamics of interphase microtubules. This result may reflect the well-known greater dynamicity of spindle microtubules as compared with interphase microtubules.
Optimization of 2-Phenylcyclopropylmethylamines as Selective Serotonin 2C Receptor Agonists and Their Evaluation as Potential Antipsychotic Agents
Creators: name: Vistoli, Giulio
name: Wetsel, William C.
name: Lv, Wei
name: Roth, Bryan L.
name: Onajole, Oluseye K.
name: Gaisin, Arsen
name: Pogorelov, Vladimir M.
name: Kozikowski, Alan P.
name: Rodriguiz, Ramona M.
name: Gunosewoyo, Hendra
name: Schmerberg, Claire M.
name: Cheng, Jianjun
name: Giguère, Patrick M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: The discovery of a new series of compounds that are potent, selective 5-HT2C receptor agonists is described herein as we continue our efforts to optimize the 2-phenylcyclopropylmethylamine scaffold. Modifications focused on the alkoxyl substituent present on the aromatic ring led to the identification of improved ligands with better potency at the 5-HT2C receptor and excellent selectivity against the 5-HT2A and 5-HT2B receptors. ADMET studies coupled with a behavioral test using the amphetamine-induced hyperactivity model identified four compounds possessing drug-like profiles and having antipsychotic properties. Compound (+)-16b, which displayed an EC50 of 4.2 nM at 5-HT2C, no activity at 5-HT2B, and an 89-fold selectivity against 5-HT2A, is one of the most potent and selective 5-HT2C agonists reported to date. The likely binding mode of this series of compounds to the 5-HT2C receptor was also investigated in a modeling study, using optimized models incorporating the structures of β2-adrenergic receptor ...
An OSRC Preconditioner for the EFIE
Creators: name: Fierro-Piccardo, Ignacia
name: Betcke, Timo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: The Electric Field Integral Equation (EFIE) is a well-established tool to solve electromagnetic scattering problems. However, the development of efficient and easy to implement preconditioners remains an active research area. In recent years, operator preconditioning approaches have become popular for the EFIE, where the electric field boundary integral operator is regularised by multiplication with another convenient operator. A particularly intriguing choice is the exact Magnetic-to-Electric (MtE) operator as regulariser. But, evaluating this operator is as expensive as solving the original EFIE. In work by El Bouajaji, Antoine and Geuzaine, approximate local Magnetic-to-Electric surface operators for the time-harmonic Maxwell equation were proposed. Thesecan be efficiently evaluated through the solution of sparse problems. This paper demonstrates the preconditioning properties of these approximate MtE operators for the EFIE. The implementation is described and a number of numerical comparisons against other preconditioning techniques for the EFIE are presented to demonstrate the effectiveness of this new technique.
Traces of intertwiners for quantum affine sl_2 and Felder-Varchenko functions
Creators: name: Sun, Yi
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Algebra (math.QA)
subject: Mathematical Physics (math-ph)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 17B37 (primary), 17B67, 33C75, 33D80, 81R10 (secondary)

description: We show that the traces of $U_q(\widehat{\mathfrak{sl}}_2)$-intertwiners of Etingof-Schiffmann-Varchenko valued in the three-dimensional evaluation representation converge in a certain region of parameters and give a representation-theoretic construction of Felder-Varchenko's hypergeometric solutions to the $q$-KZB heat equation. This gives the first proof that such a trace function converges and resolves the first case of the Etingof-Varchenko conjecture. As applications, we prove a symmetry property for traces of intertwiners and prove Felder-Varchenko's conjecture that their elliptic Macdonald polynomials are related to the affine Macdonald polynomials defined as traces over irreducible integrable $U_q(\widehat{\mathfrak{sl}}_2)$-modules by Etingof-Kirillov Jr. In the trigonometric and classical limits, we recover results of Etingof-Kirillov Jr. and Etingof-Varchenko. Our method relies on an interplay between the method of coherent states applied to the free field realization of the $q$-Wakimoto module of Matsuo, convergence properties given by the theta hypergeometric integrals of Felder-Varchenko, and rationality properties originating from the representation-theoretic definition of the trace function.
description: 57 pages. v2: corrected rationality of intertwiners in Section 2 and its use in Section 5; corrected proof of Proposition 4.7; clarified use of continuation in Section 9; main results are unchanged
Electronic Supplementary Material from Ecological conditions alter cooperative behaviour and its costs in a chemically defended sawfly.
Creators: name: Lindstedt, Carita
name: Miettinen, Antti
name: Dalial Freitak
name: Ketola, Tarmo
name: López-Sepulcre, Andres
name: Mäntylä, Elina
name: Pakkanen, Hannu
Publisher: name: The Royal Society
Year: 2018
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 60801 Animal Behaviour

description: The evolution of cooperation and social behaviour is often studied in isolation from the ecology of organisms. Yet, the selective environment under which individuals evolve is much more complex in nature, consisting of ecological and abiotic interactions in addition to social ones. Here, we measured the life-history costs of cooperative chemical defence in a gregarious social herbivore, Diprion pini pine sawfly larvae, and how these costs vary under different ecological conditions. We ran a rearing experiment where we manipulated diet (resin content) and attack intensity by repeatedly harassing larvae to produce a chemical defence. We show that forcing individuals to allocate more to cooperative defence (high attack intensity) incurred a clear cost by decreasing individual survival and potency of chemical defence. Cooperative behaviour and the magnitude of its costs were further shaped by host plant quality. The number of individuals participating in group defence, immune responses and female growth decreased on a high resin diet under high attack intensity. We also found some benefits of cheating: non-defending males had higher growth rates across treatments. Taken together, these results suggest that ecological interactions can shape the adaptive value of cooperative behaviour and maintain variation in the frequency of cooperation and cheating.
Challenging Machine Learning-based Clone Detectors via Semantic-preserving Code Transformations
Creators: name: Zhang, Weiwei
name: Guo, Shengjian
name: Zhang, Hongyu
name: Sui, Yulei
name: Xue, Yinxing
name: Xu, Yun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: Software clone detection identifies similar code snippets. It has been an active research topic that attracts extensive attention over the last two decades. In recent years, machine learning (ML) based detectors, especially deep learning-based ones, have demonstrated impressive capability on clone detection. It seems that this longstanding problem has already been tamed owing to the advances in ML techniques. In this work, we would like to challenge the robustness of the recent ML-based clone detectors through code semantic-preserving transformations. We first utilize fifteen simple code transformation operators combined with commonly-used heuristics (i.e., Random Search, Genetic Algorithm, and Markov Chain Monte Carlo) to perform equivalent program transformation. Furthermore, we propose a deep reinforcement learning-based sequence generation (DRLSG) strategy to effectively guide the search process of generating clones that could escape from the detection. We then evaluate the ML-based detectors with the pairs of original and generated clones. We realize our method in a framework named CloneGen. CloneGen In evaluation, we challenge the two state-of-the-art ML-based detectors and four traditional detectors with the code clones after semantic-preserving transformations via the aid of CloneGen. Surprisingly, our experiments show that, despite the notable successes achieved by existing clone detectors, the ML models inside these detectors still cannot distinguish numerous clones produced by the code transformations in CloneGen. In addition, adversarial training of ML-based clone detectors using clones generated by CloneGen can improve their robustness and accuracy. CloneGen Meanwhile, compared with the commonly-used heuristics, the DRLSG strategy has shown the best effectiveness in generating code clones to decrease the detection accuracy of the ML-based detectors.
Electronic Supplementary Material from Ecological conditions alter cooperative behaviour and its costs in a chemically defended sawfly
Creators: name: Lindstedt, Carita
name: Miettinen, Antti
name: Dalial Freitak
name: Ketola, Tarmo
name: López-Sepulcre, Andres
name: Mäntylä, Elina
name: Pakkanen, Hannu
Publisher: name: The Royal Society
Year: 2018
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 60801 Animal Behaviour

description: The evolution of cooperation and social behaviour is often studied in isolation from the ecology of organisms. Yet, the selective environment under which individuals evolve is much more complex in nature, consisting of ecological and abiotic interactions in addition to social ones. Here, we measured the life-history costs of cooperative chemical defence in a gregarious social herbivore, Diprion pini pine sawfly larvae, and how these costs vary under different ecological conditions. We ran a rearing experiment where we manipulated diet (resin content) and attack intensity by repeatedly harassing larvae to produce a chemical defence. We show that forcing individuals to allocate more to cooperative defence (high attack intensity) incurred a clear cost by decreasing individual survival and potency of chemical defence. Cooperative behaviour and the magnitude of its costs were further shaped by host plant quality. The number of individuals participating in group defence, immune responses and female growth decreased on a high resin diet under high attack intensity. We also found some benefits of cheating: non-defending males had higher growth rates across treatments. Taking together, these results suggest that ecological interactions can shape the adaptive value of cooperative behaviour and maintain variation in the frequency of cooperation and cheating.
On the Effective Putinar's Positivstellensatz and Moment Approximation
Creators: name: Baldi, Lorenzo
name: Mourrain, Bernard
Publisher: name: arXiv
Year: 2021
Subjects: subject: Commutative Algebra (math.AC)
subject: Algebraic Geometry (math.AG)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: We analyse the representation of positive polynomials in terms of Sums of Squares. We provide a quantitative version of Putinar's Positivstellensatz over a compact basic semialgebraic set S, with a new polynomial bound on the degree of the positivity certificates. This bound involves a Lojasiewicz exponent associated to the description of S. We show that if the gradients of the active constraints are linearly independent on S (Constraint Qualification condition),this Lojasiewicz exponent is equal to 1. We deduce the first general polynomial bound on the convergence rate of the optima in Lasserre's Sum-of-Squares hierarchy to the global optimum of a polynomial function on S, and the first general bound on the Hausdorff distance between the cone of truncated (probability) measures supported on S and the cone of truncated pseudo-moment sequences, which are positive on the quadratic module of S.
description: Mathematical Programming, Series A, 2022
(400470) Agness Gall
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
MPEC 2023-T237 : 2023 TG10
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 TG10

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Burg Rothenfels am Main
Creators: name: Mogge, Winfried
Publisher: name: Burgen und Schlösser - Zeitschrift für Burgenforschung und Denkmalpflege
Year: 2017

description: Erratum S. 49: "Abb. 13. Burg Rothenfels, offener Kamin im Südturm (um 1520)" statt "Abb. 13. Burg Rothenfels, offener Kamin im Südturm (um 1250)".
description: Burgen und Schlösser - Zeitschrift für Burgenforschung und Denkmalpflege, Bd. 14 Nr. 1 (1973): Burgen und Schlösser. Zeitschrift für Burgenforschung und Denkmalpflege
Gradient Ricci almost soliton warped product
Creators: name: Feitosa, F. E. S.
name: Filho, A. A. Freitas
name: Gomes, J. N. V.
name: Pina, R. S.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: Primary 53C15, 53C25, Secondary 53C21

description: We present the necessary and sufficient conditions for constructing gradient Ricci almost solitons that are realized as warped products. This will be done by means of Bishop-O'Neill's formulas and a particular study of Riemannian manifolds satisfying a Ricci-Hessian type equation. We prove existence results and give an example of particular solutions of the PDEs that arise from our construction. We also prove a rigidity result for a gradient Ricci soliton Riemannian product in the class of gradient Ricci almost soliton warped products under some natural geometric assumptions on the warping function.
description: Final version which has been accepted for publication in Journal of Geometry and Physics
Probing many-body localization by excited-state VQE
Creators: name: Liu, Shuo
name: Zhang, Shi-Xin
name: Hsieh, Chang-Yu
name: Zhang, Shengyu
name: Yao, Hong
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Non-equilibrium physics including many-body localization (MBL) has attracted increasing attentions, but theoretical approaches of reliably studying non-equilibrium properties remain quite limited. In this Letter, we propose a systematic approach to probe MBL phases via the excited-state variational quantum eigensolver (VQE) and demonstrate convincing results of MBL on a quantum hardware, which we believe paves a promising way for future simulations of non-equilibrium systems beyond the reach of classical computations in the noisy intermediate-scale quantum (NISQ) era. Moreover, the MBL probing protocol based on excited-state VQE is NISQ-friendly, as it can successfully differentiate the MBL phase from thermal phases with relatively-shallow quantum circuits, and it is also robust against the effect of quantum noises.
description: 5 pages + references + supplemental, 7 figures