bluuebunny/crossref_metadata_2025_split huggingface dataset:
Pathogenicity and in vivo Development of Metarhizium rileyi Against Spodoptera litura (Lepidoptera: Noctuidae) Larvae
Authors: Liu Shouzhu , Xu Zhimin , Wang Xueying , Zhao Lvquan , Wang Guiqing , Li Xuewen , Zhang Leilei 
Published: April 2019

AbstractMetarhizium rileyi, a well-known entomopathogenic fungus, could open up new vistas in biological control of insect pests; however, due to its intrinsic shortcomings, such as long pathogenic process, its application is largely limited. To explore which process, the invasion or the following in vivo development, is the main factor responsible for the long pathogenic process, the lethal effect of M. rileyi against Spodoptera litura (Fabricius) was determined by conidial topical application and hyphae body injection, and the host immune response was also monitored. Results showed when larvae were inoculated by conidial topical application, the pathogenicity of M. rileyi varied greatly depending on the larval instar and conidia concentration, and LC50 values ranged from 6.24 × 106 to 6.06 × 109 conidia/ml while LT50 values fluctuated from 4.35 to 9.43 d. However, in vivo study showed when hyphal bodies (Hbs) of M. rileyi were injected into host hemocoel, they would not be recognized by the host’s immune system as invaders. There were no significant differences in the hemocytes and phenoloxidase activity between the infected and control larvae at the initial 44 h, indicated that the fungus was able to successfully avoid the attack from the cellular and humoral immune systems, therefore, it could multiply freely in the hemocoel. The in vivo development time of M. rileyi tended to remain constant for 2–3 d regardless of the initial inoculated numbers. Considering no detectable defense response was observed during in vivo development, it can be concluded that host nonself-recognition system does not respond to the hemolymph borne-Hbs.
Dynamics of Insecticide Resistance in Different Geographical Populations of Chilo suppressalis (Lepidoptera: Crambidae) in China 2016–2018
Authors: Mao Kaikai , Li Wenhao , Liao Xun , Liu Chaoya , Qin Yao , Ren Zhijie , Qin Xueying , Wan Hu , Sheng Feng , Li Jianhong 
Published: April 2019

AbstractIn this study, the sensitivity of 20 field populations of Chilo suppressalis (Walker) from five provinces in China to seven insecticides was evaluated during 2016–2018. The results indicated that 20 field populations of C. suppressalis had evolved moderate to high levels of resistance to triazophos (RR 64.5–461.3) and chlorpyrifos (RR 10.1–125.0). Furthermore, C. suppressalis exhibited low to moderate levels of resistance to abamectin (RR 6.5–76.5) and decreased susceptibility to cyantraniliprole (RR 1.0–34.0). The population collected from Nanchang in Jiangxi Province (JXNC) showed high resistance to chlorantraniliprole (RR 148.3–294.3), and other geographical populations remained susceptible to moderate levels of resistance (RR 1.0–37.5). In contrast, C. suppressalis remained susceptible to low levels of resistance to spinetoram (RR 1.0–6.7) and spinosad (RR 1.0–4.6). Significant correlations were found between the Log LC50 values of chlorantraniliprole and cyantraniliprole, chlorpyrifos and triazophos, as well as cyantraniliprole and chlorpyrifos and triazophos. Similarly, significant correlations were found among abamectin, chlorpyrifos, and triazophos. In addition, a significant correlation was also observed between the activity of the detoxification enzymes and the log LC50 values of chlorantraniliprole, cyantraniliprole, abamectin, chlorpyrifos, and triazophos. The findings provide an important reference for implementing effective resistance management strategies and the development of new insecticides in insect pest control.
Biological Control of Spotted-Wing Drosophila (Diptera: Drosophilidae)—Current and Pending Tactics
Authors: Lee Jana C , Wang Xingeng , Daane Kent M , Hoelmer Kim A , Isaacs Rufus , Sial Ashfaq A , Walton Vaughn M 
Published: April 2019

Abstract
Spotted-wing drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is originally from Asia, and in the last decade it has become a global economic pest of small fruits and cherries. Growers have expressed strong interest in biological control and other sustainable tactics to reduce reliance on insecticides. Biological control of spotted-wing drosophila has been studied intensively, with over 75 research publications. Here, we are reporting current information on predators, parasitoids, pathogens (fungi, nematodes, bacteria, endosymbiotic bacteria, and viruses), and competitors of spotted-wing drosophila. When relevant for the natural enemy group, the discussion focuses on the impact each natural enemy has been observed to have in the field, how to optimize control, the efficacy of commercial products available, and options that may be available in the near future. Studies are summarized in tables that can be sorted by species, spotted-wing drosophila life stage targeted, outcomes, lab/field trials, and studies that examined residual activity, dose-dependent responses, or other effects.
Mesenchymal–epithelial transition gene amplification and protein overexpression in stage IV pulmonary adenocarcinoma
Authors: Ando Ryota , Fujino Masahiko , Kominami-Kiriyama Ayami , Ito Ai , Koide Tomomi , Ito Masafumi 
Published: April 2019

Abstract

Background
In non-small cell lung cancer (NSCLC), MET gene copy number gain, including gene amplification and chromosome 7 polysomy, is reportedly associated with patient prognosis. Although relationship between MET copy number gain and poor prognosis has been suggested in surgically resected non-small cell lung cancer, the clinical significance of MET copy number gain and protein overexpression in patients with advanced unresectable tumor is unclear.

Methods
We assessed MET copy number gain and protein expression using fluorescence in situ hybridization and immunohistochemistry in 88 patients with clinical stage IV pulmonary adenocarcinoma receiving chemotherapy, immunotherapy or palliative care.

Results
We found MET amplification, polysomy 7 and high MET protein expression in 10.2, 18.2 and 62.5% of 88 cases, respectively. Gene amplification and high protein expression were not significantly associated. A univariate analysis showed that MET amplification-positive patients had increased overall survival (HR 0.335, 95% CI: 0.119–0.945; P = 0.0388). Although it was not statistically significant in the multivariate analysis of the whole cohort, with the removal of patients who did not receive any treatment other than palliative care, MET amplification independently improved the overall survival (HR 0.178, 95% CI: 0.041–0.770; P = 0.0209). Chromosome 7 polysomy and high MET protein expression did not affect the overall survival.

Conclusions
Although MET amplification-positive tumor is considered aggressive, our results suggest that it has a more favorable prognosis than amplification-negative cases in stage IV pulmonary adenocarcinoma with medical treatment.
Reflecting on ‘Hannah’s Choice’: Using the Ethics of Care to Justify Child Participation in End of Life Decision-Making
Authors: Moreton Kirsty L 
Published: April 2019

Abstract
It has been ten years since the case of Hannah Jones—the 12-year-old girl who was permitted to refuse a potentially life-saving heart transplant. In the past decade, there has been some progress within law and policy in respect of children’s participatory rights (UNCRC—Article 12), and a greater understanding of family-centred decision-making. However, the courts still largely maintain their traditional reluctance to find children Gillick competent to refuse medical treatment. In this article, I revisit Hannah’s case through the narrative account provided by Hannah and her mother, to ascertain what lessons can be learnt. I use an Ethics of Care framework specially developed for children in mid-childhood, such as Hannah, to argue for more a creative and holistic approach to child decision-making in healthcare. I conclude that using traditional paradigms is untenable in the context of palliative care and at the end of life, and that the law should be able to accommodate greater, and even determinative, participation of children who are facing their own deaths.
Checkpoint inhibitor failure in hypermutated and mismatch repair-mutated recurrent high-grade gliomas
Authors: Ahmad Haroon , Fadul Camilo E , Schiff David , Purow Benjamin 
Published: April 2019

Abstract

Background
Recurrent high-grade gliomas in adults remain a deadly cancer with median survival of less than 1 year. In the absence of effective agents, immunotherapy with checkpoint inhibitors has been adopted as a potentially beneficial next step for recurrences with hypermutated or mismatch repair-mutated phenotypes. The rationale for their use, however, is based on case reports and studies with other types of cancer.

Methods
We reviewed 4 cases of hypermutated or mismatch repair-mutated recurrent high-grade gliomas treated with checkpoint inhibitors.

Results
All cases had recurrent high-grade glioma that harbored either a hypermutated phenotype and/or a mismatch repair mutation. Treatment with checkpoint inhibitor therapy resulted in no significant response.

Conclusions
In our experience, hypermutated or mismatch repair-mutated high-grade gliomas in adults do not respond to checkpoint inhibitors alone. This lack of efficacy is in agreement with underwhelming results of clinical trials examining checkpoint inhibitors in high-grade gliomas. The case reports of responders have been in pediatric patients with glioma and are likely a different subtype altogether.
The relationship between citations, downloads and alternative metrics in rheumatology publications: a bibliometric study
Authors: Chen Winnie M Y , Bukhari Marwan , Cockshull Francesca , Galloway James 
Published: April 2019

Abstract

Objective
Scientific journals and authors are frequently judged on ‘impact’. Commonly used traditional metrics are the Impact Factor and H-index. However, both take several years to formulate and have many limitations. Recently, Altmetric—a metric that measures impact in a non-traditional way—has gained popularity. This project aims to describe the relationships between subject matter, citations, downloads and Altmetric within rheumatology.

Methods
Data from publications in Rheumatology were used. Articles published from 2010 to 2015 were reviewed. Data were analysed using Stata 14.2 (StataCorp, College Station, TX, USA). Correlation between citations, downloads and Altmetric were quantified using linear regression, comparing across disease topics. Relationship between downloads and months since publications were described using negative binomial regression, clustering on individual articles.

Results
A total of 1460 Basic Science and Clinical Science articles were identified, with the number of citations, downloads and Altmetric scores. There were no correlations between disease topic and downloads (R2 = 0.016, P = 0.03), citations (R2 = 0.011, P = 0.29) or Altmetric (R2 = 0.025, P = 0.02). A statistically significant positive association was seen between the number of citations and downloads (R2 = 0.29, P &lt; 0.001). No correlations were seen between Altmetric and downloads (R2 = 0.028, P &lt; 0.001) or citations (R2 = 0.004, P = 0.445).

Conclusion
Disease area did not correlate with any of the metrics compared. Correlations were apparent with clear links between downloads and citations. Altmetric identified different articles as high impact compared with citation or download metrics. In conclusion: tweeting about your research does not appear to influence citations.
Translation and Transforming Activity of a Circular RNA from Human Papillomavirus
Authors: Zhao Jiawei , Lee Eunice E. , Kim Jiwoong , Chamseddin Bahir , Yang Rong , Xie Yang , Zhan Xiaowei , Wang Richard C. 
Published: April 2019

AbstractBioinformatics and in vitro studies have revealed that single-stranded circular RNAs (circRNAs), generated through ‘backsplicing,’ occur more extensively than initially appreciated. While the functions of most circRNAs are unknown, binding of microRNAs (miRNA), regulation of splicing and transcription, and translation into proteins have all been demonstrated for specific circRNAs. Virally-derived circRNAs have recently been described in gamma-herpesviruses. Here, we report that oncogenic human papillomaviruses (HPV) generate circRNAs, including ones which encompass the entire coding region of the E7 oncogene (circE7). HPV16 circE7 can be detected by both inverse RT-PCR and Northern blots of HPV16-transformed cell lines. CircE7 is N6-methyladenosine (m6A) modified, preferentially localized to the cytoplasm, and can be translated to produce E7 oncoprotein. Specific disruption of circE7 in CaSki cervical carcinoma cells decreased E7 protein levels, inhibited cell proliferation, and inhibited the ability of the cells to form colonies in soft agar. Analysis of TCGA RNA-seq data demonstrates that HPV-positive cancers have abundant circE7 RNAs. These results provide evidence that virally-derived, protein-encoding circular RNAs have biologically important functions with relevance to the transforming properties of HPV.
Cancer cells resist mechanical destruction in the circulation via RhoA-myosin II axis
Authors: Moose Devon L. , Krog Benjamin L. , Zhao Lei , Kim Tae-Hyung , Williams-Perez Sophia , Burke Gretchen , Rhodes Lillian , Vanneste Marion , Breheny Patrick , Milhem Mohammed , Stipp Christopher S. , Rowat Amy C. , Henry Michael D. 
Published: April 2019

ABSTRACTDuring metastasis cancer cells are exposed to potentially destructive hemodynamic forces including fluid shear stress (FSS) whileen routeto distant sites. However, prior work indicates that cancer cells are more resistant to brief pulses of high-level fluid shear stress (FSS)in vitrorelative to non-transformed epithelial cells. Herein we identify a mechanism of FSS resistance in cancer cells, and extend these findings to mouse models of circulating tumor cells (CTCs). We show that cancer cells acutely isolated from primary tumors are resistant to FSS. Our findings demonstrate that cancer cells activate the RhoA-myosin II axis in response to FSS, which protects them from FSS-induced plasma membrane damage. Moreover, we show that the myosin II activity is protective to CTCs in mouse models. Collectively our data indicate that viable CTCs actively resist destruction by hemodynamic forces and are likely to be more mechanically robust than is commonly thought.
Genomic and epigenomic mapping of leptin-responsive neuronal populations involved in body weight regulation
Authors: Inoue Fumitaka , Eckalbar Walter L. , Wang Yi , Murphy Karl K. , Matharu Navneet , Vaisse Christian , Ahituv Nadav 
Published: April 2019

AbstractGenome wide association studies (GWAS) in obesity have identified a large number of noncoding loci located near genes expressed in the central nervous system. However, due to the difficulties in isolating and characterizing specific neuronal subpopulations, few obesity-associated SNPs have been functionally characterized. Leptin responsive neurons in the hypothalamus are essential in controlling energy homeostasis and body weight. Here, we combine FACS-sorting of leptin-responsive hypothalamic neuron nuclei with genomic and epigenomic approaches (RNA-seq, ChIP-seq, ATAC-seq) to generate a comprehensive map of leptin-response specific regulatory elements, several of which overlap obesity-associated GWAS variants. We demonstrate the usefulness of our leptin-response neuron regulome, by functionally characterizing a novel enhancer near Socs3, a leptin response-associated transcription factor. We envision our data to serve as a useful resource and a blueprint for functionally characterizing obesity-associated SNPs in the hypothalamus.
The proton-sensing GPR4 receptor regulates paracellular gap formation and permeability of vascular endothelial cells
Authors: Krewson Elizabeth A. , Sanderlin Edward J. , Marie Mona A. , Velcicky Juraj , Loetscher Pius , Yang Li V. 
Published: April 2019

AbstractTissue acidosis can be a consequence of numerous disease states including stroke, myocardial infarction, limb ischemia, and inflammation. Blood vessels existing in the affected tissues are associated with the progression of acidosis-related diseases. However, the mechanisms by which endothelial cells (ECs) lining the affected blood vessels sense and respond to an acidic microenvironment remain largely unclear. We investigated the functional effects of the proton-sensing G protein-coupled receptor GPR4 in acidosis-induced endothelial inflammation. GPR4 is highly expressed in ECs and known to regulate EC inflammation and endoplasmic reticulum stress responses within acidic microenvironments. Using genetic and pharmacological approaches, we demonstrate that GPR4 activation by acidosis increases EC paracellular gap formation and permeability. We further demonstrate that GPR4-mediated paracellular gap formation is dependent on the Gα12/13signaling pathway. To assess the functional role of GPR4 in the inflammatory responsein vivo, we utilized an acute hindlimb ischemia-reperfusion mouse model. We demonstrate that both genetic deletion and pharmacological inhibition of GPR4 reduce tissue edema, exudate formation, endothelial adhesion molecule expression, and leukocyte infiltration in the inflamed tissue. Collectively, these data suggest GPR4/Gα12/13signaling mediates acidosis-induced endothelial paracellular gap formation and permeability. This study implicates GPR4 as a candidate therapeutic target for the remediation of inflammation and tissue edema.
Simulation-Based protein engineering of R. erythropolis NADH-FMN Oxidoreductase
Authors: Fallahzadeh Ramin , Bambai Bijan , Kamali Nasrin , Esfahani Kasra , Sepahi Abbas Akhavan 
Published: April 2019

AbstractThe sulfur contents of fossil fuels has negative impacts on the environment and human health. The bio-catalytic desulfurization strategies and the biological refinement of the fossil fuels are a cost-effective process compared to chemical desulfurization. Rhodococcus erythropolis IGTS8 is able to extract the organic sulfur of oil as mineral salts by 4S metabolic pathway (i.e. DszA,B,C and D genes). dszD gene codes a NADH:FMN oxidoreductase delivering reducing equivalent to DszA, DszB, and DszC to remove sulfur from heterocyclic molecules. In this study, we sought to improve DszD specificity by side-direct mutagenesis based on prediction of the DszD structure, molecular docking, and molecular dynamic simulation. Accordingly, the cloning, expression and activity assay of best candidates (A79I and A79N) were performed. Our results demonstrated the important role of position 79 in enzyme activity, the A79I and A79N mutants are able to increase the enzyme activity 3.4 and 5.2 fold compared to wild-type.
Is amphistomy an adaptation to high light? Optimality models of stomatal traits along light gradients
Authors: Muir Christopher D. 
Published: April 2019

AbstractStomata regulate the supply of CO2for photosynthesis and the rate of water loss out of the leaf. The presence of stomata on both leaf surfaces, termed amphistomy, increases photosynthetic rate, is common in plants from high light habitats, and rare otherwise. In this study I use optimality models based on leaf energy budget and photosynthetic models to ask why amphistomy is common in high light habitats. I developed an R packageleafoptimizerto solve for stomatal traits that optimally balance carbon gain with water loss in a given environment. The model predicts that amphistomy is common in high light because its marginal effect on carbon gain is greater than in the shade, but only if the costs of amphistomy are also lower under high light than in the shade. More generally, covariation between costs and benefits may explain why stomatal and other traits form discrete phenotypic clusters.
Quantitative measurements of chromatin modification dynamics during zygotic genome activation
Authors: Sato Yuko , Hilbert Lennart , Oda Haruka , Wan Yinan , Heddleston John M. , Chew Teng-Leong , Zaburdaev Vasily , Keller Philipp , Lionnet Timothee , Vastenhouw Nadine , Kimura Hiroshi 
Published: April 2019

AbstractHistone posttranslational modifications (PTMs) are key gene expression regulators, but their rapid dynamics during development remain difficult to capture. We describe an approach that images fluorescent antibody fragments to quantify PTM enrichment and active transcription at defined loci during zygotic genome activation in living zebrafish embryos. The technique reveals a drastic increase in histone H3 Lys27 acetylation (H3K27ac) before genome activation both at a specific locus and globally.
Microbiota differences of the comb jelly Mnemiopsis leidyi in native and invasive sub-populations
Authors: Jaspers Cornelia , Weiland-Bräuer Nancy , Fischer Martin , Künzel Sven , Schmitz Ruth A. , Reusch Thorsten B.H. 
Published: April 2019

ABSTRACTThe translocation of non-indigenous species around the world, especially in marine systems, is a matter of concern for biodiversity conservation and ecosystem functioning. While specific traits are often recognized to influence establishment success of non-indigenous species, the impact of the associated microbial community for the fitness, performance and invasion success of basal marine metazoans remains vastly unknown. In this study we compared the microbiota community composition of the invasive ctenophore Mnemiopsis leidyi in different native and invasive sub-populations along with characterization of the genetic structure of the host. By 16S rRNA gene amplicon sequencing we showed that the sister group to all metazoans, namely ctenophores, harbored a distinct microbiota on the animal host, which significantly differed across two major tissues, namely epidermis and gastrodermis. Additionally, we identified significant differences between native and invasive sub-populations of M. leidyi, which indicate, that the microbiota community is likely influenced by the genotypic background of the ctenophore. To test the hypothesis that the microbiota is genotypically selected for by the ctenophore host, experiments under controlled environments are required.
Differential Inhibition of E-S Potentiation and Long-term Potentiation by Cell-derived and Arctic Amyloid Beta
Authors: Orr Adrienne L. , Clark Jason K. , Madison Daniel V. 
Published: April 2019

AbstractSoluble oligomers of amyloid-beta peptide (Abeta) have been implicated in the onset of memory deficits in Alzheimer’s disease, perhaps due to their reported ability to impair long-term potentiation (LTP) of synaptic strength. We previously showed the effect of Abeta on LTP depends on the strength of LTP induction. Furthermore, Abeta affects EPSP-Spike (E-S) potentiation more robustly than LTP, suggesting that E-S potentiation may be equally important to learning and memory in the context of Alzheimer’s disease. Here we extend our findings to two additional forms of Abeta that form higher concentrations of soluble Abeta oligomers and show that they also affect E-S potentiation at induction strengths where there is no effect on LTP in hippocampal slices.