Miracle-dz/UniFAR-FTUs huggingface dataset:
Information theoretic model validation for clustering

Model selection in clustering requires (i) to specify a suitable clustering principle and (ii) to control the model order complexity by choosing an appropriate number of clusters depending on the noise level in the data. We advocate an information theoretic perspective where the uncertainty in the measurements quantizes the set of data partitionings and, thereby, induces uncertainty in the solution space of clusterings. A clustering model, which can tolerate a higher level of fluctuations in the measurements than alternative models, is considered to be superior provided that the clustering solution is equally informative. This tradeoff between informativeness and robustness is used as a model selection criterion. The requirement that data partitionings should generalize from one data set to an equally probable second data set gives rise to a new notion of structure induced information.
Brain morphology and schizophrenia. A magnetic resonance imaging study of limbic, prefrontal cortex, and caudate structures.

We used magnetic resonance imaging to examine the morphologic characteristics of the amygdala/hippocampus, prefrontal cortex, and caudate nucleus in 29 healthy volunteers matched for age, gender, and head of household socioeconomic status and 44 patients with chronic schizophrenia. Total volumes of these structures were determined from 3-mm contiguous coronal sections. Schizophrenic patients, compared with healthy controls, had significantly smaller right and left amygdala/hippocampal complex volumes, smaller right and left prefrontal volumes, and larger left caudate volumes. A secondary analysis revealed reductions in the right and left amygdala and the left hippocampus. In addition, prefrontal white matter, but not gray matter, was reduced in the schizophrenic patients. Moreover, the right white matter volume in schizophrenic patients was significantly related to right amygdala/hippocampal volume (r = .39), data that provide preliminary support for a hypothesis of abnormal limbic-cortical connection in schizophrenia. We studied the implications of these data for the pathophysiology of schizophrenia.
Defining and continuous checking of structural program dependencies

Dependencies between program elements need to be modeled from different perspectives reflecting architectural, design, and implementation level decisions. To avoid erosion of the intended structure of the code, it is necessary to explicitly codify these different perspectives on the permitted dependencies and to detect violations continuously and incrementally as software evolves. We propose an approach that uses declarative queries to group source elements - across programming language module boundaries - into overlapping ensembles. The dependencies between these ensembles are also specified as logic queries. The approach has been integrated into the incremental build process of Eclipse to ensure continuous checking, using an engine for tabled and incremental evaluation of logic queries. Our evaluation shows that our approach is fast enough for day-to-day use along the incremental build process of modern IDEs.
Niacin as a drug repositioning candidate for hyperphosphatemia management in dialysis patients

Nearly all patients with end-stage renal disease develop hyperphosphatemia. These patients typically require oral phosphate binders for life-long phosphorus management, in addition to dietary restrictions and maintenance dialysis. Recently, niacin, a traditional antilipemic agent, drew attention as an experimental treatment for hyperphosphatemia. The purpose of this article was to report on new findings regarding niacin’s novel effects and to review the possibility of repurposing niacin for hyperphosphatemia treatment in dialysis patients by elucidating its safety and efficacy profiles along with its synergistic clinical benefits. Following approval from the Institutional Review Board, we tracked the yearly trends of order frequency of niacin in comparison with statins and sevelamer in a tertiary care hospital. Also, a Cochrane Library and PubMed literature search was performed to capture prospective clinical trials on niacin’s hypophosphatemic effects in dialysis patients. Niacin use in clinical settings has been on the wane, and the major contribution to that originates from the wide use of statins. Niacin use rates have further plummeted following a trial failure which prompted the suspension of the niacin-laropiprant (a flushing blocker) combination product in the global market. Our literature search identified ten relevant articles. Overall, all studies demonstrated that niacin or nicotinamide (the metabolite form) reduced serum phosphorus levels as well as Ca-P products significantly. Additive beneficial effects on lipid parameters were also observed. Sevelamer appeared superior to niacin in a comparative study, but the study design had several limitations. The intervention dosage for niacin ranged from 375 to 1,500 mg/day, with the average daily dose of approximately 1,000–1,500 mg. Niacin can be a patient-convenient and inexpensive alternative or adjunctive therapy for phosphorus management in dialysis patients. Further well-designed, large-scale, long-term, comparative trials are needed to successfully repurpose niacin for the new indication.
Estimation of blood cellular heterogeneity in newborns and children for epigenome‐wide association studies

Confounding by cellular heterogeneity has become a major concern for epigenome‐wide association studies (EWAS) in peripheral blood samples from population and clinical studies. Adjusting for white blood cell percentage estimates produced by the minfi implementation of the Houseman algorithm (minfi) during statistical analysis is now an established method to account for this bias in adults. However, minfi has not been benchmarked against white blood cell counts in children that may differ substantially from the reference dataset used in its estimation. We compared estimates of white blood cell type percentages produced by two methods, minfi and differential cell count (DCC), in a birth cohort at two time points (birth and 12 years of age). We found that both minfi and DCC had similar trends as children aged, and neither count method differed by sex among newborns (P > 0.10). However, minfi estimates did not correlate well with DCC in samples from newborns (ρ = −0.05 for granulocytes; ρ = −0.03 for lymphocytes). In older children, correlation improved substantially (ρ = 0.77 for granulocytes; ρ = 0.75 for lymphocytes), likely due to increasing similarity with minfi's adult reference data as children aged. Our findings suggest that the minfi method may provide suitable estimates of white blood cell composition for samples from adults and older children, but may not currently be appropriate for EWAS involving newborns or young children. Environ. Mol. Mutagen. 56:751–758, 2015. © 2015 Wiley Periodicals, Inc.
Phase III randomized trial of Calendula officinalis compared with trolamine for the prevention of acute dermatitis during irradiation for breast cancer.

PURPOSE The effectiveness of nonsteroid topical agents for the prevention of acute dermatitis during adjuvant radiotherapy for breast carcinoma has not been demonstrated. The goal of this study was to compare the effectiveness of calendula (Pommade au Calendula par Digestion; Boiron Ltd, Levallois-Perret, France) with that of trolamine (Biafine; Genmedix Ltd, France), which is considered in many institutions to be the reference topical agent. PATIENTS AND METHODS Between July 1999 and June 2001, 254 patients who had been operated on for breast cancer and who were to receive postoperative radiation therapy were randomly allocated to application of either trolamine (128 patients) or calendula (126 patients) on the irradiated fields after each session. The primary end point was the occurrence of acute dermatitis of grade 2 or higher. Prognostic factors, including treatment modalities and patient characteristics, were also investigated. Secondary end points were the occurrence of pain, the quantity of topical agent used, and patient satisfaction. RESULTS The occurrence of acute dermatitis of grade 2 or higher was significantly lower (41% v 63%; P <.001) with the use of calendula than with trolamine. Moreover, patients receiving calendula had less frequent interruption of radiotherapy and significantly reduced radiation-induced pain. Calendula was considered to be more difficult to apply, but self-assessed satisfaction was greater. Body mass index and adjuvant chemotherapy before radiotherapy after lumpectomy were significant prognostic factors for acute dermatitis. CONCLUSION Calendula is highly effective for the prevention of acute dermatitis of grade 2 or higher and should be proposed for patients undergoing postoperative irradiation for breast cancer.
Histone Deacetylase 6 Regulates Bladder Architecture and Host Susceptibility to Uropathogenic Escherichia coli

Histone deacetylase 6 (HDAC6) is a non-canonical, mostly cytosolic histone deacetylase that has a variety of interacting partners and substrates. Previous work using cell-culture based assays coupled with pharmacological inhibitors and gene-silencing approaches indicated that HDAC6 promotes the actin- and microtubule-dependent invasion of host cells by uropathogenic Escherichia coli (UPEC). These facultative intracellular pathogens are the major cause of urinary tract infections. Here, we examined the involvement of HDAC6 in bladder colonization by UPEC using HDAC6 knockout mice. Though UPEC was unable to invade HDAC6−/− cells in culture, the bacteria had an enhanced ability to colonize the bladders of mice that lacked HDAC6. This effect was transient, and by six hours post-inoculation bacterial titers in the HDAC6−/− mice were reduced to levels seen in wild type control animals. Subsequent analyses revealed that the mutant mice had greater bladder volume capacity and fluid retention, along with much higher levels of acetylated α-tubulin. In addition, infiltrating neutrophils recovered from the HDAC6−/− bladder harbored significantly more viable bacteria than their wild type counterparts. Cumulatively, these changes may negate any inhibitory effects that the lack of HDAC6 has on UPEC entry into individual host cells, and suggest roles for HDAC6 in other urological disorders such as urinary retention.
Effects of Ration Size and Hypoxia on Specific Dynamic Action in the Cod

We present the first data on the effect of hypoxia on the specific dynamic action (SDA) in a teleost fish. Juvenile cod (Gadus morhua) were fed meals of 2.5% and 5% of their wet body mass (BM) in normoxia (19.8 kPa Po2) and 5% BM in hypoxia (6.3 kPa Po2). Reduced O2 availability depressed the postprandial peaks of oxygen consumption, and to compensate for this, the total SDA duration lasted \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wncyss} \renewcommand\encodingdefault{OT2} \normalfont \selectfont} \DeclareTextFontCommand{\textcyr}{\cyr} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} \landscape $$212.0\pm 20$$ \end{document} h in hypoxia, compared with \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wncyss} \renewcommand\encodingdefault{OT2} \normalfont \selectfont} \DeclareTextFontCommand{\textcyr}{\cyr} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} \landscape $$95.1\pm 25$$ \end{document} h in normoxia. The percentage of energy associated with the meal digestion and assimilation (SDA coefficient) was equivalent between the different feeding rations but higher for fish exposed to hypoxia. Comparing peak oxygen consumption during the SDA course with maximum metabolic rates showed that food rations of 2.5% and 5% BM reduced the scope for activity by 40% and 55%, while ingestion of 5% BM in hypoxia occupied 69% of the aerobic scope, leaving little energy for other activities.
Polymorphism of esterase isozyme zymograms of Meloidogyne populations detected by PhastSystem

Esterase isozyme patterns obtained with an automated electrophoretic apparatus have been used to detect phenotypic variability of forty-one Meloidogyne populations collected from countries throughout the world. Three previously undetected phenotypes have been found along with those commonly ascribed to the four most diffused species M. incognita, M. javanica, M. arenaria and M. hapta. Two of such undescribed phenotypes belonged to tropical populations. Nine different phenotypes could be distinguished thus indicating a high degree of polymorphism within the populations tested.
Pregnancy-related mortality surveillance--United States, 1987-1990.

PROBLEM/CONDITION The Healthy People 2000: National Health Promotion and Disease Prevention Objectives specifies goals of no more than 3.3 maternal deaths per 100,000 live births overall and no more than 5.0 maternal deaths per 100,000 live births among black women; as of 1990, these goals had not been met. In addition, race-specific differences between black women and white women persist in the risk for pregnancy-related death. REPORTING PERIOD COVERED This report summarizes surveillance data for pregnancy-related deaths in the United States for 1987-1990. DESCRIPTION OF SYSTEM The National Pregnancy Mortality Surveillance System was initiated in 1988 by CDC in collaboration with the CDC/American College of Obstetricians and Gynecologists Maternal Mortality Study Group. Health departments in the 50 states, the District of Columbia, and New York City provided CDC with copies of death certificates and available linked outcome records (i.e., birth certificates or fetal death records) of all identified pregnancy-related deaths. RESULTS During 1987-1990, 1,459 deaths were determined to be pregnancy-related. The overall pregnancy-related mortality ratio was 9.2 deaths per 100,000 live births. The pregnancy-related mortality ratio for black women was consistently higher than for white women for every risk factor examined by race. The disparity between pregnancy-related mortality ratios for black women and white women increased from 3.4 times greater in 1987 to 4.1 times greater in 1990. Older women, particularly women aged > or =35 years, were at increased risk for pregnancy-related death. The gestational age-adjusted risk for pregnancy-related death was 7.7 times higher for women who received no prenatal care than for women who received "adequate" prenatal care. The distribution of the causes of death differed depending on the pregnancy outcome; for women who died following a live birth (i.e., 55% of the deaths), the leading causes of death were pregnancy-induced hypertension complications, pulmonary embolism, and hemorrhage. INTERPRETATION Pregnancy-related mortality ratios for black women continued, as noted in previously published surveillance reports, to be three to four times higher than those for white women. The risk factors evaluated in this analysis confirmed the disparity in pregnancy-related mortality between white women and black women, but the reason(s) for this difference could not be determined from the available information. ACTIONS TAKEN Continued surveillance and additional studies should be conducted to assess the magnitude of pregnancy-related mortality, to identify those differences that contribute to the continuing race-specific disparity in pregnancy-related mortality, and to provide information that policy makers can use to develop effective strategies to prevent pregnancy-related mortality for all women.
Treatment of Childhood Vulvar Lichen Sclerosus with Potent Topical Corticosteroid

Abstract: Potent topical corticosteroid is recognized as the treatment of choice for vulvar lichen sclerosus in adults. A series of 11 children with vulvar lichen sclerosus were treated with the potent topical corticosteroid betamethasone dipropionate 0.05%, seven using an optimized vehicle preparation. There was an excellent response to therapy in all cases. No serious adverse effects or unwanted sequelae occurred. Eight of the 11 children experienced complete remission after 3 months of therapy. In these children no maintenance therapy has been necessary during follow‐up periods ranging from 3 to 18 months. Three children required maintenance therapy with a mild topical corticosteroid. We conclude that in children, as in adults, potent topical corticosteroid is a safe and effective treatment for vulvar lichen sclerosus.
Changes in pathological narcissism.

OBJECTIVE This study investigated types of change that occur over time in the psychopathology of narcissistic patients. METHOD Baseline scores on the Diagnostic Interview for Narcissism of 20 patients, clinically diagnosed as having narcissistic personality disorder, were contrasted with their scores 3 years later by means of t tests and chi-square statistics. The authors then compared these changes in narcissism with the patients' accounts of their life events during the interval between the two assessments. RESULTS A significant decrease in the overall level of pathological narcissism was found, particularly in the areas of interpersonal relations and reactiveness. At follow-up, 60% of the subjects had reached the cutoff score on the diagnostic interview that indicated significant improvement, and 40% remained unchanged, with a high level of pathological narcissism. A high baseline level of narcissism in interpersonal relations was associated with absence of change at follow-up. Examination of life events in the interval between assessments suggests that changes in pathological narcissism are related to three kinds of experiences: achievements, new durable relationships, and disillusionments. CONCLUSIONS The instability of narcissistic psychopathology found in this study raises questions about the construct validity of narcissistic personality disorder as a diagnostic category and about the core construct of pathological narcissism.
Journal of Internet Banking and Commerce the Impact of E-commerce Security, and National Environment on Consumer Adoption of Internet Banking in Malaysia and Singapore

Brief Biographic Description: Yahya Dauda recently completed his Masters in Philosophy from the Multimedia University of Malaysia (MMU). He is currently working as a research scholar with the organization. His research interest is Use of ICT for the Financial Service Sector. Abstract One of the haunting problems of Internet banking in Malaysia is the slow in acceptance of this innovative distribution channel for banking products and services. This paper addresses the perceived e-commerce security influence on adoption of Internet banking, and the role of national environmental factors such as attitude, subjective norms, and perceived behavioral control factors towards adoption, and compares these factors with Singapore Internet banking adoption. This study based on the information collected from sample of 310 respondents drawn from individual banking customer in Malaysia and Singapore. The regression analyses suggested that consumer perceived non-repudiation, trust relative advantage Internet experience and banking needs are the most important factors that affect adoption in Malaysia. While Internet experience and banking needs were found to significantly affect Internet banking adoption in Singapore.
Exo-endocytotic recycling of synaptic vesicles in developing processes of cultured hippocampal neurons

In mature neurons synaptic vesicles (SVs) undergo cycles of exo- endocytosis at synapses. It is currently unknown whether SV exocytosis and recycling occurs also in developing axons prior to synapse formation. To address this question, we have developed an immunocytochemical assay to reveal SV exo-endocytosis in hippocampal neurons developing in culture. In this assay antibodies directed against the lumenal domain of synaptotagmin I (Syt I), an intrinsic membrane protein of SVs, are used to reveal exposure of SV membranes at the cell surface. Addition of antibodies to the culture medium of living neurons for 1 hr at 37 degrees C resulted in their rapid and specific internalization by all neuronal processes and, particularly, by axons. Double immunofluorescence and electron microscopy immunocytochemistry indicated that the antibodies were retained within SVs in cell processes and underwent cycles of exo-endocytosis in parallel with SV membranes. In contrast, another endocytotic marker, wheat germ agglutinin, was rapidly cleared from the processes and transported to the cell body. Antibody-labeled SVs were still present in axons several days after antibody loading and became clustered at presynaptic sites in parallel with synaptogenesis. These results demonstrate that SVs undergo multiple cycles of exo-endocytosis in developing neuronal processes irrespective of the presence of synaptic contacts.
Fast deterministic computation of determinants of dense matrices

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Cerebral palsy, autism spectrum disorders, and developmental delay in children born after assisted conception: a systematic review and meta-analysis.

OBJECTIVE To assess the existing evidence of associations between assisted conception and cerebral palsy (CP), autism spectrum disorders (ASD), and developmental delay. DATA SOURCES Forty-one studies identified in a systematical PubMed and Excerpta Medica Database (EMBASE) search for articles published from January 1, 1996, to April 1, 2008. STUDY SELECTION Studies written in English comparing children born after assisted conception with children born after natural conception assessing CP, ASD, and developmental delay, based on original data with a follow-up of 1 year or more. Main Exposures In vitro fertilization (IVF) with or without intracytoplasmic sperm injection or ovulation induction with or without subsequent intrauterine insemination. MAIN OUTCOME MEASURES Cerebral palsy, ASD, and developmental delay. RESULTS Nine CP studies showed that children born after IVF had an increased risk of CP associated with preterm delivery. In our meta-analysis including 19 462 children exposed to IVF, we estimated a crude odds ratio of 2.18 (95% confidence interval, 1.71-2.77). Eight ASD studies and 30 studies on developmental delay showed inconsistent results. No studies assessed the risk of CP, ASD, or developmental delay in children born after ovulation induction exclusively. CONCLUSIONS Methodological problems were revealed in the identified studies, and the gaps in our knowledge about the long-term outcomes of children born after assisted conception are considerable, including a lack of information on the long-term consequences of ovulation induction. Possible associations with ASD and developmental delay need assessment in larger studies. Studies on assisted conception and CP from countries outside of Scandinavia are needed, including detailed information on time to pregnancy, underlying cause of infertility, and type of IVF treatment.