An article published in BMCBioInformatics presents RGT: a comprehensive and flexible Python package for analyzing genomic data for specific regulatory genomics problems.
Dendritic cell development. DC develop from multipotent progenitors , which commit into DC-restricted common dendritic cell progenitors . CDP differentiate into classical DC and plasmacytoid DC .Intersection test shows that the IRF8 binding sites in cDC and pDC are associated with the PU.1 binding sites in MPP, CDP, cDC, and pDC.Line plots showing genomic signals of different histone modifications on the PU.1/IRF8 peaks in cDC.
is a framework that uses open chromatin data to identify the active transcription factor binding sites . We originally developed this method for DNase-seq data [
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Teledentistry use during the COVID-19 pandemic: perceptions and practices of Ontario dentists - BMC Oral HealthBackground Teledentistry has demonstrated to expedite oral health consultations, diagnosis, and treatment planning while mitigating COVID-19 transmission risk in dental offices. However, the use of teledentistry by clinicians remains suboptimal. Therefore, this study aimed to determine the perceptions and practices of teledentistry among dentists during the COVID-19 pandemic in Ontario, Canada, and identify associated factors. Methods A cross-sectional study using an online 39 item survey was conducted among Ontario dentists in December 2021. The questionnaire inquired about socio-demographic attributes, as well as perceptions of teledentistry use during the pandemic, and its future application. Descriptive statistics including frequency distribution of categorical variables and univariate analysis of continuous variables were conducted. Chi-square test was used determine the associations between professionals’ attributes such as age, gender, years of practice, and location of practice, and respondents use of teledentistry. SPSS Version 28.0 was used for statistical analysis. Results Overall, 456 dentists completed the survey. The majority were general dentists (91%), worked in private practices (94%), were between 55 and 64 years old (33%), and had over 16 years of professional experience (72%). Approximately 49.3% reported using teledentistry; 13% started before the pandemic, and 36% during the pandemic. The most common reason for non-utilization was a lack of interest (54%). Respondents identified patient triage, consultation, and patient education as the three most important uses of teledentistry. Female dentists (p | 0.05), dentist working in private practice (p | 0.05), and those who worked in a single dental office (p | 0.05) adopted teledentistry more during the pandemic. Respondents who accessed more resources were more likely to report greater utilization of teledentistry, while those who reported being unconformable with teledentistry (p | 0.05) reported
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Anxiety, attitudes, and education about fertility among medical students in the United States - BMC Medical EducationBackground As delayed family building is common among physicians, the goal of this study was to evaluate childbearing plans, anxiety related to future fertility, and interest in fertility education among medical students. Methods Using convenience and snowball sampling methods, an electronic REDCap survey was distributed via social media and group messaging applications to medical students enrolled in medical schools across the United States. Answers were collected, and analysis of the descriptive statistics was performed. Results The survey was completed by 175 participants, 72% of which were female (assigned at birth). The mean (± SD) age of participants was 24.9 ± 1.9 years. Of all participants, 78.3% desire to have children and 65.1% of these individuals plan to delay childbearing. On average, the planned age of first pregnancy is 31.0 ± 2.3 years. “Lack of time” was the greatest influence on decision regarding timing of childbearing. Of all respondents, 58.9% reported at least some anxiety related to future fertility. When females and males were compared, significantly more females (73.8%) versus males (20.4%) reported worrying about future fertility (p | 0.001). Participants reported that greater knowledge about infertility and potential treatments would help ease fertility related anxiety, and 66.9% of respondents showed interest in learning about how things such as age and lifestyle can impact fertility, preferably through medical curricula, videos, and podcasts. Conclusion A majority of the medical students in this cohort intend to have children and most plan to delay childbearing. A large percentage of female medical students reported anxiety related to future fertility, but many students showed interest in receiving fertility education. This study highlights an opportunity for medical school educators to incorporate targeted fertility education into their curriculum with the intention of decreasing anxiety and improving future reproductive success.
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Problematic social media use and alcohol expectancies in early adolescents - BMC Public HealthBackground Alcohol expectancies are beliefs regarding positive (e.g., tension reduction) or negative (e.g., loss of motor coordination) effects of alcohol. Based on Social Learning Theory, social media can influence alcohol expectancies in adolescents. In particular, problematic social media use – which can reflect elements of addiction, including mood modification, tolerance, withdrawal, conflict, and relapse – could be linked to alcohol expectancies. We aimed to determine the associations between problematic social media use and alcohol expectancies in a national (U.S.) cohort of 10-14-year-old early adolescents. Methods We analyzed cross-sectional data from the Adolescent Brain Cognitive Development (ABCD) Study (N = 9,008) at the Year 2 assessment (2018–2020). Unadjusted and adjusted linear regression analyses were conducted to examine the associations between problematic social media use and alcohol expectancies (positive and negative), adjusting for race/ethnicity, sex, household income, parent education, sexual orientation, parental marital status, and study site. Furthermore, we computed marginal predicted probabilities to aid in interpreting findings. Results The sample was 48.7% female and racially and ethnically diverse (43.0% non-White), with a mean age of 12.02 ± 0.66 years old. In models adjusted for confounders including both time spent on social media and problematic social media use, time spent on social media was not associated with positive or negative alcohol expectancies, but higher problematic social media use score was associated with higher positive (B = 0.045, 95% confidence interval [CI] 0.020–0.069) and negative (B = 0.072, 95% CI 0.043–0.101) alcohol expectancies scores. Conclusion Problematic social media use was associated with both positive and negative alcohol expectancies in a demographically diverse national sample of early adolescents in the U.S. Given the small effect sizes of the current study, future studies should further exami
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Sheku Bayoh death inquiry told investigating officers considered terrorism linkDetective Chief Superintendent Pat Campbell said the idea was ‘quickly eliminated’ following background checks.
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Influence of poor sleep on cardiovascular disease-free life expectancy: a multi-resource-based population cohort study - BMC MedicineBackground The complexity of sleep hinders the formulation of sleep guidelines. Recent studies suggest that different unhealthy sleep characteristics jointly increase the risks for cardiovascular disease (CVD). This study aimed to estimate the differences in CVD-free life expectancy between people with different sleep profiles. Methods We included 308,683 middle-aged adults from the UK Biobank among whom 140,181 had primary care data linkage. We used an established composite sleep score comprising self-reported chronotype, duration, insomnia complaints, snoring, and daytime sleepiness to derive three sleep categories: poor, intermediate, and healthy. We also identified three clinical sleep disorders captured by primary care and inpatient records within 2 years before enrollment in the cohort: insomnia, sleep-related breathing disorders, and other sleep disorders. We estimated sex-specific CVD-free life expectancy with three-state Markov models conditioning on survival at age 40 across different sleep profiles and clinical disorders. Results We observed a gradual loss in CVD-free life expectancy toward poor sleep such as, compared with healthy sleepers, poor sleepers lost 1.80 [95% CI 0.96–2.75] and 2.31 [1.46–3.29] CVD-free years in females and males, respectively, while intermediate sleepers lost 0.48 [0.41–0.55] and 0.55 [0.49–0.61] years. Among men, those with clinical insomnia or sleep-related breathing disorders lost CVD-free life by 3.84 [0.61–8.59] or 6.73 [5.31–8.48] years, respectively. Among women, sleep-related breathing disorders or other sleep disorders were associated with 7.32 [5.33–10.34] or 1.43 [0.20–3.29] years lost, respectively. Conclusions Both self-reported and doctor-diagnosed poor sleep are negatively associated with CVD-free life, especially pronounced in participants with sleep-related breathing disorders.
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What is the effect of low Anti-Müllerian hormone on semen quality?A recent BMC Medicine study investigated the relationship between Vitamin D and serum Anti-Müllerian hormone (AMH) in infertile men. This study was based on secondary analysis of a randomized clinical trial, which assessed the effect of high-dose Vitamin D plus calcium and placebo on semen quality in Vitamin D deficient infertile men.
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