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https://www.readbyqxmd.com/read/28938749/the-testicular-transcriptome-associated-with-spermatogonia-differentiation-initiated-by-gonadotrophin-stimulation-in-the-juvenile-rhesus-monkey-macaca-mulatta
#1
Suresh Ramaswamy, William H Walker, Paula Aliberti, Rahil Sethi, Gary R Marshall, Alyxzandria Smith, Seyedmehdi Nourashrafeddin, Alicia Belgorosky, Uma R Chandran, Mark P Hedger, Tony M Plant
STUDY QUESTION: What is the genetic landscape within the testis of the juvenile rhesus monkey (Macaca mulatta) that underlies the decision of undifferentiated spermatogonia to commit to a pathway of differentiation when puberty is induced prematurely by exogenous LH and FSH stimulation? SUMMARY ANSWER: Forty-eight hours of gonadotrophin stimulation of the juvenile monkey testis resulted in the appearance of differentiating B spermatogonia and the emergence of 1362 up-regulated and 225 down-regulated testicular mRNAs encoding a complex network of proteins ranging from enzymes regulating Leydig cell steroidogenesis to membrane receptors, and from juxtacrine and paracrine factors to transcriptional factors governing spermatogonial stem cell fate...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938523/hypothermia-induced-by-anesthesia-regulates-various-signals-expressions-in-the-hippocampus-of-animals
#2
Huimei Hao, Shanshan Wang
Though important for a variety of medical procedures, general anesthesia is not a problem free. Some anesthetics have been suggested to affect a number of signals, which are associated with memory consolidation and cognition. In the present study, we attempted to investigate the molecular mechanism of anesthesia-regulated processes. We found that under hypothermic condition, anesthetic of isoflurane enhances various signals expression in hippocampus, including Hspd1, Actb, Mgst1, THBS4, Syp, C1QC, Serpine, Plat, and Ngf, which were related to cellular stress, neural plasticity responses, and hippocampal injury...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28937620/dysbindin-1-involvement-in-the-etiology-of-schizophrenia
#3
REVIEW
Haitao Wang, Jiangping Xu, Philip Lazarovici, Wenhua Zheng
Schizophrenia is a major psychiatric disorder that afflicts about 1% of the world's population, falling into the top 10 medical disorders causing disability. Existing therapeutic strategies have had limited success on cognitive impairment and long-term disability and are burdened by side effects. Although new antipsychotic medications have been launched in the past decades, there has been a general lack of significant innovation. This lack of significant progress in the pharmacotherapy of schizophrenia is a reflection of the complexity and heterogeneity of the disease...
September 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28936852/-analysis-of-varieties-and-standards-of-primulaceae-medicinal-plants-used-in-tibetan-medicine
#4
Chang-Hua Wang, Ben-Xia Yu, Hua-Rong Zhou, Xiang Liu, Zhi-Wei Zhang, Guo-Yue Zhong
In this paper, the varieties and origin of Primulaceae plants that used in Tibetan medicine were analyzed. The results showed that there were 3 genera and 44 species (including the varieties) of Primulaceae plants were recorded in the relevant literatures. Among them, 17 varieties were recorded in Tibetan names, 24 varieties were recorded in Chinese names and 1 variety was used in both of them. In current quality criteria of standards at all levels in China country, 6 varieties were recorded in Tibetan names and 6 original plants were involved, which were 35% and 14% of them respectively...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936819/-the-scope-quality-and-safety-requirements-of-drug-abuse-testing
#5
Tuncay Küme, Çiğdem Karakükcü, Aslı Pınar, Hakan Coşkunol
The aim of this review is to inform about the scopes and requirements of drug abuse testing. Drug abuse testing is one of the tools for determination of drug use. It must fulfill the quality and safety requirements in judgmental legal and administrative decisions. Drug abuse testing must fulfill some requirements like selection of the appropriate test matrix, appropriate screening test panel, sampling in detection window, patient consent, identification of the donor, appropriate collection site, sample collection with observation, identification and control of the sample, specimen custody chain in preanalytical phase; analysis in authorized laboratories, specimen validity tests, reliable testing METHODS, strict quality control, two-step analysis in analytical phase; storage of the split specimen, confirmation of the split specimen in the objection, result custody chain, appropriate cut-off concentration, the appropriate interpretation of the result in postanalytical phase...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28935617/the-adverse-drug-reactions-from-patient-reports-in-social-media-project-five-major-challenges-to-overcome-to-operationalize-analysis-and-efficiently-support-pharmacovigilance-process
#6
Cedric Bousquet, Badisse Dahamna, Sylvie Guillemin-Lanne, Stefan J Darmoni, Carole Faviez, Charles Huot, Sandrine Katsahian, Vincent Leroux, Suzanne Pereira, Christophe Richard, Stéphane Schück, Julien Souvignet, Agnès Lillo-Le Louët, Nathalie Texier
BACKGROUND: Adverse drug reactions (ADRs) are an important cause of morbidity and mortality. Classical Pharmacovigilance process is limited by underreporting which justifies the current interest in new knowledge sources such as social media. The Adverse Drug Reactions from Patient Reports in Social Media (ADR-PRISM) project aims to extract ADRs reported by patients in these media. We identified 5 major challenges to overcome to operationalize the analysis of patient posts: (1) variable quality of information on social media, (2) guarantee of data privacy, (3) response to pharmacovigilance expert expectations, (4) identification of relevant information within Web pages, and (5) robust and evolutive architecture...
September 21, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28935523/an-outbreak-of-burkholderia-cepacia-pseudobacteraemia-caused-by-intrinsically-contaminated-commercial-0-5-chlorhexidine-solution-in-neonatal-intensive-care-units
#7
Je Eun Song, Yee Gyung Kwak, Tae Hyun Um, Chong Rae Cho, Sollip Kim, In Sook Park, Jong Hee Hwang, Namhee Kim, Gang-Bok Oh
BACKGROUND: Burkholderia cepacia is intrinsically resistant to certain antiseptics. We experienced a sudden increase in the frequency of isolation of B. cepacia from blood cultures in a neonatal intensive care unit (NICU) of a university-affiliated hospital. AIM: An investigation was conducted to identify the source and to intervene in the ongoing infections. METHODS: The cases were defined as patients with positive blood cultures for B. cepacia in a NICU between November 2014 and January 2015...
September 18, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28934562/the-enduring-legacy-of-250-years-of-pharmacology-in-edinburgh
#8
John S Kelly, Angus V P Mackay
Two hundred fifty years ago, the University of Edinburgh appointed Francis Home to the first chair of materia medica, the accumulated knowledge of materials used in healing. Francis Home and his colleagues were determined to improve the quality of medical training in Edinburgh by introducing a final examination and compiling a catalog of medicines validated by the Royal College of Physicians of Edinburgh. The catalog, known as the Edinburgh Pharmacopoeia, was a great success, partly due to the orderly nature of its contents, its routine editing to eliminate worthless entries, and the introduction of new treatments whose preparation was precisely documented...
September 13, 2017: Annual Review of Pharmacology and Toxicology
https://www.readbyqxmd.com/read/28934536/glomus-tumor-of-the-sciatic-nerve-an-extraspinal-cause-of-sciatica
#9
Basilia Onyinyechukwu Nwankwo, Robert M Henshaw, Dhruv Kumar
Glomus tumors are small, benign tumors that arise from glomus bodies, structures found normally within the dermis that assist in temperature regulation via their vasoconstrictive response to sympathetic stimuli. Glomus tumors are found typically in the hand and are classically a cause of focal pain and temperature sensitivity. They often present as a small blue lesion seen under the nail bed of a finger or a toe and cause point tenderness. Glomus tumors of peripheral nerves are exceedingly rare and can lead to disability akin to compressive neuropathy when present...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28933263/anticancer-properties-of-a-new-hybrid-analog-ad-013-combining-a-coumarin-scaffold-with-an-%C3%AE-methylene-%C3%AE-lactone-motif
#10
Angelika Długosz, Katarzyna Gach-Janczak, Jacek Szymański, Dariusz Deredas, Henryk Krawczyk, Tomasz Janecki, Anna Janecka
Background Coumarin is a natural phytochemical but as such has no medical uses. However, various natural and synthetic coumarin analogs attract attention due to their interesting biological properties. </P><P> Objective Here, we evaluated and compared anticancer properties of a new synthetic hybrid compound AD-013, which integrates a coumarin moiety and an α-methylene-δ-lactone motif, with novobiocin, a natural antibiotic bearing a coumarin scaffold. </P><P> Method Cytotoxic activities of compound AD-013 and novobiocin were assessed by the MTT assay...
September 21, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28932389/challenges-facing-the-veterinary-profession-in-ireland-2-on-farm-use-of-veterinary-antimicrobials
#11
Manuel Magalhães-Sant'Ana, Simon J More, David B Morton, Alison J Hanlon
BACKGROUND: Antimicrobial resistance has emerged in recent years as a significant public health threat, which requires both an ethical and a scientific approach. In a recent Policy Delphi study, on-farm use of antimicrobials was a key concern identified by veterinary professionals in Ireland. In this case study (the second in a series of three resulting from a research workshop exploring the challenges facing the veterinary profession in Ireland; the other two case studies investigate clinical veterinary services and emergency/casualty slaughter certification) we aim to provide a value-based reflection on the constraints and possible opportunities for responsible use of veterinary antimicrobials in Ireland...
2017: Irish Veterinary Journal
https://www.readbyqxmd.com/read/28931725/yap-taz-mediated-activation-of-serine-metabolism-and-histone-methylation-is-critical-for-lkb1-deficient-breast-cancer-progression
#12
Qi Wu, Juanjuan Li, Si Sun, Xinyue Chen, Hanpu Zhang, Bei Li, Shengrong Sun
The crucial interplay between metabolic remodeling and the epigenetics could contribute to promote cancer progression. A remarkable association within interaction, LKB1 has been reported, suggesting that the expression of key enzymes involving de novo serine synthesis and DNA methyltransferases like DNMT1 and DNMT3A increase LKB1-deficiency cells. However, the complex interactional link between metabolic remodeling and the epigenetics is still unclear. Hence, we focus on the relationship between YAP/TAZ and serine metabolism to control methylation of DNA or histone in breast cancer with LKB1-deficiency...
September 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28930707/re-evaluating-the-ethics-of-uterine-transplantation
#13
Danish Zaidi
In February 2016, the Cleveland Clinic initiated the first attempt at cadaveric uterine transplantation (UTx) in the United States. The transplantation was ultimately unsuccessful, but it opened doors for further research on both live and cadaveric UTx. While initial strides toward successful transplantation have been made, questions persist on the ethics of UTx: whether the uterus is a vital organ, whether we should prioritize live or cadaveric options, and how the procedure should be covered by health insurance...
2017: Journal of Clinical Ethics
https://www.readbyqxmd.com/read/28930621/the-incidence-of-menstrual-regulation-procedures-and-abortion-in-bangladesh-2014
#14
Susheela Singh, Altaf Hossain, Isaac Maddow-Zimet, Michael Vlassoff, Hadayeat Ullah Bhuiyan, Meghan Ingerick
CONTEXT: Menstrual regulation (MR) has been part of the Bangladesh family planning program since 1979. However, clandestine abortion remains a serious health problem in Bangladesh, and anecdotal reports indicate that clandestine use of misoprostol has increased since the most recent estimates (for 2010). Because of this, it is important to assess changes in the use of MR services and the incidence of clandestine abortion since 2010. METHODS: A survey of a nationally representative sample of 829 health facilities that provide MR or postabortion care services and a survey of 322 professionals knowledgeable about these services were conducted in 2014...
March 21, 2017: International Perspectives on Sexual and Reproductive Health
https://www.readbyqxmd.com/read/28929711/-statistics-at-the-time-of-the-crisis
#15
Andrea Saltelli, Philip B Stark
Science lies nowadays in the centre of several storms. The better known is the finding of non-reproducibility of many scientific results, which stretches from the medical field (clinic and pre-clinic tests) to study on behaviour (priming research). Although the bad use of statistics is reported to be a patent cause of the reproducibility crisis, its deep reasons are to be sought elsewhere; particularly, in the passage from a regimen of little science - regulated by small communities of researchers - to the current big science - identified by a hypertrophic production of millions of research papers and by the imperative "publish or perish", in a setting dominated by market...
May 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28929127/risk-of-fungi-associated-with-aflatoxin-and-fumonisin-in-medicinal-herbal-products-in-the-kenyan-market
#16
Lucia Keter, Richard Too, Nicholas Mwikwabe, Charles Mutai, Jennifer Orwa, Lizzy Mwamburi, Stanley Ndwigah, Christine Bii, Richard Korir
Utilization of herbal products is a major concern due to the possibility of contamination by toxigenic fungi that are mycotoxin producers such as Aspergillus species during processing and packaging. Research was carried out to determine the presence of aflatoxins and fumonisins in herbal medicinal products sold in Eldoret and Mombasa towns in Kenya. The study employed both exploratory and laboratory experimental design. The herbal products were purchased from the market and transported to Kenya Medical Research Institute for processing and analysis...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28929045/compensation-to-clinical-trial-participants-in-india-a-gap-analysis
#17
REVIEW
Mohd Urooj, Gulam Mohammed Husain, Mohammad Ahmed Khan, Munawwar Husain Kazmi
The recent amendments notified by the Government of India, for conducting clinical trial, is greatly appreciable as promoting safety and well-being of human subjects. These rules clearly state that medical management of injuries in clinical trials is mandatory, and clinical trial-related injury or death needs to be compensated over and above the medical management. These rules need to be reconsidered for simplification and better understanding of issues regarding compensation. There is a need of clarity at some points which should be discussed with all stakeholders for better understanding of current regulations...
April 2017: International Journal of Pharmaceutical Investigation
https://www.readbyqxmd.com/read/28928791/wu-mei-wan-reduces-insulin-resistance-via-inhibition-of-nlrp3-inflammasome-activation-in-hepg2-cells
#18
Xueping Yang, Lingli Li, Ke Fang, Ruolan Dong, Jingbin Li, Yan Zhao, Hui Dong, Ping Yi, Zhaoyi Huang, Guang Chen, Fuer Lu
Wu-Mei-Wan (WMW) is a Chinese herbal formula used to treat type 2 diabetes. In this study, we aimed to explore the effects and mechanisms of WMW on insulin resistance in HepG2 cells. HepG2 cells were pretreated with palmitate (0.25 mM) to impair the insulin signaling pathway. Then, they were treated with different doses of WMW-containing medicated serum and stimulated with 100 nM insulin. Results showed that palmitate could reduce the glucose consumption rate in HepG2 cells and impair insulin signaling related to phosphorylation of insulin receptor (IR) and insulin receptor substrate-1 (IRS-1), thereby regulating the downstream signaling pathways...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28927898/developmental-toxicity-assessment-of-common-excipients-using-a-stem-cell-based-in%C3%A2-vitro-morphogenesis-model
#19
Chloe J Yuan, Yusuke Marikawa
Various chemical compounds can inflict developmental toxicity when sufficiently high concentrations are exposed to embryos at the critical stages of development. Excipients, such as coloring agents and preservatives, are pharmacologically inactive ingredients that are included in various medications, foods, and cosmetics. However, concentrations that may adversely affect embryo development are largely unknown for most excipients. Here, the lowest observed adverse effect level (LOAEL) to inflict developmental toxicity was assessed for three coloring agents (allura red, brilliant blue, and tartrazine) and three preservatives (butylated hydroxyanisole, metabisulfite, and methylparaben)...
September 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28926159/randomized-controlled-feasibility-trial-of-intranasal-ketamine-compared-to-intranasal-fentanyl-for-analgesia-in-children-with-suspected-extremity-fractures
#20
Stacy L Reynolds, Kathleen K Bryant, Jonathan R Studnek, Melanie Hogg, Connell Dunn, Megan A Templin, Charity G Moore, James R Young, Katherine Rivera Walker, Michael S Runyon
OBJECTIVE: We compared the tolerability and efficacy of intranasal sub-dissociative ketamine to intranasal fentanyl for analgesia of children with acute traumatic pain and investigated the feasibility of a larger non-inferiority trial that could investigate the potential opioid sparing effects of intranasal ketamine. METHODS: This randomized controlled trial compared intranasal ketamine 1 mg/kg to intranasal fentanyl 1.5 μg/kg in children 4-17 years old with acute pain from suspected, isolated extremity fractures presenting to an urban level II pediatric trauma center from December 2015 to November 2016...
September 19, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
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