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Regulations in emergency medicine

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https://www.readbyqxmd.com/read/29331453/are-privacy-enhancing-technologies-for-genomic-data-ready-for-the-clinic-a-survey-of-medical-experts-of-the-swiss-hiv-cohort-study
#1
Jean-Louis Raisaro, Paul J McLaren, Jacques Fellay, Matthias Cavassini, Catherine Klersy, Jean-Pierre Hubaux
PURPOSE: Protecting patient privacy is a major obstacle for the implementation of genomic-based medicine. Emerging privacy-enhancing technologies can become key enablers for managing sensitive genetic data. We studied physicians' attitude toward this kind of technology in order to derive insights that might foster their future adoption for clinical care. METHODS: We conducted a questionnaire-based survey among 55 physicians of the Swiss HIV Cohort Study who tested the first implementation of a privacy-preserving model for delivering genomic test results...
January 10, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29317334/systematic-identification-of-rabbit-lncrnas-reveals-functional-roles-in-atherosclerosis
#2
Jia Li, Qianlan Yao, Fangyoumin Feng, Sheng He, Ping Lin, Liguang Yang, Chuhua Yang, Hong Li, Yixue Li
Long noncoding RNAs (lncRNAs) have been gradually emerging as important regulators in various biological processes and diseases, while the contributions of lncRNAs to atherosclerosis remain largely unknown. Our previous work has discovered atherosclerosis associated protein-coding genes by transcriptome sequencing of rabbit models. Here we investigated the roles of lncRNAs in atherosclerosis. We defined a stringent set of 3736 multi-exonic lncRNA transcripts in rabbits. All lncRNAs are firstly reported and 609 (16...
January 6, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29317228/functions-and-dysfunctions-of-ca2-calmodulin-dependent-protein-kinase-phosphatase-camkp-ppm1f-and-camkp-n-ppm1e
#3
REVIEW
Atsuhiko Ishida, Noriyuki Sueyoshi, Isamu Kameshita
Intracellular signal transduction is built on the basis of the subtle balance between phosphorylation and dephosphorylation. Ca2+/calmodulin-dependent protein kinase phosphatase (CaMKP/PPM1F/POPX2) and CaMKP-N (PPM1E/POPX1) are Ser/Thr phosphatases that belong to the PPM (protein phosphatase, Mg2+/Mn2+-dependent) family. The former was discovered in rat brain as a novel protein phosphatase regulating Ca2+/calmodulin-dependent protein kinases (CaMKs), whereas the latter was first identified in human cDNA databases using the rat CaMKP sequence...
January 6, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29304997/cellular-biomechanics-in-skeletal-muscle-regeneration
#4
Edward W Li, Olivia C McKee-Muir, Penney M Gilbert
Satellite cells, adult stem cells in skeletal muscle tissue, reside within a mechanically dynamic three-dimensional microenvironment. With each contraction-relaxation cycle, a satellite cell is expected to experience tensile, shear, and compressive stresses, and through cell-extracellular matrix interactions, also gauge the stiffness of the niche. Via mechanoreceptors, cells can sense these biophysical parameters of the niche, which serve to physically induce conformational changes that impact biomolecule activity, and thereby alter downstream signal transduction pathways and ultimately cell fate...
2018: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/29286412/basic-research-in-plasma-medicine-a-throughput-approach-from-liquids-to-cells
#5
Sander Bekeschus, Anke Schmidt, Felix Niessner, Torsten Gerling, Klaus-Dieter Weltmann, Kristian Wende
In plasma medicine, ionized gases with temperatures close to that of vertebrate systems are applied to cells and tissues. Cold plasmas generate reactive species known to redox regulate biological processes in health and disease. Pre-clinical and clinical evidence points to beneficial effects of plasma treatment in the healing of chronic ulcer of the skin. Other emerging topics, such as plasma cancer treatment, are receiving increasing attention. Plasma medical research requires interdisciplinary expertise in physics, chemistry, and biomedicine...
November 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29283563/spatial-position-regulates-power-of-tryptophan-discovery-of-major-groove-specific-nuclear-localizing-cell-penetrating-tetrapeptide
#6
Debmalya Bhunia, Prasenjit Mondal, Gaurav Das, Abhijit Saha, Pallabi Sengupta, Jagannath Jana, Saswat Mohapatra, Subhrangsu Chatterjee, Surajit Ghosh
Identification of key amino acids is required for development of efficient cell penetrating peptides (CPPs) and has tremendous implications in medicine. Extensive research work enlightened us about the importance of two amino acids, arginine and tryptophan in the cell penetration. Here, we present a top-down approach to show how spatial po-sitions of two tryptophans regulate the cellular entry and nuclear localization. This enables us to develop short nontoxic tetrapeptides with excellent potential of cell penetration and nuclear localization...
December 28, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29283219/role-of-the-nucleus-as-a-sensor-of-cell-environment-topography
#7
REVIEW
Karine Anselme, Nayana Tusamda Wakhloo, Pablo Rougerie, Laurent Pieuchot
The proper integration of biophysical cues from the cell vicinity is crucial for cells to maintain homeostasis, cooperate with other cells within the tissues, and properly fulfill their biological function. It is therefore crucial to fully understand how cells integrate these extracellular signals for tissue engineering and regenerative medicine. Topography has emerged as a prominent component of the cellular microenvironment that has pleiotropic effects on cell behavior. This progress report focuses on the recent advances in the understanding of the topography sensing mechanism with a special emphasis on the role of the nucleus...
December 28, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29277366/role-of-withania-somnifera-ashwagandha-in-the-management-of-male-infertility
#8
REVIEW
Pallav Sengupta, Ashok Agarwal, Maria Pogrebetskaya, Shubhadeep Roychoudhury, Damayanthi Durairajanayagam, Ralf Henkel
To manage male infertility caused by hormonal imbalance, infections and other predicaments, multifarious treatment strategies are emerging worldwide. Contemporary treatments, such as assisted reproductive techniques, are costly with low success rates of only 10-30%; however, herbal remedies are gaining more attention as an alternative or supplementary therapeutic modality for male infertility. The beneficial effects induced by oral intake of the roots of a small evergreen shrub, Withania sominifera (Ashwagandha) on semen quality of infertile men have previously been studied...
December 7, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29247341/from-biomarkers-to-therapeutic-targets-the-promises-and-perils-of-long-non-coding-rnas-in-cancer
#9
Tony Gutschner, Georg Richtig, Monika Haemmerle, Martin Pichler
Biomarker-driven personalized cancer therapy is a field of growing interest, and several molecular tests have been developed to detect biomarkers that predict, e.g., response of cancers to particular therapies. Identification of these molecules and understanding their molecular mechanisms is important for cancer prognosis and the development of therapeutics for late stage diseases. In the past, significant efforts have been placed on the discovery of protein or DNA-based biomarkers while only recently the class of long non-coding RNA (lncRNA) has emerged as a new category of biomarker...
December 15, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29245896/metabolomic-mapping-of-cancer-stem-cells-for-reducing-and-exploiting-tumor-heterogeneity
#10
Elisabet Cuyàs, Sara Verdura, Salvador Fernández-Arroyo, Joaquim Bosch-Barrera, Begoña Martin-Castillo, Jorge Joven, Javier A Menendez
Personalized cancer medicine based on the analysis of tumors en masse is limited by tumor heterogeneity, which has become a major obstacle to effective cancer treatment. Cancer stem cells (CSC) are emerging as key drivers of inter- and intratumoral heterogeneity. CSC have unique metabolic dependencies that are required not only for specific bioenergetic/biosynthetic demands but also for sustaining their operational epigenetic traits, i.e. self-renewal, tumor-initiation, and plasticity. Given that the metabolome is the final downstream product of all the -omic layers and, therefore, most representative of the biological phenotype, we here propose that a novel approach to better understand the complexity of tumor heterogeneity is by mapping and cataloging small numbers of CSC metabolomic phenotypes...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29238752/colonic-butyrate-producing-communities-in-humans-an-overview-using-omics-data
#11
Marius Vital, André Karch, Dietmar H Pieper
Given the key role of butyrate for host health, understanding the ecology of intestinal butyrate-producing communities is a top priority for gut microbiota research. To this end, we performed a pooled analysis on 2,387 metagenomic/transcriptomic samples from 15 publicly available data sets that originated from three continents and encompassed eight diseases as well as specific interventions. For analyses, a gene catalogue was constructed from gene-targeted assemblies of all genes from butyrate synthesis pathways of all samples and from an updated reference database derived from genome screenings...
November 2017: MSystems
https://www.readbyqxmd.com/read/29236046/advances-in-proteomic-techniques-for-cytokine-analysis-focus-on-melanoma-research
#12
REVIEW
Helena Kupcova Skalnikova, Jana Cizkova, Jakub Cervenka, Petr Vodicka
Melanoma is a skin cancer with permanently increasing incidence and resistance to therapies in advanced stages. Reports of spontaneous regression and tumour infiltration with T-lymphocytes makes melanoma candidate for immunotherapies. Cytokines are key factors regulating immune response and intercellular communication in tumour microenvironment. Cytokines may be used in therapy of melanoma to modulate immune response. Cytokines also possess diagnostic and prognostic potential and cytokine production may reflect effects of immunotherapies...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29224920/-pharmaceutical-cognitive-doping-in-students-a-chimeric-way-to-get-a-head
#13
Louise Carton, Nicolas Cabé, Olivier Ménard, Sylvie Deheul, Anne-Sylvie Caous, David Devos, Olivier Cottencin, Régis Bordet
For students, the pressing demands for memorization, top-level performance, and peer competition create an environment favorable for pharmaceutical cognitive doping behavior. We aimed to describe recent practices and the benefit / risk ratio of such behavior and to discuss the issues at stake. The prevalence of pharmaceutical cognitive doping among students has been reported from 1.3% to 33% across studies, with variations depending on country and definition of pharmaceutical cognitive doping. The therapeutic classes most frequently cited as being diverted for doping purposes are psychostimulants and nootropics (methylphenidate, modafinil, piracetam), corticosteroids, sedative drugs and beta-blockers...
November 22, 2017: Thérapie
https://www.readbyqxmd.com/read/29218907/emergence-of-pathway-level-composite-biomarkers-from-converging-gene-set-signals-of-heterogeneous-transcriptomic-responses
#14
Samir Rachid Zaim, Qike Li, A Grant Schissler, Yves A Lussier
Recent precision medicine initiatives have led to the expectation of improved clinical decisionmaking anchored in genomic data science. However, over the last decade, only a handful of new single-gene product biomarkers have been translated to clinical practice (FDA approved) in spite of considerable discovery efforts deployed and a plethora of transcriptomes available in the Gene Expression Omnibus. With this modest outcome of current approaches in mind, we developed a pilot simulation study to demonstrate the untapped benefits of developing disease detection methods for cases where the true signal lies at the pathway level, even if the pathway's gene expression alterations may be heterogeneous across patients...
2018: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/29218037/wuji-wan-formula-ameliorates-diarrhea-and-disordered-colonic-motility-in-post-inflammation-irritable-bowel-syndrome-rats-by-modulating-the-gut-microbiota
#15
Ying Chen, Shuiming Xiao, Zipeng Gong, Xiaoxin Zhu, Qing Yang, Yujie Li, Shuangrong Gao, Yu Dong, Zhe Shi, Yajie Wang, Xiaogang Weng, Qi Li, Weiyan Cai, Weijie Qiang
Emerging evidence suggests that gut microbiota contribute to the treatment of post-inflammatory irritable bowel syndrome (PI-IBS). Our previous studies have demonstrated that a Chinese formula, Wuji Wan, has the ability to mitigate abdominal pain and diarrhea in PI-IBS rats. However, little is known about the underlying mechanism and whether the gut microbiota mediate the effect of Wuji Wan on PI-IBS. Thus, the aim of this study was to determine whether Wuji Wan mitigated PI-IBS by modifying the gut microbiota...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29210986/ubiquitin-specific-peptidase-22-regulates-histone-h2b-mono-ubiquitination-and-exhibits-both-oncogenic-and-tumor-suppressor-roles-in-cancer
#16
REVIEW
Lucile M-P Jeusset, Kirk J McManus
Ubiquitin-Specific Peptidase 22 (USP22) is a ubiquitin hydrolase, notably catalyzing the removal of the mono-ubiquitin moiety from histone H2B (H2Bub1). Frequent overexpression of USP22 has been observed in various cancer types and is associated with poor patient prognosis. Multiple mechanisms have been identified to explain how USP22 overexpression contributes to cancer progression, and thus, USP22 has been proposed as a novel drug target in cancer. However, gene re-sequencing data from numerous cancer types show that USP22 expression is frequently diminished, suggesting it may also harbor tumor suppressor-like properties...
December 6, 2017: Cancers
https://www.readbyqxmd.com/read/29209788/-reform-of-emergency-physician-training-in-austria-finally-up-to-date
#17
REVIEW
H Trimmel, M Baubin, J Kreutziger, G Frank, G Prause
During the last 20 years Austrian prehospital emergency medical services (EMS) have significantly improved. The structure and organization of Austrian EMS comply with European standards but training requirements for prehospital EMS physicians are insufficient when compared with other countries. Although some EMS systems follow the German or Swiss postgraduate training concepts, the legal requirements in Austria defining the scope of mandatory training for physicians in the prehospital setting are only minimal...
December 5, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/29209617/mirroring-the-multiple-potentials-of-micrornas-in-acute-myocardial-infarction
#18
REVIEW
Solenne Paiva, Onnik Agbulut
At present, cardiovascular diseases are depicted to be the leading cause of death worldwide according to the World Health Organization. In the future, projections predict that ischemic heart disease will persist in the top main causes of illness. Within this alarming context, some tiny master regulators of gene expression programs, namely, microRNAs (miRNAs) carry three promising potentials. In fact, miRNAs can prove to be useful not only in terms of biomarkers allowing heart injury detection but also in terms of therapeutics to overcome limitations of past strategies and treat the lesions...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29193042/driving-access-to-medicines-with-a-totality-of-evidence-mindset-an-opportunity-for-clinical-pharmacology
#19
Karthik Venkatakrishnan, Jack Cook
Access to Medicine (AtM) initiatives have traditionally focused on enabling continuous availability and affordability of medicines for patients in the developing world. A more holistic view of AtM across the discovery-development-regulation-utilization continuum would also include participation in the development and timely access to emerging therapies in diverse populations in the era of precision therapeutics, built upon foundational clinical pharmacology principles, leveraging a Totality of Evidence (ToE) mindset...
November 28, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29190499/crosstalk-between-developing-vasculature-and-optogenetically-engineered-skeletal-muscle-improves-muscle-contraction-and-angiogenesis
#20
Tatsuya Osaki, Vivek Sivathanu, Roger D Kamm
Capillary networks surrounding skeletal muscle play an important role in not only supplying oxygen and nutrients but also in regulating the myogenesis and repair of skeletal muscle tissues. Herein, we model the early stages of 3D vascularized muscle fiber formation in vitro using a sequential molding technique to investigate interactions between angiogenesis of endothelial cells and myogenesis of skeletal muscle cells. Channelrhodopsin-2 C2C12 muscle fiber bundles and 3D vascular structures (600 μm diameter) were formed at 500 μm intervals in a collagen gel...
November 25, 2017: Biomaterials
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