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https://www.readbyqxmd.com/read/28109001/polygonum-multiflorum-radix-extract-protects-human-foreskin-melanocytes-from-oxidative-stress-in-vitro-and-potentiates-hair-follicle-pigmentation-ex-vivo
#1
Peggy Sextius, Richard Betts, Ishak Benkhalifa, Stéphane Commo, Joan Eilstein, Marco Massironi, Ping Wang, Jean-Francois Michelet, Jie Qiu, Xuezhu Tan, Severine Jeulin
OBJECTIVE: To examine the ability of an extract from traditional Chinese medicine, Polygonum multiflorum Radix, to protect melanocyte viability from oxidative stress, a key mechanism in the initiation and progression of hair greying. METHODS: To assess the antioxidant capacity of Polygonum multiflorum Radix extract, primary human foreskin melanocytes were treated with a commercially available Polygonum multiflorum Radix extract added to culture medium and exposed to hydrogen peroxide (H2 O2 ), using intracellular reactive oxygen species concentrations and glutathione/protein ratios as endpoints...
January 20, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28108960/dual-acting-biofunctionalised-scaffolds-for-applications-in-regenerative-medicine
#2
Camilo Chaves, Chuanyu Gao, Jerome Hunckler, Moustafa Elsawy, Josette Legagneux, Gilles Renault, Alain Charles Masquelet, Achala de Mel
Off the shelf scaffolds for replacing ultra-small diameter vascular grafts are valuable for reconstruction of diseased or damaged vessels. The limitations for such grafts include optimal handling with ready availability of varied lengths of grafts, graft patency with the ability to replace the function of active cellular mechanisms and adequate mechanical properties to maintain physicochemical function. We used a well-established, solvent casting method for potential tissue replacement scaffold fabrication with incorporated bioactive molecules, which we have previously explored to confer haemocompatibility...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28108913/religion-and-public-health-moral-tradition-as-both-problem-and-solution
#3
Michael Rozier
Despite strong religious influence in the development of medicine and medical ethics, religion has been relatively absent in the rise of preventive medicine and population health. Episodic, clinical medicine has a powerful hold on the religious imagination in health care. Nevertheless, Hebrew Scripture, elements of rabbinical teaching, and modern concepts of social justice all can be used to inspire action in health care that goes beyond clinical medicine. The Christian tradition can call upon the corporal works of mercy, virtue ethics, and Catholic social teaching, as well as the modern history Catholic sisters in the U...
January 20, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28107808/in-situ-release-of-vegf-enhances-osteogenesis-in-3d-porous-scaffolds-engineered-with-osterix-modified-adipose-derived-stem-cells
#4
Wan-Lin Xu, Hui-Shan Ong, Yun Zhu, Sheng-Wen Liu, Li-Min Liu, Kai-Hua Zhou, Zeng-Qi Xu, Jun Gao, Yan Zhang, Jin-Hai Ye, Wen-Jun Yang
Adipose-derived stem cells (ADSCs) can differentiate into various cell types and thus have great potential for regenerative medicine. Herein, rat ADSCs were isolated; transduced with lentiviruses expressing Osterix (Osx), a transcriptional factor essential for osteogenesis. Osx overexpression up-regulated key osteogenesis-related genes, such as special AT-rich binding protein 2, alkaline phosphatase, osteocalcin and osteopontin, at both the mRNA and protein levels. In addition, mineral nodule formation and alkaline phosphatase activity were enhanced in Osx-overexpressing ADSCs...
January 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28107614/sirt1-dependent-anti-senescence-effects-of-cell-deposited-matrix-on-human-umbilical-cord-mesenchymal-stem-cells
#5
Long Zhou, Xi Chen, Tao Liu, Caihong Zhu, Michelle Si, Joseph Jargstorf, Mao Li, Guoqing Pan, Yihong Gong, Zong-Ping Luo, Huilin Yang, Ming Pei, Fan He
Human umbilical cord-derived mesenchymal stem cells (UC-MSCs) are considered an attractive cell source for tissue regeneration. However, environmental oxidative stress can trigger premature senescence in MSCs and thus compromises their regenerative potential. Extracellular matrix (ECM) derived from MSCs has been shown to facilitate cell proliferation and multilineage differentiation. This investigation evaluated the effect of cell-deposited decellularized ECM (DECM) on oxidative stress-induced premature senescence in UC-MSCs...
January 20, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28107153/human-trafficking-mental-illness-and-addiction-avoiding-diagnostic-overshadowing
#6
Hanni Stoklosa, Marti MacGibbon, Joseph Stoklosa
This article reviews an emergency department-based clinical vignette of a trafficked patient with co-occurring pregnancy-related, mental health, and substance use disorder issues. The authors, including a survivor of human trafficking, draw on their backgrounds in addiction care, human trafficking, emergency medicine, and psychiatry to review the literature on relevant general health and mental health consequences of trafficking and propose an approach to the clinical complexities this case presents. In their discussion, the authors explicate the deleterious role of implicit bias and diagnostic overshadowing in trafficked patients with co-occurring addiction and mental illness...
January 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28106358/national-vaccine-injury-compensation-program-revisions-to-the-vaccine-injury-table-final-rule
#7
(no author information available yet)
On July 29, 2015, the Secretary of Health and Human Services (the Secretary) published in the Federal Register a Notice of Proposed Rulemaking (NPRM) to amend the regulations governing the National Vaccine Injury Compensation Program (VICP or program) by proposing revisions to the Vaccine Injury Table (Table). The Secretary based the Table revisions primarily on the 2012 Institute of Medicine (IOM) report, "Adverse Effects of Vaccines: Evidence and Causality," the work of nine HHS workgroups who reviewed the IOM findings, and consideration of the Advisory Commission on Childhood Vaccines' (ACCV) recommendations...
19, 2017: Federal Register
https://www.readbyqxmd.com/read/28105980/determination-of-antimony-in-pharmaceutical-formulations-and-beverages-using-high-resolution-continuum-source-graphite-furnace-atomic-absorption-spectrometry
#8
Patricia Mattiazzi, Denise Bohrer, Carine Viana, Paulo Cícero do Nascimento, Marlei Veiga, Leandro Machado de Carvalho
A sensitive and accurate method, employing highresolutioncontinuum source atomic absorptionspectrometry, for the determination of antimony(Sb) was developed. Conditions such as pyrolysisand atomization temperatures, the use of chemicalmodifiers, and sample pretreatment were optimizedfor the determination of Sb in pharmaceuticalpreparations and beverages stored in polyethyleneterephthalate (PET) containers. In addition tocontainer analysis, the influence of time of contact,temperature, and content composition on themigration of Sb was investigated...
January 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28105795/the-missing-omes-proposing-social-and-environmental-nomenclature-in-precision-medicine
#9
Matthew M Davis, Thomas P Shanley
In principle, precision medicine incorporates disease prevention and treatment that takes into account individual differences in people's genes, environments, and lifestyles. In practice, research regarding genes attracts more attention and resources than research focused on environments and lifestyles. Such progress-hindering asymmetry may be related to dissimilar naming conventions across scientific domains. We propose a novel "-ome"-based nomenclature that incorporates known social and environmental determinants of human health, and thereby reflects evidence across the full spectrum of scientific endeavors in precision medicine...
January 19, 2017: Clinical and Translational Science
https://www.readbyqxmd.com/read/28105687/a-research-review-on-clinical-needs-technical-requirements-and-normativity-in-the-design-of-surgical-robots
#10
REVIEW
Carlos Eduardo Díaz, Roemi Fernández, Manuel Armada, Felipe García
Nowadays robots play an important role in society, mainly due to the significant benefits they provide when utilized for assisting human beings in the execution of dangerous or repetitive tasks. Medicine is one of the fields in which robots are gaining greater use and development, especially those employed in minimally invasive surgery (MIS). However, due to the particular conditions of the human body where robots have to act, the design of these systems is complex, not only from a technical point of view, but also because the clinical needs and the normativity aspects are important considerations that have to be taken into account in order to achieve better performances and more secure systems for patients and surgeons...
January 20, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28105335/detection-of-stanozolol-in-the-urine-of-athletes-at-a-pg-level-the-possibility-of-passive-exposure
#11
Christina Tsitsimpikou, Konstantinos Tsarouhas, Demetrios A Spandidos, Aristides M Tsatsakis
Stanozolol is a synthetic heterocyclic steroid with anabolic and androgenic properties, which has been abused by several high-profile professional athletes. Stanozolol is also used in veterinary medicine to increase appetite, cause weight gain and treat certain types of anemia. The detection of stanozolol metabolites in human urine for doping control purposes depends on the analytical method applied. The most commonly applied methods in the World Anti-Doping Agency (WADA)-accredited doping control laboratories are gas chromatography/high-resolution mass spectrometry (GC/HRMS) or gas chromatography-mass spectrometry (GC/MS/MS)...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28105286/discovery-of-a-potent-selective-and-orally-available-pi3k%C3%AE-inhibitor-for-the-treatment-of-inflammatory-diseases
#12
Montse Erra, Joan Taltavull, Angelique Gréco, Francisco Javier Bernal, Juan Francisco Caturla, Jordi Gràcia, María Domínguez, Mar Sabaté, Stéphane Paris, Salomé Soria, Begoña Hernández, Clara Armengol, Judit Cabedo, Mónica Bravo, Elena Calama, Montserrat Miralpeix, Martin D Lehner
The delta isoform of the phosphatidylinositol 3-kinase (PI3Kδ) has been shown to have an essential role in specific immune cell functions and thus represents a potential therapeutic target for autoimmune and inflammatory diseases. Herein, the optimization of a series of pyrrolotriazinones as potent and selective PI3Kδ inhibitors is described. The main challenge of the optimization process was to identify an orally available compound with a good pharmacokinetic profile in preclinical species that predicted a suitable dosing regimen in humans...
January 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28104906/interrogating-open-issues-in-cancer-precision-medicine-with-patient-derived-xenografts
#13
Annette T Byrne, Denis G Alférez, Frédéric Amant, Daniela Annibali, Joaquín Arribas, Andrew V Biankin, Alejandra Bruna, Eva Budinská, Carlos Caldas, David K Chang, Robert B Clarke, Hans Clevers, George Coukos, Virginie Dangles-Marie, S Gail Eckhardt, Eva Gonzalez-Suarez, Els Hermans, Manuel Hidalgo, Monika A Jarzabek, Steven de Jong, Jos Jonkers, Kristel Kemper, Luisa Lanfrancone, Gunhild Mari Mælandsmo, Elisabetta Marangoni, Jean-Christophe Marine, Enzo Medico, Jens Henrik Norum, Héctor G Palmer, Daniel S Peeper, Pier Giuseppe Pelicci, Alejandro Piris-Gimenez, Sergio Roman-Roman, Oscar M Rueda, Joan Seoane, Violeta Serra, Laura Soucek, Dominique Vanhecke, Alberto Villanueva, Emilie Vinolo, Andrea Bertotti, Livio Trusolino
Patient-derived xenografts (PDXs) have emerged as an important platform to elucidate new treatments and biomarkers in oncology. PDX models are used to address clinically relevant questions, including the contribution of tumour heterogeneity to therapeutic responsiveness, the patterns of cancer evolutionary dynamics during tumour progression and under drug pressure, and the mechanisms of resistance to treatment. The ability of PDX models to predict clinical outcomes is being improved through mouse humanization strategies and the implementation of co-clinical trials, within which patients and PDXs reciprocally inform therapeutic decisions...
January 20, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28104841/human-tissues-in-a-dish-the-research-and-ethical-implications-of-organoid-technology
#14
REVIEW
Annelien L Bredenoord, Hans Clevers, Juergen A Knoblich
The ability to generate human tissues in vitro from stem cells has raised enormous expectations among the biomedical research community, patients, and the general public. These organoids enable studies of normal development and disease and allow the testing of compounds directly on human tissue. Organoids hold the promise to influence the entire innovation cycle in biomedical research. They affect fields that have been subjects of intense ethical debate, ranging from animal experiments and the use of embryonic or fetal human tissues to precision medicine, organoid transplantation, and gene therapy...
January 20, 2017: Science
https://www.readbyqxmd.com/read/28104618/hysa-a-hybrid-structural-variant-assembly-approach-using-next-generation-and-single-molecule-sequencing-technologies
#15
Xian Fan, Mark Chaisson, Luay Nakhleh, Ken Chen
Achieving complete, accurate and cost-effective assembly of human genomes is of great importance for realizing the promise of precision medicine. The abundance of repeats and genetic variations in human genomes and the limitations of existing sequencing technologies call for the development of novel assembly methods that can leverage the complementary strengths of multiple technologies. We propose a hybrid structural variant assembly (HySA) approach that integrates sequencing reads from next-generation sequencing and single-molecule sequencing technologies to accurately assemble and detect structural variations in human genomes...
January 19, 2017: Genome Research
https://www.readbyqxmd.com/read/28104409/gigantol-from-dendrobium-chrysotoxum-lindl-binds-and-inhibits-aldose-reductase-gene-to-exert-its-anti-cataract-activity-an-in-vitro-mechanistic-study
#16
Jie Wu, Xue Li, Wencheng Wan, Qiaohong Yang, Weifeng Ma, Dan Chen, Jiangmiao Hu, C-Y Oliver Chen, Xiaoyong Wei
ETHNOPHARMACOLOGICAL RELEVANCE: Dendrobium. chrysotoxum Lindl is a commonly used species of medicinal Dendrobium which belongs to the family of Orchidaceae, locally known as "Shihu" or "Huangcao". D. chrysotoxum Lindl is widely known for medicinal values in traditional Chinese medicine as it possesses anti-inflammatory, anti-hyperglycemic induction, antitumor and antioxidant properties. STUDY AIM: To characterize the interaction between gigantol extracted from D...
January 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28103986/-holistic-integrative-medicine-the-road-to-the-future-of-the-development-of-burn-medicine
#17
D M Fan
Holistic integrative medicine is the road to the future of the development of burn medicine. Not only burn medicine, but also human medicine gradually enters the era of holistic integrative medicine. Holistic integrative medicine is different from translational medicine, evidence-based medicine or precision medicine, which integrates the most advanced knowledge and theories in medicine fields with the most effective practices and experiences in clinical specialties to form a new medical system.
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28103929/chemical-composition-and-some-biological-activities-of-the-essential-oils-from-basil-ocimum-different-cultivars
#18
Arpi Avetisyan, Anahit Markosian, Margarit Petrosyan, Naira Sahakyan, Anush Babayan, Samvel Aloyan, Armen Trchounian
BACKGROUND: The plants belonging to the Ocimum genus of the Lamiaceae family are considered to be a rich source of essential oils which have expressed biological activity and use in different area of human activity. There is a great variety of chemotypes within the same basil species. Essential oils from three different cultivars of basil, O. basilicum var. purpureum, O. basilicum var. thyrsiflora, and O. citriodorum Vis. were the subjects of our investigations. METHODS: The oils were obtained by steam distillation in a Clevenger-type apparatus...
January 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28103873/masquelier-s-grape-seed-extract-from-basic-flavonoid-research-to-a-well-characterized-food-supplement-with-health-benefits
#19
REVIEW
Antje R Weseler, Aalt Bast
Careful characterization and standardization of the composition of plant-derived food supplements is essential to establish a cause-effect relationship between the intake of that product and its health effect. In this review we follow a specific grape seed extract containing monomeric and oligomeric flavan-3-ols from its creation by Jack Masquelier in 1947 towards a botanical remedy and nutraceutical with proven health benefits. The preparation's research history parallels the advancing insights in the fields of molecular biology, medicine, plant and nutritional sciences during the last 70 years...
January 19, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28103773/agaricus-blazei-bioactive-compounds-and-their-effects-on-human-health-benefits-and-controversies
#20
Aline Cristine da Silva de Souza, Vanesa Gesser Correa, Geferson de Almeida Gonçalves, Andréia Assunção Soares, Adelar Bracht, Rosane Marina Peralta
BACKGROUND: The mushroom Agaricus blazei has evoked considerable scientific and practical interest in several fields, especially those linked to its medicinal properties. This review aims to summarize and evaluate the past decade findings related to nutritional and therapeutic uses of A. blazei, with especial emphasis on the most recent discoveries regarding its chemical composition and clinical investigations. METHODS: The specialized literature was searched for basic and clinical studies...
January 18, 2017: Current Pharmaceutical Design
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