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https://www.readbyqxmd.com/read/29141233/mirnome-profiling-of-purified-endoderm-and-mesoderm-differentiated-from-hescs-reveals-functions-of-mir-483-3p-and-mir-1263-for-cell-fate-decisions
#1
Daichi Ishikawa, Ulf Diekmann, Jan Fiedler, Annette Just, Thomas Thum, Sigurd Lenzen, Ortwin Naujok
Pluripotent stem cells hold great promise for regenerative medicine since they can differentiate into all somatic cells. MicroRNAs (miRNAs) could be important for the regulation of these cell-fate decisions. Profiling of miRNAs revealed 19 differentially expressed miRNAs in the endoderm and 29 in the mesoderm when analyzing FACS-purified cells derived from human embryonic stem cells. The mesodermal-enriched miR-483-3p was identified as an important regulator for the generation of mesodermal PDGFRA(+) paraxial cells...
November 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29140300/novel-strategies-on-personalized-medicine-for-breast-cancer-treatment-an-update
#2
REVIEW
Carmen W H Chan, Bernard M H Law, Winnie K W So, Ka Ming Chow, Mary M Y Waye
Breast cancer is the most common cancer type among women worldwide. With breast cancer patients and survivors being reported to experience a repertoire of symptoms that are detrimental to their quality of life, the development of breast cancer treatment strategies that are effective with minimal side effects is therefore required. Personalized medicine, the treatment process that is tailored to the individual needs of each patient, is recently gaining increasing attention for its prospect in the development of effective cancer treatment regimens...
November 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29140270/the-oxepane-motif-in-marine-drugs
#3
REVIEW
Héctor Barbero, Carlos Díez-Poza, Asunción Barbero
Oceans have shown to be a remarkable source of natural products. The biological properties of many of these compounds have helped to produce great advances in medicinal chemistry. Within them, marine natural products containing an oxepanyl ring are present in a great variety of algae, sponges, fungus and corals and show very important biological activities, many of them possessing remarkable cytotoxic properties against a wide range of cancer cell lines. Their rich chemical structures have attracted the attention of many researchers who have reported interesting synthetic approaches to these targets...
November 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29139555/tauroursodeoxycholic-acid-inhibits-intestinal-inflammation-and-barrier-disruption-in-nafld-mice
#4
Weijun Wang, Jinfang Zhao, Wenfang Gui, Dan Sun, Haijiang Dai, Li Xiao, Huikuan Chu, Fan Du, Qingjing Zhu, Bernd Schnabl, Kai Huang, Ling Yang, Xiaohua Hou
BACKGROUND AND PURPOSE: The gut-liver axis is associated with the progression of non-alcoholic fatty liver disease (NAFLD). Targeting the gut-liver axis and bile acid-based pharmaceuticals are potential therapies for NAFLD. The effect of tauroursodeoxycholic acid (TUDCA), a candidate medicine for NAFLD, on intestinal barrier function, intestinal inflammation, gut lipid transport and microbiota composition in a murine NAFLD model were analysed. EXPERIMENTAL APPROACHES: An NAFLD mouse model was established by feeding mice with a high-fat diet (HFD) for 16 weeks...
November 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29139345/herbicide-ingredients-change-salmonella-enterica-sv-typhimurium-and-escherichia-coli-antibiotic-responses
#5
Brigitta Kurenbach, Paddy S Gibson, Amy M Hill, Adam S Bitzer, Mark W Silby, William Godsoe, Jack A Heinemann
Herbicides are frequently released into both rural and urban environments. Commercial herbicide formulations induce adaptive changes in the way bacteria respond to antibiotics. Salmonella enterica sv. Typhimurium and Escherichia coli were exposed to common co-formulants of formulations, and S. enterica sv. Typhimurium was exposed to active ingredients dicamba, 2,4-D and glyphosate to determine what ingredients of the commercial formulations caused this effect. Co-formulants Tween80 and carboxymethyl cellulose induced changes in response, but the pattern of the responses differed from the active ingredients, and effect sizes were smaller...
November 17, 2017: Microbiology
https://www.readbyqxmd.com/read/29139258/-regulatory-effects-of-traditional-chinese-medicine-on-autophagy-in-myocardial-ischemia-reperfusion-injury
#6
REVIEW
Qing Zheng, Yi-Min Bao
Autophagy is a basic process of eliminating unnecessary or damaged organelles by lysosome to maintain the internal environment homeostasis. Recent studies have revealed that autophagy plays an important role in pathology of myocardial ischemia reperfusion. In the phase of ischemia, moderate autophagy can protect the cells against various stress; but in the phase of reperfusion, excessive autophagy can increase the death of cells. Therefore, the dual role of autophagy in myocardial ischemia reperfusion provides a new therapeutic target for the treatment of heart disease...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29138751/expression-of-microrna-29a-regulated-by-yes-associated-protein-modulates-the-neurite-outgrowth-in-n2a-cells
#7
Chunye Tan, Changlin Yu, Zhiwen Song, Hongjun Zou, Xu Xu, Jinbo Liu
Yes-associated protein (YAP) is proved to increase miR-29a in the present study, but the relevant molecular mechanism is not clear. Also, growing evidence indicates that the high-level miR-29a promotes the neurite outgrowth by decreasing PTEN (phosphatase and tensin homologue deleted on chromosome 10). Results show that the expression of miR-29a increases but the PTEN decreases during transfecting the N2a cells with the YAP plasmid. Meanwhile, the advancement of neurite outgrowth is presented via using multiple methods to detect the expression of GAP-43 and NF-200, which have a strong association with neurite outgrowth...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29138636/stem-cell-tracking-technologies-for-neurological-regenerative-medicine-purposes
#8
REVIEW
Yongtao Zheng, Jiongwei Huang, Tongming Zhu, Ronggang Li, Zhifu Wang, Fukai Ma, Jianhong Zhu
The growing field of stem cell therapy is moving toward clinical trials in a variety of applications, particularly for neurological diseases. However, this translation of cell therapies into humans has prompted a need to create innovative and breakthrough methods for stem cell tracing, to explore the migration routes and its reciprocity with microenvironment targets in the body, to monitor and track the outcome after stem cell transplantation therapy, and to track the distribution and cell viability of transplanted cells noninvasively and longitudinally...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29138518/predicted-molecular-targets-and-pathways-for-germacrone-curdione-and-furanodiene-in-the-treatment-of-breast-cancer-using-a-bioinformatics-approach
#9
Qi Kong, Yong Ma, Jie Yu, Xiuping Chen
Germacrone, curdione, and furanodiene have been shown to be useful in the treatment of breast cancer but the pharmacological mechanism of action is unclear. In this paper, we explored a new method to study the molecular network and function of Traditional Chinese Medicine (TCM) herbs and their corresponding ingredients with bioinformatics tools, including PubChem Compound Database, BATMAN-TCM, SystemsDock, Coremine Medical, Gene ontology, and KEGG. Eleven targeted genes/proteins, 4 key pathways, and 10 biological processes were identified to participate in the mechanism of action in treating breast cancer with germacrone, curdione, and furanodiene...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138271/addressing-the-perfect-storm-biomarkers-in-obesity-and-pathophysiology-of-cardiometabolic-risk
#10
REVIEW
Krasimira Aleksandrova, Dariush Mozaffarian, Tobias Pischon
BACKGROUND: The worldwide rise of obesity has provoked intensified research to better understand its pathophysiology as a means for disease prevention. Several biomarkers that may reflect various pathophysiological pathways that link obesity and cardiometabolic diseases have been identified over the past decades. CONTENT: We summarize research evidence regarding the role of established and novel obesity-related biomarkers, focusing on recent epidemiological evidence for detrimental associations with cardiometabolic diseases including obesity-related cancer...
November 14, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/29138137/the-next-frontier-head-and-neck-cancer-immunoprevention
#11
J Silvio Gutkind, Jack D Bui
Restoring T cell-mediated antitumor immunity by targeting immune checkpoint inhibitors in head and neck squamous cell carcinoma (HNSCC) results in immunomodulation and durable remissions. However, the overall response rate to these immunotherapies in HNSCC is only approximately 20%. This raises the possibility that immunologic intervention earlier in the HNSCC continuum, such as in oral premalignant lesions (OPL) could elicit an increased therapeutic response. New experimental studies suggest that immune therapies can be used for HNSCC prevention rather than therapy...
November 14, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29137958/knowledge-and-information-sources-on-standard-precautions-and-infection-control-of-health-sciences-students-at-king-saud-bin-abdulaziz-university-for-health-sciences-saudi-arabia-riyadh
#12
Abdullah Khubrani, Meshal Albesher, Abdulah Alkahtani, Faisal Alamri, Majid Alshamrani, Emad Masuadi
BACKGROUND: Only one study has been conducted in Saudi Arabia to assess medical students' knowledge of standard precautions (SPs) and infection control (IC). In this study, we examined knowledge of SPs and IC among clinical students attending the King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia. METHODS: In this cross-sectional study, we targeted clinical students from the following five colleges: Medicine (fifth and sixth years); Dentistry (second semester of the third, fourth, fifth, and sixth years); Applied Medical Sciences (third and fourth years); Nursing (third and fourth years); and Pharmacy (third, fourth, and fifth years)...
November 11, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/29137857/matricellular-proteins-and-survival-in-patients-with-pancreatic-cancer-a-systematic-review
#13
REVIEW
Sirio Fiorino, Maria Letizia Bacchi-Reggiani, Chiara Birtolo, Giorgia Acquaviva, Michela Visani, Adele Fornelli, Michele Masetti, Andrea Tura, Stefano Sbrignadello, Fabio Grizzi, Federica Patrinicola, Matteo Zanello, Laura Mastrangelo, Raffaele Lombardi, Claudia Benini, Luca Di Tommaso, Arrigo Bondi, Francesco Monetti, Elena Siopis, Paolo Emilio Orlandi, Michele Imbriani, Carlo Fabbri, Silvia Giovanelli, Andrea Domanico, Esterita Accogli, Salomone Di Saverio, Daniela Grifoni, Vincenzo Cennamo, Paolo Leandri, Elio Jovine, Dario de Biase
Extracellular matrix (ECM) plays a fundamental role in tissue architecture and homeostasis and modulates cell functions through a complex interaction between cell surface receptors, hormones, several bioeffector molecules, and structural proteins like collagen. These components are secreted into ECM and all together contribute to regulate several cellular activities including differentiation, apoptosis, proliferation, and migration. The so-called "matricellular" proteins (MPs) have recently emerged as important regulators of ECM functions...
November 4, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29137289/lingguizhugan-decoction-improves-non-alcoholic-fatty-liver-disease-by-altering-insulin-resistance-and-lipid-metabolism-related-genes-a-whole-trancriptome-study-by-rna-seq
#14
Mingzhe Zhu, Shijun Hao, Tao Liu, Lili Yang, Peiyong Zheng, Li Zhang, Guang Ji
Lingguizhugan decoction, a classic traditional Chinese medicine formula, has been used to treat non-alcoholic fatty liver disease (NAFLD), however, the underlying mechanisms remains unclear. In the present study, we compared the phenotype of the normal rats (fed with chow diet), high-fat-diet (HFD) induced NAFLD rats and Lingguizhugan decoction (LGZG, comprises four Chinese herbs: Poria, Ramulus Cinnamomi, Rhizoma Atractylodis Macrocephalae, and Radix Glycyrrhizae.) intervened rats, and detected whole genome gene expression by RNA-Seq...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136553/determination-of-tropane-alkaloids-by-heart-cutting-reversed-phase-strong-cation-exchange-two-dimensional-liquid-chromatography
#15
Zhen Long, Yanhai Zhang, Paul Gamache, Zhimou Guo, Frank Steiner, Nana Du, Xiaoda Liu, Yan Jin, Xingguo Liu, Lvye Liu
Current Chinese Pharmacopoeia (ChP) standards apply liquid extraction combined with one dimensional liquid chromatography (1DLC) method for determining alkaloids in herbal medicines. The complex pretreatments lead to a low analytical efficiency and possible component loss. In this study, a heart cutting reversed phase - strong cation exchange two dimensional liquid chromatography (RP - SCX 2DLC) approach was optimized for simultaneously quantifying tropane alkaloids (anisodine, scopolamine and hyoscyamine) in herbal medicines and herbal medicine tablets without further treatment of the filtered extract...
November 2, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29136547/natural-products-used-as-a-chemical-library-for-protein-protein-interaction-targeted-drug-discovery
#16
Xuemei Jin, Kyungro Lee, Nam Hee Kim, Hyun Sil Kim, Jong In Yook, Jiwon Choi, Kyoung Tai No
Protein-protein interactions (PPIs), which are essential for cellular processes, have been recognized as attractive therapeutic targets. Therefore, the construction of a PPI-focused chemical library is an inevitable necessity for future drug discovery. Natural products have been used as traditional medicines to treat human diseases for millennia; in addition, their molecular scaffolds have been used in diverse approved drugs and drug candidates. The recent discovery of the ability of natural products to inhibit PPIs led us to use natural products as a chemical library for PPI-targeted drug discovery...
October 27, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/29134678/systemic-immune-checkpoint-blockade-with-anti-pd1-antibodies-does-not-alter-cerebral-amyloid-%C3%AE-burden-in-several-amyloid-transgenic-mouse-models
#17
Martine Latta-Mahieu, Bradford Elmer, Alexis Bretteville, Yaming Wang, Mati Lopez-Grancha, Philippe Goniot, Nicolas Moindrot, Paul Ferrari, Véronique Blanc, Nathalie Schussler, Emmanuel Brault, Valérie Roudières, Véronique Blanchard, Zhi-Yong Yang, Pascal Barneoud, Philippe Bertrand, Bart Roucourt, Sofie Carmans, Astrid Bottelbergs, Liesbeth Mertens, Cindy Wintmolders, Peter Larsen, Caroline Hersley, Tyler McGathey, Margaret M Racke, Ling Liu, Jirong Lu, Michael J O'Neill, David R Riddell, Andreas Ebneth, Gary J Nabel, Laurent Pradier
Chronic inflammation represents a central component in the pathogenesis of Alzheimer's disease (AD). Recent work suggests that breaking immune tolerance by Programmed cell Death-1 (PD1) checkpoint inhibition produces an IFN-γ-dependent systemic immune response, with infiltration of the brain by peripheral myeloid cells and neuropathological as well as functional improvements even in mice with advanced amyloid pathology (Baruch et al., (): Nature Medicine, 22:135-137). Immune checkpoint inhibition was therefore suggested as potential treatment for neurodegenerative disorders when activation of the immune system is appropriate...
November 14, 2017: Glia
https://www.readbyqxmd.com/read/29134641/molecular-tumor-boards-realizing-precision-oncology-therapy
#18
Maulik Patel, Shumei M Kato, Razelle Kurzrock
Technological advances in high-throughput next-generation sequencing (NGS) along with advances in computational processes have brought about the dawn of the genomic medicine era. NGS has enabled molecular characterization of malignancies, and facilitated the development and approval of gene- and immune-targeted therapies, both of which impact the mutanome. Clinical implementation of this technology, approval of novel targeted agents, and establishment of molecular tumor boards has enabled precision oncology to become a reality...
November 14, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29133975/severe-eosinophilic-asthma-from-the-pathogenic-role-of-interleukin-5-to-the-therapeutic-action-of-mepolizumab
#19
REVIEW
Corrado Pelaia, Alessandro Vatrella, Maria Teresa Busceti, Luca Gallelli, Rosa Terracciano, Rocco Savino, Girolamo Pelaia
Mepolizumab is an anti-interleukin-5 (IL-5) humanized monoclonal antibody that has been recently approved as an add-on biological treatment for severe eosinophilic asthma, by both the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA). Moreover, mepolizumab is also currently included within the step 5 of the Global Initiative for Asthma guidelines, as an add-on therapy for severe uncontrolled asthma. The relevant therapeutic benefits detectable in patients with refractory eosinophilic asthma receiving mepolizumab depend on the pivotal pathogenic role played by IL-5 in these subjects...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29133939/precision-medicine-for-urothelial-bladder-cancer-update-on-tumour-genomics-and-immunotherapy
#20
REVIEW
Kenneth M Felsenstein, Dan Theodorescu
Effective management of advanced urothelial bladder cancer is challenging. New discoveries that improve our understanding of molecular bladder cancer subtypes have revealed numerous potentially targetable genomic alterations and demonstrated the efficacy of treatments that harness the immune system. These findings have begun to change paradigms of bladder cancer therapy. For example, DNA repair pathway mutations in genes such as ERCC2, FANCC, ATM, RB1, and others can predict responses to neoadjuvant platinum-based chemotherapies and to targeted therapies on the basis of mutation status...
November 14, 2017: Nature Reviews. Urology
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