Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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Σάββατο 6 Μαΐου 2017
Mammary Stem Cells: Premise, Properties, and Perspectives
Source:Trends in Cell Biology
Author(s): Bethan Lloyd-Lewis, Olivia B. Harris, Christine J. Watson, Felicity M. Davis
Adult mammary stem cells (MaSCs) drive postnatal organogenesis and remodeling in the mammary gland, and their longevity and potential have important implications for breast cancer. However, despite intense investigation the identity, location, and differentiation potential of MaSCs remain subject to deliberation. The application of genetic lineage-tracing models, combined with quantitative 3D imaging and biophysical methods, has provided new insights into the mammary epithelial hierarchy that challenge classical definitions of MaSC potency and behaviors. We review here recent advances – discussing fundamental unresolved properties of MaSC potency, dynamics, and plasticity – and point to evolving technologies that promise to shed new light on this intractable debate. Elucidation of the physiological mammary differentiation hierarchy is paramount to understanding the complex heterogeneous breast cancer landscape.
http://ift.tt/2p8TvAl
Mitochondria Bioenergetic and Cognitive Functions: The Cannabinoid Link
Source:Trends in Cell Biology
Author(s): Giacomo Mancini, Tamas L. Horvath
Despite the well-known role of chronic mitochondrial dysfunction in the pathophysiology of the brain, the impact of acute impairment of mitochondrial activity by cannabinoids on higher brain functions is unknown. In a recent paper in Nature, Hebert-Chatelain et al. elegantly uncovered the essential role that bioenergetic processes have in the regulation of higher brain functions, such as learning and memory.
http://ift.tt/2qPdWyN
eIF4E phosphorylation by MST1 reduces translation of a subset of mRNAs, but increases lncRNA translation
Publication date: Available online 6 May 2017
Source:Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms
Author(s): Kyung-Won Min, Sylvia Davila, Richard W. Zealy, Lawson T. Lloyd, In Young Lee, Rumi Lee, Kyung Hye Roh, Ahjin Jung, Jacek Jemielity, Eui-Ju Choi, Jeong Ho Chang, Je-Hyun Yoon
Post-transcriptional gene regulation is an important step in eukaryotic gene expression. The last step to govern production of nascent peptides is during the process of mRNA translation. mRNA translation is controlled by many translation initiation factors that are susceptible to post-translational modifications. Here we report that one of the translation initiation factors, eIF4E, is phosphorylated by Mammalian Ste20-like kinase (MST1). Upon phosphorylation, eIF4E weakly interacts with the 5′ CAP to inhibit mRNA translation. Simultaneously, active polyribosome is more associated with long noncoding RNAs (lncRNAs). Moreover, linc00689-derived a micropeptide, STORM (Stress- and TNF-α-activated ORF Micropeptide), is induced by TNF-α-induced and MST1-mediated eIF4E phosphorylation exhibits molecular mimicry of SRP19 and, thus, competes for 7SL RNA. Our findings have uncovered a novel function of MST1 in mRNA and lncRNA translation by direct phosphorylation of eIF4E. This novel signaling pathway will provide new platforms for mRNA regulation of mRNA translation via post-translational protein modification.
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Scholar : These new articles for African Studies are available online
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Scholar : Architecture and Culture, Volume 5, Issue 1, March 2017 is now available online on Taylor & Francis Online
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Scholar : These new articles for Amyloid are available online
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Scholar : These new articles for Creative Industries Journal are available online
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Scholar : These new articles for Canadian Society of Forensic Science Journal are available online
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Scholar : These new articles for Asian Geographer are available online
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Scholar : Archives of Agronomy and Soil Science, Volume 63, Issue 9, July 2017 is now available online on Taylor & Francis Online
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Scholar : These new articles for International Journal of Heritage Studies are available online
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Scholar : These new articles for Archives of Agronomy and Soil Science are available online
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Scholar : New articles have been published for Baltic Journal of Economics, Volume 17, Issue 2
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Scholar : Ειδοποίηση Μελετητή - [ ΜΕΝΙΕ
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Post-Traumatic Dizziness
post-traumatic Meniere's as the incidence of the dis- ease in this cohort was equal to that in the
general population. ... Vertigo . Database . Post-traumatic Meniere's . Controversies ...
Intratympanic (IT) Therapies for Menière's Disease: Some Consensus Among the Confusion
Intratympanic (IT) Therapies for Menière's Disease: Some Consensus Among the
Confusion Desi P. Schoo1 & Grace X. Tan1 & Matthew R. Ehrenburg1 ...
内耳障害の MRI 評価
including Meniere's disease. ... 19) Nakashima T, Naganawa S, Sugiura M, et al. : Visualization
of endolymphatic hydrops in patients with Meniere's disease. ...
Otologic nanotechnology
OF MENIERE'S DISEASE, TINNITUS AND/OR HEARING LOSS. ... The issue of round window
membrane transport is particularly applicable in the treatment of Meniere's disease. ...
Diagnosing B-Cell Lymphoma By Immunoglobulin Gene Rearrangement In Patients With Negative Flow Cytometry
gastritis, Meniere's disease, Case Description and gastric bypass (Roux-en-Y) presented
to the hospital with persistent chest pain and abdominal pain. ...
[PDF] Assessment of absorption of four lignan constituents of JingNing particles in rat gut using in situ single-pass intestinal perfusion
16(4): 838 treatment of ADHD, Alzheimer's disease, Parkinsonism, and Meniere's diseases [5].
Traditional theories believe that endogenous liver wind is associated with ADHA. ...
Does Ménière's disease exhibit specific cVEMP tuning properties?
Keywords: Endolymphatic Hydrops, Meniere's disease, Saccule and Utricle, Otolith organ,
tuning. Received: 19 Oct 2016; Accepted: 20 Apr 2017. Edited by: ...
Method for treating hearing loss
scavengers for Meniere's disease after failure of conventional therapy: a pilot study",
Acta Otolaryngol. (Stockh). 123, 2003, pp. 697-703. Tanswell et ...
Innovative pharmaceutical approaches for the management of inner ear disorders
of inner ear disorders Umberto M. Musazzi1 & Silvia Franzé1 & Francesco Cilurzo1 ©
Controlled Release Society 2017 Abstract The sense ...
NITROGEN-CONTAINING HETEROCYCLIC COMPOUND
M1 receptor positive allosteric modulator activity and useful as an agent
for the prophylaxis or treatment of Alzheimer's dise.
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Summary Insulinomas are rare neuroendocrine tumours that classically present with fasting hypoglycaemia. This case report discusses an un...
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