Translational Control of the Myogenic Program in Developing, Regenerating, and Diseased Skeletal Muscle.

Translational Control of the Myogenic Program in Developing, Regenerating, and Diseased Skeletal Muscle. Curr Top Dev Biol. 2018;126:67-98 Authors: Fujita R, Crist C Abstract Translational control of genes that code for protein allows a cell to rapidly respond to changes in its environment, in part because translational control of gene expression does not depend on upstream events required to produce an mRNA molecule. The importance of translational control has been highlighted by studies concerning muscle development, regeneration, and disease. Translational control of specific mRNAs is achieved by microRNAs and RNA-binding proteins, which are particularly relevant to developmental myogenesis, where they ensure the stepwise differentiation of multipotent progenitors to committed myogenic progenitors that ultimately fuse into slow- or fast-type myofibers that make up skeletal muscle. The importance of translational control is also illustrated in muscle disease, where deregulated microRNA expression accelerates or delays progression of disease. Skeletal muscle is also unique for its remarkable capacity to regenerate after injury, which requires the activity of quiescent muscle stem cells, named satellite cells for their position underneath the basal lamina of the myofiber. Mitotically quiescent satellite cells are primed to activate the cell cycle and myogenic program, a unique feature that requires specific regulation of mRNA translation converging with ...
Source: Current Topics in Developmental Biology - Category: Biology Authors: Tags: Curr Top Dev Biol Source Type: research

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Authors: Gueudry J, Majo F, Delcampe A, Muraine M Abstract The corneal limbus is a privileged region on the border between two quite different microenvironments, where corneal epithelial stem cells, numerous melanocytes, and antigen-presenting cells are all concentrated within a richly vascularized and innervated stroma. This situation within the ocular surface confers on it the key functions of barrier, epithelial renewal and defense of the cornea. As an immunological crossroads and since the corneoscleral limbus is directly exposed to external insults such as caustic agents, ultraviolet radiation, microbial agent...
Source: Journal Francais d Ophtalmologie - Category: Opthalmology Tags: J Fr Ophtalmol Source Type: research
Go online to PeerView.com/QAJ860 to view the entire program with slides. In this activity, based on a recent live symposium held at the 2019 Transplantation and Cellular Therapy Meetings of the American Society of Blood and Marrow Transplantation (ASBMT) and the Center for International Blood and Marrow Transplant Research (CIBMTR), experts in myeloma offer guidance on the selection and sequencing of innovative therapies for the ASCT-eligible patients with multiple myeloma, and address several ongoing clinical questions from the choice of novel induction and maintenance options to minimal residual disease monitoring and th...
Source: PeerView CME/CE Audio Podcast - Immunology - Category: Allergy & Immunology Authors: Tags: Science, Medicine Source Type: podcasts
Authors: Tian S, Yan Y, Qi X, Li X, Li Z Abstract BACKGROUND Rheumatoid arthritis model (CIA) rats were treated by tail vein injection of IL-10-modified bone marrow mesenchymal stem cells (BMSCs) to investigate its feasibility and intrinsic molecular mechanism. MATERIAL AND METHODS The CIA rat model was established by induction type II collagen, and IL-10-modified BMSCs was established by transfecting BMSCs with adenovirus. IL-10-modified BMSCs were used to treat the CIA rats. The therapeutic effect was evaluated by measuring the changes in body weight, ankle swelling, and forced swimming time, as well as observati...
Source: Medical Science Monitor - Category: Research Tags: Med Sci Monit Source Type: research
In this study, we report the age-associated differences between fetal MSC (fMSC) populations and MSCs isolated from elderly donors with respect to their transcriptomes. We successfully reprogrammed fMSCs (55 days post conception) and adult MSC (aMSC; 60-74 years) to iPSCs and, subsequently, generated the corresponding iMSCs. In addition, iMSCs were also derived from ESCs. The iMSCs were similar although not identical to primary MSCs. We unraveled a putative rejuvenation and aging gene expression signature. We show that iMSCs irrespective of donor age and cell type re-acquired a similar secretome to that of th...
Source: Fight Aging! - Category: Research Authors: Tags: Medicine, Biotech, Research Source Type: blogs
Abstract This review discusses the epidemiologic and clinical aspects of herpes viruses other than cytomegalovirus in patients who have undergone hematopoietic stem cell transplantation. PMID: 31005137 [PubMed - in process]
Source: Herpes - Category: Infectious Diseases Authors: Tags: Infect Dis Clin North Am Source Type: research
This study may provide new clinical management strategy for GIOP cases.
Source: The Journal of Steroid Biochemistry and Molecular Biology - Category: Biochemistry Source Type: research
PMID: 31003680 [PubMed - in process]
Source: Complementary Therapies in Clinical Practice - Category: Complementary Medicine Authors: Tags: Complement Ther Clin Pract Source Type: research
Expression of the STAT3 gene influences a number of vital cellular processes, such as mitochondrial activity, cellular differentiation, and cellular proliferation. Researchers have investigated its activity in the context of spurring greater regenerative activity in heart muscles, for example. Arguably this is a good example of a regulatory gene that is involved in too many processes to make it a good target for therapeutics, however. More specific, lower-level mechanisms for specific desired goals would be helpful. That requires slow and costly investigative work, however, picking apart the relationships between proteins ...
Source: Fight Aging! - Category: Research Authors: Tags: Daily News Source Type: blogs
Authors: Cui T, Li Z, Zhou Q, Li W Abstract Diploidy is the typical genomic mode in all mammals. Haploid stem cells are artificial cell lines experimentally derived in vitro in the form of different types of stem cells, which combine the characteristics of haploidy with a broad developmental potential and open the possibility to uncover biological mysteries at a genomic scale. To date, a multitude of haploid stem cell types from mouse, rat, monkey and humans have been derived, as more are in development. They have been applied in high-throughput genetic screens and mammalian assisted reproduction. Here, we review t...
Source: Protein and Cell - Category: Cytology Tags: Protein Cell Source Type: research
(Far Eastern Federal University) Scientists from Far Eastern Federal University (FEFU) in cooperation with colleagues from Blokhin Russian Cancer Research Center (Moscow), Switzerland, and Sweden for the first time studied proteins, which constitute WNT signaling pathway of the cancer stem cells of glioblastoma multiforme (GBM CD133+ CSCs), one of the most aggressive brain tumors. Researchers revealed a number of proteins, which are potential targets to attack during complex antitumor therapy. A related article was published in Oncology Reports.
Source: EurekAlert! - Biology - Category: Biology Source Type: news
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