نتایج جستجو برای: myostatin mstn
تعداد نتایج: 1894 فیلتر نتایج به سال:
The effects of lipopolysaccharide (LPS) on plasma cortisol and the expression of MyoD and myostatin (MSTN) mRNAs were evaluated in channel catfish. In addition, the effect of dexamethasone (Dex) on MyoD and MSTN mRNAs was examined. For the LPS injection experiments, juvenile channel catfish were injected intraperitoneally with 1.5 mg/kg LPS or sterile PBS. Blood was collected at 1, 3, 12, and 2...
Skeletal muscles of myostatin null (Mstn(-/-)) mice are more susceptible to atrophy during hind limb suspension (HS) than are muscles of wild-type mice. Here we sought to elucidate the mechanism for this susceptibility and to determine if Mstn(-/-) mice can regain muscle mass after HS. Male Mstn(-/-) and wild-type mice were subjected to 0, 2 or 7 days of HS or 7 days of HS followed by 1, 3 or 7...
The purpose of this study was to test the hypothesis that increased masticatory muscle accompanied morphologic changes in the temporal bone and squamosal suture. Ten mice deficient for the protein myostatin (Mstn -/-) had significantly increased skeletal muscle mass and were compared with nine controls (Mstn +/+). Variables measured include linear and areal metrics describing temporal size and ...
Skeletal muscle growth in livestock impacts meat quantity and quality. Concerns arise because certain feed additives, like beta-agonists, may affect food safety. is a specialized tissue consisting of nondividing multinucleated fibers. Myostatin (MSTN), protein specific to skeletal muscle, secreted functions as negative regulator mass by inhibiting the proliferation differentiation myoblasts. To...
OBJECTIVE Insulin resistance develops in tandem with obesity. Ablating myostatin (Mstn) prevents obesity, so we investigated if Mstn deficiency could improve insulin sensitivity. A loss-of-function mutation (Mstn(Ln)) in either one or both alleles of the Mstn gene shows how Mstn deficiency protects whole-body insulin sensitivity. RESEARCH DESIGN AND METHODS Mstn(Ln/Ln) mice were weaned onto a...
Predictable, clean genetic modification (GM) in livestock is important for reliable phenotyping and biosafety. Here we reported the generation of isozygous, functional myostatin (MSTN) knockout cloned pigs free of selectable marker gene (SMG) by CRISPR/Cas9 and Cre/LoxP. CRISPR/Cas9-mediated homologous recombination (HR) was exploited to knock out (KO) one allele of MSTN in pig primary cells. C...
Type 1 diabetes mellitus (T1DM), or insulin dependent DM, is accompanied by decreased muscle mass. The growth factor myostatin (MSTN) is a negative regulator of muscle growth, and a loss of MSTN signaling has been shown to increase muscle mass and prevent the development of obesity, insulin resistance and lipodystrophic diabetes in mice. The effects of MSTN inhibition in a T1DM model on muscle ...
Myostatin (MSTN) and growth differentiation factor-11 (GDF11) are closely related proteins involved in muscle cell growth and differentiation as well as neurogenesis of vertebrates. Both MSTN and GDF11 negatively regulate their functions. Invertebrates possess a single ortholog of the MSTN/GDF11 family. In order to understand the role of MSTN/GDF11 in crustaceans, the gene ortholog was identifi...
The myostatin (MSTN)-null phenotype in mammals is characterized by extreme gains in skeletal muscle mass or "double muscling" as the cytokine negatively regulates skeletal muscle growth. Recent attempts, however, to reproduce a comparable phenotype in zebrafish have failed. Several aspects of MSTN biology in the fishes differ significantly from those in mammals and at least two distinct paralog...
OBJECTIVES Myostatin (MSTN), a member of TGF-β superfamily, is produced in the skeletal muscle to inhibit myocyte differentiation. MSTN expression is increased in the skeletal muscle in patients with chronic kidney disease (CKD), which may play a role in the pathogenesis of sarcopenia or in the protein energy wasting (PEW). This observation implies that the plasma MSTN level may be correlated w...
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