نتایج جستجو برای: myogenin myog
تعداد نتایج: 1216 فیلتر نتایج به سال:
GH and IGF-I control over 80% of postnatal growth. We recently established that TNFalpha impairs the ability of IGF-I to increase protein synthesis and promote expression of myogenin in myoblasts. Here we extend these results by showing that ceramide, a second messenger in both TNFalpha and IL-1beta receptor signaling pathways, is a key downstream sphingosine-based lipid that leads to IGF-I res...
Skeletal muscle differentiation, maturation, and regeneration are regulated by interactions between signaling pathways activated by hormones and growth factors, and intrinsic genetic programs controlled by myogenic transcription factors, including members of the MyoD and MEF2 families. Insulin-like growth factors (IGFs) play key roles in muscle development in the embryo, and in the maintenance ...
Skeletal muscle differentiation, maturation, and regeneration are regulated by interactions between signaling pathways activated by hormones and growth factors, and intrinsic genetic programs controlled by myogenic transcription factors, including members of the MyoD and myocyte enhancer factor 2 (MEF2) families. Insulin-like growth factors (IGFs) play key roles in muscle development in the emb...
We applied K-means cluster analysis to test the hypothesis that muscle-specific factors known to modulate protein synthesis and satellite cell activity would be differentially expressed during progressive resistance training (PRT, 16 wk) in 66 human subjects experiencing extreme, modest, and failed myofiber hypertrophy. Muscle mRNA expression of IGF-I isoform Ea (IGF-IEa), mechanogrowth factor ...
Insulin resistance in skeletal muscle is an early event in the development of diabetes, with obesity being one of the major contributing factors. In vitro, conditioned medium (CM) from differentiated human adipocytes impairs insulin signaling in human skeletal muscle cells, but it is not known whether insulin resistance is reversible and which mechanisms may underlie this process. CM induced in...
Muscle wasting is a critical feature of patients afflicted by acquired immune deficiency syndrome (AIDS), cancer, or chronic inflammatory diseases. In a mouse model of muscle wasting, TNF-alpha induces oxidative stress and nitric oxide synthase-2 (NOS2) and decreases myogenin, Jun-D, and creatinine kinase muscle isoform (CKM) expression. Here, we studied 12 patients with muscle wasting due to c...
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