Code | CSB-EP730715MO |
MSDS | |
Size | US$306 |
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The Recombinant Mouse Musk protein is a protein encoded by recombinant DNA that was cloned in an expression vector that supported the expression of Musk gene. This recombinant Musk protein was expressed in the host. The expression region is 22-494aa of the Mouse Musk. In the production, the expression vector contains N-terminal 10xHis-SUMO tag and C-terminal Myc tag. Every production step was performed with a strict QC system. The purity of this protein is 90%+ determined by SDS-PAGE.
The receptor tyrosine kinase MuSK (muscle-specific kinase) is the key signaling molecule during the formation of a mature and functional neuromuscular junction (NMJ). Signal transduction events downstream of MuSK activation induce both pre- and postsynaptic differentiation, which, most prominently, includes the clustering of acetylcholine receptors at synaptic sites. MuSK originally described as Trk-related receptor tyrosine kinase (RTK) in the electric organ of Torpedo californica, was isolated as a novel RTK from denervated mouse muscle and termed muscle-specific kinase due to its prominent expression in skeletal muscle. MuSK activation requires a complex interplay between its coreceptor Lrp4 (low-density lipoprotein receptor-related protein-4), the motor neuron-derived heparan-sulfate proteoglycan Agrin and the intracellular adaptor protein Dok-7. A tight regulation of MuSK kinase activity is crucial for proper NMJ development. Defects in MuSK signaling are the cause of muscle weakness as reported in congenital myasthenic syndromes and myasthenia gravis. Of note, recently it was shown that MuSK acts as coreceptor of bone morphogenic proteins in myoblasts to stimulate the expression of a distinct set of genes linking MuSK to pathways involved in muscle differentiation and growth.
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