Nuclear. Only nuclear staining should be considered as evidence of skeletal muscle differentiation.
Recognizes a phosphor-protein of 45kDa, identified as MyoD1. This MAb does not cross react with myogenin, Myf5, or Myf6. Antibody to MyoD1 labels the nuclei of myoblasts in developing muscle tissues. MyoD1 is not detected in normal adult tissue, but is highly expressed in the tumor cell nuclei of rhabdomyosarcomas. Occasionally nuclear expression of MyoD1 is seen in ectomesenchymoma and a subset of Wilm s tumors. Weak cytoplasmic staining is observed in several non-muscle tissues, including glandular epithelium and also in rhabdomyosarcomas, neuroblastomas, Ewing s sarcomas and alveolar soft part sarcomas.
Protein A purified
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Use in Western blot reported in reported in scientific literature (PMID: 30890574).
45 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
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The Myogenic determination gene (MyoD) was first identified by the virtue of its ability to convert embryonic mouse fibroblast cells to muscle cells. It was subsequently shown that forced expression of MyoD (human homolog is myf 3) gene in a wide variety of normal and neoplastic cells could either convert the cells to muscle cells or activate a set of the otherwise transcriptionally inactive muscle-specific genes in these cells. The regulatory domain of the MyoD gene product lies within a 70 amino acid region and comprises a basic DNA binding motif and a helix-loop-helix (HLH) dimerization motif. Subsequent studies identified three other genes whose products shared sequence homology for the basic HLH domain of MyoD. These are; myf5, myogenin (human homolog is myf4) and myf6 (also known as MRF4 and herculin).
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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