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Western blot(SDS PAGE) analysis of extracts from HepG2 cells.Using NRG1 Mouse mAb IgG [904K] at dilution of 1:1000 incubated at 4℃ over night.
Protein names :NRG1,GGF,HGL,HRGA,NDF,SMDF,NRG1_HUMAN,Pro-neuregulin-1, membrane-bound isoform [Cleaved into: Neuregulin-1 ]
UniProtID :Q02297
MASS(da) :70,392
MW(kDa) :70kDa
Form :Liquid
Purification :Protein A purification
Host :Mouse
Isotype :IgG
sensitivity :Endogenous
Reactivity :Human,Mouse,Rat
Specificity :Antibody is produced by immunizing animals with a synthetic peptide of human NRG1.
Storage :Antibody store in 10 mM PBS, 0.5mg/ml BSA, 50% glycerol. Shipped at 4°C. Store at-20°C or -80°C. Products are valid for one natural year of receipt.Avoid repeated freeze / thaw cycles.
WB Positive detected :HepG2 cells
Function : Direct ligand for ERBB3 and ERBB4 tyrosine kinase receptors. Concomitantly recruits ERBB1 and ERBB2 coreceptors, resulting in ligand-stimulated tyrosine phosphorylation and activation of the ERBB receptors. The multiple isoforms perform diverse functions such as inducing growth and differentiation of epithelial, glial, neuronal, and skeletal muscle cells,inducing expression of acetylcholine receptor in synaptic vesicles during the formation of the neuromuscular junction,stimulating lobuloalveolar budding and milk production in the mammary gland and inducing differentiation of mammary tumor cells,stimulating Schwann cell proliferation,implication in the development of the myocardium such as trabeculation of the developing heart. Isoform 10 may play a role in motor and sensory neuron development. Binds to ERBB4 (PubMed:10867024, PubMed:7902537). Binds to ERBB3 (PubMed:20682778). Acts as a ligand for integrins and binds (via EGF domain) to integrins ITGAV:ITGB3 or ITGA6:ITGB4. Its binding to integrins and subsequent ternary complex formation with integrins and ERRB3 are essential for NRG1-ERBB signaling. Induces the phosphorylation and activation of MAPK3/ERK1, MAPK1/ERK2 and AKT1 (PubMed:20682778). Ligand-dependent ERBB4 endocytosis is essential for the NRG1-mediated activation of these kinases in neurons (By similarity)..
Tissue specificity :Type I isoforms are the predominant forms expressed in the endocardium. Isoform alpha is expressed in breast, ovary, testis, prostate, heart, skeletal muscle, lung, placenta liver, kidney, salivary gland, small intestine and brain, but not in uterus, stomach, pancreas, and spleen. Isoform 3 is the predominant form in mesenchymal cells and in non-neuronal organs, whereas isoform 6 is the major neuronal form. Isoform 8 is expressed in spinal cord and brain. Isoform 9 is the major form in skeletal muscle cells,in the nervous system it is expressed in spinal cord and brain. Also detected in adult heart, placenta, lung, liver, kidney, and pancreas. Isoform 10 is expressed in nervous system: spinal cord motor neurons, dorsal root ganglion neurons, and brain. Predominant isoform expressed in sensory and motor neurons. Not detected in adult heart, placenta, lung, liver, skeletal muscle, kidney, and pancreas. Not expressed in fetal lung, liver and kidney. Type IV isoforms are brain-specific..
Subcellular locationi :[Pro-neuregulin-1, membrane-bound isoform]: Cell membrane,Single-pass type I membrane protein.
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 1% w/v BSA, 1X TBST at 4°C overnight.