Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC45981/ Neural expression and chromosomal mapping of Neu differentiation factor to 8p12-p21 - PMC Neu differentiation factor (NDF/heregulin) is a 44-kDa glycoprotein that interacts with the Neu/ErbB-2 receptor tyrosine kinase to increase its phosphorylation... neu differentiation factor