1 Distance between North Carolina, NC and cities in North Carolina. 2  Distance between North Dakota, ND and cities in North Dakota. 3  Distance between Ohio, OH and cities in Ohio.
HER2 is a proto-oncogene that encodes an 185 k Datrans membrane receptor tyrosine kinase which exhibits extensive homology to epidermal growth factor receptor (EGFR) .HER2 is also known as the neu and cerbB2 proto-oncogene.ER2 is a proto-oncogene that encodes an 185 k Datrans membrane receptor tyrosine kinase which exhibits extensive homology to epidermal growth factor receptor (EGFR) .
HER2/neu testing may be done at the same time as hormone receptor status testing. A patient with a positive estrogen and/or progesterone receptor status may find their response to endocrine therapy diminished if they are also HER2/neu-positive. Hormone receptor status testing is not available in every laboratory. It requires experience and special training to perform and interpret.