NRG1 and fatty liver disease: The other promising genes and proteins that may play important roles in mediating the reduction of liver steatosis by soy protein include hepatic Neuregulin 1 (NRG1), Erb-B2 Receptor Tyrosine Kinase 3 (ERBB3) and mitogen-activated protein kinase interacting serine/threonine kinase 1 (MKNK1).