In particular, they looked at the possible involvement in the HER2 pathway of a class of enzymes called protein tyrosine phosphatases, or PTPs. (sciencedaily.com)
The drug works by inhibiting an enzyme called low molecular weight protein tyrosine phosphatase (LMPTP), which seems to contribute to cells losing their sensitivity to insulin. (newscientist.com)
When postdoctoral researcher and first author, Karen M. Doody, Ph.D., screened samples from rheumatoid arthritis patients for the expression of phosphatases, she discovered that an enzyme known as RPTPσ, short for receptor protein tyrosine phosphatase sigma, is highly expressed on the surface of FLS. (sciencedaily.com)