PTPN1 | protein tyrosine phosphatase, non-receptor type 1 | 5770 | Breast adenocarcinoma | MCF-7 | 3.6±0.2 µM | - | - | - | PTP1B is overexpressed in human breast cancer, and inhibition of PTP1B delays erbB2-induced mammary tumorigenesis and protects from lung metastasis.Among the isolated compounds, erystgallin A along with isolated compounds was evaluated for their inhibitory effects on protein tyrosine phosphatase-1B (PTP1B), as well as their growth inhibition on MCF7. | 19836230 |