| Bioactivity | TCS 401 is a selective inhibitor of protein tyrosine phosphatase 1B (PTP1B). |
| Invitro | TCS-401 (0.5, 1, 2 μM) significantly increases the proliferation of RPE cells. TCS-401 significantly increases the expression of cyclin A and cyclin D1 at the concentrations of 1 and 2 μM in a concentration-dependent manner. TCS-401 at concentrations of 0.5, 1, and 2 μM significantly increases phosphorylation of Erk and Akt compared to the control group. The activation of Erk and Akt by TCS-401 is blocked by pretreatment with PD98059 and LY294002, respectively. CS-401 treatment activates the MEK/Erk and PI3K/Akt signaling pathways and induces proliferation, differentiation, and migration in RPE cells[1]. CS-401 dose dependently inhibits the RPTC-Sup-induced reduction of fibronectin and α-SMA. At 1 μM, TCS-401 reverses the levels of fibronectin and α-SMA about onefold and at a dose of 2 μM, TCS-401 brings back fibronectin and α-SMA expression to near normal levels[2]. |
| Name | TCS 401 |
| CAS | 243966-09-8 |
| Formula | C10H11ClN2O5S |
| Molar Mass | 306.72 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
| Reference | [1]. Du ZD, et al. Protein tyrosine phosphatase 1B regulates the activity of retinal pigment epithelial cells. Mol Vis. 2015 May 1;21:523-31. [2]. Ponnusamy M, et al. Necrotic renal epithelial cell inhibits renal interstitial fibroblast activation: role of protein tyrosine phosphatase 1B. Am J Physiol Renal Physiol. 2013 Mar 15;304(6):F698-709. |