Tensin-2 (TNS2)

Tensin-2 (TNS2) is a focal adhesion protein and adaptor that connects the cellular cytoskeleton to the extracellular matrix by interacting with actin filaments and β integrin tails through its phosphotyrosine-binding (PTB) domain[2][5]. Tensin-2 contains both protein tyrosine phosphatase (PTP) and C1 domains, which differentiate it among tensin family members, and also harbors SRC homology 2 (SH2) and PTB domains facilitating interaction with phosphorylated proteins and integrins[1][3][4]. It regulates key cellular functions such as adhesion, proliferation, migration, and signaling, and has distinct roles in suppressing tumorigenesis (primarily via inhibition of IRS1/Akt signaling), as well as maintaining kidney glomerular filtration function[1][4][5]. Dysregulation or mutation of TNS2 has been implicated in cancer progression (with both tumor-promoting and suppressive contexts), as well as in nephrotic syndrome models[1][4]. While not currently a direct therapeutic target, understanding its modulation of critical signaling pathways and cell-ECM contact may offer future intervention strategies.

Other names

Tensin-2TNS2KIAA1075TENC1C1-TENC1 domain-containing phosphatase and tensin homologTensin-like C1 domain-containing phosphataseC1TEN

Since no specific drugs targeting Tensin-2 are clinically documented, mechanisms of action are not established. However, modulation is hypothesized via influencing focal adhesion dynamics, integrin signaling, and IRS1/Akt pathways in cell culture models.