export protein; required for the transport of small RNAs and double-stranded RNA-binding proteins from the nucleus to the cytoplasm. The encoded protein translocates cargo through the nuclear pore complex in a RanGTP-dependent process.
ohne Gefährdungspotential
The siRNA knockdown of XPO5 resulted in reduced cellular proliferation, attenuated invasion, induction of G1-S cell-cycle arrest, and downregulation of key oncogenic miRNAs in colorectal cancer cells. These findings were confirmed in a xenograft animal model, wherein silencing of XPO5 resulted in the attenuation of tumor growth. Ectopic expression of XPO5 significantly suppressed hepatocellular carcinoma (HCC) cell proliferation, colony formation, growth in soft agar, and tumorigenicity in nude mice, whereas knockdown of XPO5 by RNA inference showed opposite phenotypes. Moreover, XPO5 knockdown promoted HCC cell migration.
Die ursächliche Beteiligung an der Entstehung von Tumoren ist nicht gezeigt.
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