Serine peptidase inhibitor Kazal type 8 (SPINK8)

Serine peptidase inhibitor Kazal type 8 (SPINK8) is a predicted serine-type endopeptidase inhibitor belonging to the Kazal-type serine peptidase inhibitor family. Its function involves negative regulation of protease activity, especially serine proteases, and it is likely to be located extracellularly. SPINK8 is expressed in multiple tissues. While well-characterized roles exist for other SPINK family members in cancer and inflammation, SPINK8’s biological and disease involvement remains less studied. Recent high-throughput transcriptomic analysis suggests differential expression in certain cancers (e.g., reduced expression in carcinoma tissues compared to normal), with potential links to immune infiltration and tumor prognosis. There is currently no evidence of drugs directly interacting with SPINK8, nor established mechanisms of drug action, safety challenges, or routine use as a biomarker, though it has some suggestive diagnostic/prognostic value in bioinformatic analyses.

Other names

Serine peptidase inhibitor Kazal type 8Serine protease inhibitor Kazal-type 8SPINK8ISK8_HUMAN

Mechanisms would involve inhibition of serine proteases and modulation of proteolytic pathways; since no drugs are documented that directly target SPINK8, none are listed.