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Title: Klk9  
Author: World Heritage Encyclopedia
Language: English
Subject: Kallikrein
Publisher: World Heritage Encyclopedia


Kallikrein-related peptidase 9

Kallikrein-related peptidase 9 also known as KLK9 is an enzyme which in humans is encoded by the KLK9 gene.[1]


KLK9 belongs to the kallikrein subgroup of serine proteases, which have diverse physiologic functions in many tissues.[2][3][4] KLK9 is primarily expressed in thymus, testis, spinal cord, cerebellum, trachea, mammary gland, prostate, brain, salivary gland, ovary, and skin.[1]

Clinical significance

KLK9 is under steroid hormone regulation in ovarian and breast cancer cell lines and is a potential prognostic marker for early-stage ovarian[5] and breast cancer patients.[6]


Further reading

External links

  • The S01.307
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