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cathepsin

[kuh-thep-sin] /kəˈθɛp sɪn/
noun, Biochemistry
1.
any of a class of intracellular proteolytic enzymes, occurring in animal tissue, especially the liver, spleen, kidneys, and intestine, that catalyze autolysis in certain pathological conditions and after death.
Origin
1925-1930
1925-30; < Greek kathéps(ein) to digest (cat- cat- + hépsein to boil) + -in2
Related forms
catheptic
[kuh-thep-tik] /kəˈθɛp tɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cathepsin
  • When the imaging agent finds cathepsin-B, the enzyme cleaves off the quenching arm, freeing up the probe to glow brightly.
British Dictionary definitions for cathepsin

cathepsin

/kəˈθɛpsɪn/
noun
1.
a proteolytic enzyme responsible for the autolysis of cells after death
Word Origin
C20: from Greek kathepsein to boil down, soften
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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