kallikrein
noun
kal·li·kre·in
ˌka-lə-ˈkrē-ən 
kə-ˈli-krē-ən
kə-ˈli-krē-ən
: a hypotensive protease that liberates kinins from blood plasma proteins and is used therapeutically for vasodilation
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However, the process of harvesting these therapeutically useful molecules from donor blood can yield preparations contaminated with another, potentially dangerous blood protein known as pre-kallikrein activator.
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Scientific American, 10 Dec. 2019
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Scientific American, 10 Dec. 2019
Cite this Entry
“Kallikrein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kallikrein. Accessed 13 Jul. 2025.
Copy CitationMedical Definition
kallikrein
noun
kal·li·kre·in
ˌkal-ə-ˈkrē-ən
kə-ˈlik-rē-ən
kə-ˈlik-rē-ən
: a hypotensive protease that liberates kinins from blood plasma proteins and is used therapeutically for vasodilation
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