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troponin
[ troh-puh-nin, trop-uh- ]
noun
Biochemistry.
- a protein of muscle tissue that binds calcium ions and is involved in contraction.
troponin
/ ٰō′ə-ĭ,ٰŏ′ə- /
- One of the proteins that make up the thin filaments of muscle tissue and that regulate muscle contraction and relaxation. Troponin occurs in three forms bound together in a complex. One of the three forms is a receptor of calcium ions that induces structural changes that allow the actin in the thin filaments to interact with myosin, causing contraction.
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51Թ History and Origins
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Example Sentences
Examples have not been reviewed.
"My troponin levels, which is a heart attack marker, were extremely high."
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Eckle has used light therapy with patients after surgery and seen positive results including lower levels of troponin, a key protein whose elevation can signal a heart attack or stroke.
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The thin filament consists of F-actin, troponin, tropomyosin, and nebulin.
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Chronic heart problems and other preexisting conditions might be to blame in 18 cases, but for the other 22 cases—2.8% of participants, women and men—Müller believes the vaccine caused troponin levels to rise.
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The good news: In both studies, troponin levels quickly fell to normal.
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