51Թ

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troponin

[ troh-puh-nin, trop-uh- ]

noun

Biochemistry.
  1. a protein of muscle tissue that binds calcium ions and is involved in contraction.


troponin

/ ٰōə-ĭ,ٰŏə- /

  1. 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

Origin of troponin1

1965–70; tropo(myosin) ( tropo-, myosin ) + -n- (of uncertain origin) + -in 2
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Example Sentences

Examples have not been reviewed.

"My troponin levels, which is a heart attack marker, were extremely high."

From

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.

From

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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