Fight or flight response may hinge on protein in skeletal muscular system


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Researchers at the University of Cincinnati say a regulatory protein found in skeletal muscle fiber may play an important role in the body’s fight or flight response when encountering stressful situations.

The protein, fast skeletal myosin binding protein-C (fMyBP-C), plays a foundational role in the proper regulation of contractile structure and function in the body’s fast twitch muscles — these muscles produce sudden bursts of power to sprint into action, jump or lift heavy objects. Fast skeletal myosin binding protein-C modulates the speed and force of fast skeletal muscle contraction.



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