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Myofibrils in Medical News

JCI table of contents: Sept. 4, 2007

...oil the muscle Skeletal and heart (cardiac) muscles are composed of muscle fibers that contain many myofibrils, the contractile unit of muscles. myofibrils are, in turn, built of many repeating units known as sarcomeres. As the proteins of the sarcomere are therefore crucial for muscle contraction, their ...
Myofibrils in Medical Technology

FAU Receives Patent for Invention Which Induces and Restores Cardiac Muscle Function

...an axolotls (salamanders), these researchers identified a major protein that was deficient in these axolotl hearts which prevented the organization of myofibrils (contractile machinery) and the ability to beat. Using these findings, Lemanski, Zhang and their colleagues were able to show that this mutant defect ...
Myofibrils in Medical Dictionary

Muscle

... myosin filaments. ... Muscle cells are specialized to generate force and movement. ... Skeletal muscle cells have longitudinal bundles called myofibrils in the cytoplasm. ... The muscle cell is usually referred to as a fiber. There are three kinds of muscle in mammals: smooth, skeletal, and ...
Myofibrils in Biological News

Media highlights in the Dec. 15 issue of Biophysical Journal

... RNA Sciences, NIST, and the National Science Foundation. Non-Linear Force-Length Relationship in the ADP-Induced Contraction of Skeletal myofibrils Yuta Shimamoto, Waseda University Fumiaki Kono, Waseda University Madoka Suzuki, Consolidated Research Institute for Advanced Science and Medi...

First direct mechanical communication of mitochondria, cardiomyocyte nucleus shown

...e that "the existence of such mechanical signaling between mitochondria and myofibrils opens a new possibility to search for drugs capable of increasing cardiac c... myocyte, that "mitochondria could push and compress nearby structures like myofibrils and modulate their functional properties." This additional evidence of i...
Myofibrils in Biological Definition

Muscle

... muscle cells (sometimes known as "muscle fibers"). Within the cells are myofibrils ; myofibrils contain sarcomeres , which are composed of actin and myosin . Individua...

Myosin

...ransduction process are still not known. The Muscle is composed of single muscle cells (sometimes known as "muscle fibers"). Within the cells are myofibrils ; the basic unit of a the contractile apparatus of a myofibril is the sarcomere , which is composed of three different filament systems, the thin fi...
Myofibrils in Biological Dictionary

Myofibrils

Myofibrils are cylindrical organelles. They are found within muscle cells. They are bundles of actomyosin filaments that run from one end of the cell to the other and are attached to the cell surface membrane at each end. song lyrics ... Myofibrils [ previous song / next song ] ... It ...

Smooth muscle

...ar smooth muscle refers to the particular type of smooth muscle found within, and composing the majority of the wall of blood vessels. The myofibrils of smooth muscle cells are not arranged into sarcomeres. ... In contrast, smooth muscle occurs at various scales in almost every organ, fro...

Sarcoplasm

...oyster toadfish Opsanus tau proliferate ... surround a central core of sarcoplasm . ... The sarcoplasm of the cell is filled with contractile myofibrils and this ... 4) Ca+2 is pumped out of the sarcoplasm by the SR and another stimulus will be ... ...

Muscle

...ervous control ... Muscle cells are specialized to generate force and movement. ... Skeletal muscle cells have longitudinal bundles called myofibrils in the cytoplasm. ... Version 4 is an experimental version of MUSCLE based on a new algorithm. ... Edgar, Robert C. (2004), MUSCLE : multiple ...
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