Thursday, February 18, 2010

Heart Contraction and Heart Failure

From: www.sciencedaily.com "Protein Identified that Helps Heart Muscles Contract"

In class, we have been learning about the cardiovascular system and how the heart works. Published on Feb 16, 2010, UCSF researchers discovered that B1N1 is a protein necessary for proper heart muscle contraction. They confirmed the idea of the "calcium highway" theory in heart muscle contraction, and they found that the protein B1N1 is essential in making sure this process works properly. They found that when they altered the B1N1 in a heart muscle, the muscle mimicked what happened during heart failure. This is very important in understanding what goes on exactly when a heart goes into heart failure. I this article is interesting because it reiterates how the body is a careful balance between substances, and if one little thing is altered, it can have a huge effect on the body. Understanding these little balances is key in the future development of medicine, and I think this is a very interesting field of study.

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