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Exercise in a pill?

Timeless Fitness Tip

Scientists at the University of Texas Southwestern Medical Center have identified a protein enzyme that, when overactive, produces the muscular effects of aerobic exercise - without the exercise.

Exercise in a pill?

They think that someday they will be able to isolate the enzyme and put it in a pill. Called calmodulin-dependent protein kinase (CaMK), the enzyme transforms fast-twitch muscle fibers to slow-twitch muscle fibers, which are much less likely to fatigue and are necessary for endurance.

The protein kinase is an enzyme that can transfer a phosphate group from a donor molecule to an amino acid residue of a protein.

According to a researcher at the UTSMC, the drug is decades away from being developed and marketed, but when it is available, it will likely only be prescribed to those who really need it - like those with congestive heart failure.

Evidence assembled over the past decade supports a view that activation of the multifunctional Ca2+ and calmodulin-dependent protein kinase II (CaMKII) favors myocardial dysfunction and cell membrane electrical instability. (Source: American Heart Association)

This study doesn't do much for us now, but it is news-worthy because it is one of many products currently under scrutiny to help the ever-increasing problem of obesity we face today and shows progress is definitely under way.

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