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  1. #1
    Moderator Mr P's Avatar
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    Myostatin inhibitors
    Myostatin inibitors



    Wondering if anyone else has researched this.
    I watched a show on tv about the "World's strongest toddler" Eventhough there aren't enough data to support that this kid is "Genetically gifted"


    So I was wondering if any of u have researched this... this is so far what I found.
    Myostatin inhibitors:

    Block the action of a protein that normally regulates muscle mass, and watch your muscles grow.
    That may sound like a good idea to people with muscle-wasting diseases such as muscular dystrophy, and to older people, whose muscles naturally get smaller and weaker with age. Drugs that restrict the protein myostatin, which normally prevents muscles from being overly bulky, are currently under study, but not on the market, for some medical conditions.

    Such drugs, called myostatin inhibitors, also are stirring interest among body builders and athletes. There are already signs of a nascent black market for what might become another illegal performance-enhancing drug in organized sports.

    Now, a new University of Michigan study in mice suggests that while myostatin inhibitors may indeed bulk up muscles, they may also bring a troubling side effect – small, brittle tendons that could make muscle injuries more likely.

    “Those interested in myostatin inhibitors need to be aware of the fact that by doing these things to muscles, they may be having negative effects on tendons,” says John A. Faulkner, Ph.D., the study's senior author and professor in the Department of Molecular and Integrative Physiology at the U-M Medical School. He is also a research professor at the U-M Institute of Gerontology and professor of biomedical engineering at the U-M College of Engineering. The study results appear in the Jan. 8 print issue of the Proceedings of the National Academy of Sciences.

    When you lift weights at the gym, muscle tissue gets damaged. That sets off the release of myostatin, starting a process that clears away damaged proteins and sets the stage for muscle rebuilding, says the study's first author, Christopher L. Mendias, Ph.D. The study suggests we need normal myostatin action for other reasons, too.

    “It also appears to make tendons bigger and more flexible,” says Mendias, a U-M post-doctoral research fellow in the Regenerative Sciences Training Program in the Department of Surgery at the U-M Medical School.

    It is known that blocking myostatin's activity increases muscle mass and strength, but also makes muscle fibers more vulnerable to injury. The U-M team broke new ground by asking if myostatin also affected the make-up and performance of tendons, the fibrous, tough tissues that connect muscle to bone.

    Tendons are stiffer than muscles to begin with, and get stiffer with age. If tendons are brittle and short, as they were in myostatin-lacking mice in the study, they can't adequately do their important job of buffering against muscle injuries.

    “The tendon acts like a spring,” Faulkner says, to reduce some of the force on the muscle in a lengthening contraction. Contraction-induced injury is the most common way we injure our muscles. This type of injury already occurs frequently in people with muscular dystrophy – so short, brittle tendons could aggravate the problem if myostatin inhibitors turn out to cause the effect in people.

  2. #2
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    I saw that too, these are some animals with that too
    [IMG]who-sucks.com/wp-content/uploads/icons//2007/07/myostatin_deficient_cow.jpg[/IMG]

    [IMG]farm2.static.flickr.com/1341/727663041_d1cddd5a17_o.jpg[/IMG]

    Also, they life span is way shorter so its not exactly a gift

  3. #3
    Novice JackedinMI's Avatar
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    this has been a pretty hot topic lately...quite a bit popping up on the net

    and seen a few topics on it here as well...im sure if it does hit the black market and enough testing is done it will cost some serious $$$$$$$

    but interesting none the less

  4. #4
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    I am sure it will cost some serious cash, it will eventually drop in price.

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