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Thread: types of HGH

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    hocoathlete's Avatar
    hocoathlete is offline Associate Member
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    types of HGH

    can yall give me all the types of growth hormones? and which ones is the best. I'm about to start researching them so yeah thanks for the help.

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    Pinnacle's Avatar
    Pinnacle is offline AR-Hall of Famer ~ Cocky motherF*cker!
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    Types?There are 191 aa...and 192aa...as far as brands go..keep researching like you said you were.You can find all your answers using the search feature.

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    hocoathlete's Avatar
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    thanks bro, im just getting into learning about growth hormones and a bit confused with like types and brands are.

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    SPIKE's Avatar
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    Quote Originally Posted by hocoathlete
    thanks bro, im just getting into learning about growth hormones and a bit confused with like types and brands are.

    Searching this board alone will answer those questions.............

  5. #5
    oswaldosalcedo's Avatar
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    Quote Originally Posted by Jayhova
    Searching this board alone will answer those questions.............
    correct !

    oswaldosalcedo
    hgh classes
    http://forums.steroid.com/showthread.php?t=198454


    ------ Description--------------Chain Length(amino acids)--Molecular Mass

    Human 22-kD-hGH -------------------- 191------------------22125
    Human 20-kD-hGH -------------------- 176 -----------------20270
    Human Recombinant r-hGH -------------191------------------22125
    Human Recombinant Met-hGH*,^ ------192------------------22256
    Human Recombinant des-Phe1-hGH* ---190------------------21978.



    *no longer allowed in the European Union.
    ^ somatrem

    -----------------------------------

    Growth hormone heterogeneity: genes, isohormones, variants, and binding proteins.


    Department of Medicine, Northwestern University Medical School, Chicago, Illinois 60611.

    Human GH represents a family of proteins rather than a single hormone. The circulation contains a bewildering array of GH forms, including several monomeric variants, their homo- and heteropolymers, fragments, and complexes with at least two BPs. The net biological activity of this mixture is difficult to predict, as the various molecular forms interact as partial agonists and/or antagonists at the receptor level. The number of GH forms that can be counted in plasma exceeds 100. Table 5 attempts to illustrate what is known and provide estimates for circulating variants. It does not include GH-V and its variants, which have to be added in pregnancy. Of note, what is commonly understood as "plasma GH," i.e. free monomeric 22K, represents only 21% of total immunoreactivity in plasma. In view of this complicated picture, it should be no surprise that different assays of plasma GH yield different results (107, 108, 290). While immunoassays are relatively unaffected by the BPs (291), receptor assays are seriously affected by the high affinity BP (261). Immunoassays, particularly of the monoclonal variety, are vulnerable to differential recognition of molecular variants depending on the unique epitope specificity of the antibody used. Polyclonal assays are more robust in this regard because of "epitope averaging" among the wide spectrum of epitope specificities present in the antibody population. Future work should aim at developing antibodies that are specific for individual GH variants. Such molecular probes will be helpful not only in standardizing immunoassays, but also in delineating the biological role of the various GH forms. The physiological significance of the numerous GH forms (or of the BPs) is still largely unknown. Progress in this area has been hampered, on the one hand, by the unavailability of pure GH variants in quantities sufficient for biological studies, and, on the other, by a certain lack of interest stemming from suspicions about artifacts. The recent resurgence of interest in GH and in its receptor and BPs should also refocus attention on the various molecular forms. Thus far, this interest has been largely confined to monomeric 22K, which is certainly effective for its original intended purpose, namely growth promotion. Whether 22K is sufficient for optimal growth and development, or whether it can fulfill all the functions of the GH family is unknown. It can be argued that evolutionarily conserved GH variants probably have biological importance.

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