Clinically active bovine growth hormone fraction

Details Clinically active bovine growth hormone fraction Clinically active bovine growth hormone fraction

1975-05-02

1977-11-01

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260112R, 424177, C07C10352, A61K 3700

Patent

active

040565203

ABSTRACT:
A clinically active component (TBGH-d) of a tryptic digest of bovine growth hormone (BGH) found to be homogeneous by disc electrophoresis and sedimentation equilibrium and having substantially the same molecular weight and amino acid composition as BGH was separated into two fractions, A-I and A-II, by dextran gel filtration in 50% acetic acid. The amino acid analysis of the A-I and A-II fractions accounted for all the amino acids in the TBGH-d. The biological activity of the A-II fraction was found to be about 10-30% of TBGH-d. This fraction, having a molecular weight of about 5000 and an amino acid content or chain length of 38 amino acids, appears to exhibit human growth hormone-like activity. This fraction also appears to have wider applicability than simply being useful for the acceleration of somatic growth in humans. For example, this fraction would appear to have utility in promoting increased function and growth in an impaired liver and in effecting tissue regeneration, such as the promotion of healing of stress ulcers. It would also appear that this fraction has utility in the stimulation of protein synthesis to increase immunological competence and in wound and fracture healing. Also, it would appear that this fraction has utility in non-human applications, e.g., for increasing milk production, for increasing wool production and for accelerating animal growth.

REFERENCES:
patent: 3317400 (1967-05-01), Reusser
Sonenberg et al.; Ann. N.Y. Acad. Sci., 148(2), 532-558 (1968).

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