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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Synthetic hpGRF 1-40 stimulates growth hormone and inhibits prolactin secretion in normal children and children with isolated growth hormone deficiency.

Intravenously administered synthetic hpGRF 1-40 at doses of 0.1, 0.33 and 1.0 microgram/kg increased plasma GH in a dose-dependent fashion in 4 normal prepubertal children. hpGRF 1-40 at the dose of 1.0 microgram/kg stimulated GH release, though to a lesser extent than in normals, in 7 children with isolated GH-deficiency (IGHD) but failed to do so in a patient with craniopharyngioma. In all normal children and 6/7 patients with IGHD, hpGRF 1-40 at all doses used induced a clear and sustained lowering of plasma prolactin levels; this effect was lacking in the patient with craniopharyngioma. hpGRF 1-40 had no effect on plasma FSH, LH, TSH or glucose levels nor did it influence pulse rate, blood pressure, or body temperature. These results indicate that hpGRF 1-40 is a potent stimulus to GH release in normal prepubertal children and holds promise for treatment of GH-deficient children. In addition, in both normal children and children with IGHD, hpGRF 1-40 is a potent suppressor of prolactin levels.[1]

References

  1. Synthetic hpGRF 1-40 stimulates growth hormone and inhibits prolactin secretion in normal children and children with isolated growth hormone deficiency. Pintor, C., Fanni, V., Loche, S., Locatelli, V., Cella, S.G., Villa, F., Minuto, F., Corda, R., Müller, E.E. Peptides (1983) [Pubmed]
 
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