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This paper will focus on the rationale of using Growth Hormone (GH) as an anti-ageing therapy in the healthy elderly with age-related decline in the activity of the GH/IGF-I axis, the so called “somatopause”. Although the age-related decline in the activity of the GH/IGF-I axis is considered to contribute to age-related changes similar to those observed in Growth Hormone Deficient (GHD) adults, GH/IGF-I...
Current guidelines for the diagnosis of adult growth hormone deficiency (GHD) state that the diagnosis must be proven biochemically by provocative testing that is done within the appropriate clinical context. The need for reliance on provocative testing is based on evidence that the evaluation of spontaneous growth hormone (GH) secretion over 24 h and the measurement of IGF-I and IGFBP-3 levels do...
Aim of the present study was to further clarify the negative GH auto-feedback mecha-nisms in childhood. To this goal we studied the effects of rhGH and/or GHRH administration on the GH response to GHRH or hexarelin (HEX), a peptidyl GH secretagogue, in normal short children. In 34 prepubertal children (12 girls and 22 boys, age 8.2- 14.2 yr) with normal short stature (normal height velocity and IGF-I...
The mechanisms underlying the reduction in the GH-releasing activity of GHRPs in aging are still unclear. Aim of our study was to verify in man whether age-related impairment of the neurohormonal control of GH secretion and/or receptor alterations are involved in the reduced GH response to GHRPs in aging. To this goal, in 16 normal elderly subjects (E, 66–81 yr) and 12 young controls (Y, 24–28 yr)...
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