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Somatopause is the progressive decline in the levels of growth hormone (GH) and insulin-like growth factor 1 (IGF-1), hormones of the hypothalamic–pituitary–somatotropic axis (HPS axis), with age. [1] Secretion of GH may only be 60% of that of a young adult by age 70 years. [2]
Growth hormone (GH) or somatotropin, also known as human growth hormone (hGH or HGH) in its human form, is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals. It is thus important in human development.
Diagnosis involves blood tests to measure growth hormone levels. [2] Treatment is by growth hormone replacement using synthetic human growth hormone. [1] The frequency of the condition is unclear. [2] Most cases are initially noticed in children. [1] The genetic forms of this disease are estimated to affect about 1 in 7,000 people. [3]
It is a key mediator of anabolic activities in numerous tissues and cells, such as growth hormone-stimulated growth, metabolism and protein translation. [17] Due to its participation in the GH-IGF-1 axis it contributes among other things to the maintenance of muscle strength, muscle mass, development of the skeleton and is a key factor in brain ...
Saizen is a commercial preparation of synthetic somatropin (growth hormone, a.k.a. GH) used for growth hormone treatment.Manufactured by Merck Serono, Saizen is produced by recombinant DNA technology from a mammalian cell line (mouse C127) that was modified by the addition of the human GH gene, resulting in an identical 191-amino acid sequence and structure.
About 42% of adults are vitamin D deficient. That's a problem for many reasons: vitamin D deficiency has been linked to depression, mood swings, chronic skin conditions, lack of energy, and more.
Growth hormone–releasing hormone (GHRH), also known as somatocrinin among other names in its endogenous form and as somatorelin in its pharmaceutical form, is a releasing hormone of growth hormone (GH). It is a 44 [1]-amino acid peptide hormone produced in the arcuate nucleus of the hypothalamus.
If there is an excess of growth hormone, it is usually because of over-secretion of somatotrope cells in the anterior pituitary gland. A significant amount of excess somatotrope secretion before puberty or before the end of new bone tissue growth can lead to gigantism, a disease that causes excess growth of body (e.g. being over 7 ft. tall) and unusually long limbs.