Growth Hormone (GH), also known as somatotropin, is a vital peptide hormone that plays a critical role in human growth, metabolic processes, and body composition. Produced and secreted by the anterior pituitary gland, GH stimulates growth in almost all tissues, including bone and muscle, by encouraging protein synthesis and cell division. Its secretion follows a pulsatile pattern controlled by the intricate interplay of hypothalamic hormones: Growth Hormone-Releasing Hormone (GHRH) promotes GH synthesis and release, while somatostatin inhibits it. Additionally, GH secretion can be influenced by various physiological stimuli such as sleep, exercise, and nutritional status, with factors like low blood glucose levels, fasting, and increased amino acid uptake all known to upregulate GH production.
A diverse array of chemical compounds can potentially induce the expression of GH, each interacting with the endocrine system in a unique manner. Arginine, for example, is an amino acid that can enhance GH expression by stimulating the secretion of GHRH. Similarly, substances like L-Dopa, which is a precursor to dopamine, have been shown to increase the pulsatile release of GH, presumably through dopaminergic pathways. Compounds such as MK-677 mimic the action of ghrelin, a natural endogenous secretagogue, and are capable of binding to ghrelin receptors, thereby promoting GH release. Hexarelin, another synthetic molecule, functions as a potent secretagogue for GH, targeting specific receptors to stimulate the hormone's release. Environmental factors such as the circadian rhythm influence GH expression as well, with melatonin playing a role in the nocturnal surge of hormone release, and compounds like Triiodothyronine (T3) may enhance GH expression by increasing metabolic demands. These activators operate through a complex network of biological signals, often involving feedback loops and interactions with other hormones within the endocrine system.
Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
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L-Arginine | 74-79-3 | sc-391657B sc-391657 sc-391657A sc-391657C sc-391657D | 5 g 25 g 100 g 500 g 1 kg | $20.00 $30.00 $60.00 $215.00 $345.00 | 2 | |
L-Arginine can stimulate the release of GHRH from the hypothalamus, leading to an upregulation of GH synthesis in the anterior pituitary cells. | ||||||
Levodopa | 59-92-7 | sc-205372 sc-205372A | 5 g 25 g | $53.00 $168.00 | 9 | |
Levodopa is converted to dopamine in the brain, which then stimulates the dopamine receptors to increase the pulsatile release of GH from the pituitary gland. | ||||||
Clonidine | 4205-90-7 | sc-501519 | 100 mg | $235.00 | 1 | |
Clonidine acts on central alpha-2 adrenoceptors to increase GH secretion by promoting GHRH release and inhibiting somatostatin, which suppresses GH. | ||||||
Salbutamol | 18559-94-9 | sc-253527 sc-253527A | 25 mg 50 mg | $92.00 $138.00 | ||
Salbutamol, a beta-2 adrenergic agonist, can induce GH secretion by binding to beta-2 receptors, which leads to adenylate cyclase activation and GH gene transcription. | ||||||
Insulin | 11061-68-0 | sc-29062 sc-29062A sc-29062B | 100 mg 1 g 10 g | $153.00 $1224.00 $12239.00 | 82 | |
Insulin-induced hypoglycemia can stimulate a compensatory release of GH, which serves to regulate glucose uptake and maintain blood sugar levels. | ||||||
β-Estradiol | 50-28-2 | sc-204431 sc-204431A | 500 mg 5 g | $62.00 $178.00 | 8 | |
β-Estradiol can upregulate GH by increasing the amplitude of GHRH-induced GH pulses, enhancing the responsiveness of the pituitary to GHRH. | ||||||
Rimonabant | 168273-06-1 | sc-205491 sc-205491A | 5 mg 10 mg | $72.00 $160.00 | 15 | |
Rimonabant, a selective CB1 receptor antagonist, can increase GH secretion by inhibiting the endocannabinoid system that normally suppresses GH release. | ||||||
Melatonin | 73-31-4 | sc-207848 sc-207848A sc-207848B sc-207848C sc-207848D sc-207848E | 1 g 5 g 25 g 100 g 250 g 1 kg | $64.00 $72.00 $214.00 $683.00 $1173.00 $3504.00 | 16 | |
Melatonin can induce the nocturnal release of GH by acting on the suprachiasmatic nucleus, which regulates the circadian rhythm of GHRH and somatostatin. | ||||||
L-3,3′,5-Triiodothyronine, free acid | 6893-02-3 | sc-204035 sc-204035A sc-204035B | 10 mg 100 mg 250 mg | $40.00 $75.00 $150.00 | ||
Triiodothyronine (T3) can stimulate GH expression by enhancing the body's metabolic demands, which is often accompanied by an upregulation of GH to stimulate tissue growth and energy utilization. |