ヘキサペプチド-2, or more commonly referred to as GHRP-6, is an α-melanocyte-stimulating hormone antagonist. Inhibiting チロシナーゼ 活動, it suppresses both the production and subsequent deposition of pigment; improving overall skin tone is one of its primary effects.
The incorporation of D-amino acids within its structure significantly enhances metabolic stability, along with strengthened receptor binding stability and affinity. Structurally similar to α-MSH itself, Hexapeptide-2 blocks this hormone’s ability to bind to its receptors – メラノサイト activity being the direct target inhibited.
As an equivalent of GHRP-6, pulsatile pituitary secretion of growth hormone is stimulated; protein synthesis, bone development (and all related repair processes), 傷の治癒, and enhancement of immune function are all positively influenced.
順序
His-Trp-Ala-Trp-Phe-Lys または H-His-D-Trp-Ala-Trp-D-Phe-Lys-NH2
CAS番号
87616-84-0
分子式
C46H56N12O6
分子量
873.014
Hexapeptide-2 Related Research
1.Potential Therapeutic Applications
Promising cosmetological potential exists as a whitening agent or a therapeutic for various forms of hyperpigmentation disorders. The antagonistic properties also suggest broader potential uses: appetite stimulation, 悪液質 improvement, and modulation of inflammation.
2.Antagonizing the α-MSH signaling pathway
Competitive receptor binding is the key mechanism; reducing メラニン synthesis is the direct outcome.
Effective skin lightening is the end result of this process. Appetite centers in the 視床下部 may be influenced, with quality of life improvements for patients with cachexia or age-related loss of appetite being a valuable secondary benefit.
3.Promoting Pulsatile Growth Hormone Secretion
Synergistic enhancement of endogenous ghrelin and suppression of somatostatin are what drive the desired pulsatile release.
This physiological pattern of release is considered a more effective therapeutic approach to avoid desensitization.
4.Stimulating Tissue and Bone Repair
Increased levels of growth hormone and IGF-1 promote mitotic and anabolic 活動, thereby stimulating tissue proliferation, 差別化, and repair.
This accelerates the repair of soft tissue and bone, promotes 線維芽細胞 proliferation and コラーゲン 合成, and enhances wound healing.
さらに, it stimulates osteoblast activity and bone matrix formation, which helps increase bone density, accelerate fracture healing, and combat age-related bone loss.
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