H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2
- Product Name
- H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2
- CAS No.
- 136054-22-3
- Chemical Name
- H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2
- Synonyms
- CHRP-6;HWKWFK-NH2;[D-LYS3]-GHRP-6;D-Lys3]-GHRP-6 (TFA);[HIS1, D-LYS3, LYS6]-GHRP;M.W. 930.12 C49H63N13O6;HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2;H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2;[D-LYS3]-GROWTH HORMONE RELEASING PEPTIDE;(D-Trp7,D-Lys8,D-Phe10)-a-MSH (6-11) aMide
- CBNumber
- CB0692171
- Molecular Formula
- C49H63N13O6
- Formula Weight
- 930.11
- MOL File
- 136054-22-3.mol
H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2 Property
- Boiling point:
- 1422.5±65.0 °C(Predicted)
- Density
- 1.314±0.06 g/cm3(Predicted)
- storage temp.
- −20°C
- solubility
- Soluble to 0.50 mg/ml in H2O
- form
- lyophilized powder
- pka
- 13.37±0.46(Predicted)
- Water Solubility
- Soluble in water.
- Stability:
- Hygroscopic
Safety
- WGK Germany
- 3
N-Bromosuccinimide Price
- Product number
- G4535
- Product name
- [D-Lys3]-GHRP-6
- Purity
- synthetic, lyophilized powder
- Packaging
- 5mg
- Price
- $226
- Updated
- 2024/03/01
- Product number
- J66103
- Product name
- [D-Lys3] Growth Hormone Releasing Hexapeptide
- Packaging
- 5mg
- Price
- $111
- Updated
- 2021/12/16
- Product number
- J66103
- Product name
- [D-Lys3] Growth Hormone Releasing Hexapeptide
- Packaging
- 25mg
- Price
- $407
- Updated
- 2021/12/16
- Product number
- 1922
- Product name
- [D-Lys3]-GHRP-6
- Packaging
- 5
- Price
- $150
- Updated
- 2021/12/16
- Product number
- 255091
- Product name
- [D-Lys3]-GHRP-6
- Packaging
- 5mg
- Price
- $389
- Updated
- 2021/12/16
H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2 Chemical Properties,Usage,Production
Uses
[D-Lys3]-GHRP6 has been used-
- to treat bovine somatotropes to determine the release of GH from treated cells and non-treated or control cells
- for intraperitoneal injection to groups of broiler chicken to determine the effect on feed intake, weight gain, and feed conversion ratio
General Description
[D-Lys3]-GHRP6 (growth hormone releasing peptide 6) is a synthetic analog of the orexigenic peptide hormone called ghrelin.
Biological Activity
[d-lys3]-ghrp-6 is an antagonist at the ghrelin receptor (ghs-r1a) and weakly binds to melanocortin receptors (ki = 26-120 μm).compared with ghrp-6, [d-lys3]ghrp-6 has higher affinity for all the mc receptors, especially for the mc3 and mc4 receptors. interestingly, [d-lys 3] ghrp-6 binds to the mc1 receptor with only slightly higher affinity compared with ghrp-6, which may indicate that the basic hydrophilic residue in position 8 is not important for the mc 1 receptor (as the same as he other mc receptor subtypes) [1,2]. the peptidic ghs-receptor antagonist (d-lys3)-ghrp-6 (10-4 m) antagonized ghrelin (10-7 m) weakly, showing a much weaker affinity (ic50, 0.9×10-6 m) to the ghs-receptor than ghrelin (ic50, 0.3×10-9 m). ghrelin increased the electrical activity in 76% of all cells inhibited by leptin (n=17). these data reveal that ghrelin interacts with the leptin hypothalamic network in the arcuate nucleus. leptin and ghrelin oppositely effect on neurons in the arcuate nucleus, which may serve as a neurophysiological correlate of the orexigenic and anorectic effects of them [2].
Biochem/physiol Actions
[D-Lys3]-GHRP6 (growth hormone releasing peptide 6) induces the secretion of growth hormone (GH). In the membrane of clonal GC somatotropes, this peptide elevates the number of functional voltage-gated Ca2+ and Na+ channels. Chronic treatment with this peptide causes an elevation in Na+ macroscopic current in bovine pituitary somatotropes in culture, which results in an increase in the release of GH.
in vitro
[d-lysa]ghrp-6 used similar affinities to bind to all the four mc receptors, to which the structurally related met-enkephalin and the functionally related ghurh, together with lhrh and somatostatin-14 did not bind. this (the low affinity of the gh-releasing/enkephalin peptides) may indicate that they do not interact with the mc receptors at pharmacological concentrations. [dlys3] ghrp-6 only used slightly higher affinity than ghrp-6 to bind to the mc1 receptor. [1].
in vivo
the administration of d-lys3-ghrp-6 (an antagonist of ghs receptors) alone had no significantly influence on gh secretion. oppositely, pretreatment with this antagonist efficiently inhibited the stimulatory effect of ampa and nmda on gh secretion. to confirm this contention, further experiments to evaluate different protocols (doses, times, additional ghs receptor antagonists) of administration of d-lys3-ghrp-6 are carried out. nevertheless, it is possible that ghrelin may only intervene in situations of hypo- or hypersecretion of gh but not involved in the control of basal gh secretion [2].
IC 50
0.9 μm
storage
Desiccate at -20°C
References
[1]. schith hb, muceniece r, wikberg je. characterization of the binding of msh-b, hb-228, ghrp-6 and 153n-6 to the human melanocortin receptor subtypes. neuropeptides. 1997 dec;31(6):565-71.
[2]. traebert m, riediger t, whitebread s, scharrer e, schmid ha. ghrelin acts on leptin-responsive neurones in the rat arcuate nucleus. j neuroendocrinol. 2002 jul;14(7):580-6.
[3]. pinilla l, barreiro ml, tena-sempere m, aguilar e.role of ghrelin in the control of growth hormone secretion in prepubertal rats: interactions with excitatory amino acids. neuroendocrinology. 2003 feb;77(2):83-90.
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View Lastest Price from H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2 manufacturers
- Product
- H-HIS-D-TRP-D-LYS-TRP-D-PHE-LYS-NH2 136054-22-3
- Price
- US $7.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2020-02-13