Dihexa

Modify Date: 2024-01-20 22:14:12

Dihexa Structure
Dihexa structure
Common Name Dihexa
CAS Number 1401708-83-5 Molecular Weight 504.662
Density 1.1±0.1 g/cm3 Boiling Point 866.2±65.0 °C at 760 mmHg
Molecular Formula C27H44N4O5 Melting Point N/A
MSDS N/A Flash Point 477.6±34.3 °C

 Use of Dihexa


Dihexa is an orally active, blood-brain barrier-permeable angiotensin IV analog; exhibits high affinity binding hepatocyte growth factor (HGF) with a Kd of 65 pM.

 Names

Name Dihexa
Synonym More Synonyms

 Dihexa Biological Activity

Description Dihexa is an orally active, blood-brain barrier-permeable angiotensin IV analog; exhibits high affinity binding hepatocyte growth factor (HGF) with a Kd of 65 pM.
Related Catalog
Target

Kd: 65 pM (HGF)[1]

In Vitro Dihexa binds with high affinity to HGF and both dihexa and its parent compound Norleucine 1-AngIV induce c-Met phosphorylation in the presence of subthreshold concentrations of HGF and augment HGF-dependent cell scattering. Further, dihexa and Nle1-AngIV induce hippocampal spinogenesis and synaptogenesis similar to HGF itself. Dihexa effectively inhibits HGF dimerization at 1 μM. While dihexa at 1 nM and 10 pM alone does not activate c-Met, it markedly augments the capacity of HGF at 1.25 and 2.5 ng/mL to activate c-Met[1].
In Vivo Dihexa has a long circulating half-life. Dihexa exhibits procognitive activity. Dihexa reverses scopolamine-dependent spatial learning deficits. It improves spatial learning in aged rats. Dihexa induces spinogenesis in cultured hippocampal neurons[2].
Animal Admin Rats: Serial dilutions of dihexa in 50% DMSO or water (for dilutions of 50 µg/mL or less) are prepared from the stock used to dose the animals to be used for preparation of a standard curve. 10 µL of each serial dilution is then added to 90 µL of blank plasma for final concentrations of 0.01, 0.02, 0.05, 0.1, 0.2, 1, 10, 20, 50, and 100 µg/mL. 80 µL of each plasma sample is transferred to previously prepared tubes containing 240 µL of ice-cold acetonitrile and vortexed vigorously. 10 µL of isotonic saline containing 100 µg/mL Nle-YI-(6) aminohexanoic amide as an internal standard is added to each sample on ice. The standard-curve plasma samples are then stored at −20°C and further processed alongside the pharmacokinetic study samples[2].
References

[1]. Benoist CC, et al. The procognitive and synaptogenic effects of angiotensin IV-derived peptides are dependent on activation of the hepatocyte growth factor/c-met system. J Pharmacol Exp Ther. 2014 Nov;351(2):390-402.

[2]. McCoy AT, et al. Evaluation of metabolically stabilized angiotensin IV analogs as procognitive/antidementia agents. J Pharmacol Exp Ther. 2013 Jan;344(1):141-54.

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 866.2±65.0 °C at 760 mmHg
Molecular Formula C27H44N4O5
Molecular Weight 504.662
Flash Point 477.6±34.3 °C
Exact Mass 504.331177
LogP 2.78
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.529
Storage condition 2-8℃

 Synonyms

L-Isoleucinamide, N-(1-oxohexyl)-L-tyrosyl-N-(6-amino-6-oxohexyl)-
Dihexa
N-Hexanoyl-L-tyrosyl-N-(6-amino-6-oxohexyl)-L-isoleucinamide
PNB-0408
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