Date published: 2025-12-27

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Cyclo(-His-Pro) (CAS 53109-32-3)

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Alternate Names:
3-(1H-imidazol-5-ylmethyl)-2,3,6,7,8,8a-hexahydropyrrolo[1, 2-a]pyrazine-1,4-dione
Application:
Cyclo(-His-Pro) is a cyclic dipeptide containing histidine and proline
CAS Number:
53109-32-3
Molecular Weight:
234.26
Molecular Formula:
C11H14N4O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Cyclo(-His-Pro) is a cyclic dipeptide composed of the amino acids histidine and proline. It is involved in signaling pathways related to cell growth, differentiation, and immune response. The presence of Cyclo(-His-Pro) can modulate the activity of certain enzymes and receptors, influencing cellular processes such as gene expression and protein synthesis. This dipeptide plays a role in regulating the release of certain hormones and neurotransmitters. Cyclo(-His-Pro) has antioxidant properties, protecting cells from oxidative damage. Its ability to interact with specific cellular targets makes it an important molecule in understanding the mechanisms of cellular function and response to external stimuli.


Cyclo(-His-Pro) (CAS 53109-32-3) References

  1. Focus on cyclo(His-Pro): history and perspectives as antioxidant peptide.  |  Minelli, A., et al. 2008. Amino Acids. 35: 283-9. PMID: 18163175
  2. Cyclo(His-Pro) promotes cytoprotection by activating Nrf2-mediated up-regulation of antioxidant defence.  |  Minelli, A., et al. 2009. J Cell Mol Med. 13: 1149-61. PMID: 18373731
  3. Cyclo(His-Pro) up-regulates heme oxygenase 1 via activation of Nrf2-ARE signalling.  |  Minelli, A., et al. 2009. J Neurochem. 111: 956-66. PMID: 19735445
  4. Cyclo(His-Pro) exerts anti-inflammatory effects by modulating NF-κB and Nrf2 signalling.  |  Minelli, A., et al. 2012. Int J Biochem Cell Biol. 44: 525-35. PMID: 22185821
  5. Neurobiology of cyclo(His-Pro).  |  Prasad, C. 1989. Ann N Y Acad Sci. 553: 232-51. PMID: 2541650
  6. The Role of Cyclo(His-Pro) in Neurodegeneration.  |  Grottelli, S., et al. 2016. Int J Mol Sci. 17: PMID: 27529240
  7. Zinc plus cyclo-(His-Pro) promotes hippocampal neurogenesis in rats.  |  Choi, BY., et al. 2016. Neuroscience. 339: 634-643. PMID: 27773743
  8. Metabolic relationship between diabetes and Alzheimer's Disease affected by Cyclo(His-Pro) plus zinc treatment.  |  Song, MK., et al. 2017. BBA Clin. 7: 41-54. PMID: 28070499
  9. Potential Influence of Cyclo(His-Pro) on Proteostasis: Impact on Neurodegenerative Diseases.  |  Grottelli, S., et al. 2018. Curr Protein Pept Sci. 19: 805-812. PMID: 29708066
  10. Cyclo(His-Pro) inhibits NLRP3 inflammasome cascade in ALS microglial cells.  |  Grottelli, S., et al. 2019. Mol Cell Neurosci. 94: 23-31. PMID: 30439413
  11. Is all cyclo(His-Pro) derived from thyrotropin-releasing hormone?  |  Prasad, C., et al. 1987. Neurochem Res. 12: 767-74. PMID: 3118225
  12. Cyclo(His-Pro): its distribution, origin and function in the human.  |  Prasad, C. 1988. Neurosci Biobehav Rev. 12: 19-22. PMID: 3287238
  13. Cyclo(His-Pro) Exerts Protective Carbonyl Quenching Effects through Its Open Histidine Containing Dipeptides.  |  Regazzoni, L., et al. 2022. Nutrients. 14: PMID: 35565743

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Cyclo(-His-Pro), 25 mg

sc-294122
25 mg
$165.00

Cyclo(-His-Pro), 50 mg

sc-294122A
50 mg
$258.00

Cyclo(-His-Pro), 100 mg

sc-294122B
100 mg
$320.00

Cyclo(-His-Pro), 250 mg

sc-294122C
250 mg
$620.00