Ara 290: Chemical Properties
21 PubMed CitationsExpert ReviewedGMP CertifiedLast Reviewed: April 2026
Chemical Properties
| Formula | C51H84N16O21 |
| Molecular Weight | 1257.3 g/mol |
| Synonyms | Cibinetide, ARA290, pHBSP (Pyroglutamate Helix B Surface Peptide) |
| Cas Number | 1208244-03-8 |
| Sequence | Pyr-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser-OH |
| Pubchem Cid | 91810664 |
| Monoisotopic Mass | 1256.6 Da |
| Polar Area | N/A |
| Complexity | N/A |
| X Log P | N/A |
| Heavy Atom Count | 88 |
| H Bond Donor Count | 21 |
| H Bond Acceptor Count | 27 |
| Rotatable Bond Count | 44 |
Identifiers
| Pubchem Cid | 91810664 |
| Inchi | N/A β linear peptide |
| Inchi Key | N/A β linear peptide |
| Smiles Isomeric | N/A β 11-amino acid peptide |
| Smiles Canonical | N/A β 11-amino acid peptide |
| Iupac Name | Pyroglutamyl-glutamyl-glutaminyl-leucyl-glutamyl-arginyl-alanyl-leucyl-asparaginyl-seryl-serine |
References
- Winicki NM, Nanavati AP, Morrell CH, et al. A small erythropoietin derived non-hematopoietic peptide reduces cardiac inflammation, attenuates age associated declines in heart function and prolongs healthspan. Front Cardiovasc Med, 9, 1096887, 2023.
- Brines M, Patel NS, Villa P, et al. Nonerythropoietic, tissue-protective peptides derived from the tertiary structure of erythropoietin. PNAS USA, 105(31), 10925β10930, 2008.
- Swartjes M, Morariu A, Niesters M, et al. ARA290, a peptide derived from the tertiary structure of erythropoietin, produces long-term relief of neuropathic pain. Anesthesiology, 115(5), 1084β1092, 2011.
- Dahan A, Dunne A, Swartjes M, et al. ARA 290 improves symptoms in study subjects with sarcoidosis-associated small nerve fiber loss and increases corneal nerve fiber density. Mol Med, 19(1), 334β345, 2013.
- Brines M, Dunne AN, van Velzen M, et al. ARA 290, a Nonerythropoietic Peptide Engineered from Erythropoietin, Improves Metabolic Control and Neuropathic Symptoms in study subjects with Type 2 Diabetes. Mol Med, 20(1), 658β666, 2015.
- Heij L, Niesters M, Swartjes M, et al. tolerability and efficacy of ARA 290 in sarcoidosis study subjects with symptoms of small fiber neuropathy: a randomized, double-blind pilot study. Mol Med, 18(1), 1430β1436, 2012.
- Swartjes M, van Velzen M, Niesters M, et al. ARA 290 produces long-term relief of neuropathic pain coupled with suppression of the spinal microglia response. Mol Pain, 10, 13, 2014.
- McVicar CM, Hamilton R, Colhoun LM, et al. Intervention with an erythropoietin-derived peptide protects against neuroglial and vascular degeneration during diabetic retinopathy. Diabetes, 60(11), 2995β3005, 2011.
- Culver DA, Dahan A, Bajorunas D, et al. Cibinetide Improves Corneal Nerve Fiber Abundance in study subjects With Sarcoidosis-Associated Small Nerve Fiber Loss and Neuropathic Pain. Invest Ophthalmol Vis Sci, 58(6), BIO52βBIO60, 2017.
- Lois N, Gardner E, McFarland M, et al. A Phase 2 Clinical Trial on the Use of Cibinetide for the investigation of Diabetic Macular Edema. J Clin Med, 9(7), 2225, 2020.
- Nairz M, Haschka D, Dichtl S, et al. Cibinetide dampens innate immune cell functions thus ameliorating the course of experimental colitis. Sci Rep, 7(1), 13012, 2017.
- Collino M, Benetti E, Rogazzo M, et al. A non-erythropoietic peptide derivative of erythropoietin decreases susceptibility to diet-induced insulin resistance in mice. Br J Pharmacol, 171(24), 5802β5815, 2014.
- Tokodai K, Brines M, Ericzon BG, et al. Improvement of Islet Allograft Function Using Cibinetide, an Innate Repair Receptor Ligand. Transplantation, 104(10), 2020.
- Kumagai-Braesch M, Cerami A, Ericzon BG, et al. Cibinetide Protects Isolated Human Islets in a Stressful Environment. Cell Transplantation, 30, 2021.
- Schmidt RE, Feng D, Wang Q, et al. Effect of insulin and an erythropoietin-derived peptide (ARA290) on established neuritic dystrophy in Akita diabetic mouse sympathetic ganglia. Exp Neurol, 232(2), 126β135, 2011.
- Niesters M, Swartjes M, Heij L, et al. The erythropoietin analog ARA 290 for investigation of sarcoidosis-induced chronic neuropathic pain. Expert Opin Orphan Drugs, 1, 77β87, 2013.
- Pulman KG, Smith M, Mengozzi M, et al. The erythropoietin-derived peptide ARA290 reverses mechanical allodynia in the neuritis model. Neuroscience, 233, 174β183, 2013.
- Brines M. Discovery of a Master Regulator of Injury and Healing: Tipping the Outcome from Damage toward Repair. Mol Med, 20(Suppl 1), S10βS16, 2014.
- Ahmet I, Tae H, Brines M, et al. Chronic administration of small nonerythropoietic peptide of erythropoietin ameliorates postmyocardial infarction-dilated cardiomyopathy. J Pharmacol Exp Ther, 345(3), 446β456, 2013.
- Coldewey SM, Khan AI, Kapoor A, et al. Erythropoietin attenuates acute kidney dysfunction in murine experimental sepsis by activation of the Ξ²-common receptor. Kidney Int, 84(3), 482β490, 2013.
- Muller C, Yassin K, Li LS, et al. ARA290 Improves Insulin Release and Glucose Tolerance in Type 2 Diabetic Goto-Kakizaki Rats. Mol Med, 21(1), 969β978, 2016.
Related Research Questions
Want the complete research review?
View Full Ara 290 Research PageβFOR RESEARCH USE ONLY
This content is provided for educational and informational purposes only. Products are furnished for in-vitro studies only and are not medicines, drugs, or supplements. Not approved by the FDA to prevent, treat, or cure any condition.