Description
Mechanism: The Innate Repair Receptor (IRR)
The pharmacological value of ARA-290 lies in its high specificity for the Innate Repair Receptor (IRR).
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Selective Binding: Unlike native EPO, which binds to homodimeric receptors to stimulate red blood cell production, ARA-290 selectively binds to the EPO-R/CD131 heterocomplex. This receptor complex is typically upregulated on cell surfaces only during times of metabolic stress or tissue injury.
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Non-Hematopoietic Action: A critical advantage of ARA-290 in research models is its non-hematopoietic profile. It initiates tissue repair signaling cascades without stimulating erythropoiesis (red blood cell production). This allows researchers to investigate high-dose neuroprotection without the confounding variable of elevated hematocrit or increased blood viscosity.
Primary Research Targets
ARA-290 is currently the subject of extensive investigation in the following areas:
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Small Fiber Neuropathy (SFN): Preclinical studies explore the peptide’s ability to promote nerve fiber regeneration. Research focuses on the quantification of intraepidermal nerve fiber density (IENFD) following administration.
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Allodynia & Pain Modulation: In animal models of neuropathic pain (including Sarcoidosis-associated neuropathy), ARA-290 is observed to influence nociceptive thresholds, potentially reducing mechanical allodynia.
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Metabolic Syndrome: Investigations suggest the peptide may antagonize inflammatory cytokines (such as TNF-alpha), offering a pathway for researching inflammation-induced insulin resistance.
This research peptide undergoes rigorous quality control and stability testing to ensure maximum integrity for scientific applications. Each batch is manufactured under strict laboratory conditions and verified through independent laboratory analysis.
⚠️ FOR RESEARCH PURPOSES ONLY
This product is strictly for in-vitro laboratory research, analysis, and development. It is not intended for human consumption, injection, or therapeutic use. ARA-290 (Cibinetide) is not a drug, dietary supplement, or food. All statements regarding the physiological mechanisms of this peptide are based on preclinical animal and cell-culture studies and are provided for educational and informational purposes only.
Technical Specifications
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Sequence: pyroGlu-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser
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Purity: ≥99% (HPLC Verified)
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Molecular Weight: ~1257 g/mol
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CAS Number: 1208243-50-8
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Form: Lyophilized White Powder
Handling & Storage Protocol
While ARA-290 exhibits good stability, standard peptide handling protocols apply to ensure experimental integrity.
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Reconstitution: Reconstitute with Bacteriostatic Water (0.9% Benzyl Alcohol) to ensure sterility.
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Storage: Store lyophilized vials at -20°C. Once reconstituted, the solution should be stored at 4°C and used within 28 days to prevent degradation.













