RA10 is a high-purity ARA 290 Cibinetide EPO-derived 11-amino acid research peptide.

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Research Compliance Statement: This article is intended for reference only in university laboratories, biomedical research and development, and experimental and animal model studies. All content is based on publicly available academic literature and does not constitute any medical efficacy, health use, or diagnostic/treatment plan. It is prohibited to use it for commercial efficacy claims.

Ara-290, also known as Cibinetide or CN-101, is a structurally precisely designed synthetic 11-peptide (CAS No.: 285130-91-0). Based on the optimization of the helical B domain, this peptide is a highly innovative tool peptide in the fields of tissue repair and anti-inflammatory research. Traditional erythropoietin (EPO) molecules have both erythropoietin-stimulating and tissue-protective effects, which can easily cause experimental interference problems, such as abnormally elevated blood indicators. Ara-290, through molecular screening and modification, completely removes hematopoietic activity, retaining only highly specific tissue repair and regulatory functions, solving the core pain points of traditional EPO research experiments, and becoming a research raw material of great interest in the fields of global medicine, damage repair, and inflammation mechanism research.

From the perspective of molecular mechanism and physicochemical properties, Ara-290 has a unique targeted activation pathway, which is its core research advantage. Natural EPO primarily binds to its homologous receptors, mediating cell proliferation and differentiation. However, Ara-290 does not activate traditional hematopoietic receptors, but specifically binds to the EPOR/CD131 heterodimer complex, the body's natural repair receptor (IRR). This precise receptor targeting allows the peptide to specifically activate the body's repair, anti-inflammatory, and anti-apoptotic signaling pathways without affecting hematopoietic system function. Experimental variables are highly controllable with minimal interference. Research-grade Ara-290 is a white lyophilized powder with excellent water solubility and a purity ≥98% (HPLC). It has low impurity content and stable biological activity, making it suitable for high-precision cell experiments and in vivo animal model experiments. The product should be stored in a sealed, light-protected container at -20°C. The powder form exhibits good long-term stability. Aqueous solutions should be prepared and used immediately, or aliquoted and frozen to avoid activity loss due to repeated freeze-thaw cycles. Suitable for various long-term research projects.

Protection and damage repair are the core research directions of Ara-290 and are currently the most mature research areas. Numerous in vitro neural cell experiments and animal model studies have confirmed the significant interventional value of Ara-290 in treating small nerve fiber injury and degenerative damage. This peptide effectively protects the peripheral and central nervous systems by activating survival signaling pathways, inhibiting apoptosis pathways, and reducing oxidative stress and inflammatory damage. It provides a core molecular tool for mechanistic studies and target validation in classic research models of peripheral and central nervous system injury, sarcoidosis, and chronic stress. Ara-290 intervention has shown increased fiber density, reduced biomarkers, improved conduction function, and reduced fiber defects and degenerative diseases. Simultaneously, this peptide can also regulate the TRPV1 channel, participating in the regulation of pain signals, making it an important material for mechanistic studies.

The potential anti-inflammatory and oxidative stress-regulating effects of Ara-290 are its core research characteristics, giving it broad application prospects in the field of multi-organ injury research. Chronic low-grade inflammation and oxidative stress imbalance are core causes of tissue damage, organ disease, and metabolic disorders. Scientific experiments have shown that Ara-290 can significantly downregulate the release of pro-inflammatory factors such as TNF-α and IL-6, inhibit the spread of the inflammatory cascade, enhance the body's antioxidant levels, scavenge reactive oxygen species, and reduce lipid peroxidation damage. Unlike traditional anti-inflammatory research materials, Ara-290 does not directly block inflammatory factors, but rather activates natural repair receptors, awakens the body's own homeostatic repair mechanisms, inhibits excessive inflammatory responses at their source, and regulates the balance of immune inflammation. In chronic stress inflammation, ischemia-reperfusion injury, and organ ischemia-reperfusion injury models, this peptide has shown stable anti-inflammatory and repair activities, making it an ideal choice for interdisciplinary research on inflammation and tissue injury.

Organ protection and ischemia-reperfusion injury repair are promising research directions for Ara-290, especially in the field of injury research.