Buy High-Purity ARA-290 Peptide | Premium Research Grade

Unleash Next-Generation Cellular Repair with ARA-290

Amino Club ARA-290. When standard tissue recovery protocols fall short, targeted cellular signaling offers a transformative path forward. ARA-290—also recognized as Cibinetide or pyroglutamate helix B surface peptide (pHBSP)—stands out as one of the most promising non-erythropoietic peptides in modern biochemical research. Engineered specifically to selectively target the Innate Repair Receptor (IRR), ARA-290 initiates robust cellular protection and neuroregeneration without triggering unwanted red blood cell production.

At Amino Club, we deliver research-grade ARA-290 manufactured to stringent quality standards. Whether your focus is peripheral neuropathy, chronic inflammation, or tissue ischemia, our high-purity ARA-290 provides the reliable baseline required for reproducible, high-impact findings.

What is ARA-290 (Cibinetide)?

Understanding the Mechanism of Action

ARA-290 is an 11-amino-acid synthetic peptide derived from the helix B domain of erythropoietin (EPO). While native EPO stimulates both red blood cell synthesis (erythropoiesis) via classical homodimeric EPO receptors and tissue repair via the Innate Repair Receptor (IRR), ARA-290 is engineered to bind exclusively to the IRR.

The Innate Repair Receptor is a heteromer composed of erythropoietin receptor subunits and common beta subunits ($\beta cR$). It remains silent in healthy tissues but upregulates rapidly following cellular stress, hypoxia, or physical injury.

By selectively activating the IRR, ARA-290 triggers downstream signaling cascades that:

• Inhibit pro-inflammatory cytokines (including TNF-$\alpha$, IL-1$\beta$, and IL-6).

• Suppress apoptotic pathways, preventing premature cell death in compromised tissues.

• Stimulate neurite outgrowth, encouraging active nerve fiber regeneration.

Key Research Applications & Potential Benefits

1. Neuroprotection & Small Fiber Neuropathy Repair

Peripheral nerve damage—particularly Small Fiber Neuropathy (SFN)—presents significant physiological challenges. Research indicates that ARA-290 acts as a potent neuroprotective agent, actively promoting the regrowth and restoration of damaged small nerve fibers. This regenerative property makes it a primary candidate for studies investigating neuropathic pain relief and autonomic nerve function.

2. Targeted Anti-Inflammatory Pathways

Unlike broad-spectrum immunosuppressive compounds that compromise systemic immunity, ARA-290 modulates localized inflammatory responses. By suppressing NF-$\kappa$B activation and lowering systemic cytokine spikes, it creates an optimal environment for tissue recovery and metabolic stabilization.

3. Cardiovascular & Microvascular Protection

Ischemia-reperfusion injury causes severe structural stress on endothelial cells. ARA-290 stabilizes microvascular integrity, reduces oxidative stress within blood vessel walls, and protects delicate tissues during sudden ischemic events or chronic metabolic strain.

4. Absence of Erythropoietic Side Effects

A primary advantage of ARA-290 over full-length EPO is its total lack of erythropoietic activity. Researchers can investigate tissue-protective mechanisms without the risk of raising hematocrit, increasing blood viscosity, or triggering cardiovascular complications associated with elevated red blood cell counts.

Technical Specifications & Purity Assurance

Product Highlights:

• Sequence: Pyr-Glu-Glu-Leu-Gln-Trp-Glu-Arg-Glu-Asn-Glu

• Molecular Formula: $\text{C}_{62}\text{H}_{86}\text{N}_{18}\text{O}_{22}$

• Molecular Weight: ~1389.44 g/mol

• Purity: $\ge 98\%$ (Verified via HPLC)

• Form: Lyophilized powder for maximum chemical stability

• Storage Recommendations: Keep stored at $-20^\circ\text{C}$ away from moisture and light exposure.

Every batch of Amino Club ARA-290 undergoes third-party high-performance liquid chromatography (HPLC) and mass spectrometry analysis to ensure consistent sequence integrity, minimal endotoxin levels, and high biological stability.

Reconstitution & Handling Protocol

To maintain compound structural integrity during lab handling:

1. Allow the vial to reach room temperature before reconstitution.

2. Reconstitute using Bacteriostatic Water or sterile phosphate-buffered saline (PBS).

3. Swirl gently to dissolve; do not shake to avoid foaming or denaturing the peptide chains.

4. Once reconstituted, store solution at $2^\circ\text{C} – 8^\circ\text{C}$ and utilize within the recommended stability window.

Why Source Your Peptides from Amino Club?

Premium Quality Guarantee

We prioritize chemical purity, consistency, and stability above all else. When ordering from Amino Club, you avoid degradation, heavy metal contamination, or variable purity levels that compromise test validity.

Fast Shipping & Secure Packaging

All peptides are packed with thermal protection and shipped quickly to prevent exposure to ambient temperature extremes during transit.