AHK-Cu

Product Overview

AHK-Cu (Copper Tripeptide-3) is a synthetic copper-binding tripeptide composed of the amino acids Alanine (A), Histidine (H), and Lysine (K), complexed with a copper ion . This endogenous biomolecule represents a significant advancement in peptide research, combining the biological activity of the tripeptide sequence with the catalytic properties of copper to influence key cellular processes .

The peptide’s structure allows for the targeted delivery of bioavailable copper ions to cells, where copper plays an essential role in the catalytic functions of enzymes involved in collagen formation, antioxidant defense, and tissue remodeling . Research has demonstrated that AHK-Cu stimulates fibroblast activity, promotes the synthesis of collagen and elastin, and supports the accumulation of extracellular matrix components . These properties make AHK-Cu a molecule of significant interest in dermatological science, wound healing research, and tissue engineering studies .

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Mechanism of Action

AHK-Cu functions as a signal peptide complex that interacts with cellular pathways involved in extracellular matrix maintenance . The copper ion is delivered to target sites where it supports enzymatic processes critical for tissue regeneration and structural integrity .

Key Research Applications:

• Collagen and elastin synthesis studies

• Wound healing and tissue regeneration research

• Fibroblast activity and extracellular matrix investigations

• Angiogenesis and endothelial cell migration studies

• Hair follicle growth and dermal papilla cell research 

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Product Specifications

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Quality Assurance

Every batch of AHK-Cu undergoes rigorous analytical testing to ensure maximum purity and research integrity:

Certificate of Analysis (COA) available upon request.

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Storage & Reconstitution Guidelines

Storage Conditions:

• Lyophilized (Long-term): -20°C, protected from light and moisture

• Lyophilized (Short-term): 2°C – 8°C (refrigerated)

• Reconstituted: 4°C for up to 7 days; avoid repeated freeze-thaw cycles

Reconstitution Protocol:

1. Allow vial to reach room temperature

2. Add 1–2 mL of sterile bacteriostatic water or 0.9% sodium chloride solution

3. Gently swirl (do not vortex) until fully dissolved

4. Allow solution to stand at 4°C for 10-15 minutes for complete reconstitution

Note: Peptides are sensitive to formulation, process, and environmental conditions that may lead to aggregation and degradation.

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Important Notice

⚠️ FOR RESEARCH USE ONLY

This product is not intended for human consumption, diagnostic use, therapeutic application, or clinical administration. AHK-Cu is a research chemical intended exclusively for in-vitro and laboratory research purposes .

• Not approved by the FDA for human use 

• Not a dietary supplement, food additive, or pharmaceutical 

• Intended solely for qualified researchers and scientific institutions 

By purchasing this product, you confirm that you are a licensed researcher or laboratory professional and agree to use this compound in compliance with all applicable local, national, and international regulations.

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Why Choose PeptidesUnit.com?

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AHK-Cu (Copper Tripeptide-3) 5mg – ≥99% Purity
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AHK-Cu Peptide: The Complete Guide to Copper Tripeptide-3 for Research

amount and purity analysis of AHK-Cu.

You can find the test details in the parameters section below.

Target compound:	AHK-Cu
Testing method:	HPLC
Detection limit cutoff:	less than 1/20th of the usual dosage per vial
Result format (lyophilizate):	mg per vial and peptide purity
Result format (alternative):	m/m purity and peptide purity
Minimum amount for the test (lyophilizate):	1 whole unopened vial with lyophilizate
Minimum amount for the test (raw API powder):	30mg in sealed glass vial to prevent the sample from absorbing moisture
Average turnaround time:	5 days

In the expanding world of peptide research, AHK-Cu—also known as Copper Tripeptide-3—has emerged as one of the most fascinating subjects of scientific investigation. This copper-binding peptide complex, composed of the amino acids alanine, histidine, and lysine, has captured the attention of researchers across multiple disciplines, from dermatological science to tissue regeneration studies .

How AHK Cu Peptide works

This comprehensive guide explores everything you need to know about AHK-Cu peptide, including its structure, mechanism of action, research applications, and why researchers choose PeptidesUnit.com as their trusted source for high-quality research compounds.

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What is AHK-Cu Peptide?

AHK-Cu (Alanine-Histidine-Lysine Copper Complex) is a synthetic tripeptide that forms a stable complex with a copper ion. The peptide sequence consists of three amino acids—alanine, histidine, and lysine—which create a specific structure that binds copper with high affinity .

Key Specifications

The characteristic blue color of AHK-Cu comes from the copper ion at the center of the peptide complex, which is essential for its biological activity .

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The Science Behind AHK-Cu: Mechanism of Action

AHK-Cu functions as a bioactive peptide that interacts with cellular pathways involved in extracellular matrix maintenance. The copper ion plays a crucial role in the catalytic functions of various enzymes involved in collagen formation, antioxidant defense, and tissue repair processes .

How AHK-Cu Works

The primary mechanism of AHK-Cu revolves around the interaction between copper and the amino acid residues, which facilitates copper delivery to target sites. This interaction supports several cellular processes :

1. Copper Ion Delivery
Copper is an essential trace element that serves as a cofactor for numerous enzymes. The AHK peptide sequence acts as a delivery system, transporting copper ions to where they are needed most in biological systems .

2. Fibroblast Stimulation
Research indicates that AHK-Cu may encourage the proliferation and migration of fibroblasts—cells critical for producing collagen and extracellular matrix components. This stimulation may result in improved tissue structure and cellular health .

3. Enzyme Support
Copper is a critical component of antioxidant enzymes like superoxide dismutase (SOD), which protect cells from oxidative damage. AHK-Cu helps stabilize copper in its active form, supporting natural antioxidant defense mechanisms .

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Key Research Applications of AHK-Cu

1. Dermatological Science Research

AHK-Cu has attracted significant attention in dermatological research for its potential impact on skin structure and cellular aging processes.

Collagen and Elastin Synthesis
Studies suggest that AHK Cu may impact the synthesis of key structural proteins including collagen, elastin, and glycosaminoglycans—all of which contribute to skin resilience, elasticity, and hydration. Research has shown that AHK-Cu can stimulate collagen type I formation by up to 300% compared to controls .

Extracellular Matrix Support
By promoting the production of extracellular matrix components, AHK Cu may help maintain the structural integrity of connective tissues .

2. Wound Healing and Tissue Regeneration

The regenerative properties of AHK Cu extend to wound healing and tissue repair research.

Angiogenesis Support
Investigations suggest that AHK Cu may stimulate the migration of endothelial cells to wound sites, fostering the development of new blood vessels—a process vital for supplying oxygen and nutrients to healing tissue .

Cellular Proliferation
Research has demonstrated that AHK Cu increases the growth and viability of dermal fibroblasts while supporting cellular proliferation. In cell culture studies, AHK Cu has been shown to stimulate fibroblast proliferation and increase cell viability .

3. Hair Growth Research

One of the most intriguing areas of AHK Cu research involves its potential effects on hair follicles.

Follicle Stimulation
Studies have shown that AHK Cu at concentrations between 10⁻¹² and 10⁻⁹ M stimulates the elongation of human hair follicles in ex vivo models. This stimulatory effect may occur through support of dermal papilla cell proliferation .

Cellular Protection
Research indicates that AHK Cu may help protect dermal papilla cells from apoptosis (programmed cell death). Treatment with AHK Cu has been shown to increase the Bcl-2/Bax ratio (favoring cell survival) and reduce levels of cleaved caspase-3 and PARP, which are markers of apoptosis .

4. Anti-Inflammatory Research

Inflammation is a factor in many dermatological conditions, and AHK Cu may possess properties relevant to inflammatory response modulation.

Cytokine Modulation
Scientists speculate that AHK Cu may help modulate inflammatory responses by influencing the production of pro-inflammatory cytokines and reducing oxidative stress in tissues .

Balance Restoration
The peptide’s potential to help restore balance in tissue immune responses may make it an attractive candidate for research into inflammatory conditions .

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AHK-Cu vs. GHK-Cu: Understanding the Difference

While both AHK-Cu and GHK-Cu are copper-binding peptides, they have distinct structures and applications:

Both peptides offer unique benefits for different research applications, and the choice between them depends on specific study objectives.

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Why Source AHK-Cu from PeptidesUnit.com?

When conducting peptide research, the quality and purity of your research materials are paramount. PeptidesUnit.com has established itself as a trusted supplier for researchers worldwide.

Quality Assurance

High Purity Standards
PeptidesUnit.com provides AHK Cu peptide with purity levels of ≥98%, ensuring that research results are attributable to the compound of interest rather than impurities .

Third-Party Testing
All products undergo rigorous quality control testing to verify identity, purity, and potency. Documentation including Certificates of Analysis (COA) is available for each batch.

Stable Supply Chain
With reliable inventory management and consistent quality across batches, researchers can maintain experimental continuity without supply interruptions.

Why Quality Matters in Peptide Research

Research-grade peptides must meet strict quality criteria to ensure experimental validity:

• Reproducibility: High-purity compounds enable consistent results across experiments

• Safety: Reduced impurities minimize confounding variables in research

• Accurate Dosing: Precise compound weights ensure accurate concentration calculations

• Valid Results: Research-grade purity supports publication-ready data

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Handling, Storage, and Safety Considerations

Proper Storage Guidelines

To maintain the stability and integrity of AHK-Cu peptide:

• Short-term storage: Store at 2-8°C (refrigerated)

• Long-term storage: Store at -20°C or below

• Protection: Keep in sealed containers, away from moisture and direct light

• Aliquoting: For solutions, aliquot to avoid repeated freeze-thaw cycles

Research Use Only

It is important to emphasize that AHK Cu peptide is intended strictly for research and manufacturing use only. These compounds are not approved for human consumption, clinical use, or therapeutic applications .

Safety Precautions

Researchers should follow standard laboratory safety protocols when handling peptides:

• Use appropriate personal protective equipment (PPE)

• Work in well-ventilated areas

• Follow institutional guidelines for handling research chemicals

• Dispose of materials according to local regulations

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Frequently Asked Questions About AHK-Cu

Q: What is the CAS number for AHK-Cu?

A: AHK-Cu has two related CAS numbers: 682809-81-0 (monohydrochloride form) and 767286-83-9 .

Q: How is AHK-Cu typically used in research?

A: AHK-Cu is commonly used in in vitro cell culture studies, ex vivo tissue models, and formulation research for topical applications .

Q: What is the solubility of AHK-Cu?

A: AHK-Cu is soluble in water and DMSO. For aqueous solutions, it can be prepared at concentrations up to 43.75 mg/mL .

Q: How should AHK-Cu solutions be stored?

A: Once prepared in solution, AHK-Cu should be aliquoted and stored at -80°C for up to 6 months or -20°C for up to 1 month to maintain stability .

Q: What purity should I expect from research-grade AHK-Cu?

A: Research-grade AHK-Cu typically has purity ≥98%, with some suppliers offering ≥99% purity .

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The Future of AHK Cu Research

The scientific community continues to explore new applications and mechanisms of AHK-Cu. Emerging areas of investigation include:

Tissue Engineering
The peptide’s potential to support collagen synthesis and angiogenesis suggests relevance to the creation of tissue scaffolds designed to promote cell growth and tissue regeneration .

Stem Cell Research
Investigations suggest AHK Cu might influence the differentiation of stem cells, potentially opening new avenues for regenerative medicine research .

Chronic Wound Studies
Given its properties supporting tissue repair, AHK-Cu may be valuable in research models examining impaired healing conditions .

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Conclusion

AHK-Cu (Copper Tripeptide-3) represents a significant subject of interest in peptide research, with applications spanning dermatological science, wound healing, hair growth studies, and tissue regeneration. Its unique copper-binding structure enables it to support key cellular processes including collagen synthesis, fibroblast activity, and cellular protection.

For researchers seeking reliable, high-purity AHK-Cu peptide, PeptidesUnit.com offers quality-assured compounds backed by rigorous testing and stable supply chains. With proper handling and storage, this versatile peptide can serve as a valuable tool in advancing our understanding of copper peptide biology and its potential applications.