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Dermal & Extracellular MatrixCAS: 49557-75-7
Human Clinical RCTs

GHK-Cu

Copper (II) Glycyl-L-Histidyl-L-Lysine Complex

GHK-Cu is a human plasma-derived tripeptide with stoichiometric affinity for copper(II) ions. Researched for its capacity to modulate gene expression involved in tissue remodeling, upregulate procollagen and elastin biosynthesis, and stimulate in vitro dermal fibroblast migration.

Key Preclinical & Chemical ParametersAnalytical Baseline
Primary Target AxisCoordinate bonding with divalent copper Cu2+, delivering bio-available copper directly to lysyl oxidase and superoxide dismutase.
Lyophilized Storage-20°C protected from light
Purity Assay BaselineRP-HPLC ≥98.0% · ESI-MS
Standard DiluentBacteriostatic Water USP or Sterile Saline

Indexed for laboratory in vitro receptor binding assays and cellular synthesis research. Commercial materials are procured as non-clinical reagents under verified laboratory standards.

Molecular Anatomy

Chemical Structure & Metrics

Verified CAS
Empirical Molecular Formula:C14H24CuN6O4
Molecular Weight403.93 g/mol
Residue Length4 Residues
CAS Registry:49557-75-7
PubChem CID:73587
Biochemical Class:Dermal & Extracellular Matrix
N-to-C Residue Chain Preview:
GlyHisLys[Cu2+]
Assay Standard:RP-HPLC ≥98% · ESI-MS
Executive Biochemical Summary

Structured Chemical & Preclinical Profile

PubChem & PubMed Indexed

1. Chemical Identity & Sequence Architecture

GHK-Cu (Copper (II) Glycyl-L-Histidyl-L-Lysine Complex) is an analytically characterized peptide with empirical formula C14H24CuN6O4 (MW 403.93 g/mol). CAS Registry: 49557-75-7.

2. Primary Preclinical Signaling Axis

Investigated in preclinical assays for cellular signaling: Coordinate bonding with divalent copper Cu2+, delivering bio-available copper directly to lysyl oxidase and superoxide dismutase.

3. Physical Formats & Delivery Matrices

Synthesized predominantly as high-purity lyophilized powder cakes, with secondary pre-metered pen cartridges and solution atomizers cataloged across vendors.

4. Reconstitution & Analytical Handling

Recommended reconstitution with Bacteriostatic Water USP or Sterile Saline. Lyophilized cake stored at -20°C protected from light. Solution stable at 2°C to 8°C refrigerated (stable 35 days).

Primary Amino Acid Sequence(4 Residues)
Nonpolar Polar Basic Acidic
H₂N-
1Gly
-
2His
-
3Lys
-
4[Cu2+]
-COOH
Systematic IUPAC notation: Copper (II) Glycyl-L-Histidyl-L-Lysine Complex
Preclinical Data & Handling

Signaling Pathways & Laboratory Handling Protocols

Documented Receptor Pathways & In Vitro Signaling

1

Coordinate bonding with divalent copper Cu2+, delivering bio-available copper directly to lysyl oxidase and superoxide dismutase.

2

Direct stimulation of dermal fibroblast procollagen type I and type III mRNA transcription.

3

Modulation of matrix metalloproteinases (MMP-1, MMP-2) and tissue inhibitors of metalloproteinases (TIMP-1).

4

Downregulation of inflammatory master regulator NF-kB and suppression of transforming growth factor-beta 1 overactivation.

Investigation Scope

Distinguished by its characteristic intense royal blue appearance upon copper coordinate complexation. Evaluated in dermal fibroblast proliferation, extracellular matrix remodeling, and follicular cellular transition models.

Handling Parameters

Recommended DiluentBacteriostatic Water USP or Sterile Saline
Lyophilized Storage-20°C protected from light
Reconstituted Storage2°C to 8°C refrigerated (stable 35 days)
Stability WindowHigh thermal and chemical stability due to strong copper coordinate bonds
INTERACTIVE LABORATORY DILUTION TOOL

Peptide Dilution & Reconstitution Calculator

Compute stock concentrations, micro-pipetting draw volumes, and U-100 syringe units with zero procedural guesswork.

5 mg
2 mL
1000 mcg
100 Units Capacity
Dilution Formula Derivation:
Concentration =5,000 mcg÷2 mL=2500 mcg/mL
Draw Volume =1000 mcg÷2500 mcg/mL=0.400 mL(40.0 Units)
Volumetric Dispensing CalibrationU-100 Standard
Draw to on 1 mL U-100 Syringe:
40.0 Units
Exact Liquid Volume: 0.400 mL (approx. 40 tick marks)
0 UBarrel Fill: 40%100 U
Stock Concentration2.50 mg/mL(2500 mcg/mL)
Aliquot Yield Per Vial5 Aliquots(5,000 mcg total)
Laboratory Reconstitution Protocol:

Slowly introduce bacteriostatic diluent against the internal glass vial wall. Swirl gently in a circular horizontal rotation. Never shake or vortex vigorously to prevent mechanical shearing of delicate peptide bonds. Store reconstituted stock at 2°C–8°C.

Verified Reagent Partners & Vendors

Partner & Vendor Catalogues for GHK-Cu

Independent partner directory providing research-grade lyophilized vials, cartridges, atomizers, and reconstitution solvents.

5 Verified Partner Catalogues
PharmaGrade logo
PharmaGradepharmagrade.store
Category Hub (All Formats)·United Kingdom / Worldwide

Category hub featuring research-grade lyophilized vials, pens, and blends.

Catalog Purity Spec≥99.2% (HPLC)
Product FormatAll Available Formats
Direct Peptides logo
Direct Peptidesdirect-peptides.com
Category Hub (All Formats)·Worldwide

Full catalogue category hub with multiple mg vial sizes and blends.

Catalog Purity Spec≥99.1% (HPLC)
Product FormatAll Available Formats
Direct Sarms logo
Direct Sarmsdirect-sarms.com
Category Hub (All Formats)·United Kingdom / International

Dedicated category hub listing research vials and cartridges.

Catalog Purity Spec≥98.9% (HPLC)
Product FormatAll Available Formats
Peptide Works logo
Peptide Workspeptide-works.com
Category Hub (All Formats)·United Kingdom / EU

UK-stocked research reagent catalogue hub featuring batch-verified peptide lots.

Catalog Purity Spec≥99.0% (HPLC)
Product FormatAll Available Formats
PharmaLab Global logo
PharmaLab Globalpharmalabglobal.com
Category Hub (All Formats)·Global Dispatch

Global catalogue hub including international dispatch batches.

Catalog Purity Spec≥99.3% (HPLC)
Product FormatAll Available Formats
Peer-Reviewed Literature

Academic Bibliography & Preclinical Studies for GHK-Cu

Primary academic indexing sourced from PubMed and peer-reviewed biotechnology journals documenting molecular mechanisms and in vitro cellular response.

3 Indexed Papers

Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data

International Journal of Molecular Sciences·Published: 2018·Authors: Pickart L, Vasquez-Soltero JM, Margolina A.
Documented Laboratory Observation:Identified broad transcriptomic shifts regulating over 4,000 genes involved in tissue remodeling and DNA repair mechanisms.

The human tri-peptide GHK and tissue remodeling

Journal of Biomaterials Science, Polymer Edition·Published: 2008·Authors: Pickart L.
Documented Laboratory Observation:Documented stimulation of collagen, dermatan sulfate, and chondroitin sulfate synthesis in dermal fibroblast culture.

GHK-Cu accelerates healing of ischemic open wounds in rats

Wound Repair and Regeneration·Published: 2005·Authors: Cangul IT, Gul NY, Topal A, Yilmaz R.
Documented Laboratory Observation:Observed significant elevation in wound contraction, granulation tissue formation, and neo-vascularization.
BIOCHEMICAL REFERENCE Q&A

Frequently Asked Chemical & Analytical Questions

Authoritative scientific clarifications regarding GHK-Cu classification, molecular pathways, and laboratory protocols.

4 Curated Questions

GHK-Cu (Copper (II) Glycyl-L-Histidyl-L-Lysine Complex) is an analytically characterized peptide compound with empirical molecular formula C14H24CuN6O4 and molecular weight 403.93 g/mol. It is indexed under CAS Registry Number 49557-75-7 and categorized in research literature under Dermal & Extracellular Matrix.

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