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Ghk3.0

GHK-Cu – Forschung

Überwiegend Mechanismus / Beobachtung

11 begutachtete Studien

Was die Evidenz sagt

Überwiegend Mechanismus / Beobachtung

Die meisten Studien zu GHK-Cu sind mechanistisch oder beobachtend statt RCTs, die einen klinischen Effekt messen — betrachte die Ergebnisse als vorläufig.

Die meiste Evidenz stammt aus gemischt-qualitativen randomisierten Studien, veröffentlicht 2000–2018 mit einer typischen Studiengröße von 13 Teilnehmenden.

Basierend auf 11 Studien · 1 RCT · 13 Teilnehmende insgesamt

Konfidenz

Geringe Konfidenz

Nach Outcome

Skin appearance & agingMögliche Unterstützung von Festigkeit/Reparatur über Kollagen-Signalgebung; die kosmetische Anti-Aging-Evidenz ist dünn und widersprüchlich · 8-12 weeks · Bescheidener, unbewiesener Nutzen gegen Falten; die eine kontrollierte Gesichtsstudie war bei objektiven Messgrößen negativ (kosmetisch) · 8-12 weeks
Überwiegend Mechanismus / Beobachtung5 Studien
Wound & ulcer healing
Zu wenige bewertete Studien2 Studien
Lung & antifibrotic (preclinical)
Zu wenige bewertete Studien2 Studien

Ältere Forschungsbasis

Neueste Studie von 2018

200020092018

1In vitro2012

We identified GHK as a compound that can reverse the gene-expression signature associated with emphysematous destruction and induce expression patterns consistent with TGFβ pathway activation.

Campbell JD, McDonough JE, Zeskind JE, Hackett TL, Pechkovsky DV, Brandsma CA, et al. · Genome Med (2012)

Profiled gene expression across emphysema severity in human COPD lung tissue, then used the Connectivity Map to find reversing compounds
GHK was identified computationally as reversing the emphysema gene signature
GHK treatment of fibroblasts recapitulated TGFβ-induced repair gene patterns and restored collagen contraction in COPD-derived fibroblasts

Quelle ansehen

2RCTn=13 · very small study2006

Objective evaluation found no significant improvement in wrinkles or overall skin quality. However, patient satisfaction was significantly higher for those who used GHK-Cu skin care products after CO2 laser skin resurfacing.

Miller TR, Wagner JD, Baack BR, Eisbach KJ. · Arch Facial Plast Surg (2006)

Randomized human trial of a topical GHK-Cu skincare regimen vs control after CO2 laser facial resurfacing (13 patients completed)
Patient-rated improvement in overall skin quality was significantly higher with GHK-Cu (P = .04)
Blinded objective assessment found NO significant difference in erythema resolution, wrinkles, or skin quality between groups

Quelle ansehen

3In vitro2000

GHK-Cu increased MMP-2 levels in conditioned media of cultured fibroblasts ... accompanied by an increase of MMP-2 mRNA level.

Siméon A, Emonard H, Hornebeck W, Maquart FX. · Life Sci (2000)

In-vitro study in cultured human dermal fibroblasts
GHK-Cu raised MMP-2 protein and mRNA, and increased TIMP-1/TIMP-2 secretion
Effect reproduced by copper ions but not by the GHK peptide alone — implicating the copper component

Quelle ansehen

4Tierstudie2000

Glycyl-histidyl-lysine-Cu(2+) treatment increased the mRNA level of decorin and decreased those of biglycan.

Siméon A, Wegrowski Y, Bontemps Y, Maquart FX. · J Invest Dermatol (2000)

Rat experimental-wound model plus rat dermal fibroblast cultures
Repeated GHK-Cu injections increased wound-tissue production, type I collagen, and glycosaminoglycans
Upregulated decorin and modulated chondroitin/dermatan sulfate accumulation during repair

Quelle ansehen

5In vitro2012

GHK increased the stemness and proliferative potential of epidermal basal cells, which is associated with increased expression of integrin.

Choi HR, Kang YA, Ryoo SJ, Shin JW, Na JI, Huh CH. · J Pept Sci (2012)

In-vitro study in cultured normal human keratinocytes and skin-equivalent models
GHK increased keratinocyte proliferation and markers of basal stem-cell stemness (p63, integrins α6/β1)
Found copper-free GHK produced effects similar to the copper complex in this model

Quelle ansehen

6In vitro2005

Population-doubling times of normal and irradiated fibroblasts exposed to GHK-Cu were faster than those of nontreated controls.

Pollard JD, Quan S, Kang T, Koch RJ. · Arch Facial Plast Surg (2005)

In-vitro study in primary human dermal fibroblasts (normal and previously irradiated) in serum-free media
GHK-Cu accelerated fibroblast proliferation and increased early bFGF and VEGF production by irradiated cells
Suggests a possible role in supporting repair of irradiated tissue — mechanistic only

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7Übersicht2018

Recent genetic data may explain such diverse protective and healing actions of one molecule, revealing multiple biochemical pathways regulated by GHK.

Pickart L, Margolina A. · Int J Mol Sci (2018)

Narrative review summarizing GHK-Cu's proposed actions: collagen/elastin/GAG synthesis, wound repair, anti-inflammatory, DNA repair, gene modulation
Aggregates in-vitro, animal, and gene-expression findings into a broad 'health-positive' thesis
Authored by GHK proponents; should be read as an advocacy-leaning synthesis, not independent evidence

Quelle ansehen

8Tierstudie2017

GHK Peptide Inhibits Bleomycin-Induced Pulmonary Fibrosis in Mice by Suppressing TGFβ1/Smad-Mediated Epithelial-to-Mesenchymal Transition.

Zhou XM, Wang GL, Wang XB, Liu L, Zhang Q, Yin Y, et al. · Front Pharmacol (2017)

Mouse model of bleomycin-induced pulmonary fibrosis
GHK reduced fibrosis, reportedly via suppression of TGFβ1/Smad signaling and epithelial-to-mesenchymal transition
Animal antifibrotic signal — opposite-direction context to the lung-repair COPD work, illustrating context-dependence

Quelle ansehen

9Tierstudie2017

The wound healing time was shortened to 14 days post injury.

Wang X, Liu B, Xu Q, Sun H, Shi M, Wang D, et al. · Wound Repair Regen (2017)

In-vitro (HUVEC proliferation) plus a mouse scald-wound model using liposome-encapsulated GHK-Cu
GHK-Cu-liposomes promoted endothelial proliferation, upregulated VEGF/FGF-2 and cell-cycle proteins, and improved angiogenesis
Scald wound healing time shortened vs free GHK-Cu in mice

Quelle ansehen

10In vitro2017

Studies using the Broad Institute Connectivity Map show that GHK peptide modulates expression of multiple genes, resetting pathological gene expression patterns back to health.

Pickart L, Vasquez-Soltero JM, Margolina A. · Brain Sci (2017)

Computational/gene-expression analysis (Connectivity Map) of GHK's effect on nervous-system-relevant genes
Reports GHK shifts multiple pathological gene-expression patterns toward 'healthy' states
Authored by GHK proponents; hypothesis-generating, not experimental clinical evidence

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11Beobachtungsstudie2017

Clinically, pigmentation and erythema were relieved and also both MI and EI decreased.

Chae JB, Yang SH, Byun SY, Choi HR, Shin JW, Park KC. · J Cosmet Dermatol (2017)

Small human pilot delivering a multi-ingredient 'anti-aging cocktail' (copper-GHK plus oligo-hyaluronic acid, Rhodiola extract, tranexamic acid, β-glucan) by hydroporation for melasma
Reported reduced melanin index (MI) and erythema index (EI)
Combination formulation — the GHK-Cu-specific contribution cannot be isolated

Quelle ansehen

In der Forschungsbibliothek ansehen

GHK-Cu – Forschung

Überwiegend Mechanismus / Beobachtung

A gene expression signature of emphysema-related lung destruction and its reversal by the tripeptide GHK.

Effects of topical copper tripeptide complex on CO2 laser-resurfaced skin.

The tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+ stimulates matrix metalloproteinase-2 expression by fibroblast cultures.

Expression of glycosaminoglycans and small proteoglycans in wounds: modulation by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu(2+).

Stem cell recovering effect of copper-free GHK in skin.

Effects of copper tripeptide on the growth and expression of growth factors by normal and irradiated fibroblasts.

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

GHK Peptide Inhibits Bleomycin-Induced Pulmonary Fibrosis in Mice by Suppressing TGFβ1/Smad-Mediated Epithelial-to-Mesenchymal Transition.

GHK-Cu-liposomes accelerate scald wound healing in mice by promoting cell proliferation and angiogenesis.

The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline.

The effects of hydroporation on melasma with anti-aging cocktail.