Palmitoyl Tetrapeptide-7 (200MG)

What Is Palmitoyl Tetrapeptide-7?

Palmitoyl Tetrapeptide-7, also known as Rigin or Pal-GQPR, is a synthetic lipopeptide that originates from a fragment of human immunoglobulin G (IgG). The peptide features a tetrapeptide sequence—glycine, glutamine, proline, and arginine (GQPR)—conjugated with a palmitoyl fatty acid chain at the N-terminus, forming Palmitoyl-Gly-Gln-Pro-Arg (Pal-GQPR). This palmitoylation modification significantly enhances the peptide’s lipophilicity, which improves its ability to penetrate biological membranes and increases its stability in research environments.

Researchers classify Palmitoyl Tetrapeptide-7 as a matrikine-like peptide—a signaling molecule that regulates cellular activities. Even though it does not derive from connective tissue proteins, researchers commonly group it with matrikine peptides because it produces similar effects in promoting collagen and extracellular matrix synthesis. As a palmitoylated IgG fragment, Palmitoyl Tetrapeptide-7 has attracted considerable interest in dermatological, fibroblast, and extracellular matrix research. For those looking to buy Palmitoyl Tetrapeptide-7 in Switzerland, Core Peptides offers high-quality research-grade material for laboratory applications.

Palmitoyl Tetrapeptide-7 Research Overview

Palmitoyl Tetrapeptide-7 represents a well-documented lipopeptide within the broader family of skin and matrix research compounds. The peptide’s design incorporates a palmitoyl group—a 16-carbon saturated fatty acid chain—attached to the N-terminus of the GQPR sequence. This modification serves multiple purposes: it increases the peptide’s fat solubility, protects it from enzymatic degradation, and prolongs its activity in biological systems.

Research interest in Palmitoyl Tetrapeptide-7 centers on its potential to modulate inflammatory responses and support extracellular matrix integrity. Scientists investigate its ability to downregulate interleukin-6 (IL-6) production, which reduces inflammation and protects the extracellular matrix from degradation. Consequently, while the research continues to evolve, Palmitoyl Tetrapeptide-7 has generated significant interest as a well-documented signaling peptide for matrix and anti-inflammatory research.

When researchers choose to buy Palmitoyl Tetrapeptide-7 in Switzerland for laboratory studies, they gain access to a compound that may help elucidate mechanisms of fibroblast activation, collagen synthesis, and extracellular matrix remodeling at the molecular level.

How Does Palmitoyl Tetrapeptide-7 Work?

The proposed mechanism of Palmitoyl Tetrapeptide-7 involves the downregulation of interleukin-6 (IL-6) production. Elevated levels of IL-6 are associated with chronic inflammation, which can accelerate the aging process by promoting the expression of matrix metalloproteinases (MMPs)—enzymes responsible for the breakdown of collagen and other extracellular matrix proteins.

Anti-Inflammatory Mechanism Through IL-6 Suppression

In vitro studies have demonstrated that Palmitoyl Tetrapeptide-7 can significantly reduce IL-6 production, with a reported reduction of up to 40% in standard conditions. Moreover, this effect becomes even more pronounced in cells exposed to UV radiation, where an 86% reduction in IL-6 has been observed. By suppressing IL-6, Palmitoyl Tetrapeptide-7 may indirectly modulate downstream inflammatory signaling pathways such as NF-κB and JAK/STAT.

Extracellular Matrix Support and Collagen Synthesis

Furthermore, by reducing inflammation, Palmitoyl Tetrapeptide-7 creates a more favorable environment for the synthesis of key extracellular matrix components. Researchers have documented that Palmitoyl Tetrapeptide-7 stimulates collagen type I and fibronectin synthesis, which contributes to improved matrix structure and integrity. The peptide supports the integrity of the extracellular matrix by promoting the synthesis of components like collagen and laminin.

Additional Mechanisms

Additionally, Palmitoyl Tetrapeptide-7 appears to increase hyaluronic acid levels in tissues, helping to maintain hydration and structural integrity. Researchers who buy Palmitoyl Tetrapeptide-7 in Switzerland for research purposes can investigate these mechanisms across diverse experimental models.

Why Is Palmitoyl Tetrapeptide-7 Studied?

Researchers study Palmitoyl Tetrapeptide-7 primarily for its potential relevance to fibroblast biology, collagen synthesis, extracellular matrix remodeling, and anti-inflammatory mechanisms. The peptide’s ability to modulate IL-6 production and support ECM integrity makes it a valuable tool for understanding the molecular basis of tissue matrix formation and inflammatory regulation.

The peptide’s connection to IgG-derived signaling and matrikine-like activity has made it a focus of dermatological and matrix research. Specifically, preclinical studies have explored Palmitoyl Tetrapeptide-7’s effects on collagen production, fibroblast proliferation, and matrix organization.

Moreover, researchers study Palmitoyl Tetrapeptide-7 in the context of age-related matrix changes, tissue remodeling, and inflammation. As the demand for understanding matrix biology and tissue regeneration grows, Palmitoyl Tetrapeptide-7 represents one well-documented avenue of research inquiry.

Researchers who buy Palmitoyl Tetrapeptide-7 in Switzerland from Core Peptides can incorporate this peptide into their studies on fibroblast activation, collagen synthesis, IL-6 modulation, and extracellular matrix biology.

Palmitoyl Tetrapeptide-7 Research Areas

Research Area	Description
Collagen Synthesis	Investigating Palmitoyl Tetrapeptide-7’s potential to stimulate collagen type I production in fibroblasts
Fibroblast Activation	Studying Palmitoyl Tetrapeptide-7’s effects on dermal fibroblast activity and matrix production
IL-6 Suppression	Examining Palmitoyl Tetrapeptide-7’s ability to downregulate interleukin-6 production in inflamed cells
Extracellular Matrix Production	Exploring Palmitoyl Tetrapeptide-7’s influence on ECM components including collagen, fibronectin, and hyaluronic acid
Anti-Inflammatory Research	Investigating Palmitoyl Tetrapeptide-7’s potential to reduce inflammatory responses via IL-6 modulation
Matrix Remodeling	Preclinical research into Palmitoyl Tetrapeptide-7’s potential to influence tissue matrix organization
MMP Inhibition	Studying Palmitoyl Tetrapeptide-7’s indirect inhibition of matrix metalloproteinases through IL-6 suppression
Wound Healing Research	Exploring Palmitoyl Tetrapeptide-7’s potential relevance to tissue repair and regeneration

Scientific Research on Palmitoyl Tetrapeptide-7

Researchers have conducted scientific studies on Palmitoyl Tetrapeptide-7 in both in vitro and in vivo settings, deriving evidence from cell cultures, ex vivo tissue samples, and clinical assessments. The peptide originates from a fragment of human immunoglobulin G, a protein central to immune system function.

In Vitro Evidence

In vitro studies have demonstrated that Palmitoyl Tetrapeptide-7 induces a dose-dependent reduction in IL-6 production in skin cells, with a reported reduction of up to 40%. Furthermore, this effect significantly enhances under UV-induced stress conditions, where an 86% reduction in IL-6 has been documented. Researchers have also documented dose-dependent increases in collagen type I synthesis, with a 120% increase observed at 25 ppm in human dermal fibroblasts.

Clinical and Ex Vivo Research

Furthermore, researchers have investigated Palmitoyl Tetrapeptide-7’s role in matrix remodeling. A methodology study employing in vivo reflectance confocal microscopy (RCM), high-frequency ultrasound, and MALDI-MSI demonstrated that a blend of Palmitoyl Oligopeptide and Palmitoyl Tetrapeptide-7 improved dermal extracellular matrix structure compared to placebo. The peptide blend reduced the thickness of the subepidermal low-echogenic band—a marker of photoaging and ECM degradation—and improved its density as measured by echography.

In a longer-term clinical assessment, 60 healthy photoaged volunteers (aged 45–80) applied a formulation containing Palmitoyl Tetrapeptide-7 and another active ingredient over 12 months. Researchers documented a reduction of facial wrinkles and deposition of fibrillin-rich microfibrils in the papillary dermis of treated skin. Notably, unlike surface-level wrinkle measurements, these imaging endpoints provide direct structural evidence that Palmitoyl Tetrapeptide-7 drives remodeling of the dermal matrix at the microanatomical level.

Combination Research and Safety

Research has also explored the use of Palmitoyl Tetrapeptide-7 in combination with Pal-GHK (Palmitoyl Tripeptide-1) as part of the “Matrixyl 3000” peptide blend. Consequently, researchers often highlight the synergistic action of these two peptides in matrix research formulations.

Additionally, researchers have investigated the safety profile of Palmitoyl Tetrapeptide-7. The Cosmetic Ingredient Review (CIR) Expert Panel assessed its safety and concluded that it is safe at concentrations not exceeding 0.0015% (15 ppm) in leave-on products. The safety determination relied on a comprehensive review of toxicological data, including acute toxicity, skin and eye irritation, sensitization, phototoxicity, and genotoxicity endpoints.

Nevertheless, researchers should note that Palmitoyl Tetrapeptide-7 has limited human clinical evidence. Of 14 total studies identified, only one human study with no randomized controlled trials has been documented. Available evidence primarily derives from in vitro and animal research. Therefore, findings should interpret as experimental rather than established. Scientists who buy Palmitoyl Tetrapeptide-7 in Switzerland should remain aware of these evidence considerations.

Palmitoyl Tetrapeptide-7 Compared With Related Peptides

Peptide	Relationship to Palmitoyl Tetrapeptide-7	Key Differences
GHK	Both studied for skin and matrix research	GHK is a tripeptide; Palmitoyl Tetrapeptide-7 is a tetrapeptide derived from IgG
GHK-Cu (Copper Peptide)	Both studied for skin and collagen research	GHK-Cu is a copper complex; Palmitoyl Tetrapeptide-7 is a palmitoylated peptide without copper; GHK-Cu may have pro-oxidant concerns
Pal-GHK	Often studied in combination with Palmitoyl Tetrapeptide-7	Pal-GHK is Palmitoyl Tripeptide-1 (GHK); both are palmitoylated but have different sequences and are often combined in Matrixyl 3000
Pal-AHK	Both are palmitoylated peptides for skin research	Pal-AHK has AHK sequence; Palmitoyl Tetrapeptide-7 has GQPR sequence
Palmitoyl Oligopeptide	Often studied alongside Palmitoyl Tetrapeptide-7	Often combined with Palmitoyl Tetrapeptide-7 in matrix research formulations

Research Applications

Researchers utilize Palmitoyl Tetrapeptide-7 in a variety of laboratory research applications, primarily in the fields of dermatology, matrix biology, and anti-inflammatory research. Key research applications include:

• Collagen Synthesis Studies: Investigating Palmitoyl Tetrapeptide-7’s potential to stimulate collagen type I production in fibroblast cultures
• Fibroblast Activation Research: Studying Palmitoyl Tetrapeptide-7’s effects on dermal fibroblast activity and matrix production
• IL-6 Suppression Studies: Examining Palmitoyl Tetrapeptide-7’s ability to downregulate interleukin-6 production in inflamed cells
• Extracellular Matrix Studies: Exploring Palmitoyl Tetrapeptide-7’s influence on ECM components including collagen, fibronectin, and hyaluronic acid
• Anti-Inflammatory Research: Investigating Palmitoyl Tetrapeptide-7’s potential to reduce inflammatory responses via IL-6 modulation
• Matrix Remodeling Studies: Preclinical research into Palmitoyl Tetrapeptide-7’s potential to influence tissue matrix organization
• MMP Inhibition Studies: Studying Palmitoyl Tetrapeptide-7’s indirect inhibition of matrix metalloproteinases through IL-6 suppression
• Wound Healing Research: Exploring Palmitoyl Tetrapeptide-7’s potential relevance to tissue repair and regeneration
• 3D Skin Model Studies: Evaluating Palmitoyl Tetrapeptide-7’s efficacy in physiologically relevant in vitro platforms

Researchers who buy Palmitoyl Tetrapeptide-7 in Switzerland can incorporate this peptide into their experimental protocols across these diverse research areas.

Palmitoyl Tetrapeptide-7 Product Specifications

Specification	Detail
Product Name	Palmitoyl Tetrapeptide-7 (Rigin, Pal-GQPR)
Amount	200mg
Form	Lyophilized powder
Sequence	Palmitoyl-Gly-Gln-Pro-Arg (Pal-GQPR)
Molecular Formula	C34H62N8O7
Molecular Weight	Approximately 694.9 g/mol
CAS Number	221227-05-0
Synonyms	Rigin, Pal-GQPR, Palmitoyl Tetrapeptide-7
Research Category	Skin, Hair & Beauty Peptides
Purity	Not provided
Storage	Refer to product documentation

How to Evaluate Palmitoyl Tetrapeptide-7 Quality

When sourcing Palmitoyl Tetrapeptide-7 for research purposes, researchers should consider several quality indicators. A reliable Palmitoyl Tetrapeptide-7 peptide supplier should provide:

• Identity Confirmation: Analytical verification that the peptide matches the expected sequence (Palmitoyl-Gly-Gln-Pro-Arg) and molecular weight (approximately 694.9 g/mol)
• Purity Analysis: Documentation of purity through methods such as HPLC (High-Performance Liquid Chromatography)
• Batch Information: Clear lot numbers and batch traceability
• Certificate of Analysis (CoA): Documentation of analytical testing results
• Proper Labeling: Accurate product identification and storage instructions

Researchers looking to buy Palmitoyl Tetrapeptide-7 in Switzerland should seek suppliers who provide comprehensive documentation and quality assurance. Core Peptides remains committed to supporting research with properly documented products.

Understanding the Certificate of Analysis

A Certificate of Analysis (CoA) provides analytical data for a specific batch of a research peptide. For Palmitoyl Tetrapeptide-7 research, a CoA typically includes:

• Identity Confirmation: Mass spectrometry or other analytical methods confirming the peptide’s identity
• Purity Assessment: HPLC chromatograms showing the purity of the peptide
• Batch/Lot Information: Unique identifiers for traceability
• Analytical Methods: Description of the testing methods used

Importantly, researchers should understand that a CoA demonstrates the chemical identity and purity of a peptide but does not establish safety, efficacy, therapeutic effectiveness, or suitability for human use. The CoA serves as a quality control document for research purposes only.

Storage and Stability

Proper storage of research peptides is essential for maintaining their integrity and stability. For Palmitoyl Tetrapeptide-7, researchers should refer to the product documentation provided with their order for specific storage recommendations.

General best practices for peptide storage include keeping lyophilized peptides in a cool, dry environment, protected from light and moisture. Some suppliers recommend storage at -20°C for long-term stability. For specific temperature requirements and reconstitution protocols, consult the applicable product documentation or contact Core Peptides for the applicable storage specifications.

Research Considerations

Researchers incorporating Palmitoyl Tetrapeptide-7 into their studies should be aware of several important considerations:

• Evidence Limitations: Palmitoyl Tetrapeptide-7 has limited human clinical evidence. Of 14 total studies identified, only one human study with no randomized controlled trials has been documented. Most research has occurred in preclinical models.
• Experimental Status: Researchers consider Palmitoyl Tetrapeptide-7 an experimental compound. Therefore, findings should interpret within the context of early-stage research.
• Model Differences: Results from cell cultures, ex vivo tissue samples, and animal models may not translate directly to complex biological outcomes.
• Regulatory Status: Palmitoyl Tetrapeptide-7 is not FDA-approved and is intended for laboratory research use only.
• Quality Considerations: Researchers should verify the quality and identity of their Palmitoyl Tetrapeptide-7 through appropriate analytical methods.
• Palmitoylation Effects: Researchers should consider that the palmitoyl modification significantly alters the peptide’s penetration and stability compared to unmodified peptides.
• Combination Studies: Palmitoyl Tetrapeptide-7 is frequently studied in combination with Pal-GHK (Palmitoyl Tripeptide-1) as part of Matrixyl 3000 formulations. Consequently, researchers may wish to consider this combination in their experimental designs.

Researchers who buy Palmitoyl Tetrapeptide-7 in Switzerland should ensure their studies include appropriate controls and interpret findings with scientific rigor.

Frequently Asked Questions About Palmitoyl Tetrapeptide-7

What is Palmitoyl Tetrapeptide-7?

Palmitoyl Tetrapeptide-7 (Rigin, Pal-GQPR) is a synthetic lipopeptide composed of four amino acids—glycine, glutamine, proline, and arginine—linked to a palmitoyl fatty acid chain. It is derived from a fragment of human immunoglobulin G.

What is Palmitoyl Tetrapeptide-7 researched for?

Researchers primarily investigate Palmitoyl Tetrapeptide-7 for its potential effects on fibroblast activation, collagen synthesis, extracellular matrix remodeling, and IL-6 suppression.

What is the amino acid sequence of Palmitoyl Tetrapeptide-7?

The amino acid sequence of Palmitoyl Tetrapeptide-7 is Palmitoyl-Gly-Gln-Pro-Arg (Pal-GQPR).

What is the molecular weight of Palmitoyl Tetrapeptide-7?

The molecular weight of Palmitoyl Tetrapeptide-7 is approximately 694.9 g/mol.

What is the CAS number for Palmitoyl Tetrapeptide-7?

The CAS number for Palmitoyl Tetrapeptide-7 is 221227-05-0.

What is the difference between Palmitoyl Tetrapeptide-7 and Rigin?

Rigin is another name for Palmitoyl Tetrapeptide-7. The terms are used interchangeably in the research literature.

What is the difference between Palmitoyl Tetrapeptide-7 and GHK-Cu?

Palmitoyl Tetrapeptide-7 is a palmitoylated tetrapeptide derived from IgG that suppresses IL-6, while GHK-Cu is a copper complex of the GHK tripeptide. Both are studied for skin and matrix research but have different sequences and mechanisms. GHK-Cu may also have pro-oxidant concerns under certain conditions.

Does Palmitoyl Tetrapeptide-7 have human clinical evidence?

Palmitoyl Tetrapeptide-7 has limited human clinical evidence. Of 14 total studies identified, only one human study with no randomized controlled trials has been documented. Most research has occurred in preclinical models.

Is Palmitoyl Tetrapeptide-7 FDA-approved?

Palmitoyl Tetrapeptide-7 is not FDA-approved. It is intended for laboratory research use only and is not approved for human consumption or therapeutic use.

Can I buy Palmitoyl Tetrapeptide-7 in Switzerland?

Yes, researchers can buy Palmitoyl Tetrapeptide-7 in Switzerland from Core Peptides for laboratory research purposes.

What is the primary research category for Palmitoyl Tetrapeptide-7?

Palmitoyl Tetrapeptide-7 belongs to the Skin, Hair & Beauty Peptides category, with secondary relevance to Healing & Regeneration Peptides research.

What related peptides are studied alongside Palmitoyl Tetrapeptide-7?

Related peptides include Pal-GHK (often combined in Matrixyl 3000), GHK, GHK-Cu, Pal-AHK, and Palmitoyl Oligopeptide.

What is the mechanism of action for Palmitoyl Tetrapeptide-7?

Palmitoyl Tetrapeptide-7 primarily downregulates IL-6 production, which reduces inflammation and protects the extracellular matrix from degradation. Consequently, it also stimulates collagen and fibronectin synthesis.

How should Palmitoyl Tetrapeptide-7 be stored?

Refer to the product documentation for specific storage recommendations. Peptides generally store lyophilized in cool, dry conditions. Some suppliers recommend -20°C for long-term storage.

Is Palmitoyl Tetrapeptide-7 a matrikine peptide?

Even though Palmitoyl Tetrapeptide-7 does not derive from connective tissue proteins, researchers commonly group it with matrikine peptides because it produces similar effects in promoting collagen synthesis and extracellular matrix remodeling.

Related Research Peptides

Researchers interested in Palmitoyl Tetrapeptide-7 may also find the following related peptides relevant to their work:

• Pal-GHK – Often studied in combination with Palmitoyl Tetrapeptide-7 as part of Matrixyl 3000 formulations
• GHK – The non-palmitoylated version of the GHK tripeptide, studied for copper-binding and matrix research
• GHK-Cu – A copper peptide studied for skin regeneration and collagen synthesis
• Pal-AHK – A palmitoylated peptide with similar skin and matrix research applications
• Palmitoyl Oligopeptide – Often studied alongside Palmitoyl Tetrapeptide-7 in matrix research formulations

For a comprehensive selection of research peptides in Switzerland, explore the Core Peptides catalog.

Explore Skin, Hair & Beauty Peptides

Palmitoyl Tetrapeptide-7 is part of our Skin, Hair & Beauty Peptides category, which features a range of research peptides investigated for their potential effects on skin health, matrix biology, and tissue aesthetics. Browse our selection to find the right peptides for your laboratory research.

Further Research

Researchers interested in learning more about Palmitoyl Tetrapeptide-7 and related peptides should consult the primary scientific literature. Key areas of investigation include fibroblast activation, collagen synthesis, IL-6 modulation, matrikine signaling, and extracellular matrix remodeling. The PubMed database is an excellent resource for accessing peer-reviewed research articles on these topics.

Research Disclaimer

Core Peptides supplies Palmitoyl Tetrapeptide-7 as a research peptide for laboratory research purposes only. It is not approved for human consumption, therapeutic use, or medical treatment. All information provided is for educational and scientific reference purposes only and does not constitute medical advice. Researchers are responsible for ensuring compliance with all applicable laws and regulations governing the use of research peptides in their jurisdiction, including Switzerland.