GHRP-6

Research Grade Technical Document

Introduction

This document provides a technical overview of Growth Hormone Releasing Peptide-6 (GHRP-6), a synthetic hexapeptide utilized exclusively for in vitro and in vivo laboratory research. GHRP-6 is a potent and selective agonist of the ghrelin/growth hormone secretagogue receptor (GHS-R), making it a valuable tool for studying the somatotropic axis, ghrelin's systemic effects, and associated cellular mechanisms.

Product Details

Property

Value

Product Name

GHRP-6

Classification

Growth Hormone Secretagogue (GHS)

Sequence

His-D-Trp-Ala-Trp-D-Phe-Lys-NH2

Formulation

Lyophilized Powder

Storage

Store at -20°C for long-term stability. Avoid repeated freeze-thaw cycles.

Solubility

Soluble in sterile water or bacteriostatic water for research purposes.

Mechanism of Action

GHRP-6 functions by binding to the Growth Hormone Secretagogue Receptor (GHS-R), which is primarily found in the pituitary gland and the hypothalamus. The GHS-R is the cognate receptor for the endogenous peptide hormone Ghrelin.

1. Agonism of GHS-R: Upon binding, GHRP-6 activates the GHS-R, mimicking the action of ghrelin.
2. GH Release Stimulation: This activation leads to a significant, dose-dependent stimulation of Growth Hormone (GH) release from the somatotrophs in the anterior pituitary.
3. Ghrelin Axis Modulation: Beyond the pituitary, GHRP-6 research helps investigate the peripheral effects of GHS-R signaling, which include appetite regulation, energy metabolism, and gastric motility.

Specifications

Specification

Detail

Activity

Potent GH secretagogue. Active orally and sublingually demonstrated in various research models.

Selectivity

Moderate to high selectivity for the Growth Hormone Secretagogue Receptor (GHS-R).

Purity

High purity, suitable for research-grade applications (Lyophilized).

Quality Control

Verified by Mass Spectrometry and HPLC. File

Research Applications

GHRP-6 is a versatile tool used across multiple scientific disciplines.

1. Endocrine Research (Growth Hormone Axis)

• Study of Somatotroph Function: Investigating the sensitivity and responsiveness of pituitary somatotrophs to GH-releasing stimuli.
• Interaction with GHRH: Researching the synergistic effects of GHRP-6 (acting via GHS-R) and Growth Hormone Releasing Hormone (GHRH) in stimulating GH pulses.
• Modulation of Ghrelin Signaling: Examining the downstream effects of GHS-R activation on metabolism and body composition in research models.

2. Neurobiology and Memory

• Memory Formation: Studies suggest GHS-R activation may play a role in memory consolidation and spatial learning, often investigated using GHRP-6 administration.
• Neuroprotection: Researching the potential protective effects of GHRP-6 in models of neurodegenerative conditions, linking GHS-R activation to cellular survival pathways.

3. Cellular Cytoprotection

• Cardiovascular Models: Investigating the role of GHRP-6 in protecting myocardial tissue from ischemic injury, potentially through anti-inflammatory and anti-apoptotic pathways.
• Gastrointestinal Protection: Research into the cytoprotective properties of GHRP-6 on the gastric and intestinal mucosa.

Safety and Handling

FOR LABORATORY RESEARCH ONLY. This product is not intended for human consumption, clinical use, or veterinary use.

1. General Precautions: Handle only in a dedicated laboratory setting, preferably within a chemical fume hood.
2. Personal Protective Equipment (PPE): Always wear appropriate PPE, including gloves, lab coat, and safety glasses.
3. Disposal: Dispose of waste materials in accordance with institutional and governmental regulations for laboratory chemicals. Consult the Material Safety Data Sheet (MSDS) for comprehensive safety data. File

Protocol Information

This section outlines general guidelines for the preparation and administration of GHRP-6 in research settings. Specific protocols will vary based on the research objective.

Peptide Reconstitution

1. Preparation: Bring the lyophilized GHRP-6 to room temperature before opening the vial.
2. Solvent: Reconstitute with a suitable solvent, typically sterile, unpreserved water or bacteriostatic water (containing 0.9% benzyl alcohol) at a concentration that matches the experimental design.
3. Storage of Reconstituted Solution: Store the reconstituted solution at 4°C and use within the recommended stability period, generally 1-2 weeks. For long-term storage, aliquoting and freezing at -20°C is recommended.

Recommended Dilution

Volume of Solvent (mL)

Target Concentration (mg/mL)

Stock Solution 1

1.0

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Stock Solution 2

2.0

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References and Further Reading

For specific details regarding GHRP-6 pharmacology and research applications, refer to established scientific literature. Key areas of investigation include:

• Ghrelin receptor pharmacology.
• Interactions between GHRP-6 and growth hormone-releasing hormone (GHRH).
• In vivo studies demonstrating GHRP-6's effects on energy balance and cytoprotection.

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