MK-777 (Acetamoren)

MK-777 (Acetamoren) Research Standard

MK-777 (Acetamoren) is a synthetic non-peptide small-molecule agonist of the growth hormone secretagogue receptor (GHS-R1a). Structurally related to established non-peptide ghrelin receptor ligands such as MK-677 and anamorelin, MK-777 is utilized as a research reagent for investigating GHS-R1a binding dynamics and signaling pathways. As a novel compound in the non-peptide GHS class, it serves as a valuable tool for comparative pharmacology, requiring independent verification of pharmacological parameters and characterization within specific experimental assay systems.

Technical Specifications

Technical Note: For quantitative identity verification, researchers are advised to confirm the molecular ion via mass spectrometry (protonated species [M+H]+ ≈ 571.7) prior to experimental use.

Mechanism of Action & Research Context

MK-777 is classified as a non-peptide agonist of the ghrelin receptor (GHS-R1a). It is designed to interact with the receptor to initiate downstream signaling cascades analogous to other ligands in this structural class.

• Receptor Interaction: Acts as a small-molecule ligand for GHS-R1a, a G protein-coupled receptor involved in metabolic and endocrine regulation.

• Research Utility: Primarily utilized to map structure-activity relationships (SAR) and competitive binding dynamics within the non-peptide GHS ligand family.

• Methodological Verification: As literature coverage for MK-777 is emergent, researchers are encouraged to characterize its binding affinity, receptor selectivity, and signaling potency against established class references (e.g., MK-677, capromorelin) within their specific laboratory models.

Research Applications

MK-777 is utilized as a chemical probe to examine the nuances of ghrelin receptor pharmacology.

Primary fields of in vitro laboratory investigation include:

• Comparative GHS Pharmacology: Evaluating potency and signaling bias alongside established agonists like MK-677 and anamorelin.

• Structure-Activity Relationship (SAR) Analysis: Studying how the specific small-molecule scaffold influences binding affinity and receptor activation.

• Receptor Signaling Studies: Investigating GHS-R1a activation and downstream intracellular pathway modulation in controlled cell-based assays.

• Analytical Method Development: Establishing chromatographic and mass spectrometric benchmarks for the characterization of sulfonyl-containing GHS ligands.

Storage & Handling Guidelines

To maintain the chemical stability and experimental validity of the compound:

• Long-Term Storage: Store at -20 °C, protected from light and moisture, to ensure optimal shelf-life.

• Environmental Control: Store in a cool, dry location.

• Vial Integrity: Keep the container tightly closed after each use to prevent atmospheric degradation.

• Handling: Utilize appropriate laboratory handling procedures and PPE when reconstituting or sampling the powder.

Research Use Disclaimer

Research Use Only Disclaimer: This product is developed and distributed strictly as a Research Use Only (RUO) laboratory reference chemical intended exclusively for non-clinical analytical and scientific investigation. It is not an FDA-approved drug, medical treatment, dietary supplement, or food ingredient, and is strictly prohibited for human or animal consumption. Kimera Chems supplies this research material solely to qualified institutions and professional investigators for authorized laboratory research purposes.