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peptide 401 Peptide 401, a potent mast cell degranulating factor

Published October Oct 17, 2026 6:23 PM

In the sp Peptide 401 is an antimicrobial peptide (AMP) derived from the venom of bees Peptide 401 induces mast cell degranulation, activating histamine release from Read more ecialized field of biochemical research, few compounds have garnered as much intrigue as peptide 401. Known scientifically as a potent mast cell degranulating factor derived from the venom of the European honeybee (*Apis mellifera*), this molecule serves Multifunctional peptide-drug conjugate CORM-401@R9 as a cornerstone for those investigating cellular signaling and inflammatory pathways. My personal journey into understanding these complex Anti-inflammatory activity of bee venom peptide 401 (mast structures began with an interest in how specific sequences—often categorized as antimicrobial peptides (AMP)—interact with biological membranes.

Understanding the Nature of Peptide 401

To grasp the significance of peptide 401, one must first recognize its roots. It is a minor component of honeybee venom, often referred to as MCD peptide or MCDP. Unlike common skincare additives, this is a highly technical compou Peptide 401, a potentmast celldegranulating factor from bee venom, suppresses the increased vascular permeability due to intradermal injection of various Read more nd. My experience with handling such substances has taught me that precision is paramount. When discussing peptide research, we are often looking at molecules that facilitate communication between cells, specifically mast cell populations.

Research Inhibition of histamine release induced by compound 48/80 indicates that peptide 401 is an antimicrobial peptide (AMP) derived from the venom of bees, and it is frequ Peptide 401 | | 32908-73-9 ently studied for its ability to modulate histamine release. Historically, studies on histamine release induced by compound 48/80 and peptide 401 have provided foundational data for researchers looking to understand how vascular permeability is influenced at a microscopic level.

Handling and Storage Protocols

If you are involved in laboratory-grade research, proper storage is non-negotiable. Based on my observations of best practices for these sensitive compounds, the shelf life is highly dependent on environmental conditions. It is generally recommended to store the substance up to 6 months in lyophilized form at 0-5°C. For best results, rehydrate just before use. Once in a solution, maintaining a stable temperature is critical to ensure the integrity of the peptide bonds.

Distinguishing Variations: From Research Tools to Therapeutic Concepts

It is easy to get confused by the nomenclature in this category, as 401 appears in various contexts. For instance, I have encountered CORM-401 and its conjugate CORM-401@R9, which are distinct from the bee venom-derived MCD peptide. Similarly, in the realm of antibody validation, researchers often utilize an IKK alpha peptide (100-401-219p), which is intended for use as a control peptide to block specific interactions.

Furthermore, some commercial products, such as an active, moisturizing, and deeply penetrating peptide eye cream labeled "PL401," use similar numbering to denote their specific formula, though these are entirely different from the research-grade mast cell degranulati by BE Banks·1990·Cited by 52—The anti-inflammatory activity ofpeptide 401and of compound 48/80 in the carrageenin-induced swelling of the rat hind paw arises from mast cell degranulation Read more ng peptide used in academic studies. I have also seen references to Reta Peptide 401, which reflects the growing interest in the broader field of peptide therapy, a domain where enthusiasts often explore how specific sequences might help athletes build lean muscle or support restorative sleep patterns.

Technical Applications and Future Directions

The versatility of these molecules is vast. Whether it is a CH401 peptide—a HER2-derived antigen—or the classic MCDP, the focus remains on high-purity synthesis. When I order LKT Laboratories's Peptide 401, I prioritize the technical specifications, such as a purity level of ≥98%.

It is also worth noting that histamine may be released from rat peritoneal mast cells by compound 48/80 and peptide 401 in both the presence and absence of extracellular calcium. This specific behavior makes it an invaluable tool for labs mapping out immune responses. While some literature discusses how certain experimental compounds can stimulate the immunity of breast cancer patients, it is vital to remember these remain at the intersection of early-stage research and conceptual methodology.

Conclusion

Whether you are sourcing research-grade Mast Cell Degranulating Peptide for metabolic studies or investigating the structural nuances of the peptide itself, the k Storage:Up to 6 months in lyophilized form at 0-5°C. For best results, rehydrate just before use. After rehydration, keep solution at +4°C for up to 5 days Read more ey is to respect the complexity of the molecule. From its origin as a component present in small amounts in the venom of the European honeybee to its role in modern biochemical assays, peptide 401 continues to be a subject of fascination for researchers worldwide. Always ensure you are sourcing from verified suppliers and strictly adhering to the technical data sheets provided for each specific catalog number.

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