LL-37 5mg

THIS PRODUCT IS INTEDED AS A RESEARCH CHEMICAL ONLY.
This designation allows the use of research chemicals strictly in vitro for testing and laboratory experimentation only. All products information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professional. This product is not a drug, food or cosmetic and may not be misbranded, misused or mislabled as a drug food or cosmetic.

LL-37 5mg       

LL-37, the only naturally occurring human cathelicidin antimicrobial peptide, consisting of 37 amino acids. Derived from the precursor protein hCAP18 (Human Cationic Antimicrobial Protein-18), LL-37 plays a central role in the body's innate immune system and has become one of the most extensively studied host-defense peptides in modern biomedical research. Scientists continue to investigate LL-37 for its broad involvement in innate immunity, immune signaling, wound healing, tissue regeneration, inflammation, and epithelial barrier function.

Unlike conventional peptides that primarily function through hormone receptors, LL-37 exhibits multiple biological activities. It can directly interact with microbial membranes while simultaneously influencing immune cell communication, inflammatory signaling pathways, and tissue repair mechanisms. Because of this multifunctional profile, LL-37 has become an important research tool for studying host defense mechanisms and the complex relationship between immunity and regeneration.

One of the defining characteristics of LL-37 is its role in innate immune defense. Experimental studies have demonstrated that LL-37 is naturally produced by neutrophils, macrophages, epithelial cells, and numerous mucosal tissues throughout the body. Researchers continue to investigate how this peptide contributes to the body's first-line defense against microbial challenges while simultaneously regulating immune responses to prevent excessive inflammation.

Beyond antimicrobial research, LL-37 has attracted considerable attention in wound healing and regenerative medicine. Laboratory studies have explored its potential influence on keratinocyte migration, fibroblast activity, angiogenesis, collagen remodeling, and epithelial regeneration. These biological processes are essential for maintaining tissue integrity following injury, making LL-37 an important investigational compound in skin biology and regenerative research.

Researchers have also investigated LL-37 in studies involving immune modulation, inflammatory disorders, respiratory biology, gastrointestinal barrier function, cardiovascular research, and chronic wound models. Rather than acting solely as an antimicrobial peptide, LL-37 appears to function as a signaling molecule that coordinates communication between immune cells and damaged tissues. Ongoing investigations continue to improve scientific understanding of its diverse biological activities and therapeutic potential in experimental settings.

Areas of Scientific Research

LL-37 continues to be investigated in laboratory studies involving:

• Innate immune system biology
• Human cathelicidin signaling
• Host-pathogen interactions
• Antimicrobial peptide research
• Immune modulation and cytokine regulation
• Wound healing and tissue regeneration
• Skin biology and epithelial repair
• Angiogenesis and extracellular matrix remodeling
• Respiratory epithelial biology
• Gastrointestinal barrier function
• Inflammatory signaling pathways
• Biofilm and microbial membrane research
• Oxidative stress and cellular protection
• Regenerative medicine

These research areas continue to expand as scientists investigate the diverse biological functions of LL-37 and its role in coordinating immune defense with tissue repair.

Product Quality

LL-37 5mg is supplied as a lyophilized (freeze-dried) powder, a presentation widely used for preserving peptide stability during storage and transportation. Freeze-drying minimizes moisture-related degradation while maintaining peptide integrity until reconstitution according to laboratory protocols.

High-quality research peptides should undergo comprehensive analytical testing using recognized laboratory techniques such as High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS) to verify peptide identity, purity, and batch consistency. These quality-control procedures help support reliable and reproducible scientific investigations.

This product is intended exclusively for laboratory and scientific research. It is not intended for human consumption, therapeutic use, or veterinary applications.