LL37
LL37 research peptide. Third-party Certificates of Analysis are published for tested products and batches. Fast UK dispatch. For laboratory research use only.
Available sizes: 5 mg
An Antimicrobial Peptide Studied in Immune Defence and Inflammatory Signalling Research
LL-37 is a peptide studied in research examining the body’s natural defence mechanisms against microbes and environmental stressors. It plays a role in the signalling systems that help coordinate how the immune system responds to bacterial and inflammatory challenges.
Researchers investigate LL-37 because it interacts with pathways involved in antimicrobial defence, immune cell signalling, and inflammatory response regulation.
The peptide originates from a naturally occurring immune system protein known as cathelicidin, which is produced by immune and epithelial cells as part of the body’s innate defence system.
Why LL-37 Is Studied
Antimicrobial Signalling: LL-37 is studied for its ability to interact with microbial membranes and immune defence pathways.
Immune System Communication: Researchers examine how the peptide influences signalling between immune cells during inflammatory responses.
Inflammatory Pathway Research: Laboratory models explore how LL-37 participates in regulating immune signalling during tissue stress.
Barrier Defence Models: The peptide is frequently examined in studies investigating immune protection within epithelial tissues such as skin and mucosal surfaces.
Scientific Research Context
LL-37 forms part of the body’s innate immune defence system, which provides the first line of protection against microbial challenges. Antimicrobial peptides such as LL-37 interact with both microbial structures and immune signalling pathways.
Because of its dual role in microbial defence and immune communication, LL-37 is widely studied in laboratory research exploring immune signalling dynamics, antimicrobial peptide activity, and inflammatory response regulation.
Common Research Focus Areas
Antimicrobial peptide signalling research
Innate immune system studies
Inflammatory signalling pathway models
Immune cell communication research
Related Peptides
LL-37 is often discussed within immune and inflammatory signalling research examining how peptides interact with host defence systems.
Researchers studying immune signalling pathways may also investigate peptides involved in inflammatory regulation and tissue signalling such as KPV, which is studied for its interaction with inflammatory signalling pathways.
Documentation and verification
Certificates of Analysis are published for tested products and batches. A certificate is a batch-specific record: it reports what was measured, by which method, on a stated date, against a batch identifier. It is evidence about the sample analysed at the time of analysis, and it is silent on attributes it does not list and on what has happened to the material since.
The batch number is the field that connects the document to a physical vial. Where the identifier on a vial does not appear on a certificate, the certificate does not describe that vial, however thorough the analysis behind it was. Batch records can be searched directly, and the guides below explain what each field establishes and what it does not.
- Verify a batchSearch a batch number for the certificate records published against it.
- How to read a certificate of analysisWhat each field reports, and the limits of what a certificate can establish.
- Certificate, specification and safety data sheetThree documents that answer three different questions.
- Storage and handlingWhat defined storage conditions mean, and why cold slows degradation.
- Batch numbers and traceabilityHow an identifier ties material to the analysis describing it.
Supplied for laboratory research use only. Not for human or veterinary use.