LL37 (5mg)

$90.00

SKU: YPB.244 Category:

Description

A single-component research material supplied for controlled research environments. LL-37 is a synthetic cathelicidin-derived peptide used in research exploring innate immunity, antimicrobial pathways, and wound-healing models in controlled systems.


Composition

• LL-37
Appearance: Lyophilized powder in a sealed research vial


Research Focus (non-clinical)

• Characterization of LL-37 in antimicrobial activity assays
• Studies on immune modulation and inflammatory pathway signaling
• Evaluation in cell culture and tissue models related to epithelial repair
• Stability and solubility profiling under laboratory storage conditions

For qualified research professionals and institutional laboratories. Not for human use.


Documentation & Quality Assurance

Each lot is sourced through our verified global supply chain with emphasis on traceability and quality control. We work diligently to obtain and maintain third-party analytical reports (HPLC/LC-MS) and Certificates of Analysis for each batch, as part of our ongoing quality process. These documents are reviewed internally and displayed as they become available. Independent third-party testing is also performed on select lots to confirm identity, purity, and alignment with our internal specifications.


Important Notice

This product is intended for laboratory research use only. It is not intended for human or veterinary use, and must not be used for diagnostic, therapeutic, or clinical purposes.
This material is not a drug, medical device, or dietary supplement, and has not been evaluated by the U.S. Food and Drug Administration.


Quality & Manufacturing

All materials are sourced from carefully vetted domestic and international manufacturing partners who follow quality systems consistent with ISO and cGMP principles. Each supplier is reviewed for reliability, documentation integrity, and transparency in testing.

We require a verified purity of 99% or higher and perform independent third-party spot testing to confirm that select lots meet our internal standards for identity, purity, and composition. Where available, endotoxin testing results are included on Certificates of Analysis to verify laboratory purity; their inclusion is for research quality assessment only and does not imply suitability for human or veterinary use.

All research materials are sealed for integrity and packaged for stability during storage and transport from manufacturing through final delivery.

Additional information

Weight 0.5 lbs

Storage Instructions

Certificate of Analysis

LL37 - COA - Debs Peptalk

Research Use Only

These studies reference research-grade peptides for laboratory and scientific investigation only. Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease.

Published Scientific Research

Peer-reviewed laboratory research investigating research peptides from leading scientific databases

Molecular Analysis
PubMed

A sonosensitive diphenylalanine-based broad-spectrum antimicrobial peptide.

Nature biomedical engineering 2025

The antimicrobial effect of antimicrobial peptides is typically slow; they can be rapidly biodegraded and often have non-selective toxicity and elaborate sequences. Here we report a short peptide that is activated by ultrasound, that shows high broad-spectrum antibacterial efficiency (>99%) against clinically isolated methicillin-resistant bacteria (specifically, Staphylococcus aureus, Escherichia coli, Staphylococcus epidermidis, Enterobacter cancerogenus and Pseudomonas aeruginosa) with 15 m

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Mechanism Study
PubMed

Research progress in the role of ultraviolet in the pathogenesis of rosacea.

Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences 2025

Its pathophysiological mechanisms involve multiple factors.

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Laboratory Research
PubMed

Cathelicidin LL-37 in periodontitis: current research advances and future prospects - A review.

International immunopharmacology 2025

LL-37 is the sole member of the cathelicidin family of antimicrobial peptides in humans, primarily produced by phagocytic leukocytes and epithelial cells, mediating a wide range of biological responses. Discovered in human neutrophils, LL-37 is known for its broad-spectrum antimicrobial activity and immunomodulatory functions. In periodontitis, LL-37 is mainly expressed in gingival epithelium, gingival sulcus fluid, and saliva. Emerging evidence from several studies suggests that LL-37 is signif

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In Vitro Study
PubMed

Milk-derived extracellular vesicles functionalized with anti-tumour necrosis factor-α nanobody and anti-microbial peptide alleviate ulcerative colitis in mice.

Journal of extracellular vesicles 2024

In mice with chronic UC, simultaneously introducing VHH and an antimicrobial peptide LL37 into EV (EV), then administering orally improved intestinal barrier, inflammation and microbiota balance, resulted in relief of UC-induced depression and anxiety. Collectively, we demonstrated that oral delivery of EV effectively alleviated UC in mice and TAT efficiently loaded biologics into EV to confer protection from degradation in the gastrointestinal tract.

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Molecular Analysis
PubMed

Synthetic polypeptides inhibit nucleic acid-induced inflammation in autoimmune diseases by disrupting multivalent TLR9 binding to LL37-DNA bundles.

Nature nanotechnology 2024

Inspired by this, we synthesize a polyarginine nanoparticle PEG-TK-NP, which effectively inhibits Toll-like receptor-9 (TLR9) activation, in contrast to LL37.

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Laboratory Research
PubMed

Cathelicidin peptide LL-37: A multifunctional peptide involved in heart disease.

Pharmacological research 2024

In recent years, LL-37 has been found to have a variety of biological functions, including its role in the regulation of atherosclerosis, thrombosis, inflammatory responses, and cardiac hypertrophy.

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