LL37 (5mg)

$115.00

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 0.2 lbs

Storage Instructions

Certificate of Analysis

Every batch undergoes rigorous third-party laboratory testing to verify identity, purity (≥98%), and quality before release.

View Certificate of Analysis
Third-Party Verified ≥98% Purity HPLC & MS Tested

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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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

Human Antimicrobial Peptide Triggered Colloidal Transformations in Bacteria Membrane Lipopolysaccharides.

Small (Weinheim an der Bergstrasse, Germany) 2022

The findings may further assist the formulation of antimicrobial nanomaterials with enhanced penetration of LPS layers for improved destruction of bacterial membranes.

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Laboratory Research
PubMed

Anti-Pythium insidiosum activity of MSI-78, LL-37, and magainin-2 antimicrobial peptides.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] 2022

All three AMPs showed antimicrobial activity with an MIC range of 20-80 mg/L against all strains.

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In Vitro Study
PubMed

In vitro activity of the antimicrobial peptides h-Lf1-11, MSI-78, LL-37, fengycin 2B, and magainin-2 against clinically important bacteria.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] 2022

The MSI-78 showed potent bactericidal activity with MIC range of 1.25-40 mg/L against all bacterial strains. The h-Lf1-11, magainin-2, and LL-37 exhibited moderate activity (MIC range of 40-160, 80-160, and 40-160 mg/L, respectively) while the fengycin 2B did not show significant activity against all bacterial strains tested.

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Molecular Analysis
PubMed

Targeting Cancer Heterogeneity with Immune Responses Driven by Oncolytic Peptides.

Trends in cancer 2021

In this context, oncolytic peptides stand out as promising therapeutic tools based on their ability to drive immunogenic cell death associated with robust anticancer immune responses independently of ITH.

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