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99% Pure | USA Made | Multi DoseLL-37 is a human-derived antimicrobial peptide trusted by labs to model innate-immunity, antimicrobial defense, and wound-healing processes. Each 5 mg vial delivers a ready-to-use peptide that boosts microbial-killing assays, supports cell-migration in scratch-wound models, and activates innate-immune signaling—with no extra compounds or guesswork. Manufactured in the USA, HPLC-verified to ≥ 99% purity, and endotoxin-screened (< 0.1 EU/mg), LL-37 gives you crisp, reproducible data every time.
Peptides are not ready to use. Must purchase BAC water for reconstitution.
LL-37 rapidly disrupts bacterial membranes in vitro, making it ideal for quantifying antimicrobial potency.
Promotes keratinocyte and fibroblast migration in scratch assays, providing a clear readout of tissue-repair dynamics.
Activates Toll-like receptor pathways and cytokine release in macrophage cultures, supporting innate-immunity studies.
Penetrates and breaks down bacterial biofilms in static-culture models, enabling advanced infection-control research.
Downregulates pro-inflammatory markers (e.g., IL-1β, TNF-α) in immune-cell assays, modeling resolution phases.
Lyophilized powder—reconstitute in sterile water, store at 2–8 °C, and use within 7 days for consistent activity.
LL-37 is a naturally occurring, 37-amino-acid antimicrobial peptide (cathelicidin) that plays a key role in the body’s first line of defense. In research, LL-37 peptide is used to explore microbial killing, wound-closure mechanisms, and innate immune signaling, giving scientists a direct tool to study host-pathogen interactions and tissue repair.
Unlike generic antimicrobial reagents, LL-37 combines broad-spectrum bacterial activity with tissue-repair support in one molecule. Its balanced profile—effective against planktonic bacteria and biofilms, yet supportive of keratinocyte/fibroblast migration—makes LL-37 the go-to peptide for integrated infection and healing research.
What sets Retatrutide apart from traditional single-pathway compounds like semaglutide is its ability to address multiple metabolic pathways at once, making it highly attractive for advanced obesity, diabetes, and longevity studies.
To study antimicrobial defense, biofilm disruption, wound closure, and innate-immune signaling.
It binds and disrupts bacterial membranes, causing rapid cell lysis in culture assays.
Yes—LL-37 accelerates keratinocyte and fibroblast migration in scratch-wound models.
Researchers commonly use 1–10 µg/mL, adjusted per cell type and assay.
LL-37 modulates immune signals, reducing IL-1β and TNF-α in macrophage assays.
Dissolve in Sterile Water for Injection, gently mix until clear, then use immediately or store at 2–8 °C.
Store powder at – 20 °C; use reconstituted solution within 7 days at 2–8 °C.
Yes—it penetrates and disperses bacterial biofilms in static and flow-cell models.
No—strictly for research use only, not for therapeutic or veterinary applications.
Real Peptides offers ISO-certified, USA-made LL-37 (5 mg), ≥ 99% purity, and low endotoxin—available for research use only.
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