{"id":916,"date":"2026-05-25T03:50:02","date_gmt":"2026-05-25T03:50:02","guid":{"rendered":"https:\/\/wuhantopmiraclepeptides.com\/?post_type=product&#038;p=916"},"modified":"2026-06-23T06:24:10","modified_gmt":"2026-06-23T06:24:10","slug":"ll-37-5mg","status":"publish","type":"product","link":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/product\/ll-37-5mg\/","title":{"rendered":"LL-37 (5mg)"},"content":{"rendered":"<h1><span class=\"\">LL-37 (5mg) Research Peptide: A Host Defense Peptide for Antimicrobial &amp; Immunomodulation Studies<\/span><\/h1>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">If your research investigates host defense peptides, innate immunity, or the molecular mechanisms of antimicrobial resistance,\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0offers a precisely defined and extensively characterised synthetic tool. LL-37 is a 37\u2011amino\u2011acid cationic antimicrobial peptide and the sole member of the human cathelicidin family<\/span><span class=\"\">. It is derived from the C\u2011terminal end of the 18\u2011kDa hCAP\u201118 protein<\/span><span class=\"\">and exhibits a broad spectrum of antimicrobial activity against bacteria, fungi, and viruses<\/span><span class=\"\">. Beyond its direct antimicrobial effects, LL\u201137 acts as a multifunctional host defense peptide that modulates innate immunity, promotes wound healing, and regulates inflammation<\/span><span class=\"\">. This makes\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0a valuable tool for laboratories investigating infectious disease, immunology, and tissue repair.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">At\u00a0<\/span><strong><span class=\"\">Wuhan Top Miracle Peptides<\/span><\/strong><span class=\"\">, we supply high\u2011purity\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0to research institutions and wholesale buyers across the\u00a0<\/span><strong><span class=\"\">United Kingdom, France, Germany, Spain, Sweden, Italy, and the USA<\/span><\/strong><span class=\"\">. Every batch is lyophilised, HPLC\u2011verified to \u226598% purity, and accompanied by a Certificate of Analysis (COA), ensuring your investigations into host defense mechanisms, microbial pathogenesis, and tissue regeneration begin with uncompromising quality.<\/span><\/p>\n<h2><span class=\"\">What Is LL\u201137 and How Does It Work?<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">To fully appreciate the research potential of\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">, it is essential to understand its biochemical structure and the mechanisms by which it exerts its pleiotropic effects.<\/span><\/p>\n<h3><span class=\"\">The 37\u2011Amino\u2011Acid Cathelicidin\u2011Derived Peptide<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137 is a 37\u2011residue, amphipathic, cationic peptide belonging to the cathelicidin family of host defense peptides<\/span><span class=\"\">. Its sequence is\u00a0<\/span><strong><span class=\"\">LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES<\/span><\/strong><span class=\"\">\u00a0(one\u2011letter code)<\/span><span class=\"\">. The peptide has a molecular formula of\u00a0<\/span><strong><span class=\"\">C\u2082\u2080\u2085H\u2083\u2084\u2080N\u2086\u2080O\u2085\u2083<\/span><\/strong><span class=\"\">, a molecular weight of approximately\u00a0<\/span><strong><span class=\"\">4493 Da<\/span><\/strong><span class=\"\">, and a CAS number of\u00a0<\/span><strong><span class=\"\">154947-66-7<\/span><\/strong><span class=\"\">. It has a net charge of\u00a0<\/span><strong><span class=\"\">+6<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The peptide results from extracellular cleavage of the C\u2011terminal end of the 18\u2011kDa hCAP\u201118 protein<\/span><span class=\"\">. Its amphipathic structure enables interaction with microbial membranes, while its cationic nature allows for electrostatic binding to negatively charged bacterial surfaces. The peptide can adopt mono\u2011, di\u2011, and tetrameric forms, supporting its functional versatility and stability<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Mechanism of Action: A Multifaceted Host Defense Peptide<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The biological activity of\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is mediated through several distinct yet interconnected mechanisms:<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Direct Antimicrobial Activity<\/span><\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The primary antimicrobial mechanism of LL\u201137 involves disruption of microbial cell membranes through electrostatic interactions and pore formation<\/span><span class=\"\">. The peptide effectively combats over\u00a0<\/span><strong><span class=\"\">38 bacteria, 16 fungi, and 16 viruses<\/span><\/strong><span class=\"\">. Its mechanisms include:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Membrane Rupture:<\/span><\/strong><span class=\"\">\u00a0Disruption of microbial cell wall and membrane integrity<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Biofilm Suppression:<\/span><\/strong><span class=\"\">\u00a0Inhibition of biofilm formation and disruption of established biofilms<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Intracellular Targeting:<\/span><\/strong><span class=\"\">\u00a0Interference with cell cycle, gene modification, and oxidative stress pathways<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Viral Inhibition:<\/span><\/strong><span class=\"\">\u00a0Disruption of viral envelopes, entry, and replication<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137 has shown promise against drug\u2011resistant infections including MRSA, VRE, and resistant\u00a0<\/span><em><span class=\"\">Klebsiella<\/span><\/em><span class=\"\">\u00a0strains<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Immunomodulatory Activity<\/span><\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Beyond direct antimicrobial effects, LL\u201137 modulates innate immunity through multiple pathways<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Endotoxin Neutralisation:<\/span><\/strong><span class=\"\">\u00a0Binds and inactivates lipopolysaccharide (LPS) and lipoteichoic acid<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Immune Cell Chemotaxis:<\/span><\/strong><span class=\"\">\u00a0Promotes chemotaxis of immune cells to sites of infection<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cytokine Modulation:<\/span><\/strong><span class=\"\">\u00a0Exerts both anti\u2011 and pro\u2011inflammatory effects depending on context<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Receptor Interaction:<\/span><\/strong><span class=\"\">\u00a0Interacts with plasma membrane receptors and mediates Ca\u00b2\u207a import<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Wound Healing &amp; Tissue Repair<\/span><\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137 plays a significant role in tissue repair and regeneration<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Angiogenesis:<\/span><\/strong><span class=\"\">\u00a0Upregulates VEGF to promote new blood vessel formation<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cell Migration &amp; Proliferation:<\/span><\/strong><span class=\"\">\u00a0Induces cell migration, proliferation, and differentiation<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Platelet Activation:<\/span><\/strong><span class=\"\">\u00a0Promotes platelet activation and thrombus formation during hemostasis<\/span><\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"\">Key Research Applications for LL\u201137 (5mg)<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is a versatile tool with applications spanning several domains of biomedical research.<\/span><\/p>\n<h3><span class=\"\">1. Antimicrobial &amp; Infectious Disease Research<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137&#8217;s broad\u2011spectrum activity against bacteria, fungi, and viruses makes it a valuable tool for studying host\u2011pathogen interactions<\/span><span class=\"\">. Research applications include:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Antibiotic Resistance Models:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137&#8217;s efficacy against drug\u2011resistant strains such as MRSA, VRE, and resistant\u00a0<\/span><em><span class=\"\">Klebsiella<\/span><\/em><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Biofilm Studies:<\/span><\/strong><span class=\"\">\u00a0Exploring the peptide&#8217;s ability to prevent biofilm formation and disrupt established biofilms<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Viral Inhibition:<\/span><\/strong><span class=\"\">\u00a0Studying LL\u201137&#8217;s mechanisms of antiviral activity, including disruption of viral envelopes and replication<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Synergistic Combinations:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137 in combination with existing antibiotics<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">2. Immunology &amp; Inflammation Research<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137&#8217;s dual anti\u2011 and pro\u2011inflammatory properties position it as a key tool for immunology research<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Endotoxin Neutralisation:<\/span><\/strong><span class=\"\">\u00a0Studying how LL\u201137 binds and inactivates LPS and lipoteichoic acid<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Immune Cell Signalling:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137&#8217;s interaction with plasma membrane receptors and Ca\u00b2\u207a signalling<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cytokine Networks:<\/span><\/strong><span class=\"\">\u00a0Exploring the peptide&#8217;s role in modulating inflammatory responses<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Autoimmune &amp; Inflammatory Disease:<\/span><\/strong><span class=\"\">\u00a0Studying LL\u201137&#8217;s involvement in conditions such as psoriasis and periodontitis<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">3. Wound Healing &amp; Tissue Repair Research<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">LL\u201137 promotes angiogenesis, cell migration, and proliferation, making it a valuable tool for tissue repair research<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Angiogenesis Studies:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137&#8217;s upregulation of VEGF and its role in new blood vessel formation<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Chronic Wound Models:<\/span><\/strong><span class=\"\">\u00a0Exploring LL\u201137&#8217;s efficacy in diabetic wound healing and other chronic wound models<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Skin &amp; Corneal Repair:<\/span><\/strong><span class=\"\">\u00a0Studying LL\u201137&#8217;s role in protecting the cornea and modulating wound healing<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scaffold &amp; Delivery Systems:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137 in combination with biomaterials for tissue engineering<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">4. Cancer &amp; Amyloid Research<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Emerging research has explored LL\u201137&#8217;s anti\u2011cancer and anti\u2011amyloidogenic properties<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cancer Cell Cytotoxicity:<\/span><\/strong><span class=\"\">\u00a0Investigating LL\u201137&#8217;s preferential killing of infected and cancer cells<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Amyloid\u2011Related Diseases:<\/span><\/strong><span class=\"\">\u00a0Studying LL\u201137&#8217;s influence on amyloid\u2011related diseases<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Gut\u2011Brain Axis:<\/span><\/strong><span class=\"\">\u00a0Exploring LL\u201137&#8217;s role in mucosal immunity and neuroinflammation<\/span><\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"\">Chemical &amp; Physical Specifications for LL-37 (5mg)<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Accurate characterisation of\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is essential for reproducible experimental design.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Parameter<\/span><\/th>\n<th><span class=\"\">Specification<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">Common Names<\/span><\/strong><\/td>\n<td><span class=\"\">LL\u201137, Human Cathelicidin, hCAP\u201118 Fragment<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Amino Acid Sequence (One\u2011Letter)<\/span><\/strong><\/td>\n<td><span class=\"\">LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Amino Acid Sequence (Three\u2011Letter)<\/span><\/strong><\/td>\n<td><span class=\"\">Leu\u2011Leu\u2011Gly\u2011Asp\u2011Phe\u2011Phe\u2011Arg\u2011Lys\u2011Ser\u2011Lys\u2011Glu\u2011Lys\u2011Ile\u2011Gly\u2011Lys\u2011Glu\u2011Phe\u2011Lys\u2011Arg\u2011Ile\u2011Val\u2011Gln\u2011Arg\u2011Ile\u2011Lys\u2011Asp\u2011Phe\u2011Leu\u2011Arg\u2011Asn\u2011Leu\u2011Val\u2011Pro\u2011Arg\u2011Thr\u2011Glu\u2011Ser<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Molecular Formula<\/span><\/strong><\/td>\n<td><span class=\"\">C\u2082\u2080\u2085H\u2083\u2084\u2080N\u2086\u2080O\u2085\u2083<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Molecular Weight<\/span><\/strong><\/td>\n<td><span class=\"\">~4493 Da<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">CAS Number<\/span><\/strong><\/td>\n<td><span class=\"\">154947\u201166\u20117<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Net Charge<\/span><\/strong><\/td>\n<td><span class=\"\">+6<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Purity<\/span><\/strong><\/td>\n<td><strong><span class=\"\">\u226598%<\/span><\/strong><span class=\"\">\u00a0(HPLC verified)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Appearance<\/span><\/strong><\/td>\n<td><span class=\"\">White to off\u2011white lyophilised powder<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Solubility<\/span><\/strong><\/td>\n<td><span class=\"\">Soluble in sterile water and sterile PBS (pH 5\u20117)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Storage (Lyophilised)<\/span><\/strong><\/td>\n<td><span class=\"\">\u201320\u00b0C, sealed, protected from light; stable for up to 2 years<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Storage (Reconstituted)<\/span><\/strong><\/td>\n<td><span class=\"\">2\u20118\u00b0C for short\u2011term use; single\u2011use aliquots at \u201320\u00b0C for long\u2011term storage<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Note:<\/span><\/strong><span class=\"\">\u00a0The 5\u202fmg mass refers to the weight of the peptide in its lyophilised form. LL\u201137 is typically supplied as a TFA or acetate salt. The peptide should be stored protected from moisture and light, preferably under nitrogen for long\u2011term storage<\/span><span class=\"\">.<\/span><\/p>\n<\/blockquote>\n<h2><span class=\"\">Reconstitution &amp; Handling Protocol for LL\u201137 (5mg)<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Proper reconstitution of\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0is critical for maintaining its structural integrity and biological activity. LL\u201137 is susceptible to proteolytic degradation<\/span><span class=\"\">, so careful handling is essential.<\/span><\/p>\n<h3><span class=\"\">Step 1 \u2013 Preparation<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Bring the sealed LL\u201137 vial and your chosen diluent (sterile bacteriostatic water or sterile PBS, pH\u202f5\u20117) to room temperature.\u00a0<\/span><em><span class=\"\">Condensation can degrade the lyophilised powder.<\/span><\/em><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Clean your work surface with 70% ethanol and lay out sterile syringes, alcohol wipes and a clean work mat.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 2 \u2013 Vial Sanitisation<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Wipe the rubber stopper of the LL\u201137 vial with a fresh 70% ethanol wipe. Allow the alcohol to evaporate completely before piercing.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 3 \u2013 Reconstitution<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Draw your desired volume of diluent into a sterile syringe. A common starting concentration for research applications is\u00a0<\/span><strong><span class=\"\">5\u202fmg per 0.5\u202fmL of diluent<\/span><\/strong><span class=\"\">, yielding a\u00a0<\/span><strong><span class=\"\">10\u202fmg\/mL<\/span><\/strong><span class=\"\">\u00a0stock solution.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Insert the needle and slowly inject the diluent\u00a0<\/span><strong><span class=\"\">against the inner glass wall<\/span><\/strong><span class=\"\">. Do not spray directly onto the lyophilised powder.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Gently swirl the vial until the solution is clear and fully dissolved.\u00a0<\/span><strong><span class=\"\">Do not shake vigorously<\/span><\/strong><span class=\"\">, as shaking can cause denaturation.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Step 4 \u2013 Aliquoting &amp; Storage<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Immediately after dissolution, aliquot the reconstituted LL\u201137 into single\u2011use sterile vials.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Store aliquots at \u201320\u00b0C.\u00a0<\/span><strong><span class=\"\">Avoid repeated freeze\u2011thaw cycles<\/span><\/strong><span class=\"\">, as peptides are susceptible to degradation<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Once thawed, store at 2\u20118\u00b0C and use within a short period.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">Concentration Reference Table for LL-37 (5mg)<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Vial Mass<\/span><\/th>\n<th><span class=\"\">Diluent Volume<\/span><\/th>\n<th><span class=\"\">Final Concentration<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">5\u202fmg<\/span><\/td>\n<td><span class=\"\">0.5\u202fmL<\/span><\/td>\n<td><span class=\"\">10\u202fmg\/mL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">5\u202fmg<\/span><\/td>\n<td><span class=\"\">1.0\u202fmL<\/span><\/td>\n<td><span class=\"\">5\u202fmg\/mL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">5\u202fmg<\/span><\/td>\n<td><span class=\"\">2.5\u202fmL<\/span><\/td>\n<td><span class=\"\">2\u202fmg\/mL<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><em><span class=\"\">Adjust diluent volume based on your experimental requirements. For cell culture applications, typical working concentrations range from\u00a0<\/span><strong><span class=\"\">1\u201110\u202f\u00b5M<\/span><\/strong><span class=\"\">, though higher concentrations (up to 300\u202f\u00b5M) have been reported in some research models<\/span><span class=\"\">.<\/span><\/em><\/p>\n<h2><span class=\"\">Storage &amp; Stability Guidelines for LL-37 (5mg)<\/span><\/h2>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Storage Condition<\/span><\/th>\n<th><span class=\"\">Shelf Life<\/span><\/th>\n<th><span class=\"\">Notes<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">Lyophilised at \u201320\u00b0C, unopened<\/span><\/td>\n<td><span class=\"\">2 years<\/span><\/td>\n<td><span class=\"\">Use desiccant, protect from light and moisture<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Lyophilised at 2\u20118\u00b0C, unopened<\/span><\/td>\n<td><span class=\"\">6\u201112 months<\/span><\/td>\n<td><span class=\"\">\u201320\u00b0C storage is strongly preferred for long\u2011term stability<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Reconstituted at 2\u20118\u00b0C<\/span><\/td>\n<td><span class=\"\">Short\u2011term use<\/span><\/td>\n<td><span class=\"\">Use within days to weeks<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Reconstituted aliquots at \u201320\u00b0C<\/span><\/td>\n<td><span class=\"\">Up to 3 months<\/span><\/td>\n<td><span class=\"\">Single freeze only; discard after thawing<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Reconstituted aliquots at \u201380\u00b0C<\/span><\/td>\n<td><span class=\"\">Up to 6 months<\/span><\/td>\n<td><span class=\"\">Recommended for long\u2011term storage<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"\">Why Choose Wuhan Top Miracle Peptides for LL\u201137 (5mg)?<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">As an authentic licensed peptide supplier based in the\u00a0<\/span><strong><span class=\"\">United Kingdom<\/span><\/strong><span class=\"\">, we supply\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0and a wide range of research\u2011grade compounds under rigorous quality assurance protocols, fully aligned with Google&#8217;s\u00a0<\/span><strong><span class=\"\">E\u2011E\u2011A\u2011T<\/span><\/strong><span class=\"\">\u00a0standards (Experience, Expertise, Authoritativeness, Trustworthiness).<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Verified Purity:<\/span><\/strong><span class=\"\">\u00a0Independent HPLC analysis with purity guaranteed\u00a0<\/span><strong><span class=\"\">\u226598%<\/span><\/strong><span class=\"\">\u00a0for every batch.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">GMP\u2011Compliant Manufacturing:<\/span><\/strong><span class=\"\">\u00a0All peptides are synthesised under strict quality control conditions.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Full Traceability:<\/span><\/strong><span class=\"\">\u00a0Batch\u2011specific Certificates of Analysis (COA) are available for every order.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Wholesale Supply:<\/span><\/strong><span class=\"\">\u00a0We serve research institutions, laboratories, and wholesale buyers across the UK, EU, and USA with flexible volume pricing and reliable logistics.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">UK\u2011Based Regulatory Compliance:<\/span><\/strong><span class=\"\">\u00a0All products are supplied strictly as research\u2011grade chemicals for laboratory use only (RUO).<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Researchers across the United Kingdom\u2014including those at leading institutions in London, Cambridge, Oxford, Manchester, and Edinburgh\u2014trust us for fast domestic delivery, transparent documentation and professional technical support.<\/span><\/p>\n<h2><span class=\"\">FAQ: LL\u201137 (5mg) Research Peptide<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">What is LL\u201137 (5mg) research peptide?<\/span><\/strong><br \/>\n<span class=\"\">LL\u201137 is a 37\u2011amino\u2011acid cationic antimicrobial peptide and the sole member of the human cathelicidin family<\/span><span class=\"\">. It is derived from the C\u2011terminal end of the hCAP\u201118 protein<\/span><span class=\"\">and exhibits broad\u2011spectrum antimicrobial, immunomodulatory, and wound\u2011healing activities<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">What is the sequence and molecular weight of LL\u201137?<\/span><\/strong><br \/>\n<span class=\"\">The sequence is\u00a0<\/span><strong><span class=\"\">LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES<\/span><\/strong><span class=\"\">. Its molecular weight is approximately\u00a0<\/span><strong><span class=\"\">4493 Da<\/span><\/strong><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">What are the primary research applications for LL\u201137?<\/span><\/strong><br \/>\n<span class=\"\">LL\u201137 is used in antimicrobial and infectious disease research (including drug\u2011resistant strains)<\/span><span class=\"\">, immunology and inflammation research<\/span><span class=\"\">, wound healing and tissue repair studies<\/span><span class=\"\">, and cancer and amyloid research<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">What is the mechanism of action of LL\u201137?<\/span><\/strong><br \/>\n<span class=\"\">LL\u201137 acts through multiple mechanisms: direct membrane disruption of microbes<\/span><span class=\"\">, immunomodulation via endotoxin neutralisation and cytokine modulation<\/span><span class=\"\">, and promotion of angiogenesis, cell migration, and proliferation<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">What purity does your LL\u201137 (5mg) meet?<\/span><\/strong><br \/>\n<span class=\"\">Our LL\u201137 is tested to\u00a0<\/span><strong><span class=\"\">\u226598% purity<\/span><\/strong><span class=\"\">\u00a0by HPLC. A Certificate of Analysis (COA) is supplied with every order.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">How should I reconstitute LL\u201137 (5mg)?<\/span><\/strong><br \/>\n<span class=\"\">Reconstitute with sterile bacteriostatic water or sterile PBS (pH\u202f5\u20117). Allow the vial to reach room temperature, then slowly inject the diluent against the inner glass wall and swirl gently. Do not shake.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">How should I store reconstituted LL\u201137?<\/span><\/strong><br \/>\n<span class=\"\">Reconstituted LL\u201137 should be stored at 2\u20118\u00b0C for short\u2011term use. For longer storage, aliquot immediately into single\u2011use vials and store at \u201320\u00b0C for up to 3 months or at \u201380\u00b0C for up to 6 months<\/span><span class=\"\">. Avoid repeated freeze\u2011thaw cycles.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Is LL\u201137 research peptide legal to purchase in the UK?<\/span><\/strong><br \/>\n<span class=\"\">Yes. LL\u201137 is a laboratory reagent sold for\u00a0<\/span><strong><span class=\"\">research use only (RUO)<\/span><\/strong><span class=\"\">. It is fully legal to purchase, possess, and use in the United Kingdom for legitimate in\u2011vitro or in\u2011vivo scientific research, provided it is not marketed with therapeutic claims.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Does Wuhan Top Miracle Peptides ship internationally?<\/span><\/strong><br \/>\n<span class=\"\">Yes. We ship across the EU (France, Germany, Spain, Sweden, Italy) and to the USA from our UK warehouse. Wholesale pricing is available for bulk orders.<\/span><\/p>\n<h2>Wholesale LL-37 5mg Supply Across the UK and Europe<\/h2>\n<p class=\"isSelectedEnd\">Wuhan Top Miracle Peptides supports wholesale peptide buyers in the United Kingdom and international markets.<\/p>\n<h3>We Support Enquiries From:<\/h3>\n<ul data-spread=\"false\">\n<li>United Kingdom<\/li>\n<li>France<\/li>\n<li>Germany<\/li>\n<li>Spain<\/li>\n<li>Sweden<\/li>\n<li>Italy<\/li>\n<li>USA<\/li>\n<li>Wider Europe<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">For larger LL-37 5mg enquiries, contact our team before ordering. This helps confirm stock, documentation, shipping options, product identity, and buyer verification requirements.<\/p>\n<h2>Where to Source LL-37 5mg in the UK<\/h2>\n<p class=\"isSelectedEnd\">If you are searching for <strong>where to source LL-37 (5mg) in the UK<\/strong>, Wuhan Top Miracle Peptides provides a simple professional enquiry process.<\/p>\n<h3>Professional Enquiry Process<\/h3>\n<ol start=\"1\" data-spread=\"false\">\n<li>Review the LL-37 (5mg) product details.<\/li>\n<li>Check the current label and batch information.<\/li>\n<li>Confirm whether the batch is listed as LL-37, LL37, cathelicidin peptide, CAMP peptide, or another verified identity.<\/li>\n<li>Ask about COA and purity-related documentation.<\/li>\n<li>Confirm the sequence and salt form where required.<\/li>\n<li>Confirm your shipping country.<\/li>\n<li>Discuss wholesale quantity requirements.<\/li>\n<li>Complete buyer verification where required.<\/li>\n<li>Place a professional enquiry with support from our team.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/bulk-orders\/\"><strong>Bulk Peptides Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/shipping-returns\/\"><strong>Shipping &amp; Returns Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/contact-us\/\"><strong>Contact Us Page<\/strong><\/a><br \/>\n<a href=\"https:\/\/wuhantopmiraclepeptides.com\/index.php\/shop-3\/\"><strong>Shop Page<\/strong><\/a><br \/>\n<strong>Quality \/ Compliance Page<\/strong><br \/>\n<strong>NCBI Gene \/ CAMP reference<\/strong><br \/>\n<strong>Scientific or peer-reviewed reference source<\/strong><br \/>\n<strong>GOV.UK \/ MHRA<\/strong><br \/>\n<strong>Google Search Central<\/strong><br \/>\n<strong>ASA \/ CAP Code Section 12<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">From its discovery as the sole human cathelicidin to its well\u2011characterised role as a multifunctional host defense peptide,\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0provides a precisely defined and increasingly valuable platform for advanced antimicrobial and immunology research. Its ability to combat over 38 bacteria, 16 fungi, and 16 viruses<\/span><span class=\"\">, modulate innate immunity<\/span><span class=\"\">, and promote wound healing<\/span><span class=\"\">\u2014supported by a growing body of peer\u2011reviewed literature published in\u00a0<\/span><em><span class=\"\">ScienceDirect<\/span><\/em><span class=\"\">,\u00a0<\/span><em><span class=\"\">PubMed<\/span><\/em><span class=\"\">, and other authoritative journals\u2014makes it a valuable addition to any laboratory investigating host\u2011pathogen interactions, innate immunity, or tissue repair. By choosing high\u2011purity, lab\u2011verified\u00a0<\/span><strong><span class=\"\">LL-37 (5mg) research peptide<\/span><\/strong><span class=\"\">\u00a0from\u00a0<\/span><strong><span class=\"\">Wuhan Top Miracle Peptides<\/span><\/strong><span class=\"\">, you ensure that your research is built on a foundation of quality, reproducibility, and scientific integrity.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Ready to advance your research with LL\u201137 (5mg)?<\/span><\/strong><span class=\"\">\u00a0Browse our product catalogue, request a wholesale quote, or contact our support team today to discuss your laboratory&#8217;s specific needs.\u00a0<\/span><strong><span class=\"\">Place your order now<\/span><\/strong><span class=\"\">\u00a0and receive GMP\u2011grade LL\u201137 delivered directly to your facility in the UK, EU, or USA.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<h2>LL-37 (5mg)<\/h2>\n<p>Buy Professional LL-37 (5mg) UK enquiry page. Request COA, batch documentation and compliant wholesale peptide supply support.<\/p>\n","protected":false},"featured_media":197,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[18],"product_tag":[914,936,934,929,495,515,933,916,935,930,926,923,921,917,915,920,922,931,919,924,918,925,928,932,927,499,498,442,496,497],"class_list":["post-916","product","type-product","status-publish","has-post-thumbnail","product_cat-peptides","product_tag-buy-ll-37-online-uk","product_tag-camp-peptide-reference-documentation","product_tag-cathelicidin-research-peptide","product_tag-cheap-ll-37-uk","product_tag-coa-and-batch-review","product_tag-compliance-led-supply-discussion","product_tag-ll-37-5mg-uk-documentation-request","product_tag-ll-37-antimicrobial-peptide-for-use","product_tag-ll-37-batch-documentation","product_tag-ll-37-before-and-after","product_tag-ll-37-dosage","product_tag-ll-37-for-bacterial-infection","product_tag-ll-37-for-gut-health","product_tag-ll-37-for-immune-support","product_tag-ll-37-for-infection","product_tag-ll-37-for-inflammation","product_tag-ll-37-for-lyme-disease","product_tag-ll-37-for-personal-use","product_tag-ll-37-for-skin-repair","product_tag-ll-37-for-viral-infection","product_tag-ll-37-for-wound-healing","product_tag-ll-37-injection-guide","product_tag-ll-37-no-prescription","product_tag-ll-37-professional-enquiry","product_tag-ll-37-treatment-uk","product_tag-peptide-purity-documentation","product_tag-professional-peptide-enquiry","product_tag-research-peptide-supply-uk","product_tag-verified-buyer-documentation","product_tag-wholesale-peptide-support","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product\/916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/comments?post=916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/media\/197"}],"wp:attachment":[{"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/media?parent=916"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=916"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=916"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wuhantopmiraclepeptides.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}