The only human cathelicidin antimicrobial peptide, playing key roles in innate immune defense, wound healing, and modulation of inflammatory responses.
3 Biotech|2026|Bicer M et al.
Mesenchymal stem cells (MSCs) have emerged as promising alternatives to fight drug-resistant bacterial infections. This study investigates the antibacterial activity of palatal adipose tissue-derived MSCs (PMSCs), particularly when cultured within a…
PMID: 42146302
Proceedings of the National Academy of Sciences of the United States of America|2026|Zhang Y et al.
Immune cell populations are dysregulated in COVID-19 for currently unknown reasons: Plasmacytoid dendritic cell (pDC) populations are reduced, thus hampering antiviral responses. CD8T cell populations are reduced, the level of which has emerged as an…
Animal StudyIn Vitro
PMID: 41505524
BMC microbiology|2026|Yan Y et al.
BACKGROUND: Pseudomonas aeruginosa is a major cause of acute nosocomial infections, as well as chronic respiratory infections associated with cystic fibrosis (CF). In chronic lung infections, P. aeruginosa populations typically exhibit extensive phen…
PMID: 42151817
Experimental physiology|2026|Nourizadeh M et al.|1 citation
Cathelicidins are evolutionarily conserved host defence peptides known for their dual antimicrobial and immunomodulatory functions. Among them, LL-37 in humans and CRAMP in rodents have emerged as crucial regulators of both mucosal immunity and CNS i…
Review
PMID: 41493387
Frontiers in microbiology|2026|Keshavarz S, Hirschfeld J, Grant M
INTRODUCTION: Periodontitis is a plaque-induced condition that causes irreparable damage to the supporting tissues of the teeth, and tobacco smoking is a recognized exacerbating and risk factor. Antibiotic-resistant bacteria are a consequence of anti…
PMID: 42131197
Scientific reports|2026|Zielke C et al.
The human cathelicidin host defense peptide LL-37 is expressed by many cell types, including neutrophils, macrophages, and epithelial cells, and forms complexes with nucleic acids that can have either beneficial or detrimental health effects. We sugg…
PMID: 42156793
Cells|2026|E T et al.
The gastrointestinal mucus barrier (GIMB) is a gelatinous structure consisting primarily of mucins, water, and cathelicidin. Such a structure is the first line of defense against pathogens in the intestinal cavity and acts an important environment fo…
Review
PMID: 41972709
Cellular and molecular life sciences : CMLS|2026|Chai J et al.
TLR-targeted immunotherapy represents a promising strategy for combating infectious diseases by initiating or enhancing protective antimicrobial immunity. Here, we identified the first frog-derived TLR2 and TLR4 agonist, Cathelicidin-Ka (Cath-Ka), fr…
PMID: 41540150
Infection and immunity|2026|Abbireddy S et al.
Bacterial keratitis is a potentially blinding corneal infection, withandbeing the leading gram-positive and gram-negative pathogens, respectively. The increasing antimicrobial resistance among these pathogens necessitates the development of newer the…
PMID: 42060691
Antibiotics (Basel, Switzerland)|2026|Cândido E et al.
The growing global threat of antimicrobial resistance (AMR), particularly in cutaneous wound infections, represents a significant clinical and economic challenge. Biofilm formation by multidrug-resistant pathogens, such as, often complicates healing…
Animal Study
PMID: 41594114
Frontiers in immunology|2026|Schröder Alvarez L et al.
INTRODUCTION: Activated polymorphonuclear neutrophils (PMN) release neutrophil extracellular traps (NETs) composed of a web-like DNA core, concomitant with nuclear histones, granular peptides and enzymes. NETs in human urine and their potential role…
PMID: 41918743
Biochimie|2026|Dou H et al.
The escalating global threat of antimicrobial resistance (AMR) and chronic biofilm-associated infections underscores the urgent need for novel therapeutic agents. Antimicrobial peptides (AMPs) offer a promising alternative due to their potent activit…
Animal Study
PMID: 41421641
European journal of medicinal chemistry|2026|Wang C et al.|1 citation
GF-17, the main antimicrobial domain of LL-37, exhibits optimal amphipathicity and heightened hydrophobicity, leading to increased hemolytic activity. A series of novel GF-17-like antimicrobial peptides (AMPs) were designed using lysine scanning to e…
Animal StudyIn Vitro
PMID: 41175676
Advances in protein chemistry and structural biology|2026|Behera P et al.
Antimicrobial peptides (AMPs) are tiny proteins essential for innate immunity in various taxa, including mammals and insects. They provide defence against a wide range of pathogens, including bacteria, viruses, fungi, and parasites. Apart from their…
Review
PMID: 41581940
American journal of physiology. Gastrointestinal and liver physiology|2026|Gromova B et al.|1 citation
Sterile inflammation, resulting from hepatocyte death and subsequent release of damage-associated molecular patterns (DAMPs), significantly contributes to liver disease pathogenesis. Neutrophils, as primary responders to liver injury, undergo NETosis…
Review
PMID: 41324991
Nanoscale|2026|Jin X, Wang H, Tang H
The host-defense peptide cathelicidin LL37 is an innate immune defense peptide with broad-spectrum antimicrobial effects. Experiments showed that the antimicrobial activity of LL37(17-29), the active core of LL37, was associated with peptide aggregat…
PMID: 41945358
Molecular immunology|2026|He J et al.
OBJECTIVE: This study aimed to elucidate the molecular mechanisms through which CXCL2 contributes to the pathogenesis of idiopathic interstitial pneumonia (IIP). METHODS: Neutrophils were isolated, and the formation of neutrophil extracellular traps…
Animal Study
PMID: 41443150
Journal of applied microbiology|2026|Bicer M et al.
AIMS: This study examines the in vitro antibacterial activity of palatal adipose tissue-derived mesenchymal stem cells (PAT-MSCs) and the expression of antimicrobial peptide LL-37, with a particular focus on the effect of three-dimensional (3D) nanof…
In Vitro
PMID: 42138636
Journal of medical microbiology|2026|Xiao Q et al.
The increasing resistance and the pathogen's complex multi-drug resistance mechanisms made the selection of effective antimicrobial treatments more challenging for(). The study aimed to explore the effect of,and antimicrobial peptide LL-37 on the vir…
PMID: 41637127
JACS Au|2026|Zhang J et al.
Synergistic bactericidal effects between antimicrobial peptides (AMPs) have been widely studied, yet their cooperative roles in reducing host-cell cytotoxicity remain poorly understood. Inspired by the cross-seeding observed in α-synuclein and β-amyl…
PMID: 41889757