The only human cathelicidin antimicrobial peptide, playing key roles in innate immune defense, wound healing, and modulation of inflammatory responses.
Carbohydrate research|2026|Grzywacz D et al.
Glycosylation represents a versatile strategy in peptide glycoengineering to modulate the structural, physicochemical, and biological properties of antimicrobial peptides (AMPs). In this study, we report the synthesis and characterization of O- and N…
PMID: 41780202
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
Biophysical chemistry|2026|Giraldo-Lorza J et al.
The limited selectivity of antimicrobial peptides (AMPs) can lead to unintended damage to healthy eukaryotic cells, a process strongly influenced by membrane physicochemical properties. Cholesterol (CHO) is a key regulator of lipid packing, membrane…
PMID: 42134226
International journal of molecular sciences|2026|Fouani M et al.
Transient receptor potential vanilloid 4 (TRPV4) is a polymodal cation channel that is widely expressed in sensory neurons, immune cells, and structural tissues, where it integrates mechanical, osmotic, and chemical stimuli to regulate both physiolog…
Review
PMID: 41898724
bioRxiv : the preprint server for biology|2026|Barua A et al.
Macrophage antimicrobial programs are regulated not only by transcriptional networks but also by RNA processing mechanisms affecting signal transduction and effector responses. One such mechanism, alternative polyadenylation (APA), determines mRNA fa…
PMID: 42124657
Frontiers in bioengineering and biotechnology|2026|Cheng M et al.
INTRODUCTION: Urinary catheterization frequently causes urinary tract infections and patient discomfort. While hydrogel coatings combining antibacterial and hydrophilic properties offer a potential solution, challenges such as uncontrolled antimicrob…
Animal StudyIn Vitro
PMID: 41647355
Viruses|2026|Zhang J et al.
LL-37, a 37-amino acid human-derived antimicrobial peptide, was shown in our earlier clinical study to shorten the negative conversion time of the Omicron BA.5.1.3 variant of SARS-CoV-2. In this work, we investigated the broad mechanism of LL-37 by e…
PMID: 42043231
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
International journal of biological macromolecules|2026|Ghosh K, Dasgupta P, Kanaujia S
Non-typeable Haemophilus influenzae (NTHi) is an opportunistic pathogen that causes several respiratory diseases. It employs the Sap (sensitivity to antimicrobial peptide) transporter to achieve resistance against the human antimicrobial peptides (hA…
PMID: 41951073
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
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
Journal of translational medicine|2026|González-Rovira M et al.
BACKGROUND: The evidence of a low-biomass microbial community in the amniotic fluid (AF) is challenging the traditional concept of a sterile womb. To clarify microbial presence and host responses, a comprehensive, multi-methodological approach is req…
PMID: 41514270
Science advances|2026|Li X et al.
() is a leading cause of human gastroenteritis worldwide and must overcome intestinal innate immunity, including antimicrobial peptide LL-37. However, howresponds to LL-37 remains unclear. Here, we showed thatinfection stimulates intestinal epithelia…
Animal Study
PMID: 42160414
Biochemical and biophysical research communications|2026|Wu L et al.
The pathogenicity of Group A Streptococcus (GAS) is tightly regulated by the CovRS two-component system; however, the nature of the direct interaction between CovR and CovS, and how host signals modulate this system, remain poorly understood. Using s…
In Vitro
PMID: 42025015
Archives of microbiology|2026|Ebrahimi K et al.
Human mesenchymal stem cells (hMSCs) are versatile cells obtained from various regions of the human body. Beyond their potential for cell replacement, MSCs secrete a wide range of growth factors and cytokines and have recently been recognized for the…
PMID: 42176067
Journal of natural products|2026|Jarmusch S et al.
Endogenous antimicrobial peptides (AMPs) derived from host proteins represent a largely underexplored class of natural products tied to innate immunity. Here, we investigated collagen proteins as a source of latent α-helical AMPs encoded within nonfi…
PMID: 41528266
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie|2026|Żochowski K et al.
Cancer cell migration is a key step in the metastatic cascade. Understanding its mechanisms represents one of the greatest challenges in modern oncology. Both in vitro and in vivo experimental models and mathematical descriptions of movement dynamics…
ReviewAnimal StudyIn Vitro
PMID: 41916132
Journal of ophthalmic inflammation and infection|2026|Richards J
BACKGROUND: Rosacea episcleritis, scleritis and uveitis may be missed when clinicians focus on the eye without appraising the adnexae and facial skin. Addressing rosacea can reduce treatment failures and avoid systemic complications of less effective…
Review
PMID: 41680375
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
Advances in protein chemistry and structural biology|2026|Chinnathambi S, Rangappa N, Malik S
Alzheimer's disease is mainly caused by two proteins, Tau and Amyloid-β. While there are several cures currently being explored for it, there is no cure yet for the disease progression and prevention, but only those to alleviate the symptoms. One of…
Review
PMID: 41581938