Results 1 to 10 of about 22,371 (222)

Exploring the therapeutic potential of recombinant bovine β-defensins for antimicrobial and anti-inflammatory functions in sepsis management [PDF]

open access: yesVeterinary Research
β-defensins are multifunctional peptides of the host immune system involved in responses to infectious diseases. We investigated the potential of five recombinant proteins based on bovine β-defensins (bovine neutrophil β-defensins (BNBD) 1, 2, 3, and 4 ...
Cristina Saubi   +7 more
doaj   +2 more sources

Understanding the roles of gingival beta-defensins

open access: yesJournal of Oral Microbiology, 2012
Gingival epithelium produces β-defensins, small cationic peptides, as part of its contribution to the innate host defense against the bacterial challenge that is constantly present in the oral cavity.
Ulvi Kahraman Gursoy, Eija Könönen
exaly   +3 more sources

In-Silico Tool for Predicting, Scanning, and Designing Defensins

open access: yesFrontiers in Immunology, 2021
Defensins are host defense peptides present in nearly all living species, which play a crucial role in innate immunity. These peptides provide protection to the host, either by killing microbes directly or indirectly by activating the immune system.
Dilraj Kaur   +5 more
doaj   +1 more source

Defensins as a promising class of tick antimicrobial peptides: a scoping review

open access: yesInfectious Diseases of Poverty, 2022
Background Ticks are hematophagous parasites that transmit an extensive range of pathogens to their vertebrate hosts. Ticks can destroy invading microorganisms or alleviate infection via their rudimentary but orchestrated innate immune system ...
Jiahui Wu   +9 more
doaj   +1 more source

Variations in the interaction of human defensins with Escherichia coli: Possible implications in bacterial killing. [PDF]

open access: yesPLoS ONE, 2017
Human α and β-defensins are cationic antimicrobial peptides characterized by three disulfide bonds with a triple stranded β-sheet motif. It is presumed that interaction with the bacterial cell surface and membrane permeabilization by defensins is an ...
Basil Mathew, Ramakrishnan Nagaraj
doaj   +1 more source

Alpha-defensins inhibit ERK/STAT3 signaling during monocyte-macrophage differentiation and impede macrophage function

open access: yesRespiratory Research, 2023
Alpha-1-antitrypsin deficiency (AATD) is a genetic disorder associated with a 5–tenfold decrease in lung levels of alpha-1-antitrypsin (AAT) and an increased risk for obstructive lung disease.
Jungnam Lee   +5 more
doaj   +1 more source

A pilot study for evaluating the feasibility of using alpha-defensin to support the diagnosis of ventriculitis

open access: yesInternational Journal of Infectious Diseases, 2023
Objectives: Nosocomial ventriculitis is a difficult infectious condition to diagnose given that typical cerebral spinal fluid (CSF) parameters, commonly used in the diagnosis of meningitis, lack sensitivity and specificity in nosocomial ventriculitis ...
James B. Doub
doaj   +1 more source

Intestinal α-Defensins Play a Minor Role in Modulating the Small Intestinal Microbiota Composition as Compared to Diet

open access: yesMicrobiology Spectrum, 2023
The intestinal microbiota is at the interface between the host and its environment and thus under constant exposure to host-derived and external modulators.
Fabiola Puértolas-Balint   +1 more
doaj   +1 more source

Increased expression and levels of human β defensins (hBD2 and hBD4) in adults with dental caries

open access: yesJournal of Health Sciences, 2013
Introduction: Defensins are small anti-microbial peptides produced by epithelial cells. These peptides have a broad range of actions against microorganisms, including Gram-positive and Gram-negative bacteria.Human defensins are classifi ed into two ...
Girolamo Jose Barrera   +4 more
doaj   +3 more sources

FUNCTIONAL EFFECTS OF θ-DEFENSINS FROM BLOOD LEUKOCYTES OF BABOON PAPIO HAMADRYAS

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии, 2018
Aim. Study the functional properties of cationic antimicrobial peptides 0-defensins isolated from baboon Papio hamadryas blood leukocytes. Materials and methods.
E. V. Tsvetkova   +5 more
doaj   +1 more source

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