Production and characterization of neutralizing monoclonal antibodies that recognize an epitope in domain 2 of Bacillus anthracis protective antigen.

FEMS Immunol Med Microbiol

Division of Vaccine Preventable Diseases, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada.

Published: August 2006

Antibodies against the protective antigen (PA) of Bacillus anthracis play a key role in response to infection by this important pathogen. The aim of this study was to produce and characterize monoclonal antibodies (mAbs) specific for PA and to identify novel neutralizing epitopes. Three murine mAbs with high specificity and nanomolar affinity for B. anthracis recombinant protective antigen (rPA) were produced and characterized. Western immunoblot analysis, coupled with epitope mapping using overlapping synthetic peptides, revealed that these mAbs recognize a linear epitope within domain 2 of rPA. Neutralization assays demonstrate that these mAbs effectively neutralize lethal toxin in vitro.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7110350PMC
http://dx.doi.org/10.1111/j.1574-695X.2006.00114.xDOI Listing

Publication Analysis

Top Keywords

protective antigen
12
monoclonal antibodies
8
epitope domain
8
bacillus anthracis
8
production characterization
4
characterization neutralizing
4
neutralizing monoclonal
4
antibodies recognize
4
recognize epitope
4
domain bacillus
4

Similar Publications

This study is focused on the design, synthesis, and evaluation of some sulfonamide derivatives for their inhibitory effects on human carbonic anhydrase (hCA) enzymes I, II, IX, and XII as well as for their antioxidant activity. The purity of the synthesized molecules was confirmed by the HPLC purity analysis and was found in the range of 93%-100%. The inhibition constant (K) against hCA I ranged from 0.

View Article and Find Full Text PDF

Ovarian ischemia is a pathological condition that usually occurs due to ovarian torsion, resulting in the interruption of blood supply to the ovaries and oxygen deficiency. Silymarin (SLM) is a flavonoid complex of plant origin with pharmacological properties such as antioxidant, anti-inflammatory, and antiapoptotic effects. In this study, we investigated the effects of SLM through different pathways in rats subjected to experimental ovarian ischemia/reperfusion (I/R).

View Article and Find Full Text PDF

Use of Immunoglobulin Replacement Therapy in Clinical Practice: A Review.

J Immunother Precis Oncol

February 2025

Department of Pediatrics, Division of Immunology, Allergy and Retrovirology, Baylor College of Medicine, Houston, TX, USA.

Immunoglobulins (Igs) are produced by B lymphocytes and play a key role in humoral immunity. Igs are classified into five isotypes (IgG, IgA, IgM, IgE, and IgD). Their primary function is to recognize and bind to foreign antigens.

View Article and Find Full Text PDF

The Immune System: An Arrow to the Heart and Principles of Cardioimmunology as an Emerging Branch of Medicine.

Curr Vasc Pharmacol

January 2025

Unit of Cardiovascular Diseases, Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Bari, Italy.

Background: Cardioimmunology is an emerging branch of medicine whose development has been facilitated by more sophisticated diagnostic procedures. Recent studies have mainly focused on the immune response during myocardial infarction (MI), and there is evidence that both resident and external immune cells participate in acute inflammatory disease, as well as tissue remodeling. Cardiac Innate Immune Cells: Following MI, macrophages, dendritic cells (DCs) and mast cells (MCs) are the main players in the heart.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!