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THE BASICS OF ANTIBACTERIAL RESPONSE

The antibacterial response is a vital part of the immune system, allowing the body to detect and respond to bacterial infections. This pathway involves intricate cellular and molecular mechanisms that identify, target, and eliminate pathogenic bacteria.

Understanding the basics includes knowing which bacteria trigger this response and how the body initiates its defense. This foundational knowledge highlights the immune system's complexity and efficiency.

AnyGenes offers a range of products that support research in the field of antibacterial response. Our innovative tools enable researchers to study immune responses, signaling pathways, and the effects of various treatments on bacterial infections.

Innovative Gene Expression Tools from AnyGenes
Dive into the intricate mechanisms behind the body's defense against bacterial invaders and explore the crucial signaling pathways involved in antibacterial responses.

Overview of inducible antibacterial pathways in macrophages.(1)

ANTIBACTERIAL RESPONSE: KEY MOLECULES AND RECEPTORS 

Several key molecules and receptors play pivotal roles in the response to bacteria. Among these:

  • Toll-like receptors (TLRs) recognize bacterial components and trigger signaling pathways.
  • Cytokines (such as interleukins (IL-1, IL-6) and tumor necrosis factor (TNF)) and chemokines, help cells communicate during the immune response.
  • Immune cells like neutrophils, macrophages, and T cells detect and destroy bacteria, while releasing cytokines to coordinate the immune response.

HOW SIGNALING PATHWAYS ARE ACTIVATED

Signaling pathways are activated when receptors, such as TLRs, detect bacterial components. This recognition triggers intracellular cascades, activating transcription factors like NF-κB. Once activated, these factors enter the nucleus to promote the expression of genes involved in immune response. This process leads to the production of immune mediators, including cytokines and antimicrobial peptides, which work together to eliminate bacterial threats. The activation of these pathways is tightly regulated to ensure an effective immune response.

THE ROLE OF ANTIBACTERIAL PEPTIDES

Antibacterial peptides, also known as antimicrobial peptides (AMPs), are a vital component of the innate immune system. These small proteins, produced by various cells, disrupt bacterial membranes and inhibit their growth.

AMPs are produced by various cells, including epithelial cells and immune cells, and are often rapidly deployed to sites of infection. Their role in the antibacterial response is crucial, as they provide a first line of defense against bacterial invaders and help prevent the spread of infection.

THERAPEUTICS APPLICATIONS IN MEDICAL SCIENCE

Understanding antibacterial response signaling pathways is crucial for developing new treatments. By studying these mechanisms, researchers can develop therapies to boost immune responses and target bacterial infections.

Synthetic AMPs, with broad antibacterial properties, are being explored as therapeutic agents. Modulating these pathways also aids in treating conditions like sepsis (overactive immune response), or chronic infections (underactive response).

(1) Sweet MJ et al. Inducible antibacterial responses in macrophages. Nat Rev Immunol. (2024) Sep 18.
(2) Vijay k, Toll-like receptors in immunity and inflammatory diseases: Past, present, and future. Int Immunopharmacol. (2018); 59: 391–412.
(3) Duarte-Mata DI, Salinas-Carmona MC. Antimicrobial peptides´ immune modulation role in intracellular bacterial infection. Front Immunol. (2023); 14: 1119574.
(4) Li X, et al. Antimicrobial Mechanisms and Clinical Application Prospects of Antimicrobial Peptides. Molecules. (2022)21;27(9):2675.

ANTIBACTERIAL RESPONSE BIOMARKER LIST

Customize your own signaling pathways (SignArrays®) with the factors of your choice!
Simply download and complete our Personalized SignArrays® information file and send it at contact@anygenes.com to get started on your project.

You can check the biomarker list included in this pathway, see below:
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