Target intelligence / Profile preview

Pathogen Antigen

Molecular classification: Protein, Polysaccharide, Lipid, Nucleic Acid

Overview

A molecule or molecular structure present on or produced by a pathogen (such as bacteria, viruses, fungi, protozoa, or parasites) that is recognized by the immune system as foreign. These antigens are typically proteins, polysaccharides, lipids, or nucleic acids and serve as markers that alert the body to an infection. They activate both innate and adaptive immune responses, triggering antibody production or cytotoxic responses.

Biological functions

Immune recognitionActivation of innate immune responseActivation of adaptive immune responseAntibody productionT cell activation

Disease associations

Infection

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