Innate immunity is the defense mechanism that attacks an infection at its onset. It does not adapt to specific pathogens to provide long-lasting protection as the adaptive immune system does. Most infectious agents that penetrate the body's outer epithelial surfaces are quickly eliminated by the innate immune response prior to causing disease symptoms. The word innate refers to the fact that these mechanisms are genetically determined. Innate immunity functions in a two part mechanism. First, the pathogen is recognized by soluble proteins and cell-surface receptors. Serum proteins of the complement system are activated to covalently bind the pathogen. Next, effectors cells (phagocytic white blood cells) are recruited to engulf the pathogen via endocytosis and destroy it in the phagosome.
All Innate Immunity Antibodies, Lysates, Proteins, and RNAi
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