overview : innate immune response
DESCRIPTION
Overview : Innate Immune Response. Inflammation. Recruitment from the bloodstream. Inflammation. Phagocytosis of a bacterium. Inflammation. Inflammation. Soluble Molecules. • Proinflammatory cytokines: •IL-1 • TNF a •Antimicrobial peptides - PowerPoint PPT PresentationTRANSCRIPT
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Overview:
InnateImmune Response
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InflammationRecruitment from the bloodstream
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InflammationPhagocytosis of a bacterium
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Inflammation
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Inflammation
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Soluble Molecules•Proinflammatory cytokines:
•IL-1•TNFa
•Antimicrobial peptides
•Acute phase response (APR) and acute phase response proteins•complement proteins•C-reactive protein (CRP)•Mannose-binding lectin (MBL)
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Receptors Detect Infection
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Receptors Detect Infection•Classification of PRRs:
a) signaling b) endocytic•Membrane bound:
Toll-like receptors (TLR)C-type lectin receptor (CLR)Scavenger receptors (SRs)Lipopolysaccharide receptor (LPR)
•Cytoplasmic:NOD-like receptors (NLR)
•Secreted:Mannose-binding lectin (MBL)Complement receptorsC-reactive protein (CRP)LPS-binding protein (LBP)
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Receptors Detect Infection
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Toll-like Receptors
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Toll-like Receptors
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Cells involved in innate immunity•Neutrophils
•Macrophages
•Dendritic cells
•Natural killer cells
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Signal Transduction
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Signal Transduction
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Signal Transduction
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Signal Transduction
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Signal Transduction
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Ubiquity of Innate Immunity