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The evolution and genetics of innate immunity

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TLDR
Studies in fruitflies and in mammals reveal that the defensive strategies of invertebrates and vertebrates are highly conserved at the molecular level, which raises the exciting prospects of an increased understanding of innate immunity.
Abstract
The immune system provides protection from a wide range of pathogens. One component of immunity, the phylogenetically ancient innate immune response, fights infections from the moment of first contact and is the fundamental defensive weapon of multicellular organisms. The Toll family of receptors has a crucial role in immune defence. Studies in fruitflies and in mammals reveal that the defensive strategies of invertebrates and vertebrates are highly conserved at the molecular level, which raises the exciting prospects of an increased understanding of innate immunity.

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Toll-like receptors in development, health and disease

TL;DR: A potential mechanism of increased immunosurveillance during inflammation at the site in which ascending bacteria enter the kidney tissue, i.e. the collecting ducts and the distal part of the nephron is indicated.
Journal ArticleDOI

Les guetteurs de l’infection microbienne

TL;DR: Le système immunitaire adaptatif repose sur un immense répertoire de récepteurs codés par des segments de gènes réarrangés, and synthétisés par les lymphocytes concernés, se caractérise par sa spécificité, l’expansion clonale des lymphocytes concerns, and la mémoire d’une immunisation primaire.
Posted ContentDOI

Antiviral genes are not rapidly evolving in Drosophila innubila

TL;DR: The evolution of the immune system is investigated and it is found that evolution of resistance to DNA viruses differs greatly from that of RNA viruses, suggesting alternate means of viral resistance.
Journal ArticleDOI

Design, synthesis, evaluation and optimization of potent IRAK4 inhibitors alleviating production of inflammatory cytokines in LPS-induced SIRS model.

TL;DR: In this article , a series of IRAK4 inhibitors with oxazolo[4,5-b]pyridine scaffold were identified, and compound 42 showed improved potency (IC50 = 43 nM).
References
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Journal ArticleDOI

Defective LPS Signaling in C3H/HeJ and C57BL/10ScCr Mice: Mutations in Tlr4 Gene

TL;DR: The mammalian Tlr4 protein has been adapted primarily to subserve the recognition of LPS and presumably transduces the LPS signal across the plasma membrane.
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A Toll-like receptor recognizes bacterial DNA.

TL;DR: It is shown that cellular response to CpG DNA is mediated by a Toll-like receptor, TLR9, and vertebrate immune systems appear to have evolved a specific Toll- like receptor that distinguishes bacterial DNA from self-DNA.
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A human homologue of the Drosophila Toll protein signals activation of adaptive immunity

TL;DR: The cloning and characterization of a human homologue of the Drosophila toll protein (Toll) is reported, which has been shown to induce the innate immune response in adult Dosophila.
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The Dorsoventral Regulatory Gene Cassette spätzle/Toll/cactus Controls the Potent Antifungal Response in Drosophila Adults

TL;DR: It is shown that mutations in the Toll signaling pathway dramatically reduce survival after fungal infection and the intracellular components of the dorsoventral signaling pathway and the extracellular Toll ligand, spätzle, control expression of the antifungal peptide gene drosomycin in adults.
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