Modelización del mydosoma humano en Saccharomyces cerevisiae
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2025
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15/07/2024
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Universidad Complutense de Madrid
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Abstract
Los receptores de reconocimiento de patrones (PRRs, pattern recognition receptors) de las células de la inmunidad innata transmiten y amplifican la señal celular mediante la formación de centros de organización supramolecular (SMOCs, supramolecular organizing centers). El mydosoma es un tipo de SMOC que se forma en respuesta a la activación de la mayoría de los receptores de tipo Toll (TLRs, toll-like receptors) y del receptor de la interleuquina 1 (IL-1R, interleukin-1 receptor). Este macrocomplejo esta compuesto por el adaptador de señalización MyD88 (myeloid differentiation primary response protein 88), la quinasa IRAK4 y las quinasas IRAK1 o IRAK2 (interleukin-1 receptor associated kinase), los cuales interaccionan entre sí a través de sus dominios death. El reclutamiento de las quinasas al complejo da lugar a su activación enzimática por proximidad, lo que en última instancia conduce a la translocación nuclear de factores de transcripción que inducen una respuesta proinflamatoria...
Pattern recognition receptors (PRRs) transmit and amplify cellular signals by assembling supramolecular organizing centers (SMOCs). Myddosome is a specific type of SMOC that forms in response to activation of most Toll-like receptors (TLRs) and the interleukin 1 receptor (IL-1R). This macrocomplex comprises the signalling adaptor MyD88 (myeloid differentiation primary response protein 88), IRAK4 kinase, and IRAK1/2 kinases (interleukin-1 receptor-associated kinase), which interact via their death domains. Recruitment of these kinases to the complex triggers their enzymatic activation by proximity, ultimately leading to the nuclear translocation of transcription factors that initiate a proinflammatory response...
Pattern recognition receptors (PRRs) transmit and amplify cellular signals by assembling supramolecular organizing centers (SMOCs). Myddosome is a specific type of SMOC that forms in response to activation of most Toll-like receptors (TLRs) and the interleukin 1 receptor (IL-1R). This macrocomplex comprises the signalling adaptor MyD88 (myeloid differentiation primary response protein 88), IRAK4 kinase, and IRAK1/2 kinases (interleukin-1 receptor-associated kinase), which interact via their death domains. Recruitment of these kinases to the complex triggers their enzymatic activation by proximity, ultimately leading to the nuclear translocation of transcription factors that initiate a proinflammatory response...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Farmacia, leída el 15/07/2024