Protein 2 sa nukleotid-vezujućim domenom oligomerizacije (NOD2), znan i kao protein 15 sa domenom regrotacije kaspaze (CARD15) ili protein 1 upalne bolesti crijeva (IBD1), jest protein koji je kod ljudikodirangenomNOD2 sa p kraka hromosoma 16.[5][6] NOD2 ima važnu ulogu u imunskom sistemu. Prepoznaje bakterijske molekule (peptidoglikane) i stimulira imunsku reakciju.[7]
Također se pokazalo da se NOD2 vezuje za MAVS, kao odgovor na tretman ssRNK ili virusne RNK i aktivira IFN odgovor. Ovo je prvi izvještaj da NOD2 djeluje kao receptor za prepoznavanje uzoraka za viruse.[18]
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Vignal C, Singer E, Peyrin-Biroulet L, Desreumaux P, Chamaillard M (Apr 2007). "How NOD2 mutations predispose to Crohn's disease?". Microbes and Infection / Institut Pasteur. 9 (5): 658–63. doi:10.1016/j.micinf.2007.01.016. PMID17379562.
Quaglietta L, te Velde A, Staiano A, Troncone R, Hommes DW (maj 2007). "Functional consequences of NOD2/CARD15 mutations in Crohn disease". Journal of Pediatric Gastroenterology and Nutrition. 44 (5): 529–39. doi:10.1097/MPG.0b013e31803815ee. PMID17460484. S2CID37476303.
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