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NTIS 바로가기생명과학회지 = Journal of life science, v.27 no.8 = no.208, 2017년, pp.873 - 878
훙지 (대진대학교 자연과학대학 생명화학부 생명과학전공) , 장펑 (대진대학교 자연과학대학 생명화학부 생명과학전공) , 윤이나 (대진대학교 자연과학대학 생명화학부 생명과학전공) , 김호 (대진대학교 자연과학대학 생명화학부 생명과학전공)
We previously reported that NAD(P)H:quinone oxidoreductase 1 (NQO1)-knockout (KO) mice exhibited spontaneous inflammation in the gut. We also found that NQO1-KO mice showed highly increased inflammatory responses compared with NQO1-WT control mice when subjected to DSS-induced experimental colitis. ...
핵심어 | 질문 | 논문에서 추출한 답변 |
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NQO1 유전자 돌연변이는 누구에게 높은 빈도로 나타나는가? | NQO1의 기능은 또한 면역질환과 연관되어 있다고 알려져 있다[4]. 손상된 면역반응을 보이는 환자나 자가면역질환 환자들에게서 NQO1 유전자 돌연변이가 높은 빈도로 확인된다[22, 25]. 더욱이 NQO1과 NQO2가 각각 결핍된 생쥐에서, 말초혈액 속 B세포 수와 배중심(germinal center) 세포들의 면역 활성이 크게 감소되어 있음이 보고되었다[4]. | |
NAD란? | NAD(P)H:quinone oxidoreductase 1 (NQO1)은 세포질에 존재하며 플라보 단백질로서 quinone 화합물과 그 유도체를 환원시키거나 독성을 낮추는 역할을 하는 것으로 알려져 있다[1, 5, 11, 17, 19, 20]. 이 과정은 활성산소(reactive oxygen species)에 의한 세포 독성을 감소시키기도 한다[3, 5, 16]. | |
NAD가 플라보 단백질로서 quinone 화합물과 그 유도체를 환원시키거나 독성을 낮추는 과정에서 어떤 효과를 보는가? | NAD(P)H:quinone oxidoreductase 1 (NQO1)은 세포질에 존재하며 플라보 단백질로서 quinone 화합물과 그 유도체를 환원시키거나 독성을 낮추는 역할을 하는 것으로 알려져 있다[1, 5, 11, 17, 19, 20]. 이 과정은 활성산소(reactive oxygen species)에 의한 세포 독성을 감소시키기도 한다[3, 5, 16]. 한편 종양형성 과정에서 NQO1은 세포를 보호하는 것으로도 알려져 있다[23, 27, 28]. |
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