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NTIS 바로가기Journal of Korean biological nursing science, v.14 no.2, 2012년, pp.129 - 138
Purpose: Cachexia is a complex metabolic syndrome associated with wasting of skeletal muscle which contributes to nearly one-third of all cancer deaths. Cachexia lowers the frequency of response to chemotherapy and radiation and ultimately can impact survival as well as quality of life during treatm...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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암성 악액질은 인체에 어떠한 위험성이 있는가? | , 2008; Larkin, 1998). 암성 악액질(cancer induced cachexia)은 중증암, 특히 소화기암, 췌장암, 흉부 암, 머리와 목의 종양의 경우 전체 환자의 50-80%에서 동반되며(Hopkinson, Wright, McDonald,&Cor ner, 2006), 암 관련 사망의 약 20-30%의 원인이 된다(Choi, 2011; MacDonald, Easson, Mazurak, Dunn,&Baracos, 2003; van Eys, 1985). 암성 악액질은 단순한 공복(starvation)이나 식욕 부진, 노화에 따라 나타나는 근육감소증(sarcopenia), 뇌졸중 환자 등에서 나타나는 부동 증후군에 의한 근위축(Im & Choe, 2002) 등과 마찬가지로 체중의 감소가 동일한 증상으로 나타나기는 하지만, 종양에서 유리 인자 들에 의해 야기된 대사 조절의 변화로 동화 자극이 감소되고 이화 반응이 증가되는 결과로 근육의 소실이 나타난다. | |
N-acetylcysteine의 특징은 무엇인가? | 즉 NF-κB를 저해하면 암 종괴의 증식이 억제되고, 항암제에 민감하게 반응하여 세포 사망이 촉진되고, 암성 악액질에도 효과를 기대할 수 있기 때문에 많은 연구에서 암 치료 전략으로 NF-κB 활성 제어제를 개발하고자 하였다. NAC은 잘 알려진 항산화제로서 c-Jun 인산화 효소나 p38 MAP 인산화 효소를 포함, NF-κB의 활성을 억제함으로써 세포 사멸을 예방하고 세포 생존율을 높이는 효과를 나타낸다(Zafarullah, Li, Sylvester,&Ahmad, 2003). 또한 항 염증 효과가 있어 만성폐쇄성폐질환에 점액분해제로 쓰이기도 한다. | |
악액질은 무엇인가? | 악액질(cachexia)은 암과 에이즈(acquired immunodeficiency syndrome)를 포함하는 만성 질환의 최종단계에서 수반되는 극도의 영양실조 상태 또는 쇠약 상태로서 지방 감소와는 무관하게 근육이 소실되는 것을 그 특징으로 하는 복합적 대사 증후군이다(Evanset al., 2008; Larkin, 1998). |
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