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IL-32α suppresses colorectal cancer development via TNFR1-mediated death signaling
被引:30
作者:
Yun, Hyung-Mun
[1
,2
]
Park, Kyung-Ran
[1
,2
]
Kim, Eun-Cheol
[1
,2
]
Han, Sang Bae
[3
,4
]
Yoon, Do Young
[5
]
Hong, Jin Tae
[3
,4
]
机构:
[1] Kyung Hee Univ, Dept Maxillofacial Tissue Regenerat, Sch Dent, Seoul 130701, South Korea
[2] Kyung Hee Univ, Res Ctr Tooth & Periodontal Regenerat MRC, Seoul 130701, South Korea
[3] Chungbuk Natl Univ, Coll Pharm, Cheongju 361763, Chungbuk, South Korea
[4] Chungbuk Natl Univ, Med Res Ctr, Cheongju 361763, Chungbuk, South Korea
[5] Konkuk Univ, Dept Biosci & Biotechnol, Bio Mol Informat Ctr, Seoul 150716, South Korea
来源:
基金:
新加坡国家研究基金会;
关键词:
IL-32;
alpha;
colon cancer;
TNFR1;
RIP1;
NF-KAPPA-B;
NECROSIS-FACTOR RECEPTOR;
INFLAMMATORY-BOWEL-DISEASE;
REACTIVE OXYGEN;
TNF;
ACTIVATION;
INTERLEUKIN-32;
INACTIVATION;
APOPTOSIS;
RISK;
D O I:
10.18632/oncotarget.3197
中图分类号:
R73 [肿瘤学];
学科分类号:
100214 ;
摘要:
Inflammation is associated with cancer-prone microenvironment, leading to cancer. IL-32 is expressed in chronic inflammation-linked human cancers. To investigate IL-32 alpha in inflammation-linked colorectal carcinogenesis, we generated a strain of mice, expressing IL-32 (IL-32 alpha-Tg). In IL-32 alpha-Tg mice, azoxymethane (AOM)-induced colon cancer incidence was decreased, whereas expression of TNFR1 and TNFR1-medicated apoptosis was increased. Also, IL-32 alpha increased ROS production to induce prolonged JNK activation. In colon cancer patients, IL-32 alpha and TNFR1 were increased. These findings indicate that IL-32 alpha suppressed colon cancer development by promoting the death signaling of TNFR1.
引用
收藏
页码:9061 / 9072
页数:12
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