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Cross-talk between α7 nAChR-mediated cholinergic pathway and acylation stimulating protein signaling in 3T3-L1 adipocytes: role of NFκB and STAT3

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单位: [1]Zhengzhou Univ, Affiliated Hosp 1, Dept Pediat, Zhengzhou 450052, Peoples R China [2]Zhengzhou Univ, Affiliated Hosp 1, Dept Cardiovasc Surg, Zhengzhou 450052, Peoples R China [3]Zhengzhou Univ, Coll Basic Med Sci, Dept Histol & Embryol, Zhengzhou 450001, Peoples R China [4]Zhengzhou Univ, Affiliated Hosp 1, Dept Endocrinol, Zhengzhou 450052, Peoples R China [5]Huazhong Univ Sci & Technol, Tongji Hosp, Dept Pediat, Tongji Med Coll, Wuhan 430030, Peoples R China [6]Univ Laval, Ctr Rech, Inst Univ Cardiol & Pneumol Quebec, Ste Foy, PQ G1V 4G5, Canada
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关键词: obesity acylation stimulating protein alpha 7 nicotine acetylcholine receptor inflammation adipocyte

摘要:
Inflammation is a key feature in adipose tissue, especially in association with obesity comorbidies. The novel adipokine acylation stimulating protein (ASP) is one factor implicated in the inflammatory response. The disruption of the alpha 7 nicotine acetylcholine receptor (alpha 7nAChR), an important component of the endogenous non-neural cholinergic defense system, may exacerbate sustained inflammatory phenotype. We examined cholinergic regulation of ASP-initiated inflammatory response in 3T3-L1 adipocytes. Our results show that preincubation of 3T3-L1 cells with alpha 7nAChR agonist GTS-21 significantly reduces ASP-mediated chemokine MCP-1 secretion, which is regulated though nuclear factor kappa B (NF kappa B) and signal transducer and activator of transcription 3 (STAT3). Treatment of 3T3-L1 cells with GTS-21 significantly reduced NF kappa B activation by DNA binding and STAT3 activation by disturbing post-translational modification.

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出版当年[2014]版:
大类 | 3 区 生物
小类 | 4 区 生化与分子生物学 4 区 细胞生物学
最新[2025]版:
大类 | 4 区 生物学
小类 | 4 区 生化与分子生物学 4 区 细胞生物学
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出版当年[2013]版:
Q3 CELL BIOLOGY Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
最新[2023]版:
Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY Q4 CELL BIOLOGY

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第一作者单位: [1]Zhengzhou Univ, Affiliated Hosp 1, Dept Pediat, Zhengzhou 450052, Peoples R China
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