软骨中间层蛋白2通过IRE1α/XBP1通路加剧肝脂积累和炎症
Siqi Chen1, Lun Dong1, Yingying Shan1
1Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China.
International journal of molecular sciences
|February 13, 2026
概括
在代谢功能障碍相关的脂肪性肝病 (MASLD) 中,CILP2蛋白促进脂质积累和炎症. 降低CILP2水平可以缓解肝肥胖症并改善葡萄糖代谢,这表明CILP2是治疗点.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 分子生物学分子生物学
- 代谢疾病 代谢疾病
背景情况:
- 代谢功能障碍相关的脂肪性肝病 (MASLD) 是一种普遍的病症,其特征是肝脏脂肪的积累.
- 细胞内膜网膜 (ER) 的压力和炎症是MASLD病变发生的关键因素.
- 在MASLD中CILP2的特定作用尚未完全阐明.
研究的目的:
- 研究CILP2在MASLD的发展和进展中的作用.
- 探索CILP2影响肝脂代谢和炎症的潜在分子机制.
主要方法:
- 在使用高脂肪饮食的小鼠中诱导了肝硬化.
- 在小鼠肝脏和肝细胞中,CILP2过度表达或被淘汰 (KO).
- 进行了基因表达分析,脂质含量测量和炎症性细胞因子评估.
主要成果:
- 在脂肪性肝和肝细胞中,CILP2表达升高.
- 过度表达CILP2增加了脂肪酸合成,脂质积累和促炎性细胞因子表达.
- CILP2淘汰赛减轻了高脂肪饮食诱导的脂肪和改善了葡萄糖代谢.
- CILP2激活了IRE1α/XBP1 ER应激通路,促进了脂质合成和炎症.
结论:
- 在MASLD中,CILP2通过IRE1α/XBP1通路加剧肝脂积累和炎症.
- 准CILP2可能为MASLD干预提供一种新的治疗策略.
更多相关视频
相关概念视频
Inflammation
62.4K
Overview
62.4K
Hepatic Drug Clearance: Effect of Protein Binding
566
Hepatic clearance is influenced by protein binding based on the drug's extraction ratio. Drugs with high extraction ratios are considered flow-limited and remain unaffected by protein binding during hepatic clearance. On the other hand, drugs with low extraction ratios may be impacted by plasma protein binding, although the extent of this influence depends on the fraction of the drug bound.
For low-extraction-ratio drugs that are less than 80% protein-bound, minor changes in protein binding...
For low-extraction-ratio drugs that are less than 80% protein-bound, minor changes in protein binding...
566
The Intermediate Value Theorem
299
The Intermediate Value Theorem is a foundational result in calculus that guarantees the existence of solutions within certain intervals for continuous functions. Formally, the Intermediate Value Theorem states that if a function f is continuous on the closed interval [a, b], and if N is any value between f(a) and f(b), then there exists at least one c ∈ (a, b) such that f(c) = N. This theorem is instrumental in proving the existence of roots and in analyzing the behavior of continuous...
299
What are Lipids?
221.2K
Overview
221.2K
cAMP-dependent Protein Kinase Pathways
8.6K
Cyclic Adenosine Monophosphate (cAMP) is an essential second messenger that activates protein kinase A (PKA) and regulates various biological processes. A single epinephrine molecule binds to GPCR and activates several heterotrimeric G proteins, each stimulating multiple adenylyl cyclase, amplifying the signal, and synthesizing large numbers of cAMP molecules. Small changes in cAMP concentration affect PKA activity. The binding of four cAMP molecules induces a conformational change in PKA,...
8.6K
Structural Protein Function
30.1K
Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity. In bones and teeth, it mineralizes to...
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity. In bones and teeth, it mineralizes to...
30.1K


