Mechanisms of Scarring in Focal Segmental Glomerulosclerosis

被引:14
作者
Zhong, Jianyong [1 ,2 ]
Whitman, Jacob B. [1 ]
Yang, Hai-Chun [1 ,2 ]
Fogo, Agnes B. [1 ,2 ]
机构
[1] Vanderbilt Univ, Med Ctr, Dept Pathol Microbiol & Immunol, MCN C3310, Nashville, TN 37232 USA
[2] Vanderbilt Univ, Med Ctr, Div Pediat Nephrol, Nashville, TN USA
关键词
chronic kidney disease; endothelial cell; extracellular matrix; fibrosis; FSGS; parietal epithelial cell; podocyte; transforming growth factor beta; tubular epithelial cell; PARIETAL EPITHELIAL-CELLS; SOLUBLE UROKINASE RECEPTOR; PROXIMAL TUBULAR INJURY; PODOCYTE INJURY; PLASMINOGEN-ACTIVATOR; ATUBULAR GLOMERULI; DOWN-REGULATION; KIDNEY-DISEASE; REGENERATION; EXPRESSION;
D O I
10.1369/0022155419850170
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Focal segmental glomerulosclerosis (FSGS) presents with scar in parts of some glomeruli and often progresses to global and diffuse glomerulosclerosis. Podocyte injury is the initial target in primary FSGS, induced by a circulating factor. Several gene variants, for example, APOL1, are associated with increased susceptibility to FSGS. Primary FSGS may be due to genetic mutation in key podocyte genes. Increased work stress after loss of nephrons, epigenetic mechanisms, and various profibrotic pathways can contribute to progressive sclerosis, regardless of the initial injury. The progression of FSGS lesions also involves crosstalk between podocytes and other kidney cells, such as parietal epithelial cells, glomerular endothelial cells, and even tubular epithelial cells. New insights related to these mechanisms could potentially lead to new therapeutic strategies to prevent progression of FSGS.
引用
收藏
页码:623 / 632
页数:10
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