ArticleCells2026
The CDO1-ACSM3 Axis Mediates Renal Tubule Lipid Deposition and Injury by Causing Mitochondrial Dysfunction in Lupus Nephritis.
Article in Cells, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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15 authors.
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Abstract
Renal tubular injury plays a critical role in the progression of lupus nephritis (LN); however, the underlying mechanisms remain poorly understood. In this study, we found that CDO1 expression was significantly positively correlated with the degree of renal tubular injury in renal tissues from LN patients. Using in vitro HK-2 and TCMK-1 cells as well as an in vivo MRL/lpr mouse model, we confirmed that knockdown of CDO1 alleviated renal tubular epithelial cell injury and lipid deposition. Mechanistic studies revealed that CDO1 inhibits lipid metabolism by negatively regulating the expression of ACSM3; notably, downregulation of ACSM3 reversed the ameliorative effects of CDO1 knockdown on lipid deposition and cellular injury. Further investigation demonstrated that ACSM3 deficiency mediates lipid deposition by inducing mitochondrial morphological abnormalities and dysfunction. In summary, this study uncovers a novel mechanism by which the CDO1-ACSM3 axis mediates renal tubular lipid deposition and injury in LN through the regulation of mitochondrial function, offering a potential therapeutic target for this disease.
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