Lipidomics based on liquid chromatography‐high resolution mass spectrometry reveals the protective role of peroxisome proliferator‐activated receptor alpha on kidney stone formation in mice treated with glyoxylate

Author:

Chao Yufan1ORCID,Li Na1,Xiong Shili23,Zhang Guangbo2,Gao Songyan4,Dong Xin1

Affiliation:

1. School of Medicine Shanghai University Shanghai China

2. Jiangsu Institute of Clinical Immunology The First Affiliated Hospital of Soochow University Suzhou China

3. Clinical Research Center Shanghai Baoshan Luodian Hospital Shanghai China

4. Institute of Translational Medicine Shanghai University Shanghai China

Abstract

Few studies have examined the relationship between lipid metabolism and kidney stone formation, particularly the role of key lipid regulatory factors in kidney stone formation. We evaluated the effect of the lipid regulatory factor‐peroxisome proliferator‐activated receptor alpha on the formation of renal stones in mice by injecting them with glyoxylate followed by treatment with either a peroxisome proliferator‐activated receptor alpha agonist fenofibrate or an antagonist GW6471 (GW). Liquid chromatography coupled with trapped ion mobility spectrometry‐quadrupole‐time‐of‐flight mass spectrometry‐based lipidomics was used to determine the lipid profile in the mouse kidneys. Histological and biochemical analyses showed that the mice injected with glyoxylate exhibited crystal precipitation and renal dysfunction. Crystallization decreased significantly in the fenofibrate group, whereas it increased significantly in the GW group. A total of 184 lipids, including fatty acyls, glycerolipids, glycerophospholipids, and sphingolipids differed significantly between the mice in the model and control groups. Peroxisome proliferator‐activated receptor alpha activity negatively correlated with glyoxylate‐induced kidney stone formation in mice, which may be related to improved fatty acid oxidation, maintenance of ceramide/complex sphingolipids cycle balance, and alleviation of disorder in phospholipid metabolism.

Publisher

Wiley

Subject

Filtration and Separation,Analytical Chemistry

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