Neutrophil Extracellular Traps Drive Kidney Stone Formation
Zhiming Yang1,2, Xiong Chen1,2, Guannan Qi1,2
1Department of Geriatric Urology, Xiangya International Medical Center, Xiangya Hospital, Central South University, Changsha, PR China.
Neutrophil extracellular traps (NETs) contribute to kidney stone formation and worsen kidney injury. Inhibiting NETs reduces calcium deposits and improves kidney function, identifying NETs as a biomarker for nephrolithiasis.
Area of Science:
- Nephrology
- Immunology
- Molecular Biology
Background:
- Kidney stones (nephrolithiasis) are a significant health concern.
- The role of neutrophil extracellular traps (NETs) in kidney stone pathogenesis is not fully understood.
Purpose of the Study:
- To investigate the contribution of NETs to kidney stone formation and associated kidney injury.
- To explore NETs as potential diagnostic and therapeutic biomarkers for nephrolithiasis.
Main Methods:
- Bioinformatic analysis of microarray data (GSE73680) to identify differentially expressed genes in kidney stones.
- Establishment of a rat model of kidney stones using ethylene glycol and ammonium chloride.
- Measurement of NET markers (cf-DNA, MPO-DNA, H3Cit, NE) and biochemical parameters in plasma and kidney tissues.
- Assessment of kidney histology, calcium deposition, and apoptosis.
- Administration of Sivelestat (SIVE) to suppress NETs in the rat model.
Main Results:
- Identified 403 differentially expressed genes in kidney stone tissues.
- Observed increased NET markers and calcium deposits in kidney stone patients and the rat model.
- NET formation was elevated in kidney stone rats, correlating with increased renal tubular injury and apoptosis.
- Sivelestat treatment significantly reduced calcium deposits, apoptosis, and tubular injury, improving kidney function.
Conclusions:
- NETs play a crucial role in driving kidney stone formation and exacerbating kidney injury.
- NETs represent a promising diagnostic and therapeutic target for nephrolithiasis.
More Related Videos
08:59Neutrophil Extracellular Traps Generated by Low Density Neutrophils Obtained from Peritoneal Lavage Fluid Mediate Tumor Cell Growth and Attachment
Published on: August 3, 2018
09:59A High-throughput Assay to Assess and Quantify Neutrophil Extracellular Trap Formation
Published on: January 29, 2019
Related Concept Videos
Kidney Structure
Nephrons
Formation of Dilute Urine
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
Disorders of the Urinary System
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
Filtration and Urine Formation
External Anatomy of the Kidney
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
