Involvement of NLRP3/Caspase-1/GSDMD-Dependent Pyroptosis in BPA-Induced Apoptosis of Human Neuroblastoma Cells.

Integrative phosphatidylcholine metabolism through phospholipase A2 in rats with chronic kidney disease

Apoptosis and blood-testis barrier disruption during male reproductive dysfunction induced by PAHs of different molecular weights.

Perinatal exposure to glyphosate-based herbicides impairs progeny health and placental angiogenesis by disturbing mitochondrial function.

Melatonin ameliorates renal dysfunction in glyphosate- and hard water-treated mice.

Involvement of mitochondrial fission in renal tubular pyroptosis in mice exposed to high and environmental levels of glyphosate combined with hard water

Background The combined effects of glyphosate and hard water on chronic kidney disease of unknown etiology (CDKu) have attracted much interest, but the mechanisms remain unknown. Cytoplasmic phospholipase A2 (cPLA2) plays a key role in the acute and chronic inflammatory reactions. This study explored the effect of glyphosate combined with hard water on renal tubules and the possible targets and mechanisms involved. Methods In vivo experiments were conducted to investigate the synergistic effects and potential mechanisms of glyphosate and hard water on renal tubular injury in mice. Results Administration of glyphosate in mice resulted in elevated levels of β2-microglobulin (β2-MG), albumin (ALB), and serum creatinine (SCr) compared to control mice. This increase was more pronounce when glyphosate was combined with hard water. In the glyphosate-treated mice, small areas of the kidney revealed fibroblast proliferation and vacuolar degeneration, particularly at the higher dose of 400 mg/kg glyphosate. However, the combination of glyphosate and hard water induced an even greater degree of pathological changes in the kidney. Immunofluorescence and western blot analyses showed that glyphosate and hard water had a coordinated effect on calcium ions (Ca2+)-activated phospholipase A2 and the activation may play a key role in inflammation and renal tubular injury. Exposure to glyphosate alone or glyphosate plus hard water increased the levels of oxidative stress markers and inflammatory biomarkers, namely, thromboxane A2 (TX-A2), leukotriene B4 (LTB4), prostaglandin E2 (PGE2), nitric oxide synthase (NOS), and nitric oxide (NO). Parameters of oxidative stress, including the levels of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were decreased. Further analysis showed that the levels of these biomarkers were significantly different between the mice treated with glyphosate plus hard water and the mice treated with glyphosate alone. Conclusions These findings suggested that hard water combined with glyphosate can induce renal tubular injury in mice, and this may involve mitogen-activated protein kinases (MAPK)/cytosolic phospholipase A2 (cPLA2)/arachidonic acid (AA) and its downstream factors.

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Renal tubular injury induced by glyphosate combined with hard water: the role of cytosolic phospholipase A2

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Ruojing Wang

Papers

Involvement of mitochondrial fission in renal tubular pyroptosis in mice exposed to high and environmental levels of glyphosate combined with hard water

Renal tubular injury induced by glyphosate combined with hard water: the role of cytosolic phospholipase A2

A biohazard safety equipment for protecting inside sample