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Immunohistochemical and histopathological evaluation of 2,4-dichlorophenoxyacetic acid-induced changes in rat kidney
Yiğit Uyanikgil1, Utku Ateş, Meral Baka
1Faculty of Medicine, Department of Histology and Embryology, Ege University, 35100, Bornova, Izmir, Turkey. yigit.uyanikgil@ege.edu.tr
Abstract:
This study aims to investigate the effect of 2,4-dichlorophenoxyacetic acid (2,4-D) on rat kidney cortex histology. Oral exposure of rats to 2,4-D for 28 days resulted in decreases in body weight gain and kidney weight. Histological examination showed degeneration in renal corpuscles and podocytes; vacuolization in the glomerulus with disintegration of the basal membrane; tissue edema; vacuolization, cystic dilation and invagination of the basal laminae in the tubular structures; dilation and congestion in renal corpuscular vessels and marked decrease in glomerular and stromal fibronectin reaction; suggesting that subacute 2,4-D administration induces dose-dependent histopathological degenerative effects in rat kidney cortex.
Insights
Subacute exposure to 2,4-dichlorophenoxyacetic acid (2,4-D) caused dose-dependent kidney damage in rats. Histological changes included podocyte degeneration and tubular damage, indicating adverse effects on renal cortex histology.
Area of Science:
- Toxicology
- Histopathology
- Nephrology
Background:
- 2,4-dichlorophenoxyacetic acid (2,4-D) is a widely used herbicide.
- Understanding its toxicological effects on mammalian organs is crucial.
Purpose of the Study:
- To investigate the histological impact of subacute oral 2,4-D exposure on the rat kidney cortex.
- To determine the dose-dependent nature of these effects.
Main Methods:
- Rats were orally administered 2,4-D for 28 days.
- Body weight, kidney weight, and kidney cortex histology were analyzed.
- Histopathological changes were evaluated using light microscopy.
Main Results:
- 2,4-D exposure led to decreased body and kidney weight gain.
- Histological findings included renal corpuscle and podocyte degeneration.
- Tubular structures showed vacuolization, cystic dilation, and basal lamina alterations.
- Glomerular and stromal fibronectin reactions were significantly reduced.
Conclusions:
- Subacute 2,4-D administration induces significant, dose-dependent histopathological degenerative effects in the rat kidney cortex.
- Observed changes suggest damage to glomeruli, podocytes, and renal tubules.
- Further research into the mechanisms of 2,4-D nephrotoxicity is warranted.
