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Development of Endoplasmic Reticulum Stress during Experimental Oxalate Nephrolithiasis.
Yu G Motin1, A V Lepilov2, N P Bgatova3
1Altai State Medical University, Barnaul, Russia. pathol@inbox.ru.
Bulletin of Experimental Biology and Medicine
|January 12, 2016
Summary
Oxalate nephrolithiasis causes endoplasmic reticulum stress and cell injury in rat kidneys. This stress is linked to oxidative damage during early stone formation.
Area of Science:
- Nephrology
- Cell Biology
- Biochemistry
Background:
- Oxalate nephrolithiasis is a significant kidney condition.
- Endoplasmic reticulum stress plays a role in cellular dysfunction.
- Oxidative damage is implicated in kidney stone formation.
Purpose of the Study:
- To investigate the morphological and ultrastructural changes in rat kidneys with oxalate nephrolithiasis.
- To evaluate endoplasmic reticulum stress during nephrolithiasis and α-tocopherol treatment.
- To explore the relationship between endoplasmic reticulum stress and oxidative damage in lithogenesis.
Main Methods:
- Morphological and ultrastructural examination of rat kidney tissues.
- Assessment of endoplasmic reticulum stress markers and proapoptotic pathways.
- Evaluation of cellular organelle and membrane integrity.
Main Results:
- Observed signs of endoplasmic reticulum stress with activated proapoptotic pathways in nephron tubules and collecting ducts.
- Identified ultrastructural changes in epitheliocyte organelles, nuclei, and cell membranes.
- Revealed a correlation between endoplasmic reticulum stress and oxidative damage during early lithogenesis.
Conclusions:
- Endoplasmic reticulum stress contributes to cell injury in oxalate nephrolithiasis.
- Oxidative damage is associated with endoplasmic reticulum stress in the early stages of kidney stone development.
- These findings highlight potential therapeutic targets for oxalate nephrolithiasis.
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