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Erschienen in: Urolithiasis 3/2013

01.06.2013 | Original Paper

Molecular mechanisms involved in the protective effect of the chloroform extract of Selaginella lepidophylla (Hook. et Grev.) Spring in a lithiasic rat model

verfasst von: Estévez-Carmona María Mirian, Narvaéz-Morales Juanita, Barbier Olivier Christophe, Meléndez-Camargo María Estela

Erschienen in: Urolithiasis | Ausgabe 3/2013

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Abstract

Urolithiasis is a multifaceted process, progressing from urine supersaturation to the formation of mature renal calculi. Calcium oxalate, the main component of kidney stones, has toxicological effects on renal epithelial cells. Some medicinal plants have shown pharmacological effects against renal lithiasis, such as Selaginella lepidophylla (Hook. et Grev) Spring, a plant empirically used in Mexico for its diuretic and antilithiasic activity. The plant was identified and ground, and a chloroform extract (CE) was obtained. Urolithiasis was induced in Wistar female rats by administration of ethylene glycol and ammonium chloride for 21 days. Urolithiasis rats were treated with the CE (50 mg/kg) for 21 days. Osmolality, creatinine, sodium and potassium concentrations were measured in blood and urine. Glomerular filtration rate (GFR), and electrolytic and water balances were calculated. Urinary oxalic acid concentration was measured. Apoptosis, lipoperoxidation, ROS and p-amino hippuric acid were determined in cortical tissue. Urolithiasis rats showed a decrease of urinary flow, GFR, electrolytic balance, renal tubular secretion and ATP concentration and increase of urinary oxalic acid, lipoperoxidation, oxidative stress and apoptosis in cortical tissue. After treatment with the CE, urinary flow rate, GFR and renal tubular secretion levels were recovered; on the other hand, serum creatinine and urinary oxalic acid decreased on day 21. CE of Selaginella lepidophylla prevented the damage caused by lithiasic process by improving the active secretion in the proximal tubules, counteracting the ROS and lipoperoxidation effects by oxalate and decreased the OAT3 expression on kidney.
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Metadaten
Titel
Molecular mechanisms involved in the protective effect of the chloroform extract of Selaginella lepidophylla (Hook. et Grev.) Spring in a lithiasic rat model
verfasst von
Estévez-Carmona María Mirian
Narvaéz-Morales Juanita
Barbier Olivier Christophe
Meléndez-Camargo María Estela
Publikationsdatum
01.06.2013
Verlag
Springer-Verlag
Erschienen in
Urolithiasis / Ausgabe 3/2013
Print ISSN: 2194-7228
Elektronische ISSN: 2194-7236
DOI
https://doi.org/10.1007/s00240-013-0556-9

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