<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Sixteen white Wistar female rats were divided into two equal groups. Experimental group received <italic>per os </italic>40 mg/kg b.w. of L-arginine, every other day for 2 weeks and were decapitated after 3 weeks of the experiment. Control rats received in the same manner 2 ml of distilled water and were decapitated after 3 weeks of the experiment. The renal lesions observed under electron microscope were of focal character and concerned only the experimental group. The tubules with necrotic cells were observed among normal tubules or single normal epithelial cells of the tubular wall. The boundaries between epithelial cells of the tubule wall were blurred. The mitochondria indicated abnormal structure. Numerous lysosomes and peroxysomes with dark, homogenous content were observed. The rough endoplasmic reticulum had widened channels and was focally completely destroyed. The nucleus of damaged cells was most commonly located in one of the cell poles; its shape was changed and visibly smaller than the nuclei of normal cells. Condensation and peripherally located chromatin were noticed. The lesions observed were characteristic for apoptotic cells.</p></abstract>

Sixteen white Wistar female rats were divided into two equal groups. Experimental group received per os 40 mg/kg b.w. of L-arginine, every other day for 2 weeks and were decapitated after 3 weeks of the experiment. Control rats received in the same manner 2 ml of distilled water and were decapitated after 3 weeks of the experiment. The renal lesions observed under electron microscope were of focal character and concerned only the experimental group. The tubules with necrotic cells were observed among normal tubules or single normal epithelial cells of the tubular wall. The boundaries between epithelial cells of the tubule wall were blurred. The mitochondria indicated abnormal structure. Numerous lysosomes and peroxysomes with dark, homogenous content were observed. The rough endoplasmic reticulum had widened channels and was focally completely destroyed. The nucleus of damaged cells was most commonly located in one of the cell poles; its shape was changed and visibly smaller than the nuclei of normal cells. Condensation and peripherally located chromatin were noticed. The lesions observed were characteristic for apoptotic cells.

Ultrastructure of Renal Tubular Epithelial Cells Of Rat’s Kidneys after Administration of L-Arginine

Department of Histology and Embryology with Laboratory of Experimental Cytology

Department of Animal Anatomy and Histology, Faculty of Veterinary Medicine

Department of Maritime and Hyperbaric Department

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Sixteen white Wistar female rats were divided into two equal groups. Experimental group received per os 40 mg/kg b.w. of L-arginine, every other day for 2...

Ultrastructure of Renal Tubular Epithelial Cells Of Rat’s Kidneys after Administration of L-Arginine

Publié en ligne: 15 mars 2013

Pages: 113 - 117

DOI: https://doi.org/10.2478/bvip-2013-0021

Mots clés
rats, L-arginine, kidneys, ultrastructure

© 2013

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Ultrastructure of Renal Tubular Epithelial Cells Of Rat’s Kidneys after Administration of L-Arginine

Publié en ligne: 15 mars 2013

Pages: 113 - 117

DOI: https://doi.org/10.2478/bvip-2013-0021

Mots clésrats, L-arginine, kidneys, ultrastructure

© 2013

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
rats, L-arginine, kidneys, ultrastructure