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Evaluation of potential nephrotoxicity of antibiotics
Abstract:
In order to assess the potential nephrotoxcity excerted by various antibiotics in therapeutic doses, the effects of antibiotics administered to Wistar rats in vitro and in vivo were investigated in terms of protein synthesis, nucleic acid metabolism, and lysosome stability. In vivo experiment protein synthesis was inhibited by SM, KM, GM and CL. RNA metabolism and stability of lysosomal enzyme, acid-phosphatase, were also disturbed by the aminoglycosides. In vitro experiments yielded almost the same tendencies. In our studies cephalosporins and related antibiotics had no influence upon the metabolism of RNA, protein synthesis and lysosomal enzyme.
Insights
Aminoglycoside antibiotics like streptomycin (SM) and gentamicin (GM) can harm kidney cells by disrupting protein synthesis and lysosome stability. Cephalosporins showed no such nephrotoxic effects in rat studies.
Area of Science:
- Nephrology
- Pharmacology
- Toxicology
Background:
- Antibiotics are crucial for treating bacterial infections.
- Potential nephrotoxicity of certain antibiotic classes requires careful evaluation.
- Understanding cellular mechanisms of antibiotic-induced kidney damage is vital.
Purpose of the Study:
- To assess the nephrotoxic potential of various antibiotics at therapeutic doses.
- To investigate the effects of antibiotics on cellular processes in kidney cells.
- To compare in vitro and in vivo findings regarding antibiotic nephrotoxicity.
Main Methods:
- In vivo and in vitro experiments using Wistar rats.
- Assessment of protein synthesis inhibition.
- Evaluation of nucleic acid (RNA) metabolism.
- Measurement of lysosome stability (acid phosphatase activity).
Main Results:
- Aminoglycosides (SM, KM, GM, CL) inhibited protein synthesis in vivo.
- RNA metabolism and lysosomal enzyme stability were disturbed by aminoglycosides.
- In vitro experiments largely corroborated in vivo findings.
- Cephalosporins demonstrated no adverse effects on RNA metabolism, protein synthesis, or lysosomal enzymes.
Conclusions:
- Aminoglycoside antibiotics exhibit significant nephrotoxic potential.
- Cellular targets of aminoglycoside nephrotoxicity include protein synthesis, RNA metabolism, and lysosome stability.
- Cephalosporins appear to be a safer alternative regarding nephrotoxicity.