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Protein level in testes, kidneys and liver after AET or MEA treatment of mice
1Department of Animal Physiology, Jagiellonian University, Cracow, Poland.
Abstract:
The adult male Swiss mice were treated intraperitoneally with AET (2-aminoethylisothiouronium Br.HBr) or MEA (cysteamine HCl), in a toxic dose of 400 mg/kg body weight. The measurements of the protein content in crude homogenates of testes, kidneys and liver were done every fourth hour throughout a 24-hour period. Treatment of mice with AET and MEA resulted in different patterns of temporal changes in the protein content in testes, kidneys and liver expressed in mg per 1 g of fresh tissue and per the whole organ weight. The extent and timing of the alterations in the protein level appeared to depend on the particular organ chosen and the thiol agent applied.
Insights
This study investigated how 2-aminoethylisothiouronium (AET) and cysteamine (MEA) affect protein levels in mice organs over 24 hours. Organ and thiol agent type influenced the timing and extent of protein content changes.
Area of Science:
- Biochemistry
- Toxicology
- Pharmacology
Background:
- Thiol compounds like AET and MEA are used in various applications.
- Understanding their toxicological effects on protein metabolism is crucial.
- Organ-specific responses to xenobiotics require detailed investigation.
Purpose of the Study:
- To examine the temporal changes in protein content in testes, kidneys, and liver of mice after administration of AET or MEA.
- To compare the effects of AET and MEA on protein levels in different organs.
- To determine if the dose of 400 mg/kg body weight induces significant alterations.
Main Methods:
- Adult male Swiss mice were administered intraperitoneal injections of AET or MEA (400 mg/kg).
- Protein content in crude homogenates of testes, kidneys, and liver was measured at 4-hour intervals over 24 hours.
- Measurements were expressed per gram of fresh tissue and per whole organ weight.
Main Results:
- AET and MEA treatments induced distinct temporal patterns of protein content alteration.
- The observed changes in protein levels varied significantly between testes, kidneys, and liver.
- The extent and timing of these alterations were dependent on both the specific organ and the thiol agent used.
Conclusions:
- The protein content in mouse testes, kidneys, and liver exhibits dynamic temporal changes following AET or MEA administration.
- These thiol agents differentially impact protein metabolism across various organs.
- Organ-specific sensitivity and the nature of the thiol agent are key determinants of toxicological outcomes.