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Pyrazinamide potential effects on male rats DNA fragmentation, bone type I collagen amino acid composition,

Larysa B Bondarenko1, Ganna M Shayakhmetova, Taisiya F Byshovets

  • 1SI "Institute of Pharmacology & Toxicology", Academy of Medical Sciences of Ukraine, Eugene Potier 14, Kyiv, 03680, Ukraine. larabon04@yahoo.com

Acta Poloniae Pharmaceutica
|October 16, 2012
PubMed

Insights

Pyrazinamide, a first-line tuberculosis drug, can negatively impact male rat reproductive health, causing DNA damage and affecting offspring development. These findings highlight potential risks associated with pyrazinamide treatment.

Area of Science:

  • Toxicology
  • Reproductive Biology
  • Molecular Biology

Background:

  • First-line antitubercular agents, including pyrazinamide, are crucial for tuberculosis treatment.
  • Adverse effects of these drugs can lead to treatment failure and necessitate careful monitoring.
  • Understanding the specific toxicological profile of pyrazinamide is essential for optimizing therapeutic strategies.

Purpose of the Study:

  • To evaluate the effects of pyrazinamide on male rat reproductive parameters.
  • To assess pyrazinamide's impact on DNA fragmentation in reproductive organs.
  • To investigate the consequences of pyrazinamide exposure on bone type I collagen and reproductive outcomes in offspring.

Main Methods:

  • Wistar albino male rats were administered pyrazinamide at 1000 mg/kg or 2000 mg/kg daily for 60 days.
  • Bone type I collagen amino acid composition was analyzed using an amino acid analyzer.
  • Testis and epididymis DNA fragmentation was assessed via electrophoresis, and reproductive capability was evaluated through mating and subsequent offspring development analysis.

Main Results:

  • Pyrazinamide administration resulted in dose-dependent quantitative and qualitative changes in male rat reproductive organ DNA and bone type I collagen.
  • Significant alterations in nucleic acid and protein structures were observed compared to control groups.
  • These molecular changes correlated with impaired fertilization, reduced embryogenesis, and decreased posterity survival rates.

Conclusions:

  • Pyrazinamide exposure induces significant reproductive toxicity in male rats.
  • The observed DNA fragmentation and collagen alterations may underlie the impaired reproductive capability and adverse effects on offspring.
  • These findings underscore the importance of considering pyrazinamide's reproductive risks in treatment protocols.

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