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Methamphetamine induces abnormal sperm morphology, low sperm concentration and apoptosis in the testis of male rats

S Nudmamud-Thanoi1, S Thanoi

  • 1Department of Anatomy, Naresuan University, Phitsanulok, Thailand.

Andrologia
|April 14, 2011
PubMed

Insights

Methamphetamine negatively impacts male rat fertility, reducing sperm quality and increasing testicular cell death. These findings highlight methamphetamine

Area of Science:

  • Reproductive Toxicology
  • Male Reproductive Health
  • Pharmacology

Background:

  • Methamphetamine is recognized for its significant role in reproductive toxicology.
  • Understanding its impact on male gametogenesis is crucial for public health.
  • Previous research indicates potential adverse effects on reproductive systems.

Purpose of the Study:

  • To investigate the effects of methamphetamine on sperm morphology in male rats.
  • To assess the impact of methamphetamine on sperm concentration.
  • To evaluate the apoptotic activity within seminiferous tubules following methamphetamine administration.

Main Methods:

  • Male rats were administered methamphetamine intraperitoneally (IP).
  • Two dosing regimens were used: acute (8 mg/kg once) and sub-acute (4 mg/kg daily for 14 days).
  • Sperm morphology, sperm count, and apoptotic cell counts in seminiferous tubules were analyzed.

Main Results:

  • A significant decrease in normal sperm morphology was observed in the acute group.
  • Both acute and sub-acute methamphetamine exposure led to a significant reduction in total sperm count.
  • Apoptotic activity in seminiferous tubules was significantly elevated in the acute group, indicating dose-dependent toxicity.

Conclusions:

  • Methamphetamine exposure adversely affects key parameters of male reproductive health, including sperm quality and quantity.
  • The drug induces significant apoptosis in testicular germ cells, suggesting direct toxicity to gametogenesis.
  • Results indicate methamphetamine's detrimental effects extend beyond the central nervous system to male reproductive function.

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