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  • Title: [Induction of non-disjunction of chromosome 8 by Tripterygium hypoglaucum (Lévl.) Hutch in mouse sperm].
    Author: Wang XY, Ding YR, Wang X.
    Journal: Yi Chuan Xue Bao; 2002; 29(3):217-20. PubMed ID: 12182074.
    Abstract:
    Fluorescence in situ hybridization (FISH) was employed to detect non-disjunction of chromosome 8 during meiosis in young adult male mice after treated by Tripterygium hypoglaucum(Lévl.) Hutch(THH). The Kunming male mice were given THH(120 mg/kg, 240 mg/kg, 480 mg/kg) by abdominal cavity injection, and sacrificed 22 days sfter the treatment of THH. Epididymis sperm was used to make smear. FISH using bio-16-dUTP-labelled DNA probes specific for chromosome 8 was performed on epididymal sperm decondensed for 60 min each in 10 mmol/L DTT and 4 mmol/L LIS. The aneuploidy frequencies of chromosome 8 were significantly higher than the solvent control (P < 0.001) in both 240 mg/kg group and 480 mg/kg group. The aneuploidy frequencies were not significantly different between the sperm in 120 mg/kg group and the solvent control (P > 0.05). It is concluded that THH could induce non-disjunction of chromosome 8 in mouse sperm, and THH is a potential germinal aneugen in mammalian during the meiosis.
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