PMID- 10333532 OWN - NLM STAT- MEDLINE DCOM- 19990617 LR - 20190702 IS - 0027-5107 (Print) IS - 0027-5107 (Linking) VI - 441 IP - 2 DP - 1999 May 17 TI - Griseofulvin-induced aneuploidy and meiotic delay in male mouse germ cells: detected by using conventional cytogenetics and three-color FISH. PG - 181-90 AB - Griseofulvin (GF) was tested in male mouse germ cells for the induction of meiotic delay and aneuploidy. Starved mice were orally treated with 500, 1000 and 2000 mg/kg of GF in corn oil and testes were sampled 22 h later for meiotic delay analysis and chromosome counting in spermatocytes at the second meiotic metaphase (MMII). A dose-related increase in meiotic delay by dose-dependently arresting spermatocytes in first meiotic metaphase (MMI) or/and prolonging interkinesis was observed. Hyperhaploid MMII cells were not significantly increased. Sperm were sampled from the Caudae epididymes 22 days after GF-treatment of the males for three-color fluorescence in situ hybridization (FISH). The frequencies of diploidies were 0.01-0.02% in sperm of the solvent control animals and increased dose-dependently to 0.03%, 0.068% and 0.091%, respectively, for 500, 1000 and 2000 mg/kg of GF. The frequencies of disomic sperm were increased significantly above the controls in all GF-treated groups but showed no dose response. The data for individual classes of disomic sperm indicated that MII was more sensitive than MI to GF-induced non-disjunction in male mice. A comparison of the present data from male mice and literature data from female mice suggests that mouse oocytes are more sensitive than mouse spermatocytes to GF-induced meiotic delay and aneuploidy. CI - Copyright 1999 Elsevier Science B.V. FAU - Shi, Q AU - Shi Q AD - Institut fuer Saeugetiergenetik, GSF Forschungszentrum fuer Umwelt und Gesundheit, Ingolstaedter Landstr. 1, 85764 Neuherberg, Germany. FAU - Schmid, T E AU - Schmid TE FAU - Adler, I AU - Adler I LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - Netherlands TA - Mutat Res JT - Mutation research JID - 0400763 RN - 0 (Antifungal Agents) RN - 0 (DNA Probes) RN - 32HRV3E3D5 (Griseofulvin) SB - IM MH - Aneuploidy MH - Animals MH - Antifungal Agents/*pharmacology MH - Chromosome Aberrations MH - DNA Probes/chemistry MH - Dose-Response Relationship, Drug MH - Epididymis/drug effects MH - Female MH - Griseofulvin/*pharmacology MH - Image Processing, Computer-Assisted MH - In Situ Hybridization, Fluorescence/veterinary MH - Male MH - Meiosis/*drug effects MH - Mice MH - Microscopy, Fluorescence/veterinary MH - Random Allocation MH - Spermatozoa/*drug effects EDAT- 1999/05/20 00:00 MHDA- 1999/05/20 00:01 CRDT- 1999/05/20 00:00 PHST- 1999/05/20 00:00 [pubmed] PHST- 1999/05/20 00:01 [medline] PHST- 1999/05/20 00:00 [entrez] AID - S1383571899000467 [pii] AID - 10.1016/s1383-5718(99)00046-7 [doi] PST - ppublish SO - Mutat Res. 1999 May 17;441(2):181-90. doi: 10.1016/s1383-5718(99)00046-7.