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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Morán-Martínez, J. Jiménez-Villarreal, J. Carranza-Rosales, P. Leyva Orasma, C. Guzmán-Delgado, N. E. Viveros Valdez, E. Betancourt-Martínez, N. D. |
| Description | Author Affiliation: Betancourt-Martínez ND ( Departamento de Biología Celular y Ultraestructura, Centro de Investigación Biomédica, Facultad de Medicina de Torreón, Universidad Autónoma de Coahuila, Torreón, Coahuila, México.); Jiménez-Villarreal J ( Departamento de Biología Celular y Ultraestructura, Centro de Investigación Biomédica, Facultad de Medicina de Torreón, Universidad Autónoma de Coahuila, Torreón, Coahuila, México.); Carranza-Rosales P ( Departamento de Biología Celular y Molecular, Centro de Investigación Biomédica del Noreste, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México.); Guzmán-Delgado NE ( División de Investigación, Unidad Médica de Alta Especialidad #34, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México.); Leyva Orasma C ( Departamento de Ciencias Veterinarias, Universidad Autónoma Agraria Antonio Narro, Unidad Torreón, Coahuila, México.); Viveros Valdez E ( Departamento de Biología Celular y Ultraestructura, Centro de Investigación Biomédica, Facultad de Medicina de Torreón, Universidad Autónoma de Coahuila, Torreón, Coahuila, México.) |
| Abstract | Formaldehyde (FA) is an environmental xenobiotic, which is genotoxic and carcinogenic to humans and animals; it induces DNA damage, mutations, and clastogenicity during critical cytogenetic events. FA-mediated oxidative stress is an important mechanism that has been associated with the induction of cytotoxic and genotoxic damage. Therefore, the objective of this study was to evaluate the dispersion of sperm chromatin and reproductive parameters induced by exposure to different concentrations of FA in Wistar rats. Compared to the percentage of sperm with fragmented DNA in the control group (18.10 ± 8.62%), the percentage of sperm with fragmented DNA increased following exposure to 5, 10, and 30 mg FA/kg body weight (29.60 ± 8.44, 85.20 ± 20.94 and 96.0 ± 7.87, respectively; P = 0.0001). Histopathological alterations were evident, especially in the seminiferous tubules. In conclusion, this study provides experimental evidence concerning the genotoxicity of FA, with particular reference to the decreased sperm concentration and motility and increased dispersion of DNA chromatin in rats. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 3 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-09-09 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Chromatin Drug Effects Formaldehyde Toxicity Mutagens Seminiferous Tubules Spermatozoa Testis Animals Body Weight Ultrastructure Dna Fragmentation Injections, Intraperitoneal Oxidative Stress Rats, Wistar Sperm Count Sperm Motility Spermatogenesis Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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