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Pyrethroid insecticide exposure and semen quality of young Japanese men.
Imai, Kanako; Yoshinaga, Jun; Yoshikane, Mitsuha; Shiraishi, Hiroaki; Mieno, Makiko Naka; Yoshiike, Miki; Nozawa, Shiari; Iwamoto, Teruaki.
Afiliación
  • Imai K; Department of Environmental Studies, University of Tokyo, Kashiwa, Chiba 277-8563, Japan.
  • Yoshinaga J; Department of Environmental Studies, University of Tokyo, Kashiwa, Chiba 277-8563, Japan. Electronic address: junyosh@k.u-tokyo.ac.jp.
  • Yoshikane M; Department of Environmental Studies, University of Tokyo, Kashiwa, Chiba 277-8563, Japan.
  • Shiraishi H; National Institute for Environmental Studies, Tsukuba, Ibaraki 305-8563, Japan.
  • Mieno MN; Centre for Information, Jichi Medical University, Shimotsuke, Tchigi 329-0498, Japan.
  • Yoshiike M; Department of Urology, St. Marianna University School of Medicine, Kawasaki, Kanagawa 216-8511, Japan.
  • Nozawa S; Department of Urology, St. Marianna University School of Medicine, Kawasaki, Kanagawa 216-8511, Japan.
  • Iwamoto T; Department of Urology, St. Marianna University School of Medicine, Kawasaki, Kanagawa 216-8511, Japan; Center for Infertility and IVF, International University of Health and Welfare Hospital, Nasushiobara, Tochigi 329-2763, Japan.
Reprod Toxicol ; 43: 38-44, 2014 Jan.
Article en En | MEDLINE | ID: mdl-24189267
The present study aimed at assessing the relationship between exposure to pyrethroid insecticides and semen quality in 323 university students recruited in a population-based manner in Metropolitan Tokyo. Urinary concentrations of pyrethroid insecticide metabolite, 3-phenoxybenzoic acid (3-PBA), were measured by LC/MS/MS and semen parameters were measured by following internationally harmonized protocols. Median urinary 3-PBA concentration was 0.641 ng/mL (specific gravity-adjusted, n=322). Median values of semen volume, sperm concentration, motility, total number of sperm, and total number of motile sperm were 2.5 mL, 56×10(6)/mL, 61%, 141×10(6), and 82×10(6), respectively. Urinary concentration of 3-PBA was not selected as significant in multiple regression models indicating, in contrast to previous findings, that environmental exposure to pyrethroid insecticides did not affect semen quality. This inconsistency may be related to exposure to different pyrethroid insecticides and/or levels of exposure as well as to survey design (hospital- vs population-based subject recruitment).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Benzoatos / Análisis de Semen / Insecticidas Tipo de estudio: Prognostic_studies Límite: Adolescent / Adult / Humans / Male Idioma: En Revista: Reprod Toxicol Asunto de la revista: EMBRIOLOGIA / MEDICINA REPRODUTIVA / TOXICOLOGIA Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Benzoatos / Análisis de Semen / Insecticidas Tipo de estudio: Prognostic_studies Límite: Adolescent / Adult / Humans / Male Idioma: En Revista: Reprod Toxicol Asunto de la revista: EMBRIOLOGIA / MEDICINA REPRODUTIVA / TOXICOLOGIA Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos