Effects of Radioactive Caesium on Bull Testes After the Fukushima Nuclear Plant Accident

Overview

Journal Sci Rep

Specialty Science

Date 2013 Oct 9

PMID 24100305

Citations 23

Authors

Hideaki Yamashiro

Yasuyuki Abe

Tomokazu Fukuda

Yasushi Kino

Isao Kawaguchi

Yoshikazu Kuwahara

Motoi Fukumoto

Shintaro Takahashi

Masatoshi Suzuki

Jin Kobayashi

Emi Uematsu

Bin Tong

Takahisa Yamada

Satoshi Yoshida

Eimei Sato

Hisashi Shinoda

Tsutomu Sekine

Emiko Isogai

Manabu Fukumoto

Affiliations

Soon will be listed here.

Abstract

We aimed to investigate the effect of chronic radiation exposure associated with the Fukushima Daiichi Nuclear Plant accident on the testis from 2 bulls. Estimated dose of internal exposure in one bull was 0.7-1.2 mGy (¹³⁴Cs) and 0.4-0.6 mGy (¹³⁷Cs) and external exposure was 2.0 mGy (¹³⁴Cs) and 0.8 mGy (¹³⁷Cs) (196 days). Internal dose in the other was 3.2-6.1 mGy (¹³⁴Cs) and 1.8-3.4 mGy (¹³⁷Cs) and external dose was 1.3 mGy (¹³⁴Cs) and 0.6 mGy (¹³⁷Cs) (315 days). Sperm morphology and spermatogenesis were within normal ranges. ¹³⁴,¹³⁷Cs radioactivity was detected but Cs was not detectable in the testis by electron probe microanalysis. Thus, adverse radiation-induced effects were not observed in bull testes following chronic exposure to the above levels of radiation for up to 10 months. Since we could analyse a limited number of testes, further investigation on the effects of ionizing radiation on spermatogenesis should be extended to more animals.

Citing Articles

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