Vitiligo Vulgaris of Japanese Black Cattle living in the restricted area of the Fukushima Daiichi Nuclear Power Plant Accident

2016 Fiscal Year Final Research Report

• Project/Area Number: 26511002
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: 復興農学
• Research Institution: Iwate University
• Principal Investigator: SASAKI JUN 岩手大学, 農学部, 助教 (60389682)
• Co-Investigator(Renkei-kenkyūsha): OKADA Keiji 岩手大学, 農学部, 教授 (60233326) ; SATO Itaru 岩手大学, 農学部, 教授 (60225919) ; SATOH Hiroshi 岩手大学, 農学部, 教授 (00726606)
• Research Collaborator: CHIDA Hiroyuki ; OTANI Kumiko ; IKEDA Mitsuhide ; IKEDA Mikiko ; YAMAMOTO Yukio ; WATANABE Fumikazu
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 黒毛和種牛 / 皮膚 / 白斑 / 尋常性白斑 / メラノサイト / 福島 / 東電福島第一原発事故

Outline of Final Research Achievements

The Fukushima Daiichi Nuclear Power Plant accident released a large quantity of radioactive materials into the environment after the Great East Japan Earthquake and Tsunami on March 11, 2011. After about one year from disaster, white spots has been appears in Japanese black cattle. White spots was recognized in the head, neck, trunk and four limbs. The size of white spot was about 1 cm in diameter, and discoloration of skin also observed. Histologically, decrease and disappearance of melanin pigment and reduction of melanocyte was comfirmed. Based on these findings, the lesion was diagnosed as vitiligo vulgaris, and the cause suggested that the possibility of decreased melanocyte and decreased activity.

Free Research Field

獣医病理学