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  6. Kayoko Ishihara

Kayoko Ishihara

Affiliation

Department of Clinical Studies
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About

Dr. Ishihara was accepted as an Associate Senior Scientist of the Department of Clinical Studies in April 2025. Prior to this, she worked as a neurologist specializing in stroke and neurological disorders, focusing on clinical practice and research. At RERF, she has been engaged in health screening and research activities targeting A-bomb survivors and their children. Her current research interests include investigating the effects of radiation exposure on cognitive function or stroke and exploring the background factors that influence age-related diseases.

Education

2015
Ph.D., Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University
2002
M.D., School of Medicine, Hiroshima University

Experience

2025‐
Associate Senior Scientist, Department of Clinical Studies, RERF
2016-2025
Visiting Research Associate, Department of Clinical Studies, RERF
2014-2015
Clinical and Research Fellow, Department of Clinical Neuroscience and Therapeutics, Hiroshima University Hospital
2008-2011
Fellow, Department of Clinical Neuroscience and Therapeutics, Hiroshima University Hospital
2007-2008
Specialist-in-training Doctor, Cerebrovascular Division, Department of Medicine, National Cardiovascular Center
2004-2007
Resident, Cerebrovascular Division, Department of Medicine, National Cardiovascular Center
2004
Researcher, Department of Clinical Neuroscience and Therapeutics, Graduate School of Biomedical Sciences, Hiroshima University
2002-2004
Junior Resident, Department of Internal Medicine, Hiroshima University Hospital
2002
Junior Resident, Department of Internal Medicine, Hiroshima Red Cross Hospital and Atomic-bomb Survivors Hospital

Selected publications

Kitamura H, Ishihara K, Kato N, Misumi M, Hida A, Yamada M. Neurocognitive Function in Aged Survivors Exposed to Atomic Bomb Radiation In Utero: The Radiation Effects Research Foundation Adult Health Study. Radiat Res. 2023;200:503-7.
Ishihara K, Kato N, Misumi M, Kitamura H, Hida A, Yamada M. Radiation Effects on Late-life Neurocognitive Function in Childhood Atomic Bomb Survivors: A Radiation Effects Research Foundation Adult Health Study. Radiat Res. 2022;197:403-7.
Yamada M, Kato N, Kitamura H, Ishihara K, Hida A. Cognitive function among elderly survivors prenatally exposed to atomic bombings. Am J Med. 2021; 134: e264-e7.
Yamada M, Landes RD, Hida A, Ishihara K, Krull KR. Effects of Demographic Variables on Subjective Neurocognitive Complaints Using the Neurocognitive Questionnaire (NCQ) in an Aged Japanese Population. Int J Environ Res Public Health. 2019;16:421.
Kawase Ishihara K, Kokubo Y, Yokota C, Hida E, Miyata T, Toyoda K, Matsumoto M, Minematsu K, Miyamoto Y. Effect of Plasma Fibrinogen, High-Sensitive C-Reactive Protein, and Cigarette Smoking on Carotid Atherosclerosis: The Suita Study. J Stroke Cerebrovasc Dis. 2015;24:2385-9.

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