Anticipation in hereditary dentatorubral-pallidoluysian atrophy (original) (raw)

Abstract

Anticipation refers to the progressively earlier onset and increase in disease severity in successive generations. We studied four families with hereditary dentatorubral-pallidoluysian atrophy (DRPLA), a neurodegenerative disease, and anticipation was present in the mode of inheritance. In subsequent generations DRPLA shows an earlier onset and more severe as well as additional symptoms. Older onset patients suffer from cerebellar ataxia with or without dementia, whereas younger onset patients present as progressive myoclonus epilepsy syndrome, which consists of mental retardation, dementia, and cerebellar ataxia as well as epilepsy and myoclonus. Anticipation with paternal transmission was significantly greater than with maternal transmission.

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  1. Osamu Komure
    Present address: Department of Psychiatry and Neurology, Kobe University School of Medicine, Kusunoki-cho, Chuo-ku, 650, Kobe, Japan
  2. Jun Kawai
    Present address: Department of Pathology, Kinki University School of Medicine, Sayama, 377-2, Osaka, Japan

Authors and Affiliations

  1. Department of Neuropsychiatry, Ehime University School of Medicine, Shigenobu, Onsen-gun, 791-02, Ehime, Japan
    Akira Sano, Noriko Yamauchi & Yasuo Kakimoto
  2. Department of Hygiene, Ehime, University School of Medicine, Shigenobu, Onsen-gun, 791-02, Ehime, Japan
    Ikuko Kondo
  3. Department of Neurology, Utano National Hospital, Narutaki, Ukyo-ku, 616, Kyoto, Japan
    Osamu Komure
  4. Department of Pathology, Shiga University of Medical Science, Ohtsu, 520-21, Shiga, Japan
    Jun Kawai & Fumitada Hazama
  5. Department of Pediatrics, Ehime National Hospital, Shigenobu, Onsen-gun, 791-02, Ehime, Japan
    Kazuyo Kuzume & Nozomi Sano

Authors

  1. Akira Sano
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  2. Noriko Yamauchi
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  3. Yasuo Kakimoto
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  4. Osamu Komure
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  5. Jun Kawai
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  6. Fumitada Hazama
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  7. Kazuyo Kuzume
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  8. Nozomi Sano
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  9. Ikuko Kondo
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Sano, A., Yamauchi, N., Kakimoto, Y. et al. Anticipation in hereditary dentatorubral-pallidoluysian atrophy.Hum Genet 93, 699–702 (1994). https://doi.org/10.1007/BF00201575

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