N-Acetyl-D-Mannosamine Treatment Alleviates Age-Related Decline in Place-Learning Ability in Dogs

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  • NAGASAWA Miho
    Department of Animal Science and Biotechnology, Azabu University, 1–17–71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
  • SHIMOZAWA Aki
    Department of Animal Science and Biotechnology, Azabu University, 1–17–71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
  • MOGI Kazutaka
    Department of Animal Science and Biotechnology, Azabu University, 1–17–71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
  • KIKUSUI Takefumi
    Department of Animal Science and Biotechnology, Azabu University, 1–17–71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan

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  • Pharmacology : N-Acetyl-D-Mannosamine Treatment Alleviates Age-Related Decline in Place-Learning Ability in Dogs

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Abstract

This study aimed to investigate the therapeutic effects of N-acetyl-D-mannosamine (ManNAc) on age-related cognitive dysfunction in dogs. ManNAc was administered to 5 dogs with low cognitive levels for 2 months, and the cognitive ability and active-resting cycle were periodically assessed for improvement. ManNAc treatment significantly reduced the number of error trials in the place-learning test, especially in the first month of administration. Three ManNAc-treated dogs also showed improvement in the active-resting cycle. In conclusion, ManNAc treatment appears to alleviate age-related cognitive dysfunction.

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