Non-purulent meningoencephalomyelitis of a Pacific striped dolphin (Lagenorhynchus obliquidens): The first evidence of morbillivirus infection in a dolphin at the Pacific ocean around Japan

On March 22, 1998, a mature, male hyposthenic Pacific striped dolphin (Lagenorhynchus obliquidens) was stranded at Aoshima Beach in Miyazaki prefecture, Japan. A necropsy performed 14 hr after death revealed mild diffuse congestion and edema of the leptomeninges and mild pulmonary atelectasis. Histo...

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Published inJournal of Veterinary Medical Science Vol. 61; no. 2; pp. 159 - 162
Main Authors Uchida, K. (Miyazaki Univ. (Japan). Faculty of Agriculture), Muranaka, M, Horii, Y, Murakami, N, Yamaguchi, R, Tateyama, S
Format Journal Article
LanguageEnglish
Published Japan JAPANESE SOCIETY OF VETERINARY SCIENCE 01.02.1999
Japan Science and Technology Agency
Subjects
Animals
Antibodies, Viral - analysis
Canine distemper virus
Cetacea
DAUPHIN
DELFIN
Distemper Virus, Canine - immunology
dolphin
DOLPHINS
Dolphins - virology
ENCEFALITIS
ENCEPHALITE
ENCEPHALITIS
encephalomyelitis
Encephalomyelitis - veterinary
Encephalomyelitis - virology
INFECCION
INFECTION
JAPAN
JAPON
Lagenorhynchus obliquidens
Male
MENINGITE
MENINGITIS
Meningoencephalitis - veterinary
Meningoencephalitis - virology
MORBILLIVIRUS
Morbillivirus Infections - veterinary
Nucleoproteins - immunology
OCEAN PACIFIQUE
OCEANO PACIFICO
PACIFIC OCEAN
Viral Proteins - immunology
Japan
Pacific Ocean
INW, Japan, Kyushu, Miyazaki Prefect
INW, Japan
Online AccessGet full text
ISSN0916-7250
1347-7439
DOI10.1292/jvms.61.159

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Summary:On March 22, 1998, a mature, male hyposthenic Pacific striped dolphin (Lagenorhynchus obliquidens) was stranded at Aoshima Beach in Miyazaki prefecture, Japan. A necropsy performed 14 hr after death revealed mild diffuse congestion and edema of the leptomeninges and mild pulmonary atelectasis. Histopathologically, non-purulent inflammatory were observed throughout the cerebrum, thalamus, midbrain, pons, medulla oblongata, and spinal cord. Hematoxylin and eosin stain revealed no viral inclusion bodies. Immunohistochemistry using a monoclonal antibody against nucleoprotein of canine distemper virus (CDV-NP) revealed a number of CDV-NP-positive granular deposits in the cytoplasm and cell processes of the degenerating or intact neurons. The present paper is a first report of spontaneously occurred morbillivirus infection in a dolphin at the Pacific Ocean around Japan
Bibliography:L73
1999006736
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ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.61.159