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Article ; Online: Subcutaneous cysticercosis due to Taenia crassiceps (Cestoda: Taeniidae) in an imported steppe lemming in Japan.

Chou, Shyun / Ozawa, Masato / Matsubara, Katsuki / Tamukai, Kenichi / Tokiwa, Toshihiro

2021 Volume 87, Page(s) 102524

Abstract: This study describes a subcutaneous proliferative cysticercosis in a pet steppe lemming, Lagurus lagurus (Rodentia: Cricetidae), bred and imported from Czech Republic into Japan. Numerous metacestodes were collected from the subcutaneous cystic lesion of ...

Abstract	This study describes a subcutaneous proliferative cysticercosis in a pet steppe lemming, Lagurus lagurus (Rodentia: Cricetidae), bred and imported from Czech Republic into Japan. Numerous metacestodes were collected from the subcutaneous cystic lesion of the left medial thigh. Four surgical removals were coupled with anthelmintic treatment but ended with recurrence. Based on morphological features and mitochondrial DNA sequences, the metacestodes were identified as the larval stage of Taenia crassiceps (Zeder, 1800). This is the first case of infection with larval T. crassiceps in rodents of the genus Lagurus, and becomes the third case of the parasite detected from imported animals in Japan. Related public health concerns are discussed.
MeSH term(s)	Animals ; Arvicolinae/parasitology ; Cysticercosis/parasitology ; Cysticercosis/veterinary ; Czech Republic ; Female ; Japan ; Taenia/genetics ; Taenia/pathogenicity
Language	English
Publishing date	2021-12-01
Publishing country	Netherlands
Document type	Case Reports ; Journal Article
ZDB-ID	1363151-2
ISSN	1873-0329 ; 1383-5769
ISSN (online)	1873-0329
ISSN	1383-5769
DOI	10.1016/j.parint.2021.102524
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Article ; Online: New canine parvovirus 2a infection in an imported Asian small-clawed otter (Aonyx cinereus) in Japan.

Tamukai, Kenichi / Minami, Shohei / Kadekaru, Sho / Mitsui, Ikki / Maeda, Ken / Une, Yumi

The Journal of veterinary medical science

2021 Volume 83, Issue 3, Page(s) 507–511

Abstract: Post-import from the Republic of Indonesia to Japan in 2017, two juvenile, captive bred Asian small-clawed otters (Aonyx cinereus) exhibited gastrointestinal symptoms, including vomiting, diarrhea, and hematemesis, and died. One of them was examined ... ...

Abstract	Post-import from the Republic of Indonesia to Japan in 2017, two juvenile, captive bred Asian small-clawed otters (Aonyx cinereus) exhibited gastrointestinal symptoms, including vomiting, diarrhea, and hematemesis, and died. One of them was examined postmortem. Microscopically, the small intestinal mucosa was necrotic with crypts lined by regenerating large epithelial cells. A gastric cardiac mucosal ulcerative lesion containing fungal yeasts and pseudohyphae morphologically indicated Candida spp. The lymph nodes exhibited marked lymphoid depletion. Canine parvovirus 2 (CPV-2) was isolated from an oral swab, and virus protein 2 (VP2) gene sequencing revealed new CPV-2a. To our knowledge, this is the first new CPV-2a infection report in Asian small-clawed otters. This infection should be considered in gastrointestinal symptom-related cases in this species.
MeSH term(s)	Animals ; Dog Diseases ; Dogs ; Indonesia ; Japan ; Otters ; Parvoviridae Infections/veterinary ; Parvovirus, Canine/genetics ; Phylogeny
Language	English
Publishing date	2021-01-21
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.20-0480
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Article: Subcutaneous cysticercosis due to Taenia crassiceps (Cestoda: Taeniidae) in an imported steppe lemming in Japan

Chou, Shyun / Ozawa, Masato / Matsubara, Katsuki / Tamukai, Kenichi / Tokiwa, Toshihiro

Parasitology international. 2022 Apr., v. 87

2022

Abstract	This study describes a subcutaneous proliferative cysticercosis in a pet steppe lemming, Lagurus lagurus (Rodentia: Cricetidae), bred and imported from Czech Republic into Japan. Numerous metacestodes were collected from the subcutaneous cystic lesion of the left medial thigh. Four surgical removals were coupled with anthelmintic treatment but ended with recurrence. Based on morphological features and mitochondrial DNA sequences, the metacestodes were identified as the larval stage of Taenia crassiceps (Zeder, 1800). This is the first case of infection with larval T. crassiceps in rodents of the genus Lagurus, and becomes the third case of the parasite detected from imported animals in Japan. Related public health concerns are discussed.
Keywords	Cricetidae ; Japan ; Taenia crassiceps ; anthelmintics ; cysticercosis ; larvae ; metacestodes ; mitochondrial DNA ; parasites ; parasitology ; public health ; steppes ; Czech Republic
Language	English
Dates of publication	2022-04
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	1363151-2
ISSN	1383-5769
ISSN	1383-5769
DOI	10.1016/j.parint.2021.102524
Database	NAL-Catalogue (AGRICOLA)

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Article: Morphological and molecular characterization of

Tokiwa, Toshihiro / Ohnuki, Ai / Kubota, Rie / Tamukai, Kenichi / Ike, Kazunori

International journal for parasitology. Parasites and wildlife

2018 Volume 7, Issue 3, Page(s) 268–273

Abstract: In this study, we provide the first description ... ...

Abstract	In this study, we provide the first description of
Language	English
Publishing date	2018-07-11
Publishing country	England
Document type	Journal Article
ZDB-ID	2715239-X
ISSN	2213-2244
ISSN	2213-2244
DOI	10.1016/j.ijppaw.2018.07.001
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Article ; Online: Molecular evidence for vaccine-induced canine distemper virus and canine adenovirus 2 coinfection in a fennec fox.

Tamukai, Kenichi / Minami, Shohei / Kurihara, Rio / Shimoda, Hiroshi / Mitsui, Ikki / Maeda, Ken / Une, Yumi

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc

2020 Volume 32, Issue 4, Page(s) 598–603

Abstract: A 61-d-old fennec fox ( ...

Abstract	A 61-d-old fennec fox (
MeSH term(s)	Adenoviridae Infections/veterinary ; Adenoviridae Infections/virology ; Adenoviruses, Canine/isolation & purification ; Animals ; Brain/virology ; Coinfection/veterinary ; Distemper/virology ; Distemper Virus, Canine/genetics ; Distemper Virus, Canine/isolation & purification ; Fatal Outcome ; Foxes/virology ; Parvoviridae Infections/veterinary ; Parvoviridae Infections/virology ; Vaccination/veterinary ; Vaccines, Attenuated ; Viral Vaccines/immunology
Chemical Substances	Vaccines, Attenuated ; Viral Vaccines
Keywords	covid19
Language	English
Publishing date	2020-06-19
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	287603-6
ISSN	1943-4936 ; 1040-6387
ISSN (online)	1943-4936
ISSN	1040-6387
DOI	10.1177/1040638720934809
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Article ; Online: Molecular evidence for vaccine-induced canine distemper virus and canine adenovirus 2 coinfection in a fennec fox

Tamukai, Kenichi / Minami, Shohei / Kurihara, Rio / Shimoda, Hiroshi / Mitsui, Ikki / Maeda, Ken / Une, Yumi

Journal of Veterinary Diagnostic Investigation. 2020 July, v. 32, no. 4 p.598-603

2020

Abstract: A 61-d-old fennec fox (Vulpes zerda), 11 d after receiving a multivalent, modified-live virus vaccine containing canine distemper virus (CDV), canine adenovirus 2 (CAdV-2), parainfluenza virus, parvovirus, and canine coronavirus, developed oculonasal ... ...

Abstract	A 61-d-old fennec fox (Vulpes zerda), 11 d after receiving a multivalent, modified-live virus vaccine containing canine distemper virus (CDV), canine adenovirus 2 (CAdV-2), parainfluenza virus, parvovirus, and canine coronavirus, developed oculonasal discharge, and subsequently convulsions, and hemoptysis, and died. Microscopic changes in the cerebrum were evident, including neuronal degeneration and necrosis; intracytoplasmic eosinophilic inclusion bodies were observed in astrocytes. CDV was detected in the brain tissue by immunohistochemistry. Pulmonary lesions of multifocal necrotizing bronchopneumonia had Cowdry type A intranuclear inclusions in the bronchial epithelial cells. Electron microscopy revealed crystalline arrays of adenovirus-like particles within the intranuclear inclusions. Additionally, the hemagglutinin gene of CDV and the CAdV-2 DNA polymerase gene were detected in the fennec fox; sequence analysis showed 100% identity with those of the vaccine strain viruses. To our knowledge, vaccine-induced CDV and CAdV-2 coinfections using molecular analysis have not been reported previously. Therefore, vaccine strains should be considered prior to CDV vaccination in nondomestic carnivores.
Keywords	Canine coronavirus ; Canine mastadenovirus A ; Canine morbillivirus ; DNA-directed DNA polymerase ; Protoparvovirus ; Vulpes zerda ; astrocytes ; bronchopneumonia ; cerebrum ; electron microscopy ; epithelium ; genes ; hemagglutinins ; immunohistochemistry ; mixed infection ; necrosis ; neurodegenerative diseases ; sequence analysis ; vaccination ; vaccines ; viruses ; canine adenovirus ; canine distemper virus ; fennec fox ; modified-live virus vaccine
Language	English
Dates of publication	2020-07
Size	p. 598-603.
Publishing place	SAGE Publications
Document type	Article ; Online
Note	NAL-AP-2-clean
ZDB-ID	287603-6
ISSN	1943-4936 ; 1040-6387
ISSN (online)	1943-4936
ISSN	1040-6387
DOI	10.1177/1040638720934809
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Molecular and histopathological features of Cryptosporidium ubiquitum infection in imported chinchillas Chinchilla lanigera in Japan.

Kubota, Rie / Matsubara, Katsuki / Tamukai, Kenichi / Ike, Kazunori / Tokiwa, Toshihiro

Parasitology international

2018 Volume 68, Issue 1, Page(s) 9–13

Abstract: Long-tailed chinchillas Chinchilla lanigera are popular rodent species kept both in households, where they are hand-raised as pets, and in zoological facilities. From January 2016 to February 2017, 13 juvenile chinchillas from five facilities in Japan ... ...

Abstract	Long-tailed chinchillas Chinchilla lanigera are popular rodent species kept both in households, where they are hand-raised as pets, and in zoological facilities. From January 2016 to February 2017, 13 juvenile chinchillas from five facilities in Japan were diagnosed with cryptosporidiosis at the animal hospital. Eight of the cases were fatal. All of the animals were imported from the Czech Republic by the same vendor. Histopathological and multilocus sequence analyses using 18S ribosomal RNA, actin, 70-kDa heat shock protein, and 60-kDa glycoprotein genes confirmed Cryptosporidium ubiquitum of subtype XIId as the etiological agent. Multilocus analysis demonstrated the presence of two new sequence types closely related to the C. ubiquitum Xlld strain isolated from a human in the USA. This study indicated that potentially zoonotic Cryptosporidium is widespread and may have caused a high number of deaths among imported juvenile chinchillas.
MeSH term(s)	Animals ; Animals, Domestic/parasitology ; Chinchilla/parasitology ; Communicable Diseases, Emerging/epidemiology ; Communicable Diseases, Emerging/parasitology ; Communicable Diseases, Imported/epidemiology ; Communicable Diseases, Imported/mortality ; Communicable Diseases, Imported/parasitology ; Cryptosporidiosis/epidemiology ; Cryptosporidiosis/mortality ; Cryptosporidiosis/pathology ; Cryptosporidiosis/transmission ; Cryptosporidium/genetics ; Cryptosporidium/isolation & purification ; Czech Republic/epidemiology ; DNA, Protozoan/genetics ; Feces/parasitology ; Genotype ; Japan/epidemiology ; Multilocus Sequence Typing ; Phylogeny ; RNA, Ribosomal, 18S/genetics ; Zoonoses/epidemiology ; Zoonoses/parasitology ; Zoonoses/transmission
Chemical Substances	DNA, Protozoan ; RNA, Ribosomal, 18S
Language	English
Publishing date	2018-09-19
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	1363151-2
ISSN	1873-0329 ; 1383-5769
ISSN (online)	1873-0329
ISSN	1383-5769
DOI	10.1016/j.parint.2018.09.002
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Article ; Online: Ranavirus in an outbreak of dermatophilosis in captive inland bearded dragons (Pogona vitticeps).

Tamukai, Kenichi / Tokiwa, Toshihiro / Kobayashi, Hideki / Une, Yumi

Veterinary dermatology

2016 Volume 27, Issue 2, Page(s) 99–105e28

Abstract: Background: Various pathogens cause skin diseases in lizards. An outbreak of skin disease occurred in a population of 100 inland bearded dragons at a breeding facility in Japan; 50 developed skin lesions and 15 mortalities were reported.: Hypothesis/ ... ...

Abstract	Background: Various pathogens cause skin diseases in lizards. An outbreak of skin disease occurred in a population of 100 inland bearded dragons at a breeding facility in Japan; 50 developed skin lesions and 15 mortalities were reported. Hypothesis/objectives: To identify the pathogens responsible for the skin lesions and to determine the cause of death. Animals: Eight specimens (three dead, two euthanized, three living) were randomly selected from a group of inland bearded dragons with skin lesions consisting of multifocal superficial dermatitis. Methods: Biopsy samples were taken from skin lesions and healthy skin of the live specimens. Postmortem examinations were performed on the dead and euthanized specimens. Skin samples were processed for microbiological culture, 16S ribosomal DNA (rDNA) sequencing for bacteria, ranavirus major capsid protein (MCP) gene sequencing and histopathological examination. Histopathological examinations were also performed on postmortem tissue samples. Results: Both Austwickia chelonae and ranavirus (DNA) were detected in the skin lesions. Pathological examination revealed no significant visceral lesions caused by A. chelonae or ranavirus infection in dead specimens. Conclusions and clinical importance: To the best of the authors' knowledge this is the first report of dermatophilosis due to A. chelonae infection in lizards and the first description of a concurrent infection with a ranavirus. The combined infection associated with the skin lesions may have been the primary cause of death. Co-infection with a ranavirus should be considered as a possible factor in cases of reptilian dermatophilosis.
MeSH term(s)	Animals ; Coinfection ; DNA Virus Infections/pathology ; DNA Virus Infections/veterinary ; DNA Virus Infections/virology ; Disease Outbreaks/veterinary ; Gram-Positive Bacterial Infections/microbiology ; Gram-Positive Bacterial Infections/pathology ; Gram-Positive Bacterial Infections/veterinary ; Lizards ; Ranavirus
Language	English
Publishing date	2016-04
Publishing country	England
Document type	Journal Article
ZDB-ID	2011122-8
ISSN	1365-3164 ; 0959-4493
ISSN (online)	1365-3164
ISSN	0959-4493
DOI	10.1111/vde.12288
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Article: Ranavirus in an outbreak of dermatophilosis in captive inland bearded dragons (Pogona vitticeps)

Tamukai, Kenichi / Hideki Kobayashi / Toshihiro Tokiwa / Yumi Une

Veterinary dermatology. 2016 Apr., v. 27, no. 2

2016

Abstract: BACKGROUND: Various pathogens cause skin diseases in lizards. An outbreak of skin disease occurred in a population of 100 inland bearded dragons at a breeding facility in Japan; 50 developed skin lesions and 15 mortalities were reported. HYPOTHESIS/ ... ...

Abstract	BACKGROUND: Various pathogens cause skin diseases in lizards. An outbreak of skin disease occurred in a population of 100 inland bearded dragons at a breeding facility in Japan; 50 developed skin lesions and 15 mortalities were reported. HYPOTHESIS/OBJECTIVES: To identify the pathogens responsible for the skin lesions and to determine the cause of death. ANIMALS: Eight specimens (three dead, two euthanized, three living) were randomly selected from a group of inland bearded dragons with skin lesions consisting of multifocal superficial dermatitis. METHODS: Biopsy samples were taken from skin lesions and healthy skin of the live specimens. Postmortem examinations were performed on the dead and euthanized specimens. Skin samples were processed for microbiological culture, 16S ribosomal DNA (rDNA) sequencing for bacteria, ranavirus major capsid protein (MCP) gene sequencing and histopathological examination. Histopathological examinations were also performed on postmortem tissue samples. RESULTS: Both Austwickia chelonae and ranavirus (DNA) were detected in the skin lesions. Pathological examination revealed no significant visceral lesions caused by A. chelonae or ranavirus infection in dead specimens. CONCLUSIONS AND CLINICAL IMPORTANCE: To the best of the authorsâ knowledge this is the first report of dermatophilosis due to A. chelonae infection in lizards and the first description of a concurrent infection with a ranavirus. The combined infection associated with the skin lesions may have been the primary cause of death. Coâinfection with a ranavirus should be considered as a possible factor in cases of reptilian dermatophilosis.
Keywords	bacteria ; biopsy ; breeding ; coat proteins ; death ; dermatitis ; histopathology ; lizards ; mixed infection ; mortality ; necropsy ; pathogens ; Pogona vitticeps ; Ranavirus ; ribosomal DNA ; sequence analysis ; skin lesions ; veterinary medicine ; Japan
Language	English
Dates of publication	2016-04
Size	p. 99-e28.
Publishing place	European Society of Veterinary Dermatology
Document type	Article
ZDB-ID	2011122-8
ISSN	1365-3164 ; 0959-4493
ISSN (online)	1365-3164
ISSN	0959-4493
DOI	10.1111/vde.12288
Database	NAL-Catalogue (AGRICOLA)

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Article: First report of fatal disseminated microsporidiosis in two inland bearded dragons

Shibasaki, Kojiro / Tokiwa, Toshihiro / Sukegawa, Akihiro / Kondo, Hirotaka / Tamukai, Kenichi / Haga, Yumiko / Ike, Kazunori

JMM case reports

2017 Volume 4, Issue 4, Page(s) e005089

Abstract: Introduction. ...

Abstract	Introduction.
Language	English
Publishing date	2017-04-12
Publishing country	England
Document type	Case Reports
ZDB-ID	2755673-6
ISSN	2053-3721
ISSN	2053-3721
DOI	10.1099/jmmcr.0.005089
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