関: Clonorchis sinensis、Opisthorchis、Opisthorchis viverrini

WordNet

of or relating to cats; "feline fur"
any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws (同)felid

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ネコ科(属)の,猫の / 猫のような / ネコ科の動物(猫・トラ・ヒョウなど)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/07/11 17:11:08」(JST)

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Opisthorchis felineus, or cat liver fluke is a trematode parasite that infects the liver in mammals. It was first discovered in 1884 in a cat's liver by Sebastiano Rivolta of Italy. In 1891, Russian scientist K.N. Vinogradov found it in a human, and named the parasite a "Siberian liver fluke". In the 1930s, helminthologist Hans Vogel of Hamburg published an article describing the life cycle of Opisthorchis felineus.^[2]

Distribution

Distribution of Opisthorchis felineus include: Spain, Italy, Albania, Greece, France, Macedonia, Switzerland, Germany, Poland, Russia, Turkey, and Caucasus.^[3]

Life cycle

Life cycle of the cat liver fluke

The first intermediate hosts of the parasite are freshwater snails:

Bithynia inflata (synonym: Codiella inflata)^[4]^[3]
Bithynia troschelii^[4]
Bithynia leachii^[4]^[3]
Bithynia tentaculata^[3]

The second intermediate hosts are freshwater fish: Leuciscus idus, Tinca tinca, Abramis brama, white-eye bream Ballerus sapa, Barbus barbus, common carp Cyprinus carpio, Blicca bjoerkna, Leuciscus idus, Alburnus alburnus, Aspius aspius, and common rudd Scardinius erythropthalmus.^[3]

The definitive hosts are fish-eating mammals such as dogs, foxes, cats, rats, pigs, rabbits, seals, lions, wolverines, martens, polecats and humans.^[3]

Effect on human health

It is estimated that 1.5 million people in Russia are infected with the parasite. Inhabitants of Siberia acquire the infection by consuming raw, slightly salted and frozen fish.

Opisthorchiasis, the disease caused by Opisthorchis felineus, ranges in severity from asymptomatic infection to severe illness. Patient outcome is dependent on early detection and treatment.

Human cases of opisthorchiasis may affect the liver, pancreas, and gall bladder. If not treated in the early stages, opisthorchiasis may cause cirrhosis of the liver and increased risk of liver cancer, but may be asymptomatic in children.

Two weeks after flukes enter the body, the parasites infect the biliary tract. Symptoms of infection include fever, general felling of tiredness, skin rash, and gastrointestinal disturbances. Severe anemia and liver damage may also incapacitate the infected person for 1–2 months. Treatment of opisthorchiasis is generally with a single dose of praziquantel.

References

^ Blanchard, R. (1895). Séance du 26 Novembre 1895. Bulletin de la Société zoologique de France 20: 217. Text on biodiversitylibrary.org.
^ [1] Bernhard Nocht Institute for Tropical Medicine
^ ^a ^b ^c ^d ^e ^f Chai J. Y., Darwin Murrell K. & Lymbery A. J. (2005). "Fish-borne parasitic zoonoses: Status and issues". International Journal for Parasitology 35(11-12): 1233-1254. doi:10.1016/j.ijpara.2005.07.013.
^ ^a ^b ^c World Health Organization (1995). Control of Foodborne Trematode Infection. WHO Technical Report Series. 849. PDF part 1, PDF part 2. page 125-126.

External links

Armignacco O., Caterini L., Marucci G., Ferri F., Bernardini G., Natalini Raponi G., et al. (2008). "Human illnesses caused by Opisthorchis felineus flukes, Italy". Emerging Infectious Diseases [serial on the Internet]. 2008 Dec [date cited]. Available from http://www.cdc.gov/EID/content/14/12/1902.htm doi:10.3201/eid1412.080782, PDF

UpToDate Contents

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1. 肝吸虫：Clonorchis、Opisthorchi、およびMetorchis liver flukes clonorchis opisthorchis and metorchis
2. 肝吸虫：肝蛭症 liver flukes fascioliasis
3. 胆道寄生虫症の内視鏡診断およびマネージメント endoscopic diagnosis and management of biliary parasitosis
4. 再発性化膿性胆管炎 recurrent pyogenic cholangitis
5. 東南アジアへの旅行によって感染する可能性のある疾患 diseases potentially acquired by travel to southeast asia

English Journal

Discovery of intermediate hosts for two species of blood flukes Cardicola orientalis and Cardicola forsteri (Trematoda: Aporocotylidae) infecting Pacific bluefin tuna in Japan.

Shirakashi S1, Tani K2, Ishimaru K2, Shin SP2, Honryo T2, Uchida H3, Ogawa K4.
Parasitology international.Parasitol Int.2016 Apr;65(2):128-36. doi: 10.1016/j.parint.2015.11.003. Epub 2015 Nov 10.
Fish blood flukes (Aporocotylidae) are important pathogens of farmed finfish around the world. Among them, Cardicola spp. infecting farmed tuna are considered to be serious threats to tuna farming and have received tremendous attention. We conducted periodical samplings at a tuna farming site in Jap
PMID 26571413

Effects of fermentation time and low temperature during the production process of Thai pickled fish (pla-som) on the viability and infectivity of Opisthorchis viverrini metacercariae.

Onsurathum S1, Pinlaor P2, Haonon O1, Chaidee A1, Charoensuk L1, Intuyod K3, Boonmars T1, Laummaunwai P4, Pinlaor S5.
International journal of food microbiology.Int J Food Microbiol.2016 Feb 2;218:1-5. doi: 10.1016/j.ijfoodmicro.2015.11.001. Epub 2015 Nov 10.
Contamination of a popular fermented fish dish, pla-som, by Opisthorchis viverrini metacercariae (OVMC) is a possible cause of carcinogenic liver fluke infection in Thailand. Affected individuals are at risk of bile duct cancer, which is a major health problem for people in the Greater Mekong Subreg
PMID 26587967

Whole transcriptome profiling of adult and infective stages of the trematode Opisthorchis felineus.

Pomaznoy MY1, Logacheva MD2, Young ND3, Penin AA2, Ershov NI4, Katokhin AV5, Mordvinov VA4.
Parasitology international.Parasitol Int.2016 Feb;65(1):12-9. doi: 10.1016/j.parint.2015.09.002. Epub 2015 Sep 9.
Opisthorchis felineus, the trematode belonging to the family Opisthorchiidae, is a causative agent of the infection called opisthorchiasis or liver fluke infection. Being a close relative of Opisthorchis viverrini and Clonorchis sinensis (oriental liver flukes) it is encountered in northern Eurasia,
PMID 26363139

Japanese Journal

The complete mitochondrial genomes of the liver flukes Opisthorchis felineus and Clonorchis sinensis (Trematoda)

Parasitology international : official journal of the Japanese Society of Parasitology 59(1), 100-103, 2010-03-01
NAID 10029823470

Opisthorchis felineusのcercariaの焔状細胞型式(flame cell pattern)とFam.Opisthorchiidaeのその一般式について

寄生虫学雑誌 14(2), 192-194, 1965-04
NAID 40017623072

吸蟲類ノ卵子ニ於ケル外表的一特徴ニ就テ

岡山医学会雑誌 47(6), 1543-1547, 1935-06-30
NAID 120002970736

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リンク元	「Opisthorchis viverrini」「ネコ肝吸虫」
関連記事	「Opisthorchis」「feline」

「Opisthorchis viverrini」

Opisthorchis felineus
Scientific classification
Kingdom:	Animalia
Phylum:	Platyhelminthes
Class:	Trematoda
Subclass:	Digenea
Order:	Plagiorchiida
Suborder:	Opisthorchiata
Superfamily:	Opisthorchioidea
Family:	Opisthorchiidae
Genus:	Opisthorchis
Species:	O. felineus
Binomial name
	Opisthorchis felineus; (Rivolta, 1884) Blanchard, 1895