Molecular identification of species of<i>Taenia</i>causing bovine cysticercosis in Ethiopia

Hailemariam, Zerihun; Nakao, Minoru; Menkir, Sissay; Lavikainen, Antti; Iwaki, Toru; Yanagida, Tetsuya; Okamoto, Masanori; Itō, Akira

doi:10.1017/s0022149x13000138

Cited by 10 publications

(11 citation statements)

References 22 publications

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“…These reports from Ethiopia are below the 30–60% suggested in developing countries ( Minozzo et al, 2002 ). However, Hailemariam et al (2014) confirmed 92.7% of 41 isolates as bovine cysticercosis using polymerase chain reaction (PCR) method. In Ethiopia, the rural communities mainly raise cattle under extensive husbandry practices.…”

Section: Spatiotemporal Distribution Of Bovine Cysticercosis In Ethiomentioning

confidence: 99%

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Spatiotemporal distribution and economic loss associated with bovine cysticercosis and human taeniasis in Ethiopia

Hiko

Seifu

2019

Parasite Epidemiology and Control

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A metacestode stage (bovine cysticercosis) and adult stage Taenia saginata, accounted for zoonotic and economic losses from organ contamination and treatment cost. The objective of this paper is to assess the spatiotemporal distribution and economic loss from bovine cysticercosis and human taeniasis with treatment approach in different parts of Ethiopia. All available published research articles from Ethiopia on the disease were collected. The data were assessed using the current regional administrative, the locality and chronology of the reports for prevalence and economic loss with treatment trend. Prevalence ranging from 1.9% at Addis Ababa City to as high as of 26.3% Hawasa-SNNPR using postmortem examination. However, one study confirmed 92.7% of 41 isolates as bovine cysticercosis using polymerase chain reaction (PCR) method. Teaniasis was ranged from 7.8% in Modjo-Oromia to as high as 89.4% in Addis Ababa City. Except for 17.9% at Addis Ababa City, 29.0% at Mekele-Tigray and 19.0% at Halaba Kulito –SNNPR teaniasis in Ethiopia were greater than 30% over 2001–2018 years. Questionnaire survey and retrospective data were the major tools used for teaniasis reporting either pharmaceutical and/or traditional (herbs) medicines were used for teaniasis treatments. Niclosamide, mebendazole and praziquantel were pharmaceutical teaniacidal drugs used in Ethiopia until the years of 2009, uses of albendazole begins from 2011 to date (2018 year). Hagenica abyssinia “Kosso/Heto” flowers is still widely used in Ethiopia in that it contains Kosso-toxin, closely related to folic acid, are responsible for some cases of hepatic carcinoma and blindness. Only few data (reports) were available on spatiotemporal economic loss associated with bovine cysticercosis and Taenia saginata in Ethiopia showing an overall 4,052,278.16 ETB (212,202.76 USD) from five reports. Highest economic loss (88,500.00 USD) was registered at Yirgalem-SNNPR [2005–2009]. Study at Kombolcha-Amhara region during 2016 accounted 1,841,311.00ETB (73,652.44 USD) from C. bovis and teaniasis treatment cost. Total cost for the used pharmaceutical drugs accounted 921,112.00ETB over 2005–2016. The maximum drug expenditure was reported during the year 2013. Thus, bovine cysticercosis and Taenia saginata in Ethiopia indicating the health and economic challenges. It needs to Taenia saginata cycle interruption via stopping human open defecation with assessing the dynamics of the disease in the country.

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Section: Spatiotemporal Distribution Of Bovine Cysticercosis In Ethiomentioning

confidence: 99%

“…Except for Nigatu (2004) whose used detailed postmortem (PME) with Serology and Hailemariam et al (2014) whose used PCR, almost all investigations in Ethiopia were based on detailed PME.…”

Section: Spatiotemporal Distribution Of Bovine Cysticercosis In Ethiomentioning

confidence: 99%

Spatiotemporal distribution and economic loss associated with bovine cysticercosis and human taeniasis in Ethiopia

Hiko

Seifu

2019

Parasite Epidemiology and Control

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“…CO1 is a universally accepted marker for the study of genetic variation and evolutionary biology of helminth parasites (Le et al 2000). Intraspecific variation in T. saginata has been investigated in several studies (Hailemariam et al 2013;Okamoto et al 2010), however, more studies using larger sample size are required to improve our understanding on the significance of genetic variation within this important taeniid species.…”

Section: Discussionmentioning

confidence: 99%

“…The complete mitochondrial genome of T. saginata has been determined in 2007 (Jeon et al 2007). Genetic characterization of T. saginata has been carried out in Ethiopia, Indonesia, and Thailand (Hailemariam et al 2013;Okamoto et al 2010). Molecular characterization in Iranian isolates of T. saginata has not been demonstrated so far.…”

Section: Introductionmentioning

confidence: 99%

Genetic variability of Taenia saginata inferred from mitochondrial DNA sequences

et al. 2015

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Taenia saginata is an important tapeworm, infecting humans in many parts of the world. The present study was undertaken to identify inter- and intraspecific variation of T. saginata isolated from cattle in different parts of Iran using two mitochondrial CO1 and 12S rRNA genes. Up to 105 bovine specimens of T. saginata were collected from 20 slaughterhouses in three provinces of Iran. DNA were extracted from the metacestode Cysticercus bovis. After PCR amplification, sequencing of CO1 and 12S rRNA genes were carried out and two phylogenetic analyses of the sequence data were generated by Bayesian inference on CO1 and 12S rRNA sequences. Sequence analyses of CO1 and 12S rRNA genes showed 11 and 29 representative profiles respectively. The level of pairwise nucleotide variation between individual haplotypes of CO1 gene was 0.3-2.4% while the overall nucleotide variation among all 11 haplotypes was 4.6%. For 12S rRNA sequence data, level of pairwise nucleotide variation was 0.2-2.5% and the overall nucleotide variation was determined as 5.8% among 29 haplotypes of 12S rRNA gene. Considerable genetic diversity was found in both mitochondrial genes particularly in 12S rRNA gene.

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“…Major zoonotic Taenia species based on literatures (Pawlowski and Schultz, 1972;Euzeby, 1974;Kamegai and Ishikara, 1983;Hailemaniam et al, 2014;.…”

Section: Tablementioning

confidence: 99%

Recent advances and perspectives in molecular epidemiology of Taenia solium cysticercosis

Itō

Yanagida

Nakao

2016

Infection, Genetics and Evolution

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Molecular identification of species ofTaeniacausing bovine cysticercosis in Ethiopia

Cited by 10 publications

References 22 publications

Spatiotemporal distribution and economic loss associated with bovine cysticercosis and human taeniasis in Ethiopia

Spatiotemporal distribution and economic loss associated with bovine cysticercosis and human taeniasis in Ethiopia

Genetic variability of Taenia saginata inferred from mitochondrial DNA sequences

Recent advances and perspectives in molecular epidemiology of Taenia solium cysticercosis

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