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:: Volume 8, Issue 2 (summer 2010) ::
jmj 2010, 8(2): 1-7 Back to browse issues page
The efficacy of PCR for early diagnosis and detection of asymptomatic cases of visceral leishmaniasis in human and dog
Mehdi Fakhar , MohammadHossin Motazedian , Qasem Asgari , Mohsen Kalantari , GolamReza Hatam , MohsenAli Akbarpoor , MohamadAli Gharachahi
Abstract:   (1554 Views)

Abstract

Introduction:

This study was conducted to detect asymptomatic cases of visceral leishmaniasis in human and dog, using PCR and serology methods in Darab, Fars Province.

Material and Methods:

In this descriptive cross-sectional survey, blood samples were randomly collected from all children aged 10 years old; 10% of the adults and 20% of the dog owners were investigated. To determine the prevalence of infection rate of VL, direct agglutination tests (DAT) and PCR-based assays were applied. In addition, to identify the species of the parasite, the species-specific PCR on blood samples was used.

Results:

Of the 376 subjects investigated, 355 were children 10 years old and 21 subjects were adults. Overall, 5 (1.33%) subjects (2 males and 3 females) were found seropositive; they were aged 2-5 years. Of 23 dog samples, one case (4.3%) showed specific Leishmania antibodies equal to 1: 320 titer. Also, overall, 32 (8.5%) subjects and five dogs (21.7%) were found PCR-positive in the Leishmania KDNA- specific PCR and L.infantum was detected in all the samples.

Conclusion:

The results showed that PCR on blood with RV1 and RV2 primers is a valuable method for early diagnosis of VL in human and detection of asymptomatic cases especially in endemic regions.

Keywords: Visceral leishmaniasis, Human Infection, Canine Infection, DAT, PCR
Full-Text [PDF 241 kb]   (426 Downloads)    
Type of Study: Research | Subject: ect
Received: 2016/05/28 | Accepted: 2016/05/28 | Published: 2016/05/28
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Fakhar M, Motazedian M, Asgari Q, Kalantari M, Hatam G, Akbarpoor M et al . The efficacy of PCR for early diagnosis and detection of asymptomatic cases of visceral leishmaniasis in human and dog. jmj. 2010; 8 (2) :1-7
URL: http://jmj.jums.ac.ir/article-1-727-en.html


Volume 8, Issue 2 (summer 2010) Back to browse issues page
فصلنامه دانشگاه علوم پزشکی جهرم Journal of Jahrom University of Medical Sciences
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