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Volume 3, Issue 2 (May 2016)                   IJML 2016, 3(2): 126-133 | Back to browse issues page

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Monazah A, Zeinoddini M, Saeeidinia A. RT-PCR Detection of Coxsackievirus B3: A Viral Myocarditis. IJML. 2016; 3 (2) :126-133
URL: http://ijml.ssu.ac.ir/article-1-113-en.html
Department of Bioscience and Biotechnology, Malek Ashtar University of Technology, Tehran, Iran.
Abstract:   (2117 Views)

Backgrounds and Aims: Coxsakievirus B3 (CVB3), one of the six Coxsakievirus B serotypes, is a member of the Enterovirus genus within the Picornaviridae family. CVB3 is an important pathogen of viral myocarditis, which accounts for more than 50% of viral myocarditis cases. The genome of CVB3, like that of other Entroviruses, is a single-stranded, sense, polyadenylated RNA molecule with 7400 nucleotides in length and a single open reading frame (ORF), flanked by 5΄ and 3΄ non-translated regions. The capsids of coxcakieviruses are composed of the four structural proteins: viral protein-1 (VP1), VP2, VP3, and VP4. In the present study, a new set of primers were designed based on the VP1 for RT-PCR detection of CVB3.

Materials and Methods: Total RNA was extracted from CVB3-infected HeLa cell line and cDNA was synthesized using random primers. Then, PCR was carried out by specific primers and the PCR product analysis was performed using 1% agarose gel electrophoresis. Moreover, the sensitivity and specificity of this method were determined using serial dilution of CVB3 cDNA and three genuses of entroviruses, respectively.

Results: RT-PCR assay revealed a 234 bp specific amplified fragment. The sensitivity of this test was determined 5.72 fg/µl cDNA. On the other hand, the specificity was successful in comparison with coxsackievirus A16, Echovirus 36 and Rhinovirus.

Conclusions: The RT-PCR is a highly sensitive and rapid technique for detecting CVB3 infection. Moreover, this method can be used as an easy diagnostic test in regard with CVB3 detection in the clinical laboratories.

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Type of Study: Research | Subject: Virology
Received: 2016/06/29 | Accepted: 2016/06/29 | Published: 2016/06/29

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