Paper Information

Journal:   AVICENNA JOURNAL OF CLINICAL MEDICINE (SCIENTIFIC JOURNAL OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES)   Summer 2004 , Volume 11 , Number 2 (SN 32); Page(s) 10 To 14.
 
Paper: 

STUDY THE THREE EXTRACTION METHODS FOR HBV DNA TO USE IN PCR

 
 
Author(s):  SHEYKH NASRIN*, HAJIA M., MOHAMMAD KHANI A., KOURKI MASOUD
 
* Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences & Health Services, Hamadan, Iran
 
Abstract: 

Diagnosis of Hepatitis B is important because of the its high prevalence. Recently PCR method, has found greater interest among different diagnostic methods. Several reports emphasis on some false negative results in those laboratories using PCR. The aim of this study was to compare three different procedures for HBV DNA extraction.
A total 30 serum samples received from Shariati hospital. Sera was taken from patients having chronic Hepatitis with HBs antigen positive and HBe antigen negative. The sensitivity of guanidium hydrochloride method for extracting the HBV DNA from serum were evaluated and compared with phenol–chloroform and boiling methods. Diagnostic PCR kit was obtained from Cynagene contained taq polymerase, reaction mixture, dNTP, and buffer for reaction. A 353 bp product were amplified by amplification program provided in used PCR protocol.
The comparison of results indicated that procedure was successful for amplification of the designed products from Hepatitis B in sera. Number of positive results were 16, 19, 23 and number of negative result were 14, 11, 7 for the boiling, phenol-chloroform and guanidium-hydrochloride extraction methods respectively.
PCR method is the fastest diagnosis method and the most accurate procedure to identify Hepatitis B. Guanidium hydrochloride method was the most successful procedure studied in this survey for viruses.

 
Keyword(s): HEPATITIS B, NUCLEIC ACID, POLYMERASE CHAIN REACTION
 
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