MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS IDENTIFICATION WITH SPOLIGOTYPING METHOD IN PATIENTS ATTENDING TO MASIH DANESHVARI HOSPITAL

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AHMADI MOJTABA; FARNIA P.; TAJ ALDIN E.; TABARSI P.; BAGHAEI PARVANEH; MASJEDI M.R.; VELAYATI A.A.

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Journal: Journal of Advances in Medical and Biomedical Research Year:2009 | Volume:17 | Issue:67 Page(s): 23-32

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Title

MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS IDENTIFICATION WITH SPOLIGOTYPING METHOD IN PATIENTS ATTENDING TO MASIH DANESHVARI HOSPITAL

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Keywords

SPOLIGOTYPINGQ3

MYCOBACTERIUM TUBERCULOSISQ3

TB PATIENTSQ3

Abstract

Background and Objective: SPOLIGOTYPING is a method based on 36bp Direct Repeat (DR) chromosomal loci polymorphism which is connected to one or two 35-41 bp spacer sequences. There are 94 different intra DR spacer sequences which are identified so far and only 43 of them are used as usual. MYCOBACTERIUM TUBERCULOSIS complex strains can be identified based on lacking or having these sequences. Materials and Methods: SPOLIGOTYPING test was carried out on 238 TB smear positive patients. Primary separation of mycobacterium strains was done through Petrof 4% method and Lowenstein Jensen (LJ) media. Biochemical tests such as Niacin test/Catalase activity/Nitrate reduction were done in order to identify the strains. Drug sensitivity to INH (0.2Mg/ml)/ RIF (40Mg/ml)/ STM (10Mg/ml) and ETBl (2Mg/ml) identified by proportional method and according to that, the strains were divided into three groups: sensitive, multi drug resistance (MDR) and non MDR. Then DNA was extracted by CTAB method from the positive colonies. Sequences were amplified by PCR and after denaturizing, hybridization with Streptavidine peroxidase enzyme was performed by Line reverse blot method. Radiography was done after adding the Luminoscense and membrane onto the X-ray films.Results: Serotypes were divided into 9 groups (Beijing/ CAS1/ Haarlem / U/ T2/ T1/ EAI3/ EAI2 and CAS2). Most of the strains were from Haarlem (27%) and CAS1 (25%) groups. Two strains were also identified in this method that belonged to Mycobacterium bovis.Conclusion: SPOLIGOTYPING method is an easy, rapid and sensitive test in order to identify MYCOBACTERIUM TUBERCULOSIS complex strains.

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APA: Copy

AHMADI, MOJTABA, FARNIA, P., TAJ ALDIN, E., TABARSI, P., BAGHAEI, PARVANEH, MASJEDI, M.R., & VELAYATI, A.A.. (2009). MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS IDENTIFICATION WITH SPOLIGOTYPING METHOD IN PATIENTS ATTENDING TO MASIH DANESHVARI HOSPITAL. JOURNAL OF ADVANCES IN MEDICAL AND BIOMEDICAL RESEARCH, 17(67), 23-32. SID. https://sid.ir/paper/61489/en

Vancouver: Copy

AHMADI MOJTABA, FARNIA P., TAJ ALDIN E., TABARSI P., BAGHAEI PARVANEH, MASJEDI M.R., VELAYATI A.A.. MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS IDENTIFICATION WITH SPOLIGOTYPING METHOD IN PATIENTS ATTENDING TO MASIH DANESHVARI HOSPITAL. JOURNAL OF ADVANCES IN MEDICAL AND BIOMEDICAL RESEARCH[Internet]. 2009;17(67):23-32. Available from: https://sid.ir/paper/61489/en

IEEE: Copy

MOJTABA AHMADI, P. FARNIA, E. TAJ ALDIN, P. TABARSI, PARVANEH BAGHAEI, M.R. MASJEDI, and A.A. VELAYATI, “MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS IDENTIFICATION WITH SPOLIGOTYPING METHOD IN PATIENTS ATTENDING TO MASIH DANESHVARI HOSPITAL,” JOURNAL OF ADVANCES IN MEDICAL AND BIOMEDICAL RESEARCH, vol. 17, no. 67, pp. 23–32, 2009, [Online]. Available: https://sid.ir/paper/61489/en

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