EVALUATION OF HTLV-1 ACTIVITY IN HAM/TSP PATIENTS USING PROVIRAL LOAD AND TAX MRNA EXPRESSION AFTER IN VITRO LYMPHOCYTE ACTIVATION

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YARI ATEFEH; REZAEE SEYYED ABDOLRAHIM; VALIZADEH NARGES; RAJAEE TARANEH; JAZAYERI SEYYED MOHAMMAD; SOLTANI MOJDEH; NOROUZI MEHDI

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Journal: Iranian Journal of Basic Medical Sciences Year:2014 | Volume:17 | Issue:7 Page(s): 531-536

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Title

EVALUATION OF HTLV-1 ACTIVITY IN HAM/TSP PATIENTS USING PROVIRAL LOAD AND TAX MRNA EXPRESSION AFTER IN VITRO LYMPHOCYTE ACTIVATION

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Keywords

GENE EXPRESSION

HAM/TSP

HTLV-1

PROVIRAL LOAD

TAX MRNA

Abstract

Objective(s): HTLV-1 is the first human retrovirus that has been recognized and is associated with HAM/TSP and ATLL. Studies have shown that less than five percent of HTLV-1 infected carriers develop HAM/TSP or ATLL and about ninety-five percent remain asymptomatic. Therefore, the PROVIRAL LOAD with Tax may affect cellular genes such as cytokines and oncogenes, as well as involve in pathogenicity.Materials and Methods: Thirty HAM/TSP patients, thirty HTLV-1 healthy carriers, and MT-2 cell line were evaluated for HTLV-1 activity. PBMCs were isolated and activated using PMA and ionomycine. Real-time PCR and TaqMan methods were performed using specific primers and fluorescence probes for Tax expression and PROVIRAL LOAD assessment. Β2microglobulin (b2m) and albumin were used as controls in Tax expression and in PROVIRAL LOAD, respectively.Results: An insignificant increase in Tax expression was observed in rest PBMCs of HAM/TSP patients compared to healthy carriers. However, after lymphocyte activation there was a significant increase in Tax expression in HAM/TSP patients (P=0.042). The PROVIRAL LOAD in patients was significantly higher than in carriers. Moreover, there was a significant correlation between TAX MRNA expression in activated PBMCs and PROVIRAL LOAD (R=0.37, P=0.012).Conclusion: Although PROVIRAL LOAD had been addressed as a valuable index for monitoring HTLV-1 infected subjects, the results of this study demonstrated that Tax expression in activated PBMCs along with PROVIRAL LOAD assessment in HAM/TSP patients are a more reliable factor for determining the prognosis and monitoring healthy carriers and HAM/TSP patients.

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APA: Copy

YARI, ATEFEH, REZAEE, SEYYED ABDOLRAHIM, VALIZADEH, NARGES, RAJAEE, TARANEH, JAZAYERI, SEYYED MOHAMMAD, SOLTANI, MOJDEH, & NOROUZI, MEHDI. (2014). EVALUATION OF HTLV-1 ACTIVITY IN HAM/TSP PATIENTS USING PROVIRAL LOAD AND TAX MRNA EXPRESSION AFTER IN VITRO LYMPHOCYTE ACTIVATION. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 17(7), 531-536. SID. https://sid.ir/paper/629664/en

Vancouver: Copy

YARI ATEFEH, REZAEE SEYYED ABDOLRAHIM, VALIZADEH NARGES, RAJAEE TARANEH, JAZAYERI SEYYED MOHAMMAD, SOLTANI MOJDEH, NOROUZI MEHDI. EVALUATION OF HTLV-1 ACTIVITY IN HAM/TSP PATIENTS USING PROVIRAL LOAD AND TAX MRNA EXPRESSION AFTER IN VITRO LYMPHOCYTE ACTIVATION. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2014;17(7):531-536. Available from: https://sid.ir/paper/629664/en

IEEE: Copy

ATEFEH YARI, SEYYED ABDOLRAHIM REZAEE, NARGES VALIZADEH, TARANEH RAJAEE, SEYYED MOHAMMAD JAZAYERI, MOJDEH SOLTANI, and MEHDI NOROUZI, “EVALUATION OF HTLV-1 ACTIVITY IN HAM/TSP PATIENTS USING PROVIRAL LOAD AND TAX MRNA EXPRESSION AFTER IN VITRO LYMPHOCYTE ACTIVATION,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 17, no. 7, pp. 531–536, 2014, [Online]. Available: https://sid.ir/paper/629664/en

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