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Volume 4, Issue 1 And 2 (5-2017)
vacres 2017, 4(1 And 2): 23-28 |
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Naziri H, Abdoli A, Tahmtan A, Motevalli F, Yavarian J, Khateri M, et al . Design and construction of Beclin1-expressing plasmid as an autophagy inducing system: a novel strategy for enhancing the potency of DNA vaccines. vacres 2017; 4 (1 and 2) :23-28
URL: http://vacres.pasteur.ac.ir/article-1-104-en.html
URL: http://vacres.pasteur.ac.ir/article-1-104-en.html
H Naziri 
, A Abdoli , A Tahmtan , F Motevalli , J Yavarian , M Khateri , MR Amiran , MR Aghasadeghi *
, A Abdoli , A Tahmtan , F Motevalli , J Yavarian , M Khateri , MR Amiran , MR Aghasadeghi *
Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran.
Abstract: (6944 Views)
Introduction: Autophagy is a complicated process which is involved in many biological events such as antigen presentation by immune cells. Beclin1, as a key component of autophagic machinery, plays the main role in the induction and initiation of this process. In the present study, we hypothesized that overexpression of Beclin1 could be useful in autophagy induction as an immunostimulatory strategy for improving the efficiency of DNA vaccines. Methods: Beclin1 gene was cloned into pVITRO2 eukaryotic expression vector and was confirmed by agarose gel electrophoresis. Beclin1 expression was evaluated by Real-Time RT-PCR and Western blotting. The autophagy induction by pVITRO2 encoding Beclin1 in HEK293 cells was evaluated through detection of the expression levels of LC3II as a marker for autophagy induction by Western blotting. Results: Beclin1 expression by the constructed plasmid was detected in HEK293 cells. The pVITRO2 encoding Beclin1 showed autophagy enhancement as compared to the control condition. Our data showed significant increase in the expression of LC3II protein following Beclin1 transfection (P ˂0.05 or 0.01). Conclusion: Our results support a novel strategy for autophagy induction via up-regulation of Beclin1 expression. This could be useful for improvement of DNA vaccines through enhancing their antigen presentation.
Type of Study: Original article |
Received: 2017/12/12
Received: 2017/12/12
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.