STUDY THE EFFECT OF CELL-TO-CELL CONTACT OF NAIVE T CELLS AND BCG STIMULATED FIBROBLASTS ON REGULATORY T CELL INDUCTION

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JALALI SHIRAZI FATEMEH; ZAVARAN HOSSEINI AHMAD; SOUDI SARA; NOUJEDEHI SHAHRZAD

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Journal: Research in Medicine Year:2015 | Volume:39 | Issue:4 Page(s): 169-176

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Title

STUDY THE EFFECT OF CELL-TO-CELL CONTACT OF NAIVE T CELLS AND BCG STIMULATED FIBROBLASTS ON REGULATORY T CELL INDUCTION

Author(s)

JALALI SHIRAZI FATEMEH | ZAVARAN HOSSEINI AHMAD | SOUDI SARA | NOUJEDEHI SHAHRZAD | Issue Writer Certificate

Keywords

FIBROBLASTQ2

REGULATORY T-CELLQ2

BCGQ3

Abstract

Background: Lymph node stromal FIBROBLASTs are interconnected with TCD+4 cells and affect their phenotype and function. Understanding the nature of these interactions under unusual conditions like infections will help to their application in control and regulation of immune responses.Materials and methods: Lymph node FIBROBLASTs were affected in BCG primed immune environment by both in-vitro and in vivo method. FIBROBLASTs isolated through enzymatic digestion and surface markers and co-cultured with spleen isolated naive T cells for -72 hours in a cell-to-cell contact manner. Then naive T cells were removed and cultured -72hours more and assessed for regulatory T cell marker expression and IL4-, TGF-b1, IL10- and IFN-g cytokine production.Results: Results showed that in in-vivo stimulation method, more regulatory T cells was induced by BCG stimulated FIBROBLASTs compared to non-stimulated FIBROBLASTs. In this method, IFN-g cytokine production was reduced and IL10- and TGF-b1 regulatory cytokine production was increased. In contrast, in invitro stimulation method, regulatory T cell induction by BCG stimulated FIBROBLASTs was significantly less than non-stimulated ones. In addition, both IL10- and IFN-g production was increased that indicate induction of IFN-g producing T-cells.Conclusion: Present study shows that FIBROBLASTs affect REGULATORY T-CELL induction and T-cell function. The result of this effect is dependent to environment. In this study, FIBROBLASTs were isolated from two different BCG stimulated immune environment. They induced more regulatory responses in in-vivo condition and reduced regulatory responses in in-vitro environment. This result demonstrates different FIBROBLAST behavior at different phases of infection.

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APA: Copy

JALALI SHIRAZI, FATEMEH, ZAVARAN HOSSEINI, AHMAD, SOUDI, SARA, & NOUJEDEHI, SHAHRZAD. (2015). STUDY THE EFFECT OF CELL-TO-CELL CONTACT OF NAIVE T CELLS AND BCG STIMULATED FIBROBLASTS ON REGULATORY T CELL INDUCTION. PAJOUHESH DAR PEZESHKI, 39(4), 169-176. SID. https://sid.ir/paper/42211/en

Vancouver: Copy

JALALI SHIRAZI FATEMEH, ZAVARAN HOSSEINI AHMAD, SOUDI SARA, NOUJEDEHI SHAHRZAD. STUDY THE EFFECT OF CELL-TO-CELL CONTACT OF NAIVE T CELLS AND BCG STIMULATED FIBROBLASTS ON REGULATORY T CELL INDUCTION. PAJOUHESH DAR PEZESHKI[Internet]. 2015;39(4):169-176. Available from: https://sid.ir/paper/42211/en

IEEE: Copy

FATEMEH JALALI SHIRAZI, AHMAD ZAVARAN HOSSEINI, SARA SOUDI, and SHAHRZAD NOUJEDEHI, “STUDY THE EFFECT OF CELL-TO-CELL CONTACT OF NAIVE T CELLS AND BCG STIMULATED FIBROBLASTS ON REGULATORY T CELL INDUCTION,” PAJOUHESH DAR PEZESHKI, vol. 39, no. 4, pp. 169–176, 2015, [Online]. Available: https://sid.ir/paper/42211/en

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