2000
DOI: 10.1002/1521-4141(200007)30:7<2101::aid-immu2101>3.3.co;2-g
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The effect of TGF-β1 on immune responses of naïve versus memory CD4+ Th1/Th2 T cells

Abstract: The role of TGF-beta1 in the regulation of T cell responses has been perplexing, possibly because it is dependent on the type of T cell being regulated and its cytokine microenvironment. In the present study, we demonstrate that TGF-beta1 has a profound inhibitory effect on naive CD4+ T cell undergoing differentiation under defined neutral, Th1 and Th2 priming conditions. In addition, we show that if CD4+ T cells are primed in the presence of TGF-beta1, they exhibit reduced secondary anti-CD3/anti-CD28-induced… Show more

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Cited by 41 publications
(46 citation statements)
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“…This indicates that the type 1 response is opposed by TGF‐β rather than by a type 2 response during L. chagasi infection. The low levels of IL‐4 in IL‐12KO and in BALB/c mice in our prior studies 6, 7 are consistent with the fact that TGF‐β is able to suppress both type 1 and type 2 CD4 + cell development 14, 15, 29. Thus the propensity of L. chagasi to induce a type 3 immune response dominates over the type 2 response in IL‐12KO mice 20.…”
Section: Discussionsupporting
confidence: 81%
See 1 more Smart Citation
“…This indicates that the type 1 response is opposed by TGF‐β rather than by a type 2 response during L. chagasi infection. The low levels of IL‐4 in IL‐12KO and in BALB/c mice in our prior studies 6, 7 are consistent with the fact that TGF‐β is able to suppress both type 1 and type 2 CD4 + cell development 14, 15, 29. Thus the propensity of L. chagasi to induce a type 3 immune response dominates over the type 2 response in IL‐12KO mice 20.…”
Section: Discussionsupporting
confidence: 81%
“…Cytokines that inhibit type 1 responses include the type 2 cytokines (IL‐4, IL‐10, IL‐13), and the inhibitory cytokine TGF‐β 14. TGF‐β can inhibit both Th1 and Th2 cell development, and it has been shown to suppress cytokine production by type 1 but not type 2 memory cells 15. It is not known whether the propensity to elicit TGF‐β rather than a type 2 response is due to characteristics of the infecting species of Leishmania , or whether this is a unique response of BALB/c mice to L. chagasi infection.…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, induction of IL-10 in CD4 + CD45RA + T cells, stimulated with anti-CD3 and anti-CD46 was shown to be reduced after addition of IL-12 [22]. Our data are comparable with the previously mentioned study in murine T cells, in which resembling skewing conditions were used [9]. The inhibitory effect of anti-IL-12 on TGF-b-mediated IL-10 secretion may indicate that IL-12 signalling interferes with the SMAD4 mediated pathway.…”
Section: Discussionsupporting
confidence: 91%
“…We demonstrate that the IL-10 secretion measured in T cells under Th2 polarizing conditions is not enhanced after stimulation with TGF-b. This is comparable to what was shown previously in murine CD4 + T cells, indicating that Th2 polarizing conditions make cells less sensitive to the effects of TGF-b [9,19]. A study performed in a HT-2 cell line (producing IL-10 but not IL-4 or IL-5) demonstrated that TGF-b-induced SMAD3 interacts with GATA-3 to form a complex which can up-regulate IL-10 expression [20].…”
Section: Discussionsupporting
confidence: 87%
“…Additionally, CD4 + CD25 + foxp3 + Tregs were detected in the lymph nodes 10 days following SVF treatment. The differential regulation of T cell subsets by alteration of the cytokine repertoire within the local environment is integral to the resulting immune responses . Although considered pro‐inflammatory by production of IFN‐γ, the differentiation of Th1 cells can suppress Th17 cells .…”
Section: Discussionmentioning
confidence: 99%