Regulation of transforming growth factor‐β production by interleukin‐12

Regulation of transforming growth factor‐β production by interleukin‐12
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白介素-12 调节转化生长因子-β 的产生

DOI:
10.1002/eji.1830270524
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发表时间:
1997
影响因子:
5.4
通讯作者:
B. Kelsall
B. Kelsall
中科院分区:
医学3区
文献类型:
--
作者:
T. Marth;W. Strober;R. Seder;B. Kelsall

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在几种自身免疫性疾病和常规动物模型中,口服抗原给药后诱导外周耐受与转化生长因子-β(TGF-β)和辅助性T细胞2型(Th 2)细胞因子的产生相关。然而,调节TGF-β产生的因素及其与Th 2应答的关系尚未确定。我们证明,向喂食高剂量OVA的卵清蛋白(OVA)-T细胞受体(TCR)转基因小鼠全身给予白细胞介素(IL)-12抗体,随后进行全身性OVA激发,可显著增强外周T细胞产生TGF-β,但不增强IL-4。此外,我们在体外T细胞分化模型中证明,当与抗IL-12或抗干扰素-γ(IFN-γ)一起培养时,用OVA脉冲的树突状细胞(DC)刺激的幼稚(CD 4 +/Mel-14 hi)OVA-TCR-T细胞产生4至5倍的TGF-β。在这个体外系统中,IL-4不是T细胞产生TGF-β所必需的;然而,它似乎通过促进TGF-β产生细胞的生长来提高TGF-β的水平。我们的研究结果表明,IL-12和IFN-γ是体内和体外TGF-β产生的重要负调节因子,它们的调节可能有利于治疗自身免疫性疾病。
The induction of peripheral tolerance following oral antigen administration in several autoimmune disease and conventional animal models correlates with the production of transforming growth factor‐β (TGF‐β) and T helper type 2 (Th2) cytokines. The factors regulating TGF‐β production and its relation to the Th2 response, however, have not been defined. We demonstrate that the systemic administration of antibodies to interleukin (IL)‐12 to ovalbumin (OVA)‐T cell receptor (TCR) transgenic mice fed high doses of OVA, followed by systemic OVA challenge, substantially enhances TGF‐β, but not IL‐4 production by peripheral T cells. Furthermore, we demonstrate in an in vitro T cell differentiation model that naive (CD4+/Mel‐14hi) OVA‐TCR‐T cells stimulated with OVA‐pulsed dendritic cells (DC) produce four‐to fivefold higher amounts of TGF‐β when cultured with anti‐IL‐12 or anti‐interferon‐γ (IFN‐γ). In this in vitro system, IL‐4 was not required for TGF‐β production by T cells; however, it appeared to enhance levels of TGF‐β by promoting the growth of TGF‐β‐producing cells. Our findings demonstrate that IL‐12 and IFN‐γ are important negative regulators of TGF‐β production both in vivo and in vitro, and that their modulation may be of benefit for the treatment of autoimmune disorders.
DOI: 10.1073/pnas.89.16.7375
发表时间: 1992-08-15
影响因子: 11.1
作者:
THORBECKE, GJ;SHAH, R;PALLADINO, MA
通讯作者: PALLADINO, MA
DOI: 10.1126/science.7520605
发表时间: 1994-08-26
期刊: SCIENCE
影响因子: 56.9
作者:
CHEN, YH;KUCHROO, VK;WEINER, HL
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DOI: 10.1073/pnas.91.14.6688
发表时间: 1994-07-05
影响因子: 11.1
作者:
FRIEDMAN, A;WEINER, HL
通讯作者: WEINER, HL
髓磷脂碱性蛋白的口服耐受会在 SJL 小鼠派尔氏斑中诱导分泌调节性 TGF-β 的 T 细胞。
DOI: 10.1006/cimm.1994.1240
发表时间: 1994
影响因子: 4.3
作者:
Santos,LM;al-Sabbagh,A;Londono,A;Weiner,HL
通讯作者: Weiner,HL