Synthesis of novel tylophorine derivatives and evaluation of their anti-inflammatory activity.

Synthesis of novel tylophorine derivatives and evaluation of their anti-inflammatory activity.
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新型tylophorine衍生物的合成及其抗炎活性评价。

DOI:
10.1021/ml500255j
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发表时间:
2014-07
影响因子:
4.2
通讯作者:
Wang Q
Wang Q
中科院分区:
医学3区
文献类型:
--
作者:
Wang P;Yin Z;Li-Ling J;Wang Q

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我们之前已经证明DCB-3503,一种tylophorine类似物,在自身免疫性疾病的小鼠模型中具有抗炎特性。然而,其机制尚不清楚。在此,我们合成了34个DCB-3503衍生物,并研究了它们对T细胞分化和TNF-α产生的影响。6个衍生物(4、9、13、19、31和32)能显著促进Foxp3的表达。其中31和32的IC50均在500 μM左右。8种类似物(1、2、4、9、12、18、19和21)在Raw 264.7细胞和小鼠脾细胞中均表现出抗tnf -α的作用,其中18和19最显著。与DCB-3503相比,31和18在不同浓度下均表现出较好的活性和细胞存活率。综上所述,我们证明了34种新型霉啉衍生物的抗炎特性,并讨论了它们的构效关系,以探索它们对炎症性疾病的治疗潜力。
We have previously demonstrated that DCB-3503, a tylophorine analogue, has an anti-inflammatory property in murine models for autoimmune diseases. However, its mechanism remains unknown. Here, we have synthesized 34 derivatives of DCB-3503 and investigated their effects on T cells differentiation and TNF-α production. Six derivatives (4, 9, 13, 19, 31, and 32) could significantly promote the expression of Foxp3. Among these, the IC50 of 31 and 32 was about 500 μM. Eight analogues (1, 2, 4, 9, 12, 18, 19, and 21) showed anti-TNF-α effect in Raw 264.7 cells and murine splenocytes, of which 18 and 19 were most significant. Moreover, 31 and 18 showed a better activity and cell survival ratio when compared with DCB-3503 at various concentrations. In summary, we have demonstrated the anti-inflammatory characteristics of 34 novel tylophorine derivatives and discussed their structure-activity relationship in order to explore their therapeutic potentials for inflammatory diseases.
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