Sigesbeckia K and L, two new diterpenoids from Sigesbeckia glabrescens with anti-inflammatory activity

Sigesbeckia K and L, two new diterpenoids from Sigesbeckia glabrescens with anti-inflammatory activity
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Sigesbeckia K 和 L,两种来自光豨莨草的新二萜类化合物,具有抗炎活性

DOI:
10.1080/14786419.2020.1871342
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发表时间:
2021-01
影响因子:
2.2
通讯作者:
AnHua Wang
AnHua Wang
中科院分区:
化学3区
文献类型:
--
作者:
GaoSheng Hu;XiaoXu Gao;DongDong Wang;GuoQing Long;JingMing Jia;AnHua Wang

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摘要 对光滑豨莶草 (Sigesbeckia glabrescens Makino) 进行的化学研究鉴定出四种化合物。根据光谱数据,它们被确定为对映吡玛烷型二萜类化合物及其类似物,其中有两种以前未描述的化合物:Sigesbeckia K (1) 和 Sigesbeckia L (2)。通过测试这些化合物对 LPS 诱导的 BV2 小胶质细胞 NO 产生的抑制作用来评估这些化合物的抗炎作用,与阳性对照米诺环素 (IC50 32.84μM) 相比,显示出潜在的抑制作用,IC50 值为 62.56μM。
Abstract A chemical investigation of Sigesbeckia glabrescens Makino identified four compounds. On the basis of spectroscopic data, they were determined to be ent-pimarane-type diterpenoids and their analogues, among which were two previously undescribed compounds, Sigesbeckia K (1) and Sigesbeckia L (2). The anti-inflammatory effects of these compounds were evaluated by testing their inhibition of LPS-induced NO production in BV2 microglial cells, which revealed potential inhibitory effects with IC50 value at 62.56 μM and compared with the positive control minocycline (IC50 32.84 μM).
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