Marliolide inhibits skin carcinogenesis by activating NRF2/ARE to induce heme oxygenase-1
作者:June Lee、Karabasappa Mailar、Ok-Kyung Yoo、Won Jun Choi、Young-Sam Keum
DOI:10.1016/j.ejmech.2018.02.068
日期:2018.4
catalyzes the enzymatic degradation of heme to produce three anti-oxidant molecules: carbon monoxide (CO), ferrous ion (Fe2+), and biliverdin. Induction of HO-1 is currently considered as a feasible strategy to treat oxidative stress-related diseases. In the present study, we identified marliolide as a novel inducer of HO-1 in human normal keratinocyte HaCaT cells. Mechanism-based studies demonstrated
血红素加氧酶-1(HO-1)催化血红素的酶促降解,产生三种抗氧化剂分子:一氧化碳(CO),亚铁离子(Fe 2+)和biliverdin。HO-1的诱导目前被认为是治疗氧化应激相关疾病的可行策略。在本研究中,我们确定了马里利利德是人正常角质形成细胞HaCaT细胞中HO-1的新型诱导剂。基于机理的研究表明,马里内酯对HO-1的诱导是通过马里内利德与KEAP1的直接结合,通过激活NRF2 / ARE来实现的。构效关系揭示了对HO-1的诱导至关重要的马里里利德的化学部分,这为迈克尔反应作为一种潜在的作用机理提供了支持。最后,我们观察到马里立内酯在DMBA / TPA诱导的小鼠皮肤癌变模型中显着抑制了乳头状瘤的形成,并且该事件与体内降低8-OH-G和4-HNE的形成密切相关。在一起,我们的研究提供了第一个证据,证明马里利内酯可能有效治疗与氧化应激相关的皮肤疾病。