P. raveneli'/> Vulpinic acid contributes to the cytotoxicity of <em>Pulveroboletus ravenelii</em> to human cancer cells by inducing apoptosis
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Vulpinic acid contributes to the cytotoxicity of Pulveroboletus ravenelii to human cancer cells by inducing apoptosis

机译:硫辛酸通过诱导细胞凋亡来促进乌鸦草对人癌细胞的细胞毒性

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Pulveroboletus ravenelii (Berk. et Curt.) Murr. (Boletaceae), commonly known as Ravenel's bolete, is an edible mushroom that is widely distributed in Korea, Japan, and China. P. ravenelii is used in traditional Chinese medicine and also to create color dyes. In this study, we explored the pharmacological activity of the fruiting bodies of P. ravenelii and found that their MeOH extracts showed cytotoxic activity in vitro against a variety of human cancer cells, including four lung adenocarcinoma cell lines (A549, NCI-H1264, NCI-H1299, and Calu-6), two pancreatic ductal adenocarcinoma cell lines (PANC-1 and MIA PaCa-2), and a hepatocellular carcinoma cell line (Hep G2), by inducing apoptosis. Based on the bioactivity-guided fractionation to identify the fraction with the highest cytotoxic activity, chemical investigation of the MeOH extract of the fruiting bodies of P. ravenelii led to the isolation of vulpinic acid (VA) (1) as the main component of the most cytotoxic fraction, the hexane-soluble fraction. Treatment with VA significantly reduced cell viability by inducing apoptotic cell death in all human cancer cell lines tested, with IC50 values ranging from 21.65 to 146.17 μM. These findings provide experimental evidence for a novel biological activity of P. ravenelii against human cancer cells. We also identified VA as the main constituent that contributes to the cytotoxic activity of P. ravenelii, thus raising the possibility of using P. ravenelii as a functional food as well as a source of lead compounds for the development of novel drugs for cancer prevention and management.
机译: Pulveroboletus ravenelii (Berk。et Curt。)Murr。 (牛肝菌科),俗称罗芙奥牛肝菌,是一种可食用的蘑菇,在韩国,日本和中国广泛分布。 P。 ravenelii 用于中药,还用于制造彩色染料。在这项研究中,我们探讨了 P子实体的药理活性。 ravenelii ,发现他们的MeOH提取物对多种人类癌细胞具有体外细胞毒性活性,包括四种肺腺癌细胞系(A549,NCI-H1264,NCI-H1299和Calu -6),两个胰腺导管腺癌细胞系(PANC-1和MIA PaCa-2)和一个肝细胞癌细胞系(Hep G2)通过诱导凋亡。基于生物活性指导的分级分离以鉴定具有最高细胞毒性活性的级分,对 P子实体的MeOH提取物进行化学研究。 ravenelii 导致分离出作为细胞毒性最大的部分(可溶于己烷的部分)的主要成分的硫代乙酸(VA)(1)。 VA处理可通过诱导所有测试的人类癌细胞系凋亡性细胞死亡而大大降低细胞活力,IC 50 值范围为21.65至146.17μM。这些发现为 P的新型生物活性提供了实验证据。 ravenelii 对抗人类癌细胞。我们还确定了VA是导致 P细胞毒性活性的主要成分。 ravenelii ,从而提高了使用 P的可能性。 ravenelii 作为功能性食品以及主要化合物的来源,用于开发预防和治疗癌症的新药。

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