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J Ethnopharmacol:胃复春通过miR-26a-5p介导的失稳和MAPK信号通路的失活靶向KPNA2抑制胃癌细胞

2024-07-14 紫菀款冬 MedSci原创 发表于威斯康星

探讨胃复春(WFC)是否具有抑制胃癌细胞恶性的作用,并探讨其分子基础及相关的分子和细胞特征。

背景:胃癌(GC)是癌症相关死亡的主要原因,是全球医疗保健的一大挑战。尽管已经采取了预防胃癌的治疗策略,但未满足的临床需求仍然是胃癌患者持续存在的问题。

胃复春(WFC)是一种常用的治疗萎缩性胃炎和肠化生的中药,由红参、香茶菜、枳壳组成,具有健脾益气、活血解毒的功效。WFC可以通过调节与炎症、过度自身免疫、细胞应激和致病性再生相关的失调信号通路,以及通过抑制幽门螺杆菌(Hp)影响基因表达模式和重新平衡高度多样化的胃微生物生态系统来改善患者预后。迄今为止,其对胃癌(GC)的抗肿瘤作用及其作用机制尚不清楚。

研究目的:探讨WFC是否具有抑制胃癌细胞恶性的作用,并探讨其分子基础及相关的分子和细胞特征。

方法:用WFC处理胃癌细胞系和正常胃上皮细胞。采用CCK8法、caspase-3活性法、粘附法、microRNA数据库分析、转染法、RT-PCR法、Western Blotting法(检测cleaved caspase-3、cleaved PARP,、β-integrin、KPNA2、E-Cadherin、N-Cadherin、ERK1/2、p38、JNK、和GAPDH)、信号通路分析、体内GC模型(利用幽门螺杆菌和MNU作为C57BL/6小鼠胃癌的诱导剂)等方法探讨WFC作用于胃癌细胞的特征变化及分子机制。

结果:数据表明,WFC抑制胃癌的恶性细胞表型,这种抑制作用是通过下调致癌基因KPNA2的表达来介导的。此外,WFC通过miR-26a-5p介导的基因沉默和丝裂原活化蛋白激酶(MAPK)的失活磷酸化动力学下调KPNA2。动物模型进一步证实了WFC对胃癌细胞行为的抑制作用。

结论:WFC可能通过降低KPNA2水平对胃癌细胞的恶性有抑制作用。此外,WFC诱导的miR-26a-5p拯救和MAPK通路失活导致KPNA2表达下调。因此,该研究结果表明WFC是对抗GC的潜在治疗选择。

 

原始出处:

Ma L, Hu X, Zhang W, Qi D, Chen L, Yin M. Weifuchun suppresses the malignancy of gastric cancer cells by targeting KPNA2 through miR-26a-5p-mediated destabilization and the deactivation of the MAPK signaling pathway. J Ethnopharmacol. Published online July 9, 2024. doi:10.1016/j.jep.2024.118538

 

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    2024-07-14 1209e435m98(暂无昵称) 来自浙江省

    学习了,谢谢分享

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=2214827, encodeId=2092221482eba, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Sun Jul 14 10:48:20 CST 2024, time=2024-07-14, status=1, ipAttribution=浙江省), GetPortalCommentsPageByObjectIdResponse(id=2214823, encodeId=7d0d22148231b, content=学习了。好东西。, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c52a105407, createdName=check, createdTime=Sun Jul 14 10:20:56 CST 2024, time=2024-07-14, status=1, ipAttribution=河南省), GetPortalCommentsPageByObjectIdResponse(id=2214821, encodeId=e0c42214821d9, content=<a href='/topic/show?id=f9e2832202f' target=_blank style='color:#2F92EE;'>#胃癌#</a> <a href='/topic/show?id=675611660168' target=_blank style='color:#2F92EE;'>#MAPK信号#</a> <a href='/topic/show?id=20cc11660269' target=_blank style='color:#2F92EE;'>#胃复春#</a> <a href='/topic/show?id=f88711660328' target=_blank style='color:#2F92EE;'>#KPNA2#</a> <a href='/topic/show?id=6eb8116604d9' target=_blank style='color:#2F92EE;'>#miR-26a-5p#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=131, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=116603, encryptionId=f88711660328, topicName=KPNA2), TopicDto(id=116601, encryptionId=675611660168, topicName=MAPK信号), TopicDto(id=116604, encryptionId=6eb8116604d9, topicName=miR-26a-5p), TopicDto(id=116602, encryptionId=20cc11660269, topicName=胃复春), TopicDto(id=83220, encryptionId=f9e2832202f, topicName=胃癌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cade5395722, createdName=梅斯管理员, createdTime=Sun Jul 14 09:17:05 CST 2024, time=2024-07-14, status=1, ipAttribution=威斯康星), GetPortalCommentsPageByObjectIdResponse(id=2214846, encodeId=ad612214846b3, content=签到学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211111/81c0b64745c644319545ec26d7ef0b34/9ddb2864d5df4dd9bf4305e380bffc96.jpg, createdBy=c7835705079, createdName=屋顶瞄爱赏月, createdTime=Sun Jul 14 14:17:10 CST 2024, time=2024-07-14, status=1, ipAttribution=贵州省)]
    2024-07-14 check 来自河南省

    学习了。好东西。

    0

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    2024-07-14 屋顶瞄爱赏月 来自贵州省

    签到学习

    0

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