lbk60ox 发表于 2024-6-24 11:41:58

最新!浙江大学医学院附庸第1医院发掘癌症潜在预测性生物标志物


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q6.itc.cn/q_70/images03/20240426/9c450b3188824aef861d14b9d668d188.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">作者:Rainbow</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">导读:</strong><strong style="color: blue;">R环是一种<span style="color: black;">平常</span>的三链核酸结构,<span style="color: black;">包含</span>DNA-RNA杂交和置换的单链DNA,在转录过程中经常形成,可能归因于基因组稳定性和基因表达调控。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4月24日,浙江大学医学院<span style="color: black;">附庸</span><span style="color: black;">第1</span>医院<span style="color: black;">科研</span>团队在期刊《Molecular Cancer》上在线<span style="color: black;">发布</span>题为“Co-tranional R-loops-mediated epigenetic regulation drives growth retardation and docetaxel chemosensitivity enhancement in advanced prostate cancer”的<span style="color: black;">科研</span>论文,<span style="color: black;">科研</span>人员证明了IGF2BP可以以m6A依赖的方式调节R环代谢。在细胞核中,IGF2BP蛋白更倾向于结合甲基化DNA:RNA杂交体而不是ssRNA。<span style="color: black;">另外</span>,KH结构域<span style="color: black;">针对</span>IGF2BP和R环的结合至关<span style="color: black;">要紧</span>。<span style="color: black;">另外</span>,RBM15还负责R环的m6A修饰。<strong style="color: blue;">更<span style="color: black;">要紧</span>的是,<span style="color: black;">科研</span><span style="color: black;">供给</span>了一种新的RBM15/IGF2BPs/DNMT1跨组学调控轴,<span style="color: black;">暗示</span>在前列腺癌中RNA m6A甲基化和DNA甲基化之间存在新的串扰。<span style="color: black;">同期</span>,<span style="color: black;">做为</span>IGF2BPs的<span style="color: black;">一起</span>靶点,SEMA3F与PCa<span style="color: black;">病人</span>的<span style="color: black;">存活</span>率<span style="color: black;">关联</span>,这<span style="color: black;">显示</span>它可能是一种有前景的生物标志物,<span style="color: black;">能够</span>预测<span style="color: black;">将来</span>患前列腺癌的<span style="color: black;">危害</span>。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://q7.itc.cn/q_70/images03/20240426/af4ec5365eee4a2c9dd419d0ddd597e2.png" style="width: 50%; margin-bottom: 20px;"></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">https://molecular-cancer.biomedcentral.com/articles/10.1186/s12943-024-01994-0</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">科研</span>背景</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">01</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">R环是一种<span style="color: black;">平常</span>的三链核酸结构,<span style="color: black;">包含</span>DNA-RNA杂交和置换的单链DNA,在转录过程中经常形成,可能归因于基因组稳定性和基因表达调控。<span style="color: black;">近期</span><span style="color: black;">发掘</span>RNA修饰有助于维持R环的稳定性,例如N6-甲基腺苷(m6A)。然而,m6A修饰的R环在调节基因转录中的<span style="color: black;">功效</span>仍然知之甚少。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">科研</span><span style="color: black;">发掘</span></strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">02</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在<span style="color: black;">科研</span>中,<span style="color: black;">科研</span>人员证明了胰岛素样生长因子2 mRNA结合蛋白(IGF2BP)以依赖于m6A的方式识别R环。<span style="color: black;">因此呢</span>,IGF2BP过表达<span style="color: black;">经过</span>阻止DNA甲基转移酶1(DNMT1)与信号素3F(SEMA3F)<span style="color: black;">起步</span>子的结合,<span style="color: black;">引起</span>前列腺癌(PCa)中的整体R环水平<span style="color: black;">上升</span>、细胞迁移<span style="color: black;">控制</span>和细胞生长迟缓。<span style="color: black;">另外</span>,IGF2BP的K同源性(KH)结构域是识别含有m6A的R环所必需的,是肿瘤<span style="color: black;">控制</span>功能所必需的。SEMA3F的过表达<span style="color: black;">经过</span>调节Hippo通路<span style="color: black;">明显</span><span style="color: black;">加强</span>了多西紫杉醇对前列腺癌的化疗<span style="color: black;">敏锐</span>性。<span style="color: black;">科研</span>结果指出了由IGF2BP介导的独特R环分辨率途径,强调了IGF2BP<span style="color: black;">做为</span>表观遗传R环读取器在转录遗传调控和癌症生物学中的功能<span style="color: black;">要紧</span>性。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">本<span style="color: black;">科研</span>总结了N6-甲基腺苷在表观遗传调控中的新<span style="color: black;">功效</span>,介绍了IGF2BP蛋白以m6A依赖性方式介导的独特R环分辨率,这可能<span style="color: black;">引起</span>前列腺癌的生长迟缓和多西紫杉醇化疗耐药。<strong style="color: blue;"><span style="color: black;">科研</span>结果<span style="color: black;">首要</span>强调了IGF2BPs<span style="color: black;">做为</span>表观遗传R环读取器在转录遗传调控和癌症生物学中的功能<span style="color: black;">要紧</span>性。<span style="color: black;">另外</span>,<span style="color: black;">科研</span><span style="color: black;">供给</span>了一种新的RBM15/IGF2BPs/DNMT1跨组学调控m6A轴,<span style="color: black;">显示</span>了前列腺癌中RNA m6A甲基化和DNA甲基化之间的新串扰。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://q7.itc.cn/q_70/images03/20240426/b13015e8bbfe42d5b8171265bf7cc9d1.png" style="width: 50%; margin-bottom: 20px;"></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">科研</span>结论</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">03</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">综上所述,<span style="color: black;">科研</span>人员证明了IGF2BP<span style="color: black;">能够</span>以m6A依赖的方式调节R环代谢。在细胞核中,IGF2BP蛋白更倾向于结合甲基化DNA:RNA杂交体而不是ssRNA。<span style="color: black;">另外</span>,KH结构域<span style="color: black;">针对</span>IGF2BP和R环的结合至关<span style="color: black;">要紧</span>。<span style="color: black;">另外</span>,RBM15还负责R环的m6A修饰。<strong style="color: blue;">更<span style="color: black;">要紧</span>的是,<span style="color: black;">科研</span><span style="color: black;">供给</span>了一种新的RBM15/IGF2BPs/DNMT1跨组学调控轴,<span style="color: black;">暗示</span>在前列腺癌中RNA m6A甲基化和DNA甲基化之间存在新的串扰。<span style="color: black;">同期</span>,<span style="color: black;">做为</span>IGF2BPs的<span style="color: black;">一起</span>靶点,SEMA3F与PCa<span style="color: black;">病人</span>的<span style="color: black;">存活</span>率<span style="color: black;">关联</span>,这<span style="color: black;">显示</span>它可能是一种有前景的生物标志物,<span style="color: black;">能够</span>预测<span style="color: black;">将来</span>患前列腺癌的<span style="color: black;">危害</span>。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">参考资料:</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">https://molecular-cancer.biomedcentral.com/articles/10.1186/s12943-024-01994-0</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">注:本文旨在介绍医学<span style="color: black;">科研</span><span style="color: black;">发展</span>,<span style="color: black;">不可</span><span style="color: black;">做为</span>治疗<span style="color: black;">方法</span>参考。如需<span style="color: black;">得到</span>健康<span style="color: black;">指点</span>,请至正规医院就诊。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">热门·直播/活动</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">

4lqedz 发表于 2024-9-26 08:35:40

你的话语真是温暖如春,让我心生感激。

m5k1umn 发表于 2024-11-2 00:06:57

你的话深深触动了我,仿佛说出了我心里的声音。

qzmjef 发表于 2024-11-2 16:50:31

楼主继续加油啊!外链论坛加油!
页: [1]
查看完整版本: 最新!浙江大学医学院附庸第1医院发掘癌症潜在预测性生物标志物