6hz7vif 发表于 2024-6-15 17:47:43

成功率高达93%!北京协和医学院联合南医大等最新科研助力癌症精细治疗!

<img src="https://mmbiz.qpic.cn/mmbiz_jpg/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE0n0Nc7EL2mibasTJe7pYbr8JwNO48RwfiarCGFs8hg4BO6Ws28II84hVA/640?wx_fmt=jpeg&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE0qPItJUibJTwRmT9Xt5oAicj7bnAm1MqKBeOTryBoavcj9aDGvAOnuJdQ/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;">
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">本文为转化医学网原创,转载请注明出处&nbsp;</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">作者:Sophia</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">导读:</strong><span style="color: black;">因为</span>肿瘤异质性,准确预测结直肠癌(CRC)和结直肠癌肝转移(CRLM)对个体化化疗反应的<span style="color: black;">办法</span>仍然有限。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">11月16日,中国医学科学院北京协和医学院、先进医用材料与器件国家重点实验室联合南京医科大学<span style="color: black;">第1</span><span style="color: black;">附庸</span>医院学者<span style="color: black;">一起</span>在《Advanced Science》上<span style="color: black;">发布</span>题为“Prediction of Clinical Precision Chemotherapy by Patient-Derived 3D Bioprinting Models of Colorectal Cancer and Its Liver Metastases”的<span style="color: black;">科研</span>论文,在这项<span style="color: black;">科研</span>中,<strong style="color: blue;"><span style="color: black;">咱们</span>应用3DP技术<span style="color: black;">创立</span>了<span style="color: black;">病人</span><span style="color: black;">源自</span>的CRC和CRLM模型,并证明了3DP肿瘤模型保持了其母体肿瘤的特定生物标志物和特征突变谱。<span style="color: black;">药品</span>检测<span style="color: black;">表示</span>肿瘤异质性<span style="color: black;">显著</span>,<span style="color: black;">包含</span>不同<span style="color: black;">病人</span>之间的肿瘤间异质性以及同一<span style="color: black;">病人</span>原发性和成对转移性肿瘤之间的异质性。<span style="color: black;">咱们</span>将CRLM 3DP模型的<span style="color: black;">药品</span>反应数据与<span style="color: black;">病人</span>新辅助化疗(NAC)后的临床结果<span style="color: black;">关联</span>联,并证明3DP癌症模型<span style="color: black;">能够</span><span style="color: black;">作为</span>癌症个体化治疗的<span style="color: black;">靠谱</span>和<span style="color: black;">有效</span>的平台。</strong></p><img src="https://mmbiz.qpic.cn/mmbiz_jpg/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE0vJicwnAKGlPs4kBRMu2xIjhTv8VBfQdibcLY6ibQZQiaNvPgY5RtNEAVTg/640?wx_fmt=jpeg&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;">
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">https://onlinelibrary.wiley.com/doi/10.1002/advs.202304460</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;">&nbsp;01&nbsp;</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结直肠癌(CRC)是一种致命的癌症,在世界范围内致死率很高。每年,大<span style="color: black;">大概</span> 200 万人<span style="color: black;">身患</span>这种癌症,有近 900,000 例与结直肠癌<span style="color: black;">关联</span>的死亡。<span style="color: black;">因为</span><span style="color: black;">初期</span>诊断的局限性,<span style="color: black;">海量</span><span style="color: black;">病人</span>在诊断时<span style="color: black;">处在</span>晚期。这些<span style="color: black;">病人</span>中近 20% 存在肝转移(CRLM)。肝转移是结直肠癌中最<span style="color: black;">平常</span>的转移形式,<span style="color: black;">亦</span>是结直肠癌<span style="color: black;">病人</span>死亡的<span style="color: black;">重点</span><span style="color: black;">原由</span>。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">近年来,随着<span style="color: black;">初期</span>筛查的<span style="color: black;">发掘</span>以及手术、放疗、化疗、靶向治疗等治疗<span style="color: black;">办法</span>的不断改进,结直肠癌<span style="color: black;">病人</span>的整体<span style="color: black;">存活</span>率较过去有了很大<span style="color: black;">加强</span>。5-氟尿嘧啶 (5-FU) 联合奥沙利铂或伊立替康 (CPT-11) 的全身化疗在结直肠癌的辅助治疗中<span style="color: black;">始终</span>发挥着<span style="color: black;">重要</span><span style="color: black;">功效</span>,可<span style="color: black;">加强</span>切除结直肠癌<span style="color: black;">病人</span>的<span style="color: black;">存活</span>率。<span style="color: black;">针对</span>CRLM<span style="color: black;">病人</span>,手术切除被认为是首选的治疗方式,与全身化疗联合<span style="color: black;">运用</span>时,可能为<span style="color: black;">病人</span><span style="color: black;">供给</span>更好的生存获益。然而,结直肠癌<span style="color: black;">拥有</span>高度的异质性,化疗疗效仍然有限。<span style="color: black;">因此呢</span>,个体化治疗计划,<span style="color: black;">尤其</span>是<span style="color: black;">针对</span>转移性结直肠癌<span style="color: black;">病人</span>,变得越来越<span style="color: black;">要紧</span>和紧迫。<strong style="color: blue;">不幸的是,鉴于转移后肿瘤内的异质性,加上肿瘤的<span style="color: black;">显著</span>个体异质性,个体化化疗<span style="color: black;">药品</span>的<span style="color: black;">选取</span>仍然是一个棘手的问题。临床实践中仍然缺乏<span style="color: black;">有效</span>、准确的<span style="color: black;">药品</span>筛选模型。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">晚期癌症<span style="color: black;">病人</span>的异质性被认为是癌症<span style="color: black;">药品</span>治疗失败的<span style="color: black;">重点</span><span style="color: black;">原由</span>。在众多现有的个体化治疗<span style="color: black;">方法</span>中<span style="color: black;">选取</span><span style="color: black;">敏锐</span><span style="color: black;">药品</span>对肿瘤学家<span style="color: black;">来讲</span>是一个挑战。随着3DP技术的发展,3DP<span style="color: black;">创立</span>肿瘤模型在癌症<span style="color: black;">科研</span>中<span style="color: black;">拥有</span>广阔的前景,<span style="color: black;">尤其</span>是在个性化癌症治疗方面。迄今为止,口腔癌、乳腺癌、结直肠癌和肺癌的<span style="color: black;">关联</span><span style="color: black;">科研</span><span style="color: black;">显示</span>,<strong style="color: blue;">3DP技术<span style="color: black;">能够</span><span style="color: black;">作为</span><span style="color: black;">科研</span>肿瘤发展的新平台,并<span style="color: black;">表示</span>出<span style="color: black;">明显</span>加速癌症<span style="color: black;">科研</span>的<span style="color: black;">潜能</span>。</strong></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;">发展</span></strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">&nbsp;02&nbsp;</span></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>,<span style="color: black;">咱们</span>采用高精度生物打印机成功<span style="color: black;">创立</span>了CRC和CRLM的<span style="color: black;">病人</span>衍生个性化模型。值得一提的是,<strong style="color: blue;">这是<span style="color: black;">经过</span>3D生物技术<span style="color: black;">创立</span><span style="color: black;">病人</span><span style="color: black;">源自</span>的CRC/CRLM肿瘤模型的开创性成就,成功率高达93.0%。从外科手术到3DP肿瘤模型的生物打印,<span style="color: black;">全部</span>工作流程不到2小时。</strong><span style="color: black;">咱们</span>的<span style="color: black;">科研</span>结果强调了原发性肿瘤细胞在3D生物墨水配置中的良好活力,以及它们在<span style="color: black;">起始</span>体外治疗之前的出色活性。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">咱们</span>的<span style="color: black;">科研</span><span style="color: black;">显示</span>,<strong style="color: blue;">3DP模型中的原发性肿瘤细胞<span style="color: black;">拥有</span>生成3D结构的能力,<span style="color: black;">包含</span>封闭的空腔和固体结构(图1C和4C)。这种现象可能与亲本肿瘤的组织形态学特征相对应;然而,为了<span style="color: black;">牢靠</span>地<span style="color: black;">创立</span>这种联系,<span style="color: black;">必须</span>更广泛的样本量。</strong>由于这种特定生物墨水<span style="color: black;">拥有</span>出色的可印刷性和生物打印机的精确性,3DP 模型中的肿瘤体积表现出最小的变化和均匀的分布,从而<span style="color: black;">拥有</span>出色的可重复性。与PDTO相比,PDTO在构建<span style="color: black;">办法</span>和类器官<span style="color: black;">体积</span>方面表现出很大的差异,并且缺乏标准化的协议,<span style="color: black;">引起</span><span style="color: black;">海量</span>的劳动力和材料<span style="color: black;">花费</span>,3DP肿瘤模型<span style="color: black;">拥有</span><span style="color: black;">显著</span>的<span style="color: black;">优良</span>。这些<span style="color: black;">优良</span><span style="color: black;">包含</span>其成本效益、<span style="color: black;">有效</span>的建模过程、更高的成功率、维持细胞活力的能力以及减少手术所需的时间。<span style="color: black;">另外</span>,<strong style="color: blue;">3DP技术可用于创建多样化的细胞模型,在体外准确组装免疫微环境,从而使3DP肿瘤模型在个体化<span style="color: black;">药品</span>预测和癌症<span style="color: black;">科研</span>中更具前景。</strong></p><img src="https://mmbiz.qpic.cn/mmbiz_jpg/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE01Ho7MyIWDxtzJ8LicQyrsFW5icE4hBWgW3hs28V7uSicLm7xQr67wfbNw/640?wx_fmt=jpeg&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;">
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1C:将 CRC 3DP 模型与相应的类器官和亲本肿瘤进行比较的 HE 染色。</p><img src="https://mmbiz.qpic.cn/mmbiz_jpg/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE0zq8nBiaK99X1MNicWLbJZELXEtkFxP7Dfa2Sm20T4Jz326sq0RfTUCZw/640?wx_fmt=jpeg&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;">
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4C:CRLM 3DP 模型、相应类器官和亲本肿瘤的 HE 染色。</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;">&nbsp;03&nbsp;</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">总之,<span style="color: black;">咱们</span><span style="color: black;">已然</span>成功地为CRC/CRLM<span style="color: black;">病人</span><span style="color: black;">创立</span>了3DP肿瘤模型,据<span style="color: black;">咱们</span>所知,这是以前<span style="color: black;">无</span><span style="color: black;">报告</span>过的。<span style="color: black;">咱们</span>证明了该模型<span style="color: black;">能够</span>保持原始肿瘤的生物学和遗传特征,<span style="color: black;">要紧</span>的是,<span style="color: black;">思虑</span>到<span style="color: black;">明显</span>的肿瘤异质性,<span style="color: black;">咱们</span><span style="color: black;">发掘</span> CRLM <span style="color: black;">病人</span>的临床结果与个体 3DP 肿瘤模型<span style="color: black;">药品</span><span style="color: black;">敏锐</span>性测试之间存在<span style="color: black;">明显</span><span style="color: black;">关联</span>性。下一代个体化治疗可能<span style="color: black;">触及</span>更精确的医学模型,这<span style="color: black;">必须</span>将<span style="color: black;">病人</span>群体的异质性纳入诊断-治疗级联的每一步。虽然<span style="color: black;">包含</span>CRLM在内的晚期恶性肿瘤的个体化治疗<span style="color: black;">日前</span>相对模糊,但<span style="color: black;">咱们</span>的<span style="color: black;">科研</span>结果<span style="color: black;">显示</span>,<strong style="color: blue;"><span style="color: black;">病人</span><span style="color: black;">源自</span>的癌症3DP模型有可能<span style="color: black;">作为</span><span style="color: black;">加强</span>癌症<span style="color: black;">精细</span>治疗和加速新药临床<span style="color: black;">研发</span>的平台。然而,鉴于<span style="color: black;">咱们</span><span style="color: black;">科研</span>中的样本量相对较小,<span style="color: black;">必须</span>进一步的<span style="color: black;">科研</span>在更大的<span style="color: black;">病人</span>群体中测试这种<span style="color: black;">办法</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://onlinelibrary.wiley.com/doi/10.1002/advs.202304460</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>
    <img src="https://mmbiz.qpic.cn/mmbiz_png/pHzHVM2oJO2I0a8vLzaFwgPvCSRSGUE0z4gFl8AfKX7rPYdUmZ92xiapsLic7icZVnvGUTwnjHNYgV4lBoKdKxyWQ/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;">
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">热门·直播/活动</p><a style="color: black;">
      <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">

m5k1umn 发表于 2024-10-19 00:33:06

外链发布论坛学习网络优化SEO。
页: [1]
查看完整版本: 成功率高达93%!北京协和医学院联合南医大等最新科研助力癌症精细治疗!