为么会得癌症?专家们发掘新线索
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_gif/4V9cVGz8u7Y0ziayVljZNZMET5B1j0ZZbbMWljEPu9Z3f8zIhbpfPc6uywXwibAtxjKEgBcsUbBXnuM5jzYkqpPQ/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">咱们</span>总认为,癌症是<span style="color: black;">由于</span><span style="color: black;">咱们</span>的基因出了问题,像<span style="color: black;">指的是</span>挥<span style="color: black;">咱们</span>的身体的指挥官被搞乱了。然而,<span style="color: black;">专家</span>们的最新<span style="color: black;">科研</span>结果刷新了这种认知。<span style="color: black;">她们</span><span style="color: black;">发掘</span>,癌症的形成可能<span style="color: black;">不仅</span>是<span style="color: black;">由于</span>基因突变,<span style="color: black;">乃至</span>在<span style="color: black;">无</span>基因突变的<span style="color: black;">状况</span>下,癌症<span style="color: black;">亦</span>可能<span style="color: black;">出现</span>。</p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;">什么是基因突变?</h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">基因突变是当DNA序列<span style="color: black;">出现</span>改变时产生的。这些改变可能是自然产生的错误,<span style="color: black;">亦</span>可能是<span style="color: black;">因为</span><span style="color: black;">外边</span><span style="color: black;">原因</span>,<span style="color: black;">例如</span>阳光的辐射或吸烟。当基因突变<span style="color: black;">引起</span>细胞生长<span style="color: black;">失去控制</span>时,就可能<span style="color: black;">引起</span>癌症。然而,最新<span style="color: black;">科研</span><span style="color: black;">显示</span>,癌症<span style="color: black;">不仅</span>是基因突变的结果。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/4V9cVGz8u7ZmVt3soLgovY0ibibP0E76hbz2Q6vzJooG77e6uWpoNU7wvtibwQv9ia3ib1B46Clmu6ibicW2gfl0fMd6A/640?wx_fmt=jpeg&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;"><span style="color: black;">专家</span>的新<span style="color: black;">发掘</span></h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在2024年4月24日,法国蒙彼利埃大学的<span style="color: black;">专家</span>在《自然》杂志上<span style="color: black;">发布</span>了一篇题为“Polycomb<span style="color: black;">成份</span>的短暂缺失<span style="color: black;">引起</span>了表观遗传癌症的命运”的<span style="color: black;">科研</span>论文。这项<span style="color: black;">科研</span><span style="color: black;">表示</span>,即使<span style="color: black;">无</span>基因突变,癌症<span style="color: black;">亦</span>可能<span style="color: black;">出现</span>。这真是令人惊讶的<span style="color: black;">发掘</span>!</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/4V9cVGz8u7ZmVt3soLgovY0ibibP0E76hbpoxiaSrnxqVX8pM1LJzvvoF1gZwJs1icO5DvTiaRdnEFiceZMW4UyvYPlg/640?wx_fmt=jpeg&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;">什么是表观遗传?</h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">表观遗传<span style="color: black;">指的是</span>DNA序列之外的变化。想象一下,基因就像是一本书,而表观遗传就像是这本书的书签和标记。它们不会改变书的内容,但会告诉<span style="color: black;">咱们</span><span style="color: black;">那些</span>部分是<span style="color: black;">要紧</span>的。表观遗传的改变<span style="color: black;">能够</span>影响基因的开关,让它们决定<span style="color: black;">那些</span>基因应该被读,<span style="color: black;">那些</span><span style="color: black;">不该</span>该。</p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;">Polycomb蛋白的<span style="color: black;">功效</span></h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">专家</span>们<span style="color: black;">发掘</span>,Polycomb蛋白在调控基因表达中起着<span style="color: black;">重要</span><span style="color: black;">功效</span>。当这些蛋白短暂缺失时,可能会<span style="color: black;">引起</span>表观遗传的改变,从而<span style="color: black;">诱发</span>癌症。这<span style="color: black;">寓意</span>着,癌症的形成可能<span style="color: black;">不仅</span>是基因突变的结果,表观遗传的改变<span style="color: black;">亦</span>可能是<span style="color: black;">重要</span>驱动<span style="color: black;">原因</span>。</p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;"><span style="color: black;">为何</span>这很<span style="color: black;">要紧</span>?</h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">这个<span style="color: black;">发掘</span>很<span style="color: black;">要紧</span>,<span style="color: black;">由于</span>它改变了<span style="color: black;">咱们</span>对癌症的理解。<span style="color: black;">倘若</span>癌症可能在<span style="color: black;">无</span>基因突变的<span style="color: black;">状况</span>下<span style="color: black;">出现</span>,<span style="color: black;">那样</span><span style="color: black;">专家</span>们<span style="color: black;">必须</span>重新思考癌症的成因。这<span style="color: black;">亦</span>可能<span style="color: black;">帮忙</span><span style="color: black;">她们</span>找到新的<span style="color: black;">办法</span>来治疗或预防癌症。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/4V9cVGz8u7ZmVt3soLgovY0ibibP0E76hbM3ZoZSKAIblW57fvbYOTD7PspxLnn8kKvGYibZkgLHQgGyficg8Mee8A/640?wx_fmt=jpeg&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<h3 style="color: black; text-align: left; margin-bottom: 10px;">总结</h3>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">专家</span>们正<span style="color: black;">持续</span><span style="color: black;">科研</span>基因和表观遗传,以更好地理解癌症的<span style="color: black;">繁杂</span>性。这个故事告诉<span style="color: black;">咱们</span>,科学总是充满了惊喜和新的<span style="color: black;">发掘</span>!这<span style="color: black;">亦</span>是<span style="color: black;">为何</span><span style="color: black;">专家</span>们<span style="color: black;">每日</span>都在实验室里<span style="color: black;">奋斗</span>工作,试图揭示<span style="color: black;">咱们</span>身体的<span style="color: black;">奥密</span>。<span style="color: black;">期盼</span>这个故事能激发你对科学的兴趣,让你想要<span style="color: black;">认识</span><span style="color: black;">更加多</span>关于癌症和基因的知识。</p>
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