菏泽市巨野县结直肠癌4基因突变检测+MSI（组织）预约就选巨野县万核医学基因检测咨询中心提供专业的结直肠癌4基因突变检测+MSI（组织）检测服务。预约电话：400-178-9498
结直肠癌60-70%，但早期诊断和精准治疗的进步正不断改善这一数据。</p>
<p>近年来，随着分子生物学技术的飞速发展和对肿瘤驱动基因认识的加深，结直肠癌的检测+MSI（组织）”产品，通过高通量测序（NGS）技术，精准分析结直肠癌组织样本中的KRAS、NRAS、BRAF、HER2基因突变状态以及微卫星不抗、帕尼单抗）治疗前，强烈推荐进行KRAS和NRAS基因突变检测。KRAS/NRAS基因的某些突变（主要为RAS原癌基因的第2、3、4外显子突增或突变是潜在的靶向治疗靶点，已有针对HER2的靶向药物在临床试验中显示出疗效，部分已获批用于治疗HER2阳性的转移性结直肠癌。</li><p><strong>产品名称：</strong> 结直肠癌4基因突变检测+MSI（组织）</p>
<p><strong>检测方法：</strong> 高通量测序（NGS）</p>
>
<p><strong>临床应用：</strong> KRAS/NRAS/BRAF/HER2基因突变+MSI</p>
<table style="width:100%;border-collapse:separate;border-spacing:0;margin:20px 0;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.08);">
<thead>
<tr>
<th style="background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:15px 12px;text-align:left;font-weight:600;border:none;">基因/生物标志物</th>
<th style="background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:15px 12px;text-align:left;font-weight:600;border:none;">常见突变位点/类型</th>
<th style="background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:15px 12px;text-align:left;font-weight:600;border:none;">靶向药物/治疗策略</th>
<th style="background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:15px 12px;text-align:left;font-weight:600;border:none;">临床意义/适应症</th>
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</thead>
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<td style="padding:12px;border-bottom:1px solid #e8e8e8;border-right:1px solid #e8e8e8;">KRAS</td>
EGFR双靶向治疗中获益。</td>
</tr>
<tr>
<td style="padding:12px;border-bottom:1px solid #e8e8e8;border-right:1px solid #e8e8e8;">HER2</td>
<td style="padding:12px;border-bottom:1px solid #e8e8e8;border-right:1px solid #e8e8e8;">基因扩增；特定点突变（如S310F、L755S等）</td>
<td style="padding:12px;border-bottom:1px solid #e8e8e8;border-right:1px solid #e8e8e8;">抗HER2靶向药物（如曲妥珠单抗、帕妥珠单抗、T-DM1、DS-8201等）</td>
<td style="padding:12px;border-bottom:1px solid #e8e8e8;border-right:1px solid #e8e8e8;">HER2扩增或突变是潜在的靶点的等位基因频率，为临床评估提供更详细的数据。</li>
<li style="margin-bottom:8px;line-height:1.8;"><strong>发现新突变：</strong> NGS的广阔覆盖范围有助于发现已知突变之外的潜在驱动基因或耐药机制。</li>
<ul style="margin:15px 0 20px 0;padding-left:25px;list-style-position:inside;">
<li style="margin-bottom:8px;line-height:1.8;"><strong>抗EGFR治疗：</strong> 针对KRAS/NRAS/BRAF野生型结直肠癌的抗EGFR单抗仍是重要的一线和后线治疗选择。</li>
<li style="margin-bottom:8px;line-height:1.8;"><strong>BRAF项抗HER2靶向药物（如曲妥珠单抗联合帕妥珠单抗、T-DM1、DS-8201等）在临床试验中展现出良好疗效，部分已获批上市高危人群：</strong> 对于有结直肠癌家族史、怀疑遗传性综合征（如林奇综合
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<tr><td>结直肠癌4基因突变检测+MSI（组织）</td><td>¥6760</td><td><strong>¥5200</strong></td></tr>
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