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CDK1 - 版本历史
2026-04-19T08:50:13Z
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2026-01-16T02:24:06Z
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<p><b>新页面</b></p><div><div style="padding: 0 4%; line-height: 1.8; color: #1e293b; font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', Arial, sans-serif; background-color: #ffffff; max-width: 1200px; margin: auto;"><br />
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<strong>[[CDK1]]</strong>（<strong>[[Cyclin-Dependent Kinase 1]]</strong>，原名<strong>[[CDC2]]</strong>）是细胞周期调控系统的核心引擎，也是唯一一个被证实对所有真核细胞周期进程都不可或缺的[[CDK]]成员。[[CDK1]]属于[[丝氨酸/苏氨酸激酶]]家族，主要通过与<strong>[[Cyclin B]]</strong>结合形成复合物（即<strong>[[有丝分裂促进因子]]</strong>，[[MPF]]），驱动细胞从<strong>[[G2期]]向[[M期]]</strong>（[[有丝分裂]]）转换。作为细胞增殖的终极开关，[[CDK1]]在几乎所有恶性肿瘤中均呈现表达上调或活性失控。临床上，[[CDK1]]不仅是评估肿瘤增殖指数的关键指标，也是开发广谱[[CDK抑制剂]]及探索[[合成致死]]疗法的重要表观与细胞周期靶点。<br />
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<div style="font-size: 1.2em; font-weight: bold; letter-spacing: 1.2px;">[[CDK1]]</div><br />
<div style="font-size: 0.75em; opacity: 0.85; margin-top: 4px;">有丝分裂核心激酶 · 点击展开</div><br />
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<div style="padding: 12px; border: 1px solid #e2e8f0; border-radius: 8px; background: #fff; display: inline-block;"><br />
<div style="width: 140px; height: 90px; background-color: #f1f5f9; display: flex; align-items: center; justify-content: center; color: #94a3b8; font-size: 0.8em; padding: 10px; text-align: center;">[[CDK1]]/[[Cyclin B1]]复合物晶体结构</div><br />
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<div style="font-size: 0.8em; color: #64748b; margin-top: 12px; font-weight: 600;">染色体位置：10q21.2</div><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569; border-bottom: 1px solid #e2e8f0; width: 45%;">[[Entrez]]ID</th><br />
<td style="padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">983</td><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569; border-bottom: 1px solid #e2e8f0;">[[HGNC]]ID</th><br />
<td style="padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">1722</td><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569; border-bottom: 1px solid #e2e8f0;">[[UniProt]]</th><br />
<td style="padding: 10px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">P06493</td><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569; border-bottom: 1px solid #e2e8f0;">关键激活子</th><br />
<td style="padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #1e40af;">[[Cyclin B1]]/[[B2]]/[[A]]</td><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569; border-bottom: 1px solid #e2e8f0;">[[分子量]]</th><br />
<td style="padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">约34kDa</td><br />
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<th style="text-align: left; padding: 8px 12px; background-color: #f1f5f9; color: #475569;">常用别名</th><br />
<td style="padding: 12px; color: #0f172a;">[[CDC2]]•[[CDKN1]]•[[p34]]</td><br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">分子机制：有丝分裂的“总指挥”</h2><br />
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[[CDK1]]通过一系列精密的磷酸化反应，协调从DNA复制完成到细胞分裂结束的复杂过程：<br />
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<li style="margin-bottom: 12px;"><strong>复合物形成：</strong>在[[G2]]晚期，[[CDK1]]与逐渐积累的[[Cyclin B]]结合。此时复合物处于非活性状态，因其被[[Wee1]]和[[Myt1]]激酶在[[Thr14]]和[[Tyr15]]位点磷酸化抑制。</li><br />
<li style="margin-bottom: 12px;"><strong>爆发式激活：</strong>[[CDC25]]磷酸酶去除上述抑制性磷酸化，同时[[CAK]]（[[CDK激活激酶]]）对[[Thr161]]进行激活磷酸化，形成完全活性的<strong>[[MPF]]</strong>。</li><br />
<li style="margin-bottom: 12px;"><strong>底物磷酸化：</strong>活化的[[CDK1]]磷酸化大量底物，导致[[核膜崩解]]、[[染色质皱缩]]、[[纺锤体]]组装及[[高尔基体]]断裂。</li><br />
<li style="margin-bottom: 12px;"><strong>有丝分裂退出：</strong>在有丝分裂后期，[[APC/C]]介导[[Cyclin B]]降解，[[CDK1]]活性迅速丧失，促使细胞完成[[胞质分裂]]并进入下一个周期。</li><br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">临床意义与病理学关联</h2><br />
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<th style="padding: 10px; border: 1px solid #cbd5e1; color: #0f172a; width: 25%;">病理领域</th><br />
<th style="padding: 10px; border: 1px solid #cbd5e1; color: #475569;">CDK1 异常特征</th><br />
<th style="padding: 10px; border: 1px solid #cbd5e1; color: #1e40af;">临床表型与意义</th><br />
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<td style="padding: 8px; border: 1px solid #cbd5e1; font-weight: 600;">[[肝细胞癌]]</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">mRNA及蛋白显著过表达</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">与高[[Ki-67]]指数及不良预后正相关，可作为诊断标志物。</td><br />
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<td style="padding: 8px; border: 1px solid #cbd5e1; font-weight: 600;">[[乳腺癌]]</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">活性失控导致染色体不稳</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">在[[三阴性乳腺癌]]中，抑制CDK1可增强对化疗的敏感性。</td><br />
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<td style="padding: 8px; border: 1px solid #cbd5e1; font-weight: 600;">[[卵巢癌]]</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">[[MYC]]扩增伴随CDK1上调</td><br />
<td style="padding: 8px; border: 1px solid #cbd5e1;">作为[[合成致死]]靶点，与[[PARP抑制剂]]联合应用。</td><br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">诊疗策略：靶向细胞周期的终极拦截</h2><br />
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针对[[CDK1]]的治疗开发正在从“广谱激酶抑制”转向“精准协同干预”：<br />
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<li style="margin-bottom: 12px;"><strong>[[Pan-CDK抑制剂]]：</strong>如[[阿伏西地]]（[[Alvocidib]]）和[[迪那西利]]（[[Dinaciclib]]）。这些药物能强效抑制[[CDK1]]活性，使肿瘤细胞停滞在[[G2/M]]期并诱导凋亡。</li><br />
<li style="margin-bottom: 12px;"><strong>[[合成致死]]（Synthetic Lethality）：</strong>在[[MYC]]过度表达或[[TP53]]缺失的肿瘤中，细胞高度依赖[[CDK1]]维持基因组稳定性。特异性抑制[[CDK1]]可引发这些肿瘤细胞发生[[有丝分裂灾难]]（[[Mitotic Catastrophe]]）。</li><br />
<li style="margin-bottom: 12px;"><strong>克服化药耐药：</strong>抑制[[CDK1]]可以下调某些抗凋亡蛋白（如[[Survivin]]），从而逆转肿瘤对[[紫杉醇]]或[[顺铂]]的耐药性。</li><br />
<li style="margin-bottom: 12px;"><strong>[[PROTAC]]技术应用：</strong>开发针对[[CDK1]]的蛋白降解剂，旨在实现比小分子抑制剂更持久的激酶沉默效果。</li><br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">关键相关概念</h2><br />
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<li style="margin-bottom: 8px;"><strong>[[Cyclin B1]]：</strong>[[CDK1]]进入有丝分裂阶段必不可少的监管伴侣。</li><br />
<li style="margin-bottom: 8px;"><strong>[[CDC25]]：</strong>负责激活[[CDK1]]的关键磷酸酶，是细胞周期加速的“油门”。</li><br />
<li style="margin-bottom: 8px;"><strong>[[Wee1]]：</strong>负责抑制[[CDK1]]的激酶，是G2/M检查点的“刹车”，其抑制剂（如[[Adavosertib]]）正处于临床探索中。</li><br />
<li style="margin-bottom: 8px;"><strong>[[有丝分裂灾难]]：</strong>由于细胞周期失控，细胞在有丝分裂过程中发生的异常死亡，是[[CDK1]]靶向治疗的理想终点。</li><br />
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<span style="color: #0f172a; font-weight: bold; font-size: 1.05em; display: inline-block; margin-bottom: 15px;">学术参考文献与权威点评</span><br />
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[1] <strong>Nurse P. (2000).</strong> <em>A long twenty years from yeast junctions to mammalian cell cycle control.</em> <strong>[[Nature]]</strong>.[Academic Review]<br><br />
<span style="color: #475569;">[权威点评]：保罗·纳斯（诺贝尔奖得主）总结了从酵母到哺乳动物中CDK1（CDC2）作为通用细胞周期调节因子的里程碑意义。</span><br />
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[2] <strong>Santamaría D, et al. (2007).</strong> <em>Cdk1 is the only essential cell cycle CDK in mice.</em> <strong>[[Nature]]</strong>.<br><br />
<span style="color: #475569;">[核心价值]：该研究利用基因剔除模型证实了CDK1在所有CDK家族成员中的统治地位及不可替代性。</span><br />
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[[CDK1]] 调控生态 · 知识图谱<br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle; white-space: nowrap;">关联因子</td><br />
<td style="padding: 10px 15px; color: #334155;">[[Cyclin B1]]•[[CDC25]]•[[Wee1]]•[[APC/C]]•[[PLK1]]</td><br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle; white-space: nowrap;">代表药物</td><br />
<td style="padding: 10px 15px; color: #334155;">[[迪那西利]]•[[阿伏西地]]•[[Adavosertib]]•[[紫杉醇]](下游)</td><br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle; white-space: nowrap;">战略实体</td><br />
<td style="padding: 10px 15px; color: #334155;">[[MSD]]•[[AstraZeneca]]•[[Tolero]]•[[The Francis Crick Institute]]</td><br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle; white-space: nowrap;">研究前沿</td><br />
<td style="padding: 10px 15px; color: #334155;">[[CDK1与免疫检查点抑制剂的联合]]•[[基于超级增强子的CDK1表达调控]]•[[针对We2激酶的合成致死筛选]]</td><br />
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