{"id":90958,"date":"2023-08-08T09:47:00","date_gmt":"2023-08-08T02:47:00","guid":{"rendered":"https:\/\/www.xinwengao.com\/cn\/pr\/2023080809470090958"},"modified":"2023-08-08T15:26:22","modified_gmt":"2023-08-08T07:26:22","slug":"%e4%bf%a1%e8%be%be%e7%94%9f%e7%89%a9%e5%9c%a8nature-cancer%e4%b8%8a%e5%8f%91%e8%a1%a8-ibi363pd-1-il-2%e5%8f%8c%e7%89%b9%e5%bc%82%e6%80%a7%e6%8a%97%e4%bd%93%e8%9e%8d%e5%90%88%e8%9b%8b%e7%99%bd","status":"publish","type":"post","link":"https:\/\/www.xinwengao.com\/cn\/pr\/2023080809470090958","title":{"rendered":"\u4fe1\u8fbe\u751f\u7269\u5728Nature Cancer\u4e0a\u53d1\u8868 IBI363(PD-1\/IL-2\u53cc\u7279\u5f02\u6027\u6297\u4f53\u878d\u5408\u86cb\u767d)\u7684\u90e8\u5206\u4e34\u5e8a\u524d\u7ed3\u679c"},"content":{"rendered":"<p><p><span class=\"legendSpanClass\">\u7f8e\u56fd\u9a6c\u91cc\u5170\u5dde\u7f57\u514b\u7ef4\u5c14\u5e02\u548c\u4e2d\u56fd\u82cf\u5dde<\/span><span class=\"legendSpanClass\">2023\u5e748\u67088\u65e5<\/span> <span>\/\u7f8e\u901a\u793e\/ &#8212; <\/span>\u4fe1\u8fbe\u751f\u7269\u5236\u836f\u96c6\u56e2\uff08\u9999\u6e2f\u8054\u4ea4\u6240\u80a1\u7968\u4ee3\u7801\uff1a01801\uff09\uff0c\u4e00\u5bb6\u81f4\u529b\u4e8e\u7814\u53d1\u3001\u751f\u4ea7\u548c\u9500\u552e\u7528\u4e8e\u6cbb\u7597\u80bf\u7624\u3001\u4ee3\u8c22\u75be\u75c5\u3001\u81ea\u8eab\u514d\u75ab\u7b49\u91cd\u5927\u75be\u75c5\u7684\u521b\u65b0\u836f\u7269\u7684\u751f\u7269\u5236\u836f\u516c\u53f8\u5ba3\u5e03\uff0c\u5176\u6297PD-1\/IL-2\u53cc\u7279\u5f02\u6027\u6297\u4f53\u878d\u5408\u86cb\u767d\uff08\u7814\u53d1\u4ee3\u53f7\uff1aIBI363\uff09\u7684\u90e8\u5206\u65e9\u671f\u4e34\u5e8a\u524d\u6838\u5fc3\u673a\u5236\u7814\u7a76\u7ed3\u679c\u53d1\u8868\u5728\u56fd\u9645\u77e5\u540d\u5b66\u672f\u671f\u520a<i>Nature<\/i>\u6742\u5fd7\u5b50\u520a <i>Nature Cancer<\/i> \uff08\u5f71\u54cd\u56e0\u5b50=22.7\uff09\u3002\u6587\u7ae0\u6807\u9898\u4e3a&quot;IL-2R\u03b1-biased agonist enhances antitumor immunity by invigorating tumor-infiltrating CD25<sup>+<\/sup>CD8<sup>+<\/sup> T cells&quot;\u3002<\/p>\n<p>\u767d\u7ec6\u80de\u4ecb\u7d202\uff08Interleukin-2\uff0cIL-2\uff09\u662f\u7b2c\u4e00\u4e2a\u88ab\u53d1\u73b0\u548c\u9274\u5b9a\u5728T\u7ec6\u80de\u53d1\u80b2\u548c\u6269\u589e\u4e2d\u8d77\u91cd\u8981\u4f5c\u7528\u7684\u7ec6\u80de\u56e0\u5b50\uff0c\u65e9\u572820\u4e16\u7eaa90\u5e74\u4ee3\uff0c\u963f\u5730\u767d\u4ecb\u7d20\uff08IL-2\uff09\u5373\u88ab\u7f8e\u56fdFDA\u6279\u51c6\u7528\u4e8e\u8f6c\u79fb\u6027\u80be\u7ec6\u80de\u764c\u548c\u8f6c\u79fb\u6027\u9ed1\u8272\u7d20\u7624\u7684\u6cbb\u7597\uff0c\u7136\u800c\u7531\u4e8e\u5176\u9009\u62e9\u6027\u5dee\u3001\u6cbb\u7597\u7a97\u7a84\u3001\u526f\u53cd\u5e94\u5927\uff0c\u672a\u80fd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e34\u5e8a\u3002IL-2\u4f5c\u4e3a\u4e00\u4e2a\u53cc\u529f\u80fd\u7684\u7ec6\u80de\u56e0\u5b50\uff0c\u65e2\u53ef\u4ee5\u901a\u8fc7IL-2\u53d7\u4f53\u03b1\u03b2\u03b3\u4e09\u805a\u4f53\u8bf1\u5bfc\u6fc0\u6d3bCD4<sup>+<\/sup>\u8c03\u8282\u6027T\u7ec6\u80de\uff08Regulatory T cell, Treg\uff09\uff0c\u7ef4\u6301\u673a\u4f53\u514d\u75ab\u6291\u5236\uff0c\u53c8\u53ef\u4ee5\u901a\u8fc7IL-2\u53d7\u4f53\u03b2\u03b3\u4e8c\u805a\u4f53\u523a\u6fc0CD8<sup>+<\/sup>T\u7ec6\u80de\u548c\u81ea\u7136\u6740\u4f24\u7ec6\u80de\uff0c\u7ef4\u6301\u673a\u4f53\u6297\u80bf\u7624\u4f5c\u7528\u3002\u7edd\u5927\u591a\u6570\u5f00\u53d1\u8005\u91c7\u53d6\u53bb\u9664IL-2\u4e0eIL-2\u53d7\u4f53\u03b1\u7684\u7ed3\u5408\u7684\u7b56\u7565\uff0c\u6765\u51cf\u5c11IL-2\u7a81\u53d8\u5bf9Treg\u7ec6\u80de\u523a\u6fc0\uff0c\u4ece\u800c\u964d\u4f4e\u514d\u75ab\u6291\u5236\u5e76\u6700\u5927\u5316IL-2\u7684\u6297\u80bf\u7624\u6548\u679c\u3002\u7136\u800c\u8fd9\u4e9bIL-2\u7684\u7a81\u53d8\u4f53\uff08&quot;not-\u03b1&quot;IL-2\uff09\u5728\u4e34\u5e8a\u4e0a\u8868\u73b0\u5374\u4e0d\u5c3d\u4eba\u610f\u3002\u672c\u6587\u9488\u5bf9\u4ee5\u4e0a\u73b0\u8c61\uff0c\u91c7\u53d6\u5934\u5bf9\u5934\u5bf9\u6bd4\u5b9e\u9a8c\uff0c\u6709\u4ee5\u4e0b\u91cd\u8981\u53d1\u73b0\uff1a<\/p>\n<ul type=\"disc\">\n<li>\u4e0e&quot;not-\u03b1&quot;IL-2\u7a81\u53d8\u4f53\u76f8\u6bd4\u8f83\uff0c\u4fdd\u7559IL-2\u53d7\u4f53\u03b1 (CD25) \u7ed3\u5408\u6d3b\u6027\u7684\u03b1-biased IL-2\u7a81\u53d8\u4f53\u5728MC38\u3001CT26\u3001EMT6\u7b49\u5c0f\u9f20\u6a21\u578b\u4e2d\uff0c\u5c55\u73b0\u51fa\u66f4\u4f18\u79c0\u7684\u6297\u80bf\u7624\u6d3b\u6027\uff0c\u4e14\u6bd2\u6027\u66f4\u4f4e\uff1b<\/li>\n<li>\u5728\u80bf\u7624\u5185\uff0c\u03b1-biased IL-2\u7a81\u53d8\u4f53\u53ef\u4ee5\u66f4\u6709\u6548\u7684\u6fc0\u6d3b\u80bf\u7624\u7279\u5f02\u6027T\u7ec6\u80de\uff08tumor-specific T cells\uff0cTSTs\uff09\uff0c\u540cTreg\u7c7b\u4f3c\uff0c\u8fd9\u4e00\u7fa4TSTs\u540c\u6837\u9ad8\u8868\u8fbeCD25\uff0c\u4ece\u800c\u53ef\u4ee5\u66f4\u597d\u7684\u63a5\u6536\u5230\u03b1-biased IL-2\u7684\u4fe1\u53f7\u3002\u4e0e\u4e4b\u76f8\u5bf9\uff0c&quot;not-\u03b1&quot;IL-2\u66f4\u503e\u5411\u4e8e\u6269\u589eCD25<sup>&#8211;<\/sup>\u7684\u65c1\u89c2T\u7ec6\u80de\uff08bystander T cells\uff09\uff0c\u56e0\u6b64\u5e26\u6765\u7684\u6297\u80bf\u7624\u4f5c\u7528\u6709\u9650\u3002\u540c\u65f6\u5728\u5916\u5468\uff0c&quot;not-\u03b1&quot;IL-2\u80fd\u591f\u663e\u8457\u7684\u6269\u589e\u5916\u5468T\u7ec6\u80de\uff0c\u800c\u03b1-biased IL-2\u7a81\u53d8\u4f53\u5219\u66f4\u504f\u5411\u4e8e\u6269\u589e\u5916\u5468Treg\u7ec6\u80de\uff0c\u4ece\u800c\u51cf\u5c11IL-2\u5e26\u6765\u7684\u6bd2\u6027\u4f5c\u7528\u3002<\/li>\n<li>CD25\u4e0ePD-1\u5171\u8868\u8fbe\u4e8e\u80bf\u7624\u5185\u7684CD8\u7684\u4e00\u4e2a\u4e9a\u7fa4\u4e0a\uff08<span id=\"spanHghltedd0\">PD-1<\/span><sup>+<\/sup>CD25<sup>+<\/sup>CD8<sup>+<\/sup>\uff09\uff0c\u4e0ePD-1\u5355\u9633\u6027\u548c\u53cc\u9634\u6027\u7ec6\u80de\u53cc\u6bd4\u8f83\uff0c <span id=\"spanHghlt9baa\">PD-1<\/span><sup>+<\/sup>CD25<sup>+<\/sup>CD8<sup>+ <\/sup>T\u7ec6\u80de\u5c55\u73b0\u51fa\u66f4\u5f3a\u7684IL-2, IFN-\u03b3, TNF-\u03b1\u4ee5\u53caGZMB\u7b49\u7ec6\u80de\u56e0\u5b50\u5206\u6ccc\u3002CD25\u963b\u65ad\u6027\u6297\u4f53\u6216\u8005IL-2\u6297\u4f53\u53ef\u4ee5\u663e\u8457\u6291\u5236\u8fd9\u4e00\u4e9a\u7fa4\u7ec6\u80de\u7684\u589e\u6b96\uff0c\u4ece\u800c\u524a\u5f31PD-1\u6297\u4f53\u7684\u6297\u80bf\u7624\u6d3b\u6027\u3002<\/li>\n<\/ul>\n<p><b>\u672c\u6587\u7684\u901a\u8baf\u4f5c\u8005\uff0c\u4fe1\u8fbe\u751f\u7269\u5236\u836f\u96c6\u56e2\u9ad8\u7ea7\u603b\u76d1\u4f55\u5f00\u6770\u8868\u793a<\/b>\uff1a&quot;\u6211\u4eec\u975e\u5e38\u9ad8\u5174\u8fd9\u9879\u57fa\u7840\u7814\u7a76\u7684\u7ed3\u679c\u80fd\u591f\u88ab\u5b66\u672f\u540c\u4ec1\u8ba4\u53ef\u5e76\u53d1\u8868\u5728\u9ad8\u6c34\u5e73\u7684\u5b66\u672f\u671f\u520a\u4e0a\uff0c\u8fd9\u4e5f\u5f88\u597d\u7684\u4f53\u73b0\u4e86\u4fe1\u8fbe\u56fd\u6e05\u9662\u4e00\u76f4\u4ee5\u6765\u575a\u6301\u79d1\u7814\u521b\u65b0\u7684\u7406\u5ff5\u3002IL-2\u662f\u80bf\u7624\u514d\u75ab\u9886\u57df\u4e2d\u6700\u91cd\u8981\u7684\u7ec6\u80de\u56e0\u5b50\uff0c\u672c\u7814\u7a76\u7684\u521b\u65b0\u4e4b\u5904\u5728\u4e8e\u6211\u4eec\u63d0\u51fa\u4e86IL-2\u53d1\u6325\u6297\u80bf\u7624\u836f\u6548\u7684\u5168\u65b0\u4f5c\u7528\u673a\u5236\uff0c\u5e76\u6311\u6218\u4e86\u8fc7\u53bb20\u5e74\u5b66\u672f\u754c\u5e7f\u6cdb\u8ba4\u540c\u7684<span id=\"spanHghlt3ed9\">&#8216;<\/span>IL-2\u6559\u6761\u7406\u8bba (IL-2 dogma)<span id=\"spanHghlt5eef\">&#8216;<\/span>\uff0c\u4e3a\u8bbe\u8ba1\u66f4\u52a0\u5b89\u5168\u6709\u6548\u7684IL-2\u836f\u7269\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u540c\u65f6\uff0c\u672c\u7814\u7a76\u8fd8\u63d0\u51fa\u4e86\u4ee5<span id=\"spanHghlt3ed9\">&#8216;<\/span>IL-2 signature<span id=\"spanHghlt5eef\">&#8216;<\/span> 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\u4e0e&quot;not-\u03b1&quot;IL-2\u7a81\u53d8\u4f53\u76f8\u6bd4\u8f83\uff0c\u4fdd\u7559IL-2\u53d7\u4f53\u03b1 (CD25) \u7ed3\u5408\u6d3b\u6027\u7684\u03b1-biased IL-2\u7a81\u53d8\u4f53\u5728MC38\u3001CT26\u3001EMT6\u7b49\u5c0f\u9f20\u6a21\u578b\u4e2d\uff0c\u5c55\u73b0\u51fa\u66f4\u4f18\u79c0\u7684\u6297\u80bf\u7624\u6d3b\u6027\uff0c\u4e14\u6bd2\u6027\u66f4\u4f4e\uff1b \u5728\u80bf\u7624\u5185\uff0c\u03b1-biased IL-2\u7a81\u53d8\u4f53\u53ef\u4ee5\u66f4\u6709\u6548\u7684\u6fc0\u6d3b\u80bf\u7624\u7279\u5f02\u6027T\u7ec6\u80de\uff08tumor-specific T cells\uff0cTSTs\uff09\uff0c\u540cTreg\u7c7b\u4f3c\uff0c\u8fd9\u4e00\u7fa4TSTs\u540c\u6837\u9ad8\u8868\u8fbeCD25\uff0c\u4ece\u800c\u53ef\u4ee5\u66f4\u597d\u7684\u63a5\u6536\u5230\u03b1-biased IL-2\u7684\u4fe1\u53f7\u3002\u4e0e\u4e4b\u76f8\u5bf9\uff0c&quot;not-\u03b1&quot;IL-2\u66f4\u503e\u5411\u4e8e\u6269\u589eCD25&#8211;\u7684\u65c1\u89c2T\u7ec6\u80de\uff08bystander T 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