{"id":25501,"date":"2025-05-11T10:51:54","date_gmt":"2025-05-11T02:51:54","guid":{"rendered":"https:\/\/pi-union.com\/?p=25501"},"modified":"2025-05-15T18:00:33","modified_gmt":"2025-05-15T10:00:33","slug":"%e9%a3%9b%e5%90%91%e6%98%9f%e8%be%b0-%e5%a4%aa%e7%a9%ba%e4%b8%ad%e7%9a%84%e7%ab%af%e7%b2%92%e6%8e%a2%e7%b4%a2%ef%bc%81","status":"publish","type":"post","link":"https:\/\/pi-union.com\/en\/2025\/05\/11\/%e9%a3%9b%e5%90%91%e6%98%9f%e8%be%b0-%e5%a4%aa%e7%a9%ba%e4%b8%ad%e7%9a%84%e7%ab%af%e7%b2%92%e6%8e%a2%e7%b4%a2%ef%bc%81\/","title":{"rendered":"\u98db\u5411\u661f\u8fb0\u2014\u2014\u592a\u7a7a\u4e2d\u7684\u7aef\u7c92\u63a2\u7d22\uff01"},"content":{"rendered":"

\u98db\u5411\u661f\u8fb0<\/strong>\u2014\u2014<\/strong>\u592a\u7a7a\u4e2d\u7684\u7aef\u7c92\u63a2\u7d22\uff01<\/strong><\/p>\n\n\n\n

Susan M Bailey, et al.<\/p>\n\n\n\n

Int J Radiat Biol.<\/em> 2022;98(3):395-403.<\/p>\n\n\n\n

\u76ee\u7684\uff1a<\/strong><\/p>\n\n\n\n

\u6211\u7684\u8ffd\u661f\u65c5\u7a0b\u59cb\u65bc\u7576\u6211\u548c\u5168\u4e16\u754c\u4e00\u8d77\u975c\u6b62\u4e0d\u52d5\uff0c\u89c0\u770b\u5c3c\u723e\u00b7\u963f\u59c6\u65af\u58ef(Neil Armstrong)\u8e0f\u4e0a\u6708\u7403\u7684\u90a3\u4e00\u5c0f\u6b65\u3002<\/p>\n\n\n\n

\u6642\u9593\u5feb\u903250\u5e74\uff0cNASA\u592a\u7a7a\u4ebaScott Kelly\u548cChristina Koch\u5404\u81ea\u5728\u570b\u969b\u592a\u7a7a\u7ad9\uff08International Space Station, ISS\uff09\u4e0a\u5ea6\u904e\u4e86\u8fd1\u4e00\u5e74\u7684\u592a\u7a7a\u751f\u6d3b\u3002ISS\u662f\u4e00\u500b\u975e\u51e1\u7684\u591a\u570b\u5408\u4f5c\u9805\u76ee\uff0c\u4e5f\u662f\u7f8e\u570b\u570b\u5bb6\u5be6\u9a57\u5ba4\u7684\u6f02\u6d6e\u57fa\u5730\uff0c\u904e\u53bb20\u5e74\u4f86\u4e00\u76f4\u652f\u6301\u4eba\u985e\u5728\u4f4e\u5730\u7403\u8ecc\u9053(low Earth orbit)\u7684\u6301\u7e8c\u5b58\u5728\u3002<\/p>\n\n\n\n

\u6a19\u8a8c\u8457\u4eba\u985e\u592a\u7a7a\u63a2\u7d22\u65b0\u6642\u4ee3\u7684\u5230\u4f86\uff0c\u9996\u8258\u5546\u696d\u706b\u7badSpaceX Falcon 9\u6700\u8fd1\u5c07NASA\u592a\u7a7a\u4ebaDoug Hurley\u548cBob Behnken\u4e58\u5750\u592a\u7a7a\u8239–\u9f8d\u98db\u8239(Crew Dragon)\u300c\u596e\u9032\u865f\u300d(Endeavor)\u9001\u5f80ISS\u4e26\u5b89\u5168\u8fd4\u56de\u5730\u7403\u3002<\/p>\n\n\n\n

NASA\u548c\u5176\u5546\u696d\u5408\u4f5c\u5925\u4f34\u6b63\u5728\u8fc5\u901f\u63a8\u9032\u5275\u65b0\u592a\u7a7a\u6280\u8853\uff0c\u4e26\u4e14\u6700\u8fd1\u5ba3\u5e03\u7684Artemis\u592a\u7a7a\u4eba\u5718\u968a\u8a08\u5283\u57282030\u5e74\u4ee5\u524d\u5c07\u9996\u4f4d\u5973\u6027\u548c\u4e0b\u4e00\u4f4d\u7537\u6027\u9001\u4e0a\u6708\u7403\uff0c\u4e26\u5efa\u7acb\u53ef\u6301\u7e8c\u7684\u63a2\u7d22\u3002\u5c46\u6642\uff0c\u4eba\u985e\u5c07\u6e96\u5099\u597d\u9081\u51fa\u4e0b\u4e00\u500b\u5de8\u5927\u7684\u4e00\u6b65\u2014\u2014\u958b\u5275\u4eba\u985e\u5c0d\u706b\u661f\u7684\u63a2\u7d22\u3002<\/p>\n\n\n\n

\u7d50\u8ad6\uff1a<\/strong><\/p>\n\n\n\n

\u6b77\u53f2\u4e0a\uff0c\u53c3\u8207\u592a\u7a7a\u98db\u884c\u7684\u4e0d\u5230600\u4eba\uff0c\u5176\u4e2d\u7d55\u5927\u591a\u6578\u662f\u53c3\u8207\u77ed\u671f\u4efb\u52d9\uff08\u5c11\u65bc20\u5929\uff09\u7684\u4e2d\u5e74\u7537\u6027\uff0835-55\u6b72\uff09\u3002\u56e0\u6b64\uff0c\u96a8\u8457\u592a\u7a7a\u65c5\u884c\u4eba\u6578\u548c\u591a\u6a23\u6027\u7684\u589e\u52a0\uff0c\u6df1\u5165\u4e86\u89e3\u9577\u671f\u592a\u7a7a\u98db\u884c\u5c0d\u4eba\u985e\u5065\u5eb7\u7684\u5f71\u97ff\u5c0d\u65bc\u5728\u672a\u4f86\u63a2\u7d22\u4efb\u52d9\u4e2d\u7dad\u6301\u500b\u5225\u592a\u7a7a\u4eba\u8868\u73fe\u4ee5\u53ca\u6539\u5584\u75be\u75c5\u548c\u8001\u5316\u9032\u7a0b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n

\u672c\u6587\u56de\u9867\u4e86\u6211\u5011NASA\u96d9\u80de\u80ce\u7814\u7a76\u548c\u7aef\u7c92\u8abf\u67e5\u7684\u7d50\u679c\uff0c\u5f37\u8abf\u9577\u671f\u592a\u7a7a\u98db\u884c\u4e2d\u6162\u6027\u592a\u7a7a\u8f3b\u5c04\u66b4\u9732\u5728\u7aef\u7c92\u9577\u5ea6\u8b8a\u5316\u548c\u6301\u7e8c<\/strong>DNA<\/strong>\u640d\u50b7<\/strong>\u53cd\u61c9\u4e2d\u7684\u6f5b\u5728\u6a5f\u5236\u6027\u4f5c\u7528\u3002<\/p>\n\n\n\n

\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u524d\u5217\u817a\u764c\u60a3\u8005\u5728\u63a5\u53d7\u5f37\u5ea6\u8abf\u7bc0\u653e\u5c04\u6cbb\u7642\uff08intensity-modulated radiation therapy, IMRT\uff09\u671f\u9593\u4e5f\u89c0\u5bdf\u5230\u4e86\u985e\u4f3c\u8da8\u52e2\uff0c\u9032\u4e00\u6b65\u652f\u6301\u4e86\u8f3b\u5c04\u66b4\u9732\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n

\u5169\u500b\u7fa4\u9ad4\u4e2d\u90fd\u89c0\u5bdf\u5230\u4e86\u500b\u9ad4\u5dee\u7570\uff0c\u9019\u7a81\u986f\u4e86\u958b\u767c\u500b\u6027\u5316\u65b9\u6cd5\u4ee5\u8a55\u4f30\u8207\u8f3b\u5c04\u66b4\u9732\u76f8\u95dc\u7684\u4eba\u985e\u5065\u5eb7\u5f71\u97ff\u548c\u9577\u671f\u7d50\u679c\u7684\u91cd\u8981\u6027\uff0c\u7121\u8ad6\u662f\u5728\u5730\u7403\u4e0a\u9084\u662f\u751f\u6d3b\u5728\u592a\u7a7a\u9019\u4e00\u6975\u7aef\u74b0\u5883\u4e2d\u3002<\/p>\n\n\n\n

\n\n\n\n

\u9019\u7bc7\u7531Susan M Bailey\u7b49\u4eba\u767c\u8868\u65bc2022\u5e74\u7684\u6587\u7ae0\u300a\u98db\u5411\u661f\u8fb0\u2014\u2014\u592a\u7a7a\u4e2d\u7684\u7aef\u7c92\u63a2\u7d22\u300b\u805a\u7126\u65bc\u9577\u671f\u592a\u7a7a\u98db\u884c\u5c0d\u4eba\u985e\u7d30\u80de\u8001\u5316\u8207\u5065\u5eb7\u7684\u6df1\u9060\u5f71\u97ff\uff0c\u7279\u5225\u662f\u7aef\u7c92\u9577\u5ea6\u7684\u8b8a\u5316\u8207DNA\u640d\u50b7\u53cd\u61c9\u3002\u7814\u7a76\u80cc\u666f\u7d50\u5408\u4e86NASA\u96d9\u80de\u80ce\u7814\u7a76\u7684\u7368\u7279\u8cc7\u6599\uff0c\u4e26\u5c07\u592a\u7a7a\u4e2d\u8f3b\u5c04\u66b4\u9732\u7684\u751f\u7269\u6548\u61c9\u8207\u5730\u7403\u4e0a\u63a5\u53d7\u653e\u5c04\u6cbb\u7642\u7684\u764c\u75c7\u60a3\u8005\u9032\u884c\u6bd4\u8f03\uff0c\u7a81\u986f\u4e86\u8f3b\u5c04\u5c0d\u7aef\u7c92\u548cDNA\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u4f5c\u7528\u3002<\/p>\n\n\n\n

    \n
  1. \u7814\u7a76\u610f\u7fa9\u8207\u524d\u77bb\u6027<\/strong>
    \u672c\u6587\u5c0d\u65bc\u5373\u5c07\u9032\u5165\u592a\u7a7a\u63a2\u7d22\u6642\u4ee3\u7684\u4eba\u985e\u5065\u5eb7\u554f\u984c\u63d0\u4f9b\u4e86\u91cd\u8981\u898b\u89e3\u3002\u96a8\u8457NASA\u548c\u5546\u696d\u592a\u7a7a\u516c\u53f8\u7684\u6301\u7e8c\u63a8\u9032\uff0c\u4eba\u985e\u5c07\u9032\u884c\u66f4\u9577\u6642\u9593\u3001\u66f4\u9060\u8ddd\u96e2\u7684\u592a\u7a7a\u4efb\u52d9\u3002\u4e86\u89e3\u8f3b\u5c04\u5982\u4f55\u5f71\u97ff\u7aef\u7c92\u52d5\u614b\u548c\u7d30\u80de\u8001\u5316\uff0c\u5c0d\u65bc\u4fdd\u969c\u592a\u7a7a\u4eba\u8eab\u5fc3\u5065\u5eb7\u53ca\u5ef6\u7de9\u8001\u5316\u5177\u6709\u5be6\u969b\u4e14\u6df1\u9060\u7684\u610f\u7fa9\u3002<\/li>\n\n\n\n
  2. \u8de8\u9818\u57df\u7684\u6bd4\u8f03\u7814\u7a76\u65b9\u6cd5<\/strong>
    \u6587\u7ae0\u5de7\u5999\u5730\u5c07\u592a\u7a7a\u8f3b\u5c04\u66b4\u9732\u8207\u5730\u9762\u5f37\u5ea6\u8abf\u7bc0\u653e\u5c04\u6cbb\u7642\u60a3\u8005\u7684\u7aef\u7c92\u8b8a\u5316\u9032\u884c\u5c0d\u6bd4\uff0c\u5c55\u793a\u4e86\u8f3b\u5c04\u5c0d\u4eba\u9ad4\u7d30\u80de\u7684\u76f8\u4f3c\u5f71\u97ff\u3002\u9019\u7a2e\u8de8\u9818\u57df\u7684\u6bd4\u8f03\u4e0d\u50c5\u8c50\u5bcc\u4e86\u7814\u7a76\u7684\u79d1\u5b78\u6df1\u5ea6\uff0c\u4e5f\u70ba\u672a\u4f86\u8f3b\u5c04\u751f\u7269\u5b78\u8207\u500b\u6027\u5316\u91ab\u7642\u63d0\u4f9b\u4e86\u555f\u793a\u3002<\/li>\n\n\n\n
  3. \u500b\u9ad4\u5dee\u7570\u7684\u91cd\u8981\u6027<\/strong>
    \u7814\u7a76\u4e2d\u5f37\u8abf\u4e0d\u540c\u500b\u9ad4\u5728\u7aef\u7c92\u53cd\u61c9\u548cDNA\u640d\u50b7\u4e0a\u7684\u5dee\u7570\uff0c\u63d0\u9192\u6211\u5011\u672a\u4f86\u61c9\u81f4\u529b\u65bc\u767c\u5c55\u500b\u6027\u5316\u5065\u5eb7\u7ba1\u7406\u7b56\u7565\u3002\u9019\u5c0d\u65bc\u592a\u7a7a\u4eba\u9078\u62d4\u3001\u4efb\u52d9\u898f\u5283\u4ee5\u53ca\u5730\u7403\u8f3b\u5c04\u76f8\u95dc\u75be\u75c5\u7684\u6cbb\u7642\u65b9\u6848\u8a2d\u8a08\u5747\u5177\u6709\u6307\u5c0e\u50f9\u503c\u3002<\/li>\n\n\n\n
  4. \u672a\u4f86\u6311\u6230\u8207\u65b9\u5411<\/strong>
    \u6587\u7ae0\u6307\u51fa\uff0c\u76ee\u524d\u592a\u7a7a\u98db\u884c\u7814\u7a76\u7684\u6a23\u672c\u91cf\u6709\u9650\uff0c\u4e14\u591a\u70ba\u4e2d\u5e74\u7537\u6027\uff0c\u672a\u4f86\u96a8\u8457\u592a\u7a7a\u4efb\u52d9\u7684\u591a\u5143\u5316\uff0c\u9700\u6db5\u84cb\u4e0d\u540c\u6027\u5225\u3001\u5e74\u9f61\u8207\u65cf\u7fa4\u3002\u9019\u4e0d\u50c5\u63d0\u5347\u7814\u7a76\u4ee3\u8868\u6027\uff0c\u4e5f\u5229\u65bc\u5168\u9762\u8a55\u4f30\u9577\u671f\u592a\u7a7a\u751f\u6d3b\u5c0d\u4eba\u9ad4\u7684\u5f71\u97ff\u3002\u6b64\u5916\uff0c\u5982\u4f55\u5c07\u7aef\u7c92\u4fdd\u8b77\u8207DNA\u4fee\u5fa9\u6280\u8853\u61c9\u7528\u65bc\u592a\u7a7a\u91ab\u7642\uff0c\u5c07\u662f\u672a\u4f86\u7814\u7a76\u7684\u91cd\u8981\u8ab2\u984c\u3002<\/li>\n<\/ol>\n\n\n\n
    \u7e3d\u7d50\uff1a<\/h5>\n\n\n\n

    \u9019\u7bc7\u6587\u7ae0\u63d0\u4f9b\u4e86\u6975\u5177\u524d\u77bb\u6027\u7684\u592a\u7a7a\u5065\u5eb7\u751f\u7269\u6a19\u8a18\u7814\u7a76\uff0c\u70ba\u592a\u7a7a\u91ab\u5b78\u53ca\u8f3b\u5c04\u751f\u7269\u5b78\u9818\u57df\u67b6\u8d77\u6a4b\u6a11\u3002\u96a8\u8457\u4eba\u985e\u63a2\u7d22\u706b\u661f\u53ca\u66f4\u9060\u592a\u7a7a\u7684\u5922\u60f3\u9010\u6b65\u6210\u771f\uff0c\u6df1\u5165\u7406\u89e3\u7aef\u7c92\u8207DNA\u640d\u50b7\u7684\u6a5f\u5236\u53ca\u5176\u500b\u9ad4\u5dee\u7570\uff0c\u5c07\u662f\u4fdd\u969c\u592a\u7a7a\u4eba\u5065\u5eb7\u8207\u4efb\u52d9\u6210\u529f\u7684\u95dc\u9375\u3002\u8a72\u7814\u7a76\u4e0d\u50c5\u70ba\u592a\u7a7a\u63a2\u7d22\u63d0\u4f9b\u79d1\u5b78\u4f9d\u64da\uff0c\u4e5f\u5c0d\u5730\u7403\u4e0a\u7684\u8f3b\u5c04\u9632\u8b77\u548c\u8001\u5316\u76f8\u95dc\u75be\u75c5\u6cbb\u7642\u7522\u751f\u7a4d\u6975\u5f71\u97ff\u3002<\/p>\n\n\n\n

    \n\n\n\n

    Source: <\/p>\n\n\n\n

    Ad Astra – telomeres in space!<\/strong><\/a><\/p>\n\n\n\n

    Translator and Reviewer: PI-Union Medical Science Ltd.<\/a><\/strong><\/p>\n\n\n\n

    \u7de8\u8b6f\u8207\u8a55\u8ad6: \u767e\u806f\u91ab\u5b78\u7de8\u8b6f<\/a><\/strong><\/p>\n\n\n\n