SincethestartofthedeadlyAIDSepidemicinthes,scientistshavebeenworkingtowardsacure.20ÊÀ¼Í80Äê´úÒÔÀ´£¬°¬×̲¡¿ªÊ¼Á÷ÐУ¬¿ÆÑ§¼ÒÃÇÒ»Ö±¶¼ÔÚŬÁ¦Ñ°ÕÒÖÎÁư취¡£
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ResearchershavedevelopedamethodtocuttheviralDNAfromapersonsinfectedcells.Ñо¿ÈËÔ±ÒѾÕÒµ½ÁËÒ»ÖÖ´Ó¸ÐȾϸ°ûÖÐÌÞ³ý²¡¶¾DNAµÄ°ì·¨£¬
ItiscalledCRISPR/Cas9anditmeansthepersoncouldbevirus-free.ר¼Ò³ÆÖ®ÎªCRISPR/Cas9»ùÒò¼ô¼¼¼Êõ£¬¸Ã¼¼ÊõÒâζ×Åϸ°û²»ÔÙÊܲ¡¶¾¸ÐȾ¡£
DNAisasubstancethatcarriesgeneticinformationinthecellsofanimalsandplants.DNAÊÇÖ¸¶¯Ö²Îïϸ°ûÖÐЯ´øÒÅ´«ÐÅÏ¢µÄÎïÖÊ¡£
Thisgene-editingtookplaceinascientificlab,buthasnotbeentestedonhumansyet.Ŀǰ£¬ÕâÏî»ùÒò¼ô¼¼¼ÊõÖ»ÔÚ¿ÆÑ§ÊµÑéÊÒÀï½øÐйý£¬ÉÐδ½øÐÐÁÙ´²²âÊÔ¡£
Itsabigstep,saidKamelKhalili,Ph.D.¿¨ÂõÀÕ¡¤¹þÀûÀû(KamelKhalili)²©Ê¿±íʾ£¬¡°ÕâÊÇ·ÉÔ¾ÐÔµÄÒ»²½¡£¡±
HeisleadresearcherandchairattheDepartmentofNeuroscienceatTempleUniversityinPhiladelphia,Pennsylvania.ËûÊDZöϦ·¨ÄáÑÇÖݷѳÇ̹ÆÕ¶û´óѧÉñ¾¿ÆÑ§ÏµµÄÊ×ϯÑо¿Ô±¼æÏµÖ÷ÈΡ£
Heandhisteammadethediscovery.´ËÏîÑо¿³É¹ûÊÇËûÓëÍŶӹ²Í¬·¢Ïֵġ£
ButmoretestshavetobedonetoknowifitwillbeacureforthemillionsofpatientsinfectedwiththeHIVvirus,whichcausesAIDS.ËüÄÜ·ñÖÎÁÆÊý°ÙÍò°¬×̲¡»¼Õߣ¬ÈÔÐè½øÐдóÁ¿²âÊÔ¡£
AntiretroviraldrugshavebeendoingagoodjobofkeepingtheAIDSvirusfromreproducing.¿¹Äæ×ªÂ¼Ò©ÎïÔÚ·ÀÖ¹°¬×̲¡¶¾ÔÙÉú·½ÃæÐ§¹ûÍ»³ö£¬
SuchagoodjobthatlevelsofHIVarejustaboutundetectableininfectedpeoplewhotakethemedicine.°¬×̲¡¸ÐȾÕß·þÓÃÕâÖÖÒ©Îïºó£¬¼¸ºõ¼ì²â²»µ½ÆäÌåÄڵݬ×̲¡¶¾¡£
Butevenwiththedrugs,thevirusstaysinthebodysT-cells,whichareT-lymphocytes.È»¶ø¼´Ê¹·þÓÃÁËÕâЩҩÎ²¡¶¾ÈÔ»áÍ£ÁôÔÚÈËÌåµÄTϸ°ûÄÚ£¬¼´TÁܰÍϸ°ûÖ®ÖС£
AIDSdamagestheimmunesystem,hurtingthebodysabilitytofightoffdisease.°¬×̲¡»áÆÆ»µÈËÌåÃâÒßϵͳ£¬½µµÍÈËÌåµÖ¿¹¼²²¡µÄÄÜÁ¦¡£
SothedrugsarekindofaBand-Aidsolution,Khaliliexplained.¹þÀûÀû²©Ê¿½âÊÍ˵£¬ÕâЩҩÎïÖ»ÄÜ˵ÊÇ¡°È¨ÒËÖ®¼Æ¡±¡£
Theykeepthevirusfromgrowing.ËüÃÇ¿ÉÒÔ·ÀÖ¹²¡¶¾ÖØÉú£¬
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And,themomentantiretroviraldrugsarestopped,theHIV北京治疗白癜风的最佳医�白癜风应该如何治�
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