|
|
¡ï ¡ï ¡ï ¡ï Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷ kidant(½ð±Ò+3):лл»ØÌû½»Á÷ 2010-12-21 13:03:03
תһ¸ö´ËÌùºÃÍæµÄ»Ø¸´£ºhttp://news.dxy.cn/bbs/thread/19 ... &ppg=1#19025125
1
Õâ¸ö»¼ÕßÓ¦¸ÃÊÇÔÚ2007Äê2Ô½ÓÊÜÖÎÁÆ£¬2008Äê11ÔÂÓÐËù±¨µÀ
Doctors say marrow transplant may have cured AIDS By PATRICK McGROARTY 2008-11-13 13:57
http://news.dxy.cn/bbs/thread/13214179?&keywords=CCR5
ÔÚ2009Äê2ÔµÄÐÂÓ¢¸ñÀ¼ÉϽøÐв¡°¸±¨µÀ¡£
Long-Term Control of HIV by CCR5 Delta32/Delta32 Stem-Cell Transplantation
N Engl J Med 2009; 360:692-698February 12, 2009
http://www.nejm.org/doi/full/10.1056/NEJMoa0802905#t=article
2010Äêµ×Õâ´ÎÊǸüеĽøÕ¹½á¹û
2
Gero H¨¹tterÕâ¸öÈËȷʵ±È½ÏÅ£¡£ÒªÖªµÀ£¬ÏÖÔÚCCR5»ùÒò±äÒìµÈµÈÒѾ³ÉΪÑо¿µÄÈȵ㣬¶øÔÚ2007Ä꣬ѾµÄÃæ¶ÔÒ»¸ö°¬×Ì+¼±ÐÔËèϵ°×Ѫ²¡£¨M4)µÄ²¡È˾ÍÓ²ÊÇÄÜÏ뵽ʮÄêǰµÄÒ»¸ö±¨¸æ£¬
ÒªÖªµÀËûÊÇѪҺѧ¼Ò£¬²»ÊÇÃâÒßѧ¼Ò¡£¿´À´µÂ¹ú°ØÁÖÏÄÈðµÙҽѧԺ£¨Charit¨¦ Universit?tsmedizin£©ÊDZȽÏÅ£µÄµØ·½¡£ÎÒÏëÆðÀ´µ±ÄêÀÏʦ½²HIV1£¬Î¨Ò»µÄ»ØÒä¾ÍʣϽÌÊÒºÃůºÍ£¬Ë¯µÃºÃÊæ·þ~~~ = = b
˵·þ»¼ÕßÕâ¸ö±È½ÏÈÝÒ×£¬¼±ÐÔËèϵ°×Ѫ²¡£¨M4)ÓÃHAART·½°¸»¯Áƺó¸ÎÒ©¶¾+ÉöË¥£¬¼±ÐÔËèϵ°×Ѫ²¡¸´È¼Íâ¼Ó°¬×̲¡ÃâÒßÒÖÖÆ¡£Ê²Ã´·½°¸ÎÒ¹À¼ÆËý¶¼»á½ÓÊÜ¡£ËÀÂíµ±×ö»îÂíÒ½ÁË¡£Ôڵ¹ú¹ÇËè¾èÏ×ÖÐÐÄΪÕâÃû²¡ÈËÕÒµ½ÁË80¸öºÏÊʵÄÅäÐÍ£¬ÆäÖÐ61ºÅ¹ÇËè¾èÏ×Õß±»Ö¤Êµ¾ßÓÐÕâÖÖCCR5±äÒì¡£
²»ÂÛÒ½Éú»¹ÊÇ»¼Õߣ¬¶¼ÊÇÈËÆ·±¬·¢°¡ÈËÆ·±¬·¢¡£
ÒªÖªµÀCCR5±äÒì*¹ÇËèÅäÐ͸ÅÂÊ*¹ÇËèÒÆÖ²3ÄêÎÞ²¡Éú´æÂÊ=£¿
Òì»ùÒòÅäÐ͵ÄÏàºÏµÄ¸ÅÂÊÔÚ1/100000
CCR5Å·ÖÞ±äÒìÂÊ 10.3%
¼±ÐÔËèϵ°×Ѫ²¡ÒìÌå¹ÇËèÒÆÖ²ÎÞ²¡Éú´æÂÊ50%
¿´Á˲»¸ÒÏàÐÅ£¿ÕæµÄ£¬´Ë»¼ÕßµÄʵ¼ÊÉú´æÂʱ¾À´ÕæµÄÊǵÍÓÚǧÍò·ÖÖ®Îå¡£
5.0 ¡Á 10-7 ......Õâ¼òÖ±ÊÇÉϵÛÖ®ÊÖ~~ÈÃÎÒÃǺúÿ´¿´Õâ¸ö±»Éϵ۴¹ÇàµÄÒ½ÉúH¨¹tter£¬
3¡¢CCR5ÊÇϸ°ûĤ±íÃæCD4µÄÐÖúÊÜÌå¡£ËüµÄ±äÒìµ¼ÖÂHIVÎÞ·¨Í¨¹ýCD4½éµ¼½øÈëÃâÒßϸ°ûÄÚ²¿¡£CCR5{Delta}32/{Delta}32ÊÇCCR5µÄÍ»±äÌå¡£Ëü¶à¼ûÓÚ°×ÈË£¨10.3~22.4%£©£¬ÑÇÖÞÈ˺ͺÚÈ˷dz£ÉÙ¼û£¨ÖйúÈËȺ CCR5¦¤32»ùÒòƽ¾ùÍ»±äÂÊԼΪ0.2%£©¡£ÈËÃÇÈÏΪCCR5-¦¤32Í»±äµÄÖÖÈºÌØÒâÐÔÊÇÒòΪŷÖÞÔø¾Óм¸´Î´óµÄÒßÇ鱩·¢µÄ×ÔȻѡÔñ½á¹û£¬¾ßÌåÊÇʲô¼²²¡£¬¾Í²»ÖªµÀÁË¡£ÓÐÈË˵ÊÇÊóÒߣ¨plague£©ºÚËÀ²¡£¬ÒòΪÕâ¸ö»ùÒòÍ»±äÔÚEyamÕâ¸öÔø¾ºÚËÀ²¡×îÑÏÖØµÄµØ·½×î³£¼û¡£Ò²ÓкܶàµÄ·´¶ÔÒâ¼û¡£×î½üµÄ¿´·¨ÊÇÌ컨£¨smallpox£©.
²»¹ÜÄÄÒ»¸ö×ÔȻѡÔñµÄÍ»±ä£¬±³ºó¶¼ÊÇ´¥Ä¿¾ªÐĵÄËÀÍö¡£×ÔÈ»·¨ÔòÊDz»±äµÄ£¬¿ìËÀ£¿»¹ÊÇÀµ»î×Å£¿ºÍ·ÇÖÞºÚ¸çÃǵÄÇé¿öÀàËÆ£¬ÄÇЩÁ×´ºìѪÇòÍ»±ä»ùÒò°ïÖúÈËÃǵֿ¹Å±¼²¡£ÄÒÐÔÏËά»¯µÄÍ»±ä»ùÒòÈøÐȾ»ôÂÒÖ®ºóµÄµ¹Ã¹µ°²»ÈÝÒ×ÍÑË®¶øÍö¡£µ±ÄêÄÇЩ´ÓÊóÔéÌ컨ËÀÈ˶ÑÀïÃæÅÀ³öÀ´µÄ¿ÉÁ¯Å·ÖÞÈË£¬¿ÉÄÜûÓÐÏëµ½£¬¼¸°ÙÄêºóµÄ½ñÌ죬Èõ±ÄêËûÃÇ»îÏÂÀ´µÄ¶«Î÷ÓÖ¾ÈÁËËûÃǺó´úÒ»Ãü¡£
4
»»¸ö½Ç¶È¿´ÊÀ½ç£¬¼ÈÈ»ÎÒÃÇÎÞ·¨Ö¸ÍûÑÇÖÞÈ˺ͷÇÖÞÈËÓÐÄÇô¶àCCR5Í»±äµÄÐÒÔ˶ù£¬ÄÇÎÒÃÇÄÜ·ñ´ÓÈËΪ×è¶ÏCCR5ÐͬЧӦÈëÊÖ£¿ÈºÖÚÓкô»½£¬Ò©³§ÓÐÑз¢£¬maraviroc£¬»ÔÈðÑз¢µÄCCR5 ÒÖÖÆ¼ÁÒѱ»Åú×¼ÔÚÃÀ¹úºÍÅ·ÖÞʹÓá£ÆäËû¹«Ë¾ÔòæÓÚÑз¢¸ü½øÒ»²½µÄ°ÐÏòCCR5µÄÒ©Æ·¡£
ÕâÑù¾ÍÒ»±¾ÍòÀûÁËô£¿²»ÐÒµÄÊÇ£¬maraviroc ²¢²»ÄÜÍêÈ«×èÖ¹°¬×̲¡¶¾°ó¶¨µ½CCR5£¬¶øÇÒÕâÖÖÒ©µÃÓëÆäËü¿¹Äæ×ªÂ¼²¡¶¾Ò©Æ·Ò»Æð×éºÏʹÓá£Riley±íʾ£º¡°»ù±¾Éϰ¬×̲¡¶¾ÄÜÕÒµ½Ò»Ð©·½·¨ÈƹýÒ©Îï¶ø¼ÌÐøÀûÓÃCCR5¡±£¬Ëû»¹²¹³ä˵£¬°¬×̲¡¶¾¿ÉÄÜÄÜ»÷°ÜÒÖÖÆÒ©Î»òÕßÄܰ󶨵½CCR5µÄÆäËû²¿·Ö£¬¶øÒ©ÎïÈ´²»ÐС£
¿´À´Þ׿¹¼ÁµÄ½áºÏλµã»¹ÓдýÍêÉÆ¡£ÓÐûÓÐÆäËû˼·£¿ÆäËûÑо¿ÈËÔ±ÕýÔÚÊÔÑé»ùÒòÁÆ·¨À´ÍêÈ«×èÖ¹CCR5µÄ²úÉú¡£±ÈÈ磬Riley¹ýÈ¥ÔøÓëÒ»¼Ò³ÆÎªSangamo BioSciencesµÄÉúÎï¼¼Êõ¹«Ë¾ºÏ×÷£¬ÒÔÈ·¶¨¸Ã¹«Ë¾Ò»ÖÖÓÃÓÚÇóýÄ¿±ê»ùÒòµÄ¼¼ÊõÊÇ·ñÄÜÓÃÓÚÇóýCCR5»ùÒò¡£Sangamo¹«Ë¾Ðû²¼£¬¹«Ë¾ÒѾ¿ªÊ¼ÁÙ´²IÆÚÊÔÑ飬ÕâÒ»ÊÔÑ齫°üÀ¨ÒƳö²ÎÓëÕßTϸ°ûµÄÒ»¸öÑù±¾£¬ÇóýCCR5»ùÒò£¬²¢ÇÒ×îºó½«ÕâÒ»¸Ä¶¯¹ýµÄϸ°ûÖØÐÂ×¢È벡ÈËÌåÄÚ¡£ÕâÒ»ÊÔÑéÊǸãÇå¸ÃÀ༼Êõ°²È«ÐÔ¶ø·ÇÁÆÐ§µÄµÚÒ»²½£¬²¢ÇÒ²ÎÓëÕßµÄδÊܸ͝µÄTϸ°û½«²»»á±»´Ý»Ù¡£
½á¾ÖÈçºÎ£¿ÉÐÇÒδ֪¡£ÔÚ³¾°£Â䶨֮ǰ£¬ÄãÎÒ»¹ÊǽàÉí×Ժã¬×¢Òâ±£»¤×Ô¼º£¬Ô¶ÀëHIV·½ÎªÉϲߡ£
REFERENCE
Science 27 September 1996:Genetic Restriction of HIV-1 Infection and Progression to AIDS by a Deletion Allele of the CKR5 Structural Gene
http://www.sciencemag.org/content/273/5283/1856.full.pdf
A Doctor, a Mutation and a Potential Cure for AIDS
http://online.wsj.com/article/SB122602394113507555.html
CCR5-Delta32 mutation is strongly associated with primary sclerosing cholangitis
http://www.nature.com/gene/journal/v5/n6/pdf/6364113a.pdf
Gero H¨¹tter
http://en.wikipedia.org/wiki/Gero_H%C3%BCtter
CCR5-delta 32 and the plague
http://www.thetech.org/genetics/ask.php?id=10
The Black Death and AIDS: CCR5-¦¤32 in genetics and history
http://qjmed.oxfordjournals.org/content/99/8/497.full.pdf+html
The Evolving Genetics of HIV Can genes stop HIV? by Dr. Robin Kimmel, Stanford University
http://www.thetech.org/genetics/news.php?id=13
Did the End of Smallpox Vaccination Cause the Explosive Spread of HIV?
http://www.sciencedaily.com/releases/2010/05/100517204405.htm
http://news.dxy.cn/bbs/thread/17230518?&keywords=CCR5
Genotyping of CCR5 Alleles.
Polymerase-chain-reaction (PCR) assays reveal the genotyping patterns of different CCR5 alleles and the phenotype of the HIV-1 envelope. Amplification of the homozygous wild-type allele (CCR5+/+) results in a single band of 200 bp. The sample that is homozygous for the CCR5 delta32 allele (CCR5 delta32/delta32) produces a single band of 168 bp. Before stem-cell transplantation (SCT), the patient had a heterozygous genotype (CCR5+/delta32); after transplantation, with ongoing engraftment, the genotype changed to CCR5 delta32/delta32. Samples containing heterozygous alleles produce both bands, plus an additional third band that may be an artifact arising from secondary structures of PCR products. |
|