A new subset of T helper namely T helper x (Thx) was differentiated ex vivo from spleens by primary activation with α-CD3 and α-CD28 and later differentiated in the presence of α-IL-4, α-IFN and α-IL-12. Thx cell...A new subset of T helper namely T helper x (Thx) was differentiated ex vivo from spleens by primary activation with α-CD3 and α-CD28 and later differentiated in the presence of α-IL-4, α-IFN and α-IL-12. Thx cells exhibit characteristic cell surface markers and intracellular cytokines patterns. These cells are extremely sensitive to reactivation-induced apoptosis. We further compared death pathways in all the T Helper cells that we had differentiated and found that Thl cells exhibited a Fas-FasL/ caspase dependent apoptotic pathway, Th2 cells died by a pathway independent of Fas/FasL and caspase 8. α-FasL antibody, ZVAD and TR6 were able to rescue Th1 cells from apoptosis confirming that Thl cells die展开更多
九十年代,家庭影院风靡全球,在我国,家庭影院热也在不断升温,因而THX家庭影院扬声器系统越来越受到人们的关注。本文介绍国外六款优秀的THX扬声器系统,它们都是美国《国际声频视频》杂志(Audio Video Interna-tional)评选的1995年获Hi...九十年代,家庭影院风靡全球,在我国,家庭影院热也在不断升温,因而THX家庭影院扬声器系统越来越受到人们的关注。本文介绍国外六款优秀的THX扬声器系统,它们都是美国《国际声频视频》杂志(Audio Video Interna-tional)评选的1995年获Hi—Fi大奖的产品。这些产品性能优良,风格独特,外形华丽,声音完美,所有音箱均为全防磁设计,堪称能逼真重现电影院的音响气势的扬声器系统。 1.THX Cinema Series扬声器系统(5750美元) 这种由英国B& W公司生产的THX系统曾在1995年连续第三年获Hi—Fi大奖。它不但性能优良,而且外貌独特。该系统的前置影院监听扬声器(1000美元/个)使用三个D’Apoli-展开更多
文摘A new subset of T helper namely T helper x (Thx) was differentiated ex vivo from spleens by primary activation with α-CD3 and α-CD28 and later differentiated in the presence of α-IL-4, α-IFN and α-IL-12. Thx cells exhibit characteristic cell surface markers and intracellular cytokines patterns. These cells are extremely sensitive to reactivation-induced apoptosis. We further compared death pathways in all the T Helper cells that we had differentiated and found that Thl cells exhibited a Fas-FasL/ caspase dependent apoptotic pathway, Th2 cells died by a pathway independent of Fas/FasL and caspase 8. α-FasL antibody, ZVAD and TR6 were able to rescue Th1 cells from apoptosis confirming that Thl cells die