目的:探讨过表达吲哚胺2,3双加氧酶(IDO)大鼠骨髓间充质干细胞(BMSCs)通过分泌外排体(exosome)抑制免疫排异反应机制研究。方法:通过慢病毒载体GV308携带IDO转染干细胞构建过表达IDOBMSCs体系并加入基因开启剂强力霉素(DOX)后采用SBI公司的ExoQuick-TC提取分泌的exosome。同时建立大鼠腹腔异位移植心脏模型,经尾静脉给予相应细胞分泌的exosome,利用超声心动图检测经注射过表达IDOBMSCs exosome(过表达IDO-BMSCs exosome组,A组)、空载体-BMSCs exosome(空载体-BMSCs exosome组,B组)、BMSCs exosome(BMSCs exosome组,C组)48h后移植心脏心功能变化,将移植未处理组、给予吗替麦考组作为对照。完成心脏彩超后取A组、B组、C组大鼠注射48h后的脾脏,采用流式细胞技术检测其CD40、CD86、CD80、MHCII、CD274、CD45RA、CD45RA+CD45RB、Treg细胞的表达情况,将移植未处理组、给予吗替麦考组及正常大鼠(正常组)脾脏细胞作为对照。进一步采用TMT标记定量蛋白质组学分析A组有关调节免疫排异的蛋白。结果:A组的LVEF、FS较其他各组有提高;采用流式细胞技术证实其CD40、CD86、CD80、MHCII、CD45RA、CD45RA+CD45RB表达降低,而CD274、Treg细胞的表达增高。蛋白质谱示:Four and a half lim domains 1蛋白为调节免疫排异反应的关键蛋白。结论:采用TMT标记过表达IDO-BMSCs分泌exosome内蛋白,Four and a half lim domains 1蛋白为调节免疫排异反应的关键蛋白。
This is a continuity of a series of taxonomic and phylogenetic papers on the fungi where materials were collected from many countries,examined and *** addition to extensive morphological descriptions and appropriate a...
详细信息
This is a continuity of a series of taxonomic and phylogenetic papers on the fungi where materials were collected from many countries,examined and *** addition to extensive morphological descriptions and appropriate asexual and sexual connections,DNA sequence data are also analysed from concatenated datasets to infer phylogenetic relationships and substantiate systematic positions of taxa within appropriate ***ever new species or combinations are proposed,we apply an integrative approach using morphological and molecular data as well as ecological features wherever *** on 112 fungal taxa are compiled in this paper including Biatriosporaceae and Roussoellaceae,Didysimulans ***.,81 new species,18 new host records and new country records,five reference specimens,two new combinations,and three sexual and asexual morph *** new species are Amanita cornelii,***,Angustimassarina alni,***,***,***,***,Ascochyta italica,***,Austroboletus appendiculatus,Barriopsis thailandica,Berkleasmium ariense,Calophoma petasitis,Camarosporium laburnicola,***,***,***,***,Colletotrichum sambucicola,Coprinopsis cerkezii,Cytospora gelida,Dacrymyces chiangraiensis,Didysimulans italica,***,Entodesmium italica,Entoloma magnum,Evlachovaea indica,Exophiala italica,Favolus gracilisporus,Femsjonia monospora,Fomitopsis flabellata,***,Gongronella brasiliensis,Helvella crispoides,Hermatomyces chiangmaiensis,***nae,Hysterium centramurum,Inflatispora caryotae,Inocybe brunneosquamulosa,***,***,Keissleriella cirsii,Lepiota cylindrocystidia,***,***,Lophiotrema guttulata,Marasmius luculentus,Morenoina calamicola,Moelleriella thanathonensis,Mucor stercorarius,Myrmecridium fluviae,Myrothecium septentrionale,Neosetophoma garethjonesii,Nigrograna cangshanensis,Nodulosphaeria guttulatum,***tata,***,Panus subf
暂无评论