Page 74 - 南京医科大学学报自然科学版
P. 74

第41卷第9期
               ·1340 ·                           南 京    医 科 大 学 学         报                        2021年9月


                      A                           B    10                     C
                                                      ( ×10 5 )  8 6  y=0.224x+0.170
                                                              2
                                                             R =0.998
                                                      荧光强度  4 2 0

                                                      -2  0  10  20  30  40
                                                             细胞数(×10)
                                                                     5







                         D                        E                           F
                            100             **          100  T cell                 80   T cell    ***
                           ( % )  80  **  *            ( % )  80  CD19⁃CART  ***  ( % )  60  CD19⁃CART
                                                                                             ***
                                                         60
                           细胞杀伤  40  **              Raji⁃luc  细胞杀伤  40  **      Malme⁃3M⁃CD19⁃luc  细胞杀伤  20 0  **
                                                                                    40
                             60
                                                                  ***
                                                         20
                             20
                              0                         -20 0                      -20
                                 0  1∶1 5∶1 10∶1 20∶1        5∶1  10∶1  20∶1            5∶1  10∶1  20∶1
                                     效靶比                         效靶比                        效靶比
                 A:用萤火虫荧光素酶法,将表达荧光素酶基因的Raji⁃luc靶细胞设置不同的数量,使用活体成像仪检测荧光强度;B:用检测到的荧光强
              度与对应的细胞量做标准曲线;C:CD19⁃CART细胞对Raji⁃luc靶细胞的杀伤实验,用活体成像仪检测拍照;D:杀伤结果数据作图(n=3,统计方
              法为单因素方差分析后LSD法多重比较,两组比较,P < 0.05,P < 0.01);E:使用荧光素酶法用多功能酶标仪检测CD19⁃CART细胞对悬浮细
                                                        **
                                                  *
              胞Raji⁃luc的杀伤实验结果,每个效靶比条件下的CD19⁃CART与对照T细胞的杀伤效率均具有显著性差异;F:使用荧光素酶法用多功能酶标
              仪检测CD19⁃CART细胞对贴壁细胞Malme⁃3m⁃CD19⁃luc的杀伤实验结果,每个效靶比条件下的CD19⁃CART与对照T细胞的杀伤效率均具有
              显著性差异(E、F的统计方法为Student⁃t检验,n=3,两组比较,P < 0.05,P < 0.01, P<0.001)。
                                                        *
                                                                      ***
                                                               **
                                    图2 萤火虫荧光素酶法对靶细胞为悬浮细胞或贴壁细胞的杀伤实验
              悬浮细胞或贴壁细胞的情况下都可以用来检测杀                             [6] FOTAKIS G,TIMBRELL J A. In vitro cytotoxicity assays:
              伤效率。                                                   Comparison of LDH,neutral red,MTT and protein assay
                                                                     in hepatoma cell lines following exposure to cadmium
             [参考文献]
                                                                     chloride[J]. Toxicol Lett,2006,160(2):171-177
             [1] KALOS M,LEVINE B L,PORTER D L,et al. T cells with
                                                                [7] ESSER R,MULLER T,STEFES D,et al. NK cells engi⁃
                   chimeric antigen receptors have potent antitumor effects
                                                                     neered to express a GD2⁃specific antigen receptor display
                   and can establish memory in patients with advanced leu⁃
                                                                     built⁃in ADCC⁃like activity against tumour cells of neuro⁃
                   kemia[J]. Sci Transl Med,2011,3(95):95ra73
                                                                     ectodermal origin[J]. J Cell Mol Med,2012,16(3):569-
             [2] GRUPP S A,KALOS M,BARRETT D,et al. Chimeric an⁃
                                                                     581
                   tigen receptor⁃modified T Cells for acute lymphoid leuke⁃
                                                                [8] LI L,LIU L N,FELLER S,et al. Expression of chimeric
                   mia[J]. N Engl J Med,2013,368(16):1509-1518
                                                                     antigen receptors in natural killer cells with a regulatory⁃
             [3] KOCHENDERFER J N,DUDLEY M E,KASSIM S H,et
                                                                     compliant non⁃viral method[J]. Cancer Gene Ther,2010,
                   al. Chemotherapy⁃refractory diffuse large B⁃cell lympho⁃
                                                                     17(3):147-154
                   ma and indolent B ⁃ cell malignancies can be effectively
                                                                [9] MARCUSSON⁃STÅHL M,CEDERBRANT K. A flow⁃cy⁃
                   treated with autologous T cells expressing an anti⁃CD19
                   chimeric antigen receptor[J]. J Clin Oncol,2015,33(6):  tometric NK⁃cytotoxicity assay adapted for use in rat re⁃
                                                                     peated dose toxicity studies[J]. Toxicology,2003,193
                   540-549
                                                                    (3):269-279
             [4] SCHUSTER S J,SVOBODA J,CHONG E A,et al. Chime⁃
                                                                [10] GILLISSEN M A,YASUDA E,DE JONG G,et al. The
                   ric antigen receptor t cells in refractory B⁃cell lymphomas
                  [J]. N Engl J Med,2017,377(26):2545-2554           modified FACS calcein AM retention assay:a high
             [5] TASSEV D V,CHENG M,CHEUNG N K V. Retargeting        throughput flow cytometer based method to measure cyto⁃
                   NK92 cells using an HLA⁃A2⁃restricted,EBNA3C⁃specific  toxicity[J]. J Immunol Methods,2016,434:16-23
                   chimeric antigen receptor[J]. Cancer Gene Ther,2012,  [11] LIU D F,SONG L P,BRAWLEY V S,et al. Medulloblas⁃
                   19(2):84-100                                      toma expresses CD1d and can be targeted for immunother⁃
   69   70   71   72   73   74   75   76   77   78   79