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⁃