胃癌组织中胃癌相关成纤维细胞、胃正常成纤维细胞的分离鉴定及增殖情况观察

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、 αSMA Vimentin 阳性表达,CK18 阴性表达,胃NFs 细胞存在Vimentin 阳性表达,αSMA、CK18 阴性表达。培养3 ~
6 天,各来源胃CAFs 细胞OD 值均高于胃NFs(P 均< 0. 05)。结论 成功分离胃CAFs、胃NFs。胃CAFs、胃NFs
均存在Vimentin 表达。胃CAFs 增殖能力优于胃NFs。
法 3 例胃癌患者,均行胃癌切除术,术中保留胃癌组织及胃正常黏膜组织。采用组织贴壁块法及胶原酶消化法
分离胃癌组织中的胃CAFs 及胃正常黏膜组织中的胃NFs。原代培养胃CAFs、胃NFs,差速贴壁传代法分离并纯化
细胞,差速贴壁20 min。倒置显微镜下观察胃CAFs、胃NFs 细胞形态,采用免疫细胞化学染色法检测细胞α平滑
sues and normal gastric mucosa were preserved during operation. The tissue adhension method and collagenase digestion
were used to isolate the gastric CAFs in gastric cancer tissues and gastric NFs in the normal gastric mucosa. Primary cul
肌肌动蛋白(αSMA)、角蛋白18(CK18)、波形蛋白(Vimentin)。取3 个来源分离的胃Cห้องสมุดไป่ตู้Fs、胃NFs,分别于细胞贴
壁24 、h 2 、d 3 、d 4 、d 5 、d 6 d 采用MTT 法测算细胞光密度(OD)值,绘制细胞生长曲线。结果 胃癌CAFs 细胞大
小不一,呈梭形或星形,排列不规则并呈重叠生长;胃NFs 细胞均匀一致,呈长梭形,排列规则。胃CAFs 细胞存在
关键词:胃癌;癌相关成纤维细胞;正常成纤维细胞;细胞角蛋白18;波形蛋白;α平滑肌肌动蛋白;细胞增殖
: doi 10. 3969 / j. issn. 1002266X. 2018. 31. 002
: ( ) 中图分类号: 文献标志码: 文章编号
R36

1002266X 2018 31000504
, , Isolation identification and proliferation of gastric cancerassociated
fibroblasts and normal gastric fibroblasts
, , , , , FENG Lanlan SUN Wei ZHU Jihai LIU Jun ZHAO Jun LIU Yan ( , , ) Medical College of Qinghai University Xining 810016 China
, ( ), ( ), scope and αsmooth muscle actin αSMA keratin 18 CK18 and Vimentin were detected by immunocytochemical , , , , , staining. The isolated gastric CAFs and gastric NFs from 3 sources adhered to the wall for 24 h 2 d 3 d 4 d 5 d and , ( ) 6 d and the cell optical density OD was calculated by MTT. Results The morphology of CAFs was variable with spin , , dle shape or star shape. They were irregularly arranged and in the overlapping growth. On the contrast NFs were uniform , , spindleshaped and arranged regularly. Gastric CAFs showed positive expression of αSMA and Vimentin negative ex ; , pression of CK18 gastric NFs cells had positive expression of Vimentin and negative expression of αSMA and CK18. Af , ( ) ter culture for 36 days the OD values of CAFs from all sources were higher than those of gastric NFs all P < 0. 05 .
, tured gastric CAFs and gastric NFs were isolated and purified by differential adherence method and the cells received dif
ferential adhension for 20 min. The morphology of gastric CAFs and gastric NFs cells was observed under inverted micro
山东医药2018 年第58 卷第31 期
胃细癌胞组的织分中离胃鉴癌定相及关增成殖纤情维况细观胞察、胃正常成纤维
封兰兰,孙伟,朱吉海,刘臖,赵臖,刘燕 (青海大学医学院,西宁810016)
摘要:目的 从胃癌组织中分离胃癌相关成纤维细胞(CAFs)及胃正常成纤维细胞(NFs),并鉴定其功能。方
: ( ) ( ) Abstract Objective To isolate the gastric cancerassociated fibroblasts CAFs and normal fibroblasts NFs and , identify their functions. Methods Three patients with gastric cancer underwent gastric resection and gastric cancer tis
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