Expression of TGF‐β and procollagen type I and type III in human gastric carcinomas

Expression of TGF‐β and procollagen type I and type III in human gastric carcinomas
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TGF-β以及I型和III型前胶原在人胃癌中的表达

DOI:
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发表时间:
1989
期刊:
影响因子:
--
通讯作者:
E. Tahara
E. Tahara
中科院分区:
--
文献类型:
--
作者:
Kazuhiro Yoshida;H. Yokozaki;M. Niimoto;Hisao Ito;Masanori Ito;E. Tahara

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为了阐明硬癌和非硬癌胃癌之间的差异,我们检测了7种胃癌细胞系和37例胃癌组织中TGF-β、I型和III型前胶原的表达,并检测了TGF-β对TMK-I细胞表达前胶原mRNA的影响。在体内和体外检查的所有肿瘤中均检测到TGF-β mRNA。有趣的是,10例硬化性胃癌中有9例(90%)的TGF-β mRNA水平高于正常组织,而21例高分化腺癌中有8例(38%)的TGF-β mRNA水平高于正常组织。对于前胶原mRNA,大多数人胃癌细胞系表达I型前胶原mRNA,MKN-I表达III型前胶原mRNA。此外,外源性TGF-β增加了TMK-I细胞中1型前胶原mRNA的积累。手术切除的肿瘤组织中,前胶原mRNA的表达大多高于正常组织。这些结果表明,癌细胞产生的TGF-β可能不仅刺激成纤维细胞,而且也刺激癌细胞本身的胶原合成,导致硬化性胃癌的弥漫性纤维化。
To elucidate the difference between scirrhous and non‐scirrhous gastric carcinomas, we examined the expressions of TGF‐β, procollagen type I and type III in 7 gastric carcinoma cell lines and 37 gastric carcinoma tissues, and also examined the effect of TGF‐β on the expression of procollagen mRNA by TMK‐I cells. TGF‐β mRNA was detected in all the tumors examined in vivo and in vitro. Interestingly, 9 (90%) of 10 scirrhous gastric carcinomas revealed higher levels of TGF‐β mRNA than normal tissues, while 8 (38%) of 21 well‐differentiated adenocarcinomas had higher TGF‐β mRNA levels than normal tissues. As for procollagen mRNA, most of the human gastric carcinoma cell lines expressed type‐l procollagen mRNA and MKN‐I expressed type‐Ill procollagen mRNA. Furthermore, procollagen type‐l mRNA accumulation in TMK‐I cells was increased by exogenous TGF‐β. Most of the tumor tissues from surgical specimens expressed higher procollagen mRNA than normal tissues. These results indicate that TGF‐β produced by carcinoma cells might stimulate collagen synthesis not only by fibroblasts but also by carcinoma cells themselves, leading to diffuse fibrosis of scirrhous gastric carcinomas.
DOI: 10.1016/s0021-9258(18)48258-0
发表时间: 1987-05
期刊: The Journal of biological chemistry
影响因子: --
作者:
R. Ignotz;T. Endo;J. Massagu
通讯作者: R. Ignotz;T. Endo;J. Massagu
DOI: --
发表时间: 1986-03
期刊: The Journal of biological chemistry
影响因子: --
作者:
R. Ignotz;J. Massagué
通讯作者: R. Ignotz;J. Massagué
DOI: 10.1073/pnas.79.17.5312
发表时间: 1982-01-01
期刊: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子: --
作者:
CHILDS, CB;PROPER, JA;MOSES, HL
通讯作者: MOSES, HL
通过转化生长因子-β 刺激正常人成纤维细胞胶原蛋白的产生和加工。
DOI: 10.1016/s0006-291x(86)80591-5
发表时间: 1986
影响因子: 3.1
作者:
Varga,J;Jimenez,SA
通讯作者: Jimenez,SA
DOI: --
发表时间: 1985
期刊: The Journal of biological chemistry
影响因子: --
作者:
Chu,ML;Weil,D;deWet,W;Bernard,M;Sippola,M;Ramirez,F
通讯作者: Ramirez,F