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15-羟基前列腺素脱氢酶基因对胃癌细胞(小鼠前胃癌)增殖的影响

Effect of 15-hydroxyprostaglandin dehydrogenase gene on the proliferation of gastric cancer cell murine forestomach carcinoma.

作者信息

Li Lihua, Yang Fu, Wang Xiaojie, Hu Jing, Yang Libo, Tang Chunming, Wu Yunhua, Miao Kun, Liu Rui, Shou Tao

机构信息

Department of Oncology, The First Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China.

Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650031, P.R. China.

出版信息

Exp Ther Med. 2014 Jan;7(1):290-294. doi: 10.3892/etm.2013.1404. Epub 2013 Nov 12.

DOI:10.3892/etm.2013.1404
PMID:24348808
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3861248/
Abstract

The aim of the present study was to construct the eukaryotic expression vector pcDNA3.1/15-PGDH. The vector was used to transfect mouse murine forestomach carcinoma (MFC) cancer cells and observe the effects of 15-hydroxyprostaglandin dehydrogenase (15-PGDH) on the proliferation of MFC. pcDNA3.1/15-PGDH was constructed using gene recombination technology and the vector was used to transfect MFC cells to build a stable transfected cell strain. The expression levels of 15-PGDH in the transfected cells were detected using reverse transcription polymerase chain reaction. Optical Density (OD) values were determined using an MTT assay and used to draw cell growth curves. The effects of 15-PGDH on the proliferation of MFC were observed using a clone formation experiment. Following successful transfection by 15-PGDH, the relative expression levels of 15-PGDH in the MFC/15-PGDH cells were significantly higher (1.06±0.08) (P<0.01) compared with the empty plasmid-transfected group (0.22±0.01) and the untransfected group (0.21±0.01). Following transfection by 15-PGDH, cell growth was markedly inhibited. The MTT results showed that on days 4, 6 and 8, the 15-PGDH-transfected group had a low OD on average, which was significantly different (P<0.05) from the empty plasmid-transfected group or the untransfected group. The 15-PGDH-transfected group had a plating efficiency of 18%, and compared with the untransfected group (63%) and the empty plasmid-transfected group (59%), clone formation was significantly inhibited (P<0.01). Results of the present study indicate that transfection by 15-PGDH may significantly inhibit the proliferation and clone formation of MFC cells.

摘要

本研究的目的是构建真核表达载体pcDNA3.1/15-PGDH。该载体用于转染小鼠前胃癌(MFC)癌细胞,观察15-羟基前列腺素脱氢酶(15-PGDH)对MFC细胞增殖的影响。采用基因重组技术构建pcDNA3.1/15-PGDH,并将该载体用于转染MFC细胞以构建稳定转染细胞株。采用逆转录聚合酶链反应检测转染细胞中15-PGDH的表达水平。使用MTT法测定光密度(OD)值并绘制细胞生长曲线。采用克隆形成实验观察15-PGDH对MFC细胞增殖的影响。15-PGDH成功转染后,MFC/15-PGDH细胞中15-PGDH的相对表达水平(1.06±0.08)显著高于空质粒转染组(0.22±0.01)和未转染组(0.21±0.01)(P<0.01)。15-PGDH转染后,细胞生长受到明显抑制。MTT结果显示,在第4、6和8天,15-PGDH转染组的平均OD值较低,与空质粒转染组或未转染组相比有显著差异(P<0.05)。15-PGDH转染组的平板接种效率为18%,与未转染组(63%)和空质粒转染组(59%)相比,克隆形成受到显著抑制(P<0.01)。本研究结果表明,15-PGDH转染可能显著抑制MFC细胞的增殖和克隆形成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/8fb6c37836cb/ETM-07-01-0290-g07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/c361b27e22a0/ETM-07-01-0290-g00.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/98c06caaf79c/ETM-07-01-0290-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/4ca95953d1a8/ETM-07-01-0290-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/737ebae85012/ETM-07-01-0290-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/ea2a36796dc6/ETM-07-01-0290-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/3d03621d18ac/ETM-07-01-0290-g05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/9971c901a2c4/ETM-07-01-0290-g06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/8fb6c37836cb/ETM-07-01-0290-g07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/c361b27e22a0/ETM-07-01-0290-g00.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/98c06caaf79c/ETM-07-01-0290-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/4ca95953d1a8/ETM-07-01-0290-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/737ebae85012/ETM-07-01-0290-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/ea2a36796dc6/ETM-07-01-0290-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/3d03621d18ac/ETM-07-01-0290-g05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/9971c901a2c4/ETM-07-01-0290-g06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6799/3861248/8fb6c37836cb/ETM-07-01-0290-g07.jpg

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Carcinogenesis. 2011 Nov;32(11):1741-7. doi: 10.1093/carcin/bgr210. Epub 2011 Sep 16.
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15-Hydroxyprostaglandin dehydrogenase as a novel molecular target for cancer chemoprevention and therapy.
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World J Gastroenterol. 2014 Oct 14;20(38):13658-66. doi: 10.3748/wjg.v20.i38.13658.
15-羟基前列腺素脱氢酶作为癌症化学预防和治疗的新分子靶标。
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