ArticleJapanese journal of cancer research : Gann2002
Down-regulation of drs mRNA in colorectal neoplasms.
Article in Japanese journal of cancer research : Gann, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Article
- A widespread peroxiredoxin-like domain present in tumor suppression- and progression-implicated proteins.BMC genomics · 2010Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The drs gene was originally isolated as a transformation suppressor gene against the v-src oncogene. Expression of drs mRNA is down-regulated by retroviral oncogenes such as v-src and v-K-ras in the rat cell line F2408. Expression of drs mRNA is also markedly reduced in a variety of human cancer cell lines, including those of carcinomas of the colon, bladder, and ovary, suggesting that down-regulation of drs mRNA is correlated with the development of human cancers. To clarify the correlation between down-regulation of the drs gene and malignant tumor formation in human colorectal neoplasms, we examined expression of drs mRNA in a variety of colon cancer tissues by in situ hybridization. A total of 53 morphologically distinct neoplastic specimens were divided into the following five groups according to morphology: low and high grade adenoma in 7 and 12 cases, respectively (groups A, B), protruded-type carcinoma in 16 (group C), superficial-type carcinoma with an adenomatous component in 10 (group D) or superficial-type carcinomas without any adenomatous component in 8 (group E). Expression of drs mRNA was detected in normal mucosa, low-grade adenoma and most superficial-type carcinomas without any adenomatous component. On the other hand, the rate of drs mRNA expression was significantly lower in protruded-type adenocarcinoma and superficial-type carcinoma with an adenomatous component. Our results indicate that down-regulation of drs mRNA is closely correlated with carcinomas which arise from adenomatous polyps in the course of the adenoma-carcinoma sequence, but that most carcinomas arising de novo are independent of the tumor suppressor function of the drs gene.
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