ArticleJournal of neuro-oncology2002
Isolation of novel differentially expressed genes related to human glioma using cDNA microarray and characterizations of two novel full-length genes.
Article in Journal of neuro-oncology, 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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Who cites it
3 citing papers in PubMed.
- MiR-92b and miR-9/9* are specifically expressed in brain primary tumors and can be used to differentiate primary from metastatic brain tumors.Brain pathology (Zurich, Switzerland) · 2009Article
- GATA6 is an astrocytoma tumor suppressor gene identified by gene trapping of mouse glioma model.Proceedings of the National Academy of Sciences of the United States of America · 2007Article
- Identification of differently expressed genes in human colorectal adenocarcinoma.World journal of gastroenterology · 2006Article
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9 authors.
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Abstract
Identification of the genes that are differentially expressed between brain tumor and normal brain tissues is important for understanding the molecular basis of these nerve system tumors and for defining possible targets for therapeutic intervention. This investigation is intended to obtain differentially expressed genes related to human glioma using cDNA microarray. Total RNA was extracted from human glioma specimens and normal brain tissues, and mRNA was obtained by oligotex chromatography. The cDNA microarray contains 4366 novel cDNA clones. The results of hybridization were scanned using computer system. Two genes selected from the results of cDNA microarray hybridization were subsequently analyzed by bio-informatic approach, Northern blot, in situ hybridization and radiation hybridization. We demonstrated that at a differentially expressed ration of two to three times, 15 cDNA clones were considered differentially expressed. Two novel full-length genes were selected for further investigation, one named human PKIbeta gene (clone 436F11, GenBank with accession number: AF225513) was over-expressed in normal brain tissues and the other named human ribosomal protein L14.22 gene (clone 507E08, GenBank with accession number: AF329277) was over-expressed in gliomas. Furthermore, the 436F11 gene was located on 6q21-q23 between the D6S304 and D6S2156 markers, while the 507E08 gene was located between the D14S1066 and D14S265 markers. We realized that cDNA microarray technology can be successfully applied to identify differentially expressed genes in human glioma. This approach is superior to routine representational difference analysis, suppression subtractive hybridization and Northern blot for detection and isolation of differentially expressed genes in different tissues. At present, we have discovered two novel full-length genes related to human glioma and their characterizations have been partially clarified.
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