Epigenetic and Genetic Modifications of BRG1, A Candidate Tumor Suppressor Gene in Oral Cancer
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- Gunduz Esra
- Department of Oral Pathology and Medicine, Graduate School of Medicine and Dentistry, Okayama University
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- Gunduz Mehmet
- Department of Oral Pathology and Medicine, Graduate School of Medicine and Dentistry, Okayama University
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- Cengiz Beyhan
- Department of Oral Pathology and Medicine, Graduate School of Medicine and Dentistry, Okayama University
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- Rao Somanhalli Girish
- RV Dental College University of Health Science
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- Chat Siew Han
- National University Hospital, Department of Preventive Dentistry
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- Miyamoto Yasunori
- Japan Institute for Advanced Dentistry
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- Nagai Noriyuki
- Department of Oral Pathology and Medicine, Graduate School of Medicine and Dentistry, Okayama University
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抄録
To detect deletions of specific chromosome regions, loss of heterozygosity (LOH) analysis is a sensitive method. In different types of human cancer, BRG1, a member of SWI/SNF complex proteins, located at 19p13.2, suggested to be a candidate tumor suppressor gene (TSG). We detected allelic deletion in 25 of 39 (64%) samples at 19p13 by using six microsatellite markers. The BRG1 specific microsatellite marker showed the highest LOH in tumor samples. As we couldn't detect any mutation of the BRG1 gene in oral cancers, we examined the mRNA expression level. During expression analysis we detected an alternative in frame splicing form of BRG1, which includes exon 26 is selectively decreased or lost in most tumor samples. This 33 aminoacid sequence of BRG1 protein shows very high homology with heterogenous nuclear ribonucleoprotein E. Thus may affect the function and level of BRG1 through modifications on post-transcriptional control.
収録刊行物
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- Journal of Hard Tissue Biology
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Journal of Hard Tissue Biology 14 (2), 330-332, 2005
硬組織再生生物学会
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詳細情報 詳細情報について
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- CRID
- 1390001204458640640
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- NII論文ID
- 110005853585
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- NII書誌ID
- AA11074332
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- COI
- 1:CAS:528:DC%2BD28Xjs1KntbY%3D
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- ISSN
- 1880828X
- 13417649
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- NDL書誌ID
- 7875612
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可