Expression of mouse Dab2ip transcript variants and gene methylation during brain development.
Expression of mouse Dab2ip transcript variants and gene methylation during brain development.
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大脑发育过程中小鼠 Dab2ip 转录变体的表达和基因甲基化。
DOI:
10.1016/j.gene.2015.05.012
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发表时间:
2015
期刊:
影响因子:
3.5
通讯作者:
Homayouni,Ramin
中科院分区:
文献类型:
--
作者:
Salami,Farimah;Qiao,Shuhong;Homayouni,Ramin
Dab2ip (DOC-2/DAB2 interacting protein) is a RasGAP protein which shows a growth-inhibitory effect in human prostate cancer cell lines. Recent studies have shown that Dab2ip also plays an important role in regulating dendrite development and neuronal migration during brain development. In this study, we provide a more complete description of the mouseDab2ip(mDab2ip) gene locus and examined DNA methylation and expression ofDab2ipduring cerebellar development. Analysis of cDNA sequences in public databases revealed a total of 20 possible exons formDab2ipgene, spanning over 172 kb. Using Cap Analysis of Gene Expression (CAGE) data available through FANTOM5 project, we deduced five different transcription start sites formDab2ip. Here, we characterized three differentmDab2iptranscript variants beginning with exon 1. These transcripts varied by the presence or absence of exons 3 and 5, which encode a putative nuclear localization signal and the N-terminal region of a PH-domain, respectively. The 5′ region of themDab2ipgene contains three putative CpG islands (CpG131, CpG54, and CpG85). Interestingly, CpG54 and CpG85 are localized on exons 3 and 5. Bisulfate DNA sequencing showed that methylation level of CpG54 remained constant whereas methylation of CpG85 increased during cerebellar development. Real-time PCR analysis showed that the proportion of PH-domain containingmDab2iptranscripts increased during cerebellar development, in correlation with the increase in CpG85 methylation. These data suggest that site-specific methylation ofmDab2ipgene during cerebellar development may play a role in inclusion of exon 5, resulting in a Dab2ip transcript variant that encodes a full pleckstrin homology (PH) domain.
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DOI:
10.1172/jci17790
发表时间:
2003-06
期刊:
The Journal of clinical investigation
影响因子:
--
作者:
Rong Zhang;Xiangrong He;Weiming Liu;Meng Lu;J. Hsieh;W. Min
通讯作者:
Rong Zhang;Xiangrong He;Weiming Liu;Meng Lu;J. Hsieh;W. Min
影响因子:
56.9
作者:
Nimnual, AS;Yatsula, BA;Bar-Sagi, D
通讯作者:
Bar-Sagi, D
DOI:
--
发表时间:
2003
期刊:
Eur. J. Neurosci 17
影响因子:
--
作者:
Miyazaki;T.;Fukaya;M.;Shimizu;H;Watanabe;M.
通讯作者:
M.
影响因子:
5.3
作者:
Ma, AD;Metjian, A;Abrams, CS
通讯作者:
Abrams, CS
影响因子:
56.9
作者:
Han, JW;Luby-Phelps, K;Broek, D
通讯作者:
Broek, D