期刊
EXPERIMENTAL AND THERAPEUTIC MEDICINE
卷 2, 期 2, 页码 201-212出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2011.193
关键词
kidney; DNA array; hypertension; spontaneously hypertensive rat; stroke-prone spontaneously hypertensive rat; malignant type of stroke-prone spontaneously hypertensive rat; hydralazine
资金
- MEXT in Japan [19500699]
- Mishima-Kaiun Memorial Foundation
- Ueshima Coffee Co., Ltd.
- Kinki University School of Medicine
- Grants-in-Aid for Scientific Research [19500699] Funding Source: KAKEN
Clarification of the genetic nature and more effective care for hypertension are required, given the high incidences of cardiovascular and cerebrovascular mortality. Thus, we surveyed candidate genes for hypertension with rat whole gene DNA microarrays using three novel methods. Gene expression analyses were conducted as follows: Method 1, three types of spontaneously hypertensive rat (SHR) substrains, SHR, stroke-prone SHR (SHRSP) and malignant type of SHRSP (M-SHRSP) were used and compared to normotensive Wistar Kyoto rats; Method 2, the expressed genes between rats of different ages were compared for different blood pressures; and Method 3, genes that were expressed in rats treated with or without an acute hypotensive stimulus, the antihypertensive hydralazine hydrochloride, were compared. This approach identified dozens of genes, including Dusp15, Cyp8b1, Antic 3, Gtpbp4, Mettl2, Mapk14, Prkar2b, frame 12, Anxa13, Ephx2, Myr8 and Pcdh9 by Method 1; Cyp2C and Atp12a by Method 2; and Kcnc3, Vnnl,TC560558 and Gabrq and a number of unknown genes by Methods 2 and 3, as probable candidate genes for hypertension in SHR substrains. Ephx2 was previously reported as a candidate gene in SHRs; however other genes were identified for the first time in this study. Since it was not always possible to completely demonstrate that these genes are responsible for hypertension in SHRs, further research into true candidate genes that participate in the genesis of hypertension in SHR substrains is warranted.
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