Alpha/beta hydrolase 1 is upregulated in D5 dopamine receptor knockout mice and reduces O2- production of NADPH oxidase.

Abstract:

:Renal dopamine receptors have been shown to play a critical role in ROS-dependent hypertension. D5 dopamine receptor deficient (D5-/-) mice are hypertensive and have increased systemic oxidative stress which is manifested in the kidney and the brain. To further investigate the underlying mechanisms of hypertension in D5-/- mice, we used RNA arrays to compare mRNA levels of kidneys from wildtype and D5-/- mice. Our data show, that the mRNA level of alpha/beta hydrolase 1 (ABHD1) is significantly upregulated in D5-/- mice. Additionally, overexpression of ABHD1 in a new established renal proximal tubule cell line reduced the amount of O(2)(-) produced by the NADPH oxidase. Therefore the upregulation of ABHD1 in D5-/- mice could be an answer to the increased oxidative stress. While oxidative stress is an important factor for the development of hypertension, ABHD1 could play a protective role in the pathogenesis of hypertension.

authors

Stoelting M,Geyer M,Reuter S,Reichelt R,Bek MJ,Pavenstädt H

doi

10.1016/j.bbrc.2008.12.008

subject

Has Abstract

pub_date

2009-01-30 00:00:00

pages

81-5

issue

1

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(08)02384-X

journal_volume

379

pub_type

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