Expression of 5-lipoxygenase and 5-lipoxygenase-activating protein mRNAs in the peripheral blood leukocytes of asthmatics.

Abstract:

:Leukotrienes are a family of arachidonic acid metabolites with potent biological activities such as bronchoconstriction and leukocyte chemotaxis. Recent evidence has demonstrated that the 5-lipoxygenase (5-LO) and 5-lipoxygenase-activating protein (FALP) products of arachidonic acid metabolism, leukotriene C4, D4 and E4, were increased in the serum and the urine of asthmatic patients. Therefore, we examined the expression of 5-LO and FLAP mRNAs in the peripheral blood leukocytes (PBL) of 10 asthmatics and 10 controls. Both 5-LO and FLAP mRNAs of PBL in the asthmatic group were found to be significantly increased compared with those in the control group. These data suggest that up-regulation of 5-LO and FLAP mRNAs might be involved in the increased leukotriene synthesis and play an important role in the pathogenesis of asthma.

authors

Koshino T,Takano S,Houjo T,Sano Y,Kudo K,Kihara H,Kitani S,Takaishi T,Hirai K,Ito K,Morita Y

doi

10.1006/bbrc.1998.8789

subject

Has Abstract

pub_date

1998-06-18 00:00:00

pages

510-3

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006291X98987897

journal_volume

247

pub_type

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