Abstract:
:The purpose of this study was to confirm protein-protein interaction between cyclooxygenase-1 (COX-1) and caveolins. The interaction of cyclooxygenase-1 and caveolins in the cultured human embryonic kidney (HEK 293) cells was investigated using immuno-precipitation and Western blot analysis. In HEK 293 cells, high levels of caveolin-2 and low level of caveolin-1 at mRNA and protein level were observed without any detectable expression of caveolin-3. Caveolae rich membranous fractions from the HEK 293 cells contained both COX-1 and caveolin-1 or caveolin-2 in same fractions. The experiments of immuno-precipitation showed complex formation between the COX-1 and caveolin-1 or caveolin-2 in the HEK 293 cells. Confocal microscopic results also support co-localization of COX-1 and caveolin-1 or caveolin-2 at the plasma membrane. Co-localization of caveolins with cylooxygenase-1 in caveolae suggested that caveolin would play an important role in regulating the function of COX-1.
journal_name
IUBMB Lifejournal_title
IUBMB lifeauthors
Cha SH,Jung NH,Kim BR,Kim HW,Kwak JOdoi
10.1080/15216540410001699312keywords:
subject
Has Abstractpub_date
2004-04-01 00:00:00pages
221-7issue
4eissn
1521-6543issn
1521-6551journal_volume
56pub_type
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