Abstract:
BACKGROUND:Studies on peripheral benzodiazepine receptor function have yielded a diverse list of activities of which the anti-inflammatory effects need to be further examined. AIMS:To evaluate the role of steroids, nitric oxide and adenosine-deaminase in the anti-inflammatory effect of PK11195. METHODS:Pleurisy was induced by intrapleural injection of carrageenan in mice pre-treated or not with PK11195. Leukocytes, exudation, adenosine-deaminase (ADA) activity and nitric oxide (NO) level were measured. Steroid involvement was evaluated by pre-treatment with D,L-aminogluthetimide before PK11195. RESULTS:Leukocytes, exudation and NO levels were reduced by PK11195 in the early (4 h) phase. In the late (48 h) phase, PK11195 decreased leukocytes and ADA activity. D,L-aminogluthetimide reversed the effect of PK11195 on exudate (4 h), as well as total and differential leukocytes and NO levels (48 h). CONCLUSIONS:Steroids, NO and ADA are implicated in the anti-inflammatory action of PK11195.
journal_name
Mediators Inflammjournal_title
Mediators of inflammationauthors
da Silva MB,Farges RC,Fröde TSdoi
10.1080/09629350410001688486subject
Has Abstractpub_date
2004-04-01 00:00:00pages
93-103issue
2eissn
0962-9351issn
1466-1861pii
0X4P8EK1LX87CYJCjournal_volume
13pub_type
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