Abstract：
:Adjuvant arthritis in rats was induced by a single subcutaneous injection of Freund adjuvant into a hind paw. The injected paws' mean volume increased continuously by 80 +/- 26% after 6 h (acute local response). The injected paw displayed a biphasic response peaking at day 1-2 decreasing to day 5, then increased to day 14 by 123% while the contralateral non-injected paw showed little increase until day 10 and increased by 42% at day 14. The lateral diameter of both knee-joints also increased biphasically, peaking at day 4, decreasing to day 6, then increasing to day 14 (early and late systemic phase). Mepyramine maleate, 1 mg.kg-1 (i.p.) daily, suppressed only the early systemic phase by 50%. Daily cimetidine hydrochloride, 1 mg.kg -1.day-1, almost completely abolished the inflammatory response in the knee joints up to day 12, while at day 14 the suppression was 71%. The increase in mean paw volume was also suppressed by orally administered cimetidine. Intraperitoneal doses of cimetidine (3.5 mumol.kg-1) totally suppressed paw oedema produced by subplantar injection of histamine (1.8 mM) but had no action on equiactive dose of the specific H1-agonist, 2-pyridylethylamine. Mepyramine at 3.5 mumol.kg-1 or greater produced no more than 50% suppression of the histamine response. A component of both adjuvant and histamine-induced responses thus appears to be histamine H2-receptor mediated.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Al-Haboubi HA,Zeitlin IJdoi
10.1016/0014-2999(82)90234-5subject
Has Abstractpub_date
1982-02-26 00:00:00pages
175-85issue
2eissn
0014-2999issn
1879-0712pii
0014-2999(82)90234-5journal_volume
78pub_type
杂志文章abstract：:Several antimalarial drugs are known to produce a QT interval prolongation via a blockade of the rapidly activating delayed rectifier K+ current (IKr), encoded by the human-ether-a-go-go-related gene (hERG). We investigated the influence of lumefantrine and its major metabolite desbutyl-lumefantrine, as well as halofa...
journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2011.06.057
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