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The effect of tripelennamine alone and in combination with opiates to produce antinociception in mice.

Authors
  • Hui, F W
  • Sun, C J
  • Tocus, E C
  • Hanig, J P
Type
Published Article
Journal
Life Sciences
Publisher
Elsevier
Publication Date
Apr 04, 1983
Volume
32
Issue
14
Pages
1531–1538
Identifiers
PMID: 6835002
Source
Medline
License
Unknown

Abstract

Antinociception (ANTI) was assessed in male CD-1 mice by a modification of Haffner's tail clamp procedure. Studies revealed that tripelennamine (Tp) alone produced antinociception (ANTI) in mice and also caused potentiation when combined with morphine (M) or nalbuphene (NB). Naloxone (Nx) only partially blocked the effect of Tp, but fully blocked M. Although atropine (At) had no intrinsic ANTI activity, it enhanced that of Tp but not M. Histamine (Hm) had no intrinsic ANTI activity, nor did it interact with either Tp or M. The partial abolition of Tp ANTI, in contrast to complete blockade of M effects with Nx, appears to indicate that Tp can stimulate the opiate receptor as well as another receptor for ANTI at a different locus. The combination of Tp with various opiates may have considerable abuse potential.

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