Increased discriminative stimulus potency of phencyclidine in C57B1/6 mice infected with the LP-BM5 retrovirus.

Increased discriminative stimulus potency of phencyclidine in C57B1/6 mice infected with the LP-BM5 retrovirus.
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增加了感染 LP-BM5 逆转录病毒的 C57B1/6 小鼠中苯环己哌啶的辨别刺激效力。

DOI:
10.1016/s0014-2999(98)00961-3
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发表时间:
1999
影响因子:
5
通讯作者:
Paul,IA
Paul,IA
中科院分区:
医学2区
文献类型:
--
作者:
English,JA;Bruce,KH;Paul,IA

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Drug discrimination procedures in mice are used to study the neuropharmacology of a wide variety of drugs. In C57 Bl/6 mice, infection with the LP-BM5 murine leukemia virus leads to a syndrome (murine acquired immunodeficiency syndrome-MAIDS) characterized by immunocompromise, neurochemical alterations, and learning and memory deficits. Because the neurochemical and behavioral changes suggest that altered glutamatergic neurotransmission follows LP-BM5 infection, we studied the effects of infection on discriminative stimulus properties of phencyclidine (PCP), a Ca2+channel blocker at NMDA receptors. We also tested d-amphetamine and dizocilpine to assess the specificity of the discrimination. As expected, dizocilpine produced PCP-like responding. After animals were trained to discriminate PCP from saline, they were inoculated with LP-BM5 and the PCP dose-response functions repeatedly determined. The potency of PCP in this procedure was unchanged 3 weeks after infection, but was increased approximately fivefold 6 and 9 weeks after infection. Amphetamine 9 weeks after inoculation did not produce PCP-like responding, showing that the results were not caused by a loss of specificity of the discrimination. The time course for changes in PCP potency is similar to those of other behavioral and neurochemical changes reported after LP-BM5 infection. The results are consistent with an action of LP-BM5 infection at glutamatergic synapses.
DOI: 10.4049/jimmunol.142.4.1144
发表时间: 1989-02
影响因子: 4.4
作者:
D. Klinman;H. Morse
通讯作者: D. Klinman;H. Morse
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DOI: --
发表时间: 1987
期刊: The Journal of pharmacology and experimental therapeutics
影响因子: --
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DOI: --
发表时间: 1992
影响因子: 3.3
作者:
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DOI: --
发表时间: 1987
期刊: Alcohol and drug research
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DOI: 10.1016/0024-3205(85)90247-4
发表时间: 1985
期刊: Life sciences
影响因子: 6.1
作者:
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通讯作者: Balster,RL