TABLE 4

Treatment vs. target half-life in the rat or mousea brain

TargetTreatmentInactivating agentSpeciesSubregionRecovery
Half-life
Reference
Dopamine D1 receptorControl (ECS)EEDQRatStriatum3.3 d (80 h)Nowak and Zak (1989)
Repeat ECSEEDQRatStriatum2.3 d (55 h)Nowak and Zak (1989)
VehicleEEDQRatStriatum2.2 d (53 h)Dewar et al. (1997)
6-OHDAEEDQRatStriatum4.3 d (103 h)Dewar et al. (1997)
Chronic vehicleEEDQRatStriatum6.0 d (144 h)Zou et al (1996)
Chronic (-)stepholidineEEDQRatStriatum4.9 d (118 h)Zou et al. (1996)
Chronic vehicle
(OVX)
EEDQRatStriatum2.3 d (55 h)Levesque and Di Paolo (1991)
Chronic estradiol
(OVX)
EEDQRatStriatum4.4 d (107 h)Levesque and Di Paolo (1991)
Chronic vehicle
(OVX)
EEDQRatSubstantia
nigra
1.7 d (42 h)Morissette et al. (1992)
Chronic estradiol
(OVX)
EEDQRatSubstantia
nigra
1.4 d (34 h)Morissette et al. (1992)
Chronic vehicle
(OVX)
EEDQRatStriatum (posterior)1.7 d (41 h)Morissette et al. (1992)
Chronic estradiol
(OVX)
EEDQRatStriatum
(posterior)
3.8 d (91 h)Morissette et al. (1992)
Dopamine D2 receptorChronic vehicleEEDQRatStriatum3.9 d (94 h)Pich et al. (1987)
Chronic haloperidolEEDQRatStriatum5.7 d (137 h)Pich et al. (1987)
Chronic vehicleEEDQRatStriatum5.9 d (141 h)Zou et al. (1996)
Chronic (-)stepholidineEEDQRatStriatum3.5 d (85 h)Zou et al. (1996)
Control (ECS)EEDQRatStriatum1.2 d (29 h)Nowak and Zak (1991a)
Repeat ECSEEDQRatStriatum2.4 d (58 h)Nowak and Zak (1991a)
Chronic vehicleEEDQRatStriatum3.0 d (73 h)aLeff et al. (1984)
Chronic reserpineEEDQRatStriatum5.4 d (130 h)aLeff et al. (1984)
VehicleEEDQRatStriatum4.8 d (116 h)Neve et al. (1985)
6-OHDAEEDQRatStriatum5.3 d (128 h)Neve et al. (1985)
VehicleEEDQRatStriatum3.8 d (90 h)Dewar et al. (1997)
6-OHDAEEDQRatStriatum4 d (96 h)Dewar et al. (1997)
Chronic vehicle
(OVX)
EEDQRatStriatum
(posterior)
2.4 d (58 h)Morissette et al. (1992)
Chronic estradiol
(OVX)
EEDQRatStriatum
(posterior)
4 d (95 h)Morissette et al. (1992)
Chronic vehicle
(OVX)
EEDQRatPituitary0.75 d (18 h)Levesque and Di Paolo (1991)
Chronic estradiol
(OVX)
EEDQRatPituitary2.1 d (51 h)Levesque and Di Paolo (1991)
Alpha1- adrenoceptorControl (ECS)EEDQRatCortex1.6 d (39 h)Nowak and Zak (1991b)
Repeat ECSEEDQRatCortex1.5 d (36 h)Nowak and Zak (1991b)
Alpha2- adrenoceptorChronic vehicleEEDQRatCortex3.9 d (94 h)Barturen and Garcia-Sevilla, (1992)
Chronic desipramineEEDQRatCortex1.5-1.7 d (36-41 h)Barturen and Garcia-Sevilla (1992)
Chronic vehicleEEDQRatbCortex4.9 d (118 h)Ribas et al., 1993)
Chronic clorgylineEEDQRatbCortex3.6 d (86 h)Ribas et al. (1993)
Chronic vehicleEEDQRatcCortex8.1 d (194 h)Ribas et al. (1993)
Chronic clorgylineEEDQRatcCortex2.1 d (51 h)Ribas et al. (1993)
Chronic vehicleEEDQRatCortex6.4 d (154 h)Ribas et al. (2001)
Chronic reserpineEEDQRatCortex6.1 d (146 h)Ribas et al. (2001)
Chronic vehicleEEDQRatCortex8.2 d (197 h)Carbonell et al. (2004)
Chronic lithiumEEDQRatCortex4.1 d (98 h)Carbonell et al. (2004)
Chronic vehicleEEDQRatCortex4.4 d (106 h)Gabilondo and Garcia-Sevilla (1995)
Chronic morphineEEDQRatCortex5.0 d (120 h)Gabilondo and Garcia-Sevilla (1995)
Morphine withdrawalEEDQRatCortex2.7 d (65 h)Gabilondo and Garcia-Sevilla (1995)
GABAA receptorChronic vehicleEEDQMouseCortex1.3 d (31 h)Miller et al. (1991b)
/Bz siteaChronic lorazepamEEDQMouseCortex0.8 d (19 h)Miller et al. (1991b)
Chronic vehicleEEDQMouseCerebellum1.8 d (42 h)Miller et al. (1991b)
Chronic lorazepamEEDQMouseCerebellum1.5 d (35 h)Miller et al. (1991b)
Dopamine transporterChronic vehicleRTI-76RatStriatum2.1 d (50 h)Kimmel et al. (2003)
(DAT)Chronic cocaineRTI-76RatStriatum0.94 d (23 h)Kimmel et al. (2003)
Chronic vehicleRTI-76RatNucleus accumbens2.2 d (53 h)Kimmel et al. (2003)
Chronic cocaineRTI-76RatNucleus accumbens2.2 d (53 h)Kimmel et al. (2003)
  • ECS, electroconvulsive shock; OVX, ovariectomized; 6-OHDA, 6-hydroxydopamine.

  • aExtrapolated from data in Leff et al. (1984).

  • bSHR rats.

  • cWistar-Kyoto rats.