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TMS and H1-MRS measures of excitation and inhibition following lorazepam administration.

Author(s): Ferland MC, Therrien-Blanchet JM, Proulx S, Klees-Themens G, Bacon BA, Vu TTD, Théoret H

This study aimed at better understanding the neurochemistry underlying TMS and MRS measurements as it pertains to GABAergic activity following administration of allosteric GABAA receptor agonist lorazepam. Seventeen healthy adults (8 females, 26.0 ± 5.4 yea...

Article GUID: 33246064
Prefrontal Cortex and Multiparity in Lactation.

Author(s): Opala EA, Verlezza S, Long H, Rusu D, Woodside B, Walker CD

Neuroscience. 2019 Aug 19;: Authors: Opala EA, Verlezza S, Long H, Rusu D, Woodside B, Walker CD

Article GUID: 31437474
17β-Estradiol infusions into the dorsal striatum rapidly increase dorsal striatal dopamine release in vivo.

Author(s): Shams WM, Sanio C, Quinlan MG, Brake WG

Neuroscience. 2016 08 25;330:162-70 Authors: Shams WM, Sanio C, Quinlan MG, Brake WG

Article GUID: 27256507
Effect of electrolytic lesions of the dorsal diencephalic conduction system on the distribution of Fos-like immunoreactivity induced by rewarding electrical stimulation.

Author(s): Fakhoury M, Voyer D, Lévesque D, Rompré PP

Neuroscience. 2016 Oct 15;334:214-225 Authors: Fakhoury M, Voyer D, Lévesque D, Rompré PP

Article GUID: 27514573
Dopamine Signaling Is Critical for Supporting Cue-Driven Behavioral Control.

Author(s): Iordanova MD

Neuroscience. 2019 May 17;: Authors: Iordanova MD

Article GUID: 31103706
Dopaminergic enhancement of excitatory synaptic transmission in layer II entorhinal neurons is dependent on D₁-like receptor-mediated signaling.

Author(s): Glovaci I, Caruana DA, Chapman CA

Neuroscience. 2014 Jan 31;258:74-83 Authors: Glovaci I, Caruana DA, Chapman CA

Article GUID: 24220689
Serotonin 5-HT1A Receptor-Mediated Reduction of Excitatory Synaptic Transmission in Layers II/III of the Parasubiculum.

Author(s): Carter F, Chapman CA

Neuroscience. 2019 May 15;406:325-332 Authors: Carter F, Chapman CA

Article GUID: 30902681
Title:17β-Estradiol infusions into the dorsal striatum rapidly increase dorsal striatal dopamine release in vivo.
Authors:Shams WM,  Sanio C,  Quinlan MG,  Brake WG
Link:https://www.ncbi.nlm.nih.gov/pubmed/27256507?dopt=Abstract
DOI:10.1016/j.neuroscience.2016.05.049
Category:Neuroscience
PMID:27256507
Dept Affiliation: PSYCHOLOGY
1 Centre for Studies in Behavioral Neurobiology (CSBN), Department of Psychology, Concordia University, Montreal H4B1R6, Canada. Electronic address: waqqas19@gmail.com.
2 Centre for Studies in Behavioral Neurobiology (CSBN), Department of Psychology, Concordia University, Montreal H4B1R6, Canada. Electronic address: christian.sanio@gmail.com.
3 Centre for Studies in Behavioral Neurobiology (CSBN), Department of Psychology, Concordia University, Montreal H4B1R6, Canada. Electronic address: mquinlan@csusb.edu.
4 Centre for Studies in Behavioral Neurobiology (CSBN), Department of Psychology, Concordia University, Montreal H4B1R6, Canada. Electronic address: wayne.brake@concordia.ca.

Description:

17ß-Estradiol infusions into the dorsal striatum rapidly increase dorsal striatal dopamine release in vivo.

Neuroscience. 2016 08 25;330:162-70

Authors: Shams WM, Sanio C, Quinlan MG, Brake WG

Abstract

Systemic injections of 17ß-estradiol (E2) in ovariectomized (OVX) female rats rapidly enhance dorsal striatal dopamine (DA) release in response to amphetamine (AMPH). Additionally, a single injection of E2 rapidly (within 30min) enhances amphetamine-induced DA release. In situ studies show that this rapid effect of E2 occurs specifically within the dorsal striatum (DS). The present study investigated the in vivo effects of E2 infused into the DS, medial prefrontal cortex (mPFC) or the substantia nigra (SN) on dorsal striatal DA release. Rats were OVX and implanted with a silastic tube containing 5% E2 in cholesterol, previously shown to mimic low physiological serum concentrations of 18-32pg/ml. Single-probe microdialysis was used to measure extracellular DA levels in the DS. In addition, DA release was measured subsequent to systemic injections of the indirect DA agonist, AMPH (0.5mg/kg SC), administered simultaneously with E2 (0.544µg/100µl) or its vehicle, cyclodextrin (VEH) (0.520µg/100µl). Local infusions of E2 into the DS resulted in a greater amphetamine-induced dorsal striatal DA release in comparison to vehicle. Local infusions of E2 into the mPFC or the SN did not result in an enhancement of amphetamine-induced DA levels in the DS. These studies suggest that increases in dorsal striatal DA release in response to systemic E2 are a consequence of E2 actions within the DS itself.

PMID: 27256507 [PubMed - indexed for MEDLINE]