Affiliation:
1. Department of Translational Neuroscience Wake Forest University School of Medicine Winston‐Salem North Carolina USA
2. Department of Biomedical Engineering Wake Forest University School of Medicine Winston‐Salem North Carolina USA
3. Department of Neurosurgery Wake Forest University School of Medicine Winston‐Salem North Carolina USA
Abstract
AbstractFor over four decades, fast‐scan cyclic voltammetry (FSCV) has been used to selectively measure neurotransmitters such as dopamine (DA) with high spatial and temporal resolution, providing detailed information about the regulation of DA in the extracellular space. FSCV is an optimal method for determining concentrations of stimulus‐evoked DA in brain tissue. When modelling diseases involving disturbances in DA transmission, preclinical rodent models are especially useful because of the availability of specialized tools and techniques that serve as a foundation for translational research. There is known heterogeneity in DA dynamics between and within DA‐innervated brain structures and between males and females. However, systematic evaluations of sex‐ and species‐differences across multiple areas are lacking. Therefore, using FSCV, we captured a broad range of DA dynamics across five sub‐regions of the dorsal and ventral striatum of males and females of both rats and mice that reflect the functional heterogeneity of DA kinetics and dynamics within these structures. While numerous differences were found, in particular, we documented a strong, consistent pattern of increased DA transporter activity in females in all of the regions surveyed. The data herein are intended to be used as a resource for further investigation of DA terminal function.
Funder
National Institute on Drug Abuse
National Institute on Alcohol Abuse and Alcoholism
National Institute of Mental Health
National Center for Advancing Translational Sciences
Cited by
1 articles.
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