M. Kuhar

Publications570
h-index112
Citations49,256
Highly Influential Citations1,062
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Cocaine receptors on dopamine transporters are related to self-administration of cocaine.
TLDR
It is shown here that the potencies of cocaine-like drugs in self-administration studies correlate with their potencies in inhibiting [3H]mazindol binding to the dopamine transporters in the rat striatum, but not with theirPotencies in binding to a large number of other presynaptic and postsynaptic binding sites. Expand
Leptin Activates Hypothalamic CART Neurons Projecting to the Spinal Cord
TLDR
The finding that leptin activates CART/POMC neurons innervating sympathetic preganglionic neurons in the thoracic spinal cord suggests that this pathway may contribute to the increased thermogenesis and energy expenditure and decreased body weight observed following leptin administration. Expand
Characterization of CART neurons in the rat and human hypothalamus
TLDR
The results indicate that leptin directly acts on CART neurons in distinct nuclei of the rat hypothalamus and the distribution of CART cell bodies and fibers in the human hypothalamus indicates that CART may also play a role in the regulation of energy homeostasis in humans. Expand
Neurotransmitter transporters: recent progress.
Cocaine‐ and amphetamine‐regulated transcript peptide immunohistochemical localization in the rat brain
TLDR
The localization found here suggests an involvement of CART in many processes, and CART peptides appear to colocalize with some classical neurotransmitters and appear to occur in peripheral neurons as well. Expand
3,4-Methylenedioxymethamphetamine and 3,4-methylenedioxyamphetamine destroy serotonin terminals in rat brain: quantification of neurodegeneration by measurement of [3H]paroxetine-labeled serotonin…
TLDR
It is demonstrated that MDMA and MDA cause long-lasting neurotoxic effects with respect to both the functional and structural integrity of serotonergic neurons in brain and measurement of reductions in the density of 5-HT uptake sites provides a means for quantification of the neurodegenerative effects of MDMA andMDA on presynaptic 5- HT terminals. Expand
CART peptides: regulators of body weight, reward and other functions
TLDR
Additional studies aimed at elucidating the physiological effects of the peptides and at characterizing the CART receptor(s) are needed to take advantage of possible therapeutic applications. Expand
The dopamine hypothesis of the reinforcing properties of cocaine
A variety of evidence suggests a 'dopamine hypothesis' for the reinforcing properties of cocaine. This hypothesis proposes that cocaine binds at the dopamine transporter and mainly inhibits… Expand
Cocaine- and amphetamine-regulated transcript in the rat vagus nerve: A putative mediator of cholecystokinin-induced satiety.
TLDR
The present results suggest that CART-derived peptides are present in vagal afferent neurons sensitive to cholecystokinin, suggesting that the role of these peptides in feeding may be explained partly by mediating postprandial satiety effects of chole cysteine. Expand
Preferential Increases in Nucleus Accumbens Dopamine after Systemic Cocaine Administration Are Caused by Unique Characteristics of Dopamine Neurotransmission
TLDR
The lower rates for dopamine release and uptake measured in the nucleus accumbens were found to underlie the preferential increase in extracellular dopamine after cocaine, explaining the paradox that cocaine more effectively increases accumbal dopamine despite identical effects on the dopamine transporter in the two regions. Expand
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