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István Katona

2 papers in the library · publishing 2019

Papers

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Prenatal THC exposure produces a hyperdopaminergic phenotype rescued by pregnenolone

Nature Neuroscience September 11, 2019 R. Frau, Vivien Miczán, F. Traccis et al.

The increased legal availability of cannabis has led to a common misconception that it is a safe natural remedy for, among others, pregnancy-related ailments such as morning sickness. Emerging clinical evidence, however, indicates that prenatal cannabis exposure (PCE) predisposes offspring to various neuropsychiatric disorders linked to aberrant dopaminergic function. Yet, our knowledge of how...

An endocannabinoid-nitric oxide signaling switch triggers reciprocal inhibitory-excitatory plasticity at dopamine neuron inputs following prenatal cannabinoid exposure

Valeria Serra, Federico Brandalise, Vivien Miczán et al.

Abstract Dynamic regulation of midbrain dopamine neuron activity is necessary for diverse processes including motivation, novelty detection, reinforcement learning, and cognitive flexibility. By setting the strength of synaptic inputs to dopaminergic neurons, endocannabinoid signaling is essential for regulating dopaminergic activity. Prenatal exposure to Δ9-tetrahydrocannabinol (THC), the main...