Sex-specific disruption of murine midbrain astrocytic and dopaminergic developmental trajectories following antenatal GC treatment [PDF]
The mammalian midbrain dopaminergic systems arising in the substantia nigra pars compacta (SNc) and ventral tegmental area (VTA) are critical for coping behaviours and are implicated in neuropsychiatric disorders where early life challenges comprise ...
Pienaar, Ilse +18 more
core +2 more sources
Hederagenin Attenuates Morphine Addiction via GABAA1-Mediated Modulation of Ca<sup>2</sup> <sup>+</sup>-CaMK-CREB Signaling in Ventral Tegmental Dopaminergic Neurons. [PDF]
Hederagenin is identified as a GABAA1‐targeting natural compound that suppresses morphine‐associated reward by restraining Ca2+–CaMK–cAMP–CREB signaling in ventral tegmental dopaminergic neurons. RVG29‐modified liposomal delivery further enhances brain accumulation and behavioral efficacy, providing a mechanistically defined strategy for natural ...
Jiang H +15 more
europepmc +2 more sources
An Intrinsic Neuronal Oscillator Underlies Dopaminergic Neuron Bursting [PDF]
Dopaminergic neurons of the ventral midbrain fire high-frequency bursts when animals are presented with unexpected rewards, or stimuli that predict reward. To identify the afferents that can initiate bursting and establish therapeutic strategies for diseases affected by altered bursting, a mechanistic understanding of bursting is ...
Christopher A, Deister +3 more
openaire +2 more sources
Endoplasmic reticulum-mitochondrial contact sites (ERMCS) play an important role in mitochondrial dynamics, calcium signaling, and autophagy. Disruption of the ERMCS has been linked to several neurodegenerative diseases, including Alzheimer’s disease (AD)
Mutsumi Yokota +12 more
doaj +1 more source
Treg Cells Protect Dopaminergic Neurons against MPP+ Neurotoxicity via CD47-SIRPA Interaction
Background/Aims: Regulatory T (Treg) cells have been associated with neuroprotection by inhibiting microglial activation in animal models of Parkinson's disease (PD), a progressive neurodegenerative disease characterized by dopaminergic neuronal loss in ...
Yan Huang +4 more
doaj +1 more source
Dopaminergic Neurons Intrinsic to the Primate Striatum [PDF]
Intrinsic, striatal tyrosine hydroxylase-immunoreactive (TH-i) cells have received little consideration. In this study we have characterized these neurons and their regulatory response to nigrostriatal dopaminergic deafferentation. TH-i cells were observed in the striatum of both control and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated ...
R, Betarbet +7 more
openaire +2 more sources
Pharmacogenetic stimulation of cholinergic pedunculopontine neurons reverses motor deficits in a rat model of Parkinson's disease [PDF]
Background Patients with advanced Parkinson's disease (PD) often present with axial symptoms, including postural- and gait difficulties that respond poorly to dopaminergic agents.
Pienaar, Ilse +28 more
core +1 more source
Discovery of nigral dopaminergic neurogenesis in adult mice
Parkinson′s disease is characterized by the loss of dopaminergic neurons in the substantia nigra. As a result, intensive efforts have focused upon mechanisms that facilitate the death of mature dopaminergic neurons. Unfortunately, these efforts have been
Brad E Morrison
doaj +1 more source
Immediate early gene expression in the mesopontine tegmentum and midbrain after acute or chronic nicotine administration [PDF]
The reinforcing properties of nicotine depend partly on cholinergic projections from the pedunculopontine tegmental (PPTg) and laterodorsal tegmental (LDTg) nuclei to midbrain dopamine neurons in the ventral tegmental area (VTA) and substantia nigra pars
Porter, Ailsa
core +2 more sources
Olfactory dysfunction represents a prodromal stage in Parkinson’s disease (PD). However, the mechanisms underlying hyposmia are not specified yet.
Yu Yuan +8 more
doaj +1 more source

