Dopamine Signaling in Substantia Nigra and Its Impact on Locomotor Function—Not a New Concept, but Neglected Reality

MF Salvatore - International Journal of Molecular Sciences, 2024 - mdpi.com
The mechanistic influences of dopamine (DA) signaling and impact on motor function are
nearly always interpreted from changes in nigrostriatal neuron terminals in striatum. This is a …

Nigral-specific increase in ser31 phosphorylation compensates for tyrosine hydroxylase protein and nigrostriatal neuron loss: Implications for delaying parkinsonian …

EA Kasanga, Y Han, MK Shifflet, W Navarrete… - Experimental …, 2023 - Elsevier
Compensatory mechanisms that augment dopamine (DA) signaling are thought to mitigate
onset of hypokinesia prior to major loss of tyrosine hydroxylase (TH) in striatum that occurs …

Differential expression of RET and GDNF family receptor, GFR-α1, between striatum and substantia nigra following nigrostriatal lesion: A case for diminished GDNF …

EA Kasanga, Y Han, W Navarrete, R McManus… - Experimental …, 2023 - Elsevier
Although glial cell line-derived neurotrophic factor (GDNF) showed efficacy in preclinical
and early clinical studies to alleviate parkinsonian signs in Parkinson's disease (PD), later …

Aging accelerates locomotor decline in PINK1 knockout rats in association with decreased nigral, but not striatal, dopamine and tyrosine hydroxylase expression

I Soto, R McManus, W Navarrete, EA Kasanga… - Experimental …, 2024 - Elsevier
Parkinson's disease (PD) rodent models provide insight into the relationship between
nigrostriatal dopamine (DA) signaling and locomotor function. Although toxin-based rat …

Dopamine D1–D5 Receptors in Brain Nuclei: Implications for Health and Disease

I Kawahata, DI Finkelstein, K Fukunaga - Receptors, 2024 - mdpi.com
Understanding the intricate role of dopamine D1–D5 receptors is pivotal in addressing the
challenges posed by the aging global population, as well as by social stress and advancing …

A drug repurposing screen reveals dopamine signaling as a critical pathway underlying potential therapeutics for the rare disease DPAGT1-CDG

HM Dalton, NJ Young, AR Berman, HD Evans… - PLoS …, 2024 - journals.plos.org
DPAGT1-CDG is a Congenital Disorder of Glycosylation (CDG) that lacks effective therapies.
It is caused by mutations in the gene DPAGT1 which encodes the first enzyme in N-linked …

Moderate intensity aerobic exercise alleviates motor deficits in 6-OHDA lesioned rats and reduces serum levels of biomarkers of Parkinson's disease severity without …

EA Kasanga, I Soto, A Centner, R McManus… - Experimental …, 2024 - Elsevier
Alleviation of motor impairment by aerobic exercise (AE) in Parkinson's disease (PD)
patients points to activation of neurobiological mechanisms that may be targetable by …

Conditioned place avoidance is associated with a distinct hippocampal phenotype, partly preserved pattern separation, and reduced reactive oxygen species …

DP Kelley, L Albrechet‐Souza, S Cruise… - Genes, Brain and …, 2023 - Wiley Online Library
Stress is associated with contextual memory deficits, which may mediate avoidance of
trauma‐associated contexts in posttraumatic stress disorder. These deficits may emerge …

Nigral-specific increase in ser31 tyrosine hydroxylase phosphorylation offsets dopamine loss and forestalls hypokinesia onset during progressive nigrostriatal neuron …

EA Kasanga, Y Han, MK Shifflet, W Navarrete… - bioRxiv, 2022 - biorxiv.org
Mechanisms that augment dopamine (DA) signaling to compensate for tyrosine hydroxylase
(TH) loss and delay motor impairment in Parkinson's disease remain unidentified. The rat …

Moderate intensity aerobic exercise in 6-OHDA-lesioned rats alleviates established motor deficits and reduces neurofilament light and glial fibrillary acidic protein …

EA Kasanga, I Soto, A Centner, R McManus… - bioRxiv, 2023 - biorxiv.org
Background: Alleviation of motor impairment by aerobic exercise (AE) in Parkinsons disease
(PD) points to a CNS response that could be targeted by therapeutic approaches, but …