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Access to high-fat diet results in increased sensitivity to the psychostimulant effects of MDPV in mice.
Pharmacol Rep
January 2025
Research Laboratory CoreLab of the Medical University of Lodz, Łódź, Poland.
Background: The current study investigated the effects of high-fat diet on acute response to 3,4-methylenedioxypyrovalerone (MDPV) in mice. MDPV is a beta-cathinone derivative endowed with psychostimulant activity. Similarly to recreational substances, consumption of palatable food stimulates the mesolimbic dopaminergic system, resulting in neuroadaptive changes.
View Article and Find Full Text PDFBackground: Deficiency in the lysosomal enzyme, glucocerebrosidase (GCase), caused by mutations in the GBA1 gene, is the most common genetic risk factor for Parkinson's disease (PD). However, the consequence of reduced enzyme activity within neural cell sub-types remains ambiguous. Thus, the purpose of this study was to define the effect of GCase deficiency specifically in human astrocytes and test their non-cell autonomous influence upon dopaminergic neurons in a midbrain organoid model of PD.
View Article and Find Full Text PDFAmphetamines (AMPHs) are psychostimulants commonly used for the treatment of neuropsychiatric disorders. They are also misused (AMPH use disorder; AUD), with devastating outcomes. Recent studies have implicated dysbiosis in the pathogenesis of AUD.
View Article and Find Full Text PDFEvolving Landscape of Parkinson's Disease Research: Challenges and Perspectives.
ACS Omega
January 2025
CAS, a division of the American Chemical Society, Columbus, Ohio 43210, United States.
Parkinson's disease (PD) is a progressive neurodegenerative disorder that primarily affects movement. It occurs due to a gradual deficit of dopamine-producing brain cells, particularly in the substantia nigra. The precise etiology of PD is not fully understood, but it likely involves a combination of genetic and environmental factors.
View Article and Find Full Text PDFMelatonin attenuates MPP-induced autophagy heat shock protein in the Parkinson's disease mouse model.
PeerJ
January 2025
Medical section, Jiang Ling County People's Hospital, Hubei, Jiangling County, Jingzhou City, China.
Background: This study investigates the protective properties of melatonin in an Parkinson's disease (PD) model, focusing on the underlying mechanisms involving heat shock proteins (HSPs).
Methods: Twelve adult male C57BL/6 mice were randomly divided into four groups (normal control, melatonin control, Parkinson's model, and melatonin treatment; = 3 per group) and housed in a single cage. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) was injected intraperitoneally in the Parkinson's model and treatment groups to establish a subacute PD model, while controls received saline.
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