Publications by authors named "Y Anouar"

pathological pain and Attention-deficit/hyperactivity disorder (ADHD) are two complex multifactorial syndromes. The comorbidity of ADHD and altered pain perception is well documented in children, adolescents, and adults. According to pathophysiological investigations, the dopaminergic system's dysfunction provides a common basis for ADHD and comorbid pain.

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Maladaptive cardiac hypertrophy contributes to the development of heart failure (HF). The oxidoreductase Selenoprotein T (SELENOT) emerged as a key regulator during rat cardiogenesis and acute cardiac protection. However, its action in chronic settings of cardiac dysfunction is not understood.

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Article Synopsis
  • The study investigated the effects of DM506, a non-hallucinogenic compound from ibogamine, on anxiety and sedation in mice using various behavioral tests.
  • Findings revealed that a dose of 15 mg/kg DM506 provided both acute and lasting anxiolytic effects, while higher doses (40 mg/kg) produced sedative effects that could be blocked by a specific 5-HT receptor antagonist.
  • Electroencephalography showed that DM506 altered brain activity from alertness to deep sleep, demonstrating its potential as a safe anxiolytic and sedative without the hallucinogenic side effects typical of other compounds.
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Parkinson's disease (PD) is a neurodegenerative disorder that progresses over time and is characterized by preferential reduction of dopaminergic neurons in the substantia nigra. Although the precise mechanisms leading to cell death in neurodegenerative disorders, such as PD, are not fully understood, it is widely accepted that increased oxidative stress may be a prevalent factor contributing to the deterioration of the nigrostriatal dopaminergic fibers in such conditions. Aminochrome, generated from dopamine (DA) metabolism, plays an important role in multiple pathogenic mechanisms associated with PD.

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Article Synopsis
  • Cardiac lipotoxicity, a problem linked to obesity, can lead to cell death in heart cells (cardiomyocytes), but a peptide called PSELT shows promise in protecting against this damage.
  • PSELT helps to prevent oxidative stress and maintains important proteins like SELENOT while also regulating the activity of CD36, the main fatty acid transporter, countering the damage caused by palmitate exposure.
  • Additionally, PSELT enhances mitochondrial function and structure, preserving energy production and cellular health in cardiomyocytes, as confirmed by various experiments including electron microscopy.
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