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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4536103 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0135764 | PLOS |
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Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
School of Medical & Allied Sciences, K.R. Mangalam University, Gurugram, Haryana, India.
Background: Parkinson's disease is a hypokinetic disorder characterized by selective loss of dopaminergic in substantia nigra pars compacta (SNPc) region of mid-brain. Dopaminergic degeneration of neurons is considered to be due to oxidative stress, neuroinflammation, neurons mitochondrial dysfunction and glutamate excitotoxicity etc. Inosine a purine nucleoside has been reported to produce anti-oxidant, anti-inflammatory and neuromodulatory actions in previous studies.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Exeter, Exeter, Devon, United Kingdom.
Background: Huntington's disease (HD) is an autosomal dominant condition causing severe neurodegeneration in the striatum and the entorhinal cortex (EC). An epigenome wide association study of DNA methylation in HD by our group, identified potential hypomethylation at the PTGDS gene in the striatum. We aimed to validate this result through pyrosequencing, examining the locus in fine detail, and to assess the signal specificity by profiling multiple neurodegenerative diseases.
View Article and Find Full Text PDFResponse to clozapine in treatment resistant schizophrenia is related to alterations in regional cerebral blood flow.
Schizophrenia (Heidelb)
December 2024
Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
PET and SPECT studies in treatment-resistant schizophrenia (TRS) have revealed significant alterations in regional cerebral blood flow (CBF) during clozapine treatment, which may vary according to the clinical response. Here, we used the more recent MRI approach of arterial spin labelling (ASL) to evaluate regional CBF in participants with TRS (N = 36) before starting treatment with clozapine compared to in healthy volunteers (N = 16). We then compared CBF in the TRS group, before and after 12 weeks of treatment with clozapine (N = 24); and examined the relationship of those differences against changes in Positive and Negative Syndrome Scale for Schizophrenia (PANSS) scores over the treatment period.
View Article and Find Full Text PDFAddressing brain metabolic connectivity in treatment-resistant schizophrenia: a novel graph theory-driven application of F-FDG-PET with antipsychotic dose correction.
Schizophrenia (Heidelb)
December 2024
Section of Psychiatry, Laboratory of Molecular and Translational Psychiatry, Unit of Treatment-Resistant Psychiatric Disorders, Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples "Federico II", School of Medicine, Naples Italy, Via Pansini 5, 80131, Naples, Italy.
Few studies using Positron Emission Tomography with F-fluorodeoxyglucose (F-FDG-PET) have examined the neurobiological basis of antipsychotic resistance in schizophrenia, primarily focusing on metabolic activity, with none investigating connectivity patterns. Here, we aimed to explore differential patterns of glucose metabolism between patients and controls (CTRL) through a graph theory-based approach and network comparison tests. PET scans with F-FDG were obtained by 70 subjects, 26 with treatment-resistant schizophrenia (TRS), 28 patients responsive to antipsychotics (nTRS), and 16 CTRL.
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