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Background: The therapeutic management of dementia with Lewy bodies (LBD) is a challenge given the high sensitivity to drugs in this disease. This is particularly sensitive with regard to the management of parkinsonism. In particular, treatment of motor symptoms with levodopa or dopaminergic agonists poses a risk of worsening cognitive and behavioral symptoms.
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Alzheimers Dement
December 2024
Henan Academy of Innovations in Medical Science, Zhengzhou, Henan, China.
Background: Glucagon-like peptide 1 (GLP-1) is a peptide hormone that plays several physiological roles in treating diabetes and in protecting the brain. Recent clinical trials testing 4 different GLP-1 class drugs in phase 2 trials showed a clear correlation between neuroprotection and the ability to cross the BBB. Exenatide and Lixisenatide both showed excellent protective effects in patients Parkinson's disease (PD) and both drugs can readily cross the BBB.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
School of Medical & Allied Sciences, K.R. Mangalam University, Gurugram, Haryana, India.
Background: Parkinson's disease is an 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. Filgrastim has been reported to produce anti-oxidant, anti-inflammatory and neuromodulatory actions in previous studies.
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Alzheimers Dement
December 2024
MRC Protein Phosphorylation and Ubiquitylation Unit, Dundee, Scotland, United Kingdom.
Background: Accumulation of misfolded a-synuclein protein in intracellular inclusion bodies of dopaminergic neurons underlies the pathogenesis of synucleinopathies, which include Parkinson's Disease (PD), Dementia with Lewy Bodies (DLB) and Multiple System Atrophy (MSA). Therefore, clearance of misfolded α-synuclein from dopaminergic neurons could in principle offer a an approach for modifying synucleinopathies, which currently remain untreatable.
Method: In this study, we employ the Affinity-directed PROtein Missile (AdPROM) system consisting of the substrate receptor of the CUL2-E3 ligase complex VHL and a nanobody selectively recognising the human α-synuclein protein RESULT: We demonstrate targeted degradation of endogenous α-synuclein from human cell lines with exquisite selectivity.
Drug Development.
Alzheimers Dement
December 2024
National Institute on Aging, NIH, Baltimore, MD, USA.
Background: Epidemiological studies report an elevated risk of neurodegenerative disorders, particularly Parkinson's disease (PD), in patients with type 2 diabetes mellitus (T2DM) that is mitigated in those prescribed incretin mimetics or dipeptidyl peptidase 4 inhibitors (DPP-4Is). Incretin mimetic repurposing appears promising in human PD and Alzheimer's disease (AD) clinical trials. DPP-4Is are yet to be evaluated in PD or AD human studies.
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