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Peter A. LeWitt

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Open access Aug 2026

Impaired olfaction and Parkinsonism: A “hidden gem” in the neurological literature

Clinical observations have supplemented findings by Braak and colleagues demonstrating that, like impaired sense of smell, olfactory bulb involvement by Lewy pathology is a common early feature in Parkinson disease.

Grace V. Chen, Peter A. LeWitt · 0 citations
Review Open access Sep 2026

Polyamines across neurodegenerative proteinopathies.

Polyamines (PAs) are evolutionarily conserved metabolites that connect protein quality control with lysosomal, mitochondrial, and redox homeostasis. Their metabolism is situated at a critical intersection of cell-sustaining and neurodegenerative pathways. Here, we synthesize evidence across Alzheimer's disease, Parkins...

Bedri Ranxhi, Peter A. LeWitt, Wei-Ling Tsou et al. · 0 citations
Open access Aug 2026

Ophthalmate tripeptide is a signaling molecule that regulates striatal neurotransmission

OA is established as a striatal neuromodulator that interacts with other neurotransmitter systems and preferentially potentiates direct-pathway transmission, with major relevance to Parkinson's disease and other movement disorders.

Dana Shevachman, Archana Proddutur, Shwetakumari Sharma et al. · 0 citations
Editorial Open access Aug 2026

Imaging Biomarkers in Parkinson's Disease and Movement Disorders: Emerging Insights from Multimodal Neuroimaging.

While these multimodal biomarkers offer unprecedented mechanistic insights into disease progression and therapeutic response, their ultimate value depends on successful clinical translation, it would be essential for the field to prioritize standardized acquisition protocols, automated post-processing pipelines, and ac...

E. Haacke, S. Buch, Naying He et al. · 0 citations

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