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Venous compression causes chronic cerebral ischaemia in normal pressure hydrocephalus patients.
Fluids Barriers CNS
January 2025
Department of Neurosurgery, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan.
Background: Cerebral autoregulation is a robust regulatory mechanism that stabilizes cerebral blood flow in response to reduced blood pressure, thereby preventing cerebral ischaemia. Scientists have long believed that cerebral autoregulation also stabilizes cerebral blood flow against increases in intracranial pressure, which is another component that determines cerebral perfusion pressure. However, this idea was inconsistent with the complex pathogenesis of normal pressure hydrocephalus, which includes components of chronic cerebral ischaemia due to mild increases in intracranial pressure.
View Article and Find Full Text PDFPotential drug targets for asthma identified through mendelian randomization analysis.
Respir Res
January 2025
Department of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China.
Background: The emergence of new molecular targeted drugs marks a breakthrough in asthma treatment, particularly for severe cases. Yet, options for moderate-to-severe asthma treatment remain limited, highlighting the urgent need for novel therapeutic drug targets. In this study, we aimed to identify new treatment targets for asthma using the Mendelian randomization method and large-scale genome-wide association data (GWAS).
View Article and Find Full Text PDFGenome-wide association study unravels mechanisms of brain glymphatic activity.
Nat Commun
January 2025
Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China.
Brain glymphatic activity, as indicated by diffusion-tensor imaging analysis along the perivascular space (ALPS) index, is involved in developmental neuropsychiatric and neurodegenerative diseases, but its genetic architecture is poorly understood. Here, we identified 17 unique genome-wide significant loci and 161 candidate genes linked to the ALPS-indexes in a discovery sample of 31,021 individuals from the UK Biobank. Seven loci were replicated in two independent datasets.
View Article and Find Full Text PDFAnti-amyloid therapy and cerebral blood flow changes on Magnetic Resonance Imaging: a potential longitudinal biomarker of treatment response?
AJNR Am J Neuroradiol
January 2025
From the Department of Department of Radiology, Brain Health Imaging Institute (A.R-F, J.I, S.P, M.d, G.C.C) Weill Cornell Medicine, New York-Presbyterian Hospital, New York, New York, USA; the Department of Neurology (A.R-F), Pontificia Universidad Javeriana, Bogota, Colombia; the Department of Radiology, Division of Molecular Imaging and Therapeutics (A.R-F, J.I) Weill Cornell Medicine, New York-Presbyterian Hospital, New York, New York, USA; the Department of Neurology (D.Z, MM, L.R, A.S.N) Weill Cornell Medicine, New York-Presbyterian Hospital, New York, New York, USA.
Amyloid-targeting therapy has recently become widely available in the U.S. for the treatment of patients with symptomatic mild Alzheimer's disease (AD).
View Article and Find Full Text PDFNanoparticle Association with Brain Cells Is Augmented by Protein Coronas Formed in Cerebrospinal Fluid.
Mol Pharm
January 2025
School of Life Sciences, University of Technology Sydney, Sydney 2007, New South Wales, Australia.
Neuronanomedicine harnesses nanoparticle technology for the treatment of neurological disorders. An unavoidable consequence of nanoparticle delivery to biological systems is the formation of a protein corona on the nanoparticle surface. Despite the well-established influence of the protein corona on nanoparticle behavior and fate, as well as FDA approval of neuro-targeted nanotherapeutics, the effect of a physiologically relevant protein corona on nanoparticle-brain cell interactions is insufficiently explored.
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