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Sökning: L773:1531 8257 > Hall Sara

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1.
  • Ayton, Scott, et al. (författare)
  • The Neuroinflammatory Acute Phase Response in Parkinsonian-Related Disorders
  • 2022
  • Ingår i: Movement Disorders. - : Wiley. - 0885-3185 .- 1531-8257. ; 37:5, s. 993-1003
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Neuroinflammation is implicated in the pathophysiology of Parkinson's disease (PD) and related conditions, yet prior clinical biomarker data report mixed findings. Objectives: The aim was to measure a panel of neuroinflammatory acute phase response (APR) proteins in the cerebrospinal fluid (CSF) of participants with PD and related disorders. Methods: Eleven APR proteins were measured in the CSF of 867 participants from the BioFINDER cohort who were healthy (612) or had a diagnosis of PD (155), multiple system atrophy (MSA) (26), progressive supranuclear palsy (PSP) (22), dementia with Lewy bodies (DLB) (23), or Parkinson’s disease with dementia (PDD) (29). Results: CSF APR proteins were mostly unchanged in PD, with only haptoglobin and α1-antitrypsin significantly elevated compared to controls. These proteins were variably increased in the other disorders. Certain protein components yielded unique signatures according to diagnosis: ferritin and transthyretin were selectively elevated in MSA and discriminated these patients from all others. Haptoglobin was selectively increased in PSP, discriminating this disease from MSA when used in combination with ferritin and transthyretin. This panel of proteins did not correlate well with severity of motor impairment in any disease category, but several (particularly ceruloplasmin and ferritin) were associated with memory performance (Mini-Mental State Examination) in patients with DLB and PDD. Conclusions: These findings provide new insights into inflammatory changes in PD and related disorders while also introducing biomarkers of potential clinical diagnostic utility.
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2.
  • Hall, Sara, et al. (författare)
  • Cerebrospinal fluid levels of neurogranin in Parkinsonian disorders
  • 2020
  • Ingår i: Movement Disorders. - : Wiley. - 0885-3185 .- 1531-8257. ; 35:3, s. 513-518
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: CSF concentration of neurogranin has been suggested as a biomarker for synapse dysfunction. Objectives: To investigate CSF neurogranin in parkinsonian disorders compared to controls and Alzheimer's disease and the possible correlations between neurogranin and cognitive and motor impairment. Methods: We included 157 patients with PD, 29 with PD with dementia, 11 with dementia with Lewy bodies, 26 with MSA, 21 with PSP, 6 with corticobasal syndrome, 47 controls, and 124 with Alzheimer's disease. CSF neurogranin was measured using two enzyme-linked immunosorbent assays; from EUROIMMUN and the University of Gothenburg. Results: We found a strong correlation between CSF neurogranin-EI and CSF neurogranin–University of Gothenburg (Rs = 0.890; P < 0.001). Neurogranin was decreased in PD, PD with dementia, MSA, and PSP compared to controls and Alzheimer's disease. Neurogranin did not correlate with motor or cognitive impairment, longitudinal decline, or progression to dementia in PD. Conclusions: CSF neurogranin is decreased in parkinsonian disorders compared to controls, emphasizing the importance of synaptic dysfunction in these disorders.
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3.
  • Hall, Sara, et al. (författare)
  • Longitudinal Measurements of Cerebrospinal Fluid Biomarkers in Parkinson's Disease.
  • 2016
  • Ingår i: Movement disorders : official journal of the Movement Disorder Society. - : Wiley. - 1531-8257 .- 0885-3185. ; 31:6, s. 898-905
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study was to investigate whether cerebrospinal fluid (CSF) levels of tau, phosphorylated tau, β-amyloid42 , α-synuclein, neurofilament light, and YKL-40 change over time and if changes correlate with motor progression and/or cognitive decline in patients with PD and controls.
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4.
  • Hall, Sara, et al. (författare)
  • Plasma Phospho-Tau Identifies Alzheimer's Co-Pathology in Patients with Lewy Body Disease
  • 2021
  • Ingår i: Movement Disorders. - : Wiley. - 0885-3185 .- 1531-8257. ; 36:3, s. 767-771
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Alzheimer's disease co-pathology is common in dementia with Lewy bodies and Parkinson's disease with dementia (Lewy body disease) and can reliably be detected with positron emission tomography (PET) or cerebrospinal fluid (CSF) biomarkers. Recently developed blood biomarkers are more accessible and less expensive alternatives. Objective: To investigate if plasma phospho-tau217 and phospho-tau181 can detect Alzheimer's pathology in Lewy body disease with dementia. Methods: In this cross-sectional study we investigated plasma phospho-tau217 and phospho-tau181 in 35 patients with Lewy body disease with dementia. Patients underwent tau-PET imaging (18F-RO948). Results: Plasma phospho-tau217 correlated with plasma phospho-tau181, CSF phospho-tau217 (rs = 0.68, P < 0.001), and negatively with CSF β-amyloid42/40 (rs = −0.52, P = 0.001). Plasma phospho-tau217 and phospho-tau181 correlated with tau-PET signal in the temporal cortex (rs > 0.56, P < 0.001) and predicted abnormal tau-PET status and β-amyloid status (area under the curve > 0.78 and > 0.81, respectively). Conclusion: Plasma phospho-tau might be a useful marker for Alzheimer's co-pathology in Lewy body disease with dementia.
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