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Sökning: WFRF:(Zetterberg Henrik 1973 ) > Övrigt vetenskapligt/konstnärligt

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  • Andreasson, Ulf, 1968, et al. (författare)
  • Method and Clinical Validation of Biomarkers for Neurodegenerative Diseases
  • 2021
  • Ingår i: Cerebrospinal Fluid Biomarkers. Neuromethods, vol 168. Teunissen C.E., Zetterberg H. (eds). - New York, NY : Springer. - 0893-2336. - 9781071613184 ; , s. 163-173
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • In the Merriam-Webster dictionary, one definition of the word valid is “well-grounded or justifiable: being at once relevant and meaningful.” Validation is then the process of determining the degree of validity. From this broad definition, it follows that validations can be made in many different fields with quite different implications. When talking about validation, it is therefore important to specify the subject under scrutiny and in this chapter the focus will be on validation of biomarkers. © 2021, Springer Science+Business Media, LLC, part of Springer Nature.
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  • Blennow, Kaj, 1958, et al. (författare)
  • Likvoranalyser : Del av: Sjukdomar i centrala nervsystemet
  • 2012
  • Ingår i: Laurells Klinisk kemi i praktisk medicin 9., [rev. och utök.] uppl. /redaktion: Peter Nilsson-Ehle, Maria Berggren Söderlund, Elvar Theodorsson ; redaktionskommitté: Charlotte Becker, Kjell Grankvist, Anders Grubb, Göran Lindstedt, Per Simonsson. - LUND : Studentlitteratur. - 9789144047874
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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  • Bolton, Corey J, et al. (författare)
  • Sex and Education Modify the Association Between Subjective Cognitive Decline and Amyloid Pathology.
  • 2023
  • Ingår i: medRxiv : the preprint server for health sciences.
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Subjective cognitive decline (SCD) may be an early risk factor for dementia, particularly in highly educated individuals and women. This study examined the effect of education and sex on the association between SCD and Alzheimer's disease (AD) biomarkers in non-demented older adults.Vanderbilt Memory and Aging Project participants free of clinical dementia or stroke (n=156, 72±6 years, 37% mild cognitive impairment, 33% female) completed fasting lumbar puncture, SCD assessment, and Wide Range Achievement Test-III Reading subtest to assess reading level at baseline as a a proxy for educational quality. Cerebrospinal fluid (CSF) biomarkers for AD (β-amyloid 42 (Aβ42), Aβ42/40 ratio, phosphorylated tau (p-tau), tau, and neurofilament light (NfL)) were analyzed in batch. Linear mixed effects models related SCD to CSF AD biomarkers and follow-up models assessed SCD x sex, SCD x reading level , and SCD x education interactions on AD biomarkers.In main effect models, higher SCD was associated with lower Aβ42 and Aβ42/40 ratio (p-values<0.004). SCD was not associated with tau, p-tau, or NfL levels ( p- values>0.38). SCD score interacted with sex on Aβ42/40 ratio ( p =0.03) but no other biomarkers ( p -values>0.10). In stratified models, higher SCD was associated with lower Aβ42/40 ratio in men ( p =0.0003) but not in women ( p =0.48). SCD score interacted with education on Aβ42 ( p =0.005) and Aβ42/40 ratio ( p =0.001) such that higher education was associated with a stronger negative association between SCD and amyloid levels. No SCD score x reading level interaction was found (p-values> 0.51) though significant associations between SCD and amyloid markers were seen in the higher reading level group (p-values<0.004) but not the lower reading level group (p-values>0.12) when stratified by a median split in reading level.Among community-dwelling older adults free of clinical dementia, higher SCD was associated with greater cerebral amyloid accumulation, one of the earliest pathological AD changes. SCD appears most useful in detecting early AD-related brain changes in men and individuals with higher quantity and quality of education. SCD was not associated with CSF markers of tau pathology or neurodegeneration. These findings suggest that considering sex and education is important when assessing SCD in older adults.
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