Serum Parathyroid Hormone, 25-Hydroxyvitamin D, and Risk of Alzheimer's Disease: A Mendelian Randomization Study

Serum Parathyroid Hormone, 25-Hydroxyvitamin D, and Risk of Alzheimer's Disease : A Mendelian Randomization Study

Larsson, Susanna C (author): Karolinska Institutet,Uppsala universitet,Ortopedi

Traylor, Matthew (author): Univ Cambridge, Dept Clin Neurosci, Stroke Res Grp, Cambridge, England

Markus, Hugh S (author): Univ Cambridge, Dept Clin Neurosci, Stroke Res Grp, Cambridge, England

(creator_code:org_t)

Related links:: https://doi.org/10.3...; show more...; https://uu.diva-port... (primary) (Raw object); https://www.mdpi.com...; https://urn.kb.se/re...; https://doi.org/10.3...; http://kipublication...; show less...

Abstract Subject headings

We conducted Mendelian randomization analyses to investigate the associations of serum parathyroid hormone (S-PTH) and serum 25-hydroxyvitamin D (S-25OHD) concentrations with Alzheimer's disease (AD). Five and seven single nucleotide polymorphisms associated with S-PTH and S-25OHD concentrations, respectively, were used as instrumental variables. Data for AD were acquired from the International Genomics of Alzheimer's Project (17,008 AD cases and 37,154 controls). Genetically higher S-PTH concentrations were not associated with AD (odds ratio per standard deviation increase in S-PTH = 1.11; 95% CI 0.97-1.26; p = 0.12). In contrast, all seven 25OHD-increasing alleles were inversely associated with AD and two of the associations were statistically significant (p < 0.05). The odds ratio of AD per genetically-predicted one standard deviation increase in S-25OHD was 0.86 (95% CI 0.78-0.94; p = 0.002). This study provides evidence that vitamin D may play a role in AD but found no significant association between S-PTH and AD.

By the author/editor: Larsson, Susanna ...; Traylor, Matthew; Markus, Hugh S; Michaëlsson, Kar ...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Orthopaedics

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