A Cross-Sectional Study of Protein Changes Associated with Dementia in Non-Obese Weight Matched Women with and without Polycystic Ovary Syndrome

Butler, Alexandra E.; Moin, Abu Saleh Md; Sathyapalan, Thozhukat; Atkin, Stephen L.

Abstract

Dysregulated Alzheimer’s disease (AD)-associated protein expression is reported in polycystic ovary syndrome (PCOS), paralleling the expression reported in type 2 diabetes (T2D). We hypothesized, however, that these proteins would not differ between women with non-obese and non-insulin resistant PCOS compared to matched control subjects. We measured plasma amyloid-related proteins levels (Amyloid-precursor protein (APP), alpha-synuclein (SNCA), amyloid P-component (APCS), Pappalysin (PAPPA), Microtubule-associated protein tau (MAPT), apolipoprotein E (apoE), apoE2, apoE3, apoE4, Serum amyloid A (SAA), Noggin (NOG) and apoA1) in weight and aged-matched non-obese PCOS (n = 24) and control (n = 24) women. Dementia-related proteins fibronectin (FN), FN1.3, FN1.4, Von Willebrand factor (VWF) and extracellular matrix protein 1 (ECM1) were also measured. Protein levels were determined by Slow Off-rate Modified Aptamer (SOMA)-scan plasma protein measurement. Only APCS differed between groups, being elevated in non-obese PCOS women (p = 0.03) relative to the non-obese control women. This differed markedly from the elevated APP, APCS, ApoE, FN, FN1.3, FN1.4 and VWF reported in obese women with PCOS. Non-obese, non-insulin resistant PCOS subjects have a lower AD-associated protein pattern risk profile versus obese insulin resistant PCOS women, and are not dissimilar to non-obese controls, indicating that lifestyle management to maintain optimal body weight could be beneficial to reduce the long-term AD-risk in women with PCOS.

Citation

Butler, A. E., Moin, A. S. M., Sathyapalan, T., & Atkin, S. L. (2024). A Cross-Sectional Study of Protein Changes Associated with Dementia in Non-Obese Weight Matched Women with and without Polycystic Ovary Syndrome. International Journal of Molecular Sciences, 25(4), Article 2409. https://doi.org/10.3390/ijms25042409

• Journal Article Type: Article
• Acceptance Date: Jan 16, 2024
• Online Publication Date: Jan 18, 2024
• Publication Date: Feb 2, 2024
• Deposit Date: Mar 17, 2024
• Publicly Available Date: Mar 19, 2024
• Journal: International Journal of Molecular Sciences
• Electronic ISSN: 1422-0067
• Publisher: MDPI
• Peer Reviewed: Peer Reviewed
• Volume: 25
• Issue: 4
• Article Number: 2409
• DOI: https://doi.org/10.3390/ijms25042409
• Keywords: Polycystic ovary syndrome; PCOS; Amyloid-associated proteins; Alzheimer’s disease
• Public URL: https://hull-repository.worktribe.com/output/4577793