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To determine if subjects enrolled in the University of Kentucky longitudinal aging study who used antihypertensive drugs showed diminished progression to dementia, we used a 3-parameter logistic regression model to compare the rate of progression to dementia for subjects who used any of the five common categories of antihypertensive drugs to those with similar demographic characteristics but who did not use antihypertensives. Regression modeling showed that subjects who used calcium channel blockers (CCBs) but not the other classes of antihypertensives showed a significant decrease in the rate of progression to dementia. Significantly, use of CCBs ameliorated the negative effects of the presence of APOE-4 alleles on cognitive decline. To determine if CCBs could minimize amyloid beta peptide (A<jats:italic>\u03b2<\/jats:italic><jats:sub>1\u201342<\/jats:sub>) production, H4 neuroglioma cultures transfected to overexpress APP were treated with various CCBs and A<jats:italic>\u03b2<\/jats:italic><jats:sub>1\u201342<\/jats:sub>levels and levels of proteins involved in A<jats:italic>\u03b2<\/jats:italic>production were quantified. Results show that treatment with nifedipine led to a significant decrease in levels of A<jats:italic>\u03b2<\/jats:italic><jats:sub>1\u201342<\/jats:sub>, with no significant decrease in cell viability. Collectively, these data suggest that use of CCBs significantly diminishes the rate of progression to dementia and may minimize formation of A<jats:italic>\u03b2<\/jats:italic><jats:sub>1\u201342<\/jats:sub>.<\/jats:p>","DOI":"10.1155\/2015\/787805","type":"journal-article","created":{"date-parts":[[2015,6,28]],"date-time":"2015-06-28T17:02:55Z","timestamp":1435510975000},"page":"1-9","source":"Crossref","is-referenced-by-count":45,"title":["Calcium Channel Blockers, Progression to Dementia, and Effects on Amyloid Beta Peptide Production"],"prefix":"10.1155","volume":"2015","author":[{"given":"Mark A.","family":"Lovell","sequence":"first","affiliation":[{"name":"Department of Chemistry, University of Kentucky, Lexington, KY 40506, USA"},{"name":"Sanders-Brown Center on Aging and Alzheimer\u2019s Disease Center, University of Kentucky, Lexington, KY 40536, 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