The relationship between cholesterol and cognitive function is homocysteine-dependent
Yibin Cheng,1 Yinlong Jin,1 Frederick W Unverzagt,2 Liqin Su,1 Lili Yang,3 Feng Ma,1 Ann M Hake,4,5 Carla Kettler,3 Chen Chen,1 Jingyi Liu,1 Jianchao Bian,6 Ping Li,7 Jill R Murrell,8 Hugh C Hendrie,2,9,10 Sujuan Gao3 1Institute for Environmental Health and Related Product Safety, Chinese Center fo...
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Dove Medical Press
2014
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oai:doaj.org-article:1b47196c9b184994adedd83e774e4cd12021-12-02T06:21:05ZThe relationship between cholesterol and cognitive function is homocysteine-dependent1178-1998https://doaj.org/article/1b47196c9b184994adedd83e774e4cd12014-10-01T00:00:00Zhttps://www.dovepress.com/the-relationship-between-cholesterol-and-cognitive-function-is-homocys-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Yibin Cheng,1 Yinlong Jin,1 Frederick W Unverzagt,2 Liqin Su,1 Lili Yang,3 Feng Ma,1 Ann M Hake,4,5 Carla Kettler,3 Chen Chen,1 Jingyi Liu,1 Jianchao Bian,6 Ping Li,7 Jill R Murrell,8 Hugh C Hendrie,2,9,10 Sujuan Gao3 1Institute for Environmental Health and Related Product Safety, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China; 2Department of Psychiatry, 3Department of Biostatistics, 4Department of Neurology, Indiana University School of Medicine, Indianapolis, Indiana, USA; 5Eli Lilly and Company, Indianapolis, Indiana, USA; 6Shandong Institute for Prevention and Treatment of Endemic Disease in China, Jinan, People’s Republic of China; 7Sichuan Provincial Center for Disease Control and Prevention in China, Chengdu, People’s Republic of China; 8Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, 9Indiana University Center for Aging Research, 10Regenstrief Institute, Inc., Indianapolis, Indiana, USA Introduction: Previous studies have identified hyperlipidemia as a potential risk factor for dementia and Alzheimer’s disease. However, studies on cholesterol measured in late-life and cognitive function have been inconsistent. Few studies have explored nonlinear relationships or considered interactions with other biomarker measures.Methods: A cross-sectional sample of 1,889 participants from four rural counties in the People’s Republic of China was included in this analysis. Serum total cholesterol, high-density lipoprotein, triglycerides, and homocysteine levels were measured in fasting blood samples. A composite cognitive score was derived based on nine standardized cognitive test scores. Analysis of covariance models were used to investigate the association between biomarker measures and the composite cognitive scores.Results: There was a significant interaction between the homocysteine quartile group and the cholesterol quartile group on cognitive scores (P=0.0478). In participants with normal homocysteine levels, an inverse U-shaped relationship between total cholesterol level and cognitive score was found, indicating that both low and high cholesterol levels were associated with lower cognitive scores. In participants with high homocysteine levels, no significant association between cholesterol and cognition was found.Conclusion: The relationship between cholesterol levels and cognitive function depends upon homocysteine levels, suggesting an interactive role between cholesterol and homocysteine on cognitive function in the elderly population. Additional research is required to confirm our findings in other populations, and to explore potential mechanisms underlying the lipid–homocysteine interaction. Keywords: cholesterol, homocysteine, cognitive functionCheng YBJin YLUnverzagt FWSu LQYang LMa FHake AMKettler CChen CLiu JBian JCLi PMurrell JRHendrie HCGao SDove Medical PressarticlecognitionelderlylipidshomocysteineGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 9, Pp 1823-1829 (2014) |
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cognition elderly lipids homocysteine Geriatrics RC952-954.6 |
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cognition elderly lipids homocysteine Geriatrics RC952-954.6 Cheng YB Jin YL Unverzagt FW Su LQ Yang L Ma F Hake AM Kettler C Chen C Liu J Bian JC Li P Murrell JR Hendrie HC Gao S The relationship between cholesterol and cognitive function is homocysteine-dependent |
| description |
Yibin Cheng,1 Yinlong Jin,1 Frederick W Unverzagt,2 Liqin Su,1 Lili Yang,3 Feng Ma,1 Ann M Hake,4,5 Carla Kettler,3 Chen Chen,1 Jingyi Liu,1 Jianchao Bian,6 Ping Li,7 Jill R Murrell,8 Hugh C Hendrie,2,9,10 Sujuan Gao3 1Institute for Environmental Health and Related Product Safety, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China; 2Department of Psychiatry, 3Department of Biostatistics, 4Department of Neurology, Indiana University School of Medicine, Indianapolis, Indiana, USA; 5Eli Lilly and Company, Indianapolis, Indiana, USA; 6Shandong Institute for Prevention and Treatment of Endemic Disease in China, Jinan, People’s Republic of China; 7Sichuan Provincial Center for Disease Control and Prevention in China, Chengdu, People’s Republic of China; 8Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, 9Indiana University Center for Aging Research, 10Regenstrief Institute, Inc., Indianapolis, Indiana, USA Introduction: Previous studies have identified hyperlipidemia as a potential risk factor for dementia and Alzheimer’s disease. However, studies on cholesterol measured in late-life and cognitive function have been inconsistent. Few studies have explored nonlinear relationships or considered interactions with other biomarker measures.Methods: A cross-sectional sample of 1,889 participants from four rural counties in the People’s Republic of China was included in this analysis. Serum total cholesterol, high-density lipoprotein, triglycerides, and homocysteine levels were measured in fasting blood samples. A composite cognitive score was derived based on nine standardized cognitive test scores. Analysis of covariance models were used to investigate the association between biomarker measures and the composite cognitive scores.Results: There was a significant interaction between the homocysteine quartile group and the cholesterol quartile group on cognitive scores (P=0.0478). In participants with normal homocysteine levels, an inverse U-shaped relationship between total cholesterol level and cognitive score was found, indicating that both low and high cholesterol levels were associated with lower cognitive scores. In participants with high homocysteine levels, no significant association between cholesterol and cognition was found.Conclusion: The relationship between cholesterol levels and cognitive function depends upon homocysteine levels, suggesting an interactive role between cholesterol and homocysteine on cognitive function in the elderly population. Additional research is required to confirm our findings in other populations, and to explore potential mechanisms underlying the lipid–homocysteine interaction. Keywords: cholesterol, homocysteine, cognitive function |
| format |
article |
| author |
Cheng YB Jin YL Unverzagt FW Su LQ Yang L Ma F Hake AM Kettler C Chen C Liu J Bian JC Li P Murrell JR Hendrie HC Gao S |
| author_facet |
Cheng YB Jin YL Unverzagt FW Su LQ Yang L Ma F Hake AM Kettler C Chen C Liu J Bian JC Li P Murrell JR Hendrie HC Gao S |
| author_sort |
Cheng YB |
| title |
The relationship between cholesterol and cognitive function is homocysteine-dependent |
| title_short |
The relationship between cholesterol and cognitive function is homocysteine-dependent |
| title_full |
The relationship between cholesterol and cognitive function is homocysteine-dependent |
| title_fullStr |
The relationship between cholesterol and cognitive function is homocysteine-dependent |
| title_full_unstemmed |
The relationship between cholesterol and cognitive function is homocysteine-dependent |
| title_sort |
relationship between cholesterol and cognitive function is homocysteine-dependent |
| publisher |
Dove Medical Press |
| publishDate |
2014 |
| url |
https://doaj.org/article/1b47196c9b184994adedd83e774e4cd1 |
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