{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,2]],"date-time":"2026-08-02T03:17:24Z","timestamp":1785640644892,"version":"3.56.0"},"reference-count":77,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2017,5,25]],"date-time":"2017-05-25T00:00:00Z","timestamp":1495670400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Alzheimer\u2019s Disease"],"published-print":{"date-parts":[[2017,6,23]]},"abstract":"<jats:p>\n                    <jats:bold>Background:<\/jats:bold>\n                    Homocysteine (Hcy) is involved in the pathogenesis of type 2 diabetes mellitus (T2DM) and Alzheimer\u2019s disease.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Objective:<\/jats:bold>\n                    We aimed to investigate the role of Hcy in T2DM patients with mild cognitive impairment (MCI), and to determine whether methylene tetrahydrofolate reductase (MTHFR) C677T or cystathionine beta-synthase (CBS) 844ins68 polymorphism is related to T2DM-associated MCI.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Methods:<\/jats:bold>\n                    We recruited 285 T2DM patients and divided them into two groups, 140 patients with MCI, and 145 healthy-cognition controls, on the basis of Montreal Cognitive Assessment (MoCA) scores. Demographic characteristics, clinical parameters, and neuropsychological tests were assessed. MTHFR C677T and CBS 844ins68 polymorphisms were analyzed.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results:<\/jats:bold>\n                    The MCI group exhibited significantly higher plasma total Hcy (tHcy) levels than control group (\n                    <jats:italic>p<\/jats:italic>\n                    \u200a&lt;\u200a0.001). Plasma tHcy level was negatively correlated with MoCA scores (\n                    <jats:italic>p<\/jats:italic>\n                    \u200a=\u200a0.002), but positively associated with Trail Making Test A and B scores (\n                    <jats:italic>p<\/jats:italic>\n                    \u200a=\u200a0.044;\n                    <jats:italic>p<\/jats:italic>\n                    \u200a=\u200a0.005, respectively). Multivariable logistic regression model showed that high tHcy level was an independent factor for MCI in T2DM patients. No significant difference was observed in the genotype or allele distributions of MTHFR and CBS between MCI and control groups. We did not find significant MCI risks in MTHFR T allele compared with C allele, and in CBS I allele compared with D allele (OR\u200a=\u200a1.361,\n                    <jats:italic>p<\/jats:italic>\n                    \u200a=\u200a0.067; OR\u200a=\u200a1.048,\n                    <jats:italic>p<\/jats:italic>\n                    \u200a=\u200a0.909, respectively).\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusion:<\/jats:bold>\n                    Increased plasma tHcy level was significantly related to T2DM-associated MCI, especially executive dysfunction. Further investigation with a large population size should be conducted to confirm these findings.\n                  <\/jats:p>","DOI":"10.3233\/jad-170162","type":"journal-article","created":{"date-parts":[[2017,5,26]],"date-time":"2017-05-26T14:47:07Z","timestamp":1495810027000},"page":"1163-1173","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Increased Plasma Homocysteine Level is\u00a0Associated with Executive Dysfunction in\u00a0Type 2 Diabetic Patients with Mild Cognitive Impairment"],"prefix":"10.1177","volume":"58","author":[{"given":"Sai","family":"Tian","sequence":"first","affiliation":[{"name":"Department of Endocrinology, Affiliated Zhongda Hospital of Southeast University, Nanjing, PR China"},{"name":"Medical School of Southeast University, Nanjing, PR 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