Hypoglycemia and Dementia Risk in Older Patients with Type 2 Diabetes Mellitus: A Propensity-Score Matched Analysis of a Population-Based Cohort Study.

Hypoglycemia and Dementia Risk in Older Patients with Type 2 Diabetes Mellitus: A Propensity-Score Matched Analysis of a Population-Based Cohort Study. Diabetes Metab J. 2019 Oct 23;: Authors: Kim YG, Park DG, Moon SY, Jeon JY, Kim HJ, Kim DJ, Lee KW, Han SJ Abstract BACKGROUND: Type 2 diabetes mellitus (T2DM) is associated with an increased risk for dementia. The effects of hypoglycemia on dementia are controversial. Thus, we evaluated whether hypoglycemia increases the risk for dementia in senior patients with T2DM. METHODS: We used the Korean National Health Insurance Service Senior cohort, which includes>10% of the entire senior population of South Korea. In total, 5,966 patients who had ever experienced at least one episode of hypoglycemia were matched with those who had not, using propensity score matching. The risk of dementia was assessed through a survival analysis of matched pairs. RESULTS: Patients with underlying hypoglycemic events had an increased risk for all-cause dementia, Alzheimer's dementia (AD), and vascular dementia (VaD) compared with those who had not experienced a hypoglycemic event (hazard ratio [HR], 1.254; 95% confidence interval [CI], 1.166 to 1.349; P
Source: Diabetes and Metabolism Journal - Category: Endocrinology Tags: Diabetes Metab J Source Type: research

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CONCLUSION: The optimal management of modifiable risk factors may be important for preventing dementia in subjects with diabetes mellitus. PMID: 31769236 [PubMed - as supplied by publisher]
Source: Diabetes and Metabolism Journal - Category: Endocrinology Tags: Diabetes Metab J Source Type: research
Abstract BACKGROUND: There is an increasing interest on cognitive impairment (CI) in patients with type 2 diabetes mellitus (T2DM), but evidence is conflicting regarding the association between CI and glycemic control. OBJECTIVE: The present study aimed to estimate the prevalence of CI in patients with T2DM from northern rural China in order to determine whether cognitive dysfunction is related to glycemic control. METHODS: First, we conducted a study with a cross-sectional design. We performed cluster random sampling of 1848 residents who were aged 60 years or older and lived in the countryside in China...
Source: Current Alzheimer Research - Category: Neurology Authors: Tags: Curr Alzheimer Res Source Type: research
Mediterranean diet: The role of long-chain ω-3 fatty acids in fish; polyphenols in fruits, vegetables, cereals, coffee, tea, cacao and wine; probiotics and vitamins in prevention of stroke, age-related cognitive decline, and Alzheimer disease. Rev Neurol (Paris). 2019 Sep 11;: Authors: Román GC, Jackson RE, Gadhia R, Román AN, Reis J Abstract The mechanisms of action of the dietary components of the Mediterranean diet are reviewed in prevention of cardiovascular disease, stroke, age-associated cognitive decline and Alzheimer disease. A companion article provides a comprehensive revi...
Source: Revue Neurologique - Category: Neurology Tags: Rev Neurol (Paris) Source Type: research
DIABETES DRUGS IN THE FIGHT AGAINST ALZHEIMER'S DISEASE. Ageing Res Rev. 2019 Jul 19;:100936 Authors: Boccardi V, Murasecco I, Mecocci P Abstract Alzheimer's disease (AD) is the most prevalent form of dementia, particularly in old age subjects. Hyperinsulinemia and insulin resistance, which are known as pathophysiological features of Type 2 Diabetes Mellitus (T2DM), have also been demonstrated to have a significant impact on cognitive impairment. Studies have shown that an altered insulin pathway may interact with amyloid-β protein deposition and tau protein phosphorylation, both leading factors ...
Source: Ageing Research Reviews - Category: Genetics & Stem Cells Authors: Tags: Ageing Res Rev Source Type: research
Publication date: Available online 9 July 2019Source: Neurochemistry InternationalAuthor(s): Tong Ren, Jinfeng Liu, Yunlong Ge, Rengong Zhuo, Lu Peng, Feng Liu, Xin Jin, Lichao YangAbstractBrain is a site of diabetic end-organ damage. Diabetes-associated cognitive dysfunction, referred as “diabetic encephalopathy” (DE) has been coined for the patients with type 2 diabetes mellitus showing decline in their cognitive function, especially weak episodic memory, cognitive inflexibility and poor psychomotor performance leading towards Alzheimer's disease. Current evidence supported that aberrant synapses, energy meta...
Source: Neurochemistry International - Category: Neuroscience Source Type: research
In this study, we found that cofilin competes with tau for direct microtubule binding in vitro, in cells, and in vivo, which inhibits tau-induced microtubule assembly. Genetic reduction of cofilin mitigates tauopathy and synaptic defects in Tau-P301S mice and movement deficits in tau transgenic C. elegans. The pathogenic effects of cofilin are selectively mediated by activated cofilin, as active but not inactive cofilin selectively interacts with tubulin, destabilizes microtubules, and promotes tauopathy. These results therefore indicate that activated cofilin plays an essential intermediary role in neurotoxic signaling th...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Authors: Hanyu H Abstract Type 2 diabetes mellitus (DM) has been shown to increase the risk for cognitive decline and dementia, such as in Alzheimer disease (AD) and vascular dementia (VaD). Additionally, there may be a dementia subgroup associated with specific DM-related metabolic abnormalities rather than with AD pathology or cerebrovascular diseases. This type of dementia, not showing hypoperfusion in the parietotemporal lobe on SPECT or cerebrovascular lesions on MRI, was characterized by old age, high hemoglobin A1c level, long duration of diabetes, high frequency of insulin therapy, low frequency of apolipop...
Source: Advances in Experimental Medicine and Biology - Category: Research Tags: Adv Exp Med Biol Source Type: research
Authors: Chen Y, Yu Q, Gong CX Abstract Type 2 diabetes mellitus (T2DM) and Alzheimer's disease (AD) are both serious global health problems with high prevalence. These two diseases have some common features, including risk factors, age-associated disease onsets, insulin resistance, impaired glucose metabolism, deregulation of O-GlcNAcylation, chronic oxidative stress, and inflammation. Some of these features, such as insulin resistance, impaired glucose metabolism, and deregulation of O-GlcNAcylation, may serve as molecular links between T2DM and AD. Research on these molecular links is reviewed and discussed in t...
Source: Advances in Experimental Medicine and Biology - Category: Research Tags: Adv Exp Med Biol Source Type: research
Publication date: Available online 26 April 2019Source: Biochimica et Biophysica Acta (BBA) - Molecular Basis of DiseaseAuthor(s): Le Zhang, Sun-Ok Fernandez-Kim, Tina L. Beckett, Dana M. Niedowicz, Katharina Kohler, Kalavathi Dasuri, Annadora J. Bruce-Keller, M. Paul Murphy, Jeffrey N. KellerAbstractAlzheimer's disease (AD) is the most common age-related neurodegenerative disease, while obesity is a major global public health problem associated with the metabolic disorder type 2 diabetes mellitus (T2DM). Chronic obesity and T2DM have been identified as invariant risk factors for dementia and late-onset AD, while their imp...
Source: Biochimica et Biophysica Acta (BBA) Molecular Basis of Disease - Category: Molecular Biology Source Type: research
Docosahexaenoic Acid Increases the Potency of Soluble Epoxide Hydrolase Inhibitor in Alleviating Streptozotocin-Induced Alzheimer’s Disease-Like Complications of Diabetes Rohit Pardeshi1, Nityanand Bolshette2, Kundlik Gadhave3, Mohammad Arfeen4, Sahabuddin Ahmed4, Rohitash Jamwal5, Bruce D. Hammock6, Mangala Lahkar2 and Sumanta Kumar Goswami6* 1Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College and Hospital, Guwahati, India 2Institutional Level Biotech Hub (IBT Hub), Department of Biotechnology, National Institute of Pharmaceutical Educatio...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
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