Cognitive Impairment Clinical Trial
Official title:
Cognitive Impairment and BDNF in Patients With Diabetes and Prediabetes
Clinical and epidemiological studies suggest links between cognitive impairments and Type 2 diabetes (T2DM). The underlying mechanisms and causality in diabetes-related cognitive impairment are largely unknown. The aim of this study is to investigate cognitive impairment and the role of BDNF in prediabetes and diabetes patients.
Cognitive dysfunction is increasingly recognized as a common complication and comorbidity in both type 1 and type 2 diabetes (T2DM). Due to the increasing incidence of diabetes and the life expectancy of individuals with T2DM, it is important to determine the cognitive problems and related factors in these patients. Cognitive impairment can be observed in all age groups in individuals with diabetes, and its severity can range from mild cognitive impairment to dementia. Although there are few studies in the literature investigating cognitive impairment in prediabetes, it is not clear whether it is a risk factor. The number of studies investigating biomarkers of potential importance for understanding changes in the brain of T2DM patients is increasing rapidly. The relationship of biomarkers associated with the main pathologies of dementia, including Alzheimer's disease (AD) and vascular disease, as well as various biomarkers associated with brain parenchymal damage, blood flow and metabolism, with the cognitive status of diabetic patients are investigated. It has been determined in animal experiments that Brain Induced Neurotrophic Factor (BDNF) may be among the molecular factors linking T2DM with dementia neuropathology. It has also been stated that high glucose levels are associated with cognitive impairment and total hippocampal volume reductions, and hippocampal changes can be used as an early marker of diabetes-related brain damage. Considering that the expression of BDNF in the brain is high in hippocampus neurons, it may be an early marker of cognitive impairment in diabetes. This research is a cross-sectional observational study. The aim of this study is to investigate cognitive impairment and the role of BDNF in prediabetes and diabetes patients. ;
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