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Full-Text Articles in Medical Cell Biology

An Investigative Analysis Of Underlying Alzheimer’S Disease Pathology: Understanding The Pathology Of Neurofibril Tangles, William Barker Nov 2021

An Investigative Analysis Of Underlying Alzheimer’S Disease Pathology: Understanding The Pathology Of Neurofibril Tangles, William Barker

Senior Honors Theses

Researchers familiar with Alzheimer’s Disease (AD) refer to two common pathological hallmarks: β-amyloid plaques and Neurofibril Tangles (NFTs). The development of these pathologies are the leading theory to explain the cause of cognitive decline and dementia-like symptoms of individuals with AD. The literature supports the theory that NFTs are caused by the hyperphosphorylation of the precursor tau protein. However, the mechanism that causes this hyperphosphorylation is still unknown. This review seeks to evaluate the normal function of tau then analyze and expound upon the current research concerning the underlying mechanisms for the hyperphosphorylation of tau observed in Neurofibril Tangles pathologies. …


Dabigatran Reduces Thrombin-Induced Neuroinflammation And Ad Markers In Vitro: Therapeutic Relevance For Alzheimer's Disease, Syed Waseem Bihaqi, Haripriya Vittal Rao, Abhik Sen, Paula Grammas May 2021

Dabigatran Reduces Thrombin-Induced Neuroinflammation And Ad Markers In Vitro: Therapeutic Relevance For Alzheimer's Disease, Syed Waseem Bihaqi, Haripriya Vittal Rao, Abhik Sen, Paula Grammas

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Background: Vascular risk factors such as atherosclerosis, diabetes, and elevated homocysteine levels are strongly correlated with onset of Alzheimer's disease (AD). Emerging evidence indicates that blood coagulation protein thrombin is associated with vascular and non-vascular risk factors of AD. Here, we examined the effect of thrombin and its direct inhibitor dabigatran on key mediators of neuro-inflammation and AD pathology in the retinoic acid (RA)-differentiated human neuroblastoma cell line SH-SY5Y. Methods: SH-SY5Y cells exposed to thrombin concentrations (10–100 nM) +/- 250 nM dabigatran for 24 h were analyzed for protein and gene expression. Electrophoretic mobility shift assay (EMSA) was used to …