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Investigators at Capital Medical University Report Findings in Alzheimer Disease (Blocking SIRT1 inhibits cell proliferation and promotes aging...

Drug Week


Investigators at Capital Medical University Report Findings in Alzheimer Disease (Blocking SIRT1 inhibits cell proliferation and promotes aging through the PI3K/AKT pathway)

By a News Reporter-Staff News Editor at Drug Week -- Data detailed on Neurodegenerative Diseases and Conditions - Alzheimer Disease have been presented. According to news originating from Beijing, People's Republic of China, by NewsRx correspondents, research stated, "Alzheimer's disease (AD) is the most prevalent age-related disease and the most common cause of dementia in the elderly. Its hallmark neuropathological features are the presence of amyloid-beta oligomers and neurofibrillary tangles that are composed of hyperphosphorylated tau protein."

Financial supporters for this research include National Natural Science Foundation of China, China Postdoctoral Science Foundation (see also Neurodegenerative Diseases and Conditions - Alzheimer Disease).

Our news journalists obtained a quote from the research from Capital Medical University, "SIRT1 has been shown to have a neuroprotective effect; however, its working mechanisms are not well understood. This study aimed to address this issue. Main methods: We used an in vitro neuronal SH-SY5Y cell culture model to investigate the effect of SIRT1 knockdown on cell survival, proliferation, functionality, and cytotoxicity. We also investigated how SIRT1 knockdown affected relevant signaling/regulator molecules, including AKT, CREB, and p53, to gain further mechanistic insight. Key findings: We found that SIRT1 knockdown inhibited cell survival, proliferation, and functionality. These effects were associated with suppressed AKT activity and CREB activation and increased p53 expression."

According to the news editors, the research concluded: "These results will help us to better understand the protective role of SIRT1 in AD, and they support the potential use of SIRT1 as a biomarker and drug target for the prevention, diagnosis, and treatment of AD as well as other relevant age-related diseases."

For more information on this research see: Blocking SIRT1 inhibits cell proliferation and promotes aging through the PI3K/AKT pathway. Life Sciences, 2017;190():84-90. Life Sciences can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier -; Life Sciences -

The news correspondents report that additional information may be obtained from R. Wang, Capital Med Univ, Key Lab Neurodegenerat Dis, Center Alzheimers DisMinist EducBeiging Geriatr Me, Cent LabXuan Wu HospBeijing Inst Brain Disorder, Beijing 100053, People's Republic of China.

The direct object identifier (DOI) for that additional information is: This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

Keywords for this news article include: Beijing, People's Republic of China, Asia, Neurodegenerative Diseases and Conditions, Cell Proliferation, Alzheimer Disease, Capital Medical University.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

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