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A randomized controlled trial to assess the efficacy of standardized tai chi in prefrail older adults with immunosenescence: design and protocol.
BMC Complement Med Ther
January 2025
Geriatric department, Hospital of Chengdu University of Traditional Chinese Medicine, No.39 Shi-er-qiao Road, Chengdu, 610072, Sichuan, China.
Background: Frailty is a common geriatric syndrome worldwide, and its early identification and intervention have important clinical significance. Resistance training has been recommended as an efficient means to combat loss of muscle strength and mass; however, it is often not a prioritized option for older adults. Tai chi is a well-known traditional Chinese exercise that has a beneficial impact on physical performance, balance ability, metabolism, and immune function.
View Article and Find Full Text PDFThe survey of vaccination hesitancy among the residents in Jinan.
PLoS One
January 2025
The Department of Disease Control and Prevention, Shandong Armed Police Forces General Hospital, Jinan, China.
Introduction: Vaccination is an important way to prevent disease, but vaccine hesitancy will impact vaccine coverage and indirectly affect health. This study aims to survey the status of vaccine hesitancy among adults in Jinan.
Methods: A cross-sectional study was conducted using the vaccine hesitancy scale among the parents of children and teenagers at hospitals in Jinan, China.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of California, San Francisco, Weill Institute for Neurosciences, San Francisco, CA, USA.
Background: Alzheimer's disease (AD) and other dementia risk may be influenced by the immune function and associated with several white blood cell type counts. In cognitively normal Black, Hispanic, and non-Hispanic white older adults we related three white blood cell types previously associated with AD risk to tau positron emission tomography (PET) values in the medial temporal lobe (MTL), where tau accumulates early. We assessed whether amyloid positivity moderated this relationship.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Massachusetts Chan Medical School, Worcester, MA, USA.
Background: Alzheimer's disease (AD) is the most common type of dementia which results in debilitating memory loss as the disease advances. However, among older adults with AD, some may experience rapid cognitive decline while others may maintain a stable cognitive status for years. In addition to the amyloid plaques, tau tangles, and neuronal inflammation characteristic of AD, there is strong evidence of dysregulation in the peripheral immune system, including decreased naïve T cells and increased memory T cells among older adults with AD.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Columbia University Irving Medical Center, New York, NY, USA.
Background: African Americans (AA) are disproportionally burdened by Alzheimer's disease (AD), but there is a scarcity of research focusing on understanding the neuroimmune component of AD pathogenesis in this population. It is generally accepted that microglia would be an ideal therapeutic target for AD and that genetic, lifestyle, societal and environmental factors and stressors have the potential to shape microglia phenotypes and their contribution to neurodegenerative processes. The overarching goal of the current study is to establish the population structure of microglia in older AAs and to investigate the relationship of the different microglia subsets with histopathological hallmarks of brain aging and AD in AAs.
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