AUTHOR=Kong Yanyan , Zhang Shibo , Huang Lin , Zhang Chencheng , Xie Fang , Zhang Zhengwei , Huang Qi , Jiang Donglang , Li Junpeng , Zhou Weiyan , Hua Tao , Sun Bomin , Wang Jiao , Guan Yihui TITLE=Positron Emission Computed Tomography Imaging of Synaptic Vesicle Glycoprotein 2A in Alzheimer’s Disease JOURNAL=Frontiers in Aging Neuroscience VOLUME=Volume 13 - 2021 YEAR=2021 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2021.731114 DOI=10.3389/fnagi.2021.731114 ISSN=1663-4365 ABSTRACT=Alzheimer's disease (AD), the most common form of dementia, has not yet developed a particularly effective drug. Early diagnosis of AD is of great significance to control the development of the disease. Synaptic loss is an important pathology in the early stage of AD, therefore the measurement of synaptic density using molecular imaging technology may be an effective way to diagnose early AD. synaptic vesicle glycoprotein 2A (SV2A) is a specific target molecule for epileptic drugs. PET imaging agents based on SV2A can quantify synaptic density. In view of the fact that synaptic loss is the pathology of both epilepsy and AD, this review summarizes the potential role of SV2A in the pathogenesis of AD, and suggests that SV2A should be used as an important target molecule of PET imaging agent for the early diagnosis of AD.