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Pseudogene ACTBP2 increases blood-brain barrier permeability by promoting KHDRBS2 transcription through recruitment of KMT2D/WDR5 in Aβ1-42 microenvironment.


ABSTRACT: The blood-brain barrier (BBB) has a vital role in maintaining the homeostasis of the central nervous system (CNS). Changes in the structure and function of BBB can accelerate Alzheimer's disease (AD) development. β-Amyloid (Aβ) deposition is the major pathological event of AD. We elucidated the function and possible molecular mechanisms of the effect of pseudogene ACTBP2 on the permeability of BBB in Aβ1-42 microenvironment. BBB model treated with Aβ1-42 for 48 h were used to simulate Aβ-mediated BBB dysfunction in AD. We proved that pseudogene ACTBP2, RNA-binding protein KHDRBS2, and transcription factor HEY2 are highly expressed in ECs that were obtained in a BBB model in vitro in Aβ1-42 microenvironment. In Aβ1-42-incubated ECs, ACTBP2 recruit

SUBMITTER: Liu Q 

PROVIDER: S-EPMC8203645 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature