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- W4313641201 endingPage "1101" @default.
- W4313641201 startingPage "1101" @default.
- W4313641201 abstract "APE1/Ref-1 (apurinic/apyrimidinic endonuclease 1, APE1 or APEX1; redox factor-1, Ref-1) is a dual-functional enzyme with crucial roles in DNA repair, reduction/oxidation (redox) signaling, and RNA processing and metabolism. The redox function of Ref-1 regulates several transcription factors, such as NF-κB, STAT3, HIF-1α, and others, which have been implicated in multiple human diseases, including ocular angiogenesis, inflammation, and multiple cancers. To better understand how APE1 influences these disease processes, we investigated the effects of APEX1 knockdown (KD) on gene expression in human retinal endothelial cells. This abolishes both DNA repair and redox signaling functions, as well as RNA interactions. Using RNA-seq analysis, we identified the crucial signaling pathways affected following APEX1 KD, with subsequent validation by qRT-PCR. Gene expression data revealed that multiple genes involved in DNA base excision repair, other DNA repair pathways, purine or pyrimidine metabolism signaling, and histidine/one carbon metabolism pathways were downregulated by APEX1 KD. This is in contrast with the alteration of pathways by APEX1 KD in human cancer lines, such as pancreatic ductal adenocarcinoma, lung, HeLa, and malignant peripheral nerve sheath tumors. These results highlight the unique role of APE1/Ref-1 and the clinical therapeutic potential of targeting APE1 and pathways regulated by APE1 in the eye. These findings provide novel avenues for ocular neovascularization treatment." @default.
- W4313641201 created "2023-01-07" @default.
- W4313641201 creator A5005073779 @default.
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- W4313641201 date "2023-01-06" @default.
- W4313641201 modified "2023-10-14" @default.
- W4313641201 title "Identification of Novel Pathways Regulated by APE1/Ref-1 in Human Retinal Endothelial Cells" @default.
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- W4313641201 doi "https://doi.org/10.3390/ijms24021101" @default.
- W4313641201 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36674619" @default.
- W4313641201 hasPublicationYear "2023" @default.
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