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CircMAN1A2_009 facilitates YBX1 nuclear localization to induce GLO1 activation for cervical adenocarcinoma cell growth
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CircMAN1A2_009 facilitates YBX1 nuclear localization to induce GLO1 activation for cervical adenocarcinoma cell growth
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CircMAN1A2_009 facilitates YBX1 nuclear localization to induce GLO1 activation for cervical adenocarcinoma cell growth
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Journal Article
CircMAN1A2_009 facilitates YBX1 nuclear localization to induce GLO1 activation for cervical adenocarcinoma cell growth
2024
Overview
The molecular mechanisms driving the development of cervical adenocarcinoma (CADC) and optimal patient management strategies remain elusive. In this study, we have identified circMAN1A2_009 as an oncogenic circular RNA (circRNA) in CADC. Clinically, circMAN1A2_009 showed significant upregulation in CADC tissues, with an impressive area under the curve value of 0.8075 for detecting CADC. Functional studies, involving both gain‐of‐function and loss‐of‐function experiments, revealed that circMAN1A2_009 suppressed reactive oxygen species accumulation and apoptosis, and boosted cell viability in CADC cells. Conversely, silencing circMAN1A2_009 reversed these effects. Further mechanistic investigations indicated that circMAN1A2_009 interacted with YBX1, facilitating the phosphorylation levels of YBX1 at serine 102 (p‐YBX1S102) and facilitating YBX1 nuclear localization through sequence 245–251. This interaction subsequently increased the activity of the glyoxalase 1 (GLO1) promoter, leading to the activation of GLO1 expression. Consistently, inhibition of either YBX1 or GLO1 mirrored the biological effects of circMAN1A2_009 in CADC cells. Additionally, knockdown of YBX1 or GLO1 partially reversed the oncogenic behaviors induced by circMAN1A2_009. In conclusion, our findings propose circMAN1A2_009 as a potential oncogene and a promising indicator for diagnosing and guiding therapy in CADC patients. CircMAN1A2_009, overexpressed in CADC, facilitates the nuclear translocation of YBX1, promoting its interaction with downstream GLO1 mRNA. This leads to the suppression of reactive oxygen species accumulation and the promotion of cell growth.
Publisher
John Wiley & Sons, Inc
Subject
/ Animals
/ Cell Proliferation - genetics
/ circRNA
/ Female
/ Gene Expression Regulation, Neoplastic
/ Humans
/ Lactoylglutathione Lyase - genetics
/ Lactoylglutathione Lyase - metabolism
/ Mice
/ Proteins
/ Reactive Oxygen Species - metabolism
/ Uterine Cervical Neoplasms - genetics
/ Uterine Cervical Neoplasms - metabolism
/ Uterine Cervical Neoplasms - pathology
