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<p>Bladder cancer (BLCA) is one of the most common malignant tumors of the urinary system. Identification of novel molecular signaling targets for the tumorigenesis of BLCA is important. Data from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases suggest that major facilitator superfamily domain containing 12 (MFSD12) may act as an important oncogene in BLCA. MFSD12 expression is confirmed to be elevated in BLCA patients. Genetic manipulation of <i>MFSD12</i> mediated by Tet-inducible lentiviral expression vector is conducted in two BLCA cell lines, including UMUC3 and 5637. Following this manipulation, the cells are subjected to treatment with or without doxycycline. Our results show that <i>MFSD12</i> knockdown inhibits cell proliferation, migration, and invasion, and arrests the G1 stage-induced cell cycle. Furthermore, silencing of <i>MFSD12</i> reduces lung metastatic lesions and xenografted tumor formation of BLCA cells. To further explore the effect of MFSD12 on BLCA cells, transcriptomics and metabolomics analyses are performed on <i>MFSD12</i>-overexpressing cells. Subsequently, luciferase reporters and chromatin immunoprecipitation (ChIP)-PCR assays reveal that MFSD12 is regulated positively by pleomorphic adenoma gene like-2 (PLAGL2), an important transcription factor. Collectively, our results indicate that MFSD12 exerts a tumor-promoting effect on BLCA progression, under the modulation of transcription factor PLAGL2.</p><p></p>

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MFSD12, transcriptionally regulated by PLAGL2, promotes bladder cancer progression

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月30日

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  • Jiani He,
  • Changming Dong,
  • Xiandong Song,
  • Xinyu Bao,
  • Zhongkai Qiu,
  • Hao Zhang,
  • Yuanjun Jiang,
  • Tao Liu,
  • Xiaojun Man

摘要

Bladder cancer (BLCA) is one of the most common malignant tumors of the urinary system. Identification of novel molecular signaling targets for the tumorigenesis of BLCA is important. Data from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases suggest that major facilitator superfamily domain containing 12 (MFSD12) may act as an important oncogene in BLCA. MFSD12 expression is confirmed to be elevated in BLCA patients. Genetic manipulation of MFSD12 mediated by Tet-inducible lentiviral expression vector is conducted in two BLCA cell lines, including UMUC3 and 5637. Following this manipulation, the cells are subjected to treatment with or without doxycycline. Our results show that MFSD12 knockdown inhibits cell proliferation, migration, and invasion, and arrests the G1 stage-induced cell cycle. Furthermore, silencing of MFSD12 reduces lung metastatic lesions and xenografted tumor formation of BLCA cells. To further explore the effect of MFSD12 on BLCA cells, transcriptomics and metabolomics analyses are performed on MFSD12-overexpressing cells. Subsequently, luciferase reporters and chromatin immunoprecipitation (ChIP)-PCR assays reveal that MFSD12 is regulated positively by pleomorphic adenoma gene like-2 (PLAGL2), an important transcription factor. Collectively, our results indicate that MFSD12 exerts a tumor-promoting effect on BLCA progression, under the modulation of transcription factor PLAGL2.