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PRCC-TFE3 Function and the Role of HIF1α and HIF2α in TFE3-Rearranged Renal Cell Carcinoma Development

ABSTRACT: PRCC-TFE3 is an oncogenic chimeric transcription factor identified in human TFE3-rearranged renal cell carcinoma. To investigate the function of PRCC-TFE3 in vivo, we generated PRCC-TFE3 knock-in (KI) mice by inserting a loxP-STOP-loxP-PRCC-TFE3 cassette into the Rosa26 locus. When PRCC-TFE3 KI mice were crossed with Cadherin 16-Cre transgenic mice (KSP-Cre), the resulting mice developed TFE3-RCC in the kidney. Our findings revealed that hypoxia-inducible factors HIF1α and HIF2α are directly upregulated by PRCC-TFE3. To clarify the roles of HIF1α and HIF2α in TFE3-RCC development, we further crossed PRCC-TFE3 KI mice with HIF1α flox and/or HIF2α flox mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE283743 | GEO | 2025/01/07

REPOSITORIES: GEO

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