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MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

ABSTRACT: MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

PROVIDER: PRJNA833884 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19024005_1.fastq.gz	Fastqsanger.gz
	SRR19024005_2.fastq.gz	Fastqsanger.gz
	SRR19024006_1.fastq.gz	Fastqsanger.gz
	SRR19024006_2.fastq.gz	Fastqsanger.gz
	SRR19024007_1.fastq.gz	Fastqsanger.gz

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MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

Project description:The transcription factor MYB proto-oncogene like 2 (MYBL2) plays a critical role in the regulation of gene expression and tumorigenesis. However, the biological function of MYBL2 in bladder cancer (BLCA) remains to be elucidated. Here, we first revealed that MYBL2 was elevated in BLCA tissues and was significantly correlated with clinicopathological parameters and cancer-specific survival of BLCA patients. Phenotypic assays showed that MYBL2 deficiency suppressed the proliferation and migration of BLCA cells in vitro and in vivo, whereas overexpression of MYBL2 contributed to the opposite phenotype. Mechanistically, MYBL2 could bind to the promoter of its downstream target gene cell division cycle-associated protein 3 (CDCA3) and transactivate it, which in turn promoted the malignant phenotype of BLCA cells. Further investigations revealed that MYBL2 interacted with forkhead box M1 (FOXM1) to co-regulate the transcription of CDCA3. In addition, MYBL2 and CDCA3 may activate the Wnt/β-catenin signaling by inhibiting the suppressor dickkopf-1 (DKK1), thereby regulating the malignant phenotype of BLCA cells. In conclusion, the current study has identified MYBL2 as an oncogene in BLCA. MYBL2 can accelerate the proliferation and metastasis of BLCA through the transactivation of CDCA3.

2022-05-02 | GSE201875 | GEO

MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

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MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

Project description:MYBL2 promotes proliferation and metastasis of bladder cancer through transactivation of CDCA3

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DNA polymerase POLD1 promotes proliferation and metastasis of bladder cancer by stabilizing MYC

Project description:DNA polymerase POLD1 promotes proliferation and metastasis of bladder cancer by stabilizing MYC

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DNA polymerase POLD1 promotes proliferation and metastasis of bladder cancer by stabilizing MYC

Project description:Hitherto, most studies on POLD1 have mainly focused on the effect of POLD1 inactivation mutation in tumors. Nonetheless, the mechanism underlying high POLD1 expression in tumorigenesis remains elusive. Herein, we substantiated the pro-carcinogenic role of POLD1 in bladder cancer (BLCA) and found that POLD1 expression is related to malignancy and prognosis of BLCA. Next, we demonstrated that POLD1 could promote proliferation and metastasis of BLCA via MYC. Mechanistically, we demonstrated that POLD1 was able to stabilize MYC in a manner independent of DNA polymerase activity. POLD1 attenuated the FBXW7-mediated ubiquitination degradation of MYC by directly binding to the MYC homology box 1 domain competitively with FBXW7. Moreover, we found that POLD1 can form a complex with MYC to promote the transcriptional activity of MYC. MYC could also transcriptionally activate POLD1, forming a POLD1-MYC positive feedback loop to enhance the pro-carcinogenic effect of POLD1-MYC on BLCA. Overall, our study suggests a novel MYC-driven mechanism for BLCA, and POLD1 has the potential as a biomarker for BLCA.

2023-03-29 | PXD040806 | Pride

Mevalonate pathway inhibition affects bladder cancer metastasis

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CircNCOR1 suppresses lymphatic metastasis in bladder cancer

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DNA polymerase POLD1 promotes proliferation and metastasis of bladder cancer by stabilizing MYC

Project description:Hitherto, most studies on DNA polymerase δ (POLD1) have mainly focused on the effect of POLD1 inactivation mutation in tumors. Nonetheless, the mechanism underlying high POLD1 expression in tumorigenesis remains elusive. Herein, we substantiated the pro-carcinogenic role of POLD1 in bladder cancer (BLCA) and found that POLD1 expression is related to malignancy and prognosis of BLCA. Next, we demonstrated that POLD1 could promote proliferation and metastasis of BLCA via MYC in vivo and in vitro. Furthermore, POLD1 and MYC were colocalized in the nucleus and co-expressed during the cell cycle. Mechanistically, we validated that POLD1 could interact directly with MYC, and POLD1 could stabilize MYC by counteracting GSK3β-mediated phosphorylation of threonine 58 and blocking the interaction between E3 ubiquitin ligase FBXW7 and MYC. Moreover, MYC could transcriptionally activate POLD1, forming a POLD1-MYC positive feedback loop to enhance the pro-carcinogenic effect of POLD1-MYC on BLCA. Overall, our study identified a novel MYC-driven oncogene POLD1, providing a potential diagnostic and therapeutic target for BLCA.

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exosomal ELNAT1 promotes lymphatic metastasis of bladder cancer

Project description:The crosstalk between tumor cells and LECs triggers the LN metastasis in bladder cancer (BCa), but the underlying mechanisms are not completely understood. Previously, we identified that BCa-secreted extracellular vesicles (EVs)-packaged lncRNAs mediated the communication with LECs and promoted LN metastasis. To evaluate whether EV-packaged lncRNAs triggered the LN metastasis of BCa, next-generation sequencing (NGS) to the global expression profiles of lncRNAs was utilized in the urinary EVs (urinary-EV) of five MIBC patients and five healthy volunteers.

2020-11-16 | GSE156308 | GEO

Targeting TIGIT Molecule Inhibits the Metastasis of Bladder Cancer through Suppressing IL-32

Project description:Bladder cancer is a highly metastatic tumor and one of the most common malignant tumors originating in the urinary system. Although the application of immune checkpoint, including programmed cell death-1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), achieved definite efficacy, the effect of immunotherapy for bladder cancer is still not very satisfactory. Therefore, it is very urgent to develop new targets to expand the options of immunotherapies. In this study, we utilized single cell sequencing to explore the cell composition and detected a subset of Treg cells with high expression of T cell immunoreceptor with immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT) and interleukin (IL)-32 molecules. Certainly, anti-tumor immune response was suppressed by this subset of Treg cells and IL-32 promoted the bladder cancer metastasis. Nevertheless, targeting TIGIT not only could reverse immunosuppression through restoring anti-tumor immune response mediated by T cells but suppressed the secretion of IL-32 and inhibited the metastasis of bladder cancer cells. Thus, our study provided a novel insight into the immunosuppression in bladder cancer and developed the TIGIT as the novel target for immunotherapy of bladder cancer. Furthermore, we also illustrated mechanism of the dual effect of targeting TIGIT in bladder cancer and revealed the metastasis-promoting effect of IL-32 in bladder cancer. Taken together, the discovery raises the possibility of TIGIT targets against bladder cancer from the bench to the bedside.

2022-01-31 | GSE186520 | GEO

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