Niraparib restrains prostate cancer cell proliferation and metastasis and tumor growth in mice by regulating the lncRNA MEG3/miR-181-5p/GATA6 pathway

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Biochemistry, Biophysics and Molecular Biology

Main article text

 

Introduction

Materials and Methods

Clinical specimens

Cell culture and treatment

Cell transfection

RT-qPCR analysis

Co-expression network analysis

CCK-8 assay

Cell migration assay

Transwell invasion assay

Western blot analysis

Dual-luciferase reporter assay

Animal studies

Immunohistochemistry assay

Statistical analysis

Results

The intimate relationship between LncRNA MEG3/miR-181-5p/GATA6 in PCa

Niraparib treatment upregulated MEG3 and GATA6, and downregulated miR-181-5p expression in PCa cells

Niraparib treatment restrained PCa cell proliferation, migration and invasion

MiR-181-5p and GATA6 are downstream genes of MEG3 in PCa cells

MiR-181-5p overexpression reversed MEG3 overexpression-mediated inhibition of PCa cell progression

GATA6 silencing abrogated the effects of miR-181-5p inhibition on T24/DDP cell behaviors

Niraparib mitigated PCa tumor growth in vivo through regulating the MEG3/miR-181-5p/GATA6 axis

Discussion

Conclusions

Supplemental Information

Western blotting

DOI: 10.7717/peerj.16314/supp-2

ARRIVE 2.0 Checklist

DOI: 10.7717/peerj.16314/supp-3

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

Ji Cheng conceived and designed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Yi Sun performed the experiments, prepared figures and/or tables, and approved the final draft.

Huacai Zhao conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Wei Ren performed the experiments, prepared figures and/or tables, and approved the final draft.

Dan Gao conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Zhigang Wang performed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Wei Lv conceived and designed the experiments, prepared figures and/or tables, and approved the final draft.

Qingchuan Dong performed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

All samples obtained in this study were approved by the ethics committee of Shaanxi Provincial People’s Hospital and abided by the ethical guidelines of the Declaration of Helsinki.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Animal experiments were approved and supervised by the Animal Ethics Committee of Shaanxi Provincial People’s Hospital.

Data Availability

The following information was supplied regarding data availability:

The raw data is available in the Supplementary Files.

Funding

This work was supported by Shaanxi Natural Science Basic Research Program “Research of the invasion and metastasis mechanism mediated by LncRNA MEG3/miR-181/GATA6 axis in prostate cancer cells” (No.2023-JC-YB-796). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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