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LncRNA UCA1 promoted cisplatin resistance in lung adenocarcinoma with HO1 targets NRF2/HO1 pathway

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A Correction to this article was published on 03 January 2023

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Abstract

Purpose

Our previous experiments have demonstrated that lncRNA UCA1 (UCA1) promoted cisplatin resistance in lung adenocarcinoma (LUAD). This study aimed to explore the potential downstream target genes regulated by UCA1 and how this downstream gene promotes cisplatin resistance in LUAD.

Methods

Here, we measured the expression level of Heme oxygenase1 (HO1) in LUAD cell lines by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) based on UCA1 overexpression cell lines and UCA1 knockdown cell lines. HO1 was knocked down in the UCA1 overexpression cell line, and HO1 was overexpressed in the UCA1 knockdown cell line, and the half maximal inhibitory concentration (IC50) trends were observed by adding cisplatin containing a certain concentration gradient. Cell functional assays were performed to observe the changes in the biological behavior of HO1 after overexpression and knockdown, and the tumorigenic assay in nude mice was performed to verify the effect of UCA1 in regulating the growth and cisplatin resistance of HO1 on LUAD cells in vivo.

Results

The results showed that HO1 and UCA1 expression were both upregulated in LUAD tissues and LUAD cisplatin-resistant cell lines, and there was a significant positive correlation between the expression of HO1 and UCA1. In vitro experiments showed that HO1 overexpression could reverse the reduced sensitivity to cisplatin caused by UCA1 knockdown in A549/DDP cells, and HO1 knockdown could reduce cisplatin resistance in A549 UCA1 overexpressing cells. Tumorigenic assays in nude mice further confirmed the role of HO1 in the regulation of UCA1 by activating the NRF2/HO1 pathway against LUAD cisplatin resistance.

Conclusion

Our findings suggested that UCA1 regulates HO1 targets the UCA1/NRF2-HO1 pathway to exert cisplatin resistance in LUAD.

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Data availability

The datasets and materials used in the current study are available from the corresponding author upon request.

Change history

Abbreviations

NSCLC:

Non-small cell lung cancer

SCLC:

Small-cell lung cancer

lncRNA:

Long noncoding RNA

LUAD:

Lung adenocarcinoma

LUSC:

Lung squamous cell carcinoma

OS:

Overall survival

CCK8:

Cell count kit-8

DDP:

Cisplatin

FBS:

Fetal bovine serum

IC50:

Half-maximal inhibitory concentration

GSEA:

Gene set enrichment analysis

NC:

Negative group

PBS:

Phosphate buffer saline

RPMI-1640:

Roswell Park Memorial Institute-1640

RT-qPCR:

Reverse transcription-quantitative polymerase chain reaction

TCGA:

The Cancer Genome Atlas

GEPIA:

Gene expression profiling interactive analysis

WB:

Western blotting

NRF2:

Nuclear-factor (NF)-E2-related factor 2/NFE2L2

UCA1:

Urothelial carcinoma-associated 1

HO1:

Heme oxygenase-1

SOD1:

Superoxide dismutase 1

References

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Acknowledgements

The authors are grateful to all of the laboratory members for their assistance.

Funding

This study was supported by the Wenzhou Science and Technology Bureau (Y20220130), the National Natural Science Foundation of China (81672088), the Scientific Research Fund of Zhejiang Provincial Education Department (Y202147905), and Zhejiang Provincial Research Center for Cancer Intelligent Diagnosis and Molecular Technology (JBZX-202003).

Author information

Authors and Affiliations

Authors

Contributions

WJS and YMW designed the experiments and wrote the manuscript. LLL, CHL and MJZ prepared and analyzed the data. RHW and FGS supervised the project. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Yumin Wang.

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Competing interests

The authors declare no competing interests.

Conflicts of interest

None.

Ethics approval and consent to participate

The protocols of animal studies were approved by the Animal Experimental Ethical Inspection of Laboratory Animal Centre, Wenzhou Medical University (WYDW2020-0380).

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All authors were read the final version and agreed on the publication.

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The original online version of this article was revised: To correct the funding number.

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Shi, W., Ling, L., Li, C. et al. LncRNA UCA1 promoted cisplatin resistance in lung adenocarcinoma with HO1 targets NRF2/HO1 pathway. J Cancer Res Clin Oncol 149, 1295–1311 (2023). https://doi.org/10.1007/s00432-022-04152-5

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  • DOI: https://doi.org/10.1007/s00432-022-04152-5

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