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Long non-coding RNA BZRAP1-AS1 functions in malignancy and prognosis for non-small-cell lung cancer.


ABSTRACT:

Purpose

The function of BZRAP1-AS1 is unknown in lung cancer. We evaluated the clinicopathologic significance of BZRAP1-AS1, and its role in non-small-cell lung cancer (NSCLC) progression.

Patient and methods

Sixty-three NSCLC patients from Beijing Chest Hospital were included. The expression of BZRAP1-AS1 was detected by real-time quantitative polymerase chain reaction (RT-qPCR) in tumor tissues and adjacent normal tissues. Then, the clinicopathological significance and prognostic value of BZRAP1-AS1 were analyzed by using our cohort and TCGA cohort. Finally, the effect of BZRAP1-AS1 on proliferation and motility of NSCLC cell lines were evaluated by cell growth assay, colony formation assay, xenograft tumorigenesis experiment in nude mice and transwell assays respectively.

Results

Compared with adjacent normal tissues, BZRAP1-AS1 showed lower expression in NSCLC tumor tissues. As for the relationship between BZRAP1-AS1 and clinical characteristics, our results were consistent with those of TCGA data. BZRAP1-AS1 was lower in T1 than T2-T4 patients, N1-N3 than N0 patients. Low level BZRAP1-AS1 was related to shorter overall survival time (OS) in lung adenocarcinoma (LUAD), and poor first progression time (FP) in LUAD and lung squamous cell carcinoma (LUSC) patients. BZRAP1-AS1 was significantly associated with the prognosis of NSCLC patients. Overexpression of BZRAP1-AS1 inhibited proliferation and migration of H1299 and HCC827 cells.

Conclusion

BZRAP1-AS1 expression decreases in tumor tissues with the increase of malignancy grades in NSCLC. BZRAP1-AS1 plays an anticancer role by inhibiting cell proliferation, invasion, and metastasis, and has a potential prognostic value in NSCLC. BZRAP1-AS1 may serve as a diagnostic marker and therapeutic target for NSCLC.

SUBMITTER: Hao X 

PROVIDER: S-EPMC9415519 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Long non-coding RNA <i>BZRAP1-AS1</i> functions in malignancy and prognosis for non-small-cell lung cancer.

Hao Xuefeng X   Zhang Minghang M   Gu Meng M   Wang Ziyu Z   Zhou Shijie S   Li Weiying W   Xu Shaofa S  

PeerJ 20220823


<h4>Purpose</h4>The function of <i>BZRAP1-AS1</i> is unknown in lung cancer. We evaluated the clinicopathologic significance of <i>BZRAP1-AS1</i>, and its role in non-small-cell lung cancer (NSCLC) progression.<h4>Patient and methods</h4>Sixty-three NSCLC patients from Beijing Chest Hospital were included. The expression of <i>BZRAP1-AS1</i> was detected by real-time quantitative polymerase chain reaction (RT-qPCR) in tumor tissues and adjacent normal tissues. Then, the clinicopathological signi  ...[more]

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