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Article ; Online: Long noncoding RNA MEG3 regulates cell proliferation and apoptosis by disrupting microRNA-9-5p-mediated inhibition of NDRG1 in prostate cancer.

Lian, Zhenpeng / Tian, Pei / Ma, Shenfei / Chang, Taihao / Liu, Ranlu / Feng, Qingchuan / Li, Jing

Aging

2024 Volume 16, Issue 2, Page(s) 1938–1951

Abstract: Background: Long noncoding RNA MEG3 has been described to be involved in the regulation of gene expression and cancer progression. However, the role of lncMEG3 in prostate cancer (PCa) remains largely uncharted.: Methods: Differential expression of ... ...

Abstract	Background: Long noncoding RNA MEG3 has been described to be involved in the regulation of gene expression and cancer progression. However, the role of lncMEG3 in prostate cancer (PCa) remains largely uncharted. Methods: Differential expression of lncMEG3 was identified in PCa tissues using RNA-sequencing analysis. qRT-PCR was performed to examine the level of lncMEG3. Additionally, cellular fractionation and fluorescent Results: We observed downregulation of lncMEG3 in PCa cells and tissues. Patients with lower levels of lncMEG3 had a higher likelihood of experiencing biochemical recurrence. Overexpression of lncMEG3 resulted in the inhibition of PCa cell proliferation and the promotion of apoptosis. Moreover, lncMEG3 is competitively bound to miR-9-5p, preventing its inhibitory effect on the target gene NDRG1. This ultimately led to the inhibition of PCa cell proliferation and the promotion of apoptosis. Furthermore, increasing lncMEG3 levels also demonstrated inhibitory effects on PCa proliferation and promotion of apoptosis Conclusions: Our findings uncover a crucial role for lncMEG3 in inhibiting PCa proliferation and promoting apoptosis through disruption of miR-9-5p-mediated inhibition of NDRG1.
MeSH term(s)	Humans ; Male ; Apoptosis/genetics ; Cell Line, Tumor ; Cell Proliferation/genetics ; Gene Expression Regulation, Neoplastic ; In Situ Hybridization, Fluorescence ; MicroRNAs/metabolism ; Prostatic Neoplasms/genetics ; Prostatic Neoplasms/metabolism ; RNA, Long Noncoding/genetics ; RNA, Long Noncoding/pharmacology
Chemical Substances	MicroRNAs ; RNA, Long Noncoding ; N-myc downstream-regulated gene 1 protein ; MIRN9 microRNA, human ; MEG3 non-coding RNA, human
Language	English
Publishing date	2024-01-24
Publishing country	United States
Document type	Journal Article
ISSN	1945-4589
ISSN (online)	1945-4589
DOI	10.18632/aging.205472
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: MiR-96-5p induced NDRG1 deficiency promotes prostate cancer migration and invasion through regulating the NF-κB signaling pathway.

Lian, Zhenpeng / Chang, Taihao / Ma, Shenfei / Li, Jing / Zhang, Hongtuan / Wang, Xiaoming / Liu, Ranlu

Cancer biomarkers : section A of Disease markers

2022 Volume 35, Issue 1, Page(s) 83–98

Abstract: Objective: The N-myc downstream-regulated gene 1 (NDRG1) has been discovered as a significant gene in the progression of cancers. However, the regulatory mechanism of NDRG1 remained obscure in prostate cancer (PCa).: Methods: The miR-96-5p and NDRG1 ... ...

Abstract	Objective: The N-myc downstream-regulated gene 1 (NDRG1) has been discovered as a significant gene in the progression of cancers. However, the regulatory mechanism of NDRG1 remained obscure in prostate cancer (PCa). Methods: The miR-96-5p and NDRG1 expression levels were evaluated in PCa cell lines, prostate tissues, and validated public databases by real-time PCR, western blot analysis, and immunohistochemistry. The function of miR-96-5p and NDRG1 were investigated by wound healing and transwell assays in vitro, and mouse xenograft assay in vivo. The candidate pathway regulated by NDRG1 was conducted by the next-generation gene sequencing technique. Immunofluorescence and luciferase assay was used to detect the relation between miR-96-5p, NDRG1, and NF-κB pathway. Results: Overexpressing NDRG1 suppresses the migration, invasion, and epithelial-mesenchymal transition (EMT) in vitro, and inhibits metastasis in vivo. Moreover, miR-96-5p contributes to NDRG1 deficiency and promotes PCa cell migration and invasion. Furthermore, NDRG1 loss activates the NF-κB pathway, which stimulates p65 and IKBa phosphorylation and induces EMT in PCa. Conclusions: MiR-96-5p promotes the migration and invasion of PCa by targeting NDRG1 and regulating the NF-κB pathway.
MeSH term(s)	Animals ; Cell Cycle Proteins ; Cell Line, Tumor ; Cell Movement/genetics ; Cell Proliferation/genetics ; Epithelial-Mesenchymal Transition/genetics ; Gene Expression Regulation, Neoplastic ; Humans ; Intracellular Signaling Peptides and Proteins ; Male ; Mice ; MicroRNAs/metabolism ; NF-kappa B/genetics ; NF-kappa B/metabolism ; Prostatic Neoplasms/pathology ; Signal Transduction
Chemical Substances	Cell Cycle Proteins ; Intracellular Signaling Peptides and Proteins ; MIRN96 microRNA, human ; MicroRNAs ; N-myc downstream-regulated gene 1 protein ; NF-kappa B
Language	English
Publishing date	2022-08-01
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2203517-5
ISSN	1875-8592 ; 1574-0153 ; 1875-8592
ISSN (online)	1875-8592 ; 1574-0153
ISSN	1875-8592
DOI	10.3233/CBM-210072
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Article ; Online: MicroRNA-367-3p directly targets RAB23 and inhibits proliferation, migration and invasion of bladder cancer cells and increases cisplatin sensitivity.

Wei, Xifeng / Jiang, Yuchen / Yang, Guanghua / Chang, Taihao / Sun, Guangyu / Chen, Shuaiqi / Wu, Shangrong / Liu, Ranlu

Journal of cancer research and clinical oncology

2023 Volume 149, Issue 20, Page(s) 17807–17821

Abstract: Objectives: This study investigated the biological role of miR-367-3p upregulation in bladder cancer and verified the mutual relation between miR-367-3p and RAB23.: Materials and methods: Expression levels of miR-367-3p were determined by RT-qPCR in ... ...

Abstract	Objectives: This study investigated the biological role of miR-367-3p upregulation in bladder cancer and verified the mutual relation between miR-367-3p and RAB23. Materials and methods: Expression levels of miR-367-3p were determined by RT-qPCR in bladder cancer cell lines and human bladder cancer tissues. The effects of miR-367-3p on proliferation, migration and invasion were evaluated by cell colony formation assays, wound healing assays and trans-well assays, respectively. The effects of miR-367-3p and RAB23 on cisplatin sensitivity of bladder cancer cells were assessed by CCK-8 assay. The expression of its target-RAB23 was determined by western blotting in T24, 5637. Plasmids used in dual-luciferase assays were constructed to confirm the action of miR-367-3p on downstream target-RAB23 in T24 cells. And also, the role of miR-367-3p in tumorigenesis was also confirmed in nude mouse models. Results: The downregulation of miR-367-3p was observed in human bladder cancer tissues. MiR-367-3p downregulation positively correlated with tumor stage and tumor grade. MiR-367-3p overexpression in T24, 5637 cells suppressed the proliferation, migration, and invasion of bladder cancer cells in vitro while decreasing IC50 values under T24 and 5637 cisplatin treatment conditions. RAB23 was shown to be upregulated in bladder cancer tissues and cell lines. MiR-367-3p directly bound to the 3' UTR of RAB23 in T24 cells. RAB23 was potentially accounted for the aforementioned functions of miR-367-3p. Tumor formation experiments in nude mouse models confirmed that overexpression of miR-367-3p could inhibit tumor growth and invasion in vivo. Conclusions: miR-367-3p acts as a tumor suppressor in bladder cancer by downregulating RAB23 signaling. We conjecture that miR-367-3p-mediated downregulation of RAB23 expression may be a new therapeutic strategy for bladder cancer treatment.
MeSH term(s)	Animals ; Mice ; Humans ; Cisplatin/pharmacology ; Mice, Nude ; Cell Line, Tumor ; Cell Movement ; Cell Proliferation ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Urinary Bladder Neoplasms/drug therapy ; Urinary Bladder Neoplasms/genetics ; Urinary Bladder Neoplasms/metabolism ; 3' Untranslated Regions ; Gene Expression Regulation, Neoplastic ; rab GTP-Binding Proteins/genetics ; rab GTP-Binding Proteins/metabolism
Chemical Substances	Cisplatin (Q20Q21Q62J) ; MicroRNAs ; 3' Untranslated Regions ; RAB23 protein, human (EC 3.6.1.-) ; rab GTP-Binding Proteins (EC 3.6.5.2) ; MIRN367 microRNA, human ; MIRN367 microRNA, mouse
Language	English
Publishing date	2023-11-08
Publishing country	Germany
Document type	Journal Article
ZDB-ID	134792-5
ISSN	1432-1335 ; 0171-5216 ; 0084-5353 ; 0943-9382
ISSN (online)	1432-1335
ISSN	0171-5216 ; 0084-5353 ; 0943-9382
DOI	10.1007/s00432-023-05484-6
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Article ; Online: Predicting Prognosis and Distinguishing Cold and Hot Tumors in Bladder Urothelial Carcinoma Based on Necroptosis-Associated lncRNAs.

Liu, Dongze / Xu, Shengxian / Chang, Taihao / Ma, Shenfei / Wang, Kaibin / Sun, Guangyu / Chen, Shuaiqi / Xu, Yong / Zhang, Hongtuan

Frontiers in immunology

2022 Volume 13, Page(s) 916800

Abstract: Background: In reference to previous studies, necroptosis played an important role in cancer development. Our team decided to explore the potential prognostic values of long non-coding RNAs (lncRNAs) associated with necroptosis in bladder urothelial ... ...

Abstract	Background: In reference to previous studies, necroptosis played an important role in cancer development. Our team decided to explore the potential prognostic values of long non-coding RNAs (lncRNAs) associated with necroptosis in bladder urothelial carcinoma (BLCA) and their relationship with the tumor microenvironment (TME) and the immunotherapeutic response for accurate dose. Methods: To obtain the required data, bladder urothelial carcinoma transcriptome data were searched from Cancer Genome Atlas (TCGA) (https://portal.gdc.cancer.gov/). We used co-expression analysis, differential expression analysis, and univariate Cox regression to screen out prognostic lncRNAs associated with necroptosis in BLCA. Then the least absolute shrinkage and selection operator (LASSO) was conducted to construct the necroptosis-associated lncRNAs model. Based on this model, we also performed the Kaplan-Meier analysis and time-dependent receiver operating characteristics (ROC) to estimate the prognostic power of risk score. Multivariate and univariate Cox regression analysis were performed to build up a nomogram. Calibration curves, and time-dependent ROC were also conducted to evaluate nomogram. Principal component analysis (PCA) revealed a difference between high- and low-risk groups. In addition, we explored immune analysis, gene set enrichment analyses (GSEA), and evaluation of the half-maximal inhibitory concentration (IC50) in constructed model. Finally, the entire samples were divided into three clusters based on model of necroptosis-associated lncRNAs to further compare immunotherapy in cold and hot tumors. Results: A model was built up based on necroptosis-associated lncRNAs. The model revealed good consistence between calibration plots and prognostic prediction. The area of 1-, 3-, and 5-year OS under the ROC curve (AUC) were 0.707, 0.679, and 0.675. Risk groups could be helpful for systemic therapy due to the markedly diverse IC50 between risk groups. To our delight, clusters could effectively identify cold and hot tumors, which would be beneficial to accurate mediation. Clusters 2 and 3 were considered the hot tumor, which was more sensitive to immunotherapeutic drugs. Conclusions: The outcomes of our study suggested that necroptosis-associated lncRNAs could effectively predict patients with BLCA prognosis, which may be helpful for distinguishing the cold and hot tumors and improving individual treatment of BLCA.
MeSH term(s)	Biomarkers, Tumor/genetics ; Biomarkers, Tumor/metabolism ; Carcinoma, Transitional Cell/genetics ; Gene Expression Regulation, Neoplastic ; Humans ; Necroptosis/genetics ; Prognosis ; RNA, Long Noncoding/genetics ; RNA, Long Noncoding/metabolism ; Tumor Microenvironment/genetics ; Urinary Bladder ; Urinary Bladder Neoplasms/diagnosis ; Urinary Bladder Neoplasms/genetics ; Urinary Bladder Neoplasms/therapy
Chemical Substances	Biomarkers, Tumor ; RNA, Long Noncoding
Language	English
Publishing date	2022-07-04
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2606827-8
ISSN	1664-3224 ; 1664-3224
ISSN (online)	1664-3224
ISSN	1664-3224
DOI	10.3389/fimmu.2022.916800
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Article: Cuproptosis-Associated lncRNA Establishes New Prognostic Profile and Predicts Immunotherapy Response in Clear Cell Renal Cell Carcinoma.

Xu, Shengxian / Liu, Dongze / Chang, Taihao / Wen, Xiaodong / Ma, Shenfei / Sun, Guangyu / Wang, Longbin / Chen, Shuaiqi / Xu, Yong / Zhang, Hongtuan

Frontiers in genetics

2022 Volume 13, Page(s) 938259

Abstract: Background: ...

Abstract	Background:
Language	English
Publishing date	2022-07-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2606823-0
ISSN	1664-8021
ISSN	1664-8021
DOI	10.3389/fgene.2022.938259
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Article: Multi-omics analysis of expression and prognostic value of NSUN members in prostate cancer.

Sun, Guangyu / Ma, Shenfei / Zheng, Zhiwen / Wang, Xiaohua / Chen, Shuaiqi / Chang, Taihao / Liang, Zhengxin / Jiang, Yuchen / Xu, Shengxian / Liu, Ranlu

Frontiers in oncology

2022 Volume 12, Page(s) 965571

Abstract: Background: Prostate cancer is the most common tumor in men worldwide, seriously threatening the health of older men, and 5-methylcytosine (m5C) RNA modification has been shown to have a significant impact on the development and progression of various ... ...

Abstract	Background: Prostate cancer is the most common tumor in men worldwide, seriously threatening the health of older men, and 5-methylcytosine (m5C) RNA modification has been shown to have a significant impact on the development and progression of various tumors. However, as the most critical methyltransferase for m5c RNA modification, the role of the NSUN members (NSUN1-7) in prostate cancer is unclear. Methods: We obtained sequencing data of genes and related clinical data of prostate cancer from The Cancer Genome Atlas (TCGA) database and Gene Expression Omnibus (GEO) database and analyzed the correlation between NSUN members' expression and prognosis. we found that NSUN2 was closely implicated in the prognosis of prostate cancer, then verified the expression of NSUN2 in clinical samples, and obtained the correlation between NSUN2 and immune cell infiltration through CIBERSORT algorithm and ESTIMATE method. The relationship between NSUN2 copy number variation and immune cell infiltration was further analyzed in the TIMER database and identified signaling pathways associated with NSUN2 expression by GO, KEGG, and GSEA analysis. Finally, we verified the expression of NSUN2 in prostate cancer cell lines and confirmed the role of NSUN2 on the biological behavior of prostate cancer cells by proliferation and migration-related assays. Results: NOP2 and NSUN2 were upregulated in prostate tumor tissues. NSUN2 expression is closely associated with tumor prognosis. NSUN2 high expression implies poor clinical features, and the NSUN family is significantly associated with tumor stromal score and immune score. Besides, NSUN2 is associated with a variety of immune infiltrating cells (B cells memory, T cells CD4 memory resting, T cells CD4 memory activated, NK cells resting, and so on). High NSUN2 expression lowers the sensitivity of many chemotherapy drugs, such as docetaxel, doxorubicin, fluorouracil, cisplatin, and etoposide. In prostate cancer, the most common type of mutation in NSUN2 is amplification, and NSUN2 copy number variation is closely associated with NSUN2 expression and immune cell infiltration. GSEA analysis showed that the related genes were mainly enriched in ubiquitin-mediated protein hydrolysis, cell cycle, RNA degradation, endometrial cancer, prostate cancer, p53 signaling pathway, and NSUN2 potentiated the proliferation and migration of prostate cancer cells. Conclusions: NSUN2 is highly expressed in prostate cancer, which contributes to the progression of prostate cancer, and is closely implicated in immune cell infiltration and chemotherapy drugs. NSUN2 is expected to be a prospective marker and a new treatment target for prostate cancer.
Language	English
Publishing date	2022-08-01
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2649216-7
ISSN	2234-943X
ISSN	2234-943X
DOI	10.3389/fonc.2022.965571
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Article ; Online: Combination with vorinostat enhances the antitumor activity of cisplatin in castration-resistant prostate cancer by inhibiting DNA damage repair pathway and detoxification of GSH.

Chang, Taihao / Lian, Zhenpeng / Ma, Shenfei / Liang, Zhengxin / Ma, Xudong / Wen, Xiaodong / Wang, Yanming / Liu, Ranlu

The Prostate

2022 Volume 83, Issue 5, Page(s) 470–486

Abstract: Background: Like DNA methylation, histone modifications are considered important processes for epigenetic alterations in gene function, and abnormally high expression of histone deacetylases (HDACs) plays a key role in many human diseases. In addition ... ...

Abstract	Background: Like DNA methylation, histone modifications are considered important processes for epigenetic alterations in gene function, and abnormally high expression of histone deacetylases (HDACs) plays a key role in many human diseases. In addition to regulating the acetylation levels of histone and non-histone proteins and gene transcription, HDAC inhibitors as antitumor drugs can also affect the DNA damage repair (DDR) pathway in tumor cells. Prostate cancer (PCa) is one of the most heritable malignancies in which DDR pathway defects can be detected in a considerable proportion of cases. Such defects are more prevalent in castration-resistant prostate cancer (CRPC) and are highly enriched in metastatic lesions. There is currently evidence that DDR pathway-deficient PCa is associated with high-risk biological behaviors and response sensitivity to platinum-based chemotherapy. Platinum-based drugs have been used in multiple clinical trials as monotherapy or in combination with other chemotherapeutic agents for the treatment of CRPC. Methods: This study evaluated the combined anticancer effect of (cisplatin) CDDP and the HDAC inhibitors vorinostat (SAHA) on three androgen-dependent cell lines PC-3, DU-145, and C4-2B in vitro. The efficacy and safety of SAHA combined with CDDP in the treatment of CRPC were further verified through animal experiments. Results: The combination of the two drugs increases cytotoxic effects by increasing DNA damage. Our results showed that the SAHA could not only reduce the expression of homologous recombinant repair proteins BRCA2, BRCA1, PARP1, and RAD51, but also decrease enzymes that Reduce the key enzymes of GSH biosynthesis, GSS and GCLC, and GSTP1 which can catalyze the binding of GSH to cisplatin. The intracellular GSH level also decreased with the increase of SAHA concentration, at the same time, the content of intracellular Pt element. Conclusion: The combination of CDDP and SAHA can produce synergistic anticancer effects in androgen-independent PCa cells in vitro and in vivo. Our results open up a new avenue for the effective treatment of CRPC. To optimize the chemotherapy regimen for patients with advanced PCa, it is necessary to further study the molecular mechanism of platinum drugs, HDAC inhibitors, and their combined action.
MeSH term(s)	Male ; Animals ; Humans ; Vorinostat/pharmacology ; Cisplatin ; Histone Deacetylase Inhibitors/pharmacology ; Prostatic Neoplasms, Castration-Resistant/drug therapy ; Androgens ; Cell Line, Tumor ; Antineoplastic Agents/pharmacology ; DNA Damage
Chemical Substances	Vorinostat (58IFB293JI) ; Cisplatin (Q20Q21Q62J) ; Histone Deacetylase Inhibitors ; Androgens ; Antineoplastic Agents
Language	English
Publishing date	2022-12-28
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	604707-5
ISSN	1097-0045 ; 0270-4137
ISSN (online)	1097-0045
ISSN	0270-4137
DOI	10.1002/pros.24479
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Article ; Online: Long noncoding RNA MEG3 regulates cell proliferation and apoptosis by disrupting microRNA-9-5p-mediated inhibition of NDRG1 in prostate cancer.

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Article ; Online: MiR-96-5p induced NDRG1 deficiency promotes prostate cancer migration and invasion through regulating the NF-κB signaling pathway.

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Article ; Online: MicroRNA-367-3p directly targets RAB23 and inhibits proliferation, migration and invasion of bladder cancer cells and increases cisplatin sensitivity.

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Article ; Online: Predicting Prognosis and Distinguishing Cold and Hot Tumors in Bladder Urothelial Carcinoma Based on Necroptosis-Associated lncRNAs.

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Article: Cuproptosis-Associated lncRNA Establishes New Prognostic Profile and Predicts Immunotherapy Response in Clear Cell Renal Cell Carcinoma.

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Article: Multi-omics analysis of expression and prognostic value of NSUN members in prostate cancer.

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Article ; Online: Combination with vorinostat enhances the antitumor activity of cisplatin in castration-resistant prostate cancer by inhibiting DNA damage repair pathway and detoxification of GSH.

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