1
|
Wang W, Pan F, Lin X, Yuan J, Tao C, Wang R. Ferroptosis-Related Hub Genes in Hepatocellular Carcinoma: Prognostic Signature, Immune-Related, and Drug Resistance Analysis. Front Genet 2022; 13:907331. [PMID: 35938001 PMCID: PMC9355705 DOI: 10.3389/fgene.2022.907331] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 06/20/2022] [Indexed: 01/10/2023] Open
Abstract
Background: Hepatocellular carcinoma (HCC) is the most prevalent type of primary liver cancer with a high fatality rate and dismal prognosis because of frequent recurrence and lack of efficient therapies. Ferroptosis is a recently recognized iron-dependent cell death distinct from necroptosis and apoptosis. The relationship between ferroptosis-related hub gene expression and prognosis in HCC remains to be further elucidated. Methods: Ferroptosis-related genes from the FerrDb database and the mRNA sequencing data and clinical information of HCC patients were obtained from The Cancer Genome Atlas (TCGA) database. The least absolute shrinkage and selection operator (LASSO) Cox regression was applied to identify a prognostic signature consisting of five ferroptosis-related hub genes in the TCGA cohort. The International Cancer Genome Consortium (ICGC) database was utilized to validate the reliability of the signature. Functional enrichment and immune-related analysis, including single-sample gene set enrichment analysis (ssGSEA), immune checkpoints, TIP-related genes, tumor stemness, and m6A-related genes, were performed to analyze the underlying mechanism. Additionally, the correlations between ferroptosis and drug resistance were evaluated using the NCI-60 database. Results: A 5–hub-gene signature associated with ferroptosis was constructed by multivariate Cox regression analysis to stratify patients into two risk groups. Patients with high risk had worse prognosis than those with low risk. Multivariate Cox regression analysis uncovered that the risk score was an independent prognostic indicator. We also proved the signature’s predictive capacity using the Kaplan–Meier method and receiver operating characteristic (ROC) curve analysis. Functional analysis showed that nuclear division and the cell cycle were enriched. Immune-related analysis revealed that the signature was enriched in immune-related pathways. Moreover, the risk signature was significantly associated with immune cell infiltration, immune checkpoints, TIP-related genes, tumor stem cells, as well as m6A-related genes. Furthermore, these genes were crucial regulators of drug resistance. Conclusion: We identified and validated a novel hub gene signature that is closely associated with ferroptosis as a new and efficient biomarker with favorable potential for predicting the prognosis of HCC patients. In addition, it also offers new insights into the molecular mechanisms of HCC and provides an effective approach for the treatment of HCC. Further studies are necessary to validate the results of our study.
Collapse
Affiliation(s)
- Wei Wang
- Department of Medical Oncology, Jinling Hospital, Nanjing Medical University, Nanjing, China
| | - Fan Pan
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Xinrong Lin
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Jiakai Yuan
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Chunyu Tao
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Rui Wang
- Department of Medical Oncology, Jinling Hospital, Nanjing Medical University, Nanjing, China
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
- *Correspondence: Rui Wang,
| |
Collapse
|
2
|
Bishnu A, Mehrotra M, Dhadve A, Dimri S, De A, Ray P. Predicting response to platinum and non-platinum drugs through bioluminescence resonance energy transfer (BRET) based bio-molecular interactions in platinum resistant epithelial ovarian cancer. Transl Oncol 2021; 14:101193. [PMID: 34365218 PMCID: PMC8353342 DOI: 10.1016/j.tranon.2021.101193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/27/2021] [Accepted: 07/31/2021] [Indexed: 12/17/2022] Open
Abstract
Therapy induced rewiring of signalling networks often lead to acquirement of platinum-resistance, thereby necessitating the use of non-platinum agents as second-line treatment particularly for epithelial ovarian cancer (EOC). A prior subject-specific assessment can guide the choice of optimal non-platinum agent/s and possible targeted therapeutic/s. Assessment of protein-protein interactions are superior to simple cytotoxicity assays to determine therapeutic efficacy and associated molecular responses. Utilizing improved PIP3-AKT and ERK1/2 activation Bioluminescence Resonance Energy Transfer (BRET) sensors, we report chemotherapy-induced ERK1/2 activation predominantly in cisplatin-paclitaxel resistant EOC cells and increased activation of both ERK1/2 and AKT in malignant ascites derived cancer cells from platinum-resistant patients but not from treatment-naive or platinum-sensitive relapse patients. Further, majority of the non-platinum drugs except irinotecan increased ERK1/2 activation in platinum-taxol resistant cells as observed by live-cell BRET assessment which were associated with p90RSK1/2 and BAD activation along with upregulation of multidrug transporter gene ABCC1 and cell survival genes like cyclin D1 and Bcl2. Interestingly, only irinotecan was able to sensitize these resistant cells. Altogether, this first report of BRET based sensing of molecular pathway activations in platinum resistant cell lines and patient's derived cancer cells highlight the clinical potential of BRET sensors in management of therapy resistant cancer.
Collapse
Affiliation(s)
- Aniketh Bishnu
- Imaging Cell Signalling & Therapeutics Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India; Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India
| | - Megha Mehrotra
- Imaging Cell Signalling & Therapeutics Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India; Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India
| | - Ajit Dhadve
- Imaging Cell Signalling & Therapeutics Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India; Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India
| | - Shalini Dimri
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India; Molecular Functional Imaging Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India
| | - Abhijit De
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India; Molecular Functional Imaging Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India
| | - Pritha Ray
- Imaging Cell Signalling & Therapeutics Lab, Advanced Centre for Treatment, Research and Education in Cancer, TMC, Navi Mumbai 410210, India; Homi Bhabha National Institute, Anushakti Nagar, Mumbai 400094, India.
| |
Collapse
|
3
|
Xiao H, Wang B, Xiong HX, Guan JF, Wang J, Tan T, Lin K, Zou SB, Hu ZG, Wang K. A novel prognostic index of hepatocellular carcinoma based on immunogenomic landscape analysis. J Cell Physiol 2020; 236:2572-2591. [PMID: 32853412 DOI: 10.1002/jcp.30015] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 07/09/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023]
Abstract
Changes in immune responses to hepatocellular carcinoma (HCC) are closely related to the occurrence, development, and prognosis of this disease. Exploring the role of immune-related genes (IRGs) in HCC would provide insights into the mechanisms regulating this disease. The Cancer Genome Atlas (TCGA) and International Cancer Genome Consortium (ICGC) provide a platform for such research, owing to a large number of HCC samples available for comprehensive and systematic immunogenomics analyses. We analyzed the IRGs expression profile and clinical information of patients with HCC based on the TCGA and ICGC database. Potential molecular mechanisms and properties of the screened IRGs were analyzed across multiple databases. And we analyzed the correlation between IRGs, single-nucleotide polymorphisms, and copy number variation. A novel prognostic index, based on IRGs, was developed using the LASSO Cox regression algorithm, followed by univariate and multivariate Cox regression analyses to analyze the prognostic index. Information in the ICGC database was used to verify the reliability of the prognostic index. A total of 54 differentially expressed IRGs were found to be significantly associated with HCC prognosis, and there is a significant correlation between their expression level and copy number variation. Functional enrichment analyses indicated that the genes play active roles in tumor and immune-related signaling pathways. In addition, five potential biomarkers namely IRG, MAPK3, HSP90AA1, HSP90AB1, HSPA4, and CDK4, were identified. Finally, a novel prognostic index, based on IRGs (PSMD14, FABP6, ISG20L2, HGF, BIRC5, IL17D, and STC2), was found useful as an independent prognostic factor, not only for prognosis but also to reflect levels of infiltration in a variety of immune cells. Our team conducted a genomics study of IRGs in HCC and screened several clinically significant IRGs, and our model provides an effective approach for stratification and characterization of patients using IRG-based immunolabeling tools to monitor the prognosis of HCC.
Collapse
Affiliation(s)
- Han Xiao
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Key Laboratory of Molecular Medicine, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Ben Wang
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Key Laboratory of Molecular Medicine, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Hai-Xia Xiong
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Key Laboratory of Molecular Medicine, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Jia-Fu Guan
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Jian Wang
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Tao Tan
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Kang Lin
- Jiangxi Province Key Laboratory of Molecular Medicine, Nanchang, China.,Gastrointestinal Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shu-Bing Zou
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Zhi-Gang Hu
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| | - Kai Wang
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Jiangxi Province Engineering Research Center of Hepatobiliary Disease, Nanchang, China
| |
Collapse
|
4
|
Jiang X, Lei T, Zhang M. Expression and Functions of Formyl Peptide Receptor 1 in Drug-Resistant Bladder Cancer. Technol Cancer Res Treat 2019; 17:1533034618769413. [PMID: 29665744 PMCID: PMC5912276 DOI: 10.1177/1533034618769413] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Objective: To explore the correlation of formyl peptide receptor 1 expression with drug resistance and the functions of formyl peptide receptor 1 in drug-resistant bladder cancer. Methods: Expression of formyl peptide receptor 1 in T24 and T24/DDP cisplatin-resistant bladder cancer cell lines was tested by quantitative real-time Polymerase Chain Reaction and Western blotting. After incubation of T24/DDP with N-formyl-Met-Leu-Phe, the phosphor proteins were tested by Western blot analysis. We characterized the functions of formyl peptide receptor 1 in T24/DDP cells by assessing proliferation, migration, and changes of cell cycles. Results: Formyl peptide receptor 1 was expressed in both T24 and T24/DDP, and it was overexpressed in T24/DDP compared with T24. Formyl peptide receptor 1 activation promoted the expression of the messenger RNA of resistance-related proteins, such as multidrug resistance-associated protein 1 (MRP1) and lung resistance-related protein (LRP). The expression of 4 signal pathway proteins were upregulated: signal transducer and activator of transcription 3, Janus kinase 2, extracellular regulated protein kinases, and protein kinase B, while the expression of phosphatidylinositol 3-kinase was observed to be downregulated in drug-resistant bladder cancer cells. Formyl peptide receptor 1 activation also improved the expression of phospho-signal transducer and activator of transcription 3 and phospho-extracellular regulated protein kinases 1/2 and promoted the proliferation and migration of T24/DDP cells. In addition, formyl peptide receptor 1 inhibition led to the change in the cell cycle in T24/DDP. Conclusions: The overexpression of formyl peptide receptor 1 may be related to drug-resistant bladder cancer and promotes the deterioration of drug-resistant bladder cancer.
Collapse
Affiliation(s)
- Xue Jiang
- 1 Clinical Laboratory Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,2 Beijing Key Laboratory of Urinary Cellular Molecular Diagnostics, Beijing, China
| | - Ting Lei
- 1 Clinical Laboratory Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,2 Beijing Key Laboratory of Urinary Cellular Molecular Diagnostics, Beijing, China
| | - Man Zhang
- 1 Clinical Laboratory Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,2 Beijing Key Laboratory of Urinary Cellular Molecular Diagnostics, Beijing, China
| |
Collapse
|
5
|
Deng X, Xu G, He L, Xu M. p75NTR promotes survival of breast cancer resistant cells by regulating Bcl-2/Bax and MAPK pathway. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2017; 10:11685-11694. [PMID: 31966528 PMCID: PMC6966053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 08/29/2017] [Indexed: 06/10/2023]
Abstract
In breast cancer, the neurotrophin receptor p75NTR is a critical factor that promotes resistance to the drug, however, its mechanism of action remains unclear. In our study, the 10 cases of positive expressions of p75NTR were detected in 86 cases of breast cancer tissues, accounting for 11.6% of cases detected. The immunohistochemistry detection of p75NTR was in the cytoplasm and cell membrane. The expression of p75NTR was significantly associated with histological grade (P<0.01), however, not with the menopause, tumor size and lymph node metastasis. Western blot result showed that p75NTR protein was induced by overexpression in the multidrug-resistant breast cancer cell lines. After transfection of pcDNA3.1-p75NTR, MDA-MB-231/ADR-p75NTR cell cycle was arrested in G0/G1 phase. However, the number of cells in G0/G1 phase increased and decreased in S phase cells (P<0.05). Additionally, apoptosis rate decreased (P<0.05). The p75NTR overexpression increased the expression of MDR related protein and activated MAPK signaling pathway.
Collapse
Affiliation(s)
- Xiaofang Deng
- Department of Medicine, Affiliated Cancer Hospital & Institute of Guangzhou Medical UniversityGuangzhou 510095, China
| | - Gang Xu
- Department of Thoracic Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical UniversityGuangzhou 510095, China
| | - Lizhen He
- Department of Pathology, Affiliated Cancer Hospital & Institute of Guangzhou Medical UniversityGuangzhou 510095, China
| | - Meng Xu
- Department of Oncology, The First Affiliated Hospital of Jinan UniversityGuangzhou 510630, China
| |
Collapse
|
6
|
Chang WT, Liu W, Chiu YH, Chen BH, Chuang SC, Chen YC, Hsu YT, Lu MJ, Chiou SJ, Chou CK, Chiu CC. A 4-Phenoxyphenol Derivative Exerts Inhibitory Effects on Human Hepatocellular Carcinoma Cells through Regulating Autophagy and Apoptosis Accompanied by Downregulating α-Tubulin Expression. Molecules 2017; 22:molecules22050854. [PMID: 28531143 PMCID: PMC6154338 DOI: 10.3390/molecules22050854] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 05/16/2017] [Accepted: 05/16/2017] [Indexed: 12/30/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a leading cancer worldwide. Advanced HCCs are usually resistant to anticancer drugs, causing unsatisfactory chemotherapy outcomes. In this study, we showed that a 4-phenoxyphenol derivative, 4-[4-(4-hydroxyphenoxy)phenoxy]phenol (4-HPPP), exerts an inhibitory activity against two HCC cell lines, Huh7 and Ha22T. We further investigated the anti-HCC activities of 4-HPPP, including anti-proliferation and induction of apoptosis. Our results showed that higher dosage of 4-HPPP downregulates the expression of α-tubulin and causes nuclear enlargement in both the Huh-7 and Ha22T cell lines. Interestingly, the colony formation results showed a discrepancy in the inhibitory effect of 4-HPPP on HCC and rat liver epithelial Clone 9 cells, suggesting the selective cytotoxicity of 4-HPPP toward HCC cells. Furthermore, the cell proliferation and apoptosis assay results illustrated the differences between the two HCC cell lines. The results of cellular proliferation assays, including trypan blue exclusion and colony formation, revealed that 4-HPPP inhibits the growth of Huh7 cells, but exerts less cytotoxicity in Ha22T cells. Furthermore, the annexin V assay performed for detecting the apoptosis showed similar results. Western blotting results showed 4-HPPP caused the increase of pro-apoptotic factors including cleaved caspase-3, Bid and Bax in HCC cells, especially in Huh-7. Furthermore, an increase of autophagy-associated protein microtubule-associated protein-1 light chain-3B (LC3B)-II and the decrease of Beclin-1 and p62/SQSTM1 were observed following 4-HPPP treatment. Additionally, the level of γH2A histone family, member X (γH2AX), an endogenous DNA damage biomarker, was dramatically increased in Huh7 cells after 4-HPPP treatment, suggesting the involvement of DNA damage pathway in 4-HPPP-induced apoptosis. On the contrary, the western blotting results showed that treatment up-regulates pro-survival proteins, including the phosphorylation of protein kinase B (Akt) and the level of survivin on Ha22T cells, which may confer a resistance toward 4-HPPP. Notably, the blockade of extracellular signal-regulated kinases (ERK), but not Akt, enhanced the cytotoxicity of 4-HPPP against Ha22T cells, indicating the pro-survival role of ERK in 4-HPPP-induced anti-HCC effect. Our present work suggests that selective anti-HCC activity of 4-HPPP acts through induction of DNA damage. Accordingly, the combination of ERK inhibitor may significantly enhance the anti-cancer effect of 4-HPPP for those HCC cells which overexpress ERK in the future.
Collapse
Affiliation(s)
- Wen-Tsan Chang
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Wangta Liu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yi-Han Chiu
- Department of Nursing, St. Mary's Junior College of Medicine, Nursing and Management, Yi-Lan 266, Taiwan.
| | - Bing-Hung Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- The Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.
| | - Shih-Chang Chuang
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Transplantation Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Yen-Chun Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yun-Tzh Hsu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Mei-Jei Lu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Shean-Jaw Chiou
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chon-Kit Chou
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Translational Research Center, Cancer Center, Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Research Center for Environment Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan.
| |
Collapse
|
7
|
Shi Y, Wang SY, Yao M, Sai WL, Wu W, Yang JL, Cai Y, Zheng WJ, Yao DF. Chemosensitization of HepG2 cells by suppression of NF-κB/p65 gene transcription with specific-siRNA. World J Gastroenterol 2016. [PMID: 26668505 DOI: 10.3748/wjg.v21.i45.1281426668505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM To investigate small interfering RNA (siRNA)-mediated inhibition of nuclear factor-kappa B (NF-κB) activation and multidrug-resistant (MDR) phenotype formation in human HepG2 cells. METHODS Total RNA was extracted from human HepG2 or LO2 cells. NF-κB/p65 mRNA was amplified by nested reverse transcription polymerase chain reaction and confirmed by sequencing. NF-κB/p65 was analyzed by immunohistochemistry. Specific-siRNA was transfected to HepG2 cells to knock down NF-κB/p65 expression. The effects on cell proliferation, survival, and apoptosis were assessed, and the level of NF-κB/p65 or P-glycoprotein (P-gp) was quantitatively analyzed by enzyme-linked immunosorbent assay. RESULTS HepG2 cells express NF-κB/p65 and express relatively less phosphorylated p65 (P-p65) and little P-gp. After treatment of HepG2 cells with different doses of doxorubicin, the expression of NF-κB/p65, P-p65, and especially P-gp were dose-dependently upregulated. After HepG2 cells were transfected with NF-κB/p65 siRNA (100 nmol/L), the expression of NF-κB/p65, P-p65, and P-gp were downregulated significantly and dose-dependently. The viability of HepG2 cells was decreased to 23% in the combination NF-κB/p65 siRNA (100 nmol/L) and doxorubicin (0.5 μmol/L) group and 47% in the doxorubicin (0.5 μmol/L) group (t = 7.043, P < 0.001). CONCLUSION Knockdown of NF-κB/p65 with siRNA is an effective strategy for inhibiting HepG2 cell growth by downregulating P-gp expression associated chemosensitization and apoptosis induction.
Collapse
Affiliation(s)
- Yun Shi
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Si-Ye Wang
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Min Yao
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Wen-Li Sai
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Wei Wu
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Jun-Ling Yang
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Yin Cai
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Wen-Jie Zheng
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Deng-Fu Yao
- Yun Shi, Si-Ye Wang, Min Yao, Wen-Li Sai, Wei Wu, Jun-Ling Yang, Wen-Jie Zheng, Deng-Fu Yao, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| |
Collapse
|
8
|
MA MING, ZHAO LIANMEI, SUN GUOGUI, ZHANG CHAO, LIU LIHUA, DU YANYAN, YANG XINGXIAO, SHAN BAOEN. Mda-7/IL-24 enhances sensitivity of B cell lymphoma to chemotherapy drugs. Oncol Rep 2016; 35:3122-30. [DOI: 10.3892/or.2016.4622] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 12/15/2015] [Indexed: 11/06/2022] Open
|
9
|
Mehdizadeh A, Somi MH, Darabi M, Jabbarpour-Bonyadi M. Extracellular signal-regulated kinase 1 and 2 in cancer therapy: a focus on hepatocellular carcinoma. Mol Biol Rep 2016; 43:107-16. [DOI: 10.1007/s11033-016-3943-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 01/05/2016] [Indexed: 12/30/2022]
|
10
|
Tang B, Hu Z, Li Y, Yuan S, Wang Z, Yu S, He S. Downregulation of δ opioid receptor by RNA interference enhances the sensitivity of BEL/FU drug‑resistant human hepatocellular carcinoma cells to 5‑FU. Mol Med Rep 2016; 13:59-66. [PMID: 26549838 PMCID: PMC4686084 DOI: 10.3892/mmr.2015.4511] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 09/09/2015] [Indexed: 01/04/2023] Open
Abstract
δ opioid receptor (DOR) was the first opioid receptor of the G protein‑coupled receptor family to be cloned. Our previous studies demonstrated that DOR is involved in regulating the development and progression of human hepatocellular carcinoma (HCC), and is involved in the regulation of the processes of invasion and metastasis of HCC cells. However, whether DOR is involved in the development and progression of drug resistance in HCC has not been reported and requires further elucidation. The aim of the present study was to investigate the expression levels of DOR in the drug‑resistant HCC BEL‑7402/5‑fluorouracil (BEL/FU) cell line, and its effects on drug resistance, in order to preliminarily elucidate the effects of DOR in HCC drug resistance. The results of the present study demonstrated that DOR was expressed at high levels in the BEL/FU cells, and the expression levels were higher, compared with those in normal liver cells. When the expression of DOR was silenced, the proliferation of the drug‑resistant HCC cells were unaffected. However, when the cells were co‑treated with a therapeutic dose of 5‑FU, the proliferation rate of the BEL/FU cells was significantly inhibited, a large number of cells underwent apoptosis, cell cycle progression was arrested and changes in the expression levels of drug‑resistant proteins were observed. Overall, the expression of DOR was upregulated in the drug‑resistant HCC cells, and its functional status was closely associated with drug resistance in HCC. Therefore, DOR may become a recognized target molecule with important roles in the clinical treatment of drug‑resistant HCC.
Collapse
Affiliation(s)
- Bo Tang
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Zhigao Hu
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Yang Li
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Shengguang Yuan
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Zhenran Wang
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Shuiping Yu
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| | - Songqing He
- Department of Hepatobiliary Surgery, Guilin Medical University, Affiliated Hospital, Guilin, Guangxi 541001, P.R. China
| |
Collapse
|
11
|
Shi Y, Wang SY, Yao M, Sai WL, Wu W, Yang JL, Cai Y, Zheng WJ, Yao DF. Chemosensitization of HepG2 cells by suppression of NF-κB/p65 gene transcription with specific-siRNA. World J Gastroenterol 2015; 21:12814-12821. [PMID: 26668505 PMCID: PMC4671036 DOI: 10.3748/wjg.v21.i45.12814] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Revised: 07/04/2015] [Accepted: 09/15/2015] [Indexed: 02/06/2023] Open
Abstract
AIM To investigate small interfering RNA (siRNA)-mediated inhibition of nuclear factor-kappa B (NF-κB) activation and multidrug-resistant (MDR) phenotype formation in human HepG2 cells. METHODS Total RNA was extracted from human HepG2 or LO2 cells. NF-κB/p65 mRNA was amplified by nested reverse transcription polymerase chain reaction and confirmed by sequencing. NF-κB/p65 was analyzed by immunohistochemistry. Specific-siRNA was transfected to HepG2 cells to knock down NF-κB/p65 expression. The effects on cell proliferation, survival, and apoptosis were assessed, and the level of NF-κB/p65 or P-glycoprotein (P-gp) was quantitatively analyzed by enzyme-linked immunosorbent assay. RESULTS HepG2 cells express NF-κB/p65 and express relatively less phosphorylated p65 (P-p65) and little P-gp. After treatment of HepG2 cells with different doses of doxorubicin, the expression of NF-κB/p65, P-p65, and especially P-gp were dose-dependently upregulated. After HepG2 cells were transfected with NF-κB/p65 siRNA (100 nmol/L), the expression of NF-κB/p65, P-p65, and P-gp were downregulated significantly and dose-dependently. The viability of HepG2 cells was decreased to 23% in the combination NF-κB/p65 siRNA (100 nmol/L) and doxorubicin (0.5 μmol/L) group and 47% in the doxorubicin (0.5 μmol/L) group (t = 7.043, P < 0.001). CONCLUSION Knockdown of NF-κB/p65 with siRNA is an effective strategy for inhibiting HepG2 cell growth by downregulating P-gp expression associated chemosensitization and apoptosis induction.
Collapse
MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- Antibiotics, Antineoplastic/pharmacology
- Apoptosis/drug effects
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/therapy
- Cell Proliferation/drug effects
- Dose-Response Relationship, Drug
- Doxorubicin/pharmacology
- Drug Resistance, Multiple/genetics
- Drug Resistance, Neoplasm/genetics
- Gene Expression Regulation, Neoplastic
- Hep G2 Cells
- Humans
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Liver Neoplasms/therapy
- Male
- RNA Interference
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- RNAi Therapeutics
- Time Factors
- Transcription Factor RelA/genetics
- Transcription Factor RelA/metabolism
- Transcription, Genetic
- Transfection
Collapse
|
12
|
MAPK1 of Leishmania donovani modulates antimony susceptibility by downregulating P-glycoprotein efflux pumps. Antimicrob Agents Chemother 2015; 59:3853-63. [PMID: 25870075 DOI: 10.1128/aac.04816-14] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 04/07/2015] [Indexed: 01/18/2023] Open
Abstract
Emergence of resistance to pentavalent antimonials has become a severe obstacle in the treatment of visceral leishmaniasis (VL) in the Indian subcontinent. Mitogen-activated protein kinases (MAPKs) are well-known mediators of signal transduction of eukaryotes, regulating important processes, like proliferation, differentiation, stress response, and apoptosis. In Leishmania, MAPK1 has been shown to be consistently downregulated in antimony-resistant field isolates, suggesting that it has a role in antimony resistance. The present work investigates the molecular mechanism of MAPK1 in antimony resistance in Leishmania donovani. The L. donovani MAPK1 (LdMAPK1) single-allele replacement mutants exhibited increased resistance to Sb(III) (5.57-fold) compared to wild-type promastigotes, while overexpressing parasites became much more susceptible to antimony. The LdMAPK1-mediated drug sensitivity was directly related to antimony-induced apoptotic death of the parasite, as was evidenced by a 4- to 5-fold decrease in cell death parameters in deletion mutants and a 2- to 3-fold increase in MAPK1-overexpressing cells. LdMAPK1-underexpressing parasites also exhibited increased P-glycoprotein (P-gp)-mediated efflux pump activity, while a significant decrease in pump activity was observed in overexpressing cells. This change in efflux pump activity was directly related to expression levels of P-gp in all cell lines. However, episomal complementation of the gene restored normal growth, drug sensitivity, P-gp expression, and efflux pump activity. The data indicate that LdMAPK1 negatively regulates the expression of P-glycoprotein-type efflux pumps in the parasite. The decrease in efflux pump activity with an increase in LdMAPK1 expression may result in increased antimony accumulation in the parasite, making it more vulnerable to the drug.
Collapse
|
13
|
Yan F, Bai LP, Gao H, Zhu CM, Lin L, Kang XP. EGF reverses multi-drug resistance via the p-ERK pathway in HepG2/ADM and SMMC7721/ADM hepatocellular carcinoma models. Asian Pac J Cancer Prev 2015; 15:2619-23. [PMID: 24761873 DOI: 10.7314/apjcp.2014.15.6.2619] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AIM To investigate signaling pathways for reversal of EGF-mediated multi-drug resistance (MDR) in hepatocellular carcinoma (HCC) models. MATERIALS AND METHODS HCC MDR cell strain HepG2/adriamycin (ADM) and SMMC7721/ADM models were established using a method of exposure to medium with ADM between low and high concentration with gradually increasing concentration. Drug sensitivity and reversal of multi-drug resistance by EGF were determined and the cell cycle distribution and apoptosis were analyzed by flow cytometry. Phosphorylation of ERK1, ERK2, ERK5 and expression of Bim were detected by Western blotting. RESULTS The results showed that HepG2/ADM and SMMC7721/ADM cells were resistant not only to ADM, but also to multiple anticancer drugs. When used alone, EGF had no anti-tumor activity in HepG2/ADM and SMMC7721/ADM cells in vitro, while it increased the cytotoxicity of ADM. EGF induced cell apoptosis and G0/G1 phase cell cycle arrest in HepG2/ADM And SMMC7721/ADM cells, while enhancing activity of p-ERKs and up-regulated expression of BimEL. CONCLUSIONS EGF might enhance the chemosensitivity of HepG2/ADM and SMMC7721/ADM cells via up-regulating p-ERKs and BimEL protein.
Collapse
Affiliation(s)
- Feng Yan
- Department of Gastrointestinal Surgery, Zhongshan Hospital, Xiamen University; Xiamen University Digestive Diseases Institute; Digestive Diseases Center of Xiamen City, Xiamen, China E-mail :
| | | | | | | | | | | |
Collapse
|
14
|
Involvement of CUL4A in regulation of multidrug resistance to P-gp substrate drugs in breast cancer cells. Molecules 2013; 19:159-76. [PMID: 24368600 PMCID: PMC6271407 DOI: 10.3390/molecules19010159] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Revised: 12/15/2013] [Accepted: 12/17/2013] [Indexed: 12/16/2022] Open
Abstract
CUL4A encodes a core component of a cullin-based E3 ubiquitin ligase complex that regulates many critical processes such as cell cycle progression, DNA replication, DNA repair and chromatin remodeling by targeting a variety of proteins for ubiquitination and degradation. In the research described in this report we aimed to clarify whether CUL4A participates in multiple drug resistance (MDR) in breast cancer cells. We first transfected vectors carrying CUL4A and specific shCUL4A into breast cancer cells and corresponding Adr cells respectively. Using reverse transcription polymerase chain reactions and western blots, we found that overexpression of CUL4A in MCF7 and MDA-MB-468 cells up-regulated MDR1/P-gp expression on both the transcription and protein levels, which conferred multidrug resistance to P-gp substrate drugs, as determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays. On the other hand, silencing CUL4A in MCF7/Adr and MDA-MB-468/Adr cells led to the opposite effect. Moreover, ERK1/2 in CUL4A-overexpressing cells was highly activated and after treatment with PD98059, an ERK1/2-specific inhibitor, CUL4A-induced expression of MDR1/P-gp was decreased significantly. Lastly, immunohistochemistry in breast cancer tissues showed that P-gp expression had a positive correlation with the expression of CUL4A and ERK1/2. Thus, these results implied that CUL4A and ERK1/2 participated in multi-drug resistance in breast cancer through regulation of MDR1/P-gp expression.
Collapse
|
15
|
Kessler SM, Pokorny J, Zimmer V, Laggai S, Lammert F, Bohle RM, Kiemer AK. IGF2 mRNA binding protein p62/IMP2-2 in hepatocellular carcinoma: antiapoptotic action is independent of IGF2/PI3K signaling. Am J Physiol Gastrointest Liver Physiol 2013; 304:G328-36. [PMID: 23257922 DOI: 10.1152/ajpgi.00005.2012] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The insulin-like growth factor II (IGF2) mRNA binding protein (IMP) p62/IMP2-2, originally isolated from a hepatocellular carcinoma (HCC) patient, induces a steatotic phenotype when overexpressed in mouse livers. Still, p62 transgenic livers do not show liver cell damage but exhibit a pronounced induction of Igf2 and activation of the downstream survival kinase AKT. The aim of this study was to investigate the relation between p62 and IGF2 expression in the human system and to study potential antiapoptotic actions of p62. p62 and IGF2 mRNA levels were assessed by real-time RT-PCR. For knockdown and overexpression experiments, human hepatoma HepG2 and PLC/PRF/5 cells were transfected with siRNA or plasmid DNA. Phosphorylated AKT and ERK1/2 were analyzed by Western blot. Investigations of 32 human HCC tissues showed a strong correlation between p62 and IGF2 expression. Of note, p62 expression was increased markedly in patients with poor outcome. In hepatoma cells overexpression of p62 lowered levels of doxorubicin-induced caspase-3-like activity. Vice versa, knockdown of p62 resulted in increased doxorubicin-induced apoptosis. However, neither PI3K inhibitors nor a neutralizing IGF2 antibody showed any effects. Western blot analysis revealed increased levels of phosphorylated ERK1/2 in hepatoma cells overexpressing p62 and decreased levels in p62 knockdown experiments. When p62-overexpressing cells were treated with ERK1/2 inhibitors, the apoptosis-protecting effect of p62 was completely abrogated. Our data demonstrate that p62 exerts IGF2-independent antiapoptotic action, which is facilitated via phosphorylation of ERK1/2. Furthermore, p62 might serve as a new prognostic marker in HCC.
Collapse
Affiliation(s)
- Sonja M Kessler
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | | | | | | | | | | | | |
Collapse
|
16
|
Mitogen-activated protein kinases in hepatocellular carcinoma development. Semin Cancer Biol 2011; 21:10-20. [DOI: 10.1016/j.semcancer.2010.10.011] [Citation(s) in RCA: 142] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2010] [Revised: 10/05/2010] [Accepted: 10/13/2010] [Indexed: 12/22/2022]
|
17
|
Chang YJ, Chiu CC, Wu CH, An J, Wu CC, Liu TZ, Wei PL, Huang MT. Glucose-regulated protein 78 (GRP78) silencing enhances cell migration but does not influence cell proliferation in hepatocellular carcinoma. Ann Surg Oncol 2010; 17:1703-9. [PMID: 20087778 DOI: 10.1245/s10434-010-0912-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2009] [Indexed: 02/05/2023]
Abstract
BACKGROUND GRP78 plays an essential role in embryonic development and in the therapeutic treatment and progression of cancer. However, little is known about the role of GRP78 in hepatocellular carcinoma (HCC). METHODS In this study, we characterized five different HCC cell lines to examine GRP78 expression patterns and found that only HepJ5 cells ectopically overexpress GRP78. We knocked down GRP78 expression in HepJ5 cells using a small interfering RNA (siRNA), and the proliferation assay and migration assay were performed. RESULTS Using siRNA technique, we could successfully reduce GRP78 expression levels in HepJ5 cells. In a cell growth study, we found that GRP78-siRNA caused no significant changes in cellular proliferation in 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), colony formation, and cell cycle distribution. In a cell migration study, we found that GRP78-siRNA HepJ5 cells had dramatically increased migration ability in Transwell assay. CONCLUSIONS We conclude that ectopically expressed GRP78 does not contribute to the increased proliferation of HepJ5 cells, but does correlate with the migration of HCC cells under normoxic conditions.
Collapse
Affiliation(s)
- Yu-Jia Chang
- Department of Surgery, Taipei Medical University, Taipei, Taiwan
| | | | | | | | | | | | | | | |
Collapse
|