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Qiao X, Sun J, Ren P, Guo H, Xu H, Bao C, Jiang C. Integrated single-cell sequencing, spatial transcriptome sequencing and bulk RNA sequencing highlights the molecular characteristics of parthanatos in gastric cancer. Aging (Albany NY) 2024; 16:5471-5500. [PMID: 38499384 PMCID: PMC11006479 DOI: 10.18632/aging.205658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 02/08/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND Parthanatos is a novel programmatic form of cell death based on DNA damage and PARP-1 dependency. Nevertheless, its specific role in the context of gastric cancer (GC) remains uncertain. METHODS In this study, we integrated multi-omics algorithms to investigate the molecular characteristics of parthanatos in GC. A series of bioinformatics algorithms were utilized to explore clinical heterogeneity of GC and further predict the clinical outcomes. RESULTS Firstly, we conducted a comprehensive analysis of the omics features of parthanatos in various human tumors, including genomic mutations, transcriptome expression, and prognostic relevance. We successfully identified 7 cell types within the GC microenvironment: myeloid cell, epithelial cell, T cell, stromal cell, proliferative cell, B cell, and NK cell. When compared to adjacent non-tumor tissues, single-cell sequencing results from GC tissues revealed elevated scores for the parthanatos pathway across multiple cell types. Spatial transcriptomics, for the first time, unveiled the spatial distribution characteristics of parthanatos signaling. GC patients with different parthanatos signals often exhibited distinct immune microenvironment and metabolic reprogramming features, leading to different clinical outcomes. The integration of parthanatos signaling and clinical indicators enabled the creation of novel survival curves that accurately assess patients' survival times and statuses. CONCLUSIONS In this study, the molecular characteristics of parthanatos' unicellular and spatial transcriptomics in GC were revealed for the first time. Our model based on parthanatos signals can be used to distinguish individual heterogeneity and predict clinical outcomes in patients with GC.
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Affiliation(s)
- Xiuli Qiao
- Department of Gastroenterology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jiaao Sun
- The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Pingping Ren
- Department of Gastroenterology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hui Guo
- The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hua Xu
- Department of Gastroenterology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Chongchan Bao
- Department of Breast and Thyroid Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
- Key Laboratory of Molecular Pathology in Tumors of Guangxi, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Chunmeng Jiang
- Department of Gastroenterology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
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2
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Pan K, Li X, He J, Lei Y, Yang Y, Jiang D, Tang Y. Value of the NF-κB signalling pathway and the DNA repair gene PARP1 in predicting distant metastasis after breast cancer surgery. Sci Rep 2024; 14:4402. [PMID: 38388665 PMCID: PMC10883999 DOI: 10.1038/s41598-023-49156-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 12/05/2023] [Indexed: 02/24/2024] Open
Abstract
The DNA repair gene PARP1 and NF-κB signalling pathway affect the metastasis of breast cancer by influencing the drug resistance of cancer cells. Therefore, this study focused on the value of the DNA repair gene PARP1 and NF-κB pathway proteins in predicting the postoperative metastasis of breast cancer. A nested case‒control study was performed. Immunohistochemical methods were used to detect the expression of these genes in patients. ROC curves were used to analyse the predictive effect of these factors on distant metastasis. The COX model was used to evaluate the effects of PARP1 and TNF-α on distant metastasis. The results showed that the expression levels of PARP1, IKKβ, p50, p65 and TNF-α were significantly increased in the metastasis group (P < 0.001). PARP1 was correlated with IKKβ, p50, p65 and TNF-α proteins (P < 0.001). There was a correlation between IKKβ, p50, p65 and TNF-α proteins (P < 0.001). ROC curve analysis showed that immunohistochemical scores for PARP1 of > 6, IKKβ of > 4, p65 of > 4, p50 of > 2, and TNF-α of > 4 had value in predicting distant metastasis (SePARP1 = 78.35%, SpPARP1 = 79.38%, AUCPARP1 = 0.843; Sep50 = 64.95%, Spp50 = 70.10%, AUCp50 = 0.709; SeTNF-α = 60.82%, SpTNF-α = 69.07%, AUCTNF-α = 0.6884). Cox regression analysis showed that high expression levels of PARP1 and TNF-α were a risk factor for distant metastasis after breast cancer surgery (RRPARP1 = 4.092, 95% CI 2.475-6.766, P < 0.001; RRTNF-α = 1.825, 95% CI 1.189-2.799, P = 0.006). Taken together, PARP1 > 6, p50 > 2, and TNF-α > 4 have a certain value in predicting breast cancer metastasis, and the predictive value is better when they are combined for diagnosis (Secombine = 97.94%, Spcombine = 71.13%).
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Affiliation(s)
- Kaiyong Pan
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Xiabin Li
- Department of Pathology, The First Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, Sichuan, China
| | - Junfang He
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Yuxi Lei
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Yongxin Yang
- Guizhou QianNan People's Hospital, 9 Enfeng Road, Duyun, 558099, Guizhou, China
| | - Deyong Jiang
- Sichuan Luzhou Center for Disease Control, 31 Datong Road, Luzhou, 646000, Sichuan, China
| | - Yan Tang
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China.
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3
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Maeda J, Shellenberger KD, Kurihara W, Haga T, Kato TA. Sulfoquinovosyl acylpropanediol (SQAP): Inhibition of poly(ADP-ribose) metabolism and enhanced cytotoxicity in homologous recombination repair-deficient Chinese hamster-derived cells. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2023; 892:503703. [PMID: 37973295 DOI: 10.1016/j.mrgentox.2023.503703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 11/19/2023]
Abstract
Sulfoquinovosyl acylpropanediol (SQAP; a synthetic derivative of the sulfoglycolipid natural product sulfoquinovosyl acylglycerol, SQAG), has anti-tumor and radiosensitizing activities in tumor xenograft mouse models. Here, we have studied the PARP inhibitory activity of SQAP and synthetic lethality in BRCA2-deficient cells. In initial screening studies with DNA repair-deficient Chinese hamster ovary cells, homologous recombination repair-deficient cell lines showed increased sensitivity to SQAP, compared to wild-type cells or other DNA repair-deficient mutants. Chinese hamster lung V79 cells and the derivative cell lines V-C8 (BRCA2-deficient) and V-C8 + BRCA2 gene corrections were used to test the role of BRCA2 in SQAP cytotoxicity. The findings were confirmed in studies of the human colon cancer cell lines DLD-1 and its BRCA2-knockout derivative. SQAP inhibited the enzymes poly(ADP-ribose) polymerase (PARP) and poly(ADP-ribose) glycohydrolase (PARG). SQAP pretreatment decreased H2O2induced poly(ADP-ribose) formation in V79 cells. SQAP caused DNA double-strand breaks and chromosome aberrations in V79 BRCA2-mutated cells but did not affect cells in the G2 phase. We have demonstrated that SQAP induces synthetic lethality in BRCA2-deficient Chinese hamster-derived cells via its effects on poly(ADP-ribose) metabolism, motivating further examination of its therapeutic potential, especially against tumors that are deficient in homologous recombination repair due to mutations in BRCA2 or other genes.
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Affiliation(s)
- Junko Maeda
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA
| | - Kaitlyn D Shellenberger
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA
| | - Wataru Kurihara
- M.T.3 (Malignant Tumor Treatment Technologies) Inc, Tokyo, Japan
| | - Tomohiro Haga
- M.T.3 (Malignant Tumor Treatment Technologies) Inc, Tokyo, Japan; M.T.3USA, Denver, CO, USA
| | - Takamitsu A Kato
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA.
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4
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Jin N, Xia Y, Gao Q. Combined PARP inhibitors and small molecular inhibitors in solid tumor treatment (Review). Int J Oncol 2023; 62:28. [PMID: 36601757 PMCID: PMC9851129 DOI: 10.3892/ijo.2023.5476] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 09/23/2022] [Indexed: 01/05/2023] Open
Abstract
With the development of precision medicine, targeted therapy has attracted extensive attention. Poly(ADP‑ribose) polymerase inhibitors (PARPi) are critical clinical drugs designed to induce cell death and are major antitumor targeted agents. However, preclinical and clinical data have revealed the limitations of PARPi monotherapy. Therefore, their combination with other targeted drugs has become a research hotspot in tumor treatment. Recent studies have demonstrated the critical role of small molecular inhibitors in multiple haematological cancers and solid tumors via cellular signalling modulation, exhibiting potential as a combined pharmacotherapy. In the present review, studies focused on small molecular inhibitors targeting the homologous recombination pathway were summarized and clinical trials evaluating the safety and efficacy of combined treatment were discussed.
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Affiliation(s)
- Ning Jin
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yu Xia
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China,Correspondence to: Professor Qinglei Gao or Professor Yu Xia, Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei 430000, P.R. China, E-mail: , E-mail:
| | - Qinglei Gao
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China,Correspondence to: Professor Qinglei Gao or Professor Yu Xia, Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei 430000, P.R. China, E-mail: , E-mail:
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5
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The FOXO family of transcription factors: key molecular players in gastric cancer. J Mol Med (Berl) 2022; 100:997-1015. [PMID: 35680690 DOI: 10.1007/s00109-022-02219-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/19/2022] [Accepted: 06/01/2022] [Indexed: 10/18/2022]
Abstract
Gastric cancer (GC) is the fifth most frequently diagnosed cancer worldwide and the third leading cause of cancer-related death with an oncological origin. Despite its decline in incidence and mortality in recent years, GC remains a global public problem that seriously threatens patients' health and lives. The forkhead box O proteins (FOXOs) are a family of evolutionarily conserved transcription factors (TFs) with crucial roles in cell fate decisions. In mammals, the FOXO family consists of four members FOXO1, 3a, 4, and 6. FOXOs play crucial roles in a variety of biological processes, such as development, metabolism, and stem cell maintenance, by regulating the expression of their target genes in space and time. An accumulating amount of evidence has shown that the dysregulation of FOXOs is involved in GC progression by affecting multiple cellular processes, including proliferation, apoptosis, invasion, metastasis, cell cycle progression, carcinogenesis, and resistance to chemotherapeutic drugs. In this review, we systematically summarize the recent findings on the regulatory mechanisms of FOXO family expression and activity and elucidate its roles in GC progression. Moreover, we also highlight the clinical implications of FOXOs in GC treatment.
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6
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Wang C, Tu X, Jiang Y, Jiao P, Deng X, Xie Y, Zhang L. Prognostic value of high FOXO3a expression in patients with solid tumors: A meta-analysis and systematic review. Int J Biol Markers 2022; 37:210-217. [PMID: 35484793 DOI: 10.1177/03936155221095879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND FOXO3a (previously termed FKHRL1), plays an evolutionarily conserved role in the control of biological process, including DNA damage, apoptosis, and cell cycle regulation. However, the role of FOXO3a in tumors remains controversial. This meta-analysis was conducted to evaluate the prognostic value of FOXO3a expression in patients with solid tumors. METHODS A systematic literature search of the PubMed, Web of Science, Embase, and Cochrane Library databases was performed. Eligible publications on FOXO3a and cancer prognosis were collected and screened according to the eligibility criteria. The combined odds ratios (ORs) or hazard ratios (HRs) with corresponding 95% confidence intervals (CIs) were used to assess the prognostic value of FOXO3a. Stata 12.0 software was used for statistical analysis. RESULTS A total of 4058 patients from 21 articles on a variety of solid tumors were included. Meta-analysis showed that the increased FOXO3a expression level was associated with longer overall survival (HR = 0.62; 95% CI: 0.46-0.85). The pooled ORs indicated high expression level of FOXO3a in tumors was significantly associated with lymph node metastasis (OR = 0.46; 95% CI: 0.30-0.71), TNM stage (OR = 0.37; 95% CI: 0.25-0.54), tumor differentiation (OR = 0.46; 95% CI: 0.26-0.80), distant metastasis (OR = 0.44; 95% CI: 0.32-0.61), and age (OR = 1.28; 95% CI: 1.08-1.51). However, we did not observe a significant correlation between the high expression of FOXO3a and sex or tumor size. CONCLUSIONS The high expression level of FOXO3a was associated with better clinical outcomes in solid tumors. FOXO3a may therefore serve as a potential prognostic biomarker and a promising molecular target.
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Affiliation(s)
- Chao Wang
- Hepatic Surgery Center, Institute of Hepato-pancreato-biliary Surgery, Department of Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohong Tu
- Department of Physical Education, Ganzhou Teachers College, Ganzhou, China
| | - Yufen Jiang
- Department of Gastroenterology, Kezhou People's Hospital, Atushi, China
| | - Panpan Jiao
- Hospital Infection Management Office, Binzhou People's Hospital, Binzhou, China
| | - Xiaohong Deng
- Department of Hepatopancreatobiliary Surgery, Ganzhou People's Hospital of Jiangxi Province (Ganzhou Hospital Affiliated to Nanchang University), Ganzhou, China
| | - Yuancai Xie
- Department of Hepatopancreatobiliary Surgery, Ganzhou People's Hospital of Jiangxi Province (Ganzhou Hospital Affiliated to Nanchang University), Ganzhou, China
| | - Long Zhang
- Department of Hepatopancreatobiliary Surgery, Ganzhou People's Hospital of Jiangxi Province (Ganzhou Hospital Affiliated to Nanchang University), Ganzhou, China
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7
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Mechanism of N-Methyl-N-Nitroso-Urea-Induced Gastric Precancerous Lesions in Mice. JOURNAL OF ONCOLOGY 2022; 2022:3780854. [PMID: 35342404 PMCID: PMC8942688 DOI: 10.1155/2022/3780854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/25/2022] [Accepted: 03/02/2022] [Indexed: 11/17/2022]
Abstract
Early diagnosis and treatment of gastric precancerous lesions (GPL) are key factors for reducing the incidence and morbidity of gastric cancer. The study is aimed at examining GPL in mice induced by N-methyl-N-nitroso-urea (MNU) and to illustrate the underlying mechanisms of tumorigenesis. In this study, we utilized an in vivo MNU-induced GPL mouse model, and histopathological changes of the gastric mucosa were observed by hematoxylin and eosin (H&E-stain) and alcian blue (AB-PAS-stain). The level of miR-194-5p in the gastric mucosa was determined by real-time polymerase chain reaction. We used transmission electron microscopy to observe the effects of MNU on gastric chief cells and parietal cells. We performed immunohistochemical detection of HIF-1α, vWF, Ki-67, and P53, while the changes in the protein expression of key genes in LKB1-AMPK and AKT-FoxO3 signaling pathways were detected by western blot analysis. We demonstrated that the miR-194-5p expression was upregulated under hypoxia in GPL gastric tissues, and that a high miR-194-5p expression level closely related with tumorigenesis. Mechanistically, miR-194-5p exerted the acceleration of activities related to metabolic reprogramming through LKB1-AMPK and AKT-FoxO3 pathways. Furthermore, similar to miR-194-5p, high expression levels of AMPK and AKT were also related to the metabolic reprogramming of GPL. Moreover, we revealed the correlation between the expression levels of miR-194-5p, p-AMPKα, p-AKT, and FoxO3a. These findings suggest that miR-194-5p/FoxO3 pathway is important for the reversal of metabolic reprogramming in GPL. Thus, exploring strategies to regulate the miR-194-5p/FoxO3a pathway may provide an efficient strategy for the prevention and treatment of GPL.
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8
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Du J, Xu Q, Zhao H, Jia X, Ba N, Peng F, Zhang Z. PI3K inhibitor 3-MA promotes the antiproliferative activity of esomeprazole in gastric cancer cells by downregulating EGFR via the PI3K/FOXO3a pathway. Pharmacotherapy 2022; 148:112665. [PMID: 35228068 DOI: 10.1016/j.biopha.2022.112665] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/20/2022] [Accepted: 01/24/2022] [Indexed: 12/24/2022]
Abstract
Gastric cancer is a common gastrointestinal malignancy worldwide, with a high mortality rate and poor prognosis. Esomeprazole (ESO) has been shown to have anticancer activity by affecting cell growth and autophagy and its mechanism in gastric cancer cells is evident. The PI3K/AKT/FOXO3a pathway is central in cancers. 3-Methyladenine (3-MA), a dual inhibitor of PI3K and autophagy, plays a synergistic role in combination with antitumor agents. In this study, we assessed the role of ESO on the PI3K/AKT/FOXO3a pathway and the beneficial effects of ESO combined with 3-MA in gastric cancer cells. Cell viability, proliferation, invasion, migration, apoptosis, autophagy, and protein expression were detected by CCK-8, EdU, Transwell, flow cytometry, immunofluorescence assay, and western blot. ESO decreased cell viability in a concentration- and time-dependent manner and increased autophagy with upregulation of LC3II and P62. Additionally, ESO inhibited the proliferation, migration, and invasion and induced the apoptosis of gastric cancer cells in a concentration-dependent manner. ESO inhibited PI3K/AKT/FOXO3a signaling and EGFR and SKP2 expression concentration-dependent. 3-MA enhanced the antiproliferative activity of ESO and synergistically inhibited PI3K/FOXO3a signaling and the expression of EGFR but not SKP2. Furthermore, pretreatment with the EGFR inhibitor AG1478 enhanced the antiproliferative activity of ESO in gastric cancer cells. In conclusion, our results suggested that the PI3K inhibitor 3-MA promotes the antiproliferative activity of ESO in gastric cancer cells by synergistically downregulating EGFR via the PI3K/FOXO3a pathway.
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Affiliation(s)
- Jinfeng Du
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Qian Xu
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Han Zhao
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Xiyun Jia
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Nan Ba
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Fanghui Peng
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China
| | - Zisen Zhang
- Department of Oncology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, PR China.
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9
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Huang YH, Yin SJ, Gong YY, Li ZR, Yang Q, Fan YX, Zhou T, Meng R, Wang P, He GH. PARP1 as a prognostic biomarker for human cancers: a meta-analysis. Biomark Med 2021; 15:1563-1578. [PMID: 34651514 DOI: 10.2217/bmm-2020-0891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Aim: A comprehensive meta-analysis was carried out to evaluate the association between high PARP1 expression and clinical outcomes in diverse types of cancers. Materials & methods: The electronic databases for all articles about PARP1 expression and cancers were searched. Additionally, bioinformatics analysis was utilized to validate the results of the meta-analysis. Results: Fifty-two studies with a total of 7140 patients were included in the current meta-analysis. High PARP1 expression was found to be significantly associated with poor overall survival and recurrence in various cancers, which were further strengthened and complemented by the results of bioinformatic analysis. Furthermore, increased PAPR1 expression was also related to clinicopathological features. Conclusion: Our findings confirmed that PARP1 might be a promising biomarker for prognosis in human cancers.
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Affiliation(s)
- Yan-Hua Huang
- Research Center of Clinical Pharmacology, Yunnan Provincial Hospital of Traditional Chinese Medicine, 120 Guanghua Rd, Kunming, 650032, China.,Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Sun-Jun Yin
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Yuan-Yuan Gong
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Zhi-Ran Li
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Qin Yang
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Yu-Xin Fan
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Tao Zhou
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Rui Meng
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Ping Wang
- Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
| | - Gong-Hao He
- Research Center of Clinical Pharmacology, Yunnan Provincial Hospital of Traditional Chinese Medicine, 120 Guanghua Rd, Kunming, 650032, China.,Department of Pharmacy, 920th Hospital of Joint Logistics Support Force, 212 Daguan Rd, Kunming, 650032, China
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10
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Chen YH, Li CL, Chen WJ, Liu J, Wu HT. Diverse roles of FOXO family members in gastric cancer. World J Gastrointest Oncol 2021; 13:1367-1382. [PMID: 34721771 PMCID: PMC8529928 DOI: 10.4251/wjgo.v13.i10.1367] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/06/2021] [Accepted: 08/13/2021] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer (GC) is the fifth most diagnosed cancer and the third leading cause of cancer-related death worldwide. Although progress has been made in diagnosis, surgical resection, systemic chemotherapy, and immunotherapy, patients with GC still have a poor prognosis. The overall 5-year survival rate in patients with advanced GC is less than 5%. The FOXO subfamily, of the forkhead box family of transcription factors, consists of four members, FOXO1, FOXO3, FOXO4, and FOXO6. This subfamily plays an important role in many cellular processes, such as cell cycle, cell growth, apoptosis, autophagy, stress resistance, protection from aggregate toxicity, DNA repair, tumor suppression, and metabolism, in both normal tissue and malignant tumors. Various studies support a role for FOXOs as tumor suppressors based on their ability to inhibit angiogenesis and metastasis, and promote apoptosis, yet several other studies have shown that FOXOs might also promote tumor progression in certain circumstances. To elucidate the diverse roles of FOXOs in GC, this article systematically reviews the cellular functions of FOXOs in GC to determine potential therapeutic targets and treatment strategies for patients with GC.
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Affiliation(s)
- Yu-Han Chen
- Department of Clinical Medicine, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Chun-Lan Li
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wen-Jia Chen
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jing Liu
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Hua-Tao Wu
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
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11
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Therapeutic Potential of PARP Inhibitors in the Treatment of Gastrointestinal Cancers. Biomedicines 2021; 9:biomedicines9081024. [PMID: 34440228 PMCID: PMC8392860 DOI: 10.3390/biomedicines9081024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/05/2021] [Accepted: 08/10/2021] [Indexed: 12/20/2022] Open
Abstract
Gastrointestinal (GI) malignancies are a major global health burden, with high mortality rates. The identification of novel therapeutic strategies is crucial to improve treatment and survival of patients. The poly (ADP-ribose) polymerase (PARP) enzymes involved in the DNA damage response (DDR) play major roles in the development, progression and treatment response of cancer, with PARP inhibitors (PARPi) currently used in the clinic for breast, ovarian, fallopian, primary peritoneal, pancreatic and prostate cancers with deficiencies in homologous recombination (HR) DNA repair. This article examines the current evidence for the role of the DDR PARP enzymes (PARP1, 2, 3 and 4) in the development, progression and treatment response of GI cancers. Furthermore, we discuss the role of HR status as a predictive biomarker of PARPi efficacy in GI cancer patients and examine the pre-clinical and clinical evidence for PARPi and cytotoxic therapy combination strategies in GI cancer. We also include an analysis of the genomic and transcriptomic landscape of the DDR PARP genes and key HR genes (BRCA1, BRCA2, ATM, RAD51, MRE11, PALB2) in GI patient tumours (n = 1744) using publicly available datasets to identify patients that may benefit from PARPi therapeutic approaches.
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12
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Ding L, Zhang Z, Zhao C, Chen L, Chen Z, Zhang J, Liu Y, Nie Y, He Y, Liao K, Zhang X. Ribosomal L1 domain-containing protein 1 coordinates with HDM2 to negatively regulate p53 in human colorectal Cancer cells. J Exp Clin Cancer Res 2021; 40:245. [PMID: 34362424 PMCID: PMC8344204 DOI: 10.1186/s13046-021-02057-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/31/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ribosomal L1 domain-containing protein 1 (RSL1D1) is a nucleolar protein that is essential in cell proliferation. In the current opinion, RSL1D1 translocates to the nucleoplasm under nucleolar stress and inhibits the E3 ligase activity of HDM2 via direct interaction, thereby leading to stabilization of p53. METHODS Gene knockdown was achieved in HCT116p53+/+, HCT116p53-/-, and HCT-8 human colorectal cancer (CRC) cells by siRNA transfection. A lentiviral expression system was used to establish cell strains overexpressing genes of interest. The mRNA and protein levels in cells were evaluated by qRT-PCR and western blot analyses. Cell proliferation, cell cycle, and cell apoptosis were determined by MTT, PI staining, and Annexin V-FITC/PI double staining assays, respectively. The level of ubiquitinated p53 protein was assessed by IP. The protein-RNA interaction was investigated by RIP. The subcellular localization of proteins of interest was determined by IFA. Protein-protein interaction was investigated by GST-pulldown, BiFC, and co-IP assays. The therapeutic efficacy of RSL1D1 silencing on tumor growth was evaluated in HCT116 tumor-bearing nude mice. RESULTS RSL1D1 distributed throughout the nucleus in human CRC cells. Silencing of RSL1D1 gene induced cell cycle arrest at G1/S and cell apoptosis in a p53-dependent manner. RSL1D1 directly interacted with and recruited p53 to HDM2 to form a ternary RSL1D1/HDM2/p53 protein complex and thereby enhanced p53 ubiquitination and degradation, leading to a decrease in the protein level of p53. Destruction of the ternary complex increased the level of p53 protein. RSL1D1 also indirectly decreased the protein level of p53 by stabilizing HDM2 mRNA. Consequently, the negative regulation of p53 by RSL1D1 facilitated cell proliferation and survival and downregulation of RSL1D1 remarkably inhibited the growth of HCT116p53+/+ tumors in a nude mouse model. CONCLUSION We report, for the first time, that RSL1D1 is a novel negative regulator of p53 in human CRC cells and more importantly, a potential molecular target for anticancer drug development.
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Affiliation(s)
- Li Ding
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Zhiping Zhang
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Chenhong Zhao
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Lei Chen
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Zhiqiang Chen
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Jie Zhang
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Yaxian Liu
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Yesen Nie
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Yanzhi He
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Kai Liao
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Xinyue Zhang
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China. .,Joint International Research Laboratory of Agriculture & Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, Jiangsu, China. .,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture of China, Yangzhou University (26116120), Yangzhou, 225009, Jiangsu, China. .,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China.
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13
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Wang Y, Zheng K, Huang Y, Xiong H, Su J, Chen R, Zou Y. PARP inhibitors in gastric cancer: beacon of hope. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:211. [PMID: 34167572 PMCID: PMC8228511 DOI: 10.1186/s13046-021-02005-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 06/03/2021] [Indexed: 12/14/2022]
Abstract
Defects in the DNA damage response (DDR) can lead to genome instability, producing mutations or aberrations that promote the development and progression of cancer. But it also confers such cells vulnerable to cell death when they inhibit DNA damage repair. Poly (ADP-ribose) polymerase (PARP) plays a central role in many cellular processes, including DNA repair, replication, and transcription. PARP induces the occurrence of poly (ADP-ribosylation) (PARylation) when DNA single strand breaks (SSB) occur. PARP and various proteins can interact directly or indirectly through PARylation to regulate DNA repair. Inhibitors that directly target PARP have been found to block the SSB repair pathway, triggering homologous recombination deficiency (HRD) cancers to form synthetic lethal concepts that represent an anticancer strategy. It has therefore been investigated in many cancer types for more effective anti-cancer strategies, including gastric cancer (GC). This review describes the antitumor mechanisms of PARP inhibitors (PARPis), and the preclinical and clinical progress of PARPis as monotherapy and combination therapy in GC.
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Affiliation(s)
- Yali Wang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Kun Zheng
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Yongbiao Huang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Hua Xiong
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Jinfang Su
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Rui Chen
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China
| | - Yanmei Zou
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Road, Wuhan, 430030, Hubei, China.
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14
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Koustas E, Karamouzis MV, Sarantis P, Schizas D, Papavassiliou AG. Inhibition of c-MET increases the antitumour activity of PARP inhibitors in gastric cancer models. J Cell Mol Med 2020; 24:10420-10431. [PMID: 32686903 PMCID: PMC7521333 DOI: 10.1111/jcmm.15655] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 02/05/2023] Open
Abstract
Gastric cancer is the fifth most common malignancy and the third leading cause of cancer‐related death worldwide. Activation of c‐MET increases tumour cell survival through the initiation of the DNA damage repair pathway. PARP is an essential key in the DNA damage repair pathway. The primary role of PARP is to detect and initiate an immediate cellular response to single‐strand DNA breaks. Tumours suppressor genes such as BRCA1/2 are closely associated with the DNA repair pathway. In BRCA1/2 mutations or deficiency status, cells are more likely to develop additional genetic alterations and chromosomal instability and can lead to cancer. In this study, we investigate the role of c‐MET and PARP inhibition in a gastric cancer model. We exploited functional in vitro and in vivo experiments to assess the antitumour potential of co‐inhibition of c‐MET (SU11274) and PARP (NU1025). This leads to a reduction of gastric cancer cells viability, especially after knockdown of BRCA1/2 through apoptosis and induction of γ‐Η2ΑΧ. Moreover, in AGS xenograft models, the combinatorial treatment of NU1025 plus SU11274 reduced tumour growth and triggers apoptosis. Collectively, our data may represent a new therapeutic approach for GC thought co‐inhibition of c‐MET and PARP, especially for patients with BRCA1/2 deficiency tumours.
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Affiliation(s)
- Evangelos Koustas
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Michalis V Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,First Department of Internal Medicine, 'Laiko' General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Sarantis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Schizas
- First Department of Surgery, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanasios G Papavassiliou
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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15
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Abstract
In this review, Slade provides an overview of the molecular mechanisms and cellular consequences of PARP and PARG inhibition. The author also highlights the clinical performance of four PARP inhibitors used in cancer therapy (olaparib, rucaparib, niraparib, and talazoparib) and discusses the predictive biomarkers of inhibitor sensitivity and mechanisms of resistance as well as the means of overcoming them through combination therapy. Oxidative and replication stress underlie genomic instability of cancer cells. Amplifying genomic instability through radiotherapy and chemotherapy has been a powerful but nonselective means of killing cancer cells. Precision medicine has revolutionized cancer therapy by putting forth the concept of selective targeting of cancer cells. Poly(ADP-ribose) polymerase (PARP) inhibitors represent a successful example of precision medicine as the first drugs targeting DNA damage response to have entered the clinic. PARP inhibitors act through synthetic lethality with mutations in DNA repair genes and were approved for the treatment of BRCA mutated ovarian and breast cancer. PARP inhibitors destabilize replication forks through PARP DNA entrapment and induce cell death through replication stress-induced mitotic catastrophe. Inhibitors of poly(ADP-ribose) glycohydrolase (PARG) exploit and exacerbate replication deficiencies of cancer cells and may complement PARP inhibitors in targeting a broad range of cancer types with different sources of genomic instability. Here I provide an overview of the molecular mechanisms and cellular consequences of PARP and PARG inhibition. I highlight clinical performance of four PARP inhibitors used in cancer therapy (olaparib, rucaparib, niraparib, and talazoparib) and discuss the predictive biomarkers of inhibitor sensitivity, mechanisms of resistance as well as the means of overcoming them through combination therapy.
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Affiliation(s)
- Dea Slade
- Department of Biochemistry, Max Perutz Labs, Vienna Biocenter (VBC), University of Vienna, 1030 Vienna, Austria
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16
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Pazzaglia S, Pioli C. Multifaceted Role of PARP-1 in DNA Repair and Inflammation: Pathological and Therapeutic Implications in Cancer and Non-Cancer Diseases. Cells 2019; 9:cells9010041. [PMID: 31877876 PMCID: PMC7017201 DOI: 10.3390/cells9010041] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 12/12/2022] Open
Abstract
PARP-1 (poly(ADP-ribose)-polymerase 1), mainly known for its protective role in DNA repair, also regulates inflammatory processes. Notably, defects in DNA repair and chronic inflammation may both predispose to cancer development. On the other hand, inhibition of DNA repair and inflammatory responses can be beneficial in cancer therapy and PARP inhibitors are currently used for their lethal effects on tumor cells. Furthermore, excess of PARP-1 activity has been associated with many tumors and inflammation-related clinical conditions, including asthma, sepsis, arthritis, atherosclerosis, and neurodegenerative diseases, to name a few. Activation and inhibition of PARP represent, therefore, a double-edged sword that can be exploited for therapeutic purposes. In our review, we will discuss recent findings highlighting the composite multifaceted role of PARP-1 in cancer and inflammation-related diseases.
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Affiliation(s)
- Simonetta Pazzaglia
- Correspondence: (S.P.); (C.P.); Tel.: +39-06-3048-6535 (S.P.); +39-06-3048-3398 (C.P.)
| | - Claudio Pioli
- Correspondence: (S.P.); (C.P.); Tel.: +39-06-3048-6535 (S.P.); +39-06-3048-3398 (C.P.)
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17
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Li M, Wang Y, Liu X, Zhang Z, Wang L, Li Y. miR-629 targets FOXO3 to promote cell apoptosis in gastric cancer. Exp Ther Med 2019; 19:294-300. [PMID: 31853302 PMCID: PMC6909679 DOI: 10.3892/etm.2019.8168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 11/01/2019] [Indexed: 12/17/2022] Open
Abstract
Gastric cancer (GC) is one of the most aggressive types of human tumor worldwide, and the 5-year survival rate is less than 25%. The transcriptional factor, forkhead box O3 (FOXO3), is regulated by various micro (mi)RNAs and has been reported to be associated with multiple regulatory signaling pathways involved in tumor development. The current study therefore assessed the impact of miR-629 and FOXO3 on gastric cancer. Reverse transcription-quantitative polymerase chain reaction and western blotting were performed to assess the expression of mRNA and protein, respectively. Additionally, the cell proliferation and apoptosis rate were determined via an MTT assay and flow cytometry, respectively. The online database TargetScan predicted that FOXO3 was a target of miR-629. A luciferase reporter assay was also performed to verify that FOXO3 was the direct target of miR-629. The results demonstrated that miR-629 and FOXO3 was upregulated and downregulated in GC tissue, respectively. Furthermore, following transfection with a miR-629 inhibitor, SGC-7901, cell proliferation and apoptosis rate were inhibited and promoted when compared with the control group, respectively. Moreover, after the treatment with SGC-7901, the expression of FOXO3, Bax, Caspase 3 was upregulated, and Bcl-2 was downregulated. Furthermore, the luciferase reporter assay revealed that FOXO3 was the target of miR-629. The results demonstrated that miR-629 and FOXO3 serve vital roles in the development of gastric cancer and may be a future therapeutic target.
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Affiliation(s)
- Ming Li
- Department of General Surgery, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Department of General Surgery, The First Hospital of Shijiazhuang City, Shijiazhuang, Hebei 050011, P.R. China
| | - Yingxin Wang
- Department of General Surgery, The First Hospital of Shijiazhuang City, Shijiazhuang, Hebei 050011, P.R. China
| | - Xia Liu
- Department of Forensic Pathology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Zhenduo Zhang
- Department of General Surgery, The First Hospital of Shijiazhuang City, Shijiazhuang, Hebei 050011, P.R. China
| | - Liwei Wang
- Department of General Surgery, The First Hospital of Shijiazhuang City, Shijiazhuang, Hebei 050011, P.R. China
| | - Yong Li
- Department of General Surgery, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
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18
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Zhou Z, Zhang H, Deng T, Ning T, Liu R, Liu D, Bai M, Ying G, Ba Y. Exosomes Carrying MicroRNA-155 Target Forkhead Box O3 of Endothelial Cells and Promote Angiogenesis in Gastric Cancer. MOLECULAR THERAPY-ONCOLYTICS 2019; 15:223-233. [PMID: 31828217 PMCID: PMC6889542 DOI: 10.1016/j.omto.2019.10.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 10/22/2019] [Indexed: 02/07/2023]
Abstract
Gastric cancer (GC) has a poor prognosis due to its relentless proliferation and metastasis. One of the reasons for this plight is the formidable angiogenesis ability of GC. Considering the important role of cancer exosomes as carriers and communicators in the tumor microenvironment, we explored the role of exosome-microRNA (miRNA) in regulating angiogenesis. Western blotting and quantitative real-time PCR were used to measure the protein and mRNA levels of the miRNA target gene. To detect changes in cellular biological functions, we pretreated human umbilical vein endothelial cells (HUVECs) that were severally cocultured with GC-derived exosomes and transfected them with different miRNAs directly. Also, we used the mouse xenograft model to verify the effect of miR-155 on angiogenesis of GC tissues in vivo. Our study confirmed that miR-155, as a driver of angiogenesis, encapsulated by exosomes from GC can enhance the generation of new vessels for GC in vitro through inhibiting the expression of Forkhead box O3 (FOXO3a) protein, which led to the progression of GC. Therefore, miR-155 is probable to become a potential biomarker for the detection of migration and angiogenesis of GC, and serves as a novel target for anti-angiogenesis therapy.
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Affiliation(s)
- Zhengyang Zhou
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Haiyang Zhang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Ting Deng
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Tao Ning
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Rui Liu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Dongying Liu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Ming Bai
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Guoguang Ying
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
| | - Yi Ba
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
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19
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Fleury H, Malaquin N, Tu V, Gilbert S, Martinez A, Olivier MA, Sauriol A, Communal L, Leclerc-Desaulniers K, Carmona E, Provencher D, Mes-Masson AM, Rodier F. Exploiting interconnected synthetic lethal interactions between PARP inhibition and cancer cell reversible senescence. Nat Commun 2019. [PMID: 31186408 DOI: 10.1038/s41467-019-10460-1] [] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Senescence is a tumor suppression mechanism defined by stable proliferation arrest. Here we demonstrate that the known synthetic lethal interaction between poly(ADP-ribose) polymerase 1 inhibitors (PARPi) and DNA repair triggers p53-independent ovarian cancer cell senescence defined by senescence-associated phenotypic hallmarks including DNA-SCARS, inflammatory secretome, Bcl-XL-mediated apoptosis resistance, and proliferation restriction via Chk2 and p21 (CDKN1A). The concept of senescence as irreversible remains controversial and here we show that PARPi-senescent cells re-initiate proliferation upon drug withdrawal, potentially explaining the requirement for sustained PARPi therapy in the clinic. Importantly, PARPi-induced senescence renders ovarian and breast cancer cells transiently susceptible to second-phase synthetic lethal approaches targeting the senescence state using senolytic drugs. The combination of PARPi and a senolytic is effective in preclinical models of ovarian and breast cancer suggesting that coupling these synthetic lethalities provides a rational approach to their clinical use and may together be more effective in limiting resistance.
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Affiliation(s)
- Hubert Fleury
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Nicolas Malaquin
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Véronique Tu
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Sophie Gilbert
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Aurélie Martinez
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Marc-Alexandre Olivier
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Alexandre Sauriol
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Laudine Communal
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Kim Leclerc-Desaulniers
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Euridice Carmona
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Diane Provencher
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada.,Division of Gynecologic Oncology, Université de Montréal, Montreal, H3C 3J7, QC, Canada
| | - Anne-Marie Mes-Masson
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada. .,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada. .,Department of Medicine, Université de Montréal, Montreal, H3C 3J7, QC, Canada.
| | - Francis Rodier
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada. .,Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada. .,Department of Radiology, Radio-Oncology and Nuclear Medicine, Université de Montréal, Montreal, H3C 3J7, QC, Canada.
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20
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Fleury H, Malaquin N, Tu V, Gilbert S, Martinez A, Olivier MA, Sauriol SA, Communal L, Leclerc-Desaulniers K, Carmona E, Provencher D, Mes-Masson AM, Rodier F. Exploiting interconnected synthetic lethal interactions between PARP inhibition and cancer cell reversible senescence. Nat Commun 2019; 10:2556. [PMID: 31186408 PMCID: PMC6560032 DOI: 10.1038/s41467-019-10460-1] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 05/09/2019] [Indexed: 12/19/2022] Open
Abstract
Senescence is a tumor suppression mechanism defined by stable proliferation arrest. Here we demonstrate that the known synthetic lethal interaction between poly(ADP-ribose) polymerase 1 inhibitors (PARPi) and DNA repair triggers p53-independent ovarian cancer cell senescence defined by senescence-associated phenotypic hallmarks including DNA-SCARS, inflammatory secretome, Bcl-XL-mediated apoptosis resistance, and proliferation restriction via Chk2 and p21 (CDKN1A). The concept of senescence as irreversible remains controversial and here we show that PARPi-senescent cells re-initiate proliferation upon drug withdrawal, potentially explaining the requirement for sustained PARPi therapy in the clinic. Importantly, PARPi-induced senescence renders ovarian and breast cancer cells transiently susceptible to second-phase synthetic lethal approaches targeting the senescence state using senolytic drugs. The combination of PARPi and a senolytic is effective in preclinical models of ovarian and breast cancer suggesting that coupling these synthetic lethalities provides a rational approach to their clinical use and may together be more effective in limiting resistance.
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Affiliation(s)
- Hubert Fleury
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Nicolas Malaquin
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Véronique Tu
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Sophie Gilbert
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Aurélie Martinez
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Marc-Alexandre Olivier
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Skye Alexandre Sauriol
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Laudine Communal
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Kim Leclerc-Desaulniers
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Euridice Carmona
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
| | - Diane Provencher
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada
- Division of Gynecologic Oncology, Université de Montréal, Montreal, H3C 3J7, QC, Canada
| | - Anne-Marie Mes-Masson
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada.
- Department of Medicine, Université de Montréal, Montreal, H3C 3J7, QC, Canada.
| | - Francis Rodier
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, H2X 0A9, QC, Canada.
- Institut du cancer de Montréal, Montreal, H2X 0A9, QC, Canada.
- Department of Radiology, Radio-Oncology and Nuclear Medicine, Université de Montréal, Montreal, H3C 3J7, QC, Canada.
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21
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Exploiting interconnected synthetic lethal interactions between PARP inhibition and cancer cell reversible senescence. Nat Commun 2019. [PMID: 31186408 DOI: 10.1038/s41467-019-10460-1]+[] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Senescence is a tumor suppression mechanism defined by stable proliferation arrest. Here we demonstrate that the known synthetic lethal interaction between poly(ADP-ribose) polymerase 1 inhibitors (PARPi) and DNA repair triggers p53-independent ovarian cancer cell senescence defined by senescence-associated phenotypic hallmarks including DNA-SCARS, inflammatory secretome, Bcl-XL-mediated apoptosis resistance, and proliferation restriction via Chk2 and p21 (CDKN1A). The concept of senescence as irreversible remains controversial and here we show that PARPi-senescent cells re-initiate proliferation upon drug withdrawal, potentially explaining the requirement for sustained PARPi therapy in the clinic. Importantly, PARPi-induced senescence renders ovarian and breast cancer cells transiently susceptible to second-phase synthetic lethal approaches targeting the senescence state using senolytic drugs. The combination of PARPi and a senolytic is effective in preclinical models of ovarian and breast cancer suggesting that coupling these synthetic lethalities provides a rational approach to their clinical use and may together be more effective in limiting resistance.
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22
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Lee CM, Lee J, Nam MJ, Choi YS, Park SH. Tomentosin Displays Anti-Carcinogenic Effect in Human Osteosarcoma MG-63 Cells via the Induction of Intracellular Reactive Oxygen Species. Int J Mol Sci 2019; 20:ijms20061508. [PMID: 30917517 PMCID: PMC6471964 DOI: 10.3390/ijms20061508] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/19/2019] [Accepted: 03/22/2019] [Indexed: 12/11/2022] Open
Abstract
Tomentosin is a natural sesquiterpene lactone extracted from various plants and is widely used as a medicine because it exhibits essential therapeutic properties. In this study, we investigated the anti-carcinogenic effects of tomentosin in human osteosarcoma MG-63 cells by performing cell migration/viability/proliferation, apoptosis, and reactive oxygen species (ROS) analysis assays. MG-63 cells were treated with various doses of tomentosin. After treatment with tomentosin, MG-63 cells were analyzed using the MTT assay, colony formation assay, cell counting assay, wound healing assay, Boyden chamber assay, zymography assay, cell cycle analysis, FITC Annexin V apoptosis assay, terminal deoxynucleotidyl transferase dUTP nick end labeling assay, western blot analysis, and ROS detection analysis. Our results indicated that tomentosin decreased cell viability and migration ability in MG-63 cells. Moreover, tomentosin induced apoptosis, cell cycle arrest, DNA damage, and ROS production in MG-63 cells. Furthermore, tomentosin-induced intracellular ROS decreased cell viability and induced apoptosis, cell cycle arrest, and DNA damage in MG-63 cells. Taken together, our results suggested that tomentosin exerted anti-carcinogenic effects in MG-63 cells by induction of intracellular ROS.
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Affiliation(s)
- Chang Min Lee
- Department of Biological Science, Gachon University, Seongnam 13120, Korea.
| | - Jongsung Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea.
| | - Myeong Jin Nam
- Department of Biological Science, Gachon University, Seongnam 13120, Korea.
| | - Youn Soo Choi
- Department of Biomedical Sciences, Seoul National University Graduate School, Department of Medicine, College of Medicine, Seoul National University, Seoul 03080, Korea.
| | - See-Hyoung Park
- Department of Bio and Chemical Engineering, Hongik University, Sejong 30016, Korea.
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23
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Pang X, Zhou Z, Yu Z, Han L, Lin Z, Ao X, Liu C, He Y, Ponnusamy M, Li P, Wang J. Foxo3a-dependent miR-633 regulates chemotherapeutic sensitivity in gastric cancer by targeting Fas-associated death domain. RNA Biol 2019; 16:233-248. [PMID: 30628514 DOI: 10.1080/15476286.2019.1565665] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The development of chemotherapeutic drugs resistance such as doxorubicin (DOX) and cisplatin (DDP) is the major barrier in gastric cancer therapy. Emerging evidences reveal that microRNAs (miRNAs) contribute to chemosensitivity. In this study, we investigated the role of miR-633, an oncogenic miRNA, in gastric cancer chemoresistance. In gastric cancer tissue and cell lines, miR-633 expression was highly increased and correlated with down regulation of Fas-associated protein with death domain (FADD). Inhibition of miR-633 significantly increased FADD protein level and enhanced DOX/DDP induced apoptosis in vitro. MiR-633 antagomir administration remarkably decreased tumor growth in combination with DOX in vivo, suggesting that miR-633 targets FADD to block gastric cancer cell death. We found that the promoter region of miR-633 contained putative binding sites for forkhead box O 3 (Foxo3a), which can directly repress miR-633 transcription. In addition, we observed that DOX-induced nuclear accumulation of Foxo3a leaded to the suppression of miR-633 transcription. Together, our study revealed that miR-633/FADD axis played a significant role in the chemoresistance and Foxo3a regulated this pathway in gastric cancer. Thus, miR-633 antagomir resensitized gastric cancer cells to chemotherapy drug and had potentially therapeutic implication.
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Affiliation(s)
- Xin Pang
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
| | - Zhixia Zhou
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
| | - Zhuang Yu
- b Department of Oncology , Affiliated Hospital of Qingdao University , Qingdao , Shandong Province , China
| | - Lichun Han
- b Department of Oncology , Affiliated Hospital of Qingdao University , Qingdao , Shandong Province , China
| | - Zhijuan Lin
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China.,c Key Lab for Immunology in Universities of Shandong Province, School of Clinical Medicine , Weifang Medical University , Weifang , Shandong Province , China
| | - Xiang Ao
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
| | - Chang Liu
- d Department of Oncology , PLA Army General Hospital , Beijin , China
| | - Yuqi He
- e Department of Gastroenterology , PLA Army General Hospital , Beijin , China
| | - Murugavel Ponnusamy
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
| | - Peifeng Li
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
| | - Jianxun Wang
- a Center for Regenerative Medicine, Institute for Translational Medicine , Qingdao University , Qingdao , Shandong Province , China
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24
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Schiewer MJ, Mandigo AC, Gordon N, Huang F, Gaur S, de Leeuw R, Zhao SG, Evans J, Han S, Parsons T, Birbe R, McCue P, McNair C, Chand SN, Cendon-Florez Y, Gallagher P, McCann JJ, Poudel Neupane N, Shafi AA, Dylgjeri E, Brand LJ, Visakorpi T, Raj GV, Lallas CD, Trabulsi EJ, Gomella LG, Dicker AP, Kelly WK, Leiby BE, Knudsen B, Feng FY, Knudsen KE. PARP-1 regulates DNA repair factor availability. EMBO Mol Med 2018; 10:e8816. [PMID: 30467127 PMCID: PMC6284389 DOI: 10.15252/emmm.201708816] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 10/10/2018] [Accepted: 10/25/2018] [Indexed: 12/22/2022] Open
Abstract
PARP-1 holds major functions on chromatin, DNA damage repair and transcriptional regulation, both of which are relevant in the context of cancer. Here, unbiased transcriptional profiling revealed the downstream transcriptional profile of PARP-1 enzymatic activity. Further investigation of the PARP-1-regulated transcriptome and secondary strategies for assessing PARP-1 activity in patient tissues revealed that PARP-1 activity was unexpectedly enriched as a function of disease progression and was associated with poor outcome independent of DNA double-strand breaks, suggesting that enhanced PARP-1 activity may promote aggressive phenotypes. Mechanistic investigation revealed that active PARP-1 served to enhance E2F1 transcription factor activity, and specifically promoted E2F1-mediated induction of DNA repair factors involved in homologous recombination (HR). Conversely, PARP-1 inhibition reduced HR factor availability and thus acted to induce or enhance "BRCA-ness". These observations bring new understanding of PARP-1 function in cancer and have significant ramifications on predicting PARP-1 inhibitor function in the clinical setting.
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Affiliation(s)
- Matthew J Schiewer
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Amy C Mandigo
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Nicolas Gordon
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | | | | | - Renée de Leeuw
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Shuang G Zhao
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA
| | - Joseph Evans
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA
| | - Sumin Han
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA
| | - Theodore Parsons
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Pathology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Ruth Birbe
- Cooper University Health, Camden, NJ, USA
| | - Peter McCue
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Pathology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Christopher McNair
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Saswati N Chand
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Ylenia Cendon-Florez
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Peter Gallagher
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Jennifer J McCann
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Neermala Poudel Neupane
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Ayesha A Shafi
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Emanuela Dylgjeri
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | - Lucas J Brand
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
| | | | | | - Costas D Lallas
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Urology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Edouard J Trabulsi
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Urology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Leonard G Gomella
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Urology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Adam P Dicker
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Wm Kevin Kelly
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Benjamin E Leiby
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Pharmacology and Experimental Therapeutics, Thomas Jefferson University, Philadelphia, PA, USA
| | | | - Felix Y Feng
- Departments of Radiation Oncology, Urology, and Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Karen E Knudsen
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center Thomas Jefferson University, Philadelphia, PA, USA
- Department of Urology, Thomas Jefferson University, Philadelphia, PA, USA
- Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, PA, USA
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, USA
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25
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Lu Q, Ma X, Li Y, Song W, Zhang L, Shu Y, Wan B. Overexpression of FOXS1 in gastric cancer cell lines inhibits proliferation, metastasis, and epithelial-mesenchymal transition of tumor through downregulating wnt/β-catenin pathway. J Cell Biochem 2018; 120:2897-2907. [PMID: 30500980 DOI: 10.1002/jcb.26821] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 02/28/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND Expression of forkhead box (FOX) superfamily members has been shown to be decreased in cancer, which was linked to poor prognosis of patients. The aim of this study was to investigate the expression of a new FOX superfamily member, FOXS1, in gastric cancer, and the influence of FOXS1 overexpression on the tumorigenesis of gastric cancer cells. The underlying molecular mechanism was also investigated. MATERIALS AND METHODS FOXS1 expression levels were firstly measured in 15 paired gastric cancer and peritumor tissue using quantitative polymerase chain reaction or immunohistochemistry. Secondly, FOXS1 overexpression models were established in two gastric cancer cell lines (SNU-216 and AGS) and FOXS1 knockdown model was established in SNU-638 gastric cancer cell line. Markers for cell proliferation, metastasis, cell cycle status, and wnt/β-catenin pathway were evaluated. Influence of FOXS1 overexpression on tumorigenesis was further evaluated in xenograft model. RESULTS Expression of FOXS1 was significantly decreased in gastric cancer tissue in both messenger RNA and protein levels, compared with peritumor tissue. Our results showed that compared to cell lines transfected with negative control, gastric cancer cell lines with FOXS1 overexpression showed suppressed cell proliferation, metastasis, and increased ratio of G0/G1 phase. Xenograft model also showed suppressed tumor growth in FOXS1 overexpression group. Epithelial-mesenchymal transition was also inhibited when FOXS1 was overexpressed, which was indicated by an increase of E-cadherin expression and decrease in vimentin expression. Further investigation showed that expression of β-catenin was decreased, together with decreased expression in downstream signaling factors, c-Myc and cyclin-D1 in FOXS1 overexpression cell lines. On the other hand, knockdown of FOXS1 showed opposite trends in the changes of those markers for cell proliferation, metastasis, cell cycle status, and wnt/β-catenin pathway, compared with FOXS1 overexpression. CONCLUSION In conclusion, the present study showed that FOXS1 expression is downregulated in most GC cases in our cohort, and this loss of expression may promote cell proliferation and metastasis through upregulation of wnt/β-catenin pathway.
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Affiliation(s)
- Qiyu Lu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Xudong Ma
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Yijun Li
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Wanhong Song
- Infection Management Office, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Lingshu Zhang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Yixiong Shu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
| | - Baosheng Wan
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, People's Republic of China
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26
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Gu Z, Li Y, Yang X, Yu M, Chen Z, Zhao C, Chen L, Wang L. Overexpression of CLC-3 is regulated by XRCC5 and is a poor prognostic biomarker for gastric cancer. J Hematol Oncol 2018; 11:115. [PMID: 30217218 PMCID: PMC6137920 DOI: 10.1186/s13045-018-0660-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 08/31/2018] [Indexed: 02/07/2023] Open
Abstract
Background Recently, many potential prognostic biomarkers for gastric cancer (GC) have been identified, but the prognosis of advanced GC patients remains poor. Chloride channels are promising cancer biomarkers, and their family member chloride channel-3 (CLC-3) is involved in multiple biological behaviors. However, whether CLC-3 is a prognostic biomarker for GC patients is rarely reported. The molecular mechanisms by which CLC-3 is regulated in GC are unclear. Methods The expression of CLC-3 and XRCC5 in human specimens was analyzed using immunohistochemistry. The primary biological functions and pathways related to CLC-3 were enriched by RNA sequencing. A 5′-biotin-labeled DNA probe with a promoter region between − 248 and + 226 was synthesized to pull down CLC-3 promoter-binding proteins. Functional studies were detected by MTS, clone formation, wound scratch, transwell, and xenograft mice model. Mechanistic studies were investigated by streptavidin-agarose-mediated DNA pull-down, mass spectrometry, ChIP, dual-luciferase reporter assay system, Co-IP, and immunofluorescence. Results The results showed that CLC-3 was overexpressed in human GC tissues and that overexpression of CLC-3 was a poor prognostic biomarker for GC patients (P = 0.012). Furthermore, higher expression of CLC-3 was correlated with deeper tumor invasion (P = 0.006) and increased lymph node metastasis (P = 0.016), and knockdown of CLC-3 inhibited cell proliferation and migration in vitro. In addition, X-ray repair cross-complementing 5 (XRCC5) was identified as a CLC-3 promoter-binding protein, and both CLC-3 (HR 1.671; 95% CI 1.012–2.758; P = 0.045) and XRCC5 (HR 1.795; 95% CI 1.076–2.994; P = 0.025) were prognostic factors of overall survival in GC patients. The in vitro and in vivo results showed that the expression and function of CLC-3 were inhibited after XRCC5 knockdown, and the inhibition effects were rescued by CLC-3 overexpression. Meanwhile, the expression and function of CLC-3 were promoted after XRCC5 overexpression, and the promotion effects were reversed by the CLC-3 knockdown. The mechanistic study revealed that knockdown of XRCC5 suppressed the binding of XRCC5 to the CLC-3 promoter and subsequent promoter activity, thus regulating CLC-3 expression at the transcriptional level by interacting with PARP1. Conclusions Our findings indicate that overexpression of CLC-3 is regulated by XRCC5 and is a poor prognostic biomarker for gastric cancer. Double targeting CLC-3 and XRCC5 may provide the promising therapeutic potential for GC treatment. Electronic supplementary material The online version of this article (10.1186/s13045-018-0660-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhuoyu Gu
- Department of Pharmacology, Medical College, Jinan University, Guangzhou, 510632, China.,Department of Pathophysiology, Medical College, Jinan University, Guangzhou, China
| | - Yixin Li
- Department of Clinical Oncology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Xiaoya Yang
- Department of Pathophysiology, Medical College, Jinan University, Guangzhou, China.,Department of Physiology, Medical College, Jinan University, Guangzhou, 510632, China
| | - Meisheng Yu
- Department of Pharmacology, Medical College, Jinan University, Guangzhou, 510632, China.,Department of Pathophysiology, Medical College, Jinan University, Guangzhou, China
| | - Zhanru Chen
- Department of Physiology, Medical College, Jinan University, Guangzhou, 510632, China
| | - Chan Zhao
- Department of Physiology, Medical College, Jinan University, Guangzhou, 510632, China
| | - Lixin Chen
- Department of Pharmacology, Medical College, Jinan University, Guangzhou, 510632, China.
| | - Liwei Wang
- Department of Physiology, Medical College, Jinan University, Guangzhou, 510632, China.
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27
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De Mello RA, Castelo-Branco L, Castelo-Branco P, Pozza DH, Vermeulen L, Palacio S, Salzberg M, Lockhart AC. What Will We Expect From Novel Therapies to Esophageal and Gastric Malignancies? Am Soc Clin Oncol Educ Book 2018; 38:249-261. [PMID: 30231398 DOI: 10.1200/edbk_198805] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Esophageal cancer and gastric cancer are aggressive diseases for which treatment approaches are facing a new era. Some molecular pathways, such as VEGF, EGFR, fibroblast growth factor receptor, PIK3CA, and PARP-1, have been studied, and novel targeted drugs are presumed to be developed in the near future. From The Cancer Genome Atlas report, 80% of Epstein-Barr virus tumors and 42% of tumors with microsatellite instability have PIK3CA mutations, suggesting that this pathway could be reevaluated as a possible target for new systemic treatment of gastric cancer. Notably, higher PARP-1 expression can be found in gastric cancer, which might be related to more advanced disease and worse prognosis. In addition, PD-L1 expression, high microsatellite instability, and mismatch repair deficiency can be found in gastric cancer, thus suggesting that immunotherapy may also play a role in those patients. We discuss trends related to the potential of novel therapies for patients with esophageal and gastric cancers in the near future.
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Affiliation(s)
- Ramon Andrade De Mello
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Luis Castelo-Branco
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Pedro Castelo-Branco
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Daniel Humberto Pozza
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Louis Vermeulen
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Sofia Palacio
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - Matthew Salzberg
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
| | - A Craig Lockhart
- From the Department of Biomedical Sciences and Medicine, Division of Oncology, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Campus Gambelas, Faro, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Research Centre, Division of Medical Oncology, Hospital São Mateus, NOHC Clinic, Fortaleza, CE, Brazil; Algarve Hospital and University Center, Department of Oncology, Faro, Portugal; Portuguese Public Health School, Nova University, Lisbon, Portugal; Centre for Biomedical Research, University of Algarve, Faro, Portugal; Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; Academic Medical Center Amsterdam, Center for Experimental Molecular Medicine, Amsterdam, The Netherlands; and the Division of Medical Oncology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
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Ahn H, Kim H, Abdul R, Kim Y, Sim J, Choi D, Paik SS, Shin SJ, Kim DH, Jang K. Overexpression of Forkhead Box O3a and Its Association With Aggressive Phenotypes and Poor Prognosis in Human Hepatocellular Carcinoma. Am J Clin Pathol 2018; 149:117-127. [PMID: 29365018 DOI: 10.1093/ajcp/aqx132] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVES Recent research has demonstrated that forkhead box O3a (FoxO3a) may function as an oncogenic transcription factor. We sought to validate the clinicopathologic significance of FoxO3a expression in hepatocellular carcinoma (HCC). METHODS Western blotting and immunohistochemistry were used to determine FoxO3a expression. In vitro cell proliferation and migration assays were performed in a HepG2 cell line. RESULTS FoxO3a was overexpressed in 121 (64.71%) cases of HCC. FoxO3a overexpression was associated with aggressive phenotypes of HCC, such as histologic grade (P < .001), stage (P = .031), and small vessel invasion (P < .001). FoxO3a overexpression was also correlated with poor disease-free survival in both univariate and multivariate survival analyses (P = .001 and P = .018, respectively). Downregulation of FoxO3a in a HepG2 cell line inhibited cell proliferation and migration. CONCLUSIONS These results suggest a role for FoxO3a in HCC progression and support the potential use as a prognostic biomarker.
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Affiliation(s)
- Hyein Ahn
- Department of Pathology, Konyang University College of Medicine, Daejeon, Korea
| | - Hyunsung Kim
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Rehman Abdul
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Yesul Kim
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Jongmin Sim
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Dongho Choi
- Departments of Surgery, Hanyang University College of Medicine, Seoul, Korea
| | - Seung Sam Paik
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Su-Jin Shin
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Dong-Hoon Kim
- Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kiseok Jang
- Departments of Pathology, Hanyang University College of Medicine, Seoul, Korea
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29
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Li X, Wu Q, Bu M, Hu L, Du WW, Jiao C, Pan H, Sdiri M, Wu N, Xie Y, Yang BB. Ergosterol peroxide activates Foxo3-mediated cell death signaling by inhibiting AKT and c-Myc in human hepatocellular carcinoma cells. Oncotarget 2017; 7:33948-59. [PMID: 27058618 PMCID: PMC5085130 DOI: 10.18632/oncotarget.8608] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 03/14/2016] [Indexed: 11/25/2022] Open
Abstract
Sterols are the important active ingredients of fungal secondary metabolites to induce death of tumor cells. In our previous study, we found that ergosterol peroxide (5α, 8α-epidioxiergosta-6, 22-dien-3β-ol), purified from Ganoderma lucidum, induced human cancer cell death. Since the amount of purified ergosterol peroxide is not sufficient to perform in vivo experiments or apply clinically, we developed an approach to synthesize ergosterol peroxide chemically. After confirming the production of ergosterol peroxide, we examined the biological functions of the synthetic ergosterol peroxide. The results showed that ergosterol peroxide induced cell death and inhibited cell migration, cell cycle progression, and colony growth of human hepatocellular carcinoma cells. We further examined the mechanism associated with this effect and found that treatment with ergosterol peroxide increased the expression of Foxo3 mRNA and protein in HepG2 cells. The upstream signal proteins pAKT and c-Myc, which can inhibit Foxo3 functions, were clearly decreased in HepG2 cells treated with ergosterol peroxide. The levels of Puma and Bax, pro-apoptotic proteins, were effectively enhanced. Our results suggest that ergosterol peroxide stimulated Foxo3 activity by inhibiting pAKT and c-Myc and activating pro-apoptotic protein Puma and Bax to induce cancer cell death.
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Affiliation(s)
- Xiangmin Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, PR China.,Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Qingping Wu
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, PR China
| | - Ming Bu
- College of Life Science and Bioengineering, Beijing University of Technology, Pingleyuan, Chaoyang, Beijing, China
| | - Liming Hu
- College of Life Science and Bioengineering, Beijing University of Technology, Pingleyuan, Chaoyang, Beijing, China
| | - William W Du
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Chunwei Jiao
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, PR China.,Guangdong Yuewei Edible Fungi Technology Co. Ltd, Guangzhou, China
| | - Honghui Pan
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, PR China
| | - Mouna Sdiri
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Nan Wu
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Yizhen Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, PR China.,Guangdong Yuewei Edible Fungi Technology Co. Ltd, Guangzhou, China
| | - Burton B Yang
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada
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30
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Mihailidou C, Karamouzis MV, Schizas D, Papavassiliou AG. Co-targeting c-Met and DNA double-strand breaks (DSBs): Therapeutic strategies in BRCA-mutated gastric carcinomas. Biochimie 2017; 142:135-143. [DOI: 10.1016/j.biochi.2017.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 09/04/2017] [Indexed: 02/06/2023]
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31
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Gong C, Yang L, Zhou J, Guo X, Zhuang Z. Possible role of PAPR-1 in protecting human HaCaT cells against cytotoxicity of SiO2 nanoparticles. Toxicol Lett 2017; 280:213-221. [DOI: 10.1016/j.toxlet.2017.07.213] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 06/28/2017] [Accepted: 07/04/2017] [Indexed: 12/14/2022]
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32
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He J, Qi H, Chen F, Cao C. MicroRNA-25 contributes to cisplatin resistance in gastric cancer cells by inhibiting forkhead box O3a. Oncol Lett 2017; 14:6097-6102. [PMID: 29113252 DOI: 10.3892/ol.2017.6982] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 05/11/2017] [Indexed: 12/11/2022] Open
Abstract
Gastric cancer (GC) is a common type of malignancy worldwide, and chemotherapeutic resistance accounts for the majority of the failures in clinical treatment. MicroRNAs (miRs) are a class of small non-coding RNAs, which serve essential roles in GC. The present study aimed to investigate the potential role of miR-25 in the cisplatin sensitivity of GC cells. The expression level of miR-25 was significantly upregulated in the cisplatin-resistant GC cell line SGC-7901/DDP compared with the SGC-7901 parental cell line. Overexpression of miR-25 significantly enhanced cell cycle progression and decreased the sensitivity of SGC-7901 cells to cisplatin, whereas inhibition of miR-25 in the SGC-7901/DDP cisplatin-resistant cells resulted in cell cycle arrest at the G0/G1 phase and significantly increased drug sensitivity. Furthermore, the tumor suppressor forkhead box O3a (FOXO3a) was identified as a direct target gene of miR-25 by luciferase assay and western blot analysis, and was shown to mediate the drug-resistance phenotype of GC cells. These findings suggest that upregulation of miR-25 is important for GC cells to establish a cisplatin-resistant phenotype via a FOXO3a-dependent mechanism. Therefore, targeting miR-25 may be a promising therapeutic approach to treat patients with cisplatin-resistant GC.
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Affiliation(s)
- Jingbo He
- Department of Oncology, Xiangyang Central Hospital, Hubei University of Arts and Science, Xiangyang, Hubei 441021, P.R. China
| | - Huixiong Qi
- Department of Oncology, Xiangyang Central Hospital, Hubei University of Arts and Science, Xiangyang, Hubei 441021, P.R. China
| | - Fang Chen
- Department of Gerontology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Chuanhua Cao
- Department of Oncology, Xiangyang Central Hospital, Hubei University of Arts and Science, Xiangyang, Hubei 441021, P.R. China
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33
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Yamamoto M, Yamasaki M, Tsukao Y, Tanaka K, Miyazaki Y, Makino T, Takahashi T, Kurokawa Y, Nakajima K, Takiguchi S, Mori M, Doki Y. Poly (ADP-ribose) polymerase-1 inhibition decreases proliferation through G2/M arrest in esophageal squamous cell carcinoma. Oncol Lett 2017; 14:1581-1587. [PMID: 28789382 PMCID: PMC5529935 DOI: 10.3892/ol.2017.6334] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 05/11/2017] [Indexed: 11/23/2022] Open
Abstract
Poly (ADP-ribose) polymerase-1 (PARP1) plays a vital role in DNA repair and is expected to be an effective target in various malignancies. The aim of the present study was to investigate the clinical and biological significance of PARP1 expression in esophageal squamous cell carcinoma (ESCC). Immunohistochemical (IHC) staining was used to examine the association between PARP1 expression and the clinicopathological features of 86 patients with ESCC. The antitumor effect of small interfering RNA against PARP1 (siPARP1) was examined in a proliferation assay, and the mechanisms of this effect were investigated using western blot analysis and cell cycle assays. Cox multivariate analysis revealed that high expression of PARP1 in IHC staining was a statistically significant independent prognostic factor of poor overall survival (OS). The adjusted hazard ratio for OS in the group with high expression of PARP1 was 2.39 (95% confidence interval, 1.29–4.44; P=0.0051). In vitro assays showed that siPARP1 significantly decreased proliferation through G2/M arrest. Furthermore, western blot analysis showed that PARP1 was associated with the ataxia telangiectasia mutated-checkpoint kinase 2-cell division control 25c pathway. The present study suggests that PARP1 expression has a critical role in ESCC progression, and may be a clinical therapeutic target.
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Affiliation(s)
- Masaaki Yamamoto
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Makoto Yamasaki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yukiko Tsukao
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Koji Tanaka
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yasuhiro Miyazaki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Tomoki Makino
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Tsuyoshi Takahashi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yukinori Kurokawa
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Kiyokazu Nakajima
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Shuji Takiguchi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Masaki Mori
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
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34
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Rajawat J, Shukla N, Mishra DP. Therapeutic Targeting of Poly(ADP-Ribose) Polymerase-1 (PARP1) in Cancer: Current Developments, Therapeutic Strategies, and Future Opportunities. Med Res Rev 2017; 37:1461-1491. [PMID: 28510338 DOI: 10.1002/med.21442] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/31/2017] [Accepted: 02/16/2017] [Indexed: 12/16/2022]
Abstract
Poly(ADP-ribose) polymerase-1 (PARP-1) plays a central role in numerous cellular processes including DNA repair, replication, and transcription. PARP interacts directly, indirectly or via PARylation with various oncogenic proteins and regulates several transcription factors thereby modulating carcinogenesis. Therapeutic inhibition of PARP is therefore perceived as a promising anticancer strategy and a number of PARP inhibitors (PARPi) are currently under development and clinical evaluation. PARPi inhibit the DNA repair pathway and thus form the concept of synthetic lethality in cancer therapeutics. Preclinical and clinical studies have shown the potential of PARPi as chemopotentiator, radiosensitizer, or as adjuvant therapeutic agents. Recent studies have shown that PARP-1 could be either oncogenic or tumor suppressive in different cancers. PARP inhibitor resistance is also a growing concern in the clinical setting. Recently, changes in the levels of PARP-1 activity or expression in cancer patients have provided the basis for consideration of PARP-1 regulatory proteins as potential biomarkers. This review focuses on the current developments related to the role of PARP in cancer progression, therapeutic strategies targeting PARP-associated oncogenic signaling, and future opportunities in use of PARPi in anticancer therapeutics.
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Affiliation(s)
- Jyotika Rajawat
- Cell Death Research Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector-10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India
| | - Nidhi Shukla
- Cell Death Research Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector-10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India
| | - Durga Prasad Mishra
- Cell Death Research Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector-10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India
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35
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Kotelevets L, Chastre E, Caron J, Mougin J, Bastian G, Pineau A, Walker F, Lehy T, Desmaële D, Couvreur P. A Squalene-Based Nanomedicine for Oral Treatment of Colon Cancer. Cancer Res 2017; 77:2964-2975. [PMID: 28416486 DOI: 10.1158/0008-5472.can-16-1741] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/10/2016] [Accepted: 04/03/2017] [Indexed: 11/16/2022]
Abstract
Nanotechnology offers many possibilities to improve drug treatments, including with regard to drug pharmacology. The current study reports a simple approach to improve cisplatin efficacy in the treatment of colon cancer through the creation of orally administered squalenoylated nanoparticles loaded with cisplatin (SQ-CDDP NP). Cytotoxic effects of SQ-CDDP NP were assessed in human colonic cells and in mouse models of intestinal cancer. In cell culture, SQ-CDDP NP exhibited at least 10-fold greater cytotoxic potency compared with uncomplexed cisplatin, reflecting an enhancement in intracellular accumulation and DNA platination. Mechanistic investigations showed that SQ-CDDP NP stimulated ROS production, expression of heavy metal-inducible and stress-inducible genes, stress kinase cascades, and apoptosis. In ApcMin/+ mice, a model of intestinal tumorigenesis, oral administration of SQ-CDDP NP curtailed spontaneous tumor formation and azoxymethane-induced colon carcinogenesis with no apparent evidence of tissue toxicity. Our results offer preclinical validation of a nanocarrier formulation that can safely improve chemotherapeutic efficacy, address risks of drug resistance, and improve patient compliance by enabling oral administration. Cancer Res; 77(11); 2964-75. ©2017 AACR.
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Affiliation(s)
- Larissa Kotelevets
- Institut Galien Paris-Sud, UMR 8612, CNRS; Univ. Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France.,INSERM U938, Centre de Recherche Saint-Antoine, Paris, France.,Institut Universitaire de Cancérologie, Pierre et Marie Curie (UPMC) Sorbonne Universités, Paris, France
| | - Eric Chastre
- INSERM U1149, CNRS ERL8252, Centre de Recherche sur l'Inflammation, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Excellence Inflamex, Faculté de Médecine, Site Bichat, Paris, France
| | - Joachim Caron
- Institut Galien Paris-Sud, UMR 8612, CNRS; Univ. Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Julie Mougin
- Institut Galien Paris-Sud, UMR 8612, CNRS; Univ. Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Gerard Bastian
- Département de Pharmacologie, Pierre et Marie Curie (UPMC) Sorbonne Universités, Faculté de Médecine, Site Pitié-Salpêtrière, Paris, France
| | - Alain Pineau
- Laboratoire de Toxicologie, Faculté de Pharmacie, Nantes, France
| | - Francine Walker
- INSERM U1149, CNRS ERL8252, Centre de Recherche sur l'Inflammation, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Excellence Inflamex, Faculté de Médecine, Site Bichat, Paris, France.,Assistance publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Nord Val de Seine Bichat-Claude Bernard, Service d'Anatomo-Pathologie, Paris, France
| | - Therese Lehy
- INSERM U1149, CNRS ERL8252, Centre de Recherche sur l'Inflammation, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Excellence Inflamex, Faculté de Médecine, Site Bichat, Paris, France
| | - Didier Desmaële
- Institut Galien Paris-Sud, UMR 8612, CNRS; Univ. Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Patrick Couvreur
- Institut Galien Paris-Sud, UMR 8612, CNRS; Univ. Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France.
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36
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Li S, Cui Z, Meng X. Knockdown of PARP-1 Inhibits Proliferation and ERK Signals, Increasing Drug Sensitivity in Osteosarcoma U2OS Cells. Oncol Res 2017; 24:279-86. [PMID: 27656839 PMCID: PMC7838669 DOI: 10.3727/096504016x14666990347554] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Poly(ADP-ribose) polymerase 1 (PARP-1) is reported to be involved in DNA repair and is now recognized as a key regulator in carcinogenesis. However, the potential role and the molecular mechanism underlying the effect of PARP-1 on osteosarcoma (OS) cells have not been elucidated. In this study, the results showed that knockdown of PARP-1 resulted in decreased cell proliferation, increased cell apoptosis, and G0/G1 phase arrest in U2OS cells. In addition, increased expression of active caspase 3 and Bax, but reduced Bcl-2, cyclin D1, and phosphorylated extracellular signal regulated kinase 1/2 (pERK1/2) were observed in PARP-1 knockdown in U2OS cells. Moreover, knockdown of PARP-1 correlated with elevated chemosensitivity of U2OS cells to cisplatin through inactivation of the ERK1/2 signaling pathway. In conclusion, our findings demonstrated that PARP-1 plays an important role in regulating OS growth, combining PARP-1 gene therapy with traditional chemotherapy, and may serve as a promising approach to OS therapy.
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Affiliation(s)
- Sheng Li
- Department of Orthopedics, Shengli Oilfield Central Hospital, Dongying, Shandong, China
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37
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Imada K, Shiota M, Kuroiwa K, Sugimoto M, Abe T, Kohashi K, Yokomizo A, Eto M, Naito S, Oda Y. FOXO3a Expression Regulated by ERK Signaling is Inversely Correlated With Y-Box Binding Protein-1 Expression in Prostate Cancer. Prostate 2017; 77:145-153. [PMID: 27699813 DOI: 10.1002/pros.23254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 08/29/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND FOXO3a is a member of the forkhead O transcription factors. FOXO3a induces the factors that contribute to cell cycle arrest and is considered a tumor suppressor in several malignant tumors. Y-box binding protein-1 (YB-1) is a multifunctional protein whose high expression is correlated with poor prognoses in various malignant tumors. In the current study, we investigated the relationship between FOXO3a and YB-1 to validate their functional roles in prostate cancer. METHODS Western blotting and cytotoxicity assays were conducted in prostate cancer cells, LNCaP, and 22Rv1 cells. We also evaluated the protein expressions of FOXO3a and YB-1 in human prostate cancer tissues, using radical prostatectomy specimens. Then, we investigated the correlations between protein expressions and clinicopathologic parameters. RESULTS We found that both FOXO3a and YB-1 proteins were phosphorylated by ERK signaling, resulting in FOXO3a inactivation and YB-1 activation in LNCaP and 22Rv1 cells. Inversely, inhibition of MEK or treatment with metformin activated FOXO3a through inactivation of ERK signaling and suppressed the viability of LNCaP and 22Rv1 cells in a dose-dependent manner. In immunohistochemical analysis, FOXO3a nuclear expression was inversely correlated with YB-1 nuclear expression (P < 0.0001). Furthermore, high FOXO3a nuclear expression was inversely correlated with a higher Gleason grade (P < 0.0001) and higher preoperative PSA (P = 0.0437). CONCLUSIONS These results showed that in prostate cancer, FOXO3a, and YB-1 play inverse reciprocal roles as a tumor-suppressor gene and oncogene, respectively, through their master regulator ERK. Prostate 77:145-153, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Kenjiro Imada
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaki Shiota
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kentaro Kuroiwa
- Department of Urology, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
| | - Masaaki Sugimoto
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tatsuro Abe
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kenichi Kohashi
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akira Yokomizo
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masatoshi Eto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Seiji Naito
- Division of Urology, Harasanshin General Hospital, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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38
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Individual and Combined Expression of DNA Damage Response Molecules PARP1, γH2AX, BRCA1, and BRCA2 Predict Shorter Survival of Soft Tissue Sarcoma Patients. PLoS One 2016; 11:e0163193. [PMID: 27643881 PMCID: PMC5028069 DOI: 10.1371/journal.pone.0163193] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 09/06/2016] [Indexed: 01/11/2023] Open
Abstract
DNA damage response (DDR) molecules are protective against genotoxic stresses. DDR molecules are also involved in the survival of cancer cells in patients undergoing anti-cancer therapies. Therefore, DDR molecules are potential markers of cancer progression in addition to being potential therapeutic targets. In this study, we evaluated the immunohistochemical expression of PARP1, γH2AX, BRCA1, and BRCA2 and their prognostic significance in 112 cases of soft tissue sarcoma (STS). The expression of PARP1, γH2AX, BRCA1, and BRCA2 were significantly associated with each other and were associated with higher tumor stage and presence of distant metastasis. The expression of PARP1, γH2AX, and BRCA2 were significantly associated with shorter disease-specific survival (DSS) and event-free survival (EFS) by univariate analysis. BRCA1 expression was associated with shorter DSS. Multivariate analysis revealed the expression of PARP1 and γH2AX to be independent indicators of poor prognosis of DSS and EFS. BRCA2 expression was an independent indicator of poor prognosis of DSS. In addition, the combined expressional patterns of PARP1, γH2AX, BRCA1, and BRCA2 (CSddrm) were independent prognostic predictors of DSS (P < 0.001) and EFS (P = 0.016). The ten-year DSS rate of the CSddrm-low, CSddrm-intermediate, and CSddrm-high subgroups were 81%, 26%, and 0%, respectively. In conclusion, this study demonstrates that the individual and combined expression patterns of the DDR molecules PARP1, γH2AX, BRCA1, and BRCA2 could be predictive of the prognosis of STS patients and suggests that controlling the activity of these DDR molecules could be employed in new therapeutic stratagems for the treatment of STS.
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39
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Wang YQ, Wang PY, Wang YT, Yang GF, Zhang A, Miao ZH. An Update on Poly(ADP-ribose)polymerase-1 (PARP-1) Inhibitors: Opportunities and Challenges in Cancer Therapy. J Med Chem 2016; 59:9575-9598. [PMID: 27416328 DOI: 10.1021/acs.jmedchem.6b00055] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Poly(ADP-ribose)polymerase-1 (PARP-1) is a critical DNA repair enzyme in the base excision repair pathway. Inhibitors of this enzyme comprise a new type of anticancer drug that selectively kills cancer cells by targeting homologous recombination repair defects. Since 2010, important advances have been achieved in PARP-1 inhibitors. Specifically, the approval of olaparib in 2014 for the treatment of ovarian cancer with BRCA mutations validated PARP-1 as an anticancer target and established its clinical importance in cancer therapy. Here, we provide an update on PARP-1 inhibitors, focusing on breakthroughs in their clinical applications and investigations into relevant mechanisms of action, biomarkers, and drug resistance. We also provide an update on the design strategies and the structural types of PARP-1 inhibitors. Opportunities and challenges in PARP-1 inhibitors for cancer therapy will be discussed based on the above advances.
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Affiliation(s)
- Ying-Qing Wang
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, China
| | - Ping-Yuan Wang
- CAS Key Laboratory of Receptor Research, and Synthetic Organic & Medicinal Chemistry Laboratory, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Lu, Building 3, Room 426, Pudong, Shanghai 201203, China.,Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, China
| | - Yu-Ting Wang
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, China
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research, and Synthetic Organic & Medicinal Chemistry Laboratory, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Lu, Building 3, Room 426, Pudong, Shanghai 201203, China
| | - Ze-Hong Miao
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, China
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