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Wu G, Zhu Z, Yang Z, He M, Ren K, Dong Y, Xue Q. A Hypoxia-Related Signature for Predicting Prognosis, Cellular Processes, Immune Microenvironment and Targeted Compounds in Lung Squamous Cell Carcinoma. Int J Gen Med 2022; 15:3991-4006. [PMID: 35437352 PMCID: PMC9013258 DOI: 10.2147/ijgm.s344228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/10/2022] [Indexed: 12/24/2022] Open
Abstract
Background Lung squamous cell carcinoma (LUSC) is a malignant tumour of the lung epithelium. A hypoxic environment can promote tumour cell proliferation and invasion. Therefore, this study aims to explore hypoxia-related genes and construct reliable models to predict the prognosis, cellular processes, immune microenvironment and target compounds of lung squamous carcinoma. Methods The transcriptome data and matched clinical information of LUSC were retrieved from The Cancer Genome Atlas (TCGA) database. The GSVA algorithm calculated each LUSC patient’s hypoxia score, and all LUSC patients were divided into the high hypoxia score group and low hypoxia score group. Weighted gene co-expression network analysis (WGCNA) and differential expression analysis were performed to screen out differentially expressed hypoxia-related genes (DE-HRGs) in LUSC microenvironment, and the underlying regulatory mechanism of DE-HRGs in LUSC was explored through Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. Hereafter, we established a prognosis-related genetic signature for DE-HRGs using univariate and multivariate Cox regression analyses. The relationship between gene signature and immune cells was further evaluated. Finally, the Comparative Toxicogenomics Database (CTD) was utilized to predict the targeted drugs for the prognostic genes. Results We obtained 376 DE-HRGs. Functional enrichment analysis indicated that the DE-HRGs were involved in the cell cycle-related regulatory processes. Next, we developed and validated 3 HRGs-based prognostic signature for LUSC, including HELLS, GPRIN1, and FAM83A. Risk score is an independent prognostic factor for LUSC. Functional enrichment analysis and immune landscape analysis suggested that the risk scoring system might be involved in altering the immune microenvironment of LUSC patients to influence patient outcomes. Ultimately, a total of 92 potential compounds were predicted for the three prognostic genes. Conclusion In summary, we developed and validated a hypoxia-related model for LUSC, reflecting the cellular processes and immune microenvironment characteristics and predicting the prognostic outcomes and targeted compounds.
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Affiliation(s)
- Gujie Wu
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Zhenyu Zhu
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Zheng Yang
- Department of Respiratory medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Min He
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Kuan Ren
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Yipeng Dong
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Qun Xue
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People's Republic of China
- Correspondence: Qun Xue, Email
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Jiang H, Yan B, Meng Z, Zhang L, Lei H, Luo J. The MDM2 Single-Nucleotide Polymorphism T309G Is Associated With the Development of Epimacular Membranes. Front Cell Dev Biol 2022; 10:841660. [PMID: 35359434 PMCID: PMC8963840 DOI: 10.3389/fcell.2022.841660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/15/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose: To investigate the role of the mouse double minute 2 (MDM2) gene single-nucleotide polymorphism (SNP) T309G in the development of epimacular membranes (EMMs) by analyzing the genotype distribution and consistency of the polymorphism in paired membrane-blood samples. Methods: This was a cross–sectional genetic association study of patients with proliferative vitreoretinopathy (PVR) or EMMs. PVR membranes (PVRMs), internal limiting membranes (ILMs) (PVR-ILMs) and blood samples (PVR-blood) from patients with PVR, and EMMs, EMM-ILMs and EMM-blood from patients with EMMs were collected. The genotype of all samples was determined by Sanger sequencing. Sex composition, mean age, the genotype distribution of MDM2 T309G, the allelic frequency of the MDM2 SNP309 G allele (% G) and the somatic mutation rate at the MDM2 T309G locus (% M) were analyzed and compared. The PVR and healthy Chinese donor groups were used as controls for different comparisons. Results: The EMM group of 62 patients was older than the PVR group of 61 patients by an average of 8.87 years (p < 0.0001), but the two groups were statistically similar in the sex composition (p = 0.1754). Importantly, G allele carriers were at a higher risk of developing EMMs than non-G allele carriers (p = 0.0479; OR = 2.047). Moreover, EMM-blood exhibited a significantly higher % G than blood samples from healthy Chinese donors (EMM-blood: 56.78%, donors: 45.61%; p = 0.0256; OR = 1.567). Regarding membrane-blood consistency, % M was significantly different between PVRMs and EMMs (PVRMs: 2.63%, EMMs: 21.57%; p = 0.0097; OR = 10.18) but not between different types of ILMs (PVR-ILMs: 18.18%, EMM-ILMs: 29.17%; p = 0.6855). Furthermore, EMMs (p = 0.0053; OR = 8.250) and EMM-ILMs (p = 0.0233; OR = 14.40) from patients with preoperative macular holes were more predisposed toward somatic mutations at the MDM2 T309G locus than those from patients without preoperative macular holes. Conclusions:MDM2 T309G is associated with the development of EMMs. Herein, the MDM2 SNP309 G allele is first reported as an associated factor of EMMs in a Chinese population. In addition, EMMs and ILMs are genetically unstable at the MDM2 T309G locus, especially when complicated with preoperative macular holes.
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Affiliation(s)
- Heng Jiang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhishang Meng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lusi Zhang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Hetian Lei
- Shenzhen Eye Institute, Shenzhen Eye Hospital, Jinan University, Shenzhen, China
- *Correspondence: Hetian Lei, , Jing Luo,
| | - Jing Luo
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Hetian Lei, , Jing Luo,
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Yin J, Hou W, Vogel U, Li X, Ma Y, Wang C, Wang H, Sun Z. TP53 common variants and interaction with PPP1R13L and CD3EAP SNPs and lung cancer risk and smoking behavior in a Chinese population. Biomed J 2022; 45:169-178. [PMID: 35351459 PMCID: PMC9133261 DOI: 10.1016/j.bj.2021.01.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 12/01/2020] [Accepted: 01/21/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND TP53 encodes a tumor suppressor protein containing cell cycle arrest, apoptosis, senescence, DNA repair, or changes in metabolism. The effect of TP53 inactivation is well-known, and genetically determined smaller variations in TP53 activity are related to cancer. Lung cancer causes the highest rates of morbidity and mortality in the world. Epidemiology studies have assessed the association of TP53 single nucleotide polymorphisms with lung cancer. METHODS We systematically examined the association of five htSNPs (haplotype-tagging single nucleotide polymorphism) (rs12951053, rs1042522, rs8079544, rs12602273 and rs8064946) across the entire TP53 locus and interaction between genes TP53 and PPP1R13L and CD3EAP and smoking-duration related to lung cancer risk in this Chinese study including 544 cases and 550 controls. RESULTS No significant associations were observed in analysis of alleles and genotypes with co-dominant, dominant, recessive, and log-additive models after adjustment for smoking status. Haplotype analysis showed that haplotype9 (rs12951053A-rs1042522C-rs8079544C-rs12602273G-rs8064946C) [OR (95% CI) = 0.13 (0.03-0.59), p = 0.0079] was associated with decreased risk of lung cancer after adjusted for smoking-duration. The analysis of smoking-duration within TP53 haplotypes showed that there were more carriers of haplotype1 (AGCCG), 2 (CCCGC) and 4 (CCCCG) in smoking-subgroup of >20 (years) (all p < 0.05). MDR testing analysis identified two significant models (both p < 0.0010) of gene-gene-environment interaction in relation to lung cancer risk in whole study group. CONCLUSION The present results provide novel evidence that the haplotype of TP53 htSNPs and interaction between genetic variation in TP53 and CD3EAP and smoking-duration may associate with lung cancer risk, and provide additional evidence of association between TP53 htSNP haplotypes and long-term smoking-related behavior.
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Affiliation(s)
- Jiaoyang Yin
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, Liaoning Province, People's Republic of China.
| | - Wei Hou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Pathology, Peking University Cancer Hospital & Institute, Beijing, People's Republic of China
| | - Ulla Vogel
- National Research Centre for the Working Environment, DK-2100 Copenhagen, Denmark
| | - Xinxin Li
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, Liaoning Province, People's Republic of China
| | - Yegang Ma
- Department of Thoracic Surgery, Liaoning Cancer Hospital, Shenyang, Liaoning Province, People's Republic of China
| | - Chunhong Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, Liaoning Province, People's Republic of China
| | - Huiwen Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, Liaoning Province, People's Republic of China
| | - Zhenxiang Sun
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, Liaoning Province, People's Republic of China
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The roles of mouse double minute 2 (MDM2) oncoprotein in ocular diseases: A review. Exp Eye Res 2022; 217:108910. [PMID: 34998788 DOI: 10.1016/j.exer.2021.108910] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/03/2021] [Accepted: 12/21/2021] [Indexed: 12/19/2022]
Abstract
Mouse double minute 2 (MDM2), an E3 ubiquitin ligase and the primary negative regulator of the tumor suppressor p53, cooperates with its structural homolog MDM4/MDMX to control intracellular p53 level. In turn, overexpression of p53 upregulates and forms an autoregulatory feedback loop with MDM2. The MDM2-p53 axis plays a pivotal role in modulating cell cycle control and apoptosis. MDM2 itself is regulated by the PI3K-AKT and RB-E2F-ARF pathways. While amplification of the MDM2 gene or overexpression of MDM2 (due to MDM2 SNP T309G, for instance) is associated with various malignancies, numerous studies have shown that MDM2/p53 alterations may also play a part in the pathogenetic process of certain ocular disorders (Fig. 1). These include cancers (retinoblastoma, uveal melanoma), fibrocellular proliferative diseases (proliferative vitreoretinopathy, pterygium), neovascular diseases, degenerative diseases (cataract, primary open-angle glaucoma, age-related macular degeneration) and infectious/inflammatory diseases (trachoma, uveitis). In addition, MDM2 is implicated in retinogenesis and regeneration after optic nerve injury. Anti-MDM2 therapy has shown potential as a novel approach to treating these diseases. Despite major safety concerns, there are high expectations for the clinical value of reformative MDM2 inhibitors. This review summarizes important findings about the role of MDM2 in ocular pathologies and provides an overview of recent advances in treating these diseases with anti-MDM2 therapies.
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Identification of ubiquitination-related genes in human glioma as indicators of patient prognosis. PLoS One 2021; 16:e0250239. [PMID: 33914773 PMCID: PMC8084191 DOI: 10.1371/journal.pone.0250239] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 04/04/2021] [Indexed: 11/21/2022] Open
Abstract
Ubiquitination is a dynamic and reversible process of a specific modification of target proteins catalyzed by a series of ubiquitination enzymes. Because of the extensive range of substrates, ubiquitination plays a crucial role in the localization, metabolism, regulation, and degradation of proteins. Although the treatment of glioma has been improved, the survival rate of patients is still not satisfactory. Therefore, we explore the role of ubiquitin proteasome in glioma. Survival-related ubiquitination related genes (URGs) were obtained through analysis of the Genotype-Tissue Expression (GTEx) and the Cancer Genome Atlas (TCGA). Cox analysis was performed to construct risk model. The accuracy of risk model is verified by survival, Receiver operating characteristic (ROC) and Cox analysis. We obtained 36 differentially expressed URGs and found that 25 URGs were related to patient prognosis. We used the 25 URGs to construct a model containing 8 URGs to predict glioma patient risk by Cox analysis. ROC showed that the accuracy rate of this model is 85.3%. Cox analysis found that this model can be used as an independent prognostic factor. We also found that this model is related to molecular typing markers. Patients in the high-risk group were enriched in multiple tumor-related signaling pathways. In addition, we predicted TFs that may regulate the risk model URGs and found that the risk model is related to B cells, CD4 T cells, and neutrophils.
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6
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Haupt S, Haupt Y. Cancer and Tumour Suppressor p53 Encounters at the Juncture of Sex Disparity. Front Genet 2021; 12:632719. [PMID: 33664771 PMCID: PMC7920968 DOI: 10.3389/fgene.2021.632719] [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: 11/23/2020] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
There are many differences in cancer manifestation between men and women. New understanding of the origin of these point to fundamental distinctions in the genetic code and its demise. Tumour suppressor protein p53 is the chief operating officer of cancer defence and critically acts to safeguard against sustained DNA damaged. P53 cannot be ignored in cancer sex disparity. In this review we discuss the greater prevalence and associated death rates for non-reproductive cancers in males. The major tumour suppressor protein p53, encoded in the TP53 gene is our chosen context. It is fitting to ask why somatic TP53 mutation incidence is estimated to be disproportionately higher among males in the population for these types of cancers compared with females? We scrutinised the literature for evidence of predisposing genetic and epigenetic alterations that may explain this sex bias. Our second approach was to explore whether redox activity, either externally imposed or inherent to males and females, may define distinct risks that could contribute to the clear cancer sex disparities.
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Affiliation(s)
- Sue Haupt
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, Australia.,Department of Clinical Pathology, University of Melbourne, Parkville, VIC, Australia
| | - Ygal Haupt
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, Australia.,Department of Clinical Pathology, University of Melbourne, Parkville, VIC, Australia.,Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC, Australia
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7
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Lin YC, Chang WS, Shen TC, Li HT, Li CH, Hsiau YC, Wang YC, Wu CN, Gong CL, Wang ZH, Tsai CW, Hsia TC, Bau DAT. Association of Murine Double Minute 2 Genotypes and Lung Cancer Risk. In Vivo 2021; 34:1047-1052. [PMID: 32354891 DOI: 10.21873/invivo.11874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 12/24/2022]
Abstract
AIM The aim of this study was to evaluate the contribution of human mouse double minute 2 (MDM2) gene polymorphisms to the risk of Taiwan lung cancer. MATERIALS AND METHODS In this case-control study, the association of MDM2 rs2279744 genotypes with lung cancer risk was investigated among 358 lung cancer patients and 716 age-, gender- and smoking status-matched controls in Taiwan. RESULTS The percentages of MDM2 rs2279744 GT and GG genotypes were 50.0% and 27.4% in lung cancer group and 50.0% and 26.5% in control group, respectively [odds ratio (OR)=1.03 and 1.07, 95% confidence interval (CI)=0.75-1.43 and 0.75-1.53, respectively]. The analysis about allelic frequency showed that G allele at MDM2 rs2279744 conferred a non-significant increased cancer risk (OR=1.03, 95%CI=0.86-1.24). CONCLUSION Polymorphisms of MDM2 rs2279744 may play a role in lung carcinogenesis. However, the studied genotypes were not shown as predictors of lung cancer susceptibility.
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Affiliation(s)
- Yu-Chao Lin
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan, R.O.C
| | - Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Te-Chun Shen
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Hsin-Ting Li
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C.,Department of Biomedical Imaging and Radiological Science, China Medical University, Taichung, Taiwan, R.O.C
| | - Chia-Hsiang Li
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Yu-Chen Hsiau
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Yun-Chi Wang
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Cheng-Nan Wu
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Chi-Li Gong
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Zhi-Hong Wang
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan, R.O.C
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C. .,Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Te-Chun Hsia
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C.
| | - DA-Tian Bau
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan, R.O.C. .,Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C.,Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan, R.O.C
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8
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Bulgakova O, Kussainova A, Bersimbaev R. The cell cycle regulatory gene polymorphisms TP53 (rs1042522) and MDM2 (rs2279744) in lung cancer: a meta-analysis. Vavilovskii Zhurnal Genet Selektsii 2020; 24:777-784. [PMID: 33959694 PMCID: PMC8093851 DOI: 10.18699/vj20.673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is one of the most common types of cancer in the world. Although the mechanism of lung
cancer is still unknown, a large number of studies have found a link between gene polymorphisms and the risk of lung
cancer. The tumor suppressor p53 plays a crucial role in maintaining genomic stability and tumor prevention. MDM2
is a critical regulator of the p53 protein. Despite the importance of p53 pathway in cancer, data on the contribution
of SNPs of TP53 (rs1042522) and MDM2 (rs2279744) to the development of lung cancer are very contradictory. A metaanalysis
that collects quantitative data from individual studies and combines their results has the advantage of improving
accuracy, providing reliable estimates, and resolving those issues in which studies on individual associations
are not effective enough. The aim of this study was to determine whether the TP53 (rs1042522) and MDM2 (rs2279744)
polymorphisms confer susceptibility to lung cancer. A meta-analysis was conducted on the associations between the
TP53 (rs1042522) and MDM2 (rs2279744) polymorphisms and lung cancer. A total of 51 comparison studies including
25,366 patients and 25,239 controls were considered in this meta-analysis. The meta-analysis showed no association
between lung cancer and MDM2 (rs2279744) under any model. A noteworthy association of TP53 (rs1042522) with
susceptibility to lung cancer in overall pooled subjects was observed under three different models (allele contrast,
homozygote contrast (additive) and dominant). Stratification by ethnicity indicated an association between the TP53
(rs1042522) and lung cancer in Asians and Caucasians. This meta-analysis demonstrates that the TP53 (rs1042522), but
not MDM2 (rs2279744) polymorphism may confer susceptibility to lung cancer.
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Affiliation(s)
- O Bulgakova
- L.N. Gumilyov Eurasian National University, Institute of Cell Biology and Biotechnology, Nur-Sultan, Kazakhstan
| | - A Kussainova
- L.N. Gumilyov Eurasian National University, Institute of Cell Biology and Biotechnology, Nur-Sultan, Kazakhstan
| | - R Bersimbaev
- L.N. Gumilyov Eurasian National University, Institute of Cell Biology and Biotechnology, Nur-Sultan, Kazakhstan
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Yin J, Hou W, Vogel U, Ma Y, Wang C, Wang H, Sun Z. Interaction between common variants of MDM2 and PPP1R13L and CD3EAP and TP53 SNPs in relation to lung cancer risk among Chinese. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:934. [PMID: 32953734 PMCID: PMC7475392 DOI: 10.21037/atm-19-4784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background Lung cancer is a complex disease that diagnosed the most common cancer and led cause of cancer death. MDM2 (MDM2 proto-oncogene) encodes a nuclear-localized E3 ubiquitin ligase. The encoded protein can promote tumor formation by targeting tumor suppressor proteins, such as TP53, for proteasomal degradation. Epidemiology studies have investigated the association of MDM2 single nucleotide polymorphisms (SNP) and interaction between genetic and environmental factors with lung cancer. Methods This Chinese case-control study comprised 627 cases and 633 controls explored the role of MDM2 five htSNPs (rs1690924, rs1846402, rs2291857, rs3730581 and rs3730635, haplotype-tagging SNP) tagging 95% of the common haplotypes across the gene and the interactions of MDM2, PPP1R13L, CD3EAP and TP53 in the same pathological pathway on lung cancer risk, together with smoking-duration. Results None of the htSNPs in MDM2 were associated with lung cancer risk in co-dominant, dominant, recessive, and log-additive models (adjusted for smoking-duration). Haplotype analysis showed that global haplotype association was statistically significant (P=0.0036, adjusted for smoking-duration) and haplotype5 (rs1690924A-rs1846402G-rs2291857C-rs3730581G-rs3730635A) was associated with reduced risk of lung cancer [OR (95%) =0.52 (0.33–0.82), P=0.0053, adjusted for smoking-duration]. MDR interaction analysis showed that two the best significant models and strong synergy between MDM2 and TP53. Conclusions MDM2 five-htSNPs haplotype exhibited association with lung cancer susceptibility, interaction of MDM2 and TP53 htSNPs and smoking-duration contributed to lung cancer risk and strong synergy between MDM2 and TP53 htSNPs influenced lung cancer predisposition. Our results suggest that MDM2, TP53 and smoking-duration interact in relation to lung carcinogenesis.
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Affiliation(s)
- Jiaoyang Yin
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, China
| | - Wei Hou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Pathology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Ulla Vogel
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Yegang Ma
- Department of Thoracic Surgery, Liaoning Cancer Hospital, Shenyang, China
| | - Chunhong Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, China
| | - Huiwen Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, China
| | - Zhenxiang Sun
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, China
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10
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Barnoud T, Parris JLD, Murphy ME. Common genetic variants in the TP53 pathway and their impact on cancer. J Mol Cell Biol 2020; 11:578-585. [PMID: 31152665 PMCID: PMC6736421 DOI: 10.1093/jmcb/mjz052] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/24/2019] [Accepted: 05/15/2019] [Indexed: 01/09/2023] Open
Abstract
The TP53 gene is well known to be the most frequently mutated gene in human cancer. In addition to mutations, there are > 20 different coding region single-nucleotide polymorphisms (SNPs) in the TP53 gene, as well as SNPs in MDM2, the negative regulator of p53. Several of these SNPs are known to alter p53 pathway function. This makes p53 rather unique among cancer-critical genes, e.g. the coding regions of other cancer-critical genes like Ha-Ras, RB, and PI3KCA do not have non-synonymous coding region SNPs that alter their function in cancer. The next frontier in p53 biology will consist of probing which of these coding region SNPs are moderately or strongly pathogenic and whether they influence cancer risk and the efficacy of cancer therapy. The challenge after that will consist of determining whether we can tailor chemotherapy to correct the defects for each of these variants. Here we review the SNPs in TP53 and MDM2 that show the most significant impact on cancer and other diseases. We also propose avenues for how this information can be used to better inform personalized medicine approaches to cancer and other diseases.
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Affiliation(s)
- Thibaut Barnoud
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA
| | - Joshua L D Parris
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA.,Cell and Molecular Biology Program, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Maureen E Murphy
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA
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11
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Reza HA, Anamika WJ, Chowdhury MMK, Mostafa MG, Uddin MA. A cohort study on the association of MDM2 SNP309 with lung cancer risk in Bangladeshi population. Korean J Intern Med 2020; 35:672-681. [PMID: 32392664 PMCID: PMC7214377 DOI: 10.3904/kjim.2018.125] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 09/06/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND/AIMS Bangladesh is a densely populated country with an increased incidence of lung cancer, mostly due to smoking. Therefore, elucidating the association of mouse double minute 2 homolog (MDM2) single nucleotide polymorphism (SNP) 309 (rs2279744) with lung cancer risk from smoking in Bangladeshi population has become necessary. METHODS DNA was extracted from blood samples of 126 lung cancer patient and 133 healthy controls. The MDM2 SNP309 was genotyped by polymerase chain reaction- restriction fragment length polymorphism (PCR-RFLP), using the restriction enzymes MspA1I. Logistic regression was then carried out to calculate odds ratios (ORs) and 95% confidence intervals (CIs) to estimate the risk of lung cancer. A meta-analysis of SNP309 was also carried out on 12,758 control subjects and 11,638 patient subjects. RESULTS In multivariate logistic regression, significantly increased risk of lung cancer was observed for MDM2 SNP309 in the dominant model (TG + GG vs. TT: OR, 2.13; 95% CI, 1.29 to 3.53). Stratification analysis revealed that age, sex, obesity, and smoking also increases the risk of lung cancer when carrying the MDM2 SNP309. Our meta-analysis revealed that MDM2 SNP309 was considerably associated with lung cancer in Asian populations (TG + GG vs. TT: OR, 1.32; 95% CI , 1.12 to 1.56; p = 0.019 for heterogeneity). CONCLUSION The MDM2 SNP309 was associated with high risk of lung cancer in Bangladeshi and Asian population, particularly with increased age, smoking, and body mass index.
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Affiliation(s)
- Hasan Al Reza
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka, Bangladesh
| | | | | | - Mohammad Golam Mostafa
- Department of Histopathology, National Institute of Cancer Research and Hospital, Dhaka, Bangladesh
| | - M. Aftab Uddin
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka, Bangladesh
- Correspondence to M. Aftab Uddin, Ph.D. Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka, Bangladesh Tel: +880-2-9661900 Fax: +880-2-9667222 E-mail:
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12
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Zhang C, Ye Z, Zhang Z, Zheng J, Tang Y, Hou E, Huang Z, Meng L. A comprehensive evaluation of single nucleotide polymorphisms associated with hepatocellular carcinoma risk in Asian populations: A systematic review and network meta-analysis. Gene 2020; 735:144365. [PMID: 31935498 DOI: 10.1016/j.gene.2020.144365] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 01/10/2020] [Accepted: 01/10/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Single nucleotide polymorphisms (SNPs) have been inconsistently associated with hepatocellular carcinoma (HCC) risk. This meta-analysis aimed to synthesize relevant data on SNPs associated with HCC in the Asian population. METHODS Databases were searched to identify association studies of SNPs and HCC in Asians published through January 2019. Summary odds ratios (ORs) and 95% confidence intervals (CIs) were calculated based on 41 studies (13,167 patients with HCC and 15,886 noncancer controls). Network meta-analysis and Thakkinstian's algorithm were used to select the most appropriate genetic model, along with false positive report probability (FPRP) for noteworthy associations. RESULTS Eleven SNPs meeting the inclusion criteria were tested for association with HCC, including CCND1 rs9344, PTGS2 rs689466, IL18 rs187238 and rs1946518, KIF1B rs17401966, MDM2 rs2279744, MIR146A rs2910164, MIR149 rs2292832, MIR196A2 rs11614913, MIR499A rs3746444, and TGFB1 rs1800469. A significant increase for HCC risk was observed for MDM2 rs2279744, and the dominant (pooled OR = 1.59, 95% CI: 1.26-2.00) and codominant (pooled OR = 1.37, 95% CI: 1.18-1.60) models were determined to be the most appropriate models. MIR499A rs3746444 also showed a significant association with HCC risk under the allele contrast model (pooled OR = 1.36, 95% CI: 1.05-1.77). Only the significance of MDM2 rs2279744 was noteworthy (FPRP < 0.2). CONCLUSIONS MDM2 rs2279744 is associated with HCC susceptibility in Asians, and the dominant and codominant models are likely the most appropriate models to estimate HCC risk.
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Affiliation(s)
- Chi Zhang
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China
| | - Zhuomiao Ye
- Ruikang Clinical Medical College, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China
| | - Ziting Zhang
- Ruikang Clinical Medical College, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China
| | - Jinghui Zheng
- Department of Geriatrics, Ruikang Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China.
| | - Youming Tang
- Department of Gastroenterology, Ruikang Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China.
| | - Encun Hou
- Department of Oncology, Ruikang Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, China
| | - Zhihan Huang
- Department of Internal Medicine, Daxin County Chinese Medicine Hospital of Guangxi Zhuang Autonomous Region, Chongzuo 532399, Guangxi, China
| | - Li Meng
- Department of Internal Medicine, Fangchenggang Chinese Medicine Hospital of Guangxi Zhuang Autonomous Region, Fangchenggang 538021, Guangxi, China
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Wan WB, Wu K, Peng K, Qiu ZQ, Duan ZB, Chen X, Xu ZM, Cheng K, Zhao JMH, Shi QM. High level of RNF187 contributes to the progression and drug resistance of osteosarcoma. J Cancer 2020; 11:1351-1358. [PMID: 32047542 PMCID: PMC6995399 DOI: 10.7150/jca.33488] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 10/05/2019] [Indexed: 01/20/2023] Open
Abstract
Objectives: Ring finger protein 187 (RNF187) was recently demonstrated to be up-regulation and function as a promoter in multiple cancers. However, the roles of RNF187 in osteosarcoma (OS) are unclear. Here, we tried to reveal the clinicopathological and biological roles of RNF187 in OS. Materials and Methods: We employed the quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry (IHC) to determine the expression of RNF187 in OS tissues and cells. Migration and invasion capacities were analyzed by wound healing and transwell assays, and colony formation and CCK8 assays were performed to investigate proliferative ability. The functional effects of RNF187 on OS drugs resistance were further determined by CCK8 and western blot assays. Then, the relationship between RNF187 expression and clinical implications was analyzed by tissue microarrays (TMAs) including 51 OS cases. Moreover, the prognostic value was also determined by Kaplan-Meier analysis. Results: We reported that RNF187 mRNA was significantly increased in OS tissues compared to matched nontumorous tissues (3.83 ±0.79 vs. 1.70 ± 0.63), which was in line with the IHC assay in TMAs. By RNA interference and cDNA transfection, we showed high level of RNF187 increased the migration, invasion and proliferation of OS cells. Moreover, we demonstrated that elevated RNF187 expression induced OS cell drugs resistance, activated the ERK1/2 molecular and markedly enhanced the BCL-2 expression. Clinically, OS patients with high level of RNF187 was associated with Histologic differentiation (p=0.001), an advanced Enneking stage (p=0.001), response to chemotherapy (p=0.004), and metastasis (p= 0.001). Clinically, our data displayed that the RNF187 overexpression in OS samples associated with shorten overall survival (p=0.001) and high tumor recurrence (p=0.001) in postoperative OS patients. Conclusions: Our results indicate that Elevated RNF187 expression is a new adverse outcomes marker for OS patients and may be used as a new therapeutic target of OS.
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Affiliation(s)
- Wen-Bing Wan
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Kai Wu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Kun Peng
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Zhi-Qiang Qiu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Zhi-Bin Duan
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Xiang Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Ze-Min Xu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Ke Cheng
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Jiang-Ming-Hao Zhao
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Qing-Ming Shi
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
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Singh S, Vaughan CA, Rabender C, Mikkelsen R, Deb S, Palit Deb S. DNA replication in progenitor cells and epithelial regeneration after lung injury requires the oncoprotein MDM2. JCI Insight 2019; 4:128194. [PMID: 31527309 PMCID: PMC6824310 DOI: 10.1172/jci.insight.128194] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 09/05/2019] [Indexed: 12/16/2022] Open
Abstract
Depletion of epithelial cells after lung injury prompts proliferation and epithelial mesenchymal transition (EMT) of progenitor cells, and this repopulates the lost epithelial layer. To investigate the cell proliferative function of human oncoprotein MDM2, we generated mouse models targeting human MDM2 expression in either lung Club or alveolar cells after doxycycline treatment. We report that MDM2 expression in lung Club or alveolar cells activates DNA replication specifically in lung progenitor cells only after chemical- or radiation-induced lung injury, irrespective of their p53 status. Activation of DNA replication by MDM2 triggered by injury leads to proliferation of lung progenitor cells and restoration of the lost epithelial layers. Mouse lung with no Mdm2 allele loses its ability to replicate DNA, whereas loss of 1 Mdm2 allele compromises this function, demonstrating the requirement of endogenous MDM2. We show that the p53-independent ability of MDM2 to activate Akt signaling is essential for initiating DNA replication in lung progenitor cells. Furthermore, MDM2 activates the Notch signaling pathway and expression of EMT markers, indicative of epithelial regeneration. This is the first report to our knowledge demonstrating a direct p53-independent participation of MDM2 in progenitor cell proliferation and epithelial repair after lung injury, distinct from a p53-degrading antiapoptotic effect preventing injury.
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Affiliation(s)
- Shilpa Singh
- Department of Biochemistry and Molecular Biology
- VCU Massey Cancer Center, and
| | | | - Christopher Rabender
- VCU Massey Cancer Center, and
- Department of Radiation Oncology, Virginia Commonwealth, University, Richmond, Virginia, USA
| | - Ross Mikkelsen
- VCU Massey Cancer Center, and
- Department of Radiation Oncology, Virginia Commonwealth, University, Richmond, Virginia, USA
| | - Sumitra Deb
- Department of Biochemistry and Molecular Biology
- VCU Massey Cancer Center, and
| | - Swati Palit Deb
- Department of Biochemistry and Molecular Biology
- VCU Massey Cancer Center, and
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15
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Ge Z, Leighton JS, Wang Y, Peng X, Chen Z, Chen H, Sun Y, Yao F, Li J, Zhang H, Liu J, Shriver CD, Hu H, Piwnica-Worms H, Ma L, Liang H. Integrated Genomic Analysis of the Ubiquitin Pathway across Cancer Types. Cell Rep 2019; 23:213-226.e3. [PMID: 29617661 DOI: 10.1016/j.celrep.2018.03.047] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 01/12/2018] [Accepted: 03/12/2018] [Indexed: 12/21/2022] Open
Abstract
Protein ubiquitination is a dynamic and reversible process of adding single ubiquitin molecules or various ubiquitin chains to target proteins. Here, using multidimensional omic data of 9,125 tumor samples across 33 cancer types from The Cancer Genome Atlas, we perform comprehensive molecular characterization of 929 ubiquitin-related genes and 95 deubiquitinase genes. Among them, we systematically identify top somatic driver candidates, including mutated FBXW7 with cancer-type-specific patterns and amplified MDM2 showing a mutually exclusive pattern with BRAF mutations. Ubiquitin pathway genes tend to be upregulated in cancer mediated by diverse mechanisms. By integrating pan-cancer multiomic data, we identify a group of tumor samples that exhibit worse prognosis. These samples are consistently associated with the upregulation of cell-cycle and DNA repair pathways, characterized by mutated TP53, MYC/TERT amplification, and APC/PTEN deletion. Our analysis highlights the importance of the ubiquitin pathway in cancer development and lays a foundation for developing relevant therapeutic strategies.
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Affiliation(s)
- Zhongqi Ge
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jake S Leighton
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Yumeng Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA
| | - Xinxin Peng
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Zhongyuan Chen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Statistics, Rice University, Houston, TX 77005, USA
| | - Hu Chen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yutong Sun
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Fan Yao
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jun Li
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Huiwen Zhang
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX 77030, USA
| | - Jianfang Liu
- Chan Soon-Shiong Institute of Molecular Medicine at Windber, Windber, PA 15963, USA
| | - Craig D Shriver
- Murtha Cancer Center, Uniformed Services University/Walter Reed National Military Medical Center, Bethesda, MD 20889, USA
| | - Hai Hu
- Chan Soon-Shiong Institute of Molecular Medicine at Windber, Windber, PA 15963, USA
| | | | - Helen Piwnica-Worms
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Li Ma
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Han Liang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA; Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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Luan L, Wang H, Zhao B, Wang F, Shi J, Xu X. Association of MDM2 gene SNP 309 polymorphism and human non-small cell lung cancer susceptibility: A meta-analysis. Pathol Res Pract 2019; 215:152538. [PMID: 31326197 DOI: 10.1016/j.prp.2019.152538] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/22/2019] [Accepted: 07/12/2019] [Indexed: 02/07/2023]
Abstract
This updated meta-analysis was performed to evaluate the relationship of a common polymorphism (T309 G, rs2279744 T > G) in the murine double minute 2 (MDM2) gene with susceptibility and prognosis of non-small cell lung cancer (NSCLC). The Cochrane Library, PubMed, Embase, CNKI, WanFang and CNKI databases were searched comprehensively for related study. Odds ratios (ORs) with their 95% confidence intervals (95% CI) were calculated. 11 articles with a total 6470 NSCLC patients and 8027 controls met the inclusion criteria were included. MDM2 T309 G polymorphism might be strongly correlated with an increased risk of NSCLC. The overall pooled analysis indicated that MDM2 309 T/G polymorphism was significantly associated with NSCLC susceptibility in the whole population under allelic (OR: 1.22, 95% CI: 1.08-1.38), recessive (OR: 1.37, 95% CI: 1.15-1.63), dominant (OR: 1.23, 95% CI: 1.04-1.45), and homozygous genetic models (OR: 1.49, 95% CI: 1.20-1.86). The subgroup analysis showed a significant association of MDM2 309 T/G polymorphism with NSCLC susceptibility in Asian population, but not in Caucasian population. Besides, a significant association was found again in the female population. The meta-analysis provides convincing evidence that the MDM2 T309 G polymorphism may contribute to NSCLC susceptibility, especially for Asians and women.
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Affiliation(s)
- Lan Luan
- School of Nursing and Midwifery, Jiangsu College of Nursing, No. 9, Keji Road, Huai'an City, Jiangsu Province, 223005, China; Department of Thoracic Surgery, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, No. 62, Huaihai South Road, Huai'an City, Jiangsu Province, 223002, China
| | - Hongying Wang
- Department of Thoracic Surgery, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, No. 62, Huaihai South Road, Huai'an City, Jiangsu Province, 223002, China
| | - Beibei Zhao
- School of Nursing and Midwifery, Jiangsu College of Nursing, No. 9, Keji Road, Huai'an City, Jiangsu Province, 223005, China
| | - Fan Wang
- Department of Thoracic Surgery, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, No. 62, Huaihai South Road, Huai'an City, Jiangsu Province, 223002, China
| | - Juan Shi
- Department of Thoracic Surgery, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, No. 62, Huaihai South Road, Huai'an City, Jiangsu Province, 223002, China
| | - Xiajun Xu
- Department of Thoracic Surgery, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, No. 62, Huaihai South Road, Huai'an City, Jiangsu Province, 223002, China.
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Zou X, Zhang Y, Zhang L, Li J, Zhu C, Cheng Q, Zhou J, Chen Y. Association between MDM2 SNP309 and endometrial cancer risk: A PRISMA-compliant meta-analysis. Medicine (Baltimore) 2018; 97:e13273. [PMID: 30544386 PMCID: PMC6310604 DOI: 10.1097/md.0000000000013273] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Murine double minute 2 homolog (MDM2) plays an important role in the downregulation of P53 tumor suppressor gene. MDM2 inhibits P53 transcriptional activity and thereby results in accelerated tumor formation. Overexpression of MDM2 has been found in several cancer types including endometrial cancer. SNP309 is located in the promoter region of MDM2 and contributes to the overexpression of MDM2. The association between MDM2 SNP309 polymorphism and endometrial cancer risk has been investigated in several studies; however, the conclusion remains controversial. OBJECTIVES We performed the present meta-analysis to give a comprehensive conclusion of the association between MDM2 SNP309 polymorphism and endometrial cancer susceptibility. METHODS We conducted a literature research on PubMed, Embase, Cochrane Library, OVID, Web of Science, Wan Fang, CNKI, and CQVIP databases up to July 31, 2018. Newcastle-Ottawa scale was used to assess the quality of studies. We evaluated the strength of association by combining odds ratios (ORs) and 95% confidence intervals (CIs) in 5 different genetic models under a fixed-effect model or random-effect model. We further conducted subgroup analysis by ethnicity, source of control, histological type, clinical type, grade, and stage of tumor. Sensitivity analysis and publication bias were also performed. RESULTS Nine eligible studies were finally included in our meta-analysis. We found MDM2 SNP309 polymorphism increased the risk of endometrial cancer under allele model (OR: 1.23, 95% CI: 1.06-1.41, P = .005), homozygote model (OR: 1.43, 95% CI: 1.13-1.81, P = .003) and recessive model (OR: 1.55, 95% CI: 1.17-2.04, P = .002). Subgroup analysis suggested a similar elevated risk in both Asians and Caucasians. We identified a strong association of enhanced susceptibility to endometrial cancer in endometrioid group (OR: 2.13, 95% CI: 1.28-3.54, P = .004) and Type I group (OR: 1.89, 95% CI: 1.25-2.86, P = .002) under dominant model. We identified no significant publication bias according to Egger's test. CONCLUSIONS Our meta-analysis suggested that MDM2 SNP309 polymorphism increased the risk of endometrial cancer significantly, especially in endometrioid and Type I endometrial cancer, indicating MDM2 could serve as a potential diagnostic factor marker for endometrial cancer.
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Affiliation(s)
| | - Yi Zhang
- Department of Obstetrics and Gynecology
| | - Lin Zhang
- Department of Obstetrics and Gynecology
| | - Jiaxi Li
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou City, Jiangsu, PR China
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Yueh TC, Hung YW, Shih TC, Wu CN, Wang SC, Lai YL, Hsu SW, Wu MH, Fu CK, Wang YC, Ke TW, Chang WS, Tsai CW, Bau DAT. Contribution of Murine Double Minute 2 Genotypes to Colorectal Cancer Risk in Taiwan. Cancer Genomics Proteomics 2018; 15:405-411. [PMID: 30194081 DOI: 10.21873/cgp.20099] [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: 06/06/2018] [Revised: 06/19/2018] [Accepted: 06/20/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND/AIM The genomic role of human mouse double minute 2 (MDM2) in colorectal cancer (CRC) is unclear, therefore, our study aimed to evaluate the contribution of MDM2 genotype to the risk of CRC in Taiwan. MATERIALS AND METHODS In this case-control study, MDM2 SNP309 T to G (rs2279744) genotypes were determined and their association with CRC risk were investigated among 362 patients with CRC and 362 age- and gender-matched healthy controls in central Taiwan. In addition, the interaction of MDM2 SNP309 genotypes with personal behaviors and clinicopathological features were also examined. RESULTS The percentage of variant GG for the MDM2 SNP309 genotype was 30.9% in the CRC group and 24.0% in the control group, respectively (odds ratio (OR)=1.78, 95% confidence interval (CI)=1.25-2.86, p=0.0057). The allelic frequency distribution analysis showed that the variant G allele of MDM2 SNP309 conferred a significantly increased susceptibility to CRC compared with the wild-type T allele (OR=1.32, 95% CI=1.14-1.69, p=0.0062). As for the gene-lifestyle interaction, there was an obvious joint effect of MDM2 SNP309 GG genotype on the risk of CRC among ever-smokers and non-alcohol drinkers, but not non-smoker or alcohol drinker subgroups. No statistically significant correlation was observed between MDM2 SNP309 genotypic distributions and age, gender, tumor size, location or metastasis status. CONCLUSION The genotypes of MDM2 SNP309 may allow forr early detection of and predictor for CRC risk, especially among smokers and non-alcohol drinkers, but not for prognosis. The combined effects of MDM2 SNP309 and other genes (such as matrix metalloproteinases) on CRC susceptibility and prognosis, should also be taken into consideration in the era of precision medicine.
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Affiliation(s)
- Te-Cheng Yueh
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, R.O.C.,Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C.,Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Yi-Wen Hung
- Department of Medicine Research, Taichung Veterans General Hospital, Taichung, Taiwan, R.O.C.,Animal Radiation Therapy Research Center, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Tzu-Ching Shih
- Department of Biomedical Imaging and Radiological Science, China Medical University, Taichung, Taiwan, R.O.C
| | - Cheng-Nan Wu
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Shou-Cheng Wang
- Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Yi-Liang Lai
- Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Shih-Wei Hsu
- Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Ming-Hsien Wu
- Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Chun-Kai Fu
- Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C.,National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Yun-Chi Wang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Tao-Wei Ke
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C.
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C. .,Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - DA-Tian Bau
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, R.O.C. .,Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C.,Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan, R.O.C
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Xiong D, Zhu SQ, Wu YB, Jin C, Jiang JH, Liao YF, Long X, Wu HB, Xu JJ, Li JJ, Ding JY. Ring finger protein 38 promote non-small cell lung cancer progression by endowing cell EMT phenotype. J Cancer 2018; 9:841-850. [PMID: 29581762 PMCID: PMC5868148 DOI: 10.7150/jca.23138] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 12/29/2017] [Indexed: 01/11/2023] Open
Abstract
Objectives: Ring finger protein 38 (RNF38), as an E3 ubiquitin ligase, plays an essential role in multiple biological processes by controlling cell apoptosis, cell cycle and DNA repair, and resides in chromosome 9 (9p13) which is involvement in cancer pathogenesis including lung cancer. However, its function in tumorigenesis remains unclear. Hence, this study set out to investigate the biological function and clinical implications of RNF38 in non-small cell lung cancer (NSCLC). Materials and Methods: Immunohistochemistry, quantitative real-time polymerase chain reaction (qRT-PCR) and western blot were used to detect RNF38 protein and mRNA levels in NSCLC and corresponding paratumor tissues. Tissue microarrays (TMA) analysis of 208 NSCLC cases were used to evaluate the relationship between RNF38 expression and clinical implications. Prognostic value was assessed by Kaplan-Meier analysis and log-rank tests. Wound-healing assays, trans-well assays, colony formation assays and CCK8 were used to assess cell migration, invasion and proliferative ability respectively. The analysis of epithelial-to-mesenchymal transition (EMT) phenotype was carried out by immunofluorescence and western blot. Results: Our data revealed that elevated RNF38 expression were more common in NSCLC tissues than paired normal tissues in both mRNA (2.82 ± 0.29 vs. 1.23 ± 0.13) and protein (2.75 ± 0.09 vs. 1.24 ± 0.02) level. High levels of RNF38 expression were significantly associated with lymph node metastases, higher TNM stages (p=0.011), larger tumor size (p=2.09E-04) and predicted poor prognosis. RNF38 expression was inversely correlated with E-cadherin expression (P= 0.025). Moreover, downregulation of RNF38 impaired the proliferation, metastatic and invasive abilities in NSCLC cells. In addition, aberrant RNF38 expression could modulate the key molecules of EMT. Conclusions: Our results indicate that elevated expression of RNF38 is significantly associated with the proliferation and metastatic capacity of NSCLC cells, and RNF38 overexpression can serve as a biomarker of NSCLC poor prognosis.
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Affiliation(s)
- Dian Xiong
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China.,Department of Thoracic Surgery, The Affiliated Zhongshan Hospital of Fudan University, Shanghai 200032, P. R. China
| | - Shu-Qiang Zhu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Yong-Bing Wu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Chun Jin
- Department of Thoracic Surgery, The Affiliated Zhongshan Hospital of Fudan University, Shanghai 200032, P. R. China
| | - Jia-Hao Jiang
- Department of Thoracic Surgery, The Affiliated Zhongshan Hospital of Fudan University, Shanghai 200032, P. R. China
| | - Yun-Fei Liao
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Xiang Long
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Hai-Bo Wu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Jian-Jun Xu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Province 330000, P. R. China
| | - Ji-Jun Li
- Department of Cardio-Thoracic Surgery, Kashgar Prefecture Second People's Hospital, Kashgar, Xinjiang 844000, China
| | - Jian-Yong Ding
- Department of Thoracic Surgery, The Affiliated Zhongshan Hospital of Fudan University, Shanghai 200032, P. R. China
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20
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Stumbryte A, Gudleviciene Z, Kundrotas G, Dabkeviciene D, Kunickaite A, Cicenas S. Individual and combined effect of TP53, MDM2, MDM4, MTHFR, CCR5, and CASP8 gene polymorphisms in lung cancer. Oncotarget 2017; 9:3214-3229. [PMID: 29423041 PMCID: PMC5790458 DOI: 10.18632/oncotarget.22756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 11/01/2017] [Indexed: 01/10/2023] Open
Abstract
Lung cancer (LC) is the second common and with the highest mortality oncological disease. Specific biomarkers for its diagnostics, treatment, and prognosis are still under the investigations. Aim of our study was to evaluate the relationship between the polymorphisms of TP53 pathway genes TP53, MDM2, MDM4, the polymorphisms of HPV-associated genes MTHFR, CASP8, CCR5, and HPV infection with survival of LC patients. SNPs were genotyped using PCR-RFLP. qRT-PCR was used to detect, identify, and quantify HPV. No statistically significant differences were detected between individual SNPs and patient survival with stage I-IV LC. Cluster analysis of SNPs in genes MDM4 A/A, CCR5 wt/Δ32, MTHFR C/T, MDM2 T/T showed possible association with the worse survival. Patients who were diagnosed with C/T polymorphic variant of gene MTHFR tend not to survive stage III-IV LC (P = .12). There is a tendency between MDM2 gene T/T variant and worse survival of patients diagnosed with late stage LC (P = .11). HPV infection is very rear among LC patients (3 of 92). Overall, there is a link, although statistically insignificant, between specific SNPs and LC patient survival frequency and time, meanwhile the combination of specific SNPs showed a statistically significant measure. In conclusion, we determined statistically significant (P = .04) link between the poor survival of LC patients after surgery and the combination of polymorphic variants C/T of the MTHFR and T/T of the MDM2 genes, whereas individually these SNPs do not show significant relationship with the survival of patients after surgery.
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Affiliation(s)
- Ausra Stumbryte
- Biobank, National Cancer Institute, LT-08660 Vilnius, Lithuania.,Institute of Biosciences, Vilnius University Life Sciences Center, LT-10257 Vilnius, Lithuania
| | | | | | - Daiva Dabkeviciene
- Institute of Biosciences, Vilnius University Life Sciences Center, LT-10257 Vilnius, Lithuania
| | - Agne Kunickaite
- Department of Human and Medical Genetics, Faculty of Medicine, Vilnius University, LT-08661 Vilnius, Lithuania
| | - Saulius Cicenas
- Department of Thoracic Surgery and Oncology, National Cancer Institute, LT-08660 Vilnius, Lithuania.,Faculty of Medicine, Vilnius University, LT-03101 Vilnius, Lithuania
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21
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Duan X, Li J. Association between MDM2 SNP309, p53 Arg72Pro, and hepatocellular carcinoma risk: A MOOSE-compliant meta-analysis. Medicine (Baltimore) 2017; 96:e7856. [PMID: 28885338 PMCID: PMC6392589 DOI: 10.1097/md.0000000000007856] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Epidemiological studies have determined the associations between polymorphisms on the promoter of MDM2 (SNP309) and the codon 72 on exon 4 of p53 (p53 Arg72Pro) and the risk of hepatocellular carcinoma (HCC); however, the results were not always consistent. The aim of the present meta-analysis was to evaluate the overall associations between these 2 variants and HCC risk.The MEDLINE, Web of science, EMBASE, Cochrane Library, and CNKI databases were searched for eligibility studies and the data were synthesized under the fixed- or random-effects model. Heterogeneity among the studies was evaluated with the Cochrane test Q and I statistic.For MDM2 SNP309, the pooled odds ratio (OR) from 15 independent studies with a total of 4038 cases and 5491 controls suggested a significant association for the variant with HCC risk [allele model, G vs T: pooled OR = 1.48, 95% confidence interval (95% CI) = 1.26-1.73; pooled OR = 1.53, 95% CI = 1.26-1.81, for G/T vs T/T; pooled OR = 2.04, 95% CI = 1.54-2.71 for G/G vs T/T]. For p53 Arg72Pro, a total of 21 studies with 7285 cases and 9710 controls suggested that the variant was also associated with HCC risk under common genetic model (allele Pro vs Arg, pooled OR = 1.13, 95% CI = 1.02-1.25; Pro/Pro vs Arg/Arg, pooled OR = 1.32, 95% CI =1.06-1.64). No publication bias was found for all the meta-analysis as suggested by the Begg funnel plot and Egger tests.These results suggested that variants MDM2 SNP309 and p53 Arg72Pro are susceptibility factors for HCC; however, more studies are warranted to validate the results.
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Affiliation(s)
- Xiaohua Duan
- School of Life Science and Technology, ShanghaiTech University
| | - Jingquan Li
- School of Public Health, Shanghai Jiao Tong University, Shanghai, China
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22
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MDM2 gene polymorphisms and risk of classic Kaposi's sarcoma among Iranian patients. Med Microbiol Immunol 2017; 206:157-163. [PMID: 28083704 DOI: 10.1007/s00430-016-0491-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Accepted: 12/27/2016] [Indexed: 12/30/2022]
Abstract
A single-nucleotide polymorphism (SNP) in the promoter region of MDM2 (SNP309T>G, rs2279744) has been shown to increase the expression of the MDM2 protein in various cancer types. However, only one study has analyzed the role of the MDM2 polymorphism in the development of Kaposi's sarcoma (KS). The association of MDM2 SNP309 with classic KS risk was evaluated in 79 Iranian patients with classic KS and 123 healthy controls. The MDM2 SNP309 was genotyped using PCR and restriction fragment length polymorphism methods. No significant correlation was found between the SNP309 polymorphism in MDM2 promoter and classic KS risk. There was no significant correlation between gender and disease stage. However, a significant association was found between SNP309 GG genotype and younger age (≤50 years) (odds ratio 9.5, 95% confidence intervals 1.5-60, p = 0.03). Our findings support no major role for the MDM2 SNP309 in KS development although it might influence the clinical outcome of KS in younger patients.
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23
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Singh SK, Lillard JW, Singh R. Molecular basis for prostate cancer racial disparities. Front Biosci (Landmark Ed) 2017; 22:428-450. [PMID: 27814623 DOI: 10.2741/4493] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Prostate cancer (PCa) remains the most common cancer in American men. African-American (AA) men continue to have higher PCa prevalence and mortality rates compared to men in other populations. In addition to socioeconomic factors and lifestyle differences, molecular alterations contribute to this discrepancy. We summarize molecular genetics research results interrelated with the biology of PCa racial disparity. Androgen and androgen receptor (AR) pathways have long been associated with prostate growth. Racial differences have also been found among variants of genes of the enzymes involved in androgen biosynthesis and metabolism. Growth factors and their receptors are a potential cause of the disparity in PCa. Recent molecular and biotechnological approaches in the field of proteomics and genomics will greatly aid the advancement of translational research on racial disparity in PCa, which may help, in finding new prognostic markers and novel therapeutic approaches for the treatment of PCa in AA.
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Affiliation(s)
- Santosh K Singh
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, Georgia 30310
| | - James W Lillard
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, Georgia 30310
| | - Rajesh Singh
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, Georgia 30310,
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24
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Yamamoto Y, Kiyohara C, Ogata-Suetsugu S, Hamada N, Nakanishi Y. Association between genetic polymorphisms involved in the hypoxia-inducible factor pathway and lung cancer risk: a case-control study in Japan. Asia Pac J Clin Oncol 2016; 13:234-242. [PMID: 27981753 DOI: 10.1111/ajco.12640] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 09/27/2016] [Accepted: 10/03/2016] [Indexed: 01/18/2023]
Abstract
AIM Hypoxia-inducible factor (HIF) contributes to the adaptation of tumor cells to hypoxic conditions, so genetic polymorphisms involved in this pathway may affect cellular response to hypoxia and be associated with cancer risk. Thus, we examined the association between the lung cancer risk and genetic polymorphisms involved in the HIF pathway. METHODS This case-control study consists of 462 lung cancer cases and 379 controls from Japan. We examined the effect of HIF1A rs11549467, HIF1A rs11549465, HIF1A rs2057482, HIF2A rs13419896 and vascular endothelial growth factor A (VEGFA) rs833061 on the risk of lung cancer using TaqMan real-time PCR assay. Logistic regression was used to estimate the odds ratio (OR) and its 95% confidence interval (CI) of lung cancer risk. The multiplicative and additive interactions with cigarette smoking were also examined. RESULTS The AA genotype of HIF2A rs13419896 (OR = 0.54, 95% CI = 0.30-0.99) and the CC genotype of VEGFA rs833061 (OR = 0.42, 95% CI = 0.24-0.75) were significantly associated with a decreased risk of lung cancer after adjustment of potential covariates. Additive interactions between these two polymorphisms and cigarette smoking were also significant. CONCLUSION HIF2A rs13419896 and VEGFA rs833061 were significantly related to lung cancer risk, with possible interaction between polymorphisms and cigarette smoking. Further studies are needed to confirm these results.
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Affiliation(s)
- Yuzo Yamamoto
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan.,Department of Preventive Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
| | - Chikako Kiyohara
- Department of Preventive Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
| | - Saiko Ogata-Suetsugu
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
| | - Naoki Hamada
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
| | - Yoichi Nakanishi
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
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25
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MDM2 promoter SNP55 (rs2870820) affects risk of colon cancer but not breast-, lung-, or prostate cancer. Sci Rep 2016; 6:33153. [PMID: 27624283 PMCID: PMC5022009 DOI: 10.1038/srep33153] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 08/22/2016] [Indexed: 12/11/2022] Open
Abstract
Two functional SNPs (SNP285G > C; rs117039649 and SNP309T > G; rs2279744) have previously been reported to modulate Sp1 transcription factor binding to the promoter of the proto-oncogene MDM2, and to influence cancer risk. Recently, a third SNP (SNP55C > T; rs2870820) was also reported to affect Sp1 binding and MDM2 transcription. In this large population based case-control study, we genotyped MDM2 SNP55 in 10,779 Caucasian individuals, previously genotyped for SNP309 and SNP285, including cases of colon (n = 1,524), lung (n = 1,323), breast (n = 1,709) and prostate cancer (n = 2,488) and 3,735 non-cancer controls, as well as 299 healthy African-Americans. Applying the dominant model, we found an elevated risk of colon cancer among individuals harbouring SNP55TT/CT genotypes compared to the SNP55CC genotype (OR = 1.15; 95% CI = 1.01-1.30). The risk was found to be highest for left-sided colon cancer (OR = 1.21; 95% CI = 1.00-1.45) and among females (OR = 1.32; 95% CI = 1.01-1.74). Assessing combined genotypes, we found the highest risk of colon cancer among individuals harbouring the SNP55TT or CT together with the SNP309TG genotype (OR = 1.21; 95% CI = 1.00-1.46). Supporting the conclusions from the risk estimates, we found colon cancer cases carrying the SNP55TT/CT genotypes to be diagnosed at younger age as compared to SNP55CC (p = 0.053), in particular among patients carrying the SNP309TG/TT genotypes (p = 0.009).
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26
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Oliner JD, Saiki AY, Caenepeel S. The Role of MDM2 Amplification and Overexpression in Tumorigenesis. Cold Spring Harb Perspect Med 2016; 6:cshperspect.a026336. [PMID: 27194168 DOI: 10.1101/cshperspect.a026336] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Mouse double minute 2 (MDM2) is a critical negative regulator of the tumor suppressor p53, playing a key role in controlling its transcriptional activity, protein stability, and nuclear localization. MDM2 expression is up-regulated in numerous cancers, resulting in a loss of p53-dependent activities, such as apoptosis and cell-cycle arrest. Genetic amplification and inheritance of MDM2 promoter single-nucleotide polymorphisms (SNPs) are the two best-studied mechanisms for up-regulating MDM2 activity. This article provides an overview of these events in human cancer, highlighting the frequent occurrence of MDM2 amplification in sarcoma and the role of SNP309 and SNP285 in regulating MDM2 expression and cancer risk. The availability of large-scale genomic profiling datasets, like those from The Cancer Genome Atlas Research Network, have provided the opportunity to evaluate the consequences of MDM2 amplification and SNP inheritance across high-quality tumor samples from diverse cancer indications.
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Affiliation(s)
| | - Anne Y Saiki
- Oncology Research, Amgen, Thousand Oaks, California 91320
| | - Sean Caenepeel
- Oncology Research, Amgen, Thousand Oaks, California 91320
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27
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Deben C, Deschoolmeester V, Lardon F, Rolfo C, Pauwels P. TP53 and MDM2 genetic alterations in non-small cell lung cancer: Evaluating their prognostic and predictive value. Crit Rev Oncol Hematol 2015; 99:63-73. [PMID: 26689115 DOI: 10.1016/j.critrevonc.2015.11.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 10/23/2015] [Accepted: 11/26/2015] [Indexed: 12/16/2022] Open
Abstract
The p53 pathway has been extensively studied for its role in carcinogenesis. Disruption of the pathway occurs in more than half of all cancers, often leading to a worse prognosis for the patient. In recent years several compounds have been successfully developed to target and restore the p53 pathway, either by blocking the MDM2-p53 interaction, restoring wild type conformation of mutant p53, or exploiting the presence of mutant p53 by blocking DNA damage repair pathways. In this review the known data on the role of p53 on prognosis and response to commonly used chemotherapeutics in non-small cell lung cancer is summarized. The focus is on the presence of genetic alterations in the TP53 or MDM2 gene, p53's main negative regulator. In addition, promising therapeutic options will be discussed in relation to specific alterations in the p53 pathway.
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Affiliation(s)
- Christophe Deben
- Center for Oncological Research (CORE), University of Antwerp, Antwerp, Belgium; Department of Pathology, Antwerp University Hospital, Antwerp, Belgium
| | - Vanessa Deschoolmeester
- Center for Oncological Research (CORE), University of Antwerp, Antwerp, Belgium; Department of Pathology, Antwerp University Hospital, Antwerp, Belgium
| | - Filip Lardon
- Center for Oncological Research (CORE), University of Antwerp, Antwerp, Belgium
| | - Christian Rolfo
- Department of Medical Oncology, Antwerp University Hospital, Antwerp, Belgium; Phase-1 Early Clinical Trials Unit, Antwerp University Hospital, Antwerp, Belgium.
| | - Patrick Pauwels
- Center for Oncological Research (CORE), University of Antwerp, Antwerp, Belgium; Department of Pathology, Antwerp University Hospital, Antwerp, Belgium
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28
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Wang X, Jin L, Cui J, Ma K, Chen X, Li W. Mouse double minute-2 homolog (MDM2)-rs2279744 polymorphism associated with lung cancer risk in a Northeastern Chinese population. Thorac Cancer 2015; 6:91-6. [PMID: 26273341 PMCID: PMC4448458 DOI: 10.1111/1759-7714.12153] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 07/16/2014] [Indexed: 12/02/2022] Open
Abstract
Background Altered expression or function of mouse double minute-2 (MDM2) protein could contribute to lung carcinogenesis; thus, this study investigated MDM2-rs2279744 polymorphism together with other epidemiologic factors for their association with lung cancer risk. Methods A total of 500 lung cancer patients and 500 age and gender-matched healthy controls living in Northeastern China were recruited for genotyping of MDM2-rs2279744. Clinicopathological data was collected and subjected to univariate and multivariate analyses. Results In univariate analysis, the MDM2-rs2279744 G/G genotype versus T/T + T/G genotypes showed a tendency toward a higher incidence of lung cancer in the recessive model (P = 0.043). However, there were no significant differences when it was analyzed by the dominant, additive, or multiplicative models. A significantly increased lung cancer risk was observed associated with lower education level, lower body mass index, cancer family history, prior diagnosis of chronic obstructive pulmonary disease and pneumonia, exposure to pesticide or gasoline/diesel, tobacco smoking, and heavy cooking emissions when assessed by multivariate analyses. Moreover, MDM2-rs2279744 was still a significant risk factor even after incorporating environmental and lifestyle factors. However, there was no association between MDM2-rs2279744 and other factors. Conclusions The MDM2-rs2279744 G/G genotype was associated with a higher lung cancer risk, even after incorporating other epidemiologic factors.
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Affiliation(s)
- Xu Wang
- Cancer Center, First Affiliated Hospital, Jilin University Changchun, China
| | - Lina Jin
- School of Public Health, Jilin University Changchun, China
| | - Jiuwei Cui
- Cancer Center, First Affiliated Hospital, Jilin University Changchun, China
| | - Kewei Ma
- Cancer Center, First Affiliated Hospital, Jilin University Changchun, China
| | - Xiao Chen
- Cancer Center, First Affiliated Hospital, Jilin University Changchun, China
| | - Wei Li
- Cancer Center, First Affiliated Hospital, Jilin University Changchun, China
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29
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Zheng D, Chen Y, Gao C, Wei Y, Cao G, Lu N, Hou Y, Jiang X, Wang J. Polymorphisms of p53 and MDM2 genes are associated with severe toxicities in patients with non-small cell lung cancer. Cancer Biol Ther 2015; 15:1542-51. [PMID: 25482940 DOI: 10.4161/15384047.2014.956599] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Adverse events in platinum-based chemotherapy for patients with advanced non-small cell lung cancer (NSCLC) are major challenges. In this study, we investigated the role of the p53 and MDM2 genes in predicting adverse events in NSCLC patients treated with platinum-based chemotherapy. Specifically, we examined the p53 p. Pro72Arg (rs1042522), MDM2 c.14 + 309T>G (rs2279744) and MDM2 c.- 461C > G (rs937282) polymorphisms using PCR-based restriction fragment length polymorphism (RFLP) in 444 NSCLC patients. We determine that MDM2 c.14 + 309T > G was significantly associated with severe hematologic and overall toxicities for advanced NSCLC patients treated with platinum-based chemotherapy, especially for patients aged 57 and younger. This was also true for patients with adenocarcinoma. Second, we determine that severe gastrointestinal toxicities in patients with heterozygous MDM2 c.-461C > G were significantly higher than in patients with the G/G genotype. Third, patients with the MDM2 c.-461C > G - c.14 + 309T > G CT haplotype show much higher toxicities than those of CG haplotype. Moreover, patients carrying the MDM2 c.-461 > G -c.14 + 309T > G CG/CT diplotype exhibited higher toxicities than those carrying CG/CG. Fourth, we found that the p53 p. Pro72Arg polymorphism interacts with both age and genotype. In addition, no significant associations were observed between the 3 SNPs and the response to first-line platinum-based chemotherapy in advanced NSCLC patients. In summary, we found that the p53 p. Pro72Arg, MDM2 c.14 + 309T > G and MDM2 c.-461C > G polymorphisms are associated with toxicity risks following platinum-based chemotherapy treatment in advanced NSCLC patients. We suggest that MDM2 c.14 + 309T > G may be used as a candidate biomarker to predict adverse events in advanced NSCLC patients who had platinum-based chemotherapy treatment.
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Key Words
- CBR, clinical benefit rate
- CR, complete response
- MDM2
- NSCLC, non-small cell lung cancer
- ORR, objective response rate
- PCR-RFLP, PCR-based restriction fragment length polymorphism
- PD, progressive disease
- PR, partial response
- PS, performance status
- SCLC, small-cell lung cancer
- SD, stable disease
- SNP, single nucleotide polymorphism
- TNM, tumor/node/metastasis
- non-small cell lung cancer
- p53
- polymorphism
- toxicity
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Affiliation(s)
- Datong Zheng
- a Department of Biological Science and Technology and State Key Laboratory of Pharmaceutical Biotechnology; School of Life Sciences ; Nanjing University ; Nanjing , China
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30
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Qian J, Liu H, Gu S, Wu Q, Zhao X, Wu W, Wang H, Wang J, Chen H, Zhang W, Wei Q, Jin L, Lu D. Genetic Variants of the MDM2 Gene Are Predictive of Treatment-Related Toxicities and Overall Survival in Patients With Advanced NSCLC. Clin Lung Cancer 2015; 16:e37-53. [PMID: 25818095 DOI: 10.1016/j.cllc.2015.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 02/09/2015] [Accepted: 02/10/2015] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Platinum agents can cause the formation of DNA adducts and induce apoptosis to eliminate tumor cells. The aim of the present study was to investigate the influence of genetic variants of MDM2 on chemotherapy-related toxicities and clinical outcomes in patients with advanced non-small-cell lung cancer (NSCLC). MATERIALS AND METHODS We recruited 663 patients with advanced NSCLC who had been treated with first-line platinum-based chemotherapy. Five tagging single nucleotide polymorphisms (SNPs) in MDM2 were genotyped in these patients. The associations of these SNPs with clinical toxicities and outcomes were evaluated using logistic regression and Cox regression analyses. RESULTS Two SNPs (rs1470383 and rs1690924) showed significant associations with chemotherapy-related toxicities (ie, overall, hematologic, and gastrointestinal toxicity). Compared with the wild genotype AA carriers, patients with the GG genotype of rs1470383 had an increased risk of overall toxicity (odds ratio [OR], 3.28; 95% confidence interval [CI], 1.34-8.02; P = .009) and hematologic toxicity (OR, 4.10; 95% CI, 1.73-9.71; P = .001). Likewise, patients with the AG genotype of rs1690924 showed more sensitivity to gastrointestinal toxicity than did those with the wild-type homozygote GG (OR, 2.32; 95% CI, 1.30-4.14; P = .004). Stratified survival analysis revealed significant associations between rs1470383 genotypes and overall survival in patients without overall or hematologic toxicity (P = .007 and P = .0009, respectively). CONCLUSION The results of our study suggest that SNPs in MDM2 might be used to predict the toxicities of platinum-based chemotherapy and overall survival in patients with advanced NSCLC. Additional validations of the association are warranted.
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Affiliation(s)
- Ji Qian
- Cancer Institute, Fudan University Shanghai Cancer Center, and Department of Oncology, Fudan University Shanghai Medical College, Shanghai, China; State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China.
| | - Hongliang Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC
| | - Shaohua Gu
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Qihan Wu
- East China Normal University School of Life Science, Shanghai, China
| | - Xueying Zhao
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Wenting Wu
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China; Beyster Center for Genomics of Psychiatric Diseases, Department of Psychiatry, University of California, San Diego, La Jolla, CA
| | - Haijian Wang
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Jiucun Wang
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Hongyan Chen
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Wei Zhang
- Department of Respiratory Disease, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Qingyi Wei
- Cancer Institute, Fudan University Shanghai Cancer Center, and Department of Oncology, Fudan University Shanghai Medical College, Shanghai, China; Duke Cancer Institute, Duke University Medical Center, Durham, NC
| | - Li Jin
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China
| | - Daru Lu
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Fudan University School of Life Sciences and Fudan Taizhou Institute of Health Sciences, Shanghai, China.
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Gansmo LB, Knappskog S, Romundstad P, Hveem K, Vatten L, Lønning PE. Influence of
MDM2
SNP309 and SNP285 status on the risk of cancer in the breast, prostate, lung and colon. Int J Cancer 2014; 137:96-103. [DOI: 10.1002/ijc.29358] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 11/06/2014] [Indexed: 01/08/2023]
Affiliation(s)
- Liv B. Gansmo
- Section of Oncology, Department of Clinical ScienceUniversity of BergenBergen Norway
- Department of OncologyHaukeland University HospitalBergen Norway
| | - Stian Knappskog
- Section of Oncology, Department of Clinical ScienceUniversity of BergenBergen Norway
- Department of OncologyHaukeland University HospitalBergen Norway
| | - Pål Romundstad
- Department of Public Health, Faculty of MedicineNorwegian University of Science and TechnologyTrondheim Norway
| | - Kristian Hveem
- Department of Public Health, Faculty of MedicineNorwegian University of Science and TechnologyTrondheim Norway
| | - Lars Vatten
- Department of Public Health, Faculty of MedicineNorwegian University of Science and TechnologyTrondheim Norway
| | - Per E. Lønning
- Section of Oncology, Department of Clinical ScienceUniversity of BergenBergen Norway
- Department of OncologyHaukeland University HospitalBergen Norway
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Impact of the Mdm2(SNP309-G) allele on a murine model of colorectal cancer. Oncogene 2014; 34:4412-20. [PMID: 25435368 DOI: 10.1038/onc.2014.377] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 09/26/2014] [Accepted: 10/10/2014] [Indexed: 12/21/2022]
Abstract
A single-nucleotide polymorphism (SNP) in the promoter of the Mdm2 gene (Mdm2(SNP309-G)) results in an increased Mdm2 expression, partial attenuation of the p53 pathway and accelerated tumor development. Clinical case-control studies indicate the Mdm2(SNP309-)(G) allele associates with a significant increase in colorectal cancer (CRC) risk that is heightened in women, but the biological significance of this polymorphism has never been directly evaluated. To examine whether the Mdm2(SNP309-)(G) allele contributes to colorectal cancer, we generated cohorts of mice harboring either the G (minor allelic variant) or T (major allelic variant) allele and treated them with azoxymethane (AOM), a carcinogen that induces sporadic colorectal cancer. Mdm2(SNP309-G/G) mice displayed a significant reduction in survival following AOM treatment with more colonic lesions in a wider distribution throughout the lower and upper colon and an attenuated apoptotic response following exposure. AOM did not significantly induce stabilization of wild-type p53 or activate p53 downstream targets following AOM treatment, regardless of the genotype. Instead, Mdm2(SNP309-G/G) colons had significant changes in the expression of genes that regulate Mdm2 transcription (ERα and Sp1) as well as downstream targets of Mdm2. Together these results suggest the Mdm2(SNP309-)(G) allele significantly impacts CRC through mechanisms outside the p53 pathway.
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33
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Genotyping of intron 22 inversion of factor VIII gene for diagnosis of hemophilia A by inverse-shifting polymerase chain reaction and capillary electrophoresis. Anal Bioanal Chem 2014; 406:5447-54. [DOI: 10.1007/s00216-014-7969-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 06/02/2014] [Accepted: 06/12/2014] [Indexed: 10/25/2022]
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34
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Enokida Y, Shimizu K, Kakegawa S, Atsumi J, Takase Y, Miyamae Y, Nagashima T, Ohtaki Y, Kaira K, Sunaga N, Yanagitani N, Yoshino R, Tsunekawa K, Igai H, Kamiyoshihara M, Usui K, Lezhava A, Tomizawa Y, Ishikawa T, Murakami M, Hayashizaki Y, Takeyoshi I. Single-nucleotide polymorphism (c.309T>G) in the MDM2 gene and lung cancer risk. Biomed Rep 2014; 2:719-724. [PMID: 25054017 DOI: 10.3892/br.2014.305] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 06/13/2014] [Indexed: 02/03/2023] Open
Abstract
Murine double minute 2 (MDM2) is a negative regulator of p53. A single-nucleotide polymorphism (SNP) (rs2279744: c.309T>G) in the promoter region of the MDM2 gene has been shown to result in higher levels of MDM2 RNA and protein. Regarding the contribution of c.309T>G in the MDM2 gene to the lung cancer risk, previous studies are conflicting. In order to evaluate the association between c.309T>G and the lung cancer risk, a case-control study was performed. The MDM2 genotypes were determined in 762 lung cancer patients and in 700 cancer-free control subjects using the Smart Amplification Process. Statistical adjustment was performed for gender, age and pack-years of smoking. The distributions of c.309T>G (T/T, T/G, G/G) were 20.1, 49.7, 30.2% in the case group and 21.7, 47.9, 30.4% in the healthy-control group. There were no overall associations between the MDM2 genotypes and the risk of lung cancer [T/G genotype: Adjusted odds ratio (AOR), 1.30; 95% confidence interval (CI), 0.88-1.93; and G/G genotype: AOR, 1.18; 95% CI, 0.78-1.80]. The subgroup analysis of gender, histology, smoking status and epidermal growth factor receptor mutation status also indicated that there was no association with lung cancer. Additionally, the genotypes did not have an effect on the age at the time of diagnosis of lung cancer (P=0.25). In conclusion, the G allele frequency in the lung cancer cases was 0.551, which was similar to other studies. The results of the present study suggest that the c.309T>G is not significantly associated with lung cancer.
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Affiliation(s)
- Yasuaki Enokida
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Kimihiro Shimizu
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Seiichi Kakegawa
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Jun Atsumi
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Yoshiaki Takase
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Yohei Miyamae
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Toshiteru Nagashima
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Yoichi Ohtaki
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Noriaki Sunaga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Noriko Yanagitani
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Reiko Yoshino
- Department of Internal Medicine, National Hospital Organization Nishi-Gunma Hospital, Shibukawa, Gunma 377-8511, Japan
| | - Katsuhiko Tsunekawa
- Department of Clinical Laboratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Hitoshi Igai
- Department of General Thoracic Surgery, Maebashi Red Cross Hospital, Maebashi, Gunma 371-0014, Japan
| | - Mitsuhiro Kamiyoshihara
- Department of General Thoracic Surgery, Maebashi Red Cross Hospital, Maebashi, Gunma 371-0014, Japan
| | - Kengo Usui
- Division of Genomic Technologies, RIKEN Center for Life Science Technologies, Yokohama, Kanagawa 230-0045, Japan
| | - Alexander Lezhava
- Division of Genomic Technologies, RIKEN Center for Life Science Technologies, Yokohama, Kanagawa 230-0045, Japan
| | - Yoshio Tomizawa
- Department of Internal Medicine, National Hospital Organization Nishi-Gunma Hospital, Shibukawa, Gunma 377-8511, Japan
| | - Toshihisa Ishikawa
- NGO Personalized Medicine and Healthcare, Yokohama, Kanagawa 226-0016, Japan
| | - Masami Murakami
- Department of Clinical Laboratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Yoshihide Hayashizaki
- RIKEN Preventive Medicine and Diagnosis Innovation Program, Yokohama, Kanagawa 230-0045, Japan
| | - Izumi Takeyoshi
- Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
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Ren YW, Yin ZH, Wan Y, Guan P, Wu W, Li XL, Zhou BS. P53 Arg72Pro and MDM2 SNP309 polymorphisms cooperate to increase lung adenocarcinoma risk in Chinese female non-smokers: a case control study. Asian Pac J Cancer Prev 2014; 14:5415-20. [PMID: 24175836 DOI: 10.7314/apjcp.2013.14.9.5415] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Cell cycle deregulation is a major component of carcinogenesis. The p53 tumor suppressor gene plays an important role in regulating cell cycle arrest, and mouse double minute 2 (MDM2) is a key regulator of p53 activity and degradation. Abnormal expression of p53 and MDM2 occurs in various cancers including lung cancer. METHODS We investigated the distribution of the p53 Arg72Pro (rs1042522) and MDM2 SNP309 (rs2279744) genotypes in patients and healthy control subjects to assess whether these single nucleotide polymorphisms (SNPs) are associated with an increased risk of lung adenocarcinomas in Chinese female non- smokers. Genotypes of 764 patients and 983 healthy controls were determined using the TaqMan SNP genotyping assay. RESULTS The p53 Pro/Pro genotype (adjusted OR = 1.55, 95% CI = 1.17-2.06) significantly correlated with an increased risk of lung adenocarcinoma, compared with the Arg/Arg genotype. An increased risk was also noted for MDM2 GG genotype (adjusted OR = 1.68, 95% CI = 1.27-2.21) compared with the TT genotype. Combined p53 Pro/Pro and MDM2 GG genotypes (adjusted OR = 2.66, 95% CI = 1.54-4.60) had a supermultiplicative interaction with respect to lung adenocarcinoma risk. We also found that cooking oil fumes, fuel smoke, and passive smoking may increase the risk of lung adenocarcinomas in Chinese female non-smokers who carry p53 or MDM2 mutant alleles. CONCLUSIONS P53 Arg72Pro and MDM2 SNP309 polymorphisms, either alone or in combination, are associated with an increased lung adenocarcinoma risk in Chinese female non-smokers.
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Affiliation(s)
- Yang-Wu Ren
- Department of Epidemiology, School of Public Health, China Medical University, Shenyang 110001, PR China E-mail :
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36
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Wang W, Du M, Gu D, Zhu L, Chu H, Tong N, Zhang Z, Xu Z, Wang M. MDM2 SNP309 polymorphism is associated with colorectal cancer risk. Sci Rep 2014; 4:4851. [PMID: 24797837 PMCID: PMC5381279 DOI: 10.1038/srep04851] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Accepted: 04/14/2014] [Indexed: 01/02/2023] Open
Abstract
The human murine double minute 2 (MDM2) is known as an oncoprotein through inhibiting P53 transcriptional activity and mediating P53 ubiquitination. Therefore, the amplification of MDM2 may attenuate the P53 pathway and promote tumorigenesis. The SNP309 T>G polymorphism (rs2279744), which is located in the intronic promoter of MDM2 gene, was reported to contribute to the increased level of MDM2 protein. In this hospital-based case-control study, which consisted of 573 cases and 588 controls, we evaluated the association between MDM2 SNP309 and the risk of colorectal cancer (CRC) in a Chinese population by using the TaqMan method to genotype the polymorphism. We found that the MDM2 SNP309 polymorphism was significantly associated with CRC risk. In addition, in our meta-analysis, we found a significant association between MDM2 SNP309 and CRC risk among Asians, which was consistent with our results. In conclusion, we demonstrated that the MDM2 SNP309 polymorphism increased the susceptibility of CRC in Asian populations.
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Affiliation(s)
- Weizhi Wang
- 1] Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China [2] Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China [3]
| | - Mulong Du
- 1] Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China [2] Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China [3]
| | - Dongying Gu
- 1] Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China [2]
| | - Lingjun Zhu
- Department of Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Haiyan Chu
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
| | - Na Tong
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
| | - Zhengdong Zhang
- 1] Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China [2] Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Zekuan Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Meilin Wang
- 1] Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China [2] Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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Kong Q, Li P, Tian Q, Ha MW. Role of MDM2 T309G Polymorphism in Susceptibility and Prognosis of Nonsmall Cell Lung Cancer: A Meta-Analysis. Genet Test Mol Biomarkers 2014; 18:357-65. [PMID: 24673452 DOI: 10.1089/gtmb.2013.0506] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Qian Kong
- Department of Oncology, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, People's Republic of China
| | - Ping Li
- Department of Oncology, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, People's Republic of China
| | - Qiong Tian
- College of Social Sciences, Liaoning Medical University, Jinzhou, People's Republic of China
| | - Min-Wen Ha
- Department of Oncology, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, People's Republic of China
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38
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Loginov VI, Atkarskaya MV, Burdennyy AM, Zavarykina TM, Kazubskaya TP, Nosikov VV, Braga EA, Zhizhina GP. Association of Arg72Pro of TP53 and T309G of MDM2 genes polymorphisms with non-small-cell lung cancer in Russians of the Moscow region. Mol Biol 2014. [DOI: 10.1134/s0026893314010099] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Deb SP, Singh S, Deb S. MDM2 overexpression, activation of signaling networks, and cell proliferation. Subcell Biochem 2014; 85:215-34. [PMID: 25201197 DOI: 10.1007/978-94-017-9211-0_12] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Frequent overexpression of MDM2 in human cancers suggests that the protein confers a survival advantage to cancer cells. However, overexpression of MDM2 in normal cells seems to restrict cell proliferation. This review discusses the cell growth regulatory functions of MDM2 in normal and genetically defective cells to assess how cancer cells evade the growth-restricting consequence of MDM2 overexpression. Similar to oncoproteins that induce a DNA damage response and oncogene induced senescence in non-transformed cells, MDM2 induces G1-arrest and intra-S phase checkpoint responses that control untimely DNA replication in the face of genetic challenges.
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Affiliation(s)
- Swati Palit Deb
- Department of Biochemistry and Molecular Biology, and the Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, 23298, USA,
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40
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Peng Q, Lao X, Chen Z, Lai H, Deng Y, Wang J, Mo C, Sui J, Wu J, Zhai L, Yang S, Qin X, Li S. TP53 and MDM2 gene polymorphisms, gene-gene interaction, and hepatocellular carcinoma risk: evidence from an updated meta-analysis. PLoS One 2013; 8:e82773. [PMID: 24376578 PMCID: PMC3871586 DOI: 10.1371/journal.pone.0082773] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Accepted: 10/28/2013] [Indexed: 01/08/2023] Open
Abstract
Background The association between TP53 R72P and/or MDM2 SNP309 polymorphisms and hepatocellular carcinoma (HCC) risk has been widely reported, but results were inconsistent. To clarify the effects of these polymorphisms on HCC risk, an updated meta-analysis of all available studies was conducted. Methods Eligible articles were identified by search of databases including PubMed, Cochrane Library, EMBASE and Chinese Biomedical Literature database (CBM) for the period up to July 2013. Data were extracted by two independent authors and pooled odds ratio (OR) with 95% confidence interval (CI) was calculated. Metaregression and subgroup analyses were performed to identify the source of heterogeneity. Results Finally, a total of 10 studies including 2,243 cases and 3,615 controls were available for MDM2 SNP309 polymorphism and 14 studies containing 4,855 cases and 6,630 controls were included for TP53 R72P polymorphism. With respect to MDM2 SNP309 polymorphism, significantly increased HCC risk was found in the overall population. In subgroup analysis by ethnicity and hepatitis virus infection status, significantly increased HCC risk was found in Asians, Caucasians, Africans, and HCV positive patients. With respect to TP53 R72P polymorphism, no significant association with HCC risk was observed in the overall and subgroup analyses. In the MDM2 SNP309–TP53 R72P interaction analysis, we found that subjects with MDM2 309TT and TP53 Pro/Pro genotype, MDM2 309 TG and TP53 Arg/Pro genotype, and MDM2 309 GG and TP53 Pro/Pro genotype were associated with significantly increased risk of developing HCC as compared with the reference MDM2 309TT and TP53 Arg/Arg genotype. Conclusions We concluded that MDM2 SNP309 polymorphism may play an important role in the carcinogenesis of HCC. In addition, our findings further suggest that the combination of MDM2 SNP 309 and TP53 Arg72Pro genotypes confers higher risk to develop HCC. Further large and well-designed studies are needed to confirm this association.
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Affiliation(s)
- Qiliu Peng
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xianjun Lao
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Zhiping Chen
- Department of Occupational Health and Environmental Health, School of Public Health at Guangxi Medical University, Nanning, Guangxi, China
| | - Hao Lai
- Department of Gastrointestinal Surgery, Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Yan Deng
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Jian Wang
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Cuiju Mo
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Jingzhe Sui
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Junrong Wu
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Limin Zhai
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Shi Yang
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xue Qin
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- * E-mail: (XQ); (SL)
| | - Shan Li
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- * E-mail: (XQ); (SL)
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Chen YS, Qiu XB. Ubiquitin at the crossroad of cell death and survival. CHINESE JOURNAL OF CANCER 2013; 32:640-7. [PMID: 23816559 PMCID: PMC3870847 DOI: 10.5732/cjc.012.10283] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 02/20/2013] [Accepted: 03/15/2013] [Indexed: 12/19/2022]
Abstract
Ubiquitination is crucial for cellular processes, such as protein degradation, apoptosis, autophagy, and cell cycle progression. Dysregulation of the ubiquitination network accounts for the development of numerous diseases, including cancer. Thus, targeting ubiquitination is a promising strategy in cancer therapy. Both apoptosis and autophagy are involved in tumorigenesis and response to cancer therapy. Although both are categorized as types of cell death, autophagy is generally considered to have protective functions, including protecting cells from apoptosis under certain cellular stress conditions. This review highlights recent advances in understanding the regulation of apoptosis and autophagy by ubiquitination.
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Affiliation(s)
- Yu-Shan Chen
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, and College of Life Sciences, Beijing Normal University, Beijing 100875, P. R. China.
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Ruocco E, Ruocco V, Tornesello ML, Gambardella A, Wolf R, Buonaguro FM. Kaposi's sarcoma: etiology and pathogenesis, inducing factors, causal associations, and treatments: facts and controversies. Clin Dermatol 2013; 31:413-422. [PMID: 23806158 PMCID: PMC7173141 DOI: 10.1016/j.clindermatol.2013.01.008] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Kaposi's sarcoma (KS), an angioproliferative disorder, has a viral etiology and a multifactorial pathogenesis hinged on an immune dysfunction. The disease is multifocal, with a course ranging from indolent, with only skin manifestations to fulminant, with extensive visceral involvement. In the current view, all forms of KS have a common etiology in human herpesvirus (HHV)-8 infection, and the differences among them are due to the involvement of various cofactors. In fact, HHV-8 infection can be considered a necessary but not sufficient condition for the development of KS, because further factors (genetic, immunologic, and environmental) are required. The role of cofactors can be attributed to their ability to interact with HHV-8, to affect the immune system, or to act as vasoactive agents. In this contribution, a survey of the current state of knowledge on many and various factors involved in KS pathogenesis is carried out, in particular by highlighting the facts and controversies about the role of some drugs (quinine analogues and angiotensin-converting enzyme inhibitors) in the onset of the disease. Based on these assessments, it is possible to hypothesize that the role of cofactors in KS pathogenesis can move toward an effect either favoring or inhibiting the onset of the disease, depending on the presence of other agents modulating the pathogenesis itself, such as genetic predisposition, environmental factors, drug intake, or lymph flow disorders. It is possible that the same agents may act as either stimulating or inhibiting cofactors according to the patient’s genetic background and variable interactions. Treatment guidelines for each form of KS are outlined, because a unique standard therapy for all of them cannot be considered due to KS heterogeneity. In most cases, therapeutic options, both local and systemic, should be tailored to the patient’s peculiar clinical conditions.
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Affiliation(s)
- Eleonora Ruocco
- Department of Dermatology, Second University of Naples, via S. Pansini, 5 - 80131 Naples, Italy
| | - Vincenzo Ruocco
- Department of Dermatology, Second University of Naples, via S. Pansini, 5 - 80131 Naples, Italy.
| | - Maria Lina Tornesello
- Molecular Biology and Viral Oncology and AIDS Reference Centre, National Cancer Institute, "Fondazione Pascale," via M. Semmola - 80131 Naples, Italy
| | - Alessio Gambardella
- Department of Dermatology, Second University of Naples, via S. Pansini, 5 - 80131 Naples, Italy
| | - Ronni Wolf
- Dermatology Unit, Kaplan Medical Center, Rehovot 76100 Israel; The School of Medicine, Hebrew University and Hadassah Medical Center, Jerusalem, Israel
| | - Franco M Buonaguro
- Molecular Biology and Viral Oncology and AIDS Reference Centre, National Cancer Institute, "Fondazione Pascale," via M. Semmola - 80131 Naples, Italy
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Hitzenbichler F, Stoehr CG, Rogenhofer M, Wieland WF, Ruemmele P, Hartmann A, Stoehr R. Mdm2 SNP309 G-variant is associated with invasive growth of human urinary bladder cancer. Pathobiology 2013; 81:53-9. [PMID: 24217660 DOI: 10.1159/000355976] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 09/24/2013] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Human mouse double minute 2 (Mdm2) is essential in degrading p53 by acting as an ubiquitin ligase and therefore plays a vital role in cell cycle and survival. The G-variant of the Mdm2 SNP309, which is located within the promoter of the Mdm2 gene, increases expression of Mdm2 and thereby inhibits the p53 pathway. Several studies have investigated the influence of this SNP on disease risk and onset of various malignancies. The impact of Mdm2 SNP309 on bladder cancer is still to be established due to inconsistent data. METHODS In a case-control study we determined the distribution of Mdm2 SNP309 genotypes in 111 patients with an early-onset bladder cancer (diagnosis <45 years of age), in 113 consecutive bladder cancer patients and in a control group consisting of 140 patients without any malignancy. RESULTS There was no significant association between the allelic distribution of the Mdm2 SNP309 and tumor risk, early onset, gender or grade of the tumor. According to tumor stage we found a significant difference in the distribution of the Mdm2 SNP309 between patients with noninvasive and invasive (≥pT1) tumor growth (p = 0.016). In patients with invasive tumors a significant increase of the G allele was found (T/T vs. T/G + G/G; p = 0.023; OR 2.203, 95% CI 1.111-4.369). CONCLUSION These data indicate that the G-variant of the Mdm2 SNP309 might influence the development of a more aggressive tumor phenotype in patients with bladder cancer without affecting the overall tumor risk.
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Affiliation(s)
- Florian Hitzenbichler
- Department of Internal Medicine I, Caritas St. Josef Medical Center, University of Regensburg, Regensburg, Germany
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Peng Q, Mo C, Qin A, Lao X, Chen Z, Sui J, Wu J, Zhai L, Yang S, Qin X, Li S. MDM2 SNP309 polymorphism contributes to endometrial cancer susceptibility: evidence from a meta-analysis. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2013; 32:85. [PMID: 24423195 PMCID: PMC4029393 DOI: 10.1186/1756-9966-32-85] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 10/28/2013] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The SNP309 polymorphism (T-G) in the promoter of MDM2 gene has been reported to be associated with enhanced MDM2 expression and tumor development. Studies investigating the association between MDM2 SNP309 polymorphism and endometrial cancer risk reported conflicting results. We performed a meta-analysis of all available studies to explore this association. METHODS All studies published up to August 2013 on the association between MDM2 SNP309 polymorphism and endometrial cancer risk were identified by searching electronic databases PubMed, Web of Science, EMBASE, and Chinese Biomedical Literature database (CBM). The association between the MDM2 SNP309 polymorphism and endometrial cancer risk was assessed by odds ratios (ORs) together with their 95% confidence intervals (CIs). RESULTS Eight case-control studies with 2069 endometrial cancer cases and 4546 controls were identified. Overall, significant increase of endometrial cancer risk was found when all studies were pooled in the meta-analysis (GG vs. TT: OR = 1.464, 95% CI 1.246-1.721, P < 0.001; GG vs. TG + TT: OR = 1.726, 95% CI 1.251-2.380, P = 0.001; GG + TG vs. TT: OR = 1.169, 95% CI 1.048-1.304, P = 0.005). In subgroup analysis by ethnicity and HWE in controls, significant increase of endometrial cancer risks were observed in Caucasians and studies consistent with HWE. In subgroup analysis according to study quality, significant associations were observed in both high quality studies and low quality studies. CONCLUSIONS This meta-analysis suggests that MDM2 SNP309 polymorphism contributes to endometrial cancer susceptibility, especially in Caucasian populations. Further large and well-designed studies are needed to confirm this association.
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Qin X, Peng Q, Tang W, Lao X, Chen Z, Lai H, Deng Y, Mo C, Sui J, Wu J, Zhai L, Yang S, Li S, Zhao J. An updated meta-analysis on the association of MDM2 SNP309 polymorphism with colorectal cancer risk. PLoS One 2013; 8:e76031. [PMID: 24098760 PMCID: PMC3786895 DOI: 10.1371/journal.pone.0076031] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 08/21/2013] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The mouse double minute 2 (MDM2) gene encodes a phosphoprotein that interacts with P53 and negatively regulates its activity. The SNP309 polymorphism (T-G) in the promoter of MDM2 gene has been reported to be associated with enhanced MDM2 expression and tumor development. Studies investigating the association between MDM2 SNP309 polymorphism and colorectal cancer (CRC) risk reported conflicting results. We performed a meta-analysis of all available studies to explore the association of this polymorphism with CRC risk. METHODS All studies published up to July 2013 on the association between MDM2 SNP309 polymorphism and CRC risk were identified by searching electronic databases PubMed, EMBASE, and Chinese Biomedical Literature database (CBM) databases. The association between the MDM2 SNP309 polymorphism and CRC risk was assessed by odds ratios (ORs) together with their 95% confidence intervals (CIs). RESULTS A total of 14 case-control studies including 4460 CRC cases and 4828 controls were identified. We did not find a significant association between the MDM2 SNP309 polymorphism and CRC risk in all genetic models in overall population. However, in subgroup analysis by ethnicity, significant associations were found in Asians (TG vs. TT: OR = 1.197, 95% CI = 1.055-1.358, P=0.005; GG+TG vs. TT: OR = 1.246, 95% CI = 1.106-1.404, P=0.000) and Africans. When stratified by HWE in controls, significantly increased risk was also found among the studies consistent with HWE (TG vs. TT: OR = 1.166, 95% CI = 1.037-1.311, P= 0.010). In subgroup analysis according to p53 mutation status, and gender, no any significant association was detected. CONCLUSIONS The present meta-analysis suggests that the MDM2 is a candidate gene for CRC susceptibility. The MDM2 SNP309 polymorphism may be a risk factor for CRC in Asians.
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Affiliation(s)
- Xue Qin
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Qiliu Peng
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Weizhong Tang
- Department of Anal and Colorectal Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xianjun Lao
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Zhiping Chen
- Department of Occupational Health and Environmental Health, School of Public Health at Guangxi Medical University, Nanning, Guangxi, China
| | - Hao Lai
- Department of Gastrointestinal Surgery, Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Yan Deng
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Cuiju Mo
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Jingzhe Sui
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Junrong Wu
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Limin Zhai
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Shi Yang
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Shan Li
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- * E-mail: (SL); (JZ)
| | - Jinmin Zhao
- Department of Orthopedic Trauma Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- * E-mail: (SL); (JZ)
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Snoek BC, Wilt LHAMD, Jansen G, Peters GJ. Role of E3 ubiquitin ligases in lung cancer. World J Clin Oncol 2013; 4:58-69. [PMID: 23936758 PMCID: PMC3708064 DOI: 10.5306/wjco.v4.i3.58] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 01/10/2013] [Accepted: 06/06/2013] [Indexed: 02/06/2023] Open
Abstract
E3 ubiquitin ligases are a large family of proteins that catalyze the ubiquitination of many protein substrates for targeted degradation by the 26S proteasome. Therefore, E3 ubiquitin ligases play an essential role in a variety of biological processes including cell cycle regulation, proliferation and apoptosis. E3 ubiquitin ligases are often found overexpressed in human cancers, including lung cancer, and their deregulation has been shown to contribute to cancer development. However, the lack of specific inhibitors in clinical trials is a major issue in targeting E3 ubiquitin ligases with currently only one E3 ubiquitin ligase inhibitor being tested in the clinical setting. In this review, we focus on E3 ubiquitin ligases that have been found deregulated in lung cancer. Furthermore, we discuss the processes in which they are involved and evaluate them as potential anti-cancer targets. By better understanding the mechanisms by which E3 ubiquitin ligases regulate biological processes and their exact role in carcinogenesis, we can improve the development of specific E3 ubiquitin ligase inhibitors and pave the way for novel treatment strategies for cancer patients.
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Relationship Between MDM2 and p53 Alterations in Colorectal Cancer and Their Involvement and Prognostic Value in the Tunisian Population. Appl Immunohistochem Mol Morphol 2013; 21:228-36. [DOI: 10.1097/pai.0b013e31825f4e20] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Enokida Y, Shimizu K, Atsumi J, Lezhava A, Tanaka Y, Kimura Y, Soma T, Hanami T, Kawai Y, Usui K, Okano Y, Kakegawa S, Ogawa H, Miyamae Y, Miyagi Y, Nakayama H, Ishikawa T, Hayashizaki Y, Takeyoshi I. Rapid detection of SNP (c.309T>G) in the MDM2 gene by the Duplex SmartAmp method. PLoS One 2013; 8:e60151. [PMID: 23565197 PMCID: PMC3614994 DOI: 10.1371/journal.pone.0060151] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Accepted: 02/21/2013] [Indexed: 01/20/2023] Open
Abstract
Background Genetic polymorphisms in the human MDM2 gene are suggested to be a tumor susceptibility marker and a prognostic factor for cancer. It has been reported that a single nucleotide polymorphism (SNP) c.309T>G in the MDM2 gene attenuates the tumor suppressor activity of p53 and accelerates tumor formation in humans. Methodology In this study, to detect the SNP c.309T>G in the MDM2 gene, we have developed a new SNP detection method, named “Duplex SmartAmp,” which enabled us to simultaneously detect both 309T and 309G alleles in one tube. To develop this new method, we introduced new primers i.e., nBP and oBPs, as well as two different fluorescent dyes that separately detect those genetic polymorphisms. Results and Conclusions By the Duplex SmartAmp method, the genetic polymorphisms of the MDM2 gene were detected directly from a small amount of genomic DNA or blood samples. We used 96 genomic DNA and 24 blood samples to validate the Duplex SmartAmp by comparison with results of the conventional PCR-RFLP method; consequently, the Duplex SmartAmp results agreed totally with those of the PCR-RFLP method. Thus, the new SNP detection method is considered useful for detecting the SNP c.309T>G in the MDM2 gene so as to judge cancer susceptibility against some cellular stress in the clinical setting, and also to handle a large number of samples and enable rapid clinical diagnosis.
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Affiliation(s)
- Yasuaki Enokida
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Kimihiro Shimizu
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
- * E-mail:
| | - Jun Atsumi
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | | | - Yuki Tanaka
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Yasumasa Kimura
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Takahiro Soma
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Takeshi Hanami
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Yuki Kawai
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Kengo Usui
- RIKEN Omics Science Center, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Yasuko Okano
- Department of Clinical Oncology, Yokohama City University Graduate School of Medicine, Kanazawa-ku, Yokohama, Kanagawa, Japan
| | - Seiichi Kakegawa
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Hiroomi Ogawa
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Yohei Miyamae
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Yohei Miyagi
- Kanagawa Cancer Center Research Institute, Asahi-ku, Yokohama, Kanagawa, Japan
| | - Haruhiko Nakayama
- Department of Thoracic Surgery, Kanagawa Cancer Center, Asahi-ku, Yokohama, Kanagawa, Japan
| | | | | | - Izumi Takeyoshi
- Division of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
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Olsson H, Hultman P, Rosell J, Söderkvist P, Jahnson S. MDM2 SNP309 promoter polymorphism and p53 mutations in urinary bladder carcinoma stage T1. BMC Urol 2013; 13:5. [PMID: 23356517 PMCID: PMC3574032 DOI: 10.1186/1471-2490-13-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Accepted: 01/16/2013] [Indexed: 12/28/2022] Open
Abstract
Background Urinary bladder carcinoma stage T1 is an unpredictable disease that in some cases has a good prognosis with only local or no recurrence, but in others can appear as a more aggressive tumor with progression to more advanced stages. The aim here was to investigate stage T1 tumors regarding MDM2 promoter SNP309 polymorphism, mutations in the p53 gene, and expression of p53 and p16 measured by immunohistochemistry, and subsequently relate these changes to tumor recurrence and progression. We examined a cohort of patients with primary stage T1 urothelial carcinoma of the bladder and their tumors. Methods After re-evaluation of the original slides and exclusions, the study population comprised 141 patients, all with primary stage T1 urothelial carcinoma of the bladder. The hospital records were screened for clinical parameters and information concerning presence of histologically proven recurrence and progression. The paraffin-embedded tumor material was evaluated by immunohistochemistry. Any mutations found in the p53 gene were studied by single-strand conformation analysis and Sanger sequencing. The MDM2 SNP309 polymorphism was investigated by pyrosequencing. Multivariate analyses concerning association with prognosis were performed, and Kaplan-Meier analysis was conducted for a combination of changes and time to progression. Results Of the 141 patients, 82 had at least one MDM2 SNP309 G allele, and 53 had a mutation in the p53 gene, but neither of those anomalies was associated with a worse prognosis. A mutation in the p53 gene was associated with immunohistochemically visualized p53 protein expression at a cut-off value of 50%. In the group with p53 mutation Kaplan-Meier analysis showed higher rate of progression and shorter time to progression in patients with immunohistochemically abnormal p16 expression compared to them with normal p16 expression (p = 0.038). Conclusions MDM2 SNP309 promoter polymorphism and mutations in p53 were not associated with worse prognosis in this cohort of patients with primary stage T1 urinary bladder carcinoma. However, patients with abnormal p16 expression and a mutated p53 gene had a higher rate of and a shorter time to progression, and p53 gene mutation was associated with an abnormal immunohistochemistry for p53 at a cut-off of 50%.
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Affiliation(s)
- Hans Olsson
- Molecular and Immunological Pathology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Department of Clinical Pathology and Clinical Genetics, Östergötland County Council, Linköping, Sweden.
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Marshall AL, Christiani DC. Genetic susceptibility to lung cancer--light at the end of the tunnel? Carcinogenesis 2013; 34:487-502. [PMID: 23349013 DOI: 10.1093/carcin/bgt016] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Lung cancer is one of the most common and deadliest cancers in the world. The major socio-environmental risk factor involved in the development of lung cancer is cigarette smoking. Additionally, there are multiple genetic factors, which may also play a role in lung cancer risk. Early work focused on the presence of relatively prevalent but low-penetrance alterations in candidate genes leading to increased risk of lung cancer. Development of new technologies such as genomic profiling and genome-wide association studies has been helpful in the detection of new genetic variants likely involved in lung cancer risk. In this review, we discuss the role of multiple genetic variants and review their putative role in the risk of lung cancer. Identifying genetic biomarkers and patterns of genetic risk may be useful in the earlier detection and treatment of lung cancer patients.
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Affiliation(s)
- Ariela L Marshall
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA
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