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Ning Z, Zhu X, Jiang Y, Gao A, Zou S, Gu C, He C, Chen Y, Ding WQ, Zhou J. Integrin-Linked Kinase Is Involved In the Proliferation and Invasion of Esophageal Squamous Cell Carcinoma. J Cancer 2020; 11:324-333. [PMID: 31897228 PMCID: PMC6930430 DOI: 10.7150/jca.33737] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 09/18/2019] [Indexed: 11/09/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is an aggressive type of cancer with high mortality rate in China, largely due to its high invasive and metastatic potential. The purposes of this study are to investigate the potential molecular mechanisms behind the aggressive nature of ESCC and search for new prognostic biomarkers. By employing the quantitative proteomic based strategy, we compared the proteomic profile between three ESCC samples and paired adjacent tissues. After bioinformatics analysis, four candidate proteins were validated in thirteen paired patient samples. Further validation of the key candidate, integrin-linked kinase (ILK), was carried out in one hundred patient samples. The specific inhibitor compound 22 (cpd22) was used to assess the influence of ILK to ESCC cell motility and invasiveness by applying wound-healing and transwell assay. Western blot analysis was performed to elucidate the signaling pathways involved in ILK-mediated ESCC invasion. Total 236 proteins were identified by proteomic analysis. Bioinformatics analysis suggested a key role of the collagen/integrin/ILK signaling pathway during ESCC progression. Further validation indicated that ILK is overexpressed in ESCC tissues and is correlated with poor patient prognosis. Inhibition of ILK kinase activity suppresses proliferation and blocks invasion and migration of ESCC cells. Signaling pathway analysis revealed that ILK regulates AKT phosphorylation on Ser473 but not GSK-3β on Ser9 to promote proliferation and motility of ESCC cells. In conclusion, our results indicated that ILK may play a crucial role in ESCC invasion and metastasis and may serve as a prognostic biomarker and therapeutic target for ESCC.
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Affiliation(s)
- Zhonghua Ning
- Department of Radiation Oncology, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, P.R. China
| | - Xiaozhong Zhu
- Department of Thoracic Surgery, the Affiliated Hospital of the Jiangsu University, Zhenjiang, Jiangsu, P.R. China
| | - Youqin Jiang
- Department of Radiation Oncology, The Third People's Hospital of Yancheng, Yancheng, Jiangsu, P.R. China
| | - Aidi Gao
- Suzhou Cancer Center Core Laboratory, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, Jiangsu, P.R. China
| | - Shitao Zou
- Suzhou Cancer Center Core Laboratory, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, Jiangsu, P.R. China
| | - Chao Gu
- Department of Gastrointestinal surgery, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, Jiangsu, P.R. China
| | - Chao He
- Suzhou Cancer Center Core Laboratory, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, Jiangsu, P.R. China
| | - Yihong Chen
- Department of Radio-Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, P.R. China
| | - Wei-Qun Ding
- Department of Pathology, University of Oklahoma Health Science Center, Oklahoma City, OK, USA
| | - Jundong Zhou
- Suzhou Cancer Center Core Laboratory, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, Jiangsu, P.R. China
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Arezoumand KS, Alizadeh E, Esmaeillou M, Ghasemi M, Alipour S, Pilehvar-Soltanahmadi Y, Zarghami N. The emu oil emulsified in egg lecithin and butylated hydroxytoluene enhanced the proliferation, stemness gene expression, and in vitro wound healing of adipose-derived stem cells. In Vitro Cell Dev Biol Anim 2018; 54:205-216. [DOI: 10.1007/s11626-018-0228-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 01/04/2018] [Indexed: 12/13/2022]
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3
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Bianconi D, Unseld M, Prager GW. Integrins in the Spotlight of Cancer. Int J Mol Sci 2016; 17:ijms17122037. [PMID: 27929432 PMCID: PMC5187837 DOI: 10.3390/ijms17122037] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/17/2016] [Accepted: 11/28/2016] [Indexed: 02/07/2023] Open
Abstract
Integrins are heterodimeric cell surface receptors that bind to different extracellular ligands depending on their composition and regulate all processes which enable multicellular life. In cancer, integrins trigger and play key roles in all the features that were once described as the Hallmarks of Cancer. In this review, we will discuss the contribution of integrins to these hallmarks, including uncontrolled and limitless proliferation, invasion of tumor cells, promotion of tumor angiogenesis and evasion of apoptosis and resistance to growth suppressors, by highlighting the latest findings. Further on, given the paramount role of integrins in cancer, we will present novel strategies for integrin inhibition that are starting to emerge, promising a hopeful future regarding cancer treatment.
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Affiliation(s)
- Daniela Bianconi
- Department of Internal Medicine I, Comprehensive Cancer Center Vienna, Medical University of Vienna, A-1090 Vienna, Austria.
| | - Matthias Unseld
- Department of Internal Medicine I, Comprehensive Cancer Center Vienna, Medical University of Vienna, A-1090 Vienna, Austria.
| | - Gerald W Prager
- Department of Internal Medicine I, Comprehensive Cancer Center Vienna, Medical University of Vienna, A-1090 Vienna, Austria.
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4
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Sun Y, Huang Y, Li X, Baldwin CC, Zhou Z, Yan Z, Crandall KA, Zhang Y, Zhao X, Wang M, Wong A, Fang C, Zhang X, Huang H, Lopez JV, Kilfoyle K, Zhang Y, Ortí G, Venkatesh B, Shi Q. Fish-T1K (Transcriptomes of 1,000 Fishes) Project: large-scale transcriptome data for fish evolution studies. Gigascience 2016; 5:18. [PMID: 27144000 PMCID: PMC4853854 DOI: 10.1186/s13742-016-0124-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 04/14/2016] [Indexed: 11/12/2022] Open
Abstract
Ray-finned fishes (Actinopterygii) represent more than 50 % of extant vertebrates and are of great evolutionary, ecologic and economic significance, but they are relatively underrepresented in ‘omics studies. Increased availability of transcriptome data for these species will allow researchers to better understand changes in gene expression, and to carry out functional analyses. An international project known as the “Transcriptomes of 1,000 Fishes” (Fish-T1K) project has been established to generate RNA-seq transcriptome sequences for 1,000 diverse species of ray-finned fishes. The first phase of this project has produced transcriptomes from more than 180 ray-finned fishes, representing 142 species and covering 51 orders and 109 families. Here we provide an overview of the goals of this project and the work done so far.
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Affiliation(s)
- Ying Sun
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Provincial Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275 China ; Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Yu Huang
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Xiaofeng Li
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Carole C Baldwin
- National Museum of Natural History, Smithsonian Institution, Washington, DC 20560 USA
| | | | | | - Keith A Crandall
- Department of Biological Sciences, The George Washington University, Washington, DC 20052 USA
| | - Yong Zhang
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Xiaomeng Zhao
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Min Wang
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China ; BGI-Zhenjiang Institute of Hydrobiology, Zhenjiang, 212000 China
| | - Alex Wong
- BGI-Hong Kong, Hong Kong, 999077 China
| | - Chao Fang
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Xinhui Zhang
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China
| | - Hai Huang
- Sanya Science and Technology Academy for Crop Winter Multiplication, Hainan, 572000 China
| | - Jose V Lopez
- Oceanographic Center, Nova Southeastern University, Fort Lauderdale, 33004 USA
| | - Kirk Kilfoyle
- Oceanographic Center, Nova Southeastern University, Fort Lauderdale, 33004 USA
| | - Yong Zhang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Provincial Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275 China
| | - Guillermo Ortí
- Department of Biological Sciences, The George Washington University, Washington, DC 20052 USA
| | - Byrappa Venkatesh
- Institute of Molecular and Cell Biology, ASTAR, Singapore, 138673 Singapore
| | - Qiong Shi
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI, Shenzhen, 518083 China ; BGI-Zhenjiang Institute of Hydrobiology, Zhenjiang, 212000 China ; College of Life Sciences, Shenzhen University, Shenzhen, 518060 China
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5
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Han W, Zhao H, Jiao B, Liu F. EPA and DHA increased PPARγ expression and deceased integrin-linked kinase and integrin β1 expression in rat glomerular mesangial cells treated with lipopolysaccharide. Biosci Trends 2014; 8:120-5. [PMID: 24815389 DOI: 10.5582/bst.8.120] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Fish oil containing n-3 polyunsaturated fatty acids (n-3 PUFAs) including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) is known to prevent the progression of nephropathy and retard the progression of kidney disease. This study sought to investigate the underlying mechanisms of EPA and DHA in terms of peroxisome proliferator-activated receptor γ (PPARγ), integrin-linked kinase (ILK), and integrin β1 expression in glomerular mesangial cells (GMCs) because of their critical roles in the development and progression of nephropathy. Lipopolysaccharide (LPS) significantly reduced the expression of PPARγand increased the expression of ILK at the mRNA level and at the protein level in GMCs as indicated by real-time PCR and Western blotting. In addition, LPS increased integrin β1 expression in GMCs at the mRNA level. Treatment with EPA and DHA significantly increased the expression of PPARγ and decreased the expression of ILK and integrin β1 in GMCs. These data suggest that the renoprotective effects of EPA and DHA may be related to their potential to increase the expression of PPARγ and decrease the expression of ILK and integrin β1.
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Affiliation(s)
- Wenchao Han
- Department of Pediatrics, the Second Affiliated Hospital of Shandong University
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Ali Hussei S, A. Ragab O, A. El-Eshm M. Renoprotective Effect of Dietary Fish Oil on Cyclosporine A: Induced Nephrotoxicity in Rats. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ajb.2014.71.85] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Rhee SH, Han I, Lee MR, Cho HS, Oh JH, Kim HS. Role of integrin-linked kinase in osteosarcoma progression. J Orthop Res 2013; 31:1668-75. [PMID: 23784942 DOI: 10.1002/jor.22409] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Accepted: 05/13/2013] [Indexed: 02/04/2023]
Abstract
Although integrin-linked kinase (ILK) has been suggested to play a role in the tumorigenesis of a number of human epithelial carcinomas, little is known of its role in musculoskeletal sarcoma. The authors studied ILK expression by immunohistochemistry using osteosarcoma prechemotherapy specimens from 56 patients, and investigated the prognostic implications of the findings obtained. It was found that ILK overexpression was significantly correlated with the presence of distant metastasis (p = 0.008) and that it was an independent prognostic factor for both poor overall survival and poor event-free survival (p = 0.015 and 0.010, respectively). During a transfection experiment conducted by transfecting osteosarcoma cells with ILK siRNA, VEGF concentrations were measured using an ELISA kit, and then compared with those of untransfected controls to evaluate its angiogenic effects. In addition, apoptotic percentages were measured by Annexin-V flow cytometry, and invasive properties were evaluated by measuring the numbers of non-migrating cells in a Boyden chamber. It was found that ILK downregulation significantly decreased angiogenesis, increased apoptosis, and decreased invasiveness of osteosarcoma cells. These results show that ILK is a promising prognostic factor in osteosarcoma and a novel potential therapeutic target for the treatment of osteosarcoma.
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Affiliation(s)
- Seung Hwan Rhee
- Department of Orthopaedic Surgery, Seoul National University Boramae Medical Center, Seoul, Korea
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Yang P, Cartwright C, Chan D, Ding J, Felix E, Pan Y, Pang J, Rhea P, Block K, Fischer SM, Newman RA. Anticancer activity of fish oils against human lung cancer is associated with changes in formation of PGE2 and PGE3 and alteration of Akt phosphorylation. Mol Carcinog 2013; 53:566-77. [PMID: 23371504 DOI: 10.1002/mc.22008] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 12/18/2012] [Accepted: 01/04/2013] [Indexed: 11/08/2022]
Abstract
The beneficial effects of omega-3 fatty acids are believed to be due in part to selective alteration of arachidonate metabolism that involves cyclooxygenase (COX) enzymes. Here we investigated the effect of eicosapentaenoic acid (EPA) on the proliferation of human non-small cell lung cancer A549 (COX-2 over-expressing) and H1299 (COX-2 null) cells as well as their xenograft models. While EPA inhibited 50% of proliferation of A549 cells at 6.05 µM, almost 80 µM of EPA was needed to reach similar levels of inhibition of H1299 cells. The formation of prostaglandin (PG)E3 in A549 cells was almost threefold higher than that of H1299 cells when these cells were treated with EPA (25 µM). Intriguingly, when COX-2 expression was reduced by siRNA or shRNA in A549 cells, the antiproliferative activity of EPA was reduced substantially compared to that of control siRNA or shRNA transfected A549 cells. In line with this, dietary menhaden oil significantly inhibited the growth of A549 tumors by reducing tumor weight by 58.8 ± 7.4%. In contrast, a similar diet did not suppress the development of H1299 xenograft. Interestingly, the ratio of PGE3 to PGE2 in A549 was about 0.16 versus only 0.06 in H1299 xenograft tissues. Furthermore, PGE2 up-regulated expression of pAkt, whereas PGE3 downregulated expression of pAkt in A549 cells. Taken together, the results of our study suggest that the ability of EPA to generate PGE3 through the COX-2 enzyme might be critical for EPA-mediated tumor growth inhibition which is at least partly due to down-regulation of Akt phosphorylation by PGE3.
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Affiliation(s)
- Peiying Yang
- Department of General Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston, Texas
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Liu Z, Xiao Y, Yuan Y, Zhang X, Qin C, Xie J, Hao Y, Xu T, Wang X. Effects of oleic acid on cell proliferation through an integrin-linked kinase signaling pathway in 786-O renal cell carcinoma cells. Oncol Lett 2013; 5:1395-1399. [PMID: 23599801 PMCID: PMC3629253 DOI: 10.3892/ol.2013.1160] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2012] [Accepted: 01/24/2013] [Indexed: 01/31/2023] Open
Abstract
An increased risk of renal cell carcinoma (RCC) has been linked with obesity and metabolic syndrome. However, the mechanisms by which lipid metabolic disorders affect the development of RCC remain unclear and highly controversial. Integrin-linked kinase (ILK) is a serine/threonine protein kinase involved in the regulation of tumor cell growth and angiogenesis. In the present study, the effect of free fatty acids in the promotion of RCC progression was investigated by upregulating ILK. Results of the MTT assay indicated that treatment of 786-O cells with oleic acid induced a concentration-dependent increase in cell viability. Flow cytometry analysis revealed that the effect of oleic acid on cell apoptosis was not significant. Following treatment with oleic acid, the expression of ILK, phospho-Akt and G protein-coupled receptor 40 (GPR40) was increased in 786-O cells. These effects were reversed when the expression of ILK was downregulated using specific small interfering RNA. These results indicate that free fatty acids are associated with the development of renal cell carcinoma via activation of the GPR40/ILK/Akt pathway, revealing a novel mechanism for the correlation between metabolic disturbance and renal carcinoma.
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Affiliation(s)
- Zhenhua Liu
- Department of Urology, Peking University People's Hospital, Beijing 100044, P.R. China
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Lim WY, Chuah KL, Eng P, Leong SS, Lim E, Lim TK, Ng A, Poh WT, Tee A, Teh M, Salim A, Seow A. Meat consumption and risk of lung cancer among never-smoking women. Nutr Cancer 2011; 63:850-9. [PMID: 21774592 DOI: 10.1080/01635581.2011.589961] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The relationship between diet and lung cancer, apart from the protective effect of fruit and vegetables, is poorly understood. Reports on the role of dietary components such as meat are inconsistent, and few studies include sufficient numbers of nonsmokers. We examined the relationship between meat consumption and never-smoking lung cancer in a hospital-based case-control study of Singapore Chinese women, a population with low smoking prevalence. Three hundred and ninety-nine cases and 815 controls were recruited, of whom 258 cases and 712 controls were never smokers. A standardized questionnaire (which included a food frequency questionnaire module) was administered by trained interviewers. Among these never smokers, fruit and vegetable intake were inversely associated with lung cancer risk. Seventy-two percent of meat consumed was white meat (chicken or fish). Meat consumption overall was inversely associated with lung cancer [adjusted odds ratio (OR), 0.88, 0.59 for second, third tertiles, P (trend) = .012]. An inverse relationship between fish consumption and lung cancer (adjusted OR, 0.81, 0.47 for 2nd, 3rd tertiles, P (trend) < .001) was observed. No association was seen between consumption of processed meats and lung cancer, nor between dietary heterocyclic amines and lung cancer. Our data suggest that fish consumption may be protective against lung cancer in never smokers.
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Affiliation(s)
- Wei-Yen Lim
- Department of Epidemiology and Public Health, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. wei-yen
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Gao J, Zhu J, Li HY, Pan XY, Jiang R, Chen JX. Small interfering RNA targeting integrin-linked kinase inhibited the growth and induced apoptosis in human bladder cancer cells. Int J Biochem Cell Biol 2011; 43:1294-304. [PMID: 21601006 DOI: 10.1016/j.biocel.2011.05.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Revised: 04/01/2011] [Accepted: 05/04/2011] [Indexed: 12/28/2022]
Abstract
Integrin-linked kinase (ILK), an intracellular serine/threonine kinase, is implicated in cell growth and survival, cell-cycle progression, tumor angiogenesis, and cell apoptosis. Recent studies showed that the expression and activity of ILK increased significantly in many types of solid tumors. However, the exact molecular mechanism of ILK underlie tumor has not been fully ascertained. The purpose of our study was to determine whether knockdown of ILK would inhibit cell growth and induce apoptosis in bladder cancer cells using a plasmid vector based small interfering RNA (siRNA). The experiments showed that knockdown of ILK could remarkably inhibit cell proliferation and growth, regulate cell cycle and induce apoptosis of bladder cancer BIU-87 and EJ cells. We demonstrated that knockdown of ILK inhibited phosphorylation of downstream signaling targets protein kinase B/Akt, glycogen synthase kinase 3-beta (GSK-3β), and reduced expression of β-catenin in BIU-87 as well as EJ cells by Western blot and Immunofluorescence analysis. In addition, down-regulation of ILK also could increase expression of Ribonuclease inhibitor (RI), an important acidic cytoplasmic protein with many functions. BALB/C nude mice injected with the BIU-87 cells transfected ILK siRNA showed a significant inhibition of the tumor growth with lighter tumor weight, lower microvessels density and higher apoptosis rate than those in the other two control groups. In conclusion, these results suggest that ILK might be involved in the development of bladder cancer, and could be served as a novel potential therapy target for human bladder cancer. Our study may be of biological and clinical importance.
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Affiliation(s)
- Juan Gao
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing 400016, PR China
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Rotman N, Wahli W. PPAR modulation of kinase-linked receptor signaling in physiology and disease. Physiology (Bethesda) 2010; 25:176-85. [PMID: 20551231 DOI: 10.1152/physiol.00018.2010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Kinase-linked receptors and nuclear receptors connect external cues to gene transcription. Among nuclear receptors, peroxisome proliferator-activated receptors (PPARs) are of special interest in relation to widespread human diseases. Mapping out connections between PPARs and kinase-linked receptor signaling is central to better understand physiological and pathophysiological processes and to better define therapeutic strategies. This is the aim of the present review.
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Affiliation(s)
- Nicolas Rotman
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of Lausanne, Lausanne, Switzerland
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Han SW, Roman J. Anticancer actions of PPARγ ligands: Current state and future perspectives in human lung cancer. World J Biol Chem 2010; 1:31-40. [PMID: 21537367 PMCID: PMC3083946 DOI: 10.4331/wjbc.v1.i3.31] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2010] [Revised: 03/23/2010] [Accepted: 03/24/2010] [Indexed: 02/05/2023] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) are ligand-dependent nuclear transcription factors and members of the nuclear receptor superfamily. Of the three PPARs identified to date (PPARγ, PPARβ/δ, and PPARα), PPARγ has been studied the most, in part because of the availability of PPARγ agonists (also known as PPARγ ligands) and its significant effects on the management of several human diseases including type 2 diabetes, metabolic syndrome, cardiovascular disease and cancers. PPARγ is expressed in many tumors including lung cancer, and its function has been linked to the process of lung cancer development, progression and metastasis. Studies performed in gynogenic and xenograft models of lung cancer showed decreased tumor growth and metastasis in animals treated with PPARγ ligands. Furthermore, data are emerging from retrospective clinical studies that suggest a protective role for PPARγ ligands on the incidence of lung cancer. This review summarizes the research being conducted in this area and focuses on the mechanisms and potential therapeutic effects of PPARγ ligands as a novel anti-lung cancer treatment strategy.
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Affiliation(s)
- Shou Wei Han
- Shou Wei Han, Jesse Roman, Division of Pulmonary, Critical Care and Sleep Disorders Medicine, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, United States
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