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Kumar R, Mahmoud MM, Tashkandi HM, Haque S, Harakeh S, Ponnusamy K, Haider S. Combinatorial Network of Transcriptional and miRNA Regulation in Colorectal Cancer. Int J Mol Sci 2023; 24:ijms24065356. [PMID: 36982429 PMCID: PMC10048903 DOI: 10.3390/ijms24065356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/02/2023] [Accepted: 03/06/2023] [Indexed: 03/16/2023] Open
Abstract
Colorectal cancer is one of the leading causes of cancer-associated mortality across the worldwide. One of the major challenges in colorectal cancer is the understanding of the regulatory mechanisms of biological molecules. In this study, we aimed to identify novel key molecules in colorectal cancer by using a computational systems biology approach. We constructed the colorectal protein–protein interaction network which followed hierarchical scale-free nature. We identified TP53, CTNBB1, AKT1, EGFR, HRAS, JUN, RHOA, and EGF as bottleneck-hubs. The HRAS showed the largest interacting strength with functional subnetworks, having strong correlation with protein phosphorylation, kinase activity, signal transduction, and apoptotic processes. Furthermore, we constructed the bottleneck-hubs’ regulatory networks with their transcriptional (transcription factor) and post-transcriptional (miRNAs) regulators, which exhibited the important key regulators. We observed miR-429, miR-622, and miR-133b and transcription factors (EZH2, HDAC1, HDAC4, AR, NFKB1, and KLF4) regulates four bottleneck-hubs (TP53, JUN, AKT1 and EGFR) at the motif level. In future, biochemical investigation of the observed key regulators could provide further understanding about their role in the pathophysiology of colorectal cancer.
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Affiliation(s)
- Rupesh Kumar
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector 62, Noida 201309, India;
| | - Maged Mostafa Mahmoud
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Molecular Genetics and Enzymology Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo 12622, Egypt
| | - Hanaa M. Tashkandi
- Department of General Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut 13-5053, Lebanon
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Steve Harakeh
- King Fahd Medical Research Center, and Yousef Abdullatif Jameel Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Kalaiarasan Ponnusamy
- Biotechnology Division, National Centre for Disease Control, New Delhi 110054, India
- Correspondence: (K.P.); (S.H.)
| | - Shazia Haider
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector 62, Noida 201309, India;
- Correspondence: (K.P.); (S.H.)
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Allam L, Arrouchi H, Ghrifi F, El Khazraji A, Kandoussi I, Bendahou MA, El Amri H, El Absi M, Ibrahimi A. AKT1 Polymorphism (rs10138227) and Risk of Colorectal Cancer in Moroccan Population: A Case Control Study. Asian Pac J Cancer Prev 2020; 21:3165-3170. [PMID: 33247671 PMCID: PMC8033122 DOI: 10.31557/apjcp.2020.21.11.3165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND LMTK3 and AKT1 each have a role in carcinogenesis and tumor progression. The analysis of single nucleotide polymorphisms of AKT1 and LMTK3 could lead to more complete and accurate risk estimates for colorectal cancer. AIM We evaluated the association between single nucleotide polymorphisms (SNPs) of AKT1 and LMTK3 and the risk of colorectal cancer in a case-control study in Moroccan population. METHODS Genomic DNA from 70 colorectal cancer patients and 50 healthy control subjects was extracted from whole blood. Genotyping was performed by direct sequencing after polymerase chain reactions for the 7 SNPs (AKT1rs1130214G/T, AKT1rs10138227C/T, AKT1rs3730358C/T, AKT1rs1000559097G/A, AKT1rs2494737A/T, LMTK3rs8108419G/A, and LMTK3rs9989661A/G.). Study subjects provided detailed information during the collection. All P values come from bilateral tests. RESULTS In the logistic regression analysis, a significantly high risk of colorectal cancer was associated with TC/TT genotypes of rs10138227 with adjusted odds ratio [OR] equal to 2.82 and 95% confidence interval [CI] of 1.15 to 6.91. CONCLUSION Our results suggest that the SNP AKT1rs10138227 could affect susceptibility to CRC, probably by modulating the transcriptional activity of AKT1. However, larger independent studies are needed to validate our results.
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Affiliation(s)
- Loubna Allam
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco.,Instituts Des Analyses Génétique De La Gendarmerie Royale De Rabat, Maroc, Morocco
| | - Housna Arrouchi
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco
| | - Fatima Ghrifi
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco
| | - Abdelhak El Khazraji
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco
| | - Ilham Kandoussi
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco
| | - Mohammed Amine Bendahou
- Biotechnology Laboratory (Medbiotech), Rabat Medical and Pharmacy School, Mohammed V University in Rabat, Rabat, Morroco
| | - Hamid El Amri
- Instituts Des Analyses Génétique De La Gendarmerie Royale De Rabat, Maroc, Morocco
| | - Mohamed El Absi
- Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V Rabat, Rabaat Maroc, Morocco
| | - Azeddine Ibrahimi
- Laboratoire De Biotechnologie (MedBiotech), Faculté De Medecine Et De Pharmacie De Rabat, Université Mohamed V De Rabat, Rabat, Maroc, Morocco
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Wang H, Hu Z, Chen L. Enhanced plasma miR-26a-5p promotes the progression of bladder cancer via targeting PTEN. Oncol Lett 2018; 16:4223-4228. [PMID: 30197668 PMCID: PMC6126335 DOI: 10.3892/ol.2018.9163] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 05/22/2018] [Indexed: 12/17/2022] Open
Abstract
The current study aimed to evaluate the expression and specific role of miR-26a-5p in the progression of bladder cancer (BC). Reverse transcription-quantitative polymerase chain reaction analysis was performed to evaluate the level of miR-26a-5p in BC cancer and healthy controls. The present data showed that plasma miR-26a-5p was significantly increased in BC patients. Furthermore, BC tissues exhibited greater levels of miR-26a-5p compared with adjacent non-neoplastic tissues-26a-5p. Compared with BC patients at Ta-T1 stage, the level of miR-26a-5p was significantly elevated in BC patients ≥T2. BC patients at G3 stage demonstrated a higher plasma miR-26a-5p level compared with those at G1/2 stage. Receiver operating characteristic (ROC) analysis indicated that miR-26a-5p could differentiate BC patients from controls. Additionally, Kaplan-Meier analysis demonstrated that plasma miR-26a-5p negatively correlated with survival of BC patients. Dual luciferase reporter assay indicated that miR-26a-5p significantly suppressed the relative luciferase activity of pmirGLO-PTEN-3′UTR compared with the control. In conclusion, the current study indicated novel data that the levels of plasma miR-26a-5p was significantly increased in BC patients. Furthermore, the present study suggested that determination of plasma miR-26a-5p level could help to distinguish BC patients from healthy controls via targeting PTEN.
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Affiliation(s)
- Hui Wang
- Department of Nephrology, Qilu Hospital, Shandong University, Jinan, Shandong 250014, P.R. China.,Department of Nephrology, The Fourth Hospital of Jinan City, Jinan, Shandong 250031, P.R. China
| | - Zhao Hu
- Department of Nephrology, Qilu Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Li Chen
- Department of Endocrinology, Qilu Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
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Sabbineni H, Alwhaibi A, Goc A, Gao F, Pruitt A, Somanath PR. Genetic deletion and pharmacological inhibition of Akt1 isoform attenuates bladder cancer cell proliferation, motility and invasion. Eur J Pharmacol 2015; 764:208-214. [PMID: 26148825 DOI: 10.1016/j.ejphar.2015.06.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 06/09/2015] [Accepted: 06/29/2015] [Indexed: 01/17/2023]
Abstract
Isoform specific expression, intracellular localization and function of Akt in bladder cancer are not known. In the current study, we identified Akt1, followed by Akt2 and Akt3 as the predominant Akt isoform in human T24 and UM-UC-3 metastatic bladder cancer cells. Whereas Akt1 is localized at the membrane, cytoplasm and nucleus, Akt2 is solely cytoplasmic and Akt3 is mostly localized in the nucleus in T24 cells. ShRNA-mediated Akt1 knockdown resulted in impaired T24 cell survival, proliferation, colony formation, migration and microinvasion. Whereas pharmacological inhibition of Akt1 resulted in impaired T24 and UM-UC-3 cell motility, viability and proliferation, effect of pharmacological inhibition by Akt2 inhibitor was limited to proliferation in T24, but not UM-UC-3 cells. Our data provide important clues on the therapeutic benefits of targeting Akt1 for bladder cancer therapy.
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Affiliation(s)
- Harika Sabbineni
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Abdulrahman Alwhaibi
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Anna Goc
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Fei Gao
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Alanna Pruitt
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Payaningal R Somanath
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States; Department of Medicine, Vascular Biology Center and Cancer Center, Georgia Regents University, Augusta, GA, United States.
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Makarević J, Rutz J, Juengel E, Kaulfuss S, Reiter M, Tsaur I, Bartsch G, Haferkamp A, Blaheta RA. Amygdalin blocks bladder cancer cell growth in vitro by diminishing cyclin A and cdk2. PLoS One 2014; 9:e105590. [PMID: 25136960 PMCID: PMC4138189 DOI: 10.1371/journal.pone.0105590] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 07/23/2014] [Indexed: 12/16/2022] Open
Abstract
Amygdalin, a natural compound, has been used by many cancer patients as an alternative approach to treat their illness. However, whether or not this substance truly exerts an anti-tumor effect has never been settled. An in vitro study was initiated to investigate the influence of amygdalin (1.25–10 mg/ml) on the growth of a panel of bladder cancer cell lines (UMUC-3, RT112 and TCCSUP). Tumor growth, proliferation, clonal growth and cell cycle progression were investigated. The cell cycle regulating proteins cdk1, cdk2, cdk4, cyclin A, cyclin B, cyclin D1, p19, p27 as well as the mammalian target of rapamycin (mTOR) related signals phosphoAkt, phosphoRaptor and phosphoRictor were examined. Amygdalin dose-dependently reduced growth and proliferation in all three bladder cancer cell lines, reflected in a significant delay in cell cycle progression and G0/G1 arrest. Molecular evaluation revealed diminished phosphoAkt, phosphoRictor and loss of Cdk and cyclin components. Since the most outstanding effects of amygdalin were observed on the cdk2-cyclin A axis, siRNA knock down studies were carried out, revealing a positive correlation between cdk2/cyclin A expression level and tumor growth. Amygdalin, therefore, may block tumor growth by down-modulating cdk2 and cyclin A. In vivo investigation must follow to assess amygdalin's practical value as an anti-tumor drug.
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Affiliation(s)
- Jasmina Makarević
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Jochen Rutz
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Eva Juengel
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Silke Kaulfuss
- Institute of Human Genetics, University Medical Center Göttingen, Göttingen, Germany
| | - Michael Reiter
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Igor Tsaur
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Georg Bartsch
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Axel Haferkamp
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
| | - Roman A. Blaheta
- Department of Urology, Goethe University Hospital, Frankfurt am Main, Germany
- * E-mail:
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The role of PTEN tumor suppressor pathway staining in carcinoma in situ of the bladder. Urol Oncol 2014; 32:657-62. [PMID: 24840867 DOI: 10.1016/j.urolonc.2014.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2013] [Revised: 12/27/2013] [Accepted: 02/03/2014] [Indexed: 11/23/2022]
Abstract
OBJECTIVES The PI3k/Akt pathway has been associated with the development and progression of bladder tumors, with most studies focused on papillary or muscle-invasive tumors. We sought to characterize the expression patterns of the PI3K/Akt pathway in a large cohort of high-risk preinvasive carcinoma in situ (CIS) tumors of the bladder. Our goal was to understand whether PI3K/Akt pathway alterations associated with CIS resemble early- or late-stage bladder cancers. MATERIAL AND METHODS We evaluated tissue specimens from 97 patients with CIS of the bladder, of which 14 had a concomitant papillary tumor. All patients were treated with intravesical bacillus Calmette-Guerin. All specimens were evaluated for PTEN, p-AKT, and p-S6 immunoreactivity. Markers were evaluated for percentage and intensity of staining and were scored using a 0 to 3+grading system. RESULTS PTEN staining was noted as least intense in 67% of tumor specimens and 22% of normal urothelium. P-Akt and p-S6 had intense staining in 77% and 90% of tumor specimens vs. 44% and 68% in normal tissue, respectively. Low-intensity staining for PTEN at 12 months correlated with higher recurrence risk (P = 0.026). CONCLUSION We describe a large cohort of CIS bladder tumors with decreased staining intensity of PTEN and increased staining intensity of p-AKT and p-S6, similar to high-grade and high-stage papillary tumors. Low-intensity staining of PTEN at 12 months was associated with an increased risk of recurrence.
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Stebbing J, Lit LC, Zhang H, Darrington RS, Melaiu O, Rudraraju B, Giamas G. The regulatory roles of phosphatases in cancer. Oncogene 2014; 33:939-53. [PMID: 23503460 DOI: 10.1038/onc.2013.80] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 02/01/2013] [Indexed: 02/06/2023]
Abstract
The relevance of potentially reversible post-translational modifications required for controlling cellular processes in cancer is one of the most thriving arenas of cellular and molecular biology. Any alteration in the balanced equilibrium between kinases and phosphatases may result in development and progression of various diseases, including different types of cancer, though phosphatases are relatively under-studied. Loss of phosphatases such as PTEN (phosphatase and tensin homologue deleted on chromosome 10), a known tumour suppressor, across tumour types lends credence to the development of phosphatidylinositol 3-kinase inhibitors alongside the use of phosphatase expression as a biomarker, though phase 3 trial data are lacking. In this review, we give an updated report on phosphatase dysregulation linked to organ-specific malignancies.
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Affiliation(s)
- J Stebbing
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - L C Lit
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - H Zhang
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - R S Darrington
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - O Melaiu
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - B Rudraraju
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
| | - G Giamas
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, London, UK
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