1
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Bogale DE. The roles of FGFR3 and c-MYC in urothelial bladder cancer. Discov Oncol 2024; 15:295. [PMID: 39031286 PMCID: PMC11264706 DOI: 10.1007/s12672-024-01173-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/16/2024] [Indexed: 07/22/2024] Open
Abstract
Bladder cancer is one of the most frequently occurring cancers worldwide. At diagnosis, 75% of urothelial bladder cancer cases have non-muscle invasive bladder cancer while 25% have muscle invasive or metastatic disease. Aberrantly activated fibroblast growth factor receptor (FGFR)-3 has been implicated in the pathogenesis of bladder cancer. Activating mutations of FGFR3 are observed in around 70% of NMIBC cases and ~ 15% of MIBCs. Activated FGFR3 leads to ligand-independent receptor dimerization and activation of downstream signaling pathways that promote cell proliferation and survival. FGFR3 is an important therapeutic target in bladder cancer, and clinical studies have shown the benefit of FGFR inhibitors in a subset of bladder cancer patients. c-MYC is a well-known major driver of carcinogenesis and is one of the most commonly deregulated oncogenes identified in human cancers. Studies have shown that the antitumor effects of FGFR inhibition in FGFR3 dependent bladder cancer cells and other FGFR dependent cancers may be mediated through c-MYC, a key downstream effector of activated FGFR that is involved tumorigenesis. This review will summarize the current general understanding of FGFR signaling and MYC alterations in cancer, and the role of FGFR3 and MYC dysregulation in the pathogenesis of urothelial bladder cancer with the possible therapeutic implications.
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Affiliation(s)
- Dereje E Bogale
- School of Medicine, Department of Oncology, Addis Ababa University, Addis Ababa, Ethiopia.
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2
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Li J, Feng S, Wang X, Zhang B, He Q. Exploring the Targets and Molecular Mechanisms of Curcumin for the Treatment of Bladder Cancer Based on Network Pharmacology, Molecular Docking and Molecular Dynamics. Mol Biotechnol 2024:10.1007/s12033-024-01190-x. [PMID: 38822913 DOI: 10.1007/s12033-024-01190-x] [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: 12/24/2023] [Accepted: 04/29/2024] [Indexed: 06/03/2024]
Abstract
Curcumin, a phenolic compound derived from turmeric, has demonstrated anti-tumor properties in preclinical models of various cancers. However, the exact mechanism of curcumin in treating bladder cancer remains unclear. This study aimed to elucidate the therapeutic targets and molecular mechanisms of curcumin in the treatment of BC through an integrated approach of network pharmacology, molecular docking, and molecular dynamics simulations. PharmMapper, SuperPred, TargetNet, and SwissTargetPrediction were utilized to acquire targets associated with curcumin, while GeneCards, CTD, DisGeNET, OMIM, and PharmGKB databases were utilized to obtain targets related to bladder cancer. The drug-disease interaction targets were obtained using Venny 2.1.0, and GO and KEGG enrichment analyses were then conducted with the DAVID tool. We constructed a protein-protein interaction (PPI) network and identified tenkey targets. In conclusion, AutoDock Tools 1.5.7 was utilized to conduct molecular docking simulations, followed by additional analysis of the central targets through the GEPIA, HPA, cBioPortal, and TIMER databases. A total of 305 potential anticancer targets of curcumin were obtained. The analysis of GO functional enrichment resulted in a total of 1105 terms, including 786 terms related to biological processes (BP), 105 terms related to cellular components (CC), and 214 terms related to molecular functions (MF). In addition, KEGG pathway enrichment analysis identified 170 relevant signaling pathways. Treating bladder cancer could potentially involve inhibiting pathways like the PI3K-Akt signaling pathway, MAPK signaling pathway, EGFR tyrosine kinase inhibitor resistance, and IL-17 signaling pathway. Activating TNF, ALB, CASP3, and ESR1 while inhibiting AKT1, EGFR, STAT3, BCL2, SRC, and HSP90AA1 can also hinder the proliferation of bladder tumor cells. According to the results of molecular docking, curcumin binds to these central targets in a spontaneous manner, exhibiting binding energies lower than - 1.631 kJ/mol. These findings were further validated at the transcriptional, translational and immune infiltration levels. By utilizing network pharmacology and molecular docking techniques, it was discovered that curcumin possesses diverse effects on multiple targets and pathways for treating bladder cancer. It has the potential to impede the growth of bladder tumor cells by suppressing various pathways including the PI3K-Akt and MAPK signaling pathways, as well as pathways associated with EGFR tyrosine kinase inhibitor resistance and the IL-17 signaling pathway. Curcumin could potentially disrupt the cell cycle advancement in bladder cancer cells by increasing the expression of TNF, ALB, CASP3, and ESR1 while decreasing AKT1, EGFR, STAT3, BCL2, SRC, HSP90AA1, and other targeted genes. These findings reveal the possible molecular pathways through which curcumin exerts its anticancer effects in bladder cancer, and this novel research strategy not only provides an important basis for an in-depth understanding of the anticancer mechanism of curcumin, but also offers new potential drugs and targets for the clinical treatment of bladder cancer. Therefore, this study is of great scientific significance and practical application value for promoting the development of bladder cancer therapeutic field. This finding provides strong support for the development of novel, safe and effective drugs for bladder cancer treatment.
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Affiliation(s)
- Jun Li
- Ankang Central Hospital, Ankang, 725000, Shaanxi, China
| | - Shujie Feng
- Ankang Central Hospital, Ankang, 725000, Shaanxi, China
| | - Xiong Wang
- The Ankang Hospital for Maternity and Child Health, Ankang, 725000, Shaanxi, China
| | - Bingmei Zhang
- Ankang Central Hospital, Ankang, 725000, Shaanxi, China
| | - Qingmin He
- Ankang Central Hospital, Ankang, 725000, Shaanxi, China.
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3
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Wang L, Liu H, Liu Y, Guo S, Yan Z, Chen G, Wu Q, Xu S, Zhou Q, Liu L, Peng M, Cheng X, Yan T. Potential markers of cancer stem-like cells in ESCC: a review of the current knowledge. Front Oncol 2024; 13:1324819. [PMID: 38239657 PMCID: PMC10795532 DOI: 10.3389/fonc.2023.1324819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 12/01/2023] [Indexed: 01/22/2024] Open
Abstract
In patients with esophageal squamous cell carcinoma (ESCC), the incidence and mortality rate of ESCC in our country are also higher than those in the rest of the world. Despite advances in the treatment department method, patient survival rates have not obviously improved, which often leads to treatment obstruction and cancer repeat. ESCC has special cells called cancer stem-like cells (CSLCs) with self-renewal and differentiation ability, which reflect the development process and prognosis of cancer. In this review, we evaluated CSLCs, which are identified from the expression of cell surface markers in ESCC. By inciting EMTs to participate in tumor migration and invasion, stem cells promote tumor redifferentiation. Some factors can inhibit the migration and invasion of ESCC via the EMT-related pathway. We here summarize the research progress on the surface markers of CSLCs, EMT pathway, and the microenvironment in the process of tumor growth. Thus, these data may be more valuable for clinical applications.
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Affiliation(s)
- Lu Wang
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Huijuan Liu
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yiqian Liu
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Shixing Guo
- Clinical Laboratory Medicine Centre, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zhenpeng Yan
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Guohui Chen
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Qinglu Wu
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Songrui Xu
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Qichao Zhou
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Lili Liu
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Meilan Peng
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xiaolong Cheng
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ting Yan
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, Shanxi, China
- Key Laboratory of Cellular Physiology of the Ministry of Education, Department of Pathology, Shanxi Medical University, Taiyuan, Shanxi, China
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4
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Hasani S, Fathabadi F, Saeidi S, Mohajernoei P, Hesari Z. The role of NFATc1 in the progression and metastasis of prostate cancer: A review on the molecular mechanisms and signaling pathways. Cell Biol Int 2023; 47:1895-1904. [PMID: 37814550 DOI: 10.1002/cbin.12094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/27/2023] [Accepted: 09/26/2023] [Indexed: 10/11/2023]
Abstract
A common type of cancer among men is the prostate cancer that kills many people every year. The multistage of this disease and the involvement of the vital organs of the body have reduced the life span and quality of life of the people involved and turned the treatment process into a complex one. NFATc1 biomarker contributes significantly in the diagnosis and treatment of this disease by increasing its expression in prostate cancer and helping the proliferation, differentiation, and invasion of cancer cells through different signaling pathways. NFATc1 is also able to target the metabolism of cancer cells by inserting specific oncogene molecules such as c-myc that it causes cell growth and proliferation. Bone is a common tissue where prostate cancer cells metastasize. In this regard, the activity of NFATc1, through the regulation of different signaling cascades, including the RANKL/RANK signaling pathway, in turn, increases the activity of osteoclasts, and as a result, bone tissue is gradually ruined. Using Silibinin as a medicinal plant extract can inhibit the activity of osteoclasts related to prostate cancer by targeting NFATc. Undoubtedly, NFATc1 is one of the effective oncogenes related to prostate cancer, which has the potential to put this cancer on the path of progression and metastasis. In this review, we will highlight the role of NFATc1 in the progression and metastasis of prostate cancer. Furthermore, we will summarize signaling pathways and molecular mechanism, through which NFATc1 regulates the process of prostate cancer.
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Affiliation(s)
- Samaneh Hasani
- Department of Nursing, Faculty of Medical Sciences, Khalkhal University of Medical Sciences, Khalkhal, Iran
| | - Farshid Fathabadi
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, Department of Laboratory Sciences, Faculty of Paramedicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Saman Saeidi
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, Department of Laboratory Sciences, Faculty of Paramedicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Pouya Mohajernoei
- Department of Medicine and Surgery, Università degli Studi di Padova, Padua, Italy
| | - Zahra Hesari
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, Department of Laboratory Sciences, Faculty of Paramedicine, Golestan University of Medical Sciences, Gorgan, Iran
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5
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Janev A, Ramuta TŽ, Jerman UD, Obradović H, Kamenšek U, Čemažar M, Kreft ME. Human amniotic membrane inhibits migration and invasion of muscle-invasive bladder cancer urothelial cells by downregulating the FAK/PI3K/Akt/mTOR signalling pathway. Sci Rep 2023; 13:19227. [PMID: 37932474 PMCID: PMC10628262 DOI: 10.1038/s41598-023-46091-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 10/27/2023] [Indexed: 11/08/2023] Open
Abstract
Bladder cancer is the 10th most commonly diagnosed cancer with the highest lifetime treatment costs. The human amniotic membrane (hAM) is the innermost foetal membrane that possesses a wide range of biological properties, including anti-inflammatory, antimicrobial and anticancer properties. Despite the growing number of studies, the mechanisms associated with the anticancer effects of human amniotic membrane (hAM) are poorly understood. Here, we reported that hAM preparations (homogenate and extract) inhibited the expression of the epithelial-mesenchymal transition markers N-cadherin and MMP-2 in bladder cancer urothelial cells in a dose-dependent manner, while increasing the secretion of TIMP-2. Moreover, hAM homogenate exerted its antimigratory effect by downregulating the expression of FAK and proteins involved in actin cytoskeleton reorganisation, such as cortactin and small RhoGTPases. In muscle-invasive cancer urothelial cells, hAM homogenate downregulated the PI3K/Akt/mTOR signalling pathway, the key cascade involved in promoting bladder cancer. By using normal, non-invasive papilloma and muscle-invasive cancer urothelial models, new perspectives on the anticancer effects of hAM have emerged. The results identify new sites for therapeutic intervention and are prompt encouragement for ongoing anticancer drug development studies.
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Affiliation(s)
- Aleksandar Janev
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Taja Železnik Ramuta
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Urška Dragin Jerman
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Hristina Obradović
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Urška Kamenšek
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Maja Čemažar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Mateja Erdani Kreft
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
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6
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Alfaqih MA, Elsalem L, Nusier M, Mhedat K, Khader Y, Ababneh E. Serum Leptin Receptor and the rs1137101 Variant of the LEPR Gene Are Associated with Bladder Cancer. Biomolecules 2023; 13:1498. [PMID: 37892180 PMCID: PMC10604959 DOI: 10.3390/biom13101498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/25/2023] [Accepted: 09/30/2023] [Indexed: 10/29/2023] Open
Abstract
Globally, bladder cancer (BC) is one of the ten most common tumors. Obesity is a worldwide problem associated with an increased BC risk. Considering that levels of leptin and/or its receptor are often deregulated in obese individuals, we hypothesized that they could contribute to BC. To test this hypothesis, we utilized a case-control study in which 116 patients with a confirmed diagnosis of BC and 116 controls were recruited. The serum levels of leptin and leptin receptor were measured. Patients and controls were also genotyped for SNPs in the LEP (rs7799039, rs791620, and rs2167270) and LEPR genes (rs1137100, rs1137101, and rs1805094). The univariate analysis indicated that BC patients had significantly higher levels of leptin and lower levels of leptin receptor (p < 0.05). Moreover, rs7799039 of LEP and rs1137101 of LEPR were associated with BC (p < 0.05). In the multivariate analysis, leptin receptor levels were protective (OR: 0.98, 95% CI = 0.97-0.99, p = 0.002) while the GG genotype of rs1137101 of LEPR increased BC risk (OR: 3.42, 95% CI = 1.27-9.20, p = 0.02). These findings highlight that lifestyle changes could be useful in preventing BC and that disturbances in energy metabolism could play a role in the pathobiology of BC.
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Affiliation(s)
- Mahmoud A. Alfaqih
- Department of Biochemistry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama 15503, Bahrain
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan; (M.N.); (K.M.); (E.A.)
| | - Lina Elsalem
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Mohamad Nusier
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan; (M.N.); (K.M.); (E.A.)
| | - Khawla Mhedat
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan; (M.N.); (K.M.); (E.A.)
| | - Yousef Khader
- Department of Community Medicine, Public Health and Family Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Ebaa Ababneh
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan; (M.N.); (K.M.); (E.A.)
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7
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Li YR, Fang Y, Lyu Z, Zhu Y, Yang L. Exploring the dynamic interplay between cancer stem cells and the tumor microenvironment: implications for novel therapeutic strategies. J Transl Med 2023; 21:686. [PMID: 37784157 PMCID: PMC10546755 DOI: 10.1186/s12967-023-04575-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/28/2023] [Indexed: 10/04/2023] Open
Abstract
Cancer stem cells (CSCs) have emerged as key contributors to tumor initiation, growth, and metastasis. In addition, CSCs play a significant role in inducing immune evasion, thereby compromising the effectiveness of cancer treatments. The reciprocal communication between CSCs and the tumor microenvironment (TME) is observed, with the TME providing a supportive niche for CSC survival and self-renewal, while CSCs, in turn, influence the polarization and persistence of the TME, promoting an immunosuppressive state. Consequently, these interactions hinder the efficacy of current cancer therapies, necessitating the exploration of novel therapeutic approaches to modulate the TME and target CSCs. In this review, we highlight the intricate strategies employed by CSCs to evade immune surveillance and develop resistance to therapies. Furthermore, we examine the dynamic interplay between CSCs and the TME, shedding light on how this interaction impacts cancer progression. Moreover, we provide an overview of advanced therapeutic strategies that specifically target CSCs and the TME, which hold promise for future clinical and translational studies in cancer treatment.
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Affiliation(s)
- Yan-Ruide Li
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Ying Fang
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Zibai Lyu
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yichen Zhu
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Lili Yang
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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Li M, Wang D, Li Q, Luo F, Zhong T, Wu H, Xiong L, Yuan M, Su M, Fan Y. Design, Synthesis and Biological Evaluation of 6-(Imidazo[1,2-a]pyridin-6-yl)quinazoline Derivatives as Anticancer Agents via PI3Kα Inhibition. Int J Mol Sci 2023; 24:ijms24076851. [PMID: 37047827 PMCID: PMC10095550 DOI: 10.3390/ijms24076851] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/30/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Aberrant expression of the phosphatidylinositol 3-kinase (PI3K) signalling pathway is often associated with tumourigenesis, progression and poor prognosis. Hence, PI3K inhibitors have attracted significant interest for the treatment of cancer. In this study, a series of new 6-(imidazo[1,2-a]pyridin-6-yl)quinazoline derivatives were designed, synthesized and characterized by 1H NMR, 13C NMR and HRMS spectra analyses. In the in vitro anticancer assay, most of the synthetic compounds showed submicromolar inhibitory activity against various tumour cell lines, among which 13k is the most potent compound with IC50 values ranging from 0.09 μΜ to 0.43 μΜ against all the tested cell lines. Moreover, 13k induced cell cycle arrest at G2/M phase and cell apoptosis of HCC827 cells by inhibition of PI3Kα with an IC50 value of 1.94 nM. These results suggested that compound 13k might serve as a lead compound for the development of PI3Kα inhibitor.
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Affiliation(s)
- Mei Li
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Daoping Wang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Qing Li
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Fang Luo
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Ting Zhong
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Hongshan Wu
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Liang Xiong
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Meitao Yuan
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Mingzhi Su
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Yanhua Fan
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
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9
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Protective effect of glucosamine on zearalenone-induced reproductive toxicity and placental dysfunction in mice. Food Chem Toxicol 2023; 172:113539. [PMID: 36462645 DOI: 10.1016/j.fct.2022.113539] [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: 08/22/2022] [Revised: 11/12/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022]
Abstract
This study was conducted to determine the effects of glucosamine (GlcN) on zearalenone (ZEA)-induced reproductive toxicity and placental dysfunction in mice. The pregnant mice were randomly divided into one of the four groups, such as the control group, the ZEA group, the GlcN group, and the GlcN plus ZEA group. Reproductive toxicity was induced by consecutive gavages of ZEA at 5 mg/kg body weight during gestational days (GDs 0-14) and in the presence or absence of oral administration of GlcN (0.5 mM). The results showed that GlcN significantly alleviated the decrease of growth performance induced by ZEA exposure of pregnant mice. Meanwhile, ZEA ingestion significantly reduced the number and weight of fetuses, and reduction of placenta weight. Moreover, results of blood biochemical markers indicated that ZEA exposure led to increased oxidative stress levels in pregnant mice. Further analyses demonstrated that ZEA inhibited placental development, resulted in placental inflammation, increased the expression of pro-apoptotic proteins, and decreased the expression of placental tight junction proteins, which were reversed by the administration of GlcN. Results of western blot revealed that GlcN reversed ZEA-mediated phenotype by activating PI3K, while inhibiting MAPK signaling pathway. All these findings showed that GlcN was effective in the protection against ZEA-induced placental dysfunction and reproductive toxicity in pregnant mice. Supplementation of GlcN might be potential nutritional intervention with an ability to alleviate ZEA-induced toxicity in pregnant mice.
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AR and PI3K/AKT in Prostate Cancer: A Tale of Two Interconnected Pathways. Int J Mol Sci 2023; 24:ijms24032046. [PMID: 36768370 PMCID: PMC9917224 DOI: 10.3390/ijms24032046] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/12/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Prostate cancer (PCa) is the most common cancer in men. The androgen receptor (AR) has a pivotal role in the pathogenesis and progression of PCa. Many therapies targeting AR signaling have been developed over the years. AR signaling inhibitors (ARSIs), including androgen synthesis inhibitors and AR antagonists, have proven to be effective in castration-sensitive PCa (CSPC) and improve survival, but men with castration-resistant PCa (CRPC) continue to have a poor prognosis. Despite a good initial response, drug resistance develops in almost all patients with metastatic CRPC, and ARSIs are no longer effective. Several mechanisms confer resistance to ARSI and include AR mutations but also hyperactivation of other pathways, such as PI3K/AKT/mTOR. This pathway controls key cellular processes, including proliferation and tumor progression, and it is the most frequently deregulated pathway in human cancers. A significant interaction between AR and the PI3K/AKT/mTOR signaling pathway has been shown in PCa. This review centers on the current scene of different AR and PI3K signaling pathway inhibitors, either as monotherapy or in combination treatments in PCa, and the treatment outcomes involved in both preclinical and clinical trials. A PubMed-based literature search was conducted up to November 2022. The most relevant and recent articles were selected to provide essential information and current evidence on the crosstalk between AR and the PI3K signaling pathways. The ClinicalTrials.gov registry was used to report information about clinical studies and their results using the Advanced research tool, filtering for disease and target.
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11
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Manni W, Min W. Signaling pathways in the regulation of cancer stem cells and associated targeted therapy. MedComm (Beijing) 2022; 3:e176. [PMID: 36226253 PMCID: PMC9534377 DOI: 10.1002/mco2.176] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 11/07/2022] Open
Abstract
Cancer stem cells (CSCs) are defined as a subpopulation of malignant tumor cells with selective capacities for tumor initiation, self-renewal, metastasis, and unlimited growth into bulks, which are believed as a major cause of progressive tumor phenotypes, including recurrence, metastasis, and treatment failure. A number of signaling pathways are involved in the maintenance of stem cell properties and survival of CSCs, including well-established intrinsic pathways, such as the Notch, Wnt, and Hedgehog signaling, and extrinsic pathways, such as the vascular microenvironment and tumor-associated immune cells. There is also intricate crosstalk between these signal cascades and other oncogenic pathways. Thus, targeting pathway molecules that regulate CSCs provides a new option for the treatment of therapy-resistant or -refractory tumors. These treatments include small molecule inhibitors, monoclonal antibodies that target key signaling in CSCs, as well as CSC-directed immunotherapies that harness the immune systems to target CSCs. This review aims to provide an overview of the regulating networks and their immune interactions involved in CSC development. We also address the update on the development of CSC-directed therapeutics, with a special focus on those with application approval or under clinical evaluation.
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Affiliation(s)
- Wang Manni
- Department of Biotherapy, Cancer Center, West China HospitalSichuan UniversityChengduP. R. China
| | - Wu Min
- Department of Biomedical Sciences, School of Medicine and Health SciencesUniversity of North DakotaGrand ForksNorth DakotaUSA
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12
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Multiparametric Classification of Non-Muscle Invasive Papillary Urothelial Neoplasms: Combining Morphological, Phenotypical, and Molecular Features for Improved Risk Stratification. Int J Mol Sci 2022; 23:ijms23158133. [PMID: 35897708 PMCID: PMC9330009 DOI: 10.3390/ijms23158133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 02/05/2023] Open
Abstract
Diagnosis and grading of non-invasive papillary urothelial tumors according to the current WHO classification poses some challenges for pathologists. The diagnostic reproducibility of separating low-grade and high-grade lesions is low, which impacts their clinical management. Whereas papillary urothelial neoplasms with low malignant potential (PUN-LMP) and low-grade papillary non-invasive carcinoma (LG-PUC) are comparable and show frequent local recurrence but rarely metastasize, high-grade papillary non-invasive carcinoma (HG-PUC) has a poor prognosis. The main objective of this work is to develop a multiparametric classification to unambiguously distinguish low-grade and high-grade tumors, considering immunohistochemical stains for p53, FGFR3, CK20, MIB-1, p16, p21 and p-HH3, and pathogenic mutations in TP53, FGFR3, TP53, ERCC2, PIK3CA, PTEN and STAG2. We reviewed and analyzed the clinical and histological data of 45 patients with a consensus diagnosis of PUN-LMP (n = 8), non-invasive LG-PUC (n = 23), and HG-PUC (n = 14). The proliferation index and mitotic count assessed with MIB-1 and P-HH3 staining, respectively correlated with grading and clinical behavior. Targeted sequencing confirmed frequent FGFR3 mutations in non-invasive papillary tumors and identified mutations in TP53 as high-risk. Cluster analysis of the different immunohistochemical and molecular parameters allowed a clear separation in two different clusters: cluster 1 corresponding to PUN-LMP and LG-PUC (low MIB-1 and mitotic count/FGFR3 and STAG2 mutations) and cluster 2, HG-PUC (high MIB-1 and mitosis count/CK20 +++ expression, FGFR3 WT and TP53 mutation). Further analysis is required to validate and analyze the reproducibility of these clusters and their biological and clinical implication.
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13
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Zhou X, Kurywchak P, Wolf-Dennen K, Che SP, Sulakhe D, D’Souza M, Xie B, Maltsev N, Gilliam TC, Wu CC, McAndrews KM, LeBleu VS, McConkey DJ, Volpert OV, Pretzsch SM, Czerniak BA, Dinney CP, Kalluri R. Unique somatic variants in DNA from urine exosomes of individuals with bladder cancer. Mol Ther Methods Clin Dev 2021; 22:360-376. [PMID: 34514028 PMCID: PMC8408559 DOI: 10.1016/j.omtm.2021.05.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/21/2021] [Indexed: 01/03/2023]
Abstract
Bladder cancer (BC), a heterogeneous disease characterized by high recurrence rates, is diagnosed and monitored by cystoscopy. Accurate clinical staging based on biopsy remains a challenge, and additional, objective diagnostic tools are needed urgently. We used exosomal DNA (exoDNA) as an analyte to examine cancer-associated mutations and compared the diagnostic utility of exoDNA from urine and serum of individuals with BC. In contrast to urine exosomes from healthy individuals, urine exosomes from individuals with BC contained significant amounts of DNA. Whole-exome sequencing of DNA from matched urine and serum exosomes, bladder tumors, and normal tissue (peripheral blood mononuclear cells) identified exonic and 3' UTR variants in frequently mutated genes in BC, detectable in urine exoDNA and matched tumor samples. Further analyses identified somatic variants in driver genes, unique to urine exoDNA, possibly because of the inherent intra-tumoral heterogeneity of BC, which is not fully represented in random small biopsies. Multiple variants were also found in untranslated portions of the genome, such as microRNA (miRNA)-binding regions of the KRAS gene. Gene network analyses revealed that exoDNA is associated with cancer, inflammation, and immunity in BC exosomes. Our findings show utility of exoDNA as an objective, non-invasive strategy to identify novel biomarkers and targets for BC.
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Affiliation(s)
- Xunian Zhou
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Paul Kurywchak
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kerri Wolf-Dennen
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sara P.Y. Che
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dinanath Sulakhe
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Mark D’Souza
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Bingqing Xie
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Natalia Maltsev
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - T. Conrad Gilliam
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Chia-Chin Wu
- Department of Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kathleen M. McAndrews
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Valerie S. LeBleu
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - David J. McConkey
- Johns Hopkins Greenberg Bladder Cancer Institute, Baltimore, MD, USA
| | - Olga V. Volpert
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shanna M. Pretzsch
- Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bogdan A. Czerniak
- Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Colin P. Dinney
- Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Raghu Kalluri
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- School of Bioengineering, Rice University, Houston, TX, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
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14
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Wu F, Yang J, Liu J, Wang Y, Mu J, Zeng Q, Deng S, Zhou H. Signaling pathways in cancer-associated fibroblasts and targeted therapy for cancer. Signal Transduct Target Ther 2021; 6:218. [PMID: 34108441 PMCID: PMC8190181 DOI: 10.1038/s41392-021-00641-0] [Citation(s) in RCA: 251] [Impact Index Per Article: 83.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/20/2021] [Accepted: 05/06/2021] [Indexed: 02/05/2023] Open
Abstract
To flourish, cancers greatly depend on their surrounding tumor microenvironment (TME), and cancer-associated fibroblasts (CAFs) in TME are critical for cancer occurrence and progression because of their versatile roles in extracellular matrix remodeling, maintenance of stemness, blood vessel formation, modulation of tumor metabolism, immune response, and promotion of cancer cell proliferation, migration, invasion, and therapeutic resistance. CAFs are highly heterogeneous stromal cells and their crosstalk with cancer cells is mediated by a complex and intricate signaling network consisting of transforming growth factor-beta, phosphoinositide 3-kinase/AKT/mammalian target of rapamycin, mitogen-activated protein kinase, Wnt, Janus kinase/signal transducers and activators of transcription, epidermal growth factor receptor, Hippo, and nuclear factor kappa-light-chain-enhancer of activated B cells, etc., signaling pathways. These signals in CAFs exhibit their own special characteristics during the cancer progression and have the potential to be targeted for anticancer therapy. Therefore, a comprehensive understanding of these signaling cascades in interactions between cancer cells and CAFs is necessary to fully realize the pivotal roles of CAFs in cancers. Herein, in this review, we will summarize the enormous amounts of findings on the signals mediating crosstalk of CAFs with cancer cells and its related targets or trials. Further, we hypothesize three potential targeting strategies, including, namely, epithelial-mesenchymal common targets, sequential target perturbation, and crosstalk-directed signaling targets, paving the way for CAF-directed or host cell-directed antitumor therapy.
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Affiliation(s)
- Fanglong Wu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Jin Yang
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Junjiang Liu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Ye Wang
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Jingtian Mu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Qingxiang Zeng
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Shuzhi Deng
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Hongmei Zhou
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Republic of China.
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15
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Hayashi Y, Fujita K. Toward urinary cell-free DNA-based treatment of urothelial carcinoma: a narrative review. Transl Androl Urol 2021; 10:1865-1877. [PMID: 33968675 PMCID: PMC8100839 DOI: 10.21037/tau-20-1259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Liquid biopsy technique targeting urinary cell-free DNA (cfDNA) is getting a lot of attention to overcome limitations of the present treatment strategy for urothelial carcinoma, including urothelial bladder carcinoma (UBC) and upper tract urothelial carcinoma (UTUC). Analysis of tumor-derived DNA in urine focusing either on genomic or epigenomic alterations, holds great potential as a noninvasive method for the detection of urothelial carcinoma with high accuracy. It is also predictive of prognosis and response to drugs, and reveals the underlying characteristics of different stages of urothelial carcinoma. Although cfDNA methylation analyses based on a combination of several methylation profiles have demonstrated high sensitivity for UBC diagnosis, there have been few reports involving epigenomic studies of urinary cfDNA. In mutational analyses, frequent gene mutations (TERT promoter, TP53, FGFR3, PIK3CA, RAS, etc.) have been detected in urine supernatant by using remarkable technological innovations such as next-generation sequencing and droplet digital PCR. These methods allow highly sensitive detection of rare mutation alleles while minimizing artifacts. In this review, we summarize the current insights into the clinical applications of urinary cfDNA from patients with urothelial carcinoma. Although it is necessary to conduct prospective multi-institutional clinical trials, noninvasive urine biopsy is expected to play an important role in the realization of precision medicine in patients with urothelial carcinoma in the near future.
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Affiliation(s)
- Yujiro Hayashi
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Kazutoshi Fujita
- Department of Urology, Kindai University Faculty of Medicine, Osakasayama, Japan
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16
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Novel Therapies. Bladder Cancer 2021. [DOI: 10.1007/978-3-030-70646-3_26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Li F, Xie W, Fang Y, Xie K, Liu W, Hou L, Tan W. HnRNP-F promotes the proliferation of bladder cancer cells mediated by PI3K/AKT/FOXO1. J Cancer 2021; 12:281-291. [PMID: 33391425 PMCID: PMC7738822 DOI: 10.7150/jca.50490] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/21/2020] [Indexed: 12/24/2022] Open
Abstract
Our previous study showed that heterogeneous nuclear ribonucleoprotein F (hnRNP-F) could induce epithelial-mesenchymal transition and metastasis in bladder cancer (BC), however, the role and mechanism of hnRNP-F in mediating the proliferative ability of BC cells remain unclear. HnRNP-F promoted the proliferation of BC cells by using BC cell lines and cell counting kit-8 (CCK8), colony formation and flow cytometry assays in vitro. Furthermore, the association of hnRNP-F with the phosphoinositide 3‑kinase (PI3K)/protein kinase B (AKT) signalling pathway was confirmed by western blotting after bioinformatic analysis. HnRNP-F expression was significantly decreased by treatment with the PI3K/AKT signalling pathway inhibitor LY294002, whereas hnRNP-F knockdown did not significantly affect PI3K or AKT expression, suggesting that hnRNP-F is likely a downstream target of the PI3K/AKT pathway. Forkhead box O1 (FOXO1) is a molecule downstream of PI3K/AKT and can be inhibited by phosphorylation. In addition, chromatin immunoprecipitation (ChIP) and luciferase reporter assays indicated that FOXO1 expression was negatively correlated with hnRNP-F expression as FOXO1 was found to bind to the promoter region of hnRNP-F mRNA and inhibit its transcription. To sum up, our findings suggest that hnRNP-F expression is regulated by the PI3K/AKT-mediated phosphorylation of FOXO1, with phosphorylation inhibiting FOXO1, which subsequently allows hnRNP-F to promote proliferation. This finding is a novel discovery in BC and could help reveal the mechanism of BC progression.
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Affiliation(s)
- Fei Li
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
| | - Weiwei Xie
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
| | - Yunze Fang
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
| | - Kunfeng Xie
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
| | - Wendong Liu
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
| | - Lina Hou
- Department of Healthy Management, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China
| | - Wanlong Tan
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R.China
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18
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Khan K, Quispe C, Javed Z, Iqbal MJ, Sadia H, Raza S, Irshad A, Salehi B, Reiner Ž, Sharifi-Rad J. Resveratrol, curcumin, paclitaxel and miRNAs mediated regulation of PI3K/Akt/mTOR pathway: go four better to treat bladder cancer. Cancer Cell Int 2020; 20:560. [PMID: 33292283 PMCID: PMC7685642 DOI: 10.1186/s12935-020-01660-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/16/2020] [Indexed: 02/06/2023] Open
Abstract
Bladder cancer (BC) is a leading cause of death among urothelial malignancies that more commonly affect male population. Poor prognosis and resistance to chemotherapy are the two most important characteristics of this disease. PI3K/Akt/mTOR signaling pathway has been considered pivotal in the regulation of proliferation, migration, invasiveness, and metastasis. Deregulation of PI3K/Akt/mTOR signaling has been found in 40% of bladder cancers. Several microRNAs (miRNAs) have been reported to interact with the PI3K/Akt/mTOR signaling pathway with a different possible role in proliferation and apoptosis in bladder cancer. Thus, miRNAs can be used as potential biomarkers for BC. Natural compounds have been in the spotlight for the past decade due to their effective anti-proliferative capabilities. However, little is known of its possible effects in bladder cancer. The aim of this review is to discuss the interplay between PI3K/Akt/mTOR, miRNAs, and natural compounds and emphasize the importance of miRNAs as biomarkers and resveratrol, curcumin and paclitaxel as a possible therapeutic approach against bladder cancer.
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Affiliation(s)
- Khushbukhat Khan
- Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan
| | - Cristina Quispe
- Facultad de Ciencias de La Salud, Universidad Arturo Prat, Avda. Arturo Prat 2120, 1110939, Iquique, Chile
| | - Zeeshan Javed
- Lahore Garrison University, Main Campus, Sector C, Phase VI, DHA Lahore Pakistan, Lahore, Pakistan
| | - Muhammad Javed Iqbal
- Department of Biotechnology, Faculty of Sciences, University of Sialkot, Punjab, Pakistan
| | - Haleema Sadia
- Department of Biotechnology, BUITMS, Quetta, Pakistan
| | - Shahid Raza
- Lahore Garrison University, Main Campus, Sector C, Phase VI, DHA Lahore Pakistan, Lahore, Pakistan
| | - Asma Irshad
- Department of Life Sciences, University of Management Sciences, Lahore, Pakistan
| | - Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Željko Reiner
- Department of Internal Medicine, School of Medicine, University Hospital Centre Zagreb, University of Zagreb, Zagreb, Croatia
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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19
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Jiao Y, Zhu S, Li J, Jam Zaheer A, Li M, Huang B. PS48 promotes in vitro maturation and developmental competence of porcine oocytes through activating PI3K/Akt signalling pathway. Reprod Domest Anim 2020; 55:1678-1687. [PMID: 32946622 DOI: 10.1111/rda.13818] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 09/03/2020] [Indexed: 12/19/2022]
Abstract
Oocyte maturation plays a vitally important role in porcine reproduction. Regrettably, the quality of oocytes matured in vitro is weaker than that of in vivo matured oocytes. We collected and cultivated porcine cumulus oocyte complexes (COCs) in vitro with phosphoinositide-dependent kinase 1 (PDK1) activator 5-(4-chloro-phenyl)-3-phenyl-pent-2-enoic acid (PS48), whose concentrations were 0, 2, 5, 10 and 20 µM to investigate whether the phosphatidylinositol-3-kinase/protein kinase B (PI3K/Akt) signalling pathway would impact the oocyte quality. The results showed that 10 µM PS48 increased the oocyte proportion of metaphase II (MII) stage and improved the expansion of cumulus cells (CCs). What's more, the activation of PI3K/Akt signalling pathway could regulate the expression of maturation-related genes and proteins. The results of quantitative real-time PCR showed that 10 µM PS48 increased the mRNA and protein levels of Akt and regulated maturation-related genes, including cyclin B1, MOS, BMP15, GDF9, CDC2, mTOR, BAX, BCL2 and caspase-3. The results of Western blot indicated that 10µM PS48 increased the protein abundance of Akt, phosphorylation of Akt Thr308 (p-AktThr308 ) and cyclin B1, but decreased the protein abundance of pro-apoptotic BAX. These results suggested that adding 10 µM PS48 to mature culture medium could promote the maturation of porcine oocytes, potentially through activating the PI3K/Akt signalling pathway.
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Affiliation(s)
- Yafei Jiao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China.,School of Animal Science and Technology, Guangxi University, Nanning, China
| | - Shaoqian Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China.,School of Animal Science and Technology, Guangxi University, Nanning, China
| | - Jiaojiao Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China.,School of Animal Science and Technology, Guangxi University, Nanning, China
| | - Ahmed Jam Zaheer
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China.,School of Animal Science and Technology, Guangxi University, Nanning, China
| | - Mengmei Li
- School of Animal Science and Technology, Guangxi University, Nanning, China
| | - Ben Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China.,School of Animal Science and Technology, Guangxi University, Nanning, China
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20
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Weng WH, Yu KJ, Li LC, Pang YJ, Chen YT, Pang ST, Chuang CK. Low PTEN expression and overexpression of phosphorylated Akt Ser473 and Akt Thr308 are associated with poor overall survival in upper tract urothelial carcinoma. Oncol Lett 2020; 20:347. [PMID: 33123258 PMCID: PMC7583738 DOI: 10.3892/ol.2020.12210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 03/27/2020] [Indexed: 01/13/2023] Open
Abstract
The PI3K/Akt signaling pathway serves an essential role in various cellular processes, including cell growth, survival, cell motility, angiogenesis and cell metabolism. Loss of PTEN expression and hyperactivation of Akt can result in tumorigenesis. Previous studies observed expression of the Akt protein and absence of the PTEN protein in bladder cancer and non-small cell lung carcinoma tissues. The aim of the present study was to evaluate the expression status and prognostic value of PTEN and the PI3K/Akt signaling pathway in Taiwanese patients with upper tract urothelial carcinoma (UTUC). Archival formalin-fixed, paraffin-embedded (FFPE) tissues from 65 UTUC cases were stained via immunohistochemistry for PTEN, phosphorylated (p)Akt serine (Ser)473 and pAkt threonine (Thr)308. The expression levels of each protein were significantly correlated with clinicopathological parameters. PTEN, pAktSer473 and pAktThr308 protein expression levels were higher in adjacent normal tissues compared with those in tumor tissues. Cytoplasmic PTEN protein expression levels were lower in high-stage tumors compared with those in low-stage tumors, and nuclear and cytoplasmic pAktThr308 protein expression levels were higher in high-grade tumors compared with those in low-grade tumors. Univariate analysis showed that high pathological tumor stage (pT2-4) [P=0.01; hazard ratio (HR)=3.40; 95% confidence interval (CI), 1.34-8.60], metastatic status (P=0.003; HR=3.55, 95% CI, 1.55-8.11), low cytoplasmic PTEN protein expression levels (P=0.016; HR=3.14; 95% CI, 1.24-7.95) and high cytoplasmic pAktSer473 protein expression levels (P=0.019, HR=2.71, 95% CI, 1.18-6.21) were predictive of poor overall survival. However, only metastatic status (P=0.031; HR=2.73; 95% CI, 1.10-6.78), low cytoplasmic PTEN protein expression levels (P=0.017; HR=3.29; 95% CI, 1.24-8.73) and high cytoplasmic pAktSer473 protein expression levels (P=0.027; HR=2.64; 95% CI, 1.12-6.23) remained significant in the multivariate analysis. Kaplan-Meier survival analysis showed that high T stage, metastasis, low expression levels of cytoplasmic PTEN protein and high expression levels of cytoplasmic pAktSer473 protein were significantly associated with poor survival (P=0.006, 0.001, 0.011 and 0.014, respectively). Co-expression of PTENlow/pAktSer473/high and pAktThr308/high phenotypes was associated with a less favorable overall survival (P=0.001). Overall, the present findings demonstrated that low expression levels of PTEN and high expression levels of pAktSer473 and pAktThr308 were predictors for poor overall survival in patients with UTUC.
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Affiliation(s)
- Wen-Hui Weng
- Department of Chemical Engineering and Biotechnology, Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C
| | - Kai-Jie Yu
- Department of Chemical Engineering and Biotechnology, Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C.,College of Medicine, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan 33302, Taiwan, R.O.C.,Division of Urology, Department of Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, R.O.C
| | - Liang-Chen Li
- Department of Chemical Engineering and Biotechnology, Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C
| | - Yeu-Jye Pang
- Department of Gastroenterology, Mater Misericordiae University Hospital, Dublin D07 R2WY, Ireland
| | - Ying-Tzu Chen
- Department of Chemical Engineering and Biotechnology, Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C
| | - See-Tong Pang
- College of Medicine, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan 33302, Taiwan, R.O.C.,Division of Urology, Department of Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, R.O.C
| | - Cheng-Keng Chuang
- College of Medicine, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan 33302, Taiwan, R.O.C.,Division of Urology, Department of Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, R.O.C
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21
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Kang HW, Kim WJ, Yun SJ. The therapeutic and prognostic implications of molecular biomarkers in urothelial carcinoma. Transl Cancer Res 2020; 9:6609-6623. [PMID: 35117271 PMCID: PMC8798786 DOI: 10.21037/tcr-20-1243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/20/2020] [Indexed: 12/27/2022]
Abstract
Urothelial cell carcinoma (UCC) of the bladder and upper urinary tract is a heterogeneous disease with distinct biologic features resulting in different clinical behaviors. Bladder cancer (BC) is classified into non-muscle invasive BC (NMIBC) and muscle invasive BC (MIBC). NMIBC is associated with high recurrence rates and risk of progression to invasive disease, whereas MIBC is complicated by systemic recurrence after radical cystectomy because of the limited efficacy of available therapies. UCC of the upper urinary tract (UUT-UCC) is a rare but aggressive urologic cancer characterized by multifocality, local recurrence, and metastasis. Conventional histopathologic evaluation of UCC, including tumor stage and grade, cannot accurately predict the behavior of BC and UUT-UCC. Recent clinical and preclinical studies aimed at understanding the molecular landscape of UCC have provided insight into molecular subtyping, inter- or intratumoral heterogeneity, and potential therapeutic targets. Combined analysis of molecular markers and standard pathological features may improve risk stratification and help monitor tumor progression and treatment response, ultimately improving patient outcomes. This review discusses prognostic and therapeutic biomarkers for BC and UUT-UCC, and describes recent advances in molecular stratification that may guide prognosis, patient stratification, and treatment selection.
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Affiliation(s)
- Ho Won Kang
- Department of Urology, School of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, South Korea.,Department of Urology, Chungbuk National University Hospital, Cheongju, South Korea
| | - Wun-Jae Kim
- Department of Urology, School of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, South Korea.,Department of Urology, Chungbuk National University Hospital, Cheongju, South Korea
| | - Seok Joong Yun
- Department of Urology, School of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, South Korea.,Department of Urology, Chungbuk National University Hospital, Cheongju, South Korea
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22
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Lee HH, Kim SH. Review of non-invasive urinary biomarkers in bladder cancer. Transl Cancer Res 2020; 9:6554-6564. [PMID: 35117265 PMCID: PMC8798424 DOI: 10.21037/tcr-20-1990] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/18/2020] [Indexed: 12/23/2022]
Abstract
Bladder cancer (BC) is the sixth-most prevalent cancer. The standard diagnostic tool of BC is cystoscopy, whereas cystoscopy has several disadvantages in terms of symptomatic invasiveness and operator-dependency. The urinary markers are attractive because the testing is non-invasive and cost-efficient, and sample collection is easy. Urinary marker is thereby a good tool to detect exfoliated tumor cell in the urine samples for the diagnosis and therapeutic surveillance of BC to supplement the limitations of the cystoscopy. However, they are not recommended as a population-based screening tool because of the low rate of BC prevalence. Although both cystoscopy and urine cytology improve BC diagnostic power, the field still needs additional non-invasive, cost-effective, and highly sensitive and specific diagnostic tools. Various urinary markers with different mechanisms and different targets have been developed and under investigation in these days. However, the accuracy of the urinary marker including its sensitivity and specificity is the most important factor for the diagnosis and surveillance in cancer that this review deals with multiple FDA-approved and non-FDA approved commercialized urinary markers with their accuracy in different purposes for BC. We then discuss more about the potential candidate targets for the future urinary markers in BC.
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Affiliation(s)
- Hyung-Ho Lee
- Department of Urology, Urological Cancer Center, Research Institute and Hospital of National Cancer Center, Goyang, Korea
| | - Sung Han Kim
- Department of Urology, Urological Cancer Center, Research Institute and Hospital of National Cancer Center, Goyang, Korea
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23
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Hayashi T, Fujita K, Hayashi Y, Hatano K, Kawashima A, McConkey DJ, Nonomura N. Mutational Landscape and Environmental Effects in Bladder Cancer. Int J Mol Sci 2020; 21:ijms21176072. [PMID: 32842545 PMCID: PMC7503658 DOI: 10.3390/ijms21176072] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/23/2022] Open
Abstract
Bladder cancer is the most common cancer of the urinary tract. Although nonmuscle-invasive bladder cancers have a good prognosis, muscle-invasive bladder cancers promote metastases and have a poor prognosis. Comprehensive analyses using RNA sequence of clinical tumor samples in bladder cancer have been reported. These reports implicated the candidate genes and pathways that play important roles in carcinogenesis and/or progression of bladder cancer. Further investigations for the function of each mutation are warranted. There is suggestive evidence for several environmental factors as risk factors of bladder cancer. Environmental factors such as cigarette smoking, exposure to chemicals and gases, bladder inflammation due to microbial and parasitic infections, diet, and nutrition could induce several genetic mutations and alter the tumor microenvironment, such as immune cells and fibroblasts. The detailed mechanism of how these environmental factors induce carcinogenesis and/or progression of bladder cancer remains unclear. To identify the relationship between the mutations and the lifestyle could be useful for prevention and treatment of bladder cancer.
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Affiliation(s)
- Takuji Hayashi
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
- Greenberg Bladder Cancer Institute, Johns Hopkins University School of Medicine, Baltimore, MA 21287-2101, USA;
| | - Kazutoshi Fujita
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
- Department of Urology, Faculty of Medicine, Kindai University, Ohno-higashi, Osakasayama, Osaka 589-8511, Japan
- Correspondence: ; Tel.: +81-6-6879-3531; Fax: +81-6-6879-3539
| | - Yujiro Hayashi
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
| | - Koji Hatano
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
| | - Atsunari Kawashima
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
| | - David J. McConkey
- Greenberg Bladder Cancer Institute, Johns Hopkins University School of Medicine, Baltimore, MA 21287-2101, USA;
| | - Norio Nonomura
- Department of Urology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; (T.H.); (Y.H.); (K.H.); (A.K.); (N.N.)
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24
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Zangouei AS, Barjasteh AH, Rahimi HR, Mojarrad M, Moghbeli M. Role of tyrosine kinases in bladder cancer progression: an overview. Cell Commun Signal 2020; 18:127. [PMID: 32795296 PMCID: PMC7427778 DOI: 10.1186/s12964-020-00625-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/02/2020] [Indexed: 12/20/2022] Open
Abstract
Background Bladder cancer (BCa) is a frequent urothelial malignancy with a high ratio of morbidity and mortality. Various genetic and environmental factors are involved in BCa progression. Since, majority of BCa cases are diagnosed after macroscopic clinical symptoms, it is required to find efficient markers for the early detection. Receptor tyrosine-kinases (RTKs) and non-receptor tyrosine-kinases (nRTKs) have pivotal roles in various cellular processes such as growth, migration, differentiation, and metabolism through different signaling pathways. Tyrosine-kinase deregulations are observed during tumor progressions via mutations, amplification, and chromosomal abnormalities which introduces these factors as important candidates of anti-cancer therapies. Main body For the first time in present review we have summarized all of the reported tyrosine-kinases which have been significantly associated with the clinicopathological features of BCa patients. Conclusions This review highlights the importance of tyrosine-kinases as critical markers in early detection and therapeutic purposes among BCa patients and clarifies the molecular biology of tyrosine-kinases during BCa progression and metastasis. Video abstract
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Affiliation(s)
- Amir Sadra Zangouei
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Hossein Barjasteh
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Reza Rahimi
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Mojarrad
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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25
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Novel molecular signatures and potential therapeutics in renal cell carcinomas: Insights from a comparative analysis of subtypes. Genomics 2020; 112:3166-3178. [PMID: 32512143 DOI: 10.1016/j.ygeno.2020.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/20/2020] [Accepted: 06/02/2020] [Indexed: 01/05/2023]
Abstract
Renal cell carcinomas (RCCs) are among the highest causes of cancer mortality. Although transcriptome profiling studies in the last decade have made significant molecular findings on RCCs, effective diagnosis and treatment strategies have yet to be achieved due to lack of adequate screening and comparative profiling of RCC subtypes. In this study, a comparative analysis was performed on RNA-seq based transcriptome data from each RCC subtype, namely clear cell RCC (KIRC), papillary RCC (KIRP) and kidney chromophobe (KICH), and mutual or subtype-specific reporter biomolecules were identified at RNA, protein, and metabolite levels by the integration of expression profiles with genome-scale biomolecular networks. This approach revealed already-known biomarkers in RCCs as well as novel biomarker candidates and potential therapeutic targets. Our findings also pointed out the incorporation of the molecular mechanisms of KIRC and KIRP, whereas KICH was shown to have distinct molecular signatures. Furthermore, considering the Dipeptidyl Peptidase 4 (DPP4) receptor as a potential therapeutic target specific to KICH, several drug candidates such as ZINC6745464 were identified through virtual screening of ZINC molecules. In this study, we reported valuable data for further experimental and clinical efforts, since the proposed molecules have significant potential for screening and therapeutic purposes in RCCs.
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26
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Aguiar TFM, Rivas MP, Costa S, Maschietto M, Rodrigues T, Sobral de Barros J, Barbosa AC, Valieris R, Fernandes GR, Bertola DR, Cypriano M, Caminada de Toledo SR, Major A, Tojal I, Apezzato MLDP, Carraro DM, Rosenberg C, Lima da Costa CM, Cunha IW, Sarabia SF, Terrada DL, Krepischi ACV. Insights Into the Somatic Mutation Burden of Hepatoblastomas From Brazilian Patients. Front Oncol 2020; 10:556. [PMID: 32432034 PMCID: PMC7214543 DOI: 10.3389/fonc.2020.00556] [Citation(s) in RCA: 147] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/27/2020] [Indexed: 12/23/2022] Open
Abstract
Hepatoblastoma is a very rare embryonal liver cancer supposed to arise from the impairment of hepatocyte differentiation during embryogenesis. In this study, we investigated by exome sequencing the burden of somatic mutations in a cohort of 10 hepatoblastomas, including a congenital case. Our data disclosed a low mutational background and pointed out to a novel set of candidate genes for hepatoblastoma biology, which were shown to impact gene expression levels. Only three recurrently mutated genes were detected: CTNNB1 and two novel candidates, CX3CL1 and CEP164. A relevant finding was the identification of a recurrent mutation (A235G) in two hepatoblastomas at the CX3CL1 gene; evaluation of RNA and protein expression revealed upregulation of CX3CL1 in tumors. The analysis was replicated in two independents cohorts, substantiating that an activation of the CX3CL1/CX3CR1 pathway occurs in hepatoblastomas. In inflammatory regions of hepatoblastomas, CX3CL1/CX3CR1 were not detected in the infiltrated lymphocytes, in which they should be expressed in normal conditions, whereas necrotic regions exhibited negative labeling in tumor cells, but strongly positive infiltrated lymphocytes. Altogether, these data suggested that CX3CL1/CX3CR1 upregulation may be a common feature of hepatoblastomas, potentially related to chemotherapy response and progression. In addition, three mutational signatures were identified in hepatoblastomas, two of them with predominance of either the COSMIC signatures 1 and 6, found in all cancer types, or the COSMIC signature 29, mostly related to tobacco chewing habit; a third novel mutational signature presented an unspecific pattern with an increase of C>A mutations. Overall, we present here novel candidate genes for hepatoblastoma, with evidence that CX3CL1/CX3CR1 chemokine signaling pathway is likely involved with progression, besides reporting specific mutational signatures.
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Affiliation(s)
- Talita Ferreira Marques Aguiar
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil.,Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Maria Prates Rivas
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Silvia Costa
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | | | - Tatiane Rodrigues
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Juliana Sobral de Barros
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Anne Caroline Barbosa
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Renan Valieris
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Gustavo R Fernandes
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Debora R Bertola
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Monica Cypriano
- Adolescent and Child With Cancer Support Group (GRAACC), Department of Pediatric, Federal University of São Paulo, São Paulo, Brazil
| | - Silvia Regina Caminada de Toledo
- Adolescent and Child With Cancer Support Group (GRAACC), Department of Pediatric, Federal University of São Paulo, São Paulo, Brazil
| | - Angela Major
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States
| | - Israel Tojal
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | | | - Dirce Maria Carraro
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Carla Rosenberg
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | | | - Isabela W Cunha
- Department of Pathology, Rede D'OR-São Luiz, São Paulo, Brazil.,Department of Pathology, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Stephen Frederick Sarabia
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States
| | - Dolores-López Terrada
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States.,Department of Pediatrics, Texas Children's Cancer Center, Houston, TX, United States.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, United States
| | - Ana Cristina Victorino Krepischi
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
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27
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Reyna-Fabián ME, Hernández-Martínez NL, Alcántara-Ortigoza MA, Ayala-Sumuano JT, Enríquez-Flores S, Velázquez-Aragón JA, Varela-Echavarría A, Todd-Quiñones CG, González-Del Angel A. First comprehensive TSC1/TSC2 mutational analysis in Mexican patients with Tuberous Sclerosis Complex reveals numerous novel pathogenic variants. Sci Rep 2020; 10:6589. [PMID: 32313033 PMCID: PMC7170856 DOI: 10.1038/s41598-020-62759-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/11/2020] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to improve knowledge of the mutational spectrum causing tuberous sclerosis complex (TSC) in a sample of Mexican patients, given the limited information available regarding this disease in Mexico and Latin America. Four different molecular techniques were implemented to identify from single nucleotide variants to large rearrangements in the TSC1 and TSC2 genes of 66 unrelated Mexican-descent patients that clinically fulfilled the criteria for a definitive TSC diagnosis. The mutation detection rate was 94%, TSC2 pathogenic variants (PV) prevailed over TSC1 PV (77% vs. 23%) and a recurrent mutation site (hotspot) was observed in TSC1 exon 15. Interestingly, 40% of the identified mutations had not been previously reported. The wide range of novels PV made it difficult to establish any genotype-phenotype correlation, but most of the PV conditioned neurological involvement (intellectual disability and epilepsy). Our 3D protein modeling of two variants classified as likely pathogenic demonstrated that they could alter the structure and function of the hamartin (TSC1) or tuberin (TSC2) proteins. Molecular analyses of parents and first-degree affected family members of the index cases enabled us to distinguish familial (18%) from sporadic (82%) cases and to identify one case of apparent gonadal mosaicism.
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Affiliation(s)
- Miriam E Reyna-Fabián
- Laboratorio de Biología Molecular, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México
| | - Nancy L Hernández-Martínez
- Laboratorio de Biología Molecular, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México
| | - Miguel A Alcántara-Ortigoza
- Laboratorio de Biología Molecular, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México
| | | | - Sergio Enríquez-Flores
- Grupo de Investigación en Biomoléculas y Salud Infantil, Laboratorio de Errores Innatos del Metabolismo y Tamiz, Instituto Nacional de Pediatría, Ciudad de México, México
| | - José A Velázquez-Aragón
- Laboratorio de Biología Molecular, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México
| | - Alfredo Varela-Echavarría
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Carlos G Todd-Quiñones
- Posgrado en Biología Experimental, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de México, México
- Laboratorio de Biología Molecular, Departamento de Genética Humana, Hospital de Alta Especialidad de Veracruz, Veracruz, México
| | - Ariadna González-Del Angel
- Laboratorio de Biología Molecular, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México.
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28
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Mojarrad M, Moghbeli M. Genetic and molecular biology of bladder cancer among Iranian patients. Mol Genet Genomic Med 2020; 8:e1233. [PMID: 32253828 PMCID: PMC7284045 DOI: 10.1002/mgg3.1233] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 02/16/2020] [Accepted: 03/09/2020] [Indexed: 12/12/2022] Open
Abstract
Background Bladder cancer (BC) is the sixth common cancer among Iranians. Various risk factors such as smoking, body mass index, chronic infection, age, and genetic factors are associated with BC progression. Methods It has been shown that a significant ratio of patients have tumors with muscle bladder layer invasion and poor prognosis at the time of diagnosis. Therefore, the early detection of tumors is required to reduce the mortality rate of BC cases. Since there is a wide geographical incidence variation in BC in Iran, it seems that the ethnic and genetic factors can be the main risk factors among Iranian BC patients. Results For the first time, in present review we have summarized all of the reported genes among Iranian BC patients until now which were significantly associated with tumorigenesis. Moreover, we categorized all of the reported genes based on their cell and molecular functions to clarify the genetic and molecular biology of BC among Iranian population. Conclusion This review paves the way of determination of a population‐based genetic panel markers for the early detection of BC in this population.
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Affiliation(s)
- Majid Mojarrad
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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29
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Synthesis and biological evaluation of new antioxidant and antiproliferative chalcogenobiotin derivatives for bladder carcinoma treatment. Bioorg Med Chem 2020; 28:115423. [PMID: 32205047 DOI: 10.1016/j.bmc.2020.115423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 02/24/2020] [Accepted: 03/09/2020] [Indexed: 11/21/2022]
Abstract
Approximately 90% of bladder carcinomas are of the urothelial carcinoma type, which are characterized by high rates of recurrence and predisposition to progress to invasive tumors, representing one of the most costly neoplasms for health systems. Intravesical chemotherapy is a standard for the treatment of non-invasive bladder cancer. However, chemotherapy is usually aggressive and cytotoxic, which increases the death rates caused by cancer. Heterocyclic compounds which exhibit favorable pharmacokinetic and pharmacodynamic properties may enhance drug affinity for a target protein by targeting the treatment. Thus, this work presents the synthesis, characterization, and in vitro biological evaluation of new antioxidant (inhibition of lipid peroxidation, scavenging of free radical DPPH, and thiol peroxidase-like activity) and antiproliferative chalcogenobiotin derivatives and tests them against bladder carcinoma 5637 cells. A prominent response was obtained for the selected compounds, with tellurium biotin derivatives displaying effective antioxidant and antiproliferative activity. The effective compounds also demonstrated no toxicity in in vitro or in vivo studies.
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30
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Liow E, Tran B. Precision oncology in urothelial cancer. ESMO Open 2020; 5:e000616. [PMID: 32132102 PMCID: PMC7059486 DOI: 10.1136/esmoopen-2019-000616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/29/2019] [Accepted: 12/12/2019] [Indexed: 12/22/2022] Open
Abstract
Genomics-driven, precision medicine has been adopted in virtually every tumour type and underlies the significant advances in cancer management to date. The paradigm shift from the indiscriminate use of chemotherapeutics, to strategies that harness our mechanistic knowledge of cancer biology has led to profound clinical benefit for patients, and will continue to mould present and future treatment approaches. In the realm of urothelial cancer, the present status of precision medicine includes a rich landscape that encompasses molecularly-matched therapy, predictive biomarkers that could help inform response to chemotherapy and immunotherapy, as well as novel strategies such as antibody drug conjugates that exploit the use of target proteins for enhanced tumour killing. Here, we present an overview on these clinically-impactful discoveries in urothelial cancer, discuss the limitations and challenges in the implementation of precision oncology, and offer our vision for its future.
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Affiliation(s)
- Elizabeth Liow
- Personalised Oncology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
| | - Ben Tran
- Personalised Oncology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia; Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
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31
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Yang L, Shi P, Zhao G, Xu J, Peng W, Zhang J, Zhang G, Wang X, Dong Z, Chen F, Cui H. Targeting cancer stem cell pathways for cancer therapy. Signal Transduct Target Ther 2020; 5:8. [PMID: 32296030 PMCID: PMC7005297 DOI: 10.1038/s41392-020-0110-5] [Citation(s) in RCA: 956] [Impact Index Per Article: 239.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 12/15/2019] [Accepted: 12/19/2019] [Indexed: 12/18/2022] Open
Abstract
Since cancer stem cells (CSCs) were first identified in leukemia in 1994, they have been considered promising therapeutic targets for cancer therapy. These cells have self-renewal capacity and differentiation potential and contribute to multiple tumor malignancies, such as recurrence, metastasis, heterogeneity, multidrug resistance, and radiation resistance. The biological activities of CSCs are regulated by several pluripotent transcription factors, such as OCT4, Sox2, Nanog, KLF4, and MYC. In addition, many intracellular signaling pathways, such as Wnt, NF-κB (nuclear factor-κB), Notch, Hedgehog, JAK-STAT (Janus kinase/signal transducers and activators of transcription), PI3K/AKT/mTOR (phosphoinositide 3-kinase/AKT/mammalian target of rapamycin), TGF (transforming growth factor)/SMAD, and PPAR (peroxisome proliferator-activated receptor), as well as extracellular factors, such as vascular niches, hypoxia, tumor-associated macrophages, cancer-associated fibroblasts, cancer-associated mesenchymal stem cells, extracellular matrix, and exosomes, have been shown to be very important regulators of CSCs. Molecules, vaccines, antibodies, and CAR-T (chimeric antigen receptor T cell) cells have been developed to specifically target CSCs, and some of these factors are already undergoing clinical trials. This review summarizes the characterization and identification of CSCs, depicts major factors and pathways that regulate CSC development, and discusses potential targeted therapy for CSCs.
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Affiliation(s)
- Liqun Yang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Pengfei Shi
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Gaichao Zhao
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Jie Xu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Wen Peng
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Jiayi Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Guanghui Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Xiaowen Wang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Zhen Dong
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China
| | - Fei Chen
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, 48201, USA
| | - Hongjuan Cui
- State Key Laboratory of Silkworm Genome Biology, Southwest University, 400716, Chongqing, China.
- Cancer Center, Medical Research Institute, Southwest University, 400716, Chongqing, China.
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Kim J, Kim WT, Kim WJ. Advances in urinary biomarker discovery in urological research. Investig Clin Urol 2019; 61:S8-S22. [PMID: 32055750 PMCID: PMC7004831 DOI: 10.4111/icu.2020.61.s1.s8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/22/2019] [Indexed: 12/27/2022] Open
Abstract
A disease-specific biomarker (or biomarkers) is a characteristic reflecting a pathological condition in human body, which can be used as a diagnostic or prognostic tool for the clinical management. A urine-based biomarker(s) may provide a clinical value as attractive tools for clinicians to utilize in the clinical setting in particular to bladder diseases including bladder cancer and other bladder benign dysfunctions. Urine can be easily obtained by patients with no preparation or painful procedures required from patients' side. Currently advanced omics technologies and computational power identified potential omics-based novel biomarkers. An unbiased profiling based on transcriptomics, proteomics, epigenetics, metabolomics approaches et al. found that expression at RNA, protein, and metabolite levels are linked with specific bladder diseases and outcomes. In this review, we will discuss about the urine-based biomarkers reported by many investigators including us and how these biomarkers can be applied as a diagnostic and prognostic tool in clinical trials and patient care to promote bladder health. Furthermore, we will discuss how these promising biomarkers can be developed into a smart medical device and what we should be cautious about toward being used in real clinical setting.
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Affiliation(s)
- Jayoung Kim
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA.,Department of Medicine, University of California Los Angeles, CA, USA
| | - Won Tae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Korea.,Department of Urology, Chungbuk National University Hospital, Cheongju, Korea
| | - Wun-Jae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Korea.,Department of Urology, Chungbuk National University Hospital, Cheongju, Korea
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Ruan H, Li Y, Wang X, Sun B, Fang W, Jiang S, Liang C. CRYAB inhibits migration and invasion of bladder cancer cells through the PI3K/AKT and ERK pathways. Jpn J Clin Oncol 2019; 50:254-260. [PMID: 31829429 DOI: 10.1093/jjco/hyz172] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 07/24/2019] [Accepted: 10/23/2019] [Indexed: 12/24/2022] Open
Abstract
Abstract
Background
Bladder cancer is a common malignancy characterized by a high recurrence rate and the development of drug resistance. Frequent mutations and gene expression alterations in the PI3K/AKT and mitogen-activated protein kinase-ERK pathways lead to deregulated cell growth and the acquisition of invasive properties, which facilitates tumour progression and confers resistance to chemotherapy. Therefore, identification of the underlying mechanisms that trigger the activation of these signalling pathways and control the invasive phenotype of tumour cells is of urgent need.
Methods
We utilized publicly available gene expression databases (GEO and TCGA) and bioinformatics analysis to identify key gene expression changes in human bladder cancer . The key gene expression was detected using BC tissue microarrays. Cell proliferation, apoptosis, migration, invasion and related signalling pathways were analysed flowing transfection with key gene overexpression plasmids.
Results
The analysis revealed that inhibited expression of the alpha-crystallin B chain was a common feature in all analysed datasets. The decrease in alpha-crystallin B expression was further confirmed at the protein level using BC tissue microarrays. Overexpression of alpha-crystallin B in T24 and J82 BC cell lines resulted in significant inhibition of tumour cell migration and invasion, which was associated with a decrease in PI3K, AKT and ERK activation. Moreover, alpha-crystallin B overexpression increased the expression of E-cadherin, while reducing the expression of N-cadherin, which indicated suppression of the epithelial–mesenchymal transition.
Conclusions
Overall, the results of our study suggested that alpha-crystallin B may function as a tumour-suppressive factor in bladder cancer.
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Affiliation(s)
- Houxin Ruan
- Department of Urology, The First Affiliated Hospital of Anhui Medical University and Institute of Urology, AHMU, Hefei, China
| | - Yang Li
- Department of Gastroenterolog y, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xu Wang
- Department of Gastroenterolog y, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Bin Sun
- Department of Gastroenterolog y, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | | | | | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University and Institute of Urology, AHMU, Hefei, China
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Margaria JP, Campa CC, De Santis MC, Hirsch E, Franco I. The PI3K/Akt/mTOR pathway in polycystic kidney disease: A complex interaction with polycystins and primary cilium. Cell Signal 2019; 66:109468. [PMID: 31715259 DOI: 10.1016/j.cellsig.2019.109468] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/08/2019] [Accepted: 11/08/2019] [Indexed: 12/19/2022]
Abstract
Over-activation of the PI3K/Akt/mTOR network is a well-known pathogenic event that leads to hyper-proliferation. Pharmacological targeting of this pathway has been developed for the treatment of multiple diseases, including cancer. In polycystic kidney disease (PKD), the mTOR cascade promotes cyst growth by boosting proliferation, size and metabolism of kidney tubule epithelial cells. Therefore, mTOR inhibition has been tested in pre-clinical and clinical studies, but only the former showed positive results. This review reports recent discoveries describing the activity and molecular mechanisms of mTOR activation in tubule epithelial cells and cyst formation and discusses the evidence of an upstream regulation of mTOR by the PI3K/Akt axis. In particular, the complex interconnections of the PI3K/Akt/mTOR network with the principal signaling routes involved in the suppression of cyst formation are dissected. These interactions include the antagonism and the reciprocal negative regulation between mTOR complex 1 and the proteins whose deletion causes Autosomal Dominant PKD, the polycystins. In addition, the emerging role of phopshoinositides, membrane components modulated by PI3K, will be presented in the context of primary cilium signaling, cell polarization and protection from cyst formation. Overall, studies demonstrate that the activity of various members of the PI3K/Akt/mTOR network goes beyond the classical transduction of mitogenic signals and can impact several aspects of kidney tubule homeostasis and morphogenesis. These properties might be useful to guide the establishment of more effective treatment protocols to be tested in clinical trials.
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Affiliation(s)
- Jean Piero Margaria
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino 10126, Italy
| | - Carlo Cosimo Campa
- Department of Biosystems Science and Engineering, ETH Zurich, 4058 Basel, Switzerland
| | - Maria Chiara De Santis
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino 10126, Italy
| | - Emilio Hirsch
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino 10126, Italy
| | - Irene Franco
- Department of Biosciences and Nutrition, Center for Innovative Medicine, Karolinska Institutet, 14157 Huddinge, Sweden.
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Li Q, Mou Z, Yang K, Jiang H. A first case report of primary epithelial myoepithelial carcinoma-like renal tumor showing a perivascular pseudorosette-like pattern: Description of morphologic, immunohistochemical, and genetic features. Medicine (Baltimore) 2019; 98:e17245. [PMID: 31574838 PMCID: PMC6775372 DOI: 10.1097/md.0000000000017245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Over the past decade, although several new entities of renal tumors have emerged, a form of renal cell carcinoma (RCC) that morphologically resembles epithelial-myoepithelial carcinoma has not been reported thus far. Herein, we describe a case of an unusual renal tumor that remained unclassified under a current RCC subtype, and briefly present its morphologic, immunophenotypic, and genetic features. PATIENT CONCERNS The patient was an 85-year-old man who presented with hematuria and flank pain. Imaging studies revealed a left renal mass without enlarged lymph nodes. There were no abnormal masses or nodules in other organs. DIAGNOSES The patient underwent no other treatment except the left radical nephrectomy under a clinical diagnosis of invasive urothelial carcinoma and was discharged on the thirteenth day. Histologically, the renal tumor showed biphasic proliferation of epithelial (strongly cytokeratin-positive; P63, P40, and vimentin-negative) and myoepithelial (strongly vimentin-positive; focal P63 and P40-positive; and weakly cytokeratin-positive) cells arranged in a perivascular pseudorosette-like pattern. No mutations were detected in multiple gene tests. According to the pathological structure, the patient was diagnosed as primary epithelial myoepithelial carcinoma-like renal tumor. INTERVENTIONS To the best of our knowledge, the present tumor has not been previously described, and thus, this variant has not been integrated into a known form of PCC. Therefore, we cannot diagnose this type of tumor with other types of kidney tumors. OUTCOMES Three years after primary diagnosis, the patient died of multiple organ failure result from multiple distant metastases. LESSONS We present the first case of carcinoma of the kidney with EMC-like features and a perivascular pseudorosette-like growth pattern. Clinicians should be aware of the features of this uncommon variant of RCC to avoid diagnostic delays or misdiagnosis and prevent unnecessary or inappropriate treatment.
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Affiliation(s)
| | - Zheng Mou
- Department of Pharmacy, Qilu Hospital, Shandong University
| | - Kun Yang
- Central Laboratory, Affiliated Hospital of Qingdao University, Qingdao, China
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Zhuo D, Wu Y, Luo J, Deng L, Niu X. CSTP1 inhibits IL-6 expression through targeting Akt/FoxO3a signaling pathway in bladder cancer cells. Exp Cell Res 2019; 380:80-89. [PMID: 31002815 DOI: 10.1016/j.yexcr.2019.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/12/2019] [Accepted: 04/15/2019] [Indexed: 10/27/2022]
Abstract
CSTP1, a recently identified protein phosphotase, is frequently repressed in bladder cancers. Previous results showed that CSTP1 over-expression inhibited cell cycle progression and promoted apoptosis through dephosphorylating Akt kinase at Ser473 site in bladder cancer cells, but the mechanisms how CSTP1 exerted tumor suppressive activity remains unclear. In this study, we analyzed the gene expression profile changes that affected by CSTP1 overexpression by microarray, and reported that CSTP1 decreased IL-6 expression/secretion in bladder cancer cells and re-expression of IL-6 abrogated CSTP1's tumor suppressive activity. We also found that FoxO3a occupy IL-6 gene promoter and repressed IL mRNA transcription. Further results showed that decreased expression of IL-6 in CSTP1-overexpressing cells inactivated Stat3 transcriptional factor, which resulted in the down-regulation of cyclin D1, Bcl-xl expression. Spearman correlation analysis revealed that the mRNA level of CSTP1 correlated inversely with that of IL-6 in bladder cancer tissues. In conclusion, our studies revealed that protein phosphotase CSTP1 inhibited IL-6 expression through targeting Akt/FoxO3a signaling pathway and IL-6 inactivated Stat3 was necessary for CSTP1's tumor suppressive function.
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Affiliation(s)
- Dexiang Zhuo
- The Central Laboratory of Sanming First Hospital Affiliated to Fujian Medical University, Sanming City, 365000, China
| | - Yongyang Wu
- The Central Laboratory of Sanming First Hospital Affiliated to Fujian Medical University, Sanming City, 365000, China
| | - Jia Luo
- The Central Laboratory of Sanming First Hospital Affiliated to Fujian Medical University, Sanming City, 365000, China
| | - Ling Deng
- Department of Clinical Medical Oncology, Qingyuan People's Hospital, The Six Affiliated Hosptial of Guangzhou Medical University, Qingyuan City, 511518, China
| | - Xiaohua Niu
- Department of Gastrointestinal Surgery, Qingyuan People's Hospital, The Six Affiliated Hosptial of Guangzhou Medical University, Qingyuan City, 511518, China.
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Noorolyai S, Shajari N, Baghbani E, Sadreddini S, Baradaran B. The relation between PI3K/AKT signalling pathway and cancer. Gene 2019; 698:120-128. [PMID: 30849534 DOI: 10.1016/j.gene.2019.02.076] [Citation(s) in RCA: 311] [Impact Index Per Article: 62.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/08/2019] [Accepted: 02/17/2019] [Indexed: 12/19/2022]
Abstract
Phosphatidylinositol 3-kinases (PI3Ks) are crucial coordinators of intracellular signalling in response to the extracellular stimulators. Hyperactivation of PI3K signalling cascades is one among the most ordinary events in human cancers. Focusing on the PI3K pathway remains both a chance and a challenge for cancer therapy. The high recurrence of phosphoinositide 3-kinase (PI3K) pathway adjustments in cancer has led to a surge in the progression of PI3K inhibitors. Recent developments incorporate a re-assessment of the oncogenic mechanisms behind PI3K pathway modifications. Receptor tyrosine kinases upstream of PI3K, the p110a catalytic fractional unit of PI3K, the downstream kinase, AKT, and therefore the negative regulator, PTEN, are all often altered in cancer. In this review, we consider about the phosphoinositide 3-kinases family and mechanisms of PI3K-Akt stimulation in cancer.
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Affiliation(s)
- Saeed Noorolyai
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Shajari
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Baghbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Sadreddini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Tabayoyong W, Kamat AM. Current Use and Promise of Urinary Markers for Urothelial Cancer. Curr Urol Rep 2018; 19:96. [DOI: 10.1007/s11934-018-0857-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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39
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Zhu YD, Lu MY. Increased expression of TNFRSF14 indicates good prognosis and inhibits bladder cancer proliferation by promoting apoptosis. Mol Med Rep 2018; 18:3403-3410. [PMID: 30066919 DOI: 10.3892/mmr.2018.9306] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 05/23/2018] [Indexed: 11/06/2022] Open
Abstract
Despite advances in management, bladder cancer remains a principal cause of cancer‑associated complications. Tumor necrosis factor receptor superfamily member 14 (TNFRSF14) is dysregulated in certain types of cancer; however, limited data are available on the expression and function of TNFRSF14 in bladder cancer. In the present study, the aim was to evaluate the expression and biological functions of TNFRSF14 in bladder cancer. Firstly, the expression levels of TNFRSF14 in bladder cancer tissue were examined using The Cancer Genome Atlas (TCGA) database. Secondly, reverse transcription‑quantitative polymerase chain reaction was utilized to investigate the expression levels of TNFRSF14 in the T24, SW780 and EJ‑M3 bladder cancer cell lines. Transfection and Cell Counting kit‑8 (CCK‑8) assay was used to evaluate whether TNFRSF14 overexpression or silencing would have an effect on cell proliferation of T24 and EJ‑M3 cells. In addition, TNFRSF14‑induced apoptotic cells were identified using Annexin V‑fluorescein isothiocyanate and propidium iodide staining. Western blot analysis was used to detect proteins associated with the phosphatidylinositol 3‑kinase pathway. According to the TCGA dataset, the expression levels TNFRSF14 were decreased in bladder cancer tissue compared with in normal control samples. Patients with bladder cancer exhibiting low expression levels of TNFRSF14 had a worse prognosis compared to those with high expression levels of TNFRSF14. Overexpression of TNFRSF14 in T24 cells led to increased apoptosis and inhibited cell proliferation in vitro. Western blotting demonstrated that TNFRSF14 overexpression increased the expression levels of caspase3‑p17 in T24 cells, but significantly decreased the expression levels of phosphorylated (p)‑protein kinase B (AKT) and P70 S6 kinase (P70). TNFRSF14 silencing in EJ‑M3 cells enhanced cell growth, inhibited cell apoptosis, increased the expression levels of p‑AKT and P70, and decreased the expression levels of caspase3‑p17. In conclusion, TNFRSF14 may serve a tumor suppressive role in bladder cancer by inducing apoptosis and suppressing proliferation, and act as a novel prognostic biomarker for bladder cancer.
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Affiliation(s)
- Yu-Di Zhu
- Department of Urology, Ningbo No. 2 Hospital, School of Medicine, Ningbo University, Ningbo, Zhejiang 315010, P.R. China
| | - Ming-Yue Lu
- Department of Oncology, First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, P.R. China
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40
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Tan WS, Tan WP, Tan MY, Khetrapal P, Dong L, deWinter P, Feber A, Kelly JD. Novel urinary biomarkers for the detection of bladder cancer: A systematic review. Cancer Treat Rev 2018; 69:39-52. [PMID: 29902678 DOI: 10.1016/j.ctrv.2018.05.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/24/2018] [Accepted: 05/27/2018] [Indexed: 01/10/2023]
Abstract
BACKGROUND Urinary biomarkers for the diagnosis of bladder cancer represents an area of considerable research which has been tested in both patients presenting with haematuria and non-muscle invasive bladder cancer patients requiring surveillance cystoscopy. In this systematic review, we identify and appraise the diagnostic sensitive and specificity of reported novel biomarkers of different 'omic' class and highlight promising biomarkers investigated to date. METHODS A MEDLINE/Pubmed systematic search was performed between January 2013 and July 2017 using the following keywords: (bladder cancer OR transitional cell carcinoma OR urothelial cell carcinoma) AND (detection OR diagnosis) AND urine AND (biomarker OR assay). All studies had a minimum of 20 patients in both bladder cancer and control arms and reported sensitivity and/or specificity and/or receiver operating characteristics (ROC) curve. QUADAS-2 tool was used to assess risk of bias and applicability of studies. The search protocol was registered in the PROSPERO database (CRD42016049918). RESULTS Systematic search yielded 115 reports were included for analysis. In single target biomarkers had a sensitivity of 2-94%, specificity of 46-100%, positive predictive value (PPV) of 47-100% and negative predictive value (NPV) of 21-94%. Multi-target biomarkers achieved a sensitivity of 24-100%, specificity of 48-100%, PPV of 42-95% and NPV of 32-100%. 50 studies achieved a sensitivity and specificity of ≥80%. Protein (n = 59) and transcriptomic (n = 21) biomarkers represents the most studied biomarkers. Multi-target biomarker panels had a better diagnostic accuracy compared to single biomarker targets. Urinary cytology with urinary biomarkers improved the diagnostic ability of the biomarker. The sensitivity and specificity of biomarkers were higher for primary diagnosis compared to patients in the surveillance setting. Most studies were case control studies and did not have a predefined threshold to determine a positive test result indicating a possible risk of bias. CONCLUSION This comprehensive systematic review provides an update on urinary biomarkers of different 'omic' class and highlights promising biomarkers. Few biomarkers achieve a high sensitivity and negative predictive value. Such biomarkers will require external validation in a prospective observational setting before adoption in clinical practice.
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Affiliation(s)
- Wei Shen Tan
- Division of Surgery and Interventional Science, University College London, 3rd Floor Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK; Department of Urology, University College London Hospital at Westmoreland Street, 16-18 Westmoreland Street, London W1G 8PH, UK.
| | - Wei Phin Tan
- Department of Urology, Rush University Medical Center, 1653 W Congress Pkwy, Chicago, IL 60612, USA
| | - Mae-Yen Tan
- School of Public Health, London School of Hygiene & Tropical Medicine, Keppel Street, London WC1E 7HT, UK
| | - Pramit Khetrapal
- Division of Surgery and Interventional Science, University College London, 3rd Floor Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK; Department of Urology, University College London Hospital at Westmoreland Street, 16-18 Westmoreland Street, London W1G 8PH, UK
| | - Liqin Dong
- UCL Cancer Institute, University College London, Paul O'Gorman Building, 72 Huntley Street, London WC1E 6DD, UK
| | - Patricia deWinter
- Division of Surgery and Interventional Science, University College London, 3rd Floor Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Andrew Feber
- UCL Cancer Institute, University College London, Paul O'Gorman Building, 72 Huntley Street, London WC1E 6DD, UK
| | - John D Kelly
- Division of Surgery and Interventional Science, University College London, 3rd Floor Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK; Department of Urology, University College London Hospital at Westmoreland Street, 16-18 Westmoreland Street, London W1G 8PH, UK
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41
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Hamzehzadeh L, Atkin SL, Majeed M, Butler AE, Sahebkar A. The versatile role of curcumin in cancer prevention and treatment: A focus on PI3K/AKT pathway. J Cell Physiol 2018; 233:6530-6537. [PMID: 29693253 DOI: 10.1002/jcp.26620] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 03/28/2018] [Indexed: 12/24/2022]
Abstract
Despite significant advances in treatment modalities, millions of cancer-related deaths continue to occur annually, often as a consequence of developing resistance against the range of available chemotherapeutic drugs. Furthermore, available anti-cancer chemotherapeutic agents show limited efficacy, often have severe side effects, and are expensive. Thus, the discovery of pharmacological agents that do not have these disadvantages is necessary. Curcumin, a polyphenolic compound derived from turmeric (Curcumin longa L.), is one such agent that has been widely studied for its anti-inflammatory and/or anti-cancer effects. Curcumin exerts its anti-cancer effect by suppressing the initiation, progression, and metastasis of a variety of cancers and appears to inhibit carcinogenesis by affecting two main processes: angiogenesis and tumor growth. These anti-cancer effects are largely mediated via negative regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases, and other oncogenic molecules. The PI3K/AKT pathway is commonly activated in cancer initiation and progression. Considered to be the key signaling pathway, the phosphatidylinositol-3-kinase (PI3K)/protein kinase B (AKT) pathway therefore represents a key target for cancer therapeutics. In the current review, we focus upon curcumin's targeting of PI3K/AKT in different malignancies to effect inhibition of cancer development and progression.
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Affiliation(s)
- Leila Hamzehzadeh
- Faculty of Medicine, Department of Medical Genetics, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | | | - Alexandra E Butler
- Life Sciences Research Division, Anti-Doping Laboratory Qatar, Doha, Qatar
| | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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42
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Coant N, García-Barros M, Zhang Q, Obeid LM, Hannun YA. AKT as a key target for growth promoting functions of neutral ceramidase in colon cancer cells. Oncogene 2018; 37:3852-3863. [PMID: 29662189 PMCID: PMC6041258 DOI: 10.1038/s41388-018-0236-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 12/28/2017] [Accepted: 12/30/2017] [Indexed: 01/09/2023]
Abstract
Despite advances in the field, colorectal cancer (CRC) remains a leading cause of cancer-related mortality worldwide. Research into bioactive sphingolipids over the past two decades has played an important role in increasing our understanding of the pathogenesis and therapeutics of CRC. In the complex metabolic network of sphingolipids, ceramidases (CDases) have a key function. These enzymes hydrolyze ceramides into sphingosine (SPH) which in turn is phosphorylated by sphingosine kinases (SK) 1 and 2 to generate sphingosine-1 phosphate (S1P). Importantly, we have recently shown that inhibition of neutral CDase (nCDase) induces an increase of ceramide in colon cancer cells which decreases cellular growth, increases apoptosis and modulates the WNT/β-catenin pathway. We have also shown that the deletion of nCDase protected mice from the onset and progression of colorectal cancer in the AOM carcinogen model. Here we demonstrate that AKT is a key target for the growth suppressing functions of ceramide. The results show that inhibition of nCDase activates GSK3β through dephosphorylation, and thus is required for the subsequent phosphorylation and degradation of β-catenin. Our findings show that inhibition of nCDase also inhibits the basal activation status of AKT, and we further establish that a constitutively active AKT (AKT T308D, S473D; AKTDD) reverses the effect of nCDase on β-catenin degradation. Functionally, the AKTDD mutant is able to overcome the growth suppressive effects of nCDase inhibition in CRC cells. Moreover, nCDase inhibition induces a growth delay of xenograft tumors from control cells, whereas xenograft tumors from constitutively active AKT cells become resistant to nCDase inhibition. Taken together, these results provide important mechanistic insight into how nCDase regulates cell proliferation. These findings demonstrate a heretofore unappreciated, but critical, role for nCDase in enabling/maintaining basal activation of AKT and also suggest that nCDase is a suitable novel target for colon cancer therapy.
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Affiliation(s)
- Nicolas Coant
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | | | - Qifeng Zhang
- Signalling Programme, Babraham Institute, Babraham Research Campus, Cambridge, UK
| | - Lina M Obeid
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA.,Department of Medicine, Stony Brook University, Stony Brook, NY, USA.,Northport VA Medical Center, Northport, NY, USA
| | - Yusuf A Hannun
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA. .,Department of Medicine, Stony Brook University, Stony Brook, NY, USA.
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Wei L, Chintala S, Ciamporcero E, Ramakrishnan S, Elbanna M, Wang J, Hu Q, Glenn ST, Murakami M, Liu L, Gomez EC, Sun Y, Conroy J, Miles KM, Malathi K, Ramaiah S, Anbarasu A, Woloszynska-Read A, Johnson CS, Conroy J, Liu S, Morrison CD, Pili R. Genomic profiling is predictive of response to cisplatin treatment but not to PI3K inhibition in bladder cancer patient-derived xenografts. Oncotarget 2018; 7:76374-76389. [PMID: 27823983 PMCID: PMC5363516 DOI: 10.18632/oncotarget.13062] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 10/22/2016] [Indexed: 11/25/2022] Open
Abstract
Purpose Effective systemic therapeutic options are limited for bladder cancer. In this preclinical study we tested whether bladder cancer gene alterations may be predictive of treatment response. Experimental design We performed genomic profiling of two bladder cancer patient derived tumor xenografts (PDX). We optimized the exome sequence analysis method to overcome the mouse genome interference. Results We identified a number of somatic mutations, mostly shared by the primary tumors and PDX. In particular, BLCAb001, which is less responsive to cisplatin than BLCAb002, carried non-sense mutations in several genes associated with cisplatin resistance, including MLH1, BRCA2, and CASP8. Furthermore, RNA-Seq analysis revealed the overexpression of cisplatin resistance associated genes such as SLC7A11, TLE4, and IL1A in BLCAb001. Two different PIK3CA mutations, E542K and E545K, were identified in BLCAb001 and BLCAb002, respectively. Thus, we tested whether the genomic profiling was predictive of response to a dual PI3K/mTOR targeting agent, LY3023414. Despite harboring similar PIK3CA mutations, BLCAb001 and BLCAb002 exhibited differential response, both in vitro and in vivo. Sustained target modulation was observed in the sensitive model BLCAb002 but not in BLCAb001, as well as decreased autophagy. Interestingly, computational modelling of mutant structures and affinity binding to PI3K revealed that E542K mutation was associated with weaker drug binding than E545K. Conclusions Our results suggest that the presence of activating PIK3CA mutations may not necessarily predict in vivo treatment response to PI3K targeted therapies, while specific gene alterations may be predictive for cisplatin response in bladder cancer models and, potentially, in patients as well.
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Affiliation(s)
- Lei Wei
- Department of Biostatistics & Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Sreenivasulu Chintala
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, NY, USA.,Genitourinary Program, Indiana University-Simon Cancer Center, Indianapolis, IN, USA
| | - Eric Ciamporcero
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Swathi Ramakrishnan
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - May Elbanna
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Genitourinary Program, Indiana University-Simon Cancer Center, Indianapolis, IN, USA
| | - Jianmin Wang
- Department of Biostatistics & Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Qiang Hu
- Department of Biostatistics & Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Sean T Glenn
- Department of Cancer Genetics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Mitsuko Murakami
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Lu Liu
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Eduardo Cortes Gomez
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Yuchen Sun
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Jacob Conroy
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Kiersten Marie Miles
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Kullappan Malathi
- Medical & Biological Computing Laboratory, School of Biosciences and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Sudha Ramaiah
- Medical & Biological Computing Laboratory, School of Biosciences and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Anand Anbarasu
- Medical & Biological Computing Laboratory, School of Biosciences and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Anna Woloszynska-Read
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Candace S Johnson
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Jeffrey Conroy
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Song Liu
- Department of Biostatistics & Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Carl D Morrison
- Center for Personalized Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Roberto Pili
- Genitourinary Program, Roswell Park Cancer Institute, Buffalo, NY, USA.,Genitourinary Program, Indiana University-Simon Cancer Center, Indianapolis, IN, USA
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44
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Segovia C, Martínez-Fernández M, Dueñas M, Rubio C, López-Calderón FF, Costa C, Saiz-Ladera C, Fernández-Grajera M, Duarte J, Muñoz HG, de la Rosa F, Villacampa F, Castellano D, Paramio JM. Opposing roles of PIK3CA gene alterations to EZH2 signaling in non-muscle invasive bladder cancer. Oncotarget 2018; 8:10531-10542. [PMID: 28060766 PMCID: PMC5354678 DOI: 10.18632/oncotarget.14453] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 12/12/2016] [Indexed: 12/03/2022] Open
Abstract
The high rates of tumor recurrence and progression represent a major clinical problem in non-muscle invasive bladder cancer. Previous data showed that EZH2-dependent signaling mediates these processes, whereas the frequent alterations of PIK3CA gene (copy gains and mutations) are predictive of reduced recurrence. Here we show, using clinical samples and bladder cancer cell lines, a functional interaction between EZH2- and PIK3CA-dependent signaling pathways. PIK3CA alterations mediated, on the one hand, the increased expression of two miRNAs, miR-101 and miR-138, which posttranscriptionally downregulate EZH2 expression. On the other hand, PIK3CA alterations facilitate the activation of Akt which phosphorylates EZH2 on Ser21, precluding the trimethylation of histone H3 in K27. Remarkably the increased expression of miR101 or miR138 and the expression of Ser21-phosphorylated EZH2 are good prognostic factors regarding non-muscle invasive bladder cancer recurrence and progression. Collectively, this study provides molecular evidences indicating that the gene expression rewiring occurring in primary bladder tumors, associated with increased EZH2 expression and activity and mediating the increased recurrence and progression risk, are prevented by PIK3CA-dependent signaling. This molecular process may have deep implications in the management of bladder cancer patients and in the design of novel molecularly targeted therapeutic approaches.
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Affiliation(s)
- Cristina Segovia
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Mónica Martínez-Fernández
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Marta Dueñas
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Carolina Rubio
- Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | | | - Clotilde Costa
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Unidad Mixta Roche-CHUS, Hospital Universitario de Santiago de Compostela, Travesía de Choupana, s/n, Santiago de Compostela, A Coruña, Spain
| | - Cristina Saiz-Ladera
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Departamento de Bioquímica y Biología Molecular I, Facultad de Biología, Universidad Complutense, Madrid, Spain
| | | | - José Duarte
- Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Huberto García Muñoz
- Servicio de Anatomía Patológica, Hospital Universitario 12 de Octubre, Instituto de Investigación 12 de Octubre i+12, UCM, Av Cordoba s/n, Madrid, Spain
| | - Federico de la Rosa
- Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Felipe Villacampa
- Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Daniel Castellano
- Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
| | - Jesús M Paramio
- Unidad de Oncología Molecular, CIEMAT (ed70A), Madrid, Spain.,Grupo de Oncología celular y Molecular, Hospital Universitario 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBER ONC), Spain
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45
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Detection of multiple mutations in urinary exfoliated cells from male bladder cancer patients at diagnosis and during follow-up. Oncotarget 2018; 7:67435-67448. [PMID: 27611947 PMCID: PMC5341887 DOI: 10.18632/oncotarget.11883] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 08/25/2016] [Indexed: 02/03/2023] Open
Abstract
Most bladder cancer (BC) patients need life-long, invasive and expensive monitoring and treatment, making it a serious burden on the health system. Thus, there is a pressing need for an accurate test to assist diagnosis and surveillance of BC as an alternative to cystoscopy. Mutations in human TERT, FGFR3, PIK3CA, and RAS genes have been proposed as potential molecular markers in bladder tumor. Their concomitant presence in urine samples has not been fully explored. We investigated a panel of mutations in DNA from exfoliated urinary cells of 255 BC patients at diagnosis. Forty-one mutations in TERT, FGFR3, PIK3CA, and RAS were analyzed by SNaPshot assay in relation to clinical outcome. In 81 of these patients under surveillance, the same set of mutations was screened in additional 324 samples prospectively collected. The most common mutations detected in urine at diagnosis were in the TERT promoter. In non-invasive BC, these mutations were related to high risk and grade (p<0.0001) as well as progression to muscle-invasive disease (p=0.01), whereas FGFR3 mutations were observed in low-grade BC (p=0.02) and patients with recurrences (p=0.05). Stronger associations were observed for combined TERT and FGFR3 mutations and number of recurrences (OR: 4.54 95% CI: 1.23-16.79, p=0.02). Analyses of the area under the curve for combinations of mutations detected at diagnosis and follow-up showed an accuracy of prediction of recurrence of 0.80 (95% CI: 0.71-0.89). Mutations in urine of BC patients may represent reliable biomarkers. In particular, TERT and FGFR3 mutations have a good accuracy of recurrence prediction.
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46
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Bizhani F, Hashemi M, Danesh H, Nouralizadeh A, Narouie B, Bahari G, Ghavami S. Association between single nucleotide polymorphisms in the PI3K/AKT/mTOR pathway and bladder cancer risk in a sample of Iranian population. EXCLI JOURNAL 2018; 17:3-13. [PMID: 29383014 PMCID: PMC5780628 DOI: 10.17179/excli2017-329] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 12/14/2017] [Indexed: 12/25/2022]
Abstract
In the past few years several investigations have focused on the role of PI3K/AKT/mTOR pathway and its deregulations in different cancers. This study aimed to examine genetic polymorphisms of this pathway in bladder cancer (BC). In this case-control study, 235 patients with pathologically confirmed bladder cancer and 254 control subjects were examined. PIK3CA, AKT1 and mTOR variants were analyzed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The findings proposed that the PIK3CA rs6443624 SNP significantly decreased the risk of BC (OR=0.44, 95 % CI=0.30-0.65, p<0.0001 CA vs CC; OR=0.35, 95 % CI=0.16-0.78, p=0.0107, AA vs CC; OR=0.60, 95 % CI=0.46-0.79, p=0.0002, A vs T). The AKT1 rs2498801 variant is associated with a decreased risk of BC (OR=0.57, 95 % CI=0.39-0.82, p=0.003, AG vs AA; OR=0.74, 95 % CI=0.56-0.97, p=0.032, G vs A) while, AKT1 rs1130233 polymorphism considerably increased the risk of BC (OR=3.70, 95 % CI=2.52-5.43, p<0.0001, GA vs GG; OR=5.81, 95 % CI=1.53-21.97, p=0.010, AA vs GG; OR=2.71, 95 % CI=1.98-3.70, p<0.0001, A vs G). Additionally, mTOR rs2295080 variant notably increased the risk of BC (OR=2.25, 95 % CI=1.50-3.38, p<0.0001, GT vs GG; OR=4.75, 95 % CI=2.80-8.06, p<0.0001, TT vs GG; OR=3.10, 95 % CI=2.34-4.10, p<0.0001, T vs G). None of the other examined polymorphisms (AKT1 rs1130214, AKT1 rs3730358, mTOR rs1883965) revealed significant association with BC. In conclusion, our findings suggest that PIK3CA rs6443624, AKT1 rs2498801, AKT1 rs1130233, as well mTOR rs2295080 polymorphism may be related to bladder cancer development in a sample of Iranian population. Validation of our findings in larger sample sizes of different ethnicities would provide evidence on the role of variants of PI3K/AKT/mTOR pathway in developing BC.
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Affiliation(s)
- Fatemeh Bizhani
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad Hashemi
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hiva Danesh
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Akbar Nouralizadeh
- Urology and Nephrology Research Center; Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behzad Narouie
- Urology and Nephrology Research Center; Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Gholamreza Bahari
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, College of Medicine, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E 0J9, Canada.,Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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47
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Chen CY, Chen J, He L, Stiles BL. PTEN: Tumor Suppressor and Metabolic Regulator. Front Endocrinol (Lausanne) 2018; 9:338. [PMID: 30038596 PMCID: PMC6046409 DOI: 10.3389/fendo.2018.00338] [Citation(s) in RCA: 335] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 06/05/2018] [Indexed: 12/19/2022] Open
Abstract
Phosphatase and Tensin Homolog deleted on Chromosome 10 (PTEN) is a dual phosphatase with both protein and lipid phosphatase activities. PTEN was first discovered as a tumor suppressor with growth and survival regulatory functions. In recent years, the function of PTEN as a metabolic regulator has attracted significant attention. As the lipid phosphatase that dephosphorylates phosphatidylinositol-3, 4, 5-phosphate (PIP3), PTEN reduces the level of PIP3, a critical 2nd messenger mediating the signal of not only growth factors but also insulin. In this review, we introduced the discovery of PTEN, the PTEN-regulated canonical and nuclear signals, and PTEN regulation. We then focused on the role of PTEN and PTEN-regulated signals in metabolic regulation. This included the role of PTEN in glycolysis, gluconeogenesis, glycogen synthesis, lipid metabolism as well as mitochondrial metabolism. We also included how PTEN and PTEN regulated metabolic functions may act paradoxically toward insulin sensitivity and tumor metabolism and growth. Further understanding of how PTEN regulates metabolism and how such regulations lead to different biological outcomes is necessary for interventions targeting at the PTEN-regulated signals in either cancer or diabetes treatment.
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Affiliation(s)
- Chien-Yu Chen
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, United States
| | - Jingyu Chen
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, United States
| | - Lina He
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, United States
| | - Bangyan L. Stiles
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, United States
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
- *Correspondence: Bangyan L. Stiles
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48
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Rieken M, Shariat SF, Karam JA, Foerster B, Khani F, Gust K, Abufaraj M, Wood CG, Weizer AZ, Raman JD, Guo CC, Rioux-Leclercq N, Haitel A, Bensalah K, Lotan Y, Bachmann A, De Marzo AM, Robinson BD, Margulis V. Frequency and Prognostic Value of PTEN Loss in Patients with Upper Tract Urothelial Carcinoma Treated with Radical Nephroureterectomy. J Urol 2017; 198:1269-1277. [DOI: 10.1016/j.juro.2017.06.096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2017] [Indexed: 01/22/2023]
Affiliation(s)
- Malte Rieken
- Department of Urology, Weill Cornell Medical College, New York, New York
- Department of Urology, Medical University of Vienna, Austria
| | - Shahrokh F. Shariat
- Department of Urology, Weill Cornell Medical College, New York, New York
- Department of Urology, Medical University of Vienna, Austria
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jose A. Karam
- Department of Urology, University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Beat Foerster
- Department of Urology, Medical University of Vienna, Austria
- Department of Urology, Kantonsspital Winterthur, Winterthur, Switzerland
| | - Francesca Khani
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York
| | - Kilian Gust
- Department of Urology, Medical University of Vienna, Austria
| | - Mohammad Abufaraj
- Department of Urology, Medical University of Vienna, Austria
- Division of Urology, Department of Special Surgery, Jordan University Hospital, University of Jordan, Amman, Jordan
| | - Christopher G. Wood
- Department of Urology, University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Alon Z. Weizer
- Department of Urology, University of Michigan, Ann Arbor, Michigan
| | - Jay D. Raman
- Division of Urology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Charles C. Guo
- Department of Pathology, University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | | | - Andrea Haitel
- Department of Pathology, Medical University of Vienna, Austria
| | - Karim Bensalah
- Department of Urology, University of Rennes, Rennes, France
| | - Yair Lotan
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Angelo M. De Marzo
- Departments of Pathology, Urology and Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Brian D. Robinson
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York
| | - Vitaly Margulis
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
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49
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Peng C, Li A, Wang M. Discovery of Bladder Cancer-related Genes Using Integrative Heterogeneous Network Modeling of Multi-omics Data. Sci Rep 2017; 7:15639. [PMID: 29142286 PMCID: PMC5688092 DOI: 10.1038/s41598-017-15890-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 11/02/2017] [Indexed: 02/06/2023] Open
Abstract
In human health, a fundamental challenge is the identification of disease-related genes. Bladder cancer (BC) is a worldwide malignant tumor, which has resulted in 170,000 deaths in 2010 up from 114,000 in 1990. Moreover, with the emergence of multi-omics data, more comprehensive analysis of human diseases become possible. In this study, we propose a multi-step approach for the identification of BC-related genes by using integrative Heterogeneous Network Modeling of Multi-Omics data (iHNMMO). The heterogeneous network model properly and comprehensively reflects the multiple kinds of relationships between genes in the multi-omics data of BC, including general relationships, unique relationships under BC condition, correlational relationships within each omics and regulatory relationships between different omics. Besides, a network-based propagation algorithm with resistance is utilized to quantize the relationships between genes and BC precisely. The results of comprehensive performance evaluation suggest that iHNMMO significantly outperforms other approaches. Moreover, further analysis suggests that the top ranked genes may be functionally implicated in BC, which also confirms the superiority of iHNMMO. In summary, this study shows that disease-related genes can be better identified through reasonable integration of multi-omics data.
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Affiliation(s)
- Chen Peng
- School of Information Science and Technology, University of Science and Technology of China, Hefei, AH230027, China
- Institute of Machine Learning and Systems Biology, College of Electronics and Information Engineering, Tongji University, Shanghai, 201804, P.R. China
| | - Ao Li
- School of Information Science and Technology, University of Science and Technology of China, Hefei, AH230027, China.
- Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, AH230037, China.
| | - Minghui Wang
- School of Information Science and Technology, University of Science and Technology of China, Hefei, AH230027, China
- Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, AH230037, China
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50
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The Current Status and Future Role of the Phosphoinositide 3 Kinase/AKT Signaling Pathway in Urothelial Cancer: An Old Pathway in the New Immunotherapy Era. Clin Genitourin Cancer 2017; 16:e269-e276. [PMID: 29199023 DOI: 10.1016/j.clgc.2017.10.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 10/13/2017] [Accepted: 10/14/2017] [Indexed: 12/11/2022]
Abstract
The phosphoinositide 3 kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway is a well studied signaling pathway that regulates diverse cellular functions including proliferation, metabolism, and transcription. Aberrant activation of this pathway has been implicated in multiple cancers. Genomic studies have shown that activating mutations in oncogenes as well as inactivating mutations in tumor suppressor genes are present across a variety of malignancies, including urothelial carcinoma. In bladder cancer, up to 40% of tumors exhibit constitutive activation of the PI3K/AKT/mTOR pathway. Current treatments for non-muscle-invasive disease confer a 5-year cancer-specific survival rate as high as 90%. However, patients with muscle-invasive, recurrent, or metastatic disease have a poor prognosis. Although the introduction of immune checkpoint inhibitors is certainly changing the therapeutic landscape and is a great addition to the platinum-based therapy that was the standard of care for the past 3 decades, it is anticipated that a great number of patients would fail to respond or their disease would progress with either chemotherapy or immunotherapy. Therefore, the use of agents that target members of the PI3K/AKT/mTOR pathway represent an attractive, alternative therapeutic strategy for patients with advanced urothelial carcinoma. In this review we describe the pathway, with a focus on the rationale for targeting the PI3K/AKT/mTOR pathway in patients with advanced urothelial carcinoma and considers the challenges that we face from the current clinical trials. Novel agents such as PI3K inhibitors and microRNA inhibitors that target this pathway might lead to durable responses especially when used in combination with chemotherapy or immune checkpoint inhibitors, however, toxicity remains an obstacle. Finally, in this review we discuss the importance of developing biomarkers to help select appropriate patients and identify optimal treatment options.
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