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Shen J, He Y, Li S, Chen H. Crosstalk of methylation and tamoxifen in breast cancer (Review). Mol Med Rep 2024; 30:180. [PMID: 39129315 PMCID: PMC11338244 DOI: 10.3892/mmr.2024.13304] [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: 06/02/2024] [Accepted: 07/23/2024] [Indexed: 08/13/2024] Open
Abstract
Tamoxifen is a widely used anti‑estrogen drug in the endocrine therapy of breast cancer (BC). It blocks estrogen signaling by competitively binding to estrogen receptor α (ERα), thereby inhibiting the growth of BC cells. However, with the long‑term application of tamoxifen, a subset of patients with BC have shown resistance to tamoxifen, which leads to low overall survival and progression‑free survival. The molecular mechanism of resistance is mainly due to downregulation of ERα expression and abnormal activation of the PI3K/AKT/mTOR signaling pathway. Moreover, the downregulation of targeted gene expression mediated by DNA methylation is an important regulatory mode to control protein expression. In the present review, methylation and tamoxifen are briefly introduced, followed by a focus on the effect of methylation on tamoxifen resistance and sensitivity. Finally, the clinical application of methylation for tamoxifen is described, including its use as a prognostic indicator. Finally, it is hypothesized that when methylation is used in combination with tamoxifen, it could recover the resistance of tamoxifen.
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Affiliation(s)
- Jin Shen
- Department of Rehabilitation, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, Hunan 412000, P.R. China
| | - Yan He
- Department of Neurology, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, Hunan 412000, P.R. China
| | - Shengpeng Li
- Department of Rehabilitation, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, Hunan 412000, P.R. China
| | - Huimin Chen
- Department of Rehabilitation, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, Hunan 412000, P.R. China
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2
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Alves Â, Medeiros R, Teixeira AL, Dias F. Decoding PTEN regulation in clear cell renal cell carcinoma: Pathway for biomarker discovery and therapeutic insights. Biochim Biophys Acta Rev Cancer 2024; 1879:189165. [PMID: 39117092 DOI: 10.1016/j.bbcan.2024.189165] [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: 03/12/2024] [Revised: 07/29/2024] [Accepted: 07/31/2024] [Indexed: 08/10/2024]
Abstract
Renal cell carcinoma is the most common adult renal solid tumor and the deadliest urological cancer, with clear cell renal cell carcinoma (ccRCC) being the predominant subtype. The PI3K/AKT signaling pathway assumes a central role in ccRCC tumorigenesis, wherein its abnormal activation confers a highly aggressive phenotype, leading to swift resistance against current therapies and distant metastasis. Thus, treatment resistance and disease progression remain a persistent clinical challenge in managing ccRCC effectively. PTEN, an antagonist of the PI3K/AKT signaling axis, emerges as a crucial factor in tumor progression, often experiencing loss or inactivation in ccRCC, thereby contributing to elevated mortality rates in patients. Therefore, understanding the molecular mechanisms underlying PTEN suppression in ccRCC tumors holds promise for the discovery of biomarkers and therapeutic targets, ultimately enhancing patient monitoring and treatment outcomes. The present review aims to summarize these mechanisms, emphasizing their potential prognostic, predictive, and therapeutic value in managing ccRCC.
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Affiliation(s)
- Ângela Alves
- Molecular Oncology and Viral Pathology Group, Research Center of IPO-Porto (CI-IPOP) &RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto), Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-513 Porto, Portugal
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, Research Center of IPO-Porto (CI-IPOP) &RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto), Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-513 Porto, Portugal; Faculty of Medicine (FMUP), University of Porto, 4200-319 Porto, Portugal; Laboratory Medicine, Clinical Pathology Department, Portuguese Oncology Institute of Porto (IPO-Porto), 4200-072 Porto, Portugal; Biomedicine Research Center (CEBIMED), Research Innovation and Development Institute (FP-I3ID), Faculty of Health Sciences, Fernando Pessoa University (UFP), 4249-004 Porto, Portugal; Research Department, Portuguese League Against Cancer Northern Branch (LPCC-NRN), 4200-172 Porto, Portugal
| | - Ana Luísa Teixeira
- Molecular Oncology and Viral Pathology Group, Research Center of IPO-Porto (CI-IPOP) &RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto), Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal
| | - Francisca Dias
- Molecular Oncology and Viral Pathology Group, Research Center of IPO-Porto (CI-IPOP) &RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto), Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal.
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3
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Stockhammer P, Grant M, Wurtz A, Foggetti G, Expósito F, Gu J, Zhao H, Choi J, Chung S, Li F, Walther Z, Dietz J, Duffield E, Gettinger S, Politi K, Goldberg SB. Co-Occurring Alterations in Multiple Tumor Suppressor Genes Are Associated With Worse Outcomes in Patients With EGFR-Mutant Lung Cancer. J Thorac Oncol 2024; 19:240-251. [PMID: 37806385 PMCID: PMC11364167 DOI: 10.1016/j.jtho.2023.10.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/10/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Abstract
INTRODUCTION Patients with metastatic EGFR-mutant NSCLC inevitably have disease progression while on tyrosine kinase inhibitor (TKI) therapy. Co-occurring tumor suppressor gene (TSG) alterations have been associated with poor outcomes, however, detailed analyses of their impact on patient outcomes are limited. METHODS Patients with EGFR-mutant NSCLC treated with EGFR TKIs who had tumor genomic profiling were included. Alterations in TP53 and five additional TSGs (RB1, NF1, ARID1A, BRCA1, and PTEN) were used to stratify the cohort into the following three subgroups: patients with tumors harboring a TP53 mutation plus a mutation in at least one additional TSG (TP53mut/TSGmut), those having a TP53 mutation without additional TSG mutations (TP53mut/TSGwt), and those with TP53wt. Patient characteristics and clinical outcomes were assessed in two independent cohorts. RESULTS A total of 101 patients from the Yale Cancer Center and 182 patients from the American Association for Cancer Research Project GENIE database were included. In the Yale cohort, TP53 mutations were identified in 65 cases (64%), of which 23 were TP53mut/TSGmut and 42 were TP53mut/TSGwt. Although the presence of a TP53 mutation was associated with worse outcomes, the additional TSG alteration in TP53mut tumors identified a subset of patients associated with particularly aggressive disease and inferior clinical outcome in both the Yale and the GENIE cohorts. Specifically, in the Yale cohort for patients receiving first-line TKIs, those with TP53mut/TSGmut tumors had shorter progression-free survival (PFS) and overall survival (OS) than TP53mut/TSGwt (PFS: hazard ratio [HR] = 2.03, confidence interval [CI]: 1.12-3.69, p < 0.01, OS: HR = 1.58, CI: 0.82-3.04, p = 0.12) or TP53wt cases (PFS: HR 2.4, CI: 1.28-4.47, p < 0.001, OS: HR = 2.54, CI: 1.21-5.34, p < 0.005). Inferior outcomes in patients with TP53mut/TSGmut tumors were also found in those receiving osimertinib as second-line therapy. Similar findings were seen in patients in the GENIE cohort. CONCLUSIONS Patients with TP53mut/TSGmut tumors represent a patient subgroup characterized by an aggressive disease phenotype and inferior outcomes on EGFR TKIs. This information is important for understanding the biological underpinnings of differential outcomes with TKI treatment and has implications for identifying patients who may benefit from additional therapeutic interventions beyond osimertinib monotherapy.
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Affiliation(s)
- Paul Stockhammer
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Michael Grant
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Anna Wurtz
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Giorgia Foggetti
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut; Vita-Salute San Raffaele University, Milano, Italy; Medical Oncology Department, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale San Raffaele, Milano, Italy
| | - Francisco Expósito
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Jianlei Gu
- Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut
| | - Hongyu Zhao
- Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut
| | - Jungmin Choi
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, South Korea
| | - Sangyun Chung
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Fangyong Li
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Zenta Walther
- Department of Pathology, Yale School of Medicine, New Haven, Connecticut
| | - Julia Dietz
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Emily Duffield
- Yale New Haven Hospital, Smilow Cancer Hospital, New Haven, Connecticut
| | - Scott Gettinger
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Katerina Politi
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut; Department of Pathology, Yale School of Medicine, New Haven, Connecticut
| | - Sarah B Goldberg
- Section of Medical Oncology, Department of Medicine, Yale School of Medicine, New Haven, Connecticut.
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4
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Ali M, Mishra D, Singh RP. Cancer Pathways Targeted by Berberine: Role of microRNAs. Curr Med Chem 2024; 31:5178-5198. [PMID: 38303534 DOI: 10.2174/0109298673275121231228124031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/26/2023] [Accepted: 12/06/2023] [Indexed: 02/03/2024]
Abstract
Cancer is a complex and heterogeneous malignant disease. Due to its multifactorial nature, including progressive changes in genetic, epigenetic, transcript, and protein levels, conventional therapeutics fail to save cancer patients. Evidence indicates that dysregulation of microRNA (miRNA) expression plays a crucial role in tumorigenesis, metastasis, cell proliferation, differentiation, metabolism, and signaling pathways. Moreover, miRNAs can be used as diagnostic and prognostic markers and therapeutic targets in cancer. Berberine, a naturally occurring plant alkaloid, has a wide spectrum of biological activities in different types of cancers. Inhibition of cell proliferation, metastasis, migration, invasion, and angiogenesis, as well as induction of cell cycle arrest and apoptosis in cancer cells, is reported by berberine. Recent studies suggested that berberine regulates many oncogenic and tumor suppressor miRNAs implicated in different phases of cancer. This review discussed how berberine inhibits cancer growth and propagation and regulates miRNAs in cancer cells. And how berberine-mediated miRNA regulation changes the landscape of transcripts and proteins that promote or suppress cancer progression. Overall, the underlying molecular pathways altered by berberine and miRNA influencing the tumor pathophysiology will enhance our understanding to combat the malignancy.
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Affiliation(s)
- Mansoor Ali
- Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Deepali Mishra
- Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Rana Pratap Singh
- Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi, India
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, University of Colorado Denver, Aurora, CO, USA
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5
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Petrović N, Essack M, Šami A, Perry G, Gojobori T, Isenović ER, Bajić VP. MicroRNA networks linked with BRCA1/2, PTEN, and common genes for Alzheimer's disease and breast cancer share highly enriched pathways that may unravel targets for the AD/BC comorbidity treatment. Comput Biol Chem 2023; 106:107925. [PMID: 37487248 DOI: 10.1016/j.compbiolchem.2023.107925] [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: 08/15/2022] [Revised: 06/29/2023] [Accepted: 07/13/2023] [Indexed: 07/26/2023]
Abstract
MicroRNAs (miRNAs) are involved in the regulation of various cellular processes including pathological conditions. MiRNA networks have been extensively researched in age-related degenerative diseases, such as cancer, Alzheimer's disease (AD), and heart failure. Thus, miRNA has been studied from different approaches, in vivo, in vitro, and in silico including miRNA networks. Networks linking diverse biomedical entities unveil information not readily observable by other means. This work focuses on biological networks related to Breast cancer susceptibility 1 (BRCA1) in AD and breast cancer (BC). Using various bioinformatics approaches, we identified subnetworks common to AD and BC that suggest they are linked. According to our results, miR-107 was identified as a potentially good candidate for both AD and BC treatment (targeting BRCA1/2 and PTEN in both diseases), accompanied by miR-146a and miR-17. The analysis also confirmed the involvement of the miR-17-92 cluster, and miR-124-3p, and highlighted the importance of poorly researched miRNAs such as mir-6785 mir-6127, mir-6870, or miR-8485. After filtering the in silico analysis results, we found 49 miRNA molecules that modulate the expression of at least five genes common to both BC and AD. Those 49 miRNAs regulate the expression of 122 genes in AD and 93 genes in BC, from which 26 genes are common genes for AD and BC involved in neuron differentiation and genesis, cell differentiation and migration, regulation of cell cycle, and cancer development. Additionally, the highly enriched pathway was associated with diabetic complications, pointing out possible interplay among molecules underlying BC, AD, and diabetes pathology.
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Affiliation(s)
- Nina Petrović
- Laboratory for Radiobiology and Molecular Genetics, Department of Health and Environment, "VINČA "Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, 11001 Belgrade, Serbia; Department for Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | - Magbubah Essack
- Computer, Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center, Computer (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Ahmad Šami
- Cellular and Molecular Radiation Oncology Laboratory, Department of Radiation Oncology, Universitatsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - George Perry
- Department of Biology, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Takashi Gojobori
- Computer, Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center, Computer (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Esma R Isenović
- Laboratory for Radiobiology and Molecular Genetics, Department of Health and Environment, "VINČA "Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, 11001 Belgrade, Serbia
| | - Vladan P Bajić
- Laboratory for Radiobiology and Molecular Genetics, Department of Health and Environment, "VINČA "Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, 11001 Belgrade, Serbia.
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6
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Bergholz JS, Wang Q, Wang Q, Ramseier M, Prakadan S, Wang W, Fang R, Kabraji S, Zhou Q, Gray GK, Abell-Hart K, Xie S, Guo X, Gu H, Von T, Jiang T, Tang S, Freeman GJ, Kim HJ, Shalek AK, Roberts TM, Zhao JJ. PI3Kβ controls immune evasion in PTEN-deficient breast tumours. Nature 2023; 617:139-146. [PMID: 37076617 PMCID: PMC10494520 DOI: 10.1038/s41586-023-05940-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 03/10/2023] [Indexed: 04/21/2023]
Abstract
Loss of the PTEN tumour suppressor is one of the most common oncogenic drivers across all cancer types1. PTEN is the major negative regulator of PI3K signalling. The PI3Kβ isoform has been shown to play an important role in PTEN-deficient tumours, but the mechanisms underlying the importance of PI3Kβ activity remain elusive. Here, using a syngeneic genetically engineered mouse model of invasive breast cancer driven by ablation of both Pten and Trp53 (which encodes p53), we show that genetic inactivation of PI3Kβ led to a robust anti-tumour immune response that abrogated tumour growth in syngeneic immunocompetent mice, but not in immunodeficient mice. Mechanistically, PI3Kβ inactivation in the PTEN-null setting led to reduced STAT3 signalling and increased the expression of immune stimulatory molecules, thereby promoting anti-tumour immune responses. Pharmacological PI3Kβ inhibition also elicited anti-tumour immunity and synergized with immunotherapy to inhibit tumour growth. Mice with complete responses to the combined treatment displayed immune memory and rejected tumours upon re-challenge. Our findings demonstrate a molecular mechanism linking PTEN loss and STAT3 activation in cancer and suggest that PI3Kβ controls immune escape in PTEN-null tumours, providing a rationale for combining PI3Kβ inhibitors with immunotherapy for the treatment of PTEN-deficient breast cancer.
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Affiliation(s)
- Johann S Bergholz
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Qiwei Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Qi Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Geode Therapeutics, Inc., Boston, MA, USA
| | - Michelle Ramseier
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Department of Chemistry, and Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Sanjay Prakadan
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Department of Chemistry, and Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Weihua Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Rong Fang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Ningbo Clinical Pathology Diagnosis Center, Ningbo, P. R. China
| | - Sheheryar Kabraji
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Qian Zhou
- Cancer Institute, Fudan University Shanghai Cancer Center, Shanghai, P. R. China
| | - G Kenneth Gray
- Department of Cell Biology and Ludwig Center at Harvard, Harvard Medical School, Boston, MA, USA
| | - Kayley Abell-Hart
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Shaozhen Xie
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Xiaocan Guo
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Hao Gu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Thanh Von
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Tao Jiang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Shuang Tang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Cancer Institute, Fudan University Shanghai Cancer Center, Shanghai, P. R. China
| | - Gordon J Freeman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Hye-Jung Kim
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Immunology Discovery, Genentech, South San Francisco, CA, USA
| | - Alex K Shalek
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Department of Chemistry, and Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Thomas M Roberts
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
| | - Jean J Zhao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.
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7
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Mastrodomenico L, Piombino C, Riccò B, Barbieri E, Venturelli M, Piacentini F, Dominici M, Cortesi L, Toss A. Personalized Systemic Therapies in Hereditary Cancer Syndromes. Genes (Basel) 2023; 14:684. [PMID: 36980956 PMCID: PMC10048191 DOI: 10.3390/genes14030684] [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: 12/10/2022] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Hereditary cancer syndromes are inherited disorders caused by germline pathogenic variants (PVs) that lead to an increased risk of developing certain types of cancer, frequently at an earlier age than in the rest of the population. The germline PVs promote cancer development, growth and survival, and may represent an ideal target for the personalized treatment of hereditary tumors. PARP inhibitors for the treatment of BRCA and PALB2-associated tumors, immune checkpoint inhibitors for tumors associated with the Lynch Syndrome, HIF-2α inhibitor in the VHL-related cancers and, finally, selective RET inhibitors for the treatment of MEN2-associated medullary thyroid cancer are the most successful examples of how a germline PVs can be exploited to develop effective personalized therapies and improve the outcome of these patients. The present review aims to describe and discuss the personalized systemic therapies for inherited cancer syndromes that have been developed and investigated in clinical trials in recent decades.
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Affiliation(s)
- Luciana Mastrodomenico
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Claudia Piombino
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Beatrice Riccò
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Elena Barbieri
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Marta Venturelli
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Federico Piacentini
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Massimo Dominici
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Laura Cortesi
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Angela Toss
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
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8
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Murai T, Matsuda S. The Chemopreventive Effects of Chlorogenic Acids, Phenolic Compounds in Coffee, against Inflammation, Cancer, and Neurological Diseases. Molecules 2023; 28:molecules28052381. [PMID: 36903626 PMCID: PMC10005755 DOI: 10.3390/molecules28052381] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/03/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Coffee is one of the most widely consumed beverages, which has several effects on the human body. In particular, current evidence suggests that coffee consumption is associated with a reduced risk of inflammation, various types of cancers, and certain neurodegenerative diseases. Among the various constituents of coffee, phenolic phytochemicals, more specifically chlorogenic acids, are the most abundant, and there have been many attempts to utilize coffee chlorogenic acid for cancer prevention and therapy. Due to its beneficial biological effect on the human body, coffee is regarded as a functional food. In this review article, we summarize the recent advances and knowledge on the association of phytochemicals contained in coffee as nutraceuticals, with a particular focus on phenolic compounds, their intake, and nutritional biomarkers, with the reduction of disease risk, including inflammation, cancer, and neurological diseases.
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Affiliation(s)
- Toshiyuki Murai
- Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita 565-0871, Japan
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women’s University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
- Correspondence:
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9
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Otálora-Otálora BA, González Prieto C, Guerrero L, Bernal-Forigua C, Montecino M, Cañas A, López-Kleine L, Rojas A. Identification of the Transcriptional Regulatory Role of RUNX2 by Network Analysis in Lung Cancer Cells. Biomedicines 2022; 10:3122. [PMID: 36551878 PMCID: PMC9775089 DOI: 10.3390/biomedicines10123122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 12/07/2022] Open
Abstract
The use of a new bioinformatics pipeline allowed the identification of deregulated transcription factors (TFs) coexpressed in lung cancer that could become biomarkers of tumor establishment and progression. A gene regulatory network (GRN) of lung cancer was created with the normalized gene expression levels of differentially expressed genes (DEGs) from the microarray dataset GSE19804. Moreover, coregulatory and transcriptional regulatory network (TRN) analyses were performed for the main regulators identified in the GRN analysis. The gene targets and binding motifs of all potentially implicated regulators were identified in the TRN and with multiple alignments of the TFs' target gene sequences. Six transcription factors (E2F3, FHL2, ETS1, KAT6B, TWIST1, and RUNX2) were identified in the GRN as essential regulators of gene expression in non-small-cell lung cancer (NSCLC) and related to the lung tumoral process. Our findings indicate that RUNX2 could be an important regulator of the lung cancer GRN through the formation of coregulatory complexes with other TFs related to the establishment and progression of lung cancer. Therefore, RUNX2 could become an essential biomarker for developing diagnostic tools and specific treatments against tumoral diseases in the lung after the experimental validation of its regulatory function.
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Affiliation(s)
- Beatriz Andrea Otálora-Otálora
- Grupo de Investigación INPAC, Unidad de Investigación, Fundación Universitaria Sanitas, Bogotá 110131, Colombia
- Facultad de Medicina, Universidad Nacional de Colombia, Bogotá 11001, Colombia
| | | | - Lucia Guerrero
- Departamento de Estadística, Universidad Nacional de Colombia, Bogotá 11001, Colombia
| | - Camila Bernal-Forigua
- Instituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá 110211, Colombia
| | - Martin Montecino
- Institute of Biomedical Sciences, Facultad de Medicina y Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago 8370134, Chile
| | - Alejandra Cañas
- Departamento de Medicina Interna, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá 110211, Colombia
- Unidad de Neumología, Hospital Universitario San Ignacio, Bogotá 110211, Colombia
| | - Liliana López-Kleine
- Departamento de Estadística, Universidad Nacional de Colombia, Bogotá 11001, Colombia
| | - Adriana Rojas
- Instituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá 110211, Colombia
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10
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Cho YS, Kim HR, Park SJ, Chung SW, Ko YG, Yeo JH, Lee J, Kim SK, Choi JU, Kim SY, Byun Y. Sustained potentiation of bystander killing via PTEN-loss driven macropinocytosis targeted peptide-drug conjugate therapy in metastatic triple-negative breast cancer. Biomaterials 2022; 289:121783. [DOI: 10.1016/j.biomaterials.2022.121783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/19/2022] [Accepted: 08/29/2022] [Indexed: 11/02/2022]
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11
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Insights into the Possible Molecular Mechanisms of Resistance to PARP Inhibitors. Cancers (Basel) 2022; 14:cancers14112804. [PMID: 35681784 PMCID: PMC9179506 DOI: 10.3390/cancers14112804] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/02/2022] [Accepted: 06/03/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary The increasingly wide use of PARP inhibitors in breast, ovarian, pancreatic, and prostate cancers harbouring a pathogenic variant in BRCA1 or BRCA2 has highlighted the problem of resistance to therapy. This review summarises the complex interactions between PARP1, cell cycle regulation, response to stress replication, homologous recombination, and other DNA damage repair pathways in the setting of BRCA1/2 mutated cancers that could explain the development of primary or secondary resistance to PARP inhibitors. Abstract PARP1 enzyme plays an important role in DNA damage recognition and signalling. PARP inhibitors are approved in breast, ovarian, pancreatic, and prostate cancers harbouring a pathogenic variant in BRCA1 or BRCA2, where PARP1 inhibition results mainly in synthetic lethality in cells with impaired homologous recombination. However, the increasingly wide use of PARP inhibitors in clinical practice has highlighted the problem of resistance to therapy. Several different mechanisms of resistance have been proposed, although only the acquisition of secondary mutations in BRCA1/2 has been clinically proved. The aim of this review is to outline the key molecular findings that could explain the development of primary or secondary resistance to PARP inhibitors, analysing the complex interactions between PARP1, cell cycle regulation, PI3K/AKT signalling, response to stress replication, homologous recombination, and other DNA damage repair pathways in the setting of BRCA1/2 mutated cancers.
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12
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Xu Y, Zhang L, Wang Q, Zheng M. Overexpression of MLF1IP promotes colorectal cancer cell proliferation through BRCA1/AKT/p27 signaling pathway. Cell Signal 2022; 92:110273. [PMID: 35122991 DOI: 10.1016/j.cellsig.2022.110273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/15/2022] [Accepted: 01/28/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND OBJECTIVE MLF1IP has been correlated with the progression and prognosis of a few tumors. However, the role of MLF1IP in colorectal cancer remains unclear. Here, we examined the expression and function of MLF1IP in colorectal cancer and investigated possible molecular mechanisms. METHODS MLF1IP expressions in colorectal cancer tissues and cell lines were detected by quantitative real-time PCR, western blotting, and immunohistochemistry. In vitro and in vivo assays were performed to explore the function and underlying molecular mechanisms of MLF1IP in colorectal cancer. RESULTS The expression levels of MLF1IP were significantly up-regulated in colorectal cancer tissues and CRC cell lines (P < 0.05). High expression of MLF1IP was significantly associated with TNM stage, T classification, lymph node involvement, distant metastasis, and poor patient survival (all P < 0.05). Overexpressing MLF1IP promoted while silencing MLF1IP inhibited, the proliferation and clonogenicity of colorectal cancer cells and tumorigenicity in NOD/SCID mice (P < 0.05). In addition, we demonstrated that the pro-proliferative effect of MLF1IP on colorectal cancer cells was associated with mediating the G1-to-S phase transition. MLF1IP knockdown enhanced BRCA1 activity concomitantly with p-AKT downregulation and p27 upregulation, while overexpression of MLF1IP has the opposite effect. Moreover, upregulation of BRCA1 can partially abolish the proliferative activity of MLF1IP. CONCLUSIONS These findings suggest that MLF1IP may promote proliferation and tumorigenicity of colorectal cancer cells via BRCA1/AKT/p27 signaling axis, and thereby provides potential targets for colorectal cancer therapy.
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Affiliation(s)
- Yuting Xu
- Department of Pathology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China.
| | - Lin Zhang
- Department of Pathology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Qingling Wang
- Department of Pathology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Maojin Zheng
- Department of Pathology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
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13
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Sankaranarayanan RA, Peil J, Vogg ATJ, Bolm C, Terhorst S, Classen A, Bauwens M, Maurer J, Mottaghy F, Morgenroth A. Auger Emitter Conjugated PARP Inhibitor for Therapy in Triple Negative Breast Cancers: A Comparative In-Vitro Study. Cancers (Basel) 2022; 14:cancers14010230. [PMID: 35008392 PMCID: PMC8750932 DOI: 10.3390/cancers14010230] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/20/2021] [Accepted: 12/30/2021] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Triple negative breast cancer (TNBC) is an aggressive subtype of breast cancer, with a high recurrence rate. Since treatment of BRCAmut TNBC patients with PARP inhibitor (PARPi), targeting the nuclear protein PARP1, shows varied responses, its therapeutic efficacy is currently evaluated in combination with chemotherapy. Auger emitters (AEs) are radionuclides that can cause DNA damage when delivered close to the DNA. Due to the nuclear location of PARP1, radiolabelling of PARPi with AEs provide an efficient nuclear delivery mechanism. This study shows the radiosynthesis of an AE radiolabelled PARPi ([125I]-PARPi-01) and its therapeutic effect as monotherapy or in combination with chemotherapeutics in a panel of TNBC cell lines. We found that [125I]-PARPi-01 efficiently induces DNA damage with therapeutic effect irrespective of BRCA mutation. All responsive cell lines have homologous recombination deficiency. Short pretreatment with doxorubicin significantly reduces clonogenic survival of both responsive and resistant cell lines. Abstract PARP1 inhibitors (PARPi) are currently approved for BRCAmut metastatic breast cancer, but they have shown limited response in triple negative breast cancer (TNBC) patients. Combination of an Auger emitter with PARPis enables PARP inhibition and DNA strand break induction simultaneously. This will enhance cytotoxicity and additionally allow a theranostic approach. This study presents the radiosynthesis of the Auger emitter [125I] coupled olaparib derivative: [125I]-PARPi-01, and its therapeutic evaluation in a panel of TNBC cell lines. Specificity was tested by a blocking assay. DNA strand break induction was analysed by γH2AX immunofluorescence staining. Cell cycle analysis and apoptosis assays were studied using flow cytometry in TNBC cell lines (BRCAwt/mut). Anchorage independent growth potential was evaluated using soft agar assay. [125I]-PARPi-01 showed PARP1-specificity and higher cytotoxicity than olaparib in TNBC cell lines irrespective of BRCA their status. Cell lines harbouring DNA repair deficiency showed response to [125I]-PARPi-01 monotherapy. Combined treatment with Dox-NP further enhanced therapeutic efficiency in metastatic resistant BRCAwt cell lines. The clonogenic survival was significantly reduced after treatment with [125I]-PARPi-01 in all TNBC lines investigated. Therapeutic efficacy was further enhanced after combined treatment with chemotherapeutics. [125I]-PARPi-01 is a promising radiotherapeutic agent for low radiation dosages, and mono/combined therapies of TNBC.
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Affiliation(s)
- Ramya Ambur Sankaranarayanan
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
| | - Jennifer Peil
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
| | - Andreas T. J. Vogg
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
| | - Carsten Bolm
- Institute of Organic Chemistry, RWTH Aachen University, 52056 Aachen, Germany; (C.B.); (S.T.); (A.C.)
| | - Steven Terhorst
- Institute of Organic Chemistry, RWTH Aachen University, 52056 Aachen, Germany; (C.B.); (S.T.); (A.C.)
| | - Arno Classen
- Institute of Organic Chemistry, RWTH Aachen University, 52056 Aachen, Germany; (C.B.); (S.T.); (A.C.)
| | - Matthias Bauwens
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center (MUMC+), 6229HX Maastricht, The Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, 6229HX Maastricht, The Netherlands
| | - Jochen Maurer
- Department of Molecular Gynecology, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany;
| | - Felix Mottaghy
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center (MUMC+), 6229HX Maastricht, The Netherlands
| | - Agnieszka Morgenroth
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany; (R.A.S.); (J.P.); (A.T.J.V.); (M.B.); (F.M.)
- Correspondence:
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14
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Sun H, Cao S, Mashl RJ, Mo CK, Zaccaria S, Wendl MC, Davies SR, Bailey MH, Primeau TM, Hoog J, Mudd JL, Dean DA, Patidar R, Chen L, Wyczalkowski MA, Jayasinghe RG, Rodrigues FM, Terekhanova NV, Li Y, Lim KH, Wang-Gillam A, Van Tine BA, Ma CX, Aft R, Fuh KC, Schwarz JK, Zevallos JP, Puram SV, Dipersio JF, Davis-Dusenbery B, Ellis MJ, Lewis MT, Davies MA, Herlyn M, Fang B, Roth JA, Welm AL, Welm BE, Meric-Bernstam F, Chen F, Fields RC, Li S, Govindan R, Doroshow JH, Moscow JA, Evrard YA, Chuang JH, Raphael BJ, Ding L. Comprehensive characterization of 536 patient-derived xenograft models prioritizes candidatesfor targeted treatment. Nat Commun 2021; 12:5086. [PMID: 34429404 PMCID: PMC8384880 DOI: 10.1038/s41467-021-25177-3] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 07/14/2021] [Indexed: 02/07/2023] Open
Abstract
Development of candidate cancer treatments is a resource-intensive process, with the research community continuing to investigate options beyond static genomic characterization. Toward this goal, we have established the genomic landscapes of 536 patient-derived xenograft (PDX) models across 25 cancer types, together with mutation, copy number, fusion, transcriptomic profiles, and NCI-MATCH arms. Compared with human tumors, PDXs typically have higher purity and fit to investigate dynamic driver events and molecular properties via multiple time points from same case PDXs. Here, we report on dynamic genomic landscapes and pharmacogenomic associations, including associations between activating oncogenic events and drugs, correlations between whole-genome duplications and subclone events, and the potential PDX models for NCI-MATCH trials. Lastly, we provide a web portal having comprehensive pan-cancer PDX genomic profiles and source code to facilitate identification of more druggable events and further insights into PDXs' recapitulation of human tumors.
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Affiliation(s)
- Hua Sun
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Song Cao
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - R. Jay Mashl
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Chia-Kuei Mo
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Simone Zaccaria
- grid.16750.350000 0001 2097 5006Department of Computer Science, Princeton University, Princeton, NJ USA ,grid.83440.3b0000000121901201Computational Cancer Genomics Research Group and Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
| | - Michael C. Wendl
- grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Mathematics, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Genetics, Washington University in St. Louis, St. Louis, MO USA
| | - Sherri R. Davies
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA
| | - Matthew H. Bailey
- grid.412722.00000 0004 0515 3663Huntsman Cancer Institute, University of Utah, Salt Lake City, UT USA
| | - Tina M. Primeau
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA
| | - Jeremy Hoog
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA
| | - Jacqueline L. Mudd
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA
| | - Dennis A. Dean
- grid.492568.4Seven Bridges Genomics, Inc., Cambridge, Charlestown, MA USA
| | - Rajesh Patidar
- grid.418021.e0000 0004 0535 8394Frederick National Laboratory for Cancer Research, Frederick, MD USA
| | - Li Chen
- grid.418021.e0000 0004 0535 8394Frederick National Laboratory for Cancer Research, Frederick, MD USA
| | - Matthew A. Wyczalkowski
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Reyka G. Jayasinghe
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Fernanda Martins Rodrigues
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Nadezhda V. Terekhanova
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Yize Li
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA
| | - Kian-Huat Lim
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Andrea Wang-Gillam
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Brian A. Van Tine
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Cynthia X. Ma
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Rebecca Aft
- grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Katherine C. Fuh
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Julie K. Schwarz
- grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Radiation Oncology, Washington University in St. Louis, St. Louis, MO USA
| | - Jose P. Zevallos
- grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Otolaryngology, Washington University St. Louis, St. Louis, MO USA
| | - Sidharth V. Puram
- grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Otolaryngology, Washington University St. Louis, St. Louis, MO USA
| | - John F. Dipersio
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | | | | | - Matthew J. Ellis
- grid.39382.330000 0001 2160 926XLester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX USA
| | - Michael T. Lewis
- grid.39382.330000 0001 2160 926XLester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX USA
| | - Michael A. Davies
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Meenhard Herlyn
- grid.251075.40000 0001 1956 6678The Wistar Institute, Philadelphia, PA USA
| | - Bingliang Fang
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Jack A. Roth
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Alana L. Welm
- grid.412722.00000 0004 0515 3663Huntsman Cancer Institute, University of Utah, Salt Lake City, UT USA
| | - Bryan E. Welm
- grid.412722.00000 0004 0515 3663Huntsman Cancer Institute, University of Utah, Salt Lake City, UT USA
| | - Funda Meric-Bernstam
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Feng Chen
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA
| | - Ryan C. Fields
- grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Shunqiang Li
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - Ramaswamy Govindan
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
| | - James H. Doroshow
- grid.48336.3a0000 0004 1936 8075Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD USA
| | - Jeffrey A. Moscow
- grid.48336.3a0000 0004 1936 8075Investigational Drug Branch, National Cancer Institute, Bethesda, MD USA
| | - Yvonne A. Evrard
- grid.418021.e0000 0004 0535 8394Frederick National Laboratory for Cancer Research, Frederick, MD USA
| | - Jeffrey H. Chuang
- grid.249880.f0000 0004 0374 0039The Jackson Laboratory for Genomic Medicine, Farmington, CT USA
| | - Benjamin J. Raphael
- grid.16750.350000 0001 2097 5006Department of Computer Science, Princeton University, Princeton, NJ USA
| | - Li Ding
- grid.4367.60000 0001 2355 7002Department of Medicine, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Department of Genetics, Washington University in St. Louis, St. Louis, MO USA ,grid.4367.60000 0001 2355 7002Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO USA
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15
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Vassilakopoulou M, Won M, Curran WJ, Souhami L, Prados MD, Langer CJ, Rimm DL, Hanna JA, Neumeister VM, Melian E, Diaz AZ, Atkins JN, Komarnicky LT, Schultz CJ, Howard SP, Zhang P, Dicker AP, Knisely JPS. BRCA1 Protein Expression Predicts Survival in Glioblastoma Patients from an NRG Oncology RTOG Cohort. Oncology 2021; 99:580-588. [PMID: 33957633 DOI: 10.1159/000516168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 12/30/2020] [Indexed: 11/19/2022]
Abstract
PURPOSE Glioblastoma, the most common malignant brain tumor, was associated with a median survival of <1 year in the pre-temozolomide (TMZ) era. Despite advances in molecular and genetic profiling studies identifying several predictive biomarkers, none has been translated into routine clinical use. Our aim was to investigate the prognostic significance of a panel of diverse cellular molecular markers of tumor formation and growth in an annotated glioblastoma tissue microarray (TMA). METHODS AND MATERIALS A TMA composed of archived glioblastoma tumors from patients treated with surgery, radiation, and non-TMZ chemother-apy, was provided by RTOG. RAD51, BRCA-1, phosphatase and tensin homolog tumor suppressor gene (PTEN), and miRNA-210 expression levels were assessed using quantitative in situ hybridization and automated quantitative protein analysis. The objectives of this analysis were to determine the association of each biomarker with overall survival (OS), using the Cox proportional hazard model. Event-time distributions were estimated using the Kaplan-Meier method and compared by the log-rank test. RESULTS A cohort of 66 patients was included in this study. Among the 4 biomarkers assessed, only BRCA1 expression had a statistically significant correlation with survival. From univariate analysis, patients with low BRCA1 protein expression showed a favorable outcome for OS (p = 0.04; hazard ratio = 0.56) in comparison with high expressors, with a median survival time of 18.9 versus 4.8 months. CONCLUSIONS BRCA1 protein expression was an important survival predictor in our cohort of glioblastoma patients. This result may imply that low BRCA1 in the tumor and the consequent low level of DNA repair cause vulnerability of the cancer cells to treatment.
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Affiliation(s)
- Maria Vassilakopoulou
- Department of Pathology, Yale University, New Haven, Connecticut, USA, .,Department of Medical Oncology, University of Crete, Heraklion, Greece,
| | - Minhee Won
- NRG Oncology Statistics and Data Management Center, Philadelphia, Pennsylvania, USA
| | - Walter J Curran
- Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia, USA
| | - Luis Souhami
- Department of Radiation Oncology, McGill University, Montréal, Québec, Canada
| | - Michael D Prados
- Department of Neurological Surgery, University of California, San Francisco, California, USA
| | - Corey J Langer
- Division of Hematology Oncology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David L Rimm
- Department of Pathology, Yale University, New Haven, Connecticut, USA
| | - Jason A Hanna
- Department of Pathology, Yale University, New Haven, Connecticut, USA.,Department of Biological Sciences and Center for Cancer Research, Purdue University, West Lafayette, Indiana, USA
| | - Veronique M Neumeister
- Department of Pathology, Yale University, New Haven, Connecticut, USA.,Akoya Biosciences, Hopkinton, Massachusetts, USA
| | - Edward Melian
- Department of Radiation Oncology, Loyola University Medical Center, Maywood, Illinois, USA
| | - Aidnag Z Diaz
- Department of Radiation Oncology, Rush University Medical Center, Chicago, Illinois, USA
| | - James N Atkins
- Southeast Cancer Consortium-Upstate NCORP, Winston-Salem, North Carolina, USA
| | - Lydia T Komarnicky
- Department of Radiation Oncology, Drexel University School of Medicine, Philadelphia, Pennsylvania, USA
| | - Christopher J Schultz
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Steven P Howard
- Department of Human Oncology, University of Wisconsin Hospital, Madison, Wisconsin, USA
| | - Peixin Zhang
- NRG Oncology Statistics and Data Management Center, Philadelphia, Pennsylvania, USA
| | - Adam P Dicker
- Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Jonathan P S Knisely
- Department of Radiation Oncology, Weill Cornell Medicine, New York, New York, USA
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16
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Morand S, Stanbery L, Walter A, Rocconi RP, Nemunaitis J. BRCA1/2 Mutation Status Impact on Autophagy and Immune Response: Unheralded Target. JNCI Cancer Spectr 2020; 4:pkaa077. [PMID: 33409454 PMCID: PMC7771003 DOI: 10.1093/jncics/pkaa077] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/27/2022] Open
Abstract
BRCA1 and possibly BRCA2 proteins may relate to the regulation of autophagy. Autophagy plays a key role in immune response from both a tumor and immune effector cell standpoint. In cells with BRCA mutations, increased autophagy leads to elevated expression of major histocompatibility complex class II but may cause subclonal neoantigen presentation, which may impair the immune response related to clonal neoantigen visibility. We review evidence of BRCA1/2 regulation of autophagy, immune response, and antigen presentation.
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Affiliation(s)
- Susan Morand
- Department of Internal Medicine, University of Toledo, Toledo, OH, USA
| | | | | | - Rodney P Rocconi
- University of South Alabama - Mitchell Cancer Institute, Mobile, AL, USA
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17
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Murakami M, Ikeda Y, Nakagawa Y, Tsuji A, Kitagishi Y, Matsuda S. Special bioactive compounds and functional foods may exhibit neuroprotective effects in patients with dementia (Review). Biomed Rep 2020; 13:1. [PMID: 32509304 PMCID: PMC7271706 DOI: 10.3892/br.2020.1310] [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: 03/18/2019] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Dementia is a failure of cognitive ability characterized by severe neurodegeneration in select neural systems, and Alzheimer's disease (AD) is the most common type of neurodegenerative disease. Although numerous studies have provided insights into the pathogenesis of AD, the underlying signaling and molecular pathways mediating the progressive decline of cognitive function remain poorly understood. Recent progress in molecular biology has provided an improved understanding of the importance of molecular pathogenesis of AD, and has proposed an association between DNA repair mechanisms and AD. In particular, the fundamental roles of phosphatase and tensin homologue deleted on chromosome 10 (PTEN) and breast cancer gene 1 (BRCA1) tumor suppressors have been shown to regulate the pathogenesis of neurodegeneration. Consequently, onset of neurodegenerative diseases may be deferred with the use of dietary neuroprotective agents which alter the signaling mediated by the aforementioned tumor suppressors. In a healthy neuron, homeostasis of key intracellular molecules is of great importance, and preventing neuronal apoptosis is one of the primary goals of treatments designed for dementia-associated diseases. In the present review, progress into the understanding of dietary regulation for preventing or limiting development of dementia is discussed with a focus on the modulatory roles of PTEN and BRCA1 signaling.
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Affiliation(s)
- Mutsumi Murakami
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yuka Ikeda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yukie Nakagawa
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Ai Tsuji
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Yasuko Kitagishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
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18
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Ge Z, Leighton JS, Wang Y, Peng X, Chen Z, Chen H, Sun Y, Yao F, Li J, Zhang H, Liu J, Shriver CD, Hu H, Piwnica-Worms H, Ma L, Liang H. Integrated Genomic Analysis of the Ubiquitin Pathway across Cancer Types. Cell Rep 2019; 23:213-226.e3. [PMID: 29617661 DOI: 10.1016/j.celrep.2018.03.047] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 01/12/2018] [Accepted: 03/12/2018] [Indexed: 12/21/2022] Open
Abstract
Protein ubiquitination is a dynamic and reversible process of adding single ubiquitin molecules or various ubiquitin chains to target proteins. Here, using multidimensional omic data of 9,125 tumor samples across 33 cancer types from The Cancer Genome Atlas, we perform comprehensive molecular characterization of 929 ubiquitin-related genes and 95 deubiquitinase genes. Among them, we systematically identify top somatic driver candidates, including mutated FBXW7 with cancer-type-specific patterns and amplified MDM2 showing a mutually exclusive pattern with BRAF mutations. Ubiquitin pathway genes tend to be upregulated in cancer mediated by diverse mechanisms. By integrating pan-cancer multiomic data, we identify a group of tumor samples that exhibit worse prognosis. These samples are consistently associated with the upregulation of cell-cycle and DNA repair pathways, characterized by mutated TP53, MYC/TERT amplification, and APC/PTEN deletion. Our analysis highlights the importance of the ubiquitin pathway in cancer development and lays a foundation for developing relevant therapeutic strategies.
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Affiliation(s)
- Zhongqi Ge
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jake S Leighton
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Yumeng Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA
| | - Xinxin Peng
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Zhongyuan Chen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Statistics, Rice University, Houston, TX 77005, USA
| | - Hu Chen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yutong Sun
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Fan Yao
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jun Li
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Huiwen Zhang
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX 77030, USA
| | - Jianfang Liu
- Chan Soon-Shiong Institute of Molecular Medicine at Windber, Windber, PA 15963, USA
| | - Craig D Shriver
- Murtha Cancer Center, Uniformed Services University/Walter Reed National Military Medical Center, Bethesda, MD 20889, USA
| | - Hai Hu
- Chan Soon-Shiong Institute of Molecular Medicine at Windber, Windber, PA 15963, USA
| | | | - Helen Piwnica-Worms
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Li Ma
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Han Liang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Graduate Program in in Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX 77030, USA; Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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19
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Effects of Intestinal Microbial⁻Elaborated Butyrate on Oncogenic Signaling Pathways. Nutrients 2019; 11:nu11051026. [PMID: 31067776 PMCID: PMC6566851 DOI: 10.3390/nu11051026] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/29/2019] [Accepted: 05/05/2019] [Indexed: 12/12/2022] Open
Abstract
The intestinal microbiota is well known to have multiple benefits on human health, including cancer prevention and treatment. The effects are partially mediated by microbiota-produced short chain fatty acids (SCFAs) such as butyrate, propionate and acetate. The anti-cancer effect of butyrate has been demonstrated in cancer cell cultures and animal models of cancer. Butyrate, as a signaling molecule, has effects on multiple signaling pathways. The most studied effect is its inhibition on histone deacetylase (HDAC), which leads to alterations of several important oncogenic signaling pathways such as JAK2/STAT3, VEGF. Butyrate can interfere with both mitochondrial apoptotic and extrinsic apoptotic pathways. In addition, butyrate also reduces gut inflammation by promoting T-regulatory cell differentiation with decreased activities of the NF-κB and STAT3 pathways. Through PKC and Wnt pathways, butyrate increases cancer cell differentiation. Furthermore, butyrate regulates oncogenic signaling molecules through microRNAs and methylation. Therefore, butyrate has the potential to be incorporated into cancer prevention and treatment regimens. In this review we summarize recent progress in butyrate research and discuss the future development of butyrate as an anti-cancer agent with emphasis on its effects on oncogenic signaling pathways. The low bioavailability of butyrate is a problem, which precludes clinical application. The disadvantage of butyrate for medicinal applications may be overcome by several approaches including nano-delivery, analogue development and combination use with other anti-cancer agents or phytochemicals.
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20
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Irani S, Bidari-Zerehpoush F. BRCA1/2 Mutations in Salivary Pleomorphic Adenoma and Carcinoma-ex-Pleomorphic Adenoma. J Int Soc Prev Community Dent 2017; 7:S155-S162. [PMID: 29285471 PMCID: PMC5730978 DOI: 10.4103/jispcd.jispcd_184_17] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 09/18/2017] [Indexed: 01/05/2023] Open
Abstract
Objectives: It is hypothesized that carcinoma-ex-pleomorphic adenoma (Ca-ex-PA) is malignant from the beginning or is a malignant transformation of a recurrent or a long-standing pleomorphic adenoma (PA). The accumulation of genetic instabilities is suggested to be the main reason for malignant transformation in PA. The aim of this study was to determine the prevalence of BRCA1/2 mutations in PA and Ca-ex-PA. Materials and Methods: A total of ninety salivary gland tumors (45 Ca ex-PA and 45 PA) were selected. Immunohistochemistry was performed for all samples. Analyses were conducted through SPSS software version 22.0 (SPSS, Inc., Chicago, IL, USA). Chi-square test was used to examine the differences between the variables. Significant level was set at 0.05. Results: In general, 93.3% of PA samples showed positive staining for BRCA1 (in myoepithelial cells); however, BRCA2 positivity was found in 60% of samples (in myoepithelial cells). Among 45 samples of Ca-ex-PA, 93.3% of showed positivity for BRCA1 and 80% of samples showed positivity for BRCA2. Chi-square test found differences between PAs and Ca-ex-PAs regarding BRCA1/2 mutations in ductal cells and myoepithelial cells (P = 0.007, 0.000), respectively. Conclusions: The present study found a trend toward the presence of BRCA1/2 mutations in PA and Ca-ex-PA samples. Patients with BRCA1/2 mutation carriers are excellent cases for therapies, such as the poly (ADP) ribose polymerase inhibitor.
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Affiliation(s)
- Soussan Irani
- Department of Oral Pathology, Dental Research Center, Dental Faculty, Hamadan and Griffith University, School of Medicine, Gold Coast, Australia
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21
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Dalasanur Nagaprashantha L, Adhikari R, Singhal J, Chikara S, Awasthi S, Horne D, Singhal SS. Translational opportunities for broad-spectrum natural phytochemicals and targeted agent combinations in breast cancer. Int J Cancer 2017; 142:658-670. [PMID: 28975625 DOI: 10.1002/ijc.31085] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/18/2017] [Accepted: 09/12/2017] [Indexed: 12/17/2022]
Abstract
Breast cancer (BC) prevention and therapy in the context of life-style risk factors and biological drivers is a major focus of developmental therapeutics in oncology. Obesity, alcohol, chronic estrogen signaling and smoking have distinct BC precipitating and facilitating effects that may act alone or in combination. A spectrum of signaling events including enhanced oxidative stress and changes in estrogen-receptor (ER)-dependent and -independent signaling drive the progression of BC. Breast tumors modulate ERα/ERβ ratio, upregulate proliferative pathways driven by ERα and HER2 with a parallel loss and/or downregulation of tumor suppressors such as TP53 and PTEN which together impact the efficacy of therapeutic strategies and frequently lead to emergence of drug resistance. Natural phytochemicals modulate oxidative stress, leptin, integrin, HER2, MAPK, ERK, Wnt/β-catenin and NFκB signaling along with regulating ERα and ERβ, thereby presenting unique opportunities for both primary and combinatorial interventions in BC. In this regard, this article focuses on critical analyses of the evidence from multiple studies on the efficacy of natural phytochemicals in BC. In addition, areas in which the combinations of such effective natural phytochemicals with approved and/or developing anticancer agents can be translationally beneficial are discussed to derive evidence-based inference for addressing challenges in BC control and therapy.
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Affiliation(s)
| | | | - Jyotsana Singhal
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, CA
| | - Shireen Chikara
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, CA
| | - Sanjay Awasthi
- Texas Tech University Health Sciences Center, Lubbock, TX
| | - David Horne
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, CA
| | - Sharad S Singhal
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, CA
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22
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Liu Y, Du X, Zhang S, Liu Y, Zhang Q, Yin Q, McNutt MA, Yin Y. PTEN regulates spindle assembly checkpoint timing through MAD1 in interphase. Oncotarget 2017. [PMID: 29228672 DOI: 10.18632/oncotarget.20532.pmid:29228672;pmcid:pmc5716712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
The spindle assembly checkpoint (SAC) restrains anaphase progression to ensure all chromosomes attach properly to the spindle. Although SAC timing has been extensively investigated in mitosis, its mechanism of regulation in interphase is unclear. We report that PTEN functions as a crucial activator of SAC timing and protects chromosome segregation under both spindle poison treated and untreated conditions. We show that PTEN physically interacts with MAD1 and promotes its dimerization and localization in the nuclear pore. Consequently, PTEN is important for the formation of the mitotic checkpoint complex (MCC) in interphase. We propose PTEN/MAD1 signaling is essential for maintenance of SAC timing and chromosome integrity.
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Affiliation(s)
- Yu Liu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Xiao Du
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Shuting Zhang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yang Liu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qiaoling Zhang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qi Yin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Michael A McNutt
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yuxin Yin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
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23
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Liu Y, Du X, Zhang S, Liu Y, Zhang Q, Yin Q, McNutt MA, Yin Y. PTEN regulates spindle assembly checkpoint timing through MAD1 in interphase. Oncotarget 2017; 8:98040-98050. [PMID: 29228672 PMCID: PMC5716712 DOI: 10.18632/oncotarget.20532] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 08/04/2017] [Indexed: 01/20/2023] Open
Abstract
The spindle assembly checkpoint (SAC) restrains anaphase progression to ensure all chromosomes attach properly to the spindle. Although SAC timing has been extensively investigated in mitosis, its mechanism of regulation in interphase is unclear. We report that PTEN functions as a crucial activator of SAC timing and protects chromosome segregation under both spindle poison treated and untreated conditions. We show that PTEN physically interacts with MAD1 and promotes its dimerization and localization in the nuclear pore. Consequently, PTEN is important for the formation of the mitotic checkpoint complex (MCC) in interphase. We propose PTEN/MAD1 signaling is essential for maintenance of SAC timing and chromosome integrity.
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Affiliation(s)
- Yu Liu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Xiao Du
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Shuting Zhang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yang Liu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qiaoling Zhang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qi Yin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Michael A McNutt
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yuxin Yin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking-Tsinghua Center for Life Sciences, Peking University Health Science Center, Beijing 100191, China
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24
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Phosphatases and solid tumors: focus on glioblastoma initiation, progression and recurrences. Biochem J 2017; 474:2903-2924. [PMID: 28801478 DOI: 10.1042/bcj20170112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 12/15/2022]
Abstract
Phosphatases and cancer have been related for many years now, as these enzymes regulate key cellular functions, including cell survival, migration, differentiation and proliferation. Dysfunctions or mutations affecting these enzymes have been demonstrated to be key factors for oncogenesis. The aim of this review is to shed light on the role of four different phosphatases (PTEN, PP2A, CDC25 and DUSP1) in five different solid tumors (breast cancer, lung cancer, pancreatic cancer, prostate cancer and ovarian cancer), in order to better understand the most frequent and aggressive primary cancer of the central nervous system, glioblastoma.
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25
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Tang L, Li X, Gao Y, Chen L, Gu L, Chen J, Lyu X, Zhang Y, Zhang X. Phosphatase and tensin homolog (PTEN) expression on oncologic outcome in renal cell carcinoma: A systematic review and meta-analysis. PLoS One 2017; 12:e0179437. [PMID: 28672019 PMCID: PMC5495211 DOI: 10.1371/journal.pone.0179437] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 05/29/2017] [Indexed: 11/19/2022] Open
Abstract
The phosphatase and tensin homolog (PTEN) gene is suggested to be a dormant tumor suppressor. However, the prognostic value of the loss of PTEN expression in renal cell carcinoma (RCC) remains controversial. Therefore, we conducted a meta-analysis to evaluate the association of PTEN expression with the clinicopathological presentations and outcomes of patients with RCC through immunohistochemistry staining analysis. We systematically searched for relevant studies in PubMed, Web of Science, and Embase until March 2016. Data regarding clinical stage, pathological type, Fuhrman grade, overall survival (OS), progression-free survival (PFS), and disease-specific survival (DSS) was analyzed in the present study. In total, there were 12 studies with 2,368 patients included in this meta-analysis. The low PTEN expression in RCC was significantly associated with unfavorable DSS (HR = 1.568, 95% CI 1.015-2.242) in a random-effects model but not with OS (HR = 1.046, 95% CI 0.93-1.176) and PFS (HR = 1.244, 95% CI 0.907-1.704). Other results indicated that PTEN expression was not correlated with clinical stage, pathological type, and Fuhrman grade. This meta-analysis suggests that PTEN expression is of limited value in predicting the prognosis of patients with RCC for OS and PFS via immunohistochemistry staining analysis; and that for DSS, low PTEN expression is significantly associated with an unfavorable outcome.
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Affiliation(s)
- Lu Tang
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xintao Li
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yu Gao
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Luyao Chen
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Liangyou Gu
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Jianwen Chen
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xiangjun Lyu
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yu Zhang
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xu Zhang
- State Key Laboratory of Kidney Disease, Department of Urology, Chinese PLA Medical Academy, Chinese People's Liberation Army General Hospital, Beijing, China
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26
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Arena GO, Arena V, Arena M, Abdouh M. Transfer of malignant traits as opposed to migration of cells: A novel concept to explain metastatic disease. Med Hypotheses 2017; 100:82-86. [PMID: 28236854 DOI: 10.1016/j.mehy.2017.01.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 01/25/2017] [Accepted: 01/30/2017] [Indexed: 02/06/2023]
Abstract
Metastatic disease is believed to develop following dissemination of cells to target organs. Inability of this theory to effectively explain certain phenomena such as patterns of metastatic spread, late metastasis formation, different gene patterns between primary cancer and metastasis have brought forward the need for alternative models. Recent discoveries have strengthened the validity of theories supporting a humoral transfer of malignant traits as opposed to migration of malignant cells to explain metastatic disease in cancer patients. In light of this new evidence, we would like to highlight a model that offers a new perspective to explain cancer metastasis. In the system that we theorize, genetic material released by cancer cells would travel, either free or packed in exosomes, through the blood. Target cells located in organs deriving from the same embryological layer might uptake this genetic material due to expression of specific receptors. Interplay with the immune system would determine the fate of these oncofactors and would regulate their ability to circulate in the blood, integrate in the genome and be transcribed. We also hypothesize that the expression of cell membrane receptors such as integrins, to which cancer exosomes ligate might be mediated by inherited or acquired oncosuppressor mutations.
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Affiliation(s)
- Goffredo Orazio Arena
- Cancer Research Program, McGill University Health Centre-Research Institute, 1001 Decarie Boulevard, Montreal, Quebec H4A 3J1, Canada; Department of Surgery, McGill University, St. Mary Hospital, 3830 Lacombe Avenue, Montreal, Quebec H3T 1M5, Canada.
| | - Vincenzo Arena
- Department of Obstetrics and Gynecology, Santo Bambino Hospital, via Torre del Vescovo 4, Catania, Italy
| | - Manuel Arena
- Department of Surgical Sciences, Organ Transplantation and Advances Technologies, University of Catania, via Santa Sofia 84, Catania, Italy
| | - Mohamed Abdouh
- Cancer Research Program, McGill University Health Centre-Research Institute, 1001 Decarie Boulevard, Montreal, Quebec H4A 3J1, Canada
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27
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Chamaejasmine induces apoptosis in HeLa cells through the PI3K/Akt signaling pathway. Anticancer Drugs 2017; 28:40-50. [DOI: 10.1097/cad.0000000000000424] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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28
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Ogino M, Ichimura M, Nakano N, Minami A, Kitagishi Y, Matsuda S. Roles of PTEN with DNA Repair in Parkinson's Disease. Int J Mol Sci 2016; 17:ijms17060954. [PMID: 27314344 PMCID: PMC4926487 DOI: 10.3390/ijms17060954] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 05/27/2016] [Accepted: 06/09/2016] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress is considered to play key roles in aging and pathogenesis of many neurodegenerative diseases such as Parkinson’s disease, which could bring DNA damage by cells. The DNA damage may lead to the cell apoptosis, which could contribute to the degeneration of neuronal tissues. Recent evidence suggests that PTEN (phosphatase and tensin homolog on chromosome 10) may be involved in the pathophysiology of the neurodegenerative disorders. Since PTEN expression appears to be one dominant determinant of the neuronal cell death, PTEN should be a potential molecular target of novel therapeutic strategies against Parkinson’s disease. In addition, defects in DNA damage response and DNA repair are often associated with modulation of hormone signaling pathways. Especially, many observations imply a role for estrogen in a regulation of the DNA repair action. In the present review, we have attempted to summarize the function of DNA repair molecules at a viewpoint of the PTEN signaling pathway and the hormone related functional modulation of cells, providing a broad interpretation on the molecular mechanisms for treatment of Parkinson’s disease. Particular attention will be paid to the mechanisms proposed to explain the health effects of food ingredients against Parkinson’s disease related to reduce oxidative stress for an efficient therapeutic intervention.
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Affiliation(s)
- Mako Ogino
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Mayuko Ichimura
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Noriko Nakano
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Akari Minami
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Yasuko Kitagishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
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29
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McCabe N, Kennedy RD, Prise KM. The role of PTEN as a cancer biomarker. Oncoscience 2016; 3:54-5. [PMID: 27014722 PMCID: PMC4789570 DOI: 10.18632/oncoscience.296] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 02/29/2016] [Indexed: 12/21/2022] Open
Affiliation(s)
- Nuala McCabe
- Center for Cancer Research & Cell Biology, Queens University Belfast, UK
| | - Richard D Kennedy
- Center for Cancer Research & Cell Biology, Queens University Belfast, UK
| | - Kevin M Prise
- Center for Cancer Research & Cell Biology, Queens University Belfast, UK
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Tripartite motif 16 inhibits epithelial-mesenchymal transition and metastasis by down-regulating sonic hedgehog pathway in non-small cell lung cancer cells. Biochem Biophys Res Commun 2015; 460:1021-8. [PMID: 25843803 DOI: 10.1016/j.bbrc.2015.03.144] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Accepted: 03/25/2015] [Indexed: 12/11/2022]
Abstract
The present study was to examine the effect of Tripartite motif 16 (TRIM16) on epithelial-mesenchymal transition (EMT) and metastasis in non-small cell lung cancer (NSCLC) cells, and its clinical significance in NSCLC. The correlation of TRIM16 expression and clinical features of NSCLC was analyzed in paraffin-embedded archived normal lung tissues and NSCLC tissues by immunohistochemical analysis. The effect of TRIM16 on EMT and metastasis was examined both in vitro and in vivo. The expression of TRIM16 was markedly decreased in NSCLC and correlated with tumor metastasis. Upregulation of TRIM16 significantly inhibited EMT and metastasis of NSCLC cells. In contrast, silencing TRIM16 expression significantly promoted the EMT and metastasis of NSCLC cells both in vitro and in vivo. Moreover, we demonstrated that downregulation of TRIM16 activated the sonic hedgehog pathway, and that inhibition of the sonic hedgehog pathway by cyclopamine abrogated the effect of TRIM16-downregulation induced EMT and metastasis on NSCLC cells. Our results suggest that TRIM16 is a potential pharmacologic target for the treatment of NSCLC and promotion TRIM16 expression might represent a novel strategy to NSCLC metastasis.
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Chu NJ, Armstrong TD, Jaffee EM. Nonviral oncogenic antigens and the inflammatory signals driving early cancer development as targets for cancer immunoprevention. Clin Cancer Res 2015; 21:1549-57. [PMID: 25623216 DOI: 10.1158/1078-0432.ccr-14-1186] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 12/18/2014] [Indexed: 12/13/2022]
Abstract
Cancer immunoprevention is an emerging field that holds much promise. Within the past 20 years, prophylactic vaccines have been implemented on the population level for the immunoprevention of carcinomas induced by viruses, specifically hepatitis B virus (HBV) and human papillomavirus (HPV) infection. Armed with the success of prophylactic vaccines that prevent viral-induced tumors, the field must overcome its next hurdle: to develop robust prophylactic vaccines that prevent the remaining >80% of human cancers not induced by viral infection. In this review, we discuss some of the most promising non-virus-associated prophylactic vaccines that target endogenous neoantigens, including the earliest oncogene products, altered mucin 1 (MUC1) and α-enolase (ENO1), all of which produce new targets in the earliest stages of nonviral-induced tumorigenesis. We also highlight a novel attenuated Listeria monocytogenes-based vaccine expressing mutant oncogene Kras(G12D) (LM-Kras) effective in a pancreatic cancer model. A novel chimeric human/rat HER-2 plasmid vaccine (HuRT-DNA vaccine) effective in a breast cancer model is also discussed. In addition to prophylactic vaccine developments, this review highlights the potential use of classic drugs, such as aspirin and metformin, as chemopreventive agents that can potentially be used as adjuvants to enhance the anticancer immunogenicity and efficacy of noninfectious prophylactic vaccines by modulating the inflammatory pathways within the early tumor microenvironment (TME) that propels tumorigenesis. Finally, timing of prophylactic vaccine administration is critical to its immunopreventive efficacy, providing a necessary role of current and emerging biomarkers for cancer screening and early cancer detection.
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Affiliation(s)
- Nina J Chu
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland. Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Todd D Armstrong
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Elizabeth M Jaffee
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland. Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland.
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Ersahin T, Tuncbag N, Cetin-Atalay R. The PI3K/AKT/mTOR interactive pathway. MOLECULAR BIOSYSTEMS 2015; 11:1946-54. [DOI: 10.1039/c5mb00101c] [Citation(s) in RCA: 245] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The phosphatidylinositol 3-kinase (PI3K)/AKT/mammalian target of the rapamycin (mTOR) signalling pathway is hyperactivated or altered in many cancer types and regulates a broad range of cellular processes including survival, proliferation, growth, metabolism, angiogenesis and metastasis.
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Affiliation(s)
- Tulin Ersahin
- Cancer Systems Biology Laboratory
- Graduate School of Informatics
- ODTU
- 06800 Ankara
- Turkey
| | - Nurcan Tuncbag
- Cancer Systems Biology Laboratory
- Graduate School of Informatics
- ODTU
- 06800 Ankara
- Turkey
| | - Rengul Cetin-Atalay
- Cancer Systems Biology Laboratory
- Graduate School of Informatics
- ODTU
- 06800 Ankara
- Turkey
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