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Syed F, Ballew O, Lee CC, Rana J, Krishnan P, Castela A, Weaver SA, Chalasani NS, Thomaidou SF, Demine S, Chang G, Coomans de Brachène A, Alvelos MI, Marselli L, Orr K, Felton JL, Liu J, Marchetti P, Zaldumbide A, Scheuner D, Eizirik DL, Evans-Molina C. Pharmacological inhibition of tyrosine protein-kinase 2 reduces islet inflammation and delays type 1 diabetes onset in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.20.585925. [PMID: 38766166 PMCID: PMC11100605 DOI: 10.1101/2024.03.20.585925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Tyrosine protein-kinase 2 (TYK2), a member of the Janus kinase family, mediates inflammatory signaling through multiple cytokines, including interferon-α (IFNα), interleukin (IL)-12, and IL-23. Missense mutations in TYK2 are associated with protection against type 1 diabetes (T1D), and inhibition of TYK2 shows promise in the management of other autoimmune conditions. Here, we evaluated the effects of specific TYK2 inhibitors (TYK2is) in pre-clinical models of T1D. First, human β cells, cadaveric donor islets, and iPSC-derived islets were treated in vitro with IFNα in combination with a small molecule TYK2i (BMS-986165 or a related molecule BMS-986202). TYK2 inhibition prevented IFNα-induced β cell HLA class I up-regulation, endoplasmic reticulum stress, and chemokine production. In co-culture studies, pre-treatment of β cells with a TYK2i prevented IFNα-induced activation of T cells targeting an epitope of insulin. In vivo administration of BMS-986202 in two mouse models of T1D (RIP-LCMV-GP mice and NOD mice) reduced systemic and tissue-localized inflammation, prevented β cell death, and delayed T1D onset. Transcriptional phenotyping of pancreatic islets, pancreatic lymph nodes (PLN), and spleen during early disease pathogenesis highlighted a role for TYK2 inhibition in modulating signaling pathways associated with inflammation, translational control, stress signaling, secretory function, immunity, and diabetes. Additionally, TYK2i treatment changed the composition of innate and adaptive immune cell populations in the blood and disease target tissues, resulting in an immune phenotype with a diminished capacity for β cell destruction. Overall, these findings indicate that TYK2i has beneficial effects in both the immune and endocrine compartments in models of T1D, thus supporting a path forward for testing TYK2 inhibitors in human T1D.
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Affiliation(s)
- Farooq Syed
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Olivia Ballew
- Indiana Biosciences Research Institute, Indianapolis, IN, USA
| | - Chih-Chun Lee
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jyoti Rana
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Preethi Krishnan
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Angela Castela
- ULB Center for Diabetes Research, Medical Faculty, Université Libre de Bruxelles, Brussels, Belgium
| | - Staci A. Weaver
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - Sofia F. Thomaidou
- Department of Cell and Chemical Biology, Leiden University Medical Center, The Netherlands
| | - Stephane Demine
- Indiana Biosciences Research Institute, Indianapolis, IN, USA
| | - Garrick Chang
- Department of Physics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, USA
| | | | - Maria Ines Alvelos
- ULB Center for Diabetes Research, Medical Faculty, Université Libre de Bruxelles, Brussels, Belgium
| | - Lorella Marselli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Kara Orr
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jamie L. Felton
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jing Liu
- Department of Physics and Astronomy, Purdue University, West Lafayette, IN, USA
| | - Piero Marchetti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Arnaud Zaldumbide
- Department of Cell and Chemical Biology, Leiden University Medical Center, The Netherlands
| | | | - Decio L. Eizirik
- ULB Center for Diabetes Research, Medical Faculty, Université Libre de Bruxelles, Brussels, Belgium
| | - Carmella Evans-Molina
- Indiana University School of Medicine, Indianapolis, Indiana, USA
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
- Richard L. Roudebush VA Medical Center, Indianapolis, IN, USA
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2
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Cao Y, Jiang J, Song X, Wang X, Huang F, Li Y, Tang L, Li M, Chen Z, Chen F, Wan H. Engrailed 2 triggers the activation of multiple phosphorylation-induced signaling pathways in both transcription-dependent and -independent manners. Biochem Biophys Res Commun 2023; 680:127-134. [PMID: 37738902 DOI: 10.1016/j.bbrc.2023.09.039] [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: 08/30/2023] [Accepted: 09/17/2023] [Indexed: 09/24/2023]
Abstract
Homeodomain (HD)-containing proteins are typically recognized as transcription factors. Engrailed 2 (EN2) is an HD-containing protein that is highly expressed in various types of cancers, however, the mechanism underlying the biological function of EN2 is not fully understood. Here, we report a transcription-independent function of EN2 in addition to its role as a transcription factor. EN2 expression leads to the activation of multiple signaling pathways mediated by phosphorylation cascades. A phosphoproteomic analysis revealed that the phosphorylation status of numerous protein sites was altered after EN2 is expressed. Notably, EN2 was shown to interact with a myriad of proteins implicated in phosphorylation signaling cascades, as determined by immunoprecipitation-mass spectrometry (IP-MS). We validated the interaction between EN2 and B55α, the regulatory subunit of the PP2A-B55α complex, and confirmed that the phosphatase activity of the complex was suppressed by EN2 binding. To target EN2-induced malignancy, two kinds of small molecules were utilized to inhibit the EN2-activated NF-κB and AKT signaling pathways. A clear synergistic effect was observed when the activation of the two pathways was simultaneously blocked. Collectively, the data show that EN2 functions in a transcription-independent manner in addition to its role as a transcription factor. This finding may have therapeutic implications in treating esophageal squamous cell carcinoma (ESCC).
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Affiliation(s)
- Yong Cao
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Jie Jiang
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Xueqin Song
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Xiaoyan Wang
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Fang Huang
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Yan Li
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Li Tang
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Mingying Li
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Zhuang Chen
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Feng Chen
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China
| | - Haisu Wan
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China; Luzhou Key Laboratory of Molecular Cancer, Luzhou, 646000, Sichuan, China; Metabolic Vascular Disease Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, China.
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3
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Chen Y, Pan Y, Gao H, Yi Y, Qin S, Ma F, Zhou X, Guan M. Mechanistic insights into super-enhancer-driven genes as prognostic signatures in patients with glioblastoma. J Cancer Res Clin Oncol 2023; 149:12315-12332. [PMID: 37432454 DOI: 10.1007/s00432-023-05121-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 07/04/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Glioblastoma (GBM) is one of the most common malignant brain tumors in adults and is characterized by high aggressiveness and rapid progression, poor treatment, high recurrence rate, and poor prognosis. Although super-enhancer (SE)-driven genes haven been recognized as prognostic markers for several cancers, whether it can be served as effective prognostic markers for patients with GBM has not been evaluated. METHODS We first combined histone modification data with transcriptome data to identify SE-driven genes associated with prognosis in patients with GBM. Second, we developed a SE-driven differentially expressed genes (SEDEGs) risk score prognostic model by univariate Cox analysis, KM survival analysis, multivariate Cox analysis and least absolute shrinkage and selection operator (LASSO) regression. Its reliability in predicting was verified by two external data sets. Third, through mutation analysis, immune infiltration, we explored the molecular mechanisms of prognostic genes. Next, Genomics of Drug Sensitivity in Cancer (GDSC) and the Connectivity Map (cMap) database were employed to assess different sensitivities to chemotherapeutic agents and small-molecule drug candidates between high- and low-risk patients. Finally, SEanalysis database was chosen to identify SE-driven transcription factors (TFs) regulating prognostic markers which will reveal a potential SE-driven transcriptional regulatory network. RESULTS First, we developed a 11-gene risk score prognostic model (NCF2, MTHFS, DUSP6, G6PC3, HOXB2, EN2, DLEU1, LBH, ZEB1-AS1, LINC01265, and AGAP2-AS1) selected from 1,154 SEDEGs, which is not only an independent prognostic factor for patients, but also can effectively predict the survival rate of patients. The model can effectively predict 1-, 2- and 3-year survival of patients and was validated in external Chinese Glioma Genome Atlas (CGGA) and Gene Expression Omnibus (GEO) datasets. Second, the risk score was positively correlated with the infiltration of regulatory T cell, CD4 memory activated T cell, activated NK cell, neutrophil, resting mast cell, M0 macrophage, and memory B cell. Third, we found that high-risk patients showed higher sensitivity than low-risk patients to both 27 chemotherapeutic agents and 4 small-molecule drug candidates which might benefit further precision therapy for GBM patients. Finally, 13 potential SE-driven TFs imply how SE regulates GBM patient's prognosis. CONCLUSION The SEDEG risk model not only helps to elucidate the impact of SEs on the course of GBM, but also provides a bright future for prognosis determination and choice of treatment for GBM patients.
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Affiliation(s)
- Youran Chen
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Yi Pan
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Hanyu Gao
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Yunmeng Yi
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Shijie Qin
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Fei Ma
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China
| | - Xue Zhou
- School of Chemistry and Biological Engineering, Nanjing Normal University Taizhou College, Taizhou, 225300, China.
| | - Miao Guan
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, 1 Wenyuan Rd., Nanjing, 210023, Jiangsu, China.
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4
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Sustar AE, Strand LG, Zimmerman SG, Berg CA. Imaginal disk growth factors are Drosophila chitinase-like proteins with roles in morphogenesis and CO2 response. Genetics 2023; 223:iyac185. [PMID: 36576887 PMCID: PMC9910413 DOI: 10.1093/genetics/iyac185] [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: 07/18/2022] [Revised: 07/18/2022] [Accepted: 11/16/2022] [Indexed: 12/29/2022] Open
Abstract
Chitinase-like proteins (CLPs) are members of the family 18 glycosyl hydrolases, which include chitinases and the enzymatically inactive CLPs. A mutation in the enzyme's catalytic site, conserved in vertebrates and invertebrates, allowed CLPs to evolve independently with functions that do not require chitinase activity. CLPs normally function during inflammatory responses, wound healing, and host defense, but when they persist at excessive levels at sites of chronic inflammation and in tissue-remodeling disorders, they correlate positively with disease progression and poor prognosis. Little is known, however, about their physiological function. Drosophila melanogaster has 6 CLPs, termed Imaginal disk growth factors (Idgfs), encoded by Idgf1, Idgf2, Idgf3, Idgf4, Idgf5, and Idgf6. In this study, we developed tools to facilitate characterization of the physiological roles of the Idgfs by deleting each of the Idgf genes using the CRISPR/Cas9 system and assessing loss-of-function phenotypes. Using null lines, we showed that loss of function for all 6 Idgf proteins significantly lowers viability and fertility. We also showed that Idgfs play roles in epithelial morphogenesis, maintaining proper epithelial architecture and cell shape, regulating E-cadherin and cortical actin, and remarkably, protecting these tissues against CO2 exposure. Defining the normal molecular mechanisms of CLPs is a key to understanding how deviations tip the balance from a physiological to a pathological state.
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Affiliation(s)
- Anne E Sustar
- Department of Genome Sciences, University of Washington, Foege Bldg. S-250, 3720 15th Ave NE, Seattle, WA 98195-5065, USA
| | - Liesl G Strand
- Department of Genome Sciences, University of Washington, Foege Bldg. S-250, 3720 15th Ave NE, Seattle, WA 98195-5065, USA
| | - Sandra G Zimmerman
- Department of Genome Sciences, University of Washington, Foege Bldg. S-250, 3720 15th Ave NE, Seattle, WA 98195-5065, USA
| | - Celeste A Berg
- Department of Genome Sciences, University of Washington, Foege Bldg. S-250, 3720 15th Ave NE, Seattle, WA 98195-5065, USA
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5
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Chang J, Guo C, Li J, Liang Z, Wang Y, Yu A, Liu R, Guo Y, Chen J, Huang S. EN1 Regulates Cell Growth and Proliferation in Human Glioma Cells via Hedgehog Signaling. Int J Mol Sci 2022; 23:ijms23031123. [PMID: 35163043 PMCID: PMC8834903 DOI: 10.3390/ijms23031123] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/09/2022] [Accepted: 01/17/2022] [Indexed: 02/04/2023] Open
Abstract
Glioblastoma is an aggressive cancer of the nervous system that accounts for the majority of brain cancer-related deaths. Through cross-species transcriptome studies, we found that Engrailed 1 (EN1) is highly expressed in serum-free cultured glioma cells as well as glioma tissues, and increased expression level predicts a worse prognosis. EN1 controls glioma cell proliferation, colony formation, migration, and tumorigenic capacity in vivo. It also influences sensitivity of glioma cells to γ-ray irradiation by regulating intracellular ROS levels. Mechanistically, EN1 influences Hedgehog signaling by regulating the level of Gli1 as well as primary cilia length and the primary cilia transport-related protein TULP3. In conclusion, we demonstrate that EN1 acts as an oncogenic regulator that contributes to glioblastoma pathogenesis and could serve as a diagnostic/prognostic marker and therapeutic target for glioblastoma.
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Affiliation(s)
- Jinchun Chang
- College of Life Sciences, Beijing Normal University, Beijing 100875, China;
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
| | - Chenjia Guo
- Chinese Institute for Brain Research, Beijing 102206, China; (C.G.); (J.L.); (Z.L.)
| | - Jianyu Li
- Chinese Institute for Brain Research, Beijing 102206, China; (C.G.); (J.L.); (Z.L.)
| | - Zhangqian Liang
- Chinese Institute for Brain Research, Beijing 102206, China; (C.G.); (J.L.); (Z.L.)
| | - Yankai Wang
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
| | - Anliang Yu
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
| | - Runze Liu
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
| | - Yuting Guo
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
| | - Jian Chen
- Chinese Institute for Brain Research, Beijing 102206, China; (C.G.); (J.L.); (Z.L.)
- Institute of Functional Nano and Soft Materials (FUNSOM) & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China
- Correspondence: (J.C.); (S.H.)
| | - Song Huang
- National Institute of Biological Sciences, Beijing 102206, China; (Y.W.); (A.Y.); (R.L.); (Y.G.)
- Correspondence: (J.C.); (S.H.)
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6
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Kato Y, Sawada A, Tonai K, Tatsuno H, Uenoyama T, Itoh M. A new allele of <i>engrailed</i>, <i>en<sup>NK14</sup></i>, causes supernumerary spermathecae in <i>Drosophila melanogaster</i>. Genes Genet Syst 2021; 96:259-269. [DOI: 10.1266/ggs.21-00030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Yasuko Kato
- Department of Applied Biology, Kyoto Institute of Technology
| | - Akiko Sawada
- Department of Applied Biology, Kyoto Institute of Technology
| | - Kazuki Tonai
- Department of Applied Biology, Kyoto Institute of Technology
| | - Hisashi Tatsuno
- Department of Applied Biology, Kyoto Institute of Technology
| | | | - Masanobu Itoh
- Advanced Insect Research Promotion Center, Kyoto Institute of Technology
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7
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Novel Prostate Cancer Biomarkers: Aetiology, Clinical Performance and Sensing Applications. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9080205] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The review initially provides a short introduction to prostate cancer (PCa) incidence, mortality, and diagnostics. Next, the need for novel biomarkers for PCa diagnostics is briefly discussed. The core of the review provides details about PCa aetiology, alternative biomarkers available for PCa diagnostics besides prostate specific antigen and their biosensing. In particular, low molecular mass biomolecules (ions and metabolites) and high molecular mass biomolecules (proteins, RNA, DNA, glycoproteins, enzymes) are discussed, along with clinical performance parameters.
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8
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Prostate Cancer Biomarkers: From diagnosis to prognosis and precision-guided therapeutics. Pharmacol Ther 2021; 228:107932. [PMID: 34174272 DOI: 10.1016/j.pharmthera.2021.107932] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/23/2022]
Abstract
Prostate cancer (PCa) is one of the most commonly diagnosed malignancies and among the leading causes of cancer-related death worldwide. It is a highly heterogeneous disease, ranging from remarkably slow progression or inertia to highly aggressive and fatal disease. As therapeutic decision-making, clinical trial design and outcome highly depend on the appropriate stratification of patients to risk groups, it is imperative to differentiate between benign versus more aggressive states. The incorporation of clinically valuable prognostic and predictive biomarkers is also potentially amenable in this process, in the timely prevention of metastatic disease and in the decision for therapy selection. This review summarizes the progress that has so far been made in the identification of the genomic events that can be used for the classification, prediction and prognostication of PCa, and as major targets for clinical intervention. We include an extensive list of emerging biomarkers for which there is enough preclinical evidence to suggest that they may constitute crucial targets for achieving significant advances in the management of the disease. Finally, we highlight the main challenges that are associated with the identification of clinically significant PCa biomarkers and recommend possible ways to overcome such limitations.
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9
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Connell SP, Mills R, Pandha H, Morgan R, Cooper CS, Clark J, Brewer DS. Integration of Urinary EN2 Protein & Cell-Free RNA Data in the Development of a Multivariable Risk Model for the Detection of Prostate Cancer Prior to Biopsy. Cancers (Basel) 2021; 13:cancers13092102. [PMID: 33925381 PMCID: PMC8123800 DOI: 10.3390/cancers13092102] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 11/21/2022] Open
Abstract
Simple Summary Prostate cancer is a disease responsible for a large proportion of all male cancer deaths but there is a high chance that a patient will die with the disease rather than from. Therefore, there is a desperate need for improvements in diagnosing and predicting outcomes for prostate cancer patients to minimise overdiagnosis and overtreatment whilst appropriately treating men with aggressive disease, especially if this can be done without taking an invasive biopsy. In this work we develop a test that predicts whether a patient has prostate cancer and how aggressive the disease is from a urine sample. This model combines the measurement of a protein-marker called EN2 and the levels of 10 genes measured in urine and proves that integration of information from multiple, non-invasive biomarker sources has the potential to greatly improve how patients with a clinical suspicion of prostate cancer are risk-assessed prior to an invasive biopsy. Abstract The objective is to develop a multivariable risk model for the non-invasive detection of prostate cancer prior to biopsy by integrating information from clinically available parameters, Engrailed-2 (EN2) whole-urine protein levels and data from urinary cell-free RNA. Post-digital-rectal examination urine samples collected as part of the Movember Global Action Plan 1 study which has been analysed for both cell-free-RNA and EN2 protein levels were chosen to be integrated with clinical parameters (n = 207). A previously described robust feature selection framework incorporating bootstrap resampling and permutation was applied to the data to generate an optimal feature set for use in Random Forest models for prediction. The fully integrated model was named ExoGrail, and the out-of-bag predictions were used to evaluate the diagnostic potential of the risk model. ExoGrail risk (range 0–1) was able to determine the outcome of an initial trans-rectal ultrasound guided (TRUS) biopsy more accurately than clinical standards of care, predicting the presence of any cancer with an area under the receiver operator curve (AUC) = 0.89 (95% confidence interval(CI): 0.85–0.94), and discriminating more aggressive Gleason ≥ 3 + 4 disease returning an AUC = 0.84 (95% CI: 0.78–0.89). The likelihood of more aggressive disease being detected significantly increased as ExoGrail risk score increased (Odds Ratio (OR) = 2.21 per 0.1 ExoGrail increase, 95% CI: 1.91–2.59). Decision curve analysis of the net benefit of ExoGrail showed the potential to reduce the numbers of unnecessary biopsies by 35% when compared to current standards of care. Integration of information from multiple, non-invasive biomarker sources has the potential to greatly improve how patients with a clinical suspicion of prostate cancer are risk-assessed prior to an invasive biopsy.
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Affiliation(s)
- Shea P. Connell
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK; (S.P.C.); (C.S.C.); (J.C.)
| | - Robert Mills
- Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, Norfolk NR4 7UY, UK;
| | - Hardev Pandha
- Faculty of Health and Medical Sciences, The University of Surrey, Guildford GU2 7XH, UK;
| | - Richard Morgan
- School of Pharmacy and Medical Sciences, University of Bradford, Bradford BD7 1DP, UK;
| | - Colin S. Cooper
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK; (S.P.C.); (C.S.C.); (J.C.)
| | - Jeremy Clark
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK; (S.P.C.); (C.S.C.); (J.C.)
| | - Daniel S. Brewer
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK; (S.P.C.); (C.S.C.); (J.C.)
- The Earlham Institute, Norwich Research Park, Norwich, Norfolk NR4 7UZ, UK
- Correspondence: ; Tel.: +44-(0)-1603-593761
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10
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Li Q, Shi Y, Sa R, Hao J, Hu J, Xiao M, Wang C, Yan L, Qiao B, Chen G. Altered staining patterns and expression level of Engrailed-2 in benign prostatic hyperplasia and prostate Cancer predict prostatic disease progression. BMC Cancer 2020; 20:555. [PMID: 32539763 PMCID: PMC7296936 DOI: 10.1186/s12885-020-07049-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 06/06/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Prostate cancer (PC), a common malignant tumor, is the second-leading cause of cancer death among American men. Its successful treatment greatly relies on the early diagnose. Engrailed-2 (EN2) has been confirmed being existed with a high level in the urine of PC patients. In this study, to explore the application of EN2 in PC, we detected the immunohistochemical staining difference and EN2 expression level between benign prostatic hyperplasia (BPH) and PC. METHODS We developed a monoclonal antibody against the helix 3 in EN2 and confirmed its specificity with Western blotting (WB) and immunofluorescence detecting the subcellular localization of endogenous and exogenous EN2 in three PC cell lines (LNCap, PC3, and DU145). We conducted immunohistochemical staining using this homemade antibody, and RT-PCR to detect the expression of EN2 in 25 PC and 25 BPH cases, and analyzed the correlation of EN2 expression and PC clinical staging. RESULTS The results of WB and immunofluorescence showed our homemade EN2 monoclonal antibody could specifically bind endogenous and exogenous EN2 protein in three different PC cell lines. Endogenous EN2 was generally expressed in the cytoplasm and exogenous EN2 mostly existed in the nucleus of these cell lines. Immunohistochemical staining in PC had extremely stronger signals than that in BPH, suggesting a higher EN2 expression level in PC, which was confirmed by RT-PCR. Interestingly, the stained areas in BPH tissues were mainly in nucleus and cytoplasm, while in PC tissues were mainly on cytomembrane. Moreover, the expression level of EN2 was positively correlated with the PC clinical staging. CONCLUSION Using our homemade EN2 antibody, we have found different staining patterns and expression level of EN2 in BPH and PC,which may be helpful to predict prostatic disease progression.
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Affiliation(s)
- Qi Li
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Yibo Shi
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Rigai Sa
- Beijing Gegen biotechnology co., LTD, Beijing, China
| | - Jun Hao
- grid.169077.e0000 0004 1937 2197Interdisciplinary life science, Purdue University, West Lafayette, IN USA
| | - Jinhao Hu
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Mulun Xiao
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Chaoliang Wang
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Liang Yan
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Baoping Qiao
- grid.412633.1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Guoxun Chen
- grid.411461.70000 0001 2315 1184Department of Nutrition, University of Tennessee at Knoxville, Knoxville, TN USA
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11
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Juraleviciute M, Pozniak J, Nsengimana J, Harland M, Randerson-Moor J, Wernhoff P, Bassarova A, Øy GF, Trøen G, Flørenes VA, Bishop DT, Herlyn M, Newton-Bishop J, Slipicevic A. MX 2 is a novel regulator of cell cycle in melanoma cells. Pigment Cell Melanoma Res 2020; 33:446-457. [PMID: 31660681 PMCID: PMC7180100 DOI: 10.1111/pcmr.12837] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 10/07/2019] [Accepted: 10/18/2019] [Indexed: 12/14/2022]
Abstract
MX2 protein is a dynamin-like GTPase2 that has recently been identified as an interferon-induced restriction factor of HIV-1 and other primate lentiviruses. A single nucleotide polymorphism (SNP), rs45430, in an intron of the MX2 gene, was previously reported as a novel melanoma susceptibility locus in genome-wide association studies. Functionally, however, it is still unclear whether and how MX2 contributes to melanoma susceptibility and tumorigenesis. Here, we show that MX2 is differentially expressed in melanoma tumors and cell lines, with most metastatic cell lines showing lower MX2 expression than primary melanoma cell lines and melanocytes. Furthermore, high expression of MX2 RNA in primary melanoma tumors is associated with better patient survival. Overexpression of MX2 reduces in vivo proliferation partially through inhibition of AKT activation, suggesting that it can act as a tumor suppressor in melanoma. However, we have also identified a subset of melanoma cell lines with high endogenous MX2 expression where downregulation of MX2 leads to reduced proliferation. In these cells, MX2 downregulation interfered with DNA replication and cell cycle processes. Collectively, our data for the first time show that MX2 is functionally involved in the regulation of melanoma proliferation but that its function is context-dependent.
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Affiliation(s)
| | - Joanna Pozniak
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
- Laboratory for Molecular Cancer Biology, VIB Center for Cancer Biology, KU Leuven, Leuven, Belgium
- Department of Oncology, KU Leuven, Leuven, Belgium
| | - Jérémie Nsengimana
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | - Mark Harland
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | - Juliette Randerson-Moor
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | - Patrik Wernhoff
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Assia Bassarova
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Geir Frode Øy
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Gunhild Trøen
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | | | - David Timothy Bishop
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | | | - Julia Newton-Bishop
- Division of Haematology and Immunology, Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | - Ana Slipicevic
- Department of Pathology, Oslo University Hospital, Oslo, Norway
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12
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Sitia R, Rubartelli A. Evolution, role in inflammation, and redox control of leaderless secretory proteins. J Biol Chem 2020; 295:7799-7811. [PMID: 32332096 DOI: 10.1074/jbc.rev119.008907] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Members of the interleukin (IL)-1 family are key determinants of inflammation. Despite their role as intercellular mediators, most lack the leader peptide typically required for protein secretion. This lack is a characteristic of dozens of other proteins that are actively and selectively secreted from living cells independently of the classical endoplasmic reticulum-Golgi exocytic route. These proteins, termed leaderless secretory proteins (LLSPs), comprise proteins directly or indirectly involved in inflammation, including cytokines such as IL-1β and IL-18, growth factors such as fibroblast growth factor 2 (FGF2), redox enzymes such as thioredoxin, and proteins most expressed in the brain, some of which participate in the pathogenesis of neurodegenerative disorders. Despite much effort, motifs that promote LLSP secretion remain to be identified. In this review, we summarize the mechanisms and pathophysiological significance of the unconventional secretory pathways that cells use to release LLSPs. We place special emphasis on redox regulation and inflammation, with a focus on IL-1β, which is secreted after processing of its biologically inactive precursor pro-IL-1β in the cytosol. Although LLSP externalization remains poorly understood, some possible mechanisms have emerged. For example, a common feature of LLSP pathways is that they become more active in response to stress and that they involve several distinct excretion mechanisms, including direct plasma membrane translocation, lysosome exocytosis, exosome formation, membrane vesiculation, autophagy, and pyroptosis. Further investigations of unconventional secretory pathways for LLSP secretion may shed light on their evolution and could help advance therapeutic avenues for managing pathological conditions, such as diseases arising from inflammation.
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Affiliation(s)
- Roberto Sitia
- Division of Genetics and Cell Biology, Protein Transport and Secretion Unit, IRCCS Ospedale San Raffaele/Università Vita-Salute San Raffaele, Milan, Italy
| | - Anna Rubartelli
- Division of Genetics and Cell Biology, Protein Transport and Secretion Unit, IRCCS Ospedale San Raffaele/Università Vita-Salute San Raffaele, Milan, Italy .,Cell Biology Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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13
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Cavalli G, Cenci S. Autophagy and Protein Secretion. J Mol Biol 2020; 432:2525-2545. [PMID: 31972172 DOI: 10.1016/j.jmb.2020.01.015] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/08/2020] [Accepted: 01/12/2020] [Indexed: 12/13/2022]
Abstract
Autophagy - conventional for macroautophagy - is a major recycling strategy that ensures cellular homeostasis through the selective engulfment of cytoplasmic supramolecular cargos in double membrane vesicles and their rapid dispatch to the lysosome for digestion. As autophagy operates in the cytoplasm, its interference with secretory proteins, that is, proteins destined to the plasma membrane or the extracellular space, generally synthesized and routed within the endoplasmic reticulum (ER), has been relatively overlooked in the past. However, mounting evidence reveals that autophagy in fact heavily regulates protein secretion through diverse mechanisms. First, autophagy is closely involved in the unconventional secretion of leaderless proteins, a pool of proteins destined extracellularly, but lacking an ER-targeted leader sequence, and thus manufactured in the cytosol. Autophagy-related (ATG) genes now appear instrumental to the underlying pathways, hence the recently coined concept of secretory autophagy, or better ATG gene-dependent secretion. Indeed, ATG genes regulate unconventional protein secretion at multiple levels, ranging from intracellular inflammatory signaling, for example, through the control of mitochondrial health and inflammasome activity, to trafficking of leaderless proteins. Moreover, perhaps less expectedly, autophagy also participates in the control of conventional secretion, intersecting the secretory apparatus at multiple points, though with surprising differences among professional secretory cell types that disclose remarkable and unpredicted specificity. This review synopsizes the multiple mechanisms whereby autophagy interfaces with conventional and unconventional protein secretory pathways and discusses the relative teleology. Altogether, the diverse controls exerted on protein secretion broaden and deepen the homeostatic significance of autophagy within the cell.
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Affiliation(s)
- Giulio Cavalli
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases, Ospedale San Raffaele, Milano, Italy; Vita-Salute San Raffaele University, Milano, Italy
| | - Simone Cenci
- Vita-Salute San Raffaele University, Milano, Italy; Unit of Age Related Diseases, Division of Genetics and Cell Biology, Ospedale San Raffaele, Milano, Italy.
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14
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Elamin AA, Klunkelfuß S, Kämpfer S, Oehlmann W, Stehr M, Smith C, Simpson GR, Morgan R, Pandha H, Singh M. A Specific Blood Signature Reveals Higher Levels of S100A12: A Potential Bladder Cancer Diagnostic Biomarker Along With Urinary Engrailed-2 Protein Detection. Front Oncol 2020; 9:1484. [PMID: 31993369 PMCID: PMC6962349 DOI: 10.3389/fonc.2019.01484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/10/2019] [Indexed: 12/13/2022] Open
Abstract
Urothelial carcinoma of the urinary bladder (UCB) or bladder cancer remains a major health problem with high morbidity and mortality rates, especially in the western world. UCB is also associated with the highest cost per patient. In recent years numerous markers have been evaluated for suitability in UCB detection and surveillance. However, to date none of these markers can replace or even reduce the use of routine tools (cytology and cystoscopy). Our current study described UCB's extensive expression profile and highlighted the variations with normal bladder tissue. Our data revealed that JUP, PTGDR, KLRF1, MT-TC, and RNU6-135P are associated with prognosis in patients with UCB. The microarray expression data identified also S100A12, S100A8, and NAMPT as potential UCB biomarkers. Pathway analysis revealed that natural killer cell mediated cytotoxicity is the most involved pathway. Our analysis showed that S100A12 protein may be useful as a biomarker for early UCB detection. Plasma S100A12 has been observed in patients with UCB with an overall sensitivity of 90.5% and a specificity of 75%. S100A12 is highly expressed preferably in high-grade and high-stage UCB. Furthermore, using a panel of more than hundred urine samples, a prototype lateral flow test for the transcription factor Engrailed-2 (EN2) also showed reasonable sensitivity (85%) and specificity (71%). Such findings provide confidence to further improve and refine the EN2 rapid test for use in clinical practice. In conclusion, S100A12 and EN2 have shown potential value as biomarker candidates for UCB patients. These results can speed up the discovery of biomarkers, improving diagnostic accuracy and may help the management of UCB.
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Affiliation(s)
- Ayssar A Elamin
- LIONEX Diagnostics and Therapeutics GmbH, Brunswick, Germany
| | | | - Susanne Kämpfer
- LIONEX Diagnostics and Therapeutics GmbH, Brunswick, Germany
| | - Wulf Oehlmann
- LIONEX Diagnostics and Therapeutics GmbH, Brunswick, Germany
| | - Matthias Stehr
- LIONEX Diagnostics and Therapeutics GmbH, Brunswick, Germany
| | - Christopher Smith
- Department of Oncology, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Guy R Simpson
- Department of Oncology, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Richard Morgan
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford, United Kingdom
| | - Hardev Pandha
- Department of Oncology, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Mahavir Singh
- LIONEX Diagnostics and Therapeutics GmbH, Brunswick, Germany
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