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Hypoxia and Hormone-Mediated Pathways Converge at the Histone Demethylase KDM4B in Cancer
International Journal of Molecular Sciences Review Hypoxia and Hormone-Mediated Pathways Converge at the Histone Demethylase KDM4B in Cancer Jun Yang 1,* ID , Adrian L. Harris 2 and Andrew M. Davidoff 1 1 Department of Surgery, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA; [email protected] 2 Molecular Oncology Laboratories, Department of Oncology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK; [email protected] * Correspondence: [email protected] Received: 19 December 2017; Accepted: 9 January 2018; Published: 13 January 2018 Abstract: Hormones play an important role in pathophysiology. The hormone receptors, such as estrogen receptor alpha and androgen receptor in breast cancer and prostate cancer, are critical to cancer cell proliferation and tumor growth. In this review we focused on the cross-talk between hormone and hypoxia pathways, particularly in breast cancer. We delineated a novel signaling pathway from estrogen receptor to hypoxia-inducible factor 1, and discussed the role of this pathway in endocrine therapy resistance. Further, we discussed the estrogen and hypoxia pathways converging at histone demethylase KDM4B, an important epigenetic modifier in cancer. Keywords: estrogen receptor alpha; hypoxia-inducible factor 1; KDM4B; endocrine therapy resistance 1. Introduction A solid tumor is a heterogeneous mass that is comprised of not only genetically and epigenetically distinct clones, but also of areas with varying degree of hypoxia that result from rapid cancer cell proliferation that outgrows its blood supply. To survive in hostile hypoxic environments, cancer cells decelerate their proliferation rate, alter metabolism and cellular pH, and induce angiogenesis [1]. -
TBXA2R Rsnps, Transcriptional Factor Binding Sites and Asthma in Asians
Open Journal of Pediatrics, 2014, 4, 148-161 Published Online June 2014 in SciRes. http://www.scirp.org/journal/ojped http://dx.doi.org/10.4236/ojped.2014.42021 TBXA2R rSNPs, Transcriptional Factor Binding Sites and Asthma in Asians Norman E. Buroker Department of Pediatrics, University of Washington, Seattle, USA Email: [email protected] Received 25 January 2014; revised 20 February 2014; accepted 27 February 2014 Copyright © 2014 by author and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract Four regulatory single nucleotide polymorphisms (rSNPs) (rs2238631, rs2238632, rs2238633 and rs2238634) in intron one, two rSNPs (rs1131882 and rs4523) in exon 3 and one rSNP (rs5756) in the 3’UTR of the thromboxane A2 receptor (TBXA2R) gene have been associated with childhood- onset asthma in Asians. These rSNP alleles alter the DNA landscape for potential transcriptional factors (TFs) to attach resulting in changes in transcriptional factor binding sites (TFBS). These TFBS changes are examined with respect to asthma which has been found to be significantly asso- ciated with the rSNPs. Keywords TBXA2R, rSNPs, TFBS, Asthma 1. Introduction Asthma is a chronic inflammatory condition of the airways characterized by recurrent episodes of reversible air- way obstruction and increased bronchial hyper-responsiveness which results from the interactions between gen- es and environmental factors [1]-[3]. Asthma causes episodes of wheeze, cough, and shortness of breath [4]. Re- cent studies indicate that the genetic factors of childhood-onset asthma differ from those of adult-onset asthma [3] [5]. -
Interaction Network of Immune‑Associated Genes Affecting the Prognosis of Patients with Glioblastoma
EXPERIMENTAL AND THERAPEUTIC MEDICINE 21: 61, 2021 Interaction network of immune‑associated genes affecting the prognosis of patients with glioblastoma XIAOHONG HOU1*, JIALIN CHEN2*, QIANG ZHANG1, YINCHUN FAN1, CHENGMING XIANG1, GUIYIN ZHOU1, FANG CAO1 and SHENGTAO YAO1 1Department of Cerebrovascular Disease, Affiliated Hospital of Zunyi Medical University;2 Department of Neonatology, The First People' s Hospital of Zunyi Affiliated to Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China Received October 15, 2019; Accepted October 6, 2020 DOI: 10.3892/etm.2020.9493 Abstract. Glioblastoma multiforme (GBM) is a common and immune genes of interest. The interaction network of malignant tumor type of the nervous system. The purpose immune‑regulatory genes constructed in the present study of the present study was to establish a regulatory network of enhances the current understanding of mechanisms associated immune‑associated genes affecting the prognosis of patients with poor prognosis of patients with GBM. The risk score with GBM. The GSE4290, GSE50161 and GSE2223 datasets model established in the present study may be used to evaluate from the Gene Expression Omnibus database were screened the prognosis of patients with GBM. to identify common differentially expressed genes (co‑DEGs). A functional enrichment analysis indicated that the co‑DEGs Introduction were mainly enriched in cell communication, regulation of enzyme activity, immune response, nervous system, cytokine Glioblastoma multiforme (GBM) is one of the most malig‑ signaling in immune system and the AKT signaling pathway. nant tumor types of the central nervous system, with short The co‑DEGs accumulated in immune response were then median survival and poor prognosis. -
Selective Estrogen Receptor Modulators: Discrimination of Agonistic Versus Antagonistic Activities by Gene Expression Profiling in Breast Cancer Cells
[CANCER RESEARCH 64, 1522–1533, February 15, 2004] Selective Estrogen Receptor Modulators: Discrimination of Agonistic versus Antagonistic Activities by Gene Expression Profiling in Breast Cancer Cells Jonna Frasor,1 Fabio Stossi,1 Jeanne M. Danes,1 Barry Komm,2 C. Richard Lyttle,2 and Benita S. Katzenellenbogen1 1Department of Molecular and Integrative Physiology, University of Illinois and College of Medicine, Urbana, Illinois, and 2Women’s Health Research Institute, Wyeth Research, Collegeville, Pennsylvania ABSTRACT tures in these women; however, some detrimental side effects such as an increased risk of endometrial cancer, stroke, and pulmonary embolism Selective estrogen receptor modulators (SERMs) such as tamoxifen are were also associated with tamoxifen treatment (7). Ral was examined in effective in the treatment of many estrogen receptor-positive breast cancers the Multiple Outcomes of Raloxifene Evaluation trial and found to be and have also proven to be effective in the prevention of breast cancer in women at high risk for the disease. The comparative abilities of tamoxifen effective in reducing the incidence of osteoporosis in postmenopausal versus raloxifene in breast cancer prevention are currently being compared in women, as well as the incidence of breast cancer but, unlike tamoxifen, the Study of Tamoxifen and Raloxifene trial. To better understand the actions without the increased risk of endometrial cancer (8, 9). On the basis of the of these compounds in breast cancer, we have examined their effects on the positive outcome of these trials, the Study of Tamoxifen and Raloxifene expression of ϳ12,000 genes, using Affymetrix GeneChip microarrays, with trial was begun in 1999 to directly compare the effects of these two quantitative PCR verification in many cases, categorizing their actions as SERMs, tamoxifen and Ral, in prevention of breast cancer (10, 11). -
Endothelial Cells and the IGF System
L A Bach Endothelial cells as IGF targets 54:1 R1–R13 Review Endothelial cells and the IGF system Correspondence 1,2 Leon A Bach should be addressed to L A Bach 1Department of Medicine (Alfred), Monash University, Prahran 3181, Australia Email 2Department of Endocrinology and Diabetes, Alfred Hospital, Commercial Road, Melbourne 3004, Australia [email protected] Abstract Endothelial cells line blood vessels and modulate vascular tone, thrombosis, inflammatory Key Words responses and new vessel formation. They are implicated in many disease processes including " insulin-like growth factor atherosclerosis and cancer. IGFs play a significant role in the physiology of endothelial cells " binding protein by promoting migration, tube formation and production of the vasodilator nitric oxide. " receptor These actions are mediated by the IGF1 and IGF2/mannose 6-phosphate receptors and are " endothelial cell modulated by a family of high-affinity IGF binding proteins. IGFs also increase the number " angiogenesis and function of endothelial progenitor cells, which may contribute to protection from atherosclerosis. IGFs promote angiogenesis, and dysregulation of the IGF system may contribute to this process in cancer and eye diseases including retinopathy of prematurity and diabetic retinopathy. In some situations, IGF deficiency appears to contribute to endothelial dysfunction, whereas IGF may be deleterious in others. These differences may be due to tissue-specific endothelial cell phenotypes or IGFs having distinct roles in different phases of vascular disease. Further studies are therefore required to delineate the Journal of Molecular therapeutic potential of IGF system modulation in pathogenic processes. Endocrinology (2015) 54, R1–R13 Journal of Molecular Endocrinology Introduction Insulin-like growth factor 1 (IGF1) and IGF2 are essential metabolically active and regulate vascular tone, thrombosis, for normal pre- and postnatal growth and development inflammatory responses and new vessel formation. -
Peking University-Juntendo University Joint Symposium on Cancer Research and Treatment ADAM28 (A Disintegrin and Metalloproteinase 28) in Cancer Cell Proliferation and Progression
Whatʼs New from Juntendo University, Tokyo Juntendo Medical Journal 2017. 63(5), 322-325 Peking University - Juntendo University Joint Symposium on Cancer Research and Treatment ADAM28 (a Disintegrin and Metalloproteinase 28) in Cancer Cell Proliferation and Progression YASUNORI OKADA* *Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, Japan A disintegrinandmetalloproteinase 28 (ADAM28) is overexpressedpredominantlyby carcinoma cells in more than 70% of the non-small cell lung carcinomas, showing positive correlations with carcinoma cell proliferation and metastasis. ADAM28 cleaves insulin-like growth factor binding protein-3 (IGFBP-3) in the IGF-I/IGFBP-3 complex, leading to stimulation of cell proliferation by intact IGF-I released from the complex. ADAM28 also degrades von Willebrand factor (VWF), which induces apoptosis in human carcinoma cell lines with negligible ADAM28 expression, andthe VWF digestionby ADAM28-expressing carcinoma cells facilitates them to escape from VWF-induced apoptosis, resulting in promotion of metastasis. We have developed human antibodies against ADAM28 andshown that one of them significantly inhibits tumor growth andmetastasis using lung adenocarcinoma cells. Our data suggest that ADAM28 may be a new molecular target for therapy of the patients with ADAM28-expressing non-small cell lung carcinoma. Key words: a disintegrin and metalloproteinase 28 (ADAM28), cell proliferation, invasion, metastasis, human antibody inhibitor Introduction human cancers 2). However, development of the synthetic inhibitors of MMPs andtheir application Cancer cell proliferation andprogression are for treatment of the cancer patients failed 3). modulated by proteolytic cleavage of tissue micro- On the other hand, members of the ADAM (a environmental factors such as extracellular matrix disintegrin and metalloproteinase) gene family, (ECM), growth factors andcytokines, receptors another family belonging to the metzincin gene andcell adhesionmolecules. -
Beta-Arrestin-Mediated Signaling in the Heart
SPECIAL ARTICLE Circ J 2008; 72: 1725–1729 Beta-Arrestin-Mediated Signaling in the Heart Priyesh A. Patel, BS; Douglas G. Tilley, PhD*; Howard A. Rockman, MD*,** Beta-arrestin is a multifunctional adapter protein well known for its role in G-protein-coupled receptor (GPCR) desensitization. Exciting new evidence indicates thatβ-arrestin is also a signaling molecule capable of initiating its own G-protein-independent signaling at GPCRs. One of the best-studiedβ-arrestin signaling pathways is the one involvingβ-arrestin-dependent activation of a mitogen-activated protein kinase cascade, the extracellular regulated kinase (ERK). ERK signaling, which is classically activated by agonist stimulation of the epidermal growth factor receptor (EGFR), can be activated by a number of GPCRs in aβ-arrestin-dependent manner. Recent work in animal models of heart failure suggests thatβ-arrestin-dependent activation of EGFR/ERK signaling by theβ-1-adrenergic receptor, and possibly the angiotensin II Type 1A receptor, are cardioprotective. Hence, a new model of signaling at cardiac GPCRs has emerged and implicates classical G-protein-mediated signaling with promoting harmful remodeling in heart failure, while concurrently linkingβ-arrestin-dependent, G-protein-inde- pendent signaling with cardioprotective effects. Based on this paradigm, a new class of drugs could be identified, termed “biased ligands”, which simultaneously block harmful G-protein signaling, while also promoting cardio- protectiveβ-arrestin-dependent signaling, leading to a potential breakthrough -
BMC Evolutionary Biology Biomed Central
BMC Evolutionary Biology BioMed Central Research article Open Access On the origins of arrestin and rhodopsin Carlos E Alvarez1,2,3 Address: 1Center for Molecular and Human Genetics, The Research Institute at Nationwide Children's Hospital, Columbus, OH, 43205, USA, 2Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, 43210, USA and 3Novartis Institutes of BioMedical Research, CH-4002 Basel, Switzerland Email: Carlos E Alvarez - [email protected] Published: 29 July 2008 Received: 11 January 2008 Accepted: 29 July 2008 BMC Evolutionary Biology 2008, 8:222 doi:10.1186/1471-2148-8-222 This article is available from: http://www.biomedcentral.com/1471-2148/8/222 © 2008 Alvarez; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Background: G protein coupled receptors (GPCRs) are the most numerous proteins in mammalian genomes, and the most common targets of clinical drugs. However, their evolution remains enigmatic. GPCRs are intimately associated with trimeric G proteins, G protein receptor kinases, and arrestins. We conducted phylogenetic studies to reconstruct the history of arrestins. Those findings, in turn, led us to investigate the origin of the photosensory GPCR rhodopsin. Results: We found that the arrestin clan is comprised of the Spo0M protein family in archaea and bacteria, and the arrestin and Vps26 families in eukaryotes. The previously known animal arrestins are members of the visual/beta subfamily, which branched from the founding "alpha" arrestins relatively recently. -
Interplay Between Epigenetics and Metabolism in Oncogenesis: Mechanisms and Therapeutic Approaches
OPEN Oncogene (2017) 36, 3359–3374 www.nature.com/onc REVIEW Interplay between epigenetics and metabolism in oncogenesis: mechanisms and therapeutic approaches CC Wong1, Y Qian2,3 and J Yu1 Epigenetic and metabolic alterations in cancer cells are highly intertwined. Oncogene-driven metabolic rewiring modifies the epigenetic landscape via modulating the activities of DNA and histone modification enzymes at the metabolite level. Conversely, epigenetic mechanisms regulate the expression of metabolic genes, thereby altering the metabolome. Epigenetic-metabolomic interplay has a critical role in tumourigenesis by coordinately sustaining cell proliferation, metastasis and pluripotency. Understanding the link between epigenetics and metabolism could unravel novel molecular targets, whose intervention may lead to improvements in cancer treatment. In this review, we summarized the recent discoveries linking epigenetics and metabolism and their underlying roles in tumorigenesis; and highlighted the promising molecular targets, with an update on the development of small molecule or biologic inhibitors against these abnormalities in cancer. Oncogene (2017) 36, 3359–3374; doi:10.1038/onc.2016.485; published online 16 January 2017 INTRODUCTION metabolic genes have also been identified as driver genes It has been appreciated since the early days of cancer research mutated in some cancers, such as isocitrate dehydrogenase 1 16 17 that the metabolic profiles of tumor cells differ significantly from and 2 (IDH1/2) in gliomas and acute myeloid leukemia (AML), 18 normal cells. Cancer cells have high metabolic demands and they succinate dehydrogenase (SDH) in paragangliomas and fuma- utilize nutrients with an altered metabolic program to support rate hydratase (FH) in hereditary leiomyomatosis and renal cell 19 their high proliferative rates and adapt to the hostile tumor cancer (HLRCC). -
Mutant IDH, (R)-2-Hydroxyglutarate, and Cancer
Downloaded from genesdev.cshlp.org on October 1, 2021 - Published by Cold Spring Harbor Laboratory Press REVIEW What a difference a hydroxyl makes: mutant IDH, (R)-2-hydroxyglutarate, and cancer Julie-Aurore Losman1 and William G. Kaelin Jr.1,2,3 1Department of Medical Oncology, Dana-Farber Cancer Institute, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02215, USA; 2Howard Hughes Medical Institute, Chevy Chase, Maryland 20815, USA Mutations in metabolic enzymes, including isocitrate whether altered cellular metabolism is a cause of cancer dehydrogenase 1 (IDH1) and IDH2, in cancer strongly or merely an adaptive response of cancer cells in the face implicate altered metabolism in tumorigenesis. IDH1 of accelerated cell proliferation is still a topic of some and IDH2 catalyze the interconversion of isocitrate and debate. 2-oxoglutarate (2OG). 2OG is a TCA cycle intermediate The recent identification of cancer-associated muta- and an essential cofactor for many enzymes, including tions in three metabolic enzymes suggests that altered JmjC domain-containing histone demethylases, TET cellular metabolism can indeed be a cause of some 5-methylcytosine hydroxylases, and EglN prolyl-4-hydrox- cancers (Pollard et al. 2003; King et al. 2006; Raimundo ylases. Cancer-associated IDH mutations alter the enzymes et al. 2011). Two of these enzymes, fumarate hydratase such that they reduce 2OG to the structurally similar (FH) and succinate dehydrogenase (SDH), are bone fide metabolite (R)-2-hydroxyglutarate [(R)-2HG]. Here we tumor suppressors, and loss-of-function mutations in FH review what is known about the molecular mechanisms and SDH have been identified in various cancers, in- of transformation by mutant IDH and discuss their im- cluding renal cell carcinomas and paragangliomas. -
To Study Mutant P53 Gain of Function, Various Tumor-Derived P53 Mutants
Differential effects of mutant TAp63γ on transactivation of p53 and/or p63 responsive genes and their effects on global gene expression. A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science By Shama K Khokhar M.Sc., Bilaspur University, 2004 B.Sc., Bhopal University, 2002 2007 1 COPYRIGHT SHAMA K KHOKHAR 2007 2 WRIGHT STATE UNIVERSITY SCHOOL OF GRADUATE STUDIES Date of Defense: 12-03-07 I HEREBY RECOMMEND THAT THE THESIS PREPARED UNDER MY SUPERVISION BY SHAMA KHAN KHOKHAR ENTITLED Differential effects of mutant TAp63γ on transactivation of p53 and/or p63 responsive genes and their effects on global gene expression BE ACCEPTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Master of Science Madhavi P. Kadakia, Ph.D. Thesis Director Daniel Organisciak , Ph.D. Department Chair Committee on Final Examination Madhavi P. Kadakia, Ph.D. Steven J. Berberich, Ph.D. Michael Leffak, Ph.D. Joseph F. Thomas, Jr., Ph.D. Dean, School of Graduate Studies 3 Abstract Khokhar, Shama K. M.S., Department of Biochemistry and Molecular Biology, Wright State University, 2007 Differential effect of TAp63γ mutants on transactivation of p53 and/or p63 responsive genes and their effects on global gene expression. p63, a member of the p53 gene family, known to play a role in development, has more recently also been implicated in cancer progression. Mice lacking p63 exhibit severe developmental defects such as limb truncations, abnormal skin, and absence of hair follicles, teeth, and mammary glands. Germline missense mutations of p63 have been shown to be responsible for several human developmental syndromes including SHFM, EEC and ADULT syndromes and are associated with anomalies in the development of organs of epithelial origin. -
Cellular and Molecular Signatures in the Disease Tissue of Early
Cellular and Molecular Signatures in the Disease Tissue of Early Rheumatoid Arthritis Stratify Clinical Response to csDMARD-Therapy and Predict Radiographic Progression Frances Humby1,* Myles Lewis1,* Nandhini Ramamoorthi2, Jason Hackney3, Michael Barnes1, Michele Bombardieri1, Francesca Setiadi2, Stephen Kelly1, Fabiola Bene1, Maria di Cicco1, Sudeh Riahi1, Vidalba Rocher-Ros1, Nora Ng1, Ilias Lazorou1, Rebecca E. Hands1, Desiree van der Heijde4, Robert Landewé5, Annette van der Helm-van Mil4, Alberto Cauli6, Iain B. McInnes7, Christopher D. Buckley8, Ernest Choy9, Peter Taylor10, Michael J. Townsend2 & Costantino Pitzalis1 1Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK. Departments of 2Biomarker Discovery OMNI, 3Bioinformatics and Computational Biology, Genentech Research and Early Development, South San Francisco, California 94080 USA 4Department of Rheumatology, Leiden University Medical Center, The Netherlands 5Department of Clinical Immunology & Rheumatology, Amsterdam Rheumatology & Immunology Center, Amsterdam, The Netherlands 6Rheumatology Unit, Department of Medical Sciences, Policlinico of the University of Cagliari, Cagliari, Italy 7Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK 8Rheumatology Research Group, Institute of Inflammation and Ageing (IIA), University of Birmingham, Birmingham B15 2WB, UK 9Institute of