Inhibition of NF-Κb Signaling Alters Acute Myelogenous Leukemia Cell Transcriptomics
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Functions of the Mineralocorticoid Receptor in the Hippocampus By
Functions of the Mineralocorticoid Receptor in the Hippocampus by Aaron M. Rozeboom A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Cellular and Molecular Biology) in The University of Michigan 2008 Doctoral Committee: Professor Audrey F. Seasholtz, Chair Professor Elizabeth A. Young Professor Ronald Jay Koenig Associate Professor Gary D. Hammer Assistant Professor Jorge A. Iniguez-Lluhi Acknowledgements There are more people than I can possibly name here that I need to thank who have helped me throughout the process of writing this thesis. The first and foremost person on this list is my mentor, Audrey Seasholtz. Between working in her laboratory as a research assistant and continuing my training as a graduate student, I spent 9 years in Audrey’s laboratory and it would be no exaggeration to say that almost everything I have learned regarding scientific research has come from her. Audrey’s boundless enthusiasm, great patience, and eager desire to teach students has made my time in her laboratory a richly rewarding experience. I cannot speak of Audrey’s laboratory without also including all the past and present members, many of whom were/are not just lab-mates but also good friends. I also need to thank all the members of my committee, an amazing group of people whose scientific prowess combined with their open-mindedness allowed me to explore a wide variety of interests while maintaining intense scientific rigor. Outside of Audrey’s laboratory, there have been many people in Ann Arbor without whom I would most assuredly have gone crazy. -
Different Genetic Mechanisms Mediate Spontaneous Versus UVR-Induced
RESEARCH ARTICLE Different genetic mechanisms mediate spontaneous versus UVR-induced malignant melanoma Blake Ferguson1, Herlina Y Handoko1, Pamela Mukhopadhyay1, Arash Chitsazan1, Lois Balmer2,3, Grant Morahan2, Graeme J Walker1†* 1Drug Discovery Group, QIMR Berghofer Medical Research Institute, Herston, Australia; 2Centre for Diabetes Research, Harry Perkins Institute of Medical Research, Perth, Australia; 3School of Medical and Health Sciences, Edith Cowan University, Joondalup, Australia Abstract Genetic variation conferring resistance and susceptibility to carcinogen-induced tumorigenesis is frequently studied in mice. We have now turned this idea to melanoma using the collaborative cross (CC), a resource of mouse strains designed to discover genes for complex diseases. We studied melanoma-prone transgenic progeny across seventy CC genetic backgrounds. We mapped a strong quantitative trait locus for rapid onset spontaneous melanoma onset to Prkdc, a gene involved in detection and repair of DNA damage. In contrast, rapid onset UVR-induced melanoma was linked to the ribosomal subunit gene Rrp15. Ribosome biogenesis was upregulated in skin shortly after UVR exposure. Mechanistically, variation in the ‘usual suspects’ by which UVR may exacerbate melanoma, defective DNA repair, melanocyte proliferation, or inflammatory cell infiltration, did not explain melanoma susceptibility or resistance across the CC. *For correspondence: [email protected] Instead, events occurring soon after exposure, such as dysregulation of ribosome function, which alters many aspects of cellular metabolism, may be important. † Present address: Experimental DOI: https://doi.org/10.7554/eLife.42424.001 Dermatology Group, The University of Queensland Diamantina Institute, Woolloongabba, Australia Introduction Competing interests: The Cutaneous malignant melanoma (MM) is well known to be associated with high levels of sun expo- authors declare that no sure. -
And EZH2-Regulated Gene, Has Differential Roles in AR-Dependent and -Independent Prostate Cancer
www.impactjournals.com/oncotarget/ Oncotarget, Vol. 6, No.4 RUNX1, an androgen- and EZH2-regulated gene, has differential roles in AR-dependent and -independent prostate cancer Ken-ichi Takayama1,2, Takashi Suzuki3, Shuichi Tsutsumi4, Tetsuya Fujimura5, Tomohiko Urano1,2, Satoru Takahashi6, Yukio Homma5, Hiroyuki Aburatani4 and Satoshi Inoue1,2,7 1 Department of Anti-Aging Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan 2 Department of Geriatric Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan 3 Department of Pathology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan 4 Genome Science Division, Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Tokyo, Japan 5 Department of Urology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan 6 Department of Urology, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan 7 Division of Gene Regulation and Signal Transduction, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, Japan Correspondence to: Satoshi Inoue, email: [email protected] Keywords: RUNX1, androgen receptor, EZH2, prostate cancer Received: October 02, 2014 Accepted: December 09, 2014 Published: December 10, 2014 This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. ABSTRACT Androgen receptor (AR) signaling is essential for the development of prostate cancer. Here, we report that runt-related transcription factor (RUNX1) could be a key molecule for the androgen-dependence of prostate cancer. We found RUNX1 is a target of AR and regulated positively by androgen. -
Anti-MRPS17 Monoclonal Antibody, Clone FQS23694 (DCABH-6110) This Product Is for Research Use Only and Is Not Intended for Diagnostic Use
Anti-MRPS17 monoclonal antibody, clone FQS23694 (DCABH-6110) This product is for research use only and is not intended for diagnostic use. PRODUCT INFORMATION Product Overview Rabbit monoclonal to MRPS17 Antigen Description Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that belongs to the ribosomal protein S17P family. The encoded protein is moderately conserved between human mitochondrial and prokaryotic ribosomal proteins. Pseudogenes corresponding to this gene are found on chromosomes 1p, 3p, 6q, 14p, 18q, and Xq. Immunogen Recombinant fragment within Human MRPS17. The exact sequence is proprietary.Database link: Q9Y2R5 Isotype IgG Source/Host Rabbit Species Reactivity Human Clone FQS23694 Purity Tissue culture supernatant Conjugate Unconjugated Applications IHC-P, WB, ICC/IF, IP Positive Control HeLa, HepG2 and U937 cell lysate; Human kidney and liver tissue; HeLa cells Format Liquid Size 100 μl Buffer pH: 7.2; Preservative: 0.01% Sodium azide; Constituents: 49% PBS, 0.05% BSA, 50% Glycerol 45-1 Ramsey Road, Shirley, NY 11967, USA Email: [email protected] Tel: 1-631-624-4882 Fax: 1-631-938-8221 1 © Creative Diagnostics All Rights Reserved Preservative 0.01% Sodium Azide Storage Store at +4°C short term (1-2 weeks). -
Spatial Protein Interaction Networks of the Intrinsically Disordered Transcription Factor C(%3$
Spatial protein interaction networks of the intrinsically disordered transcription factor C(%3$ Dissertation zur Erlangung des akademischen Grades Doctor rerum naturalium (Dr. rer. nat.) im Fach Biologie/Molekularbiologie eingereicht an der Lebenswissenschaftlichen Fakultät der Humboldt-Universität zu Berlin Von Evelyn Ramberger, M.Sc. Präsidentin der Humboldt-Universität zu Berlin Prof. Dr.-Ing.Dr. Sabine Kunst Dekan der Lebenswissenschaftlichen Fakultät der Humboldt-Universität zu Berlin Prof. Dr. Bernhard Grimm Gutachter: 1. Prof. Dr. Achim Leutz 2. Prof. Dr. Matthias Selbach 3. Prof. Dr. Gunnar Dittmar Tag der mündlichen Prüfung: 12.8.2020 For T. Table of Contents Selbstständigkeitserklärung ....................................................................................1 List of Figures ............................................................................................................2 List of Tables ..............................................................................................................3 Abbreviations .............................................................................................................4 Zusammenfassung ....................................................................................................6 Summary ....................................................................................................................7 1. Introduction ............................................................................................................8 1.1. Disordered proteins -
Micrornas Mediated Regulation of the Ribosomal Proteins and Its Consequences on the Global Translation of Proteins
cells Review microRNAs Mediated Regulation of the Ribosomal Proteins and Its Consequences on the Global Translation of Proteins Abu Musa Md Talimur Reza 1,2 and Yu-Guo Yuan 1,3,* 1 Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; [email protected] 2 Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawi´nskiego5a, 02-106 Warsaw, Poland 3 Jiangsu Key Laboratory of Zoonosis/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China * Correspondence: [email protected]; Tel.: +86-514-8797-9228 Abstract: Ribosomal proteins (RPs) are mostly derived from the energy-consuming enzyme families such as ATP-dependent RNA helicases, AAA-ATPases, GTPases and kinases, and are important structural components of the ribosome, which is a supramolecular ribonucleoprotein complex, composed of Ribosomal RNA (rRNA) and RPs, coordinates the translation and synthesis of proteins with the help of transfer RNA (tRNA) and other factors. Not all RPs are indispensable; in other words, the ribosome could be functional and could continue the translation of proteins instead of lacking in some of the RPs. However, the lack of many RPs could result in severe defects in the biogenesis of ribosomes, which could directly influence the overall translation processes and global expression of the proteins leading to the emergence of different diseases including cancer. While microRNAs (miRNAs) are small non-coding RNAs and one of the potent regulators of the post-transcriptional 0 gene expression, miRNAs regulate gene expression by targeting the 3 untranslated region and/or coding region of the messenger RNAs (mRNAs), and by interacting with the 50 untranslated region, Citation: Reza, A.M.M.T.; Yuan, Y.-G. -
Mitochondrial Translation and Its Impact on Protein Homeostasis And
Mitochondrial translation and its impact on protein homeostasis and aging Tamara Suhm Academic dissertation for the Degree of Doctor of Philosophy in Biochemistry at Stockholm University to be publicly defended on Friday 15 February 2019 at 09.00 in Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 16 B. Abstract Besides their famous role as powerhouse of the cell, mitochondria are also involved in many signaling processes and metabolism. Therefore, it is unsurprising that mitochondria are no isolated organelles but are in constant crosstalk with other parts of the cell. Due to the endosymbiotic origin of mitochondria, they still contain their own genome and gene expression machinery. The mitochondrial genome of yeast encodes eight proteins whereof seven are core subunits of the respiratory chain and ATP synthase. These subunits need to be assembled with subunits imported from the cytosol to ensure energy supply of the cell. Hence, coordination, timing and accuracy of mitochondrial gene expression is crucial for cellular energy production and homeostasis. Despite the central role of mitochondrial translation surprisingly little is known about the molecular mechanisms. In this work, I used baker’s yeast Saccharomyces cerevisiae to study different aspects of mitochondrial translation. Exploiting the unique possibility to make directed modifications in the mitochondrial genome of yeast, I established a mitochondrial encoded GFP reporter. This reporter allows monitoring of mitochondrial translation with different detection methods and enables more detailed studies focusing on timing and regulation of mitochondrial translation. Furthermore, employing insights gained from bacterial translation, we showed that mitochondrial translation efficiency directly impacts on protein homeostasis of the cytoplasm and lifespan by affecting stress handling. -
The Role of Human Ribosomal Proteins in the Maturation of Rrna and Ribosome Production
JOBNAME: RNA 14#9 2008 PAGE: 1 OUTPUT: Friday August 8 17:34:50 2008 csh/RNA/164293/rna11320 Downloaded from rnajournal.cshlp.org on September 27, 2021 - Published by Cold Spring Harbor Laboratory Press The role of human ribosomal proteins in the maturation of rRNA and ribosome production SARA ROBLEDO,1,3 RACHEL A. IDOL,1,3 DAN L. CRIMMINS,2 JACK H. LADENSON,2 PHILIP J. MASON,1,4 and MONICA BESSLER1,4 1Department of Internal Medicine, Division of Hematology, Washington University School of Medicine, St. Louis, Missouri 63110, USA 2Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA ABSTRACT Production of ribosomes is a fundamental process that occurs in all dividing cells. It is a complex process consisting of the coordinated synthesis and assembly of four ribosomal RNAs (rRNA) with about 80 ribosomal proteins (r-proteins) involving more than 150 nonribosomal proteins and other factors. Diamond Blackfan anemia (DBA) is an inherited red cell aplasia caused by mutations in one of several r-proteins. How defects in r-proteins, essential for proliferation in all cells, lead to a human disease with a specific defect in red cell development is unknown. Here, we investigated the role of r-proteins in ribosome biogenesis in order to find out whether those mutated in DBA have any similarities. We depleted HeLa cells using siRNA for several individual r-proteins of the small (RPS6, RPS7, RPS15, RPS16, RPS17, RPS19, RPS24, RPS25, RPS28) or large subunit (RPL5, RPL7, RPL11, RPL14, RPL26, RPL35a) and studied the effect on rRNA processing and ribosome production. -
Mutational Landscape and Clinical Outcome of Patients with De Novo Acute Myeloid Leukemia and Rearrangements Involving 11Q23/KMT2A
Mutational landscape and clinical outcome of patients with de novo acute myeloid leukemia and rearrangements involving 11q23/KMT2A Marius Billa,1,2, Krzysztof Mrózeka,1,2, Jessica Kohlschmidta,b, Ann-Kathrin Eisfelda,c, Christopher J. Walkera, Deedra Nicoleta,b, Dimitrios Papaioannoua, James S. Blachlya,c, Shelley Orwicka,c, Andrew J. Carrolld, Jonathan E. Kolitze, Bayard L. Powellf, Richard M. Stoneg, Albert de la Chapelleh,i,2, John C. Byrda,c, and Clara D. Bloomfielda,c aThe Ohio State University Comprehensive Cancer Center, Columbus, OH 43210; bAlliance for Clinical Trials in Oncology Statistics and Data Center, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210; cDivision of Hematology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210; dDepartment of Genetics, University of Alabama at Birmingham, Birmingham, AL 35294; eNorthwell Health Cancer Institute, Zucker School of Medicine at Hofstra/Northwell, Lake Success, NY 11042; fDepartment of Internal Medicine, Section on Hematology & Oncology, Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC 27157; gDepartment of Medical Oncology, Dana-Farber/Partners Cancer Care, Boston, MA 02215; hHuman Cancer Genetics Program, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210; and iDepartment of Cancer Biology and Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210 Contributed by Albert de la Chapelle, August 28, 2020 (sent for review July 17, 2020; reviewed by Anne Hagemeijer and Stefan Klaus Bohlander) Balanced rearrangements involving the KMT2A gene, located at patterns that include high expression of HOXA genes and thereby 11q23, are among the most frequent chromosome aberrations in contribute to leukemogenesis (14–16). -
Figure S17 Figure S16
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Inhibition of HIF1` Signaling: a Grand Slam for MDS Therapy?
VIEWS IN THE SPOTLIGHT Inhibition of HIF1` Signaling: A Grand Slam for MDS Therapy? Jiahao Chen and Ulrich Steidl Summary: The recent focus on genomics in myelodysplastic syndromes (MDS) has led to important insights and revealed a daunting genetic heterogeneity, which is presenting great challenges for clinical treatment and preci- sion oncology approaches in MDS. Hayashi and colleagues show that multiple mutations frequently found in MDS activate HIF1α signaling, which they also found to be suffi cient to induce overt MDS in mice. Furthermore, both genetic and pharmacologic inhibition of HIF1α suppressed MDS development with only mild effects on normal hematopoiesis, implicating HIF1α signaling as a promising therapeutic target to tackle the heterogeneity of MDS. Cancer Discov; 8(11); 1355–7. ©2018 AACR . See related article by Hayashi et al., p. 1438 (5). Myelodysplastic syndromes (MDS) are a heterogeneous In this issue, Hayashi and colleagues found that target group of hematologic disorders characterized by ineffi cient genes activated by HIF1α signaling were highly expressed in hematopoiesis that manifests as bone marrow (BM) dysplasia a published cohort of 183 patients with MDS compared with and peripheral blood cytopenias, and increased risk of leuke- healthy controls ( 5 ). IHC confi rmed an increased frequency mic transformation ( 1 ). The median survival of patients with of HIF1α-expressing cells in MDS samples at different stages MDS is 4.5 years, with a signifi cantly worse survival of< 1 year (low-, intermediate-, and high-risk) -
RPSA Gene Ribosomal Protein SA
RPSA gene ribosomal protein SA Normal Function The RPSA gene provides instructions for making a protein called ribosomal protein SA, which is one of approximately 80 different ribosomal proteins. These proteins come together to form structures called ribosomes. Ribosomes process the cell's genetic instructions to create proteins. Each ribosome is made up of two parts (subunits) called the large subunit and the small subunit. Ribosomal protein SA is part of the small subunit. The specific roles of each of the ribosomal proteins within the ribosome are not entirely understood. Some ribosomal proteins are involved in the assembly or stability of ribosomes. Others help carry out the ribosome's main function of building new proteins. Research suggests that ribosomal protein SA helps the ribosome control the production of certain proteins, many of which are likely important for development before birth. Health Conditions Related to Genetic Changes Isolated congenital asplenia At least 20 RPSA gene mutations have been identified in individuals with isolated congenital asplenia. People with this condition do not have a spleen but have no other developmental abnormalities. The spleen plays an important role in the immune system. Without this organ, affected individuals are highly susceptible to bacterial infections, which can be life-threatening. RPSA gene mutations are thought to reduce the amount of functional ribosomal protein SA. A shortage of the normal protein likely impairs the assembly of ribosomes, but the specific effects of the mutations