Comparative Analysis of the Ubiquitin-Proteasome System in Homo Sapiens and Saccharomyces Cerevisiae
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Identification of BIRC6 As a Novel Intervention Target For
Lamers et al. BMC Cancer 2012, 12:285 http://www.biomedcentral.com/1471-2407/12/285 RESEARCH ARTICLE Open Access Identification of BIRC6 as a novel intervention target for neuroblastoma therapy Fieke Lamers1, Linda Schild1, Jan Koster1, Frank Speleman2, Ingrid ra3, Ellen M Westerhout1, Peter van Sluis1, Rogier Versteeg1, Huib N Caron4 and Jan J Molenaar1,5* Abstract Background: Neuroblastoma are pediatric tumors of the sympathetic nervous system with a poor prognosis. Apoptosis is often deregulated in cancer cells, but only a few defects in apoptotic routes have been identified in neuroblastoma. Methods: Here we investigated genomic aberrations affecting genes of the intrinsic apoptotic pathway in neuroblastoma. We analyzed DNA profiling data (CGH and SNP arrays) and mRNA expression data of 31 genes of the intrinsic apoptotic pathway in a dataset of 88 neuroblastoma tumors using the R2 bioinformatic platform (http://r2.amc.nl). BIRC6 was selected for further analysis as a tumor driving gene. Knockdown experiments were performed using BIRC6 lentiviral shRNA and phenotype responses were analyzed by Western blot and MTT-assays. In addition, DIABLO levels and interactions were investigated with immunofluorescence and co-immunoprecipitation. Results: We observed frequent gain of the BIRC6 gene on chromosome 2, which resulted in increased mRNA expression. BIRC6 is an inhibitor of apoptosis protein (IAP), that can bind and degrade the cytoplasmic fraction of the pro-apoptotic protein DIABLO. DIABLO mRNA expression was exceptionally high in neuroblastoma but the protein was only detected in the mitochondria. Upon silencing of BIRC6 by shRNA, DIABLO protein levels increased and cells went into apoptosis. Co-immunoprecipitation confirmed direct interaction between DIABLO and BIRC6 in neuroblastoma cell lines. -
Genetic Screens in Isogenic Mammalian Cell Lines Without Single Cell Cloning
ARTICLE https://doi.org/10.1038/s41467-020-14620-6 OPEN Genetic screens in isogenic mammalian cell lines without single cell cloning Peter C. DeWeirdt1,2, Annabel K. Sangree1,2, Ruth E. Hanna1,2, Kendall R. Sanson1,2, Mudra Hegde 1, Christine Strand 1, Nicole S. Persky1 & John G. Doench 1* Isogenic pairs of cell lines, which differ by a single genetic modification, are powerful tools for understanding gene function. Generating such pairs of mammalian cells, however, is labor- 1234567890():,; intensive, time-consuming, and, in some cell types, essentially impossible. Here, we present an approach to create isogenic pairs of cells that avoids single cell cloning, and screen these pairs with genome-wide CRISPR-Cas9 libraries to generate genetic interaction maps. We query the anti-apoptotic genes BCL2L1 and MCL1, and the DNA damage repair gene PARP1, identifying both expected and uncharacterized buffering and synthetic lethal interactions. Additionally, we compare acute CRISPR-based knockout, single cell clones, and small- molecule inhibition. We observe that, while the approaches provide largely overlapping information, differences emerge, highlighting an important consideration when employing genetic screens to identify and characterize potential drug targets. We anticipate that this methodology will be broadly useful to comprehensively study gene function across many contexts. 1 Genetic Perturbation Platform, Broad Institute of MIT and Harvard, 75 Ames Street, Cambridge, MA 02142, USA. 2These authors contributed equally: Peter C. DeWeirdt, -
Genetic Variants in WNT2B and BTRC Predict Melanoma Survival
ACCEPTED MANUSCRIPT Genetic Variants in WNT2B and BTRC Predict Melanoma Survival Qiong Shi1, 2, 3, 9, Hongliang Liu2, 3, 9, Peng Han2, 3, 4, 9, Chunying Li1, Yanru Wang2, 3, Wenting Wu5, Dakai Zhu6, Christopher I. Amos6, Shenying Fang7, Jeffrey E. Lee7, Jiali Han5, 8* and Qingyi Wei2, 3* 1Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710032, China; 2Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA, 3Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA, 4Department of Otorhinolaryngology Head and Neck Surgery, First Affiliated Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, China; 5Department of Epidemiology, Fairbanks School of Public Health, Indiana University Melvin and Bren Simon Cancer Center, Indiana University, Indianapolis,MANUSCRIPT IN 46202, USA 6Community and Family Medicine, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA; 7Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA. 8Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA 02115, USA 9These authors contributed equally to this work. ACCEPTED *Correspondence: Qingyi Wei, M.D., Ph.D., Duke Cancer Institute, Duke University Medical Center and Department of Medicine, Duke School of Medicine, 905 S LaSalle Street, Durham, NC 27710, USA, Tel.: (919) 660-0562, E-mail: [email protected] and Jiali Han, M.D., Ph.D., 1 _________________________________________________________________________________ This is the author's manuscript of the article published in final edited form as: Shi, Q., Liu, H., Han, P., Li, C., Wang, Y., Wu, W., … Wei, Q. -
Computational Genome-Wide Identification of Heat Shock Protein Genes in the Bovine Genome [Version 1; Peer Review: 2 Approved, 1 Approved with Reservations]
F1000Research 2018, 7:1504 Last updated: 08 AUG 2021 RESEARCH ARTICLE Computational genome-wide identification of heat shock protein genes in the bovine genome [version 1; peer review: 2 approved, 1 approved with reservations] Oyeyemi O. Ajayi1,2, Sunday O. Peters3, Marcos De Donato2,4, Sunday O. Sowande5, Fidalis D.N. Mujibi6, Olanrewaju B. Morenikeji2,7, Bolaji N. Thomas 8, Matthew A. Adeleke 9, Ikhide G. Imumorin2,10,11 1Department of Animal Breeding and Genetics, Federal University of Agriculture, Abeokuta, Nigeria 2International Programs, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY, 14853, USA 3Department of Animal Science, Berry College, Mount Berry, GA, 30149, USA 4Departamento Regional de Bioingenierias, Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Queretaro, Mexico 5Department of Animal Production and Health, Federal University of Agriculture, Abeokuta, Nigeria 6Usomi Limited, Nairobi, Kenya 7Department of Animal Production and Health, Federal University of Technology, Akure, Nigeria 8Department of Biomedical Sciences, Rochester Institute of Technology, Rochester, NY, 14623, USA 9School of Life Sciences, University of KwaZulu-Natal, Durban, 4000, South Africa 10School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, 30032, USA 11African Institute of Bioscience Research and Training, Ibadan, Nigeria v1 First published: 20 Sep 2018, 7:1504 Open Peer Review https://doi.org/10.12688/f1000research.16058.1 Latest published: 20 Sep 2018, 7:1504 https://doi.org/10.12688/f1000research.16058.1 Reviewer Status Invited Reviewers Abstract Background: Heat shock proteins (HSPs) are molecular chaperones 1 2 3 known to bind and sequester client proteins under stress. Methods: To identify and better understand some of these proteins, version 1 we carried out a computational genome-wide survey of the bovine 20 Sep 2018 report report report genome. -
Molecular Genetic Delineation of 2Q37.3 Deletion in Autism and Osteodystrophy: Report of a Case and of New Markers for Deletion Screening by PCR
UC Irvine UC Irvine Previously Published Works Title Molecular genetic delineation of 2q37.3 deletion in autism and osteodystrophy: report of a case and of new markers for deletion screening by PCR. Permalink https://escholarship.org/uc/item/83f0x61r Journal Cytogenetics and cell genetics, 94(1-2) ISSN 0301-0171 Authors Smith, M Escamilla, JR Filipek, P et al. Publication Date 2001 DOI 10.1159/000048775 License https://creativecommons.org/licenses/by/4.0/ 4.0 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Original Article Cytogenet Cell Genet 94:15–22 (2001) Molecular genetic delineation of 2q37.3 deletion in autism and osteodystrophy: report of a case and of new markers for deletion screening by PCR M. Smith, J.R. Escamilla, P. Filipek, M.E. Bocian, C. Modahl, P. Flodman, and M.A. Spence Department of Pediatrics, University of California, Irvine CA (USA) Abstract. We recently studied a patient who meets criteria us to determine the parental origin of the deletion in our for autistic disorder and has a 2q37 deletion. Molecular cyto- patient. DNA from 8–13 unrelated individuals was used to genetic studies were carried out using DNA isolated from 22 determine heterozygosity estimates for these markers. We re- different 2q37 mapped BACs to more precisely define the view four genes deleted in our patient – genes whose known extent of the chromosome deletion. We also analyzed 2q37 functions and sites of expression in the brain and/or bone make mapped polymorphic markers. In addition DNA sequences of them candidates for involvement in autism and/or the osteo- BACs in the deletion region were scanned to identify microsa- dystrophy observed in patients with 2q37.3 deletions. -
Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model
Downloaded from http://www.jimmunol.org/ by guest on September 25, 2021 T + is online at: average * The Journal of Immunology , 34 of which you can access for free at: 2016; 197:1477-1488; Prepublished online 1 July from submission to initial decision 4 weeks from acceptance to publication 2016; doi: 10.4049/jimmunol.1600589 http://www.jimmunol.org/content/197/4/1477 Molecular Profile of Tumor-Specific CD8 Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. Waugh, Sonia M. Leach, Brandon L. Moore, Tullia C. Bruno, Jonathan D. Buhrman and Jill E. Slansky J Immunol cites 95 articles Submit online. Every submission reviewed by practicing scientists ? is published twice each month by Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts http://jimmunol.org/subscription Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html http://www.jimmunol.org/content/suppl/2016/07/01/jimmunol.160058 9.DCSupplemental This article http://www.jimmunol.org/content/197/4/1477.full#ref-list-1 Information about subscribing to The JI No Triage! Fast Publication! Rapid Reviews! 30 days* Why • • • Material References Permissions Email Alerts Subscription Supplementary The Journal of Immunology The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2016 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. This information is current as of September 25, 2021. The Journal of Immunology Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. -
Recent Advances of M6a Methylation Modification in Esophageal Squamous Cell Carcinoma
Zhang et al. Cancer Cell Int (2021) 21:421 https://doi.org/10.1186/s12935-021-02132-2 Cancer Cell International REVIEW Open Access Recent advances of m6A methylation modifcation in esophageal squamous cell carcinoma Xiaoqing Zhang1†, Ning Lu1†, Li Wang2†, Yixuan Wang1, Minna Li1, Ying Zhou3, Manli Cui1*, Mingxin Zhang1,3* and Lingmin Zhang4* Abstract In recent years, with the development of RNA sequencing technology and bioinformatics methods, the epigenetic modifcation of RNA based on N6-methyladenosine (m6A) has gradually become a research hotspot in the feld of bioscience. m6A is the most abundant internal modifcation in eukaryotic messenger RNAs (mRNAs). m6A methylation modifcation can dynamically and reversibly regulate RNA transport, localization, translation and degradation through the interaction of methyltransferase, demethylase and reading protein. m6A methylation can regulate the expression of proto-oncogenes and tumor suppressor genes at the epigenetic modifcation level to afect tumor occurrence and metastasis. The morbidity and mortality of esophageal cancer (EC) are still high worldwide. Esophageal squamous cell carcinoma (ESCC) is the most common tissue subtype of EC. This article reviews the related concepts, biological functions and recent advances of m6A methylation in ESCC, and looks forward to the prospect of m6A methylation as a new diagnostic biomarker and potential therapeutic target for ESCC. Keywords: N6-methyladenosine, Methylation, Esophageal squamous cell carcinoma Introduction surgical resection, combined radiotherapy and chemo- Esophageal cancer (EC) is one of the most invasive malig- therapy have improved the prognosis of patients with nant tumors of digestive tract in the world, and its mor- ESCC, the 5-year overall survival rate is still very low [5], bidity and mortality are still high in China [1]. -
14321 NAE1/APPBP1 (D9I4Z) Rabbit Mab
Revision 1 C 0 2 - t NAE1/APPBP1 (D9I4Z) Rabbit mAb a e r o t S Orders: 877-616-CELL (2355) [email protected] 1 Support: 877-678-TECH (8324) 2 3 Web: [email protected] 4 www.cellsignal.com 1 # 3 Trask Lane Danvers Massachusetts 01923 USA For Research Use Only. Not For Use In Diagnostic Procedures. Applications: Reactivity: Sensitivity: MW (kDa): Source/Isotype: UniProt ID: Entrez-Gene Id: WB H M R Mk Endogenous 60 Rabbit IgG Q13564 8883 Product Usage Information 2. Huang, D.T. et al. (2005) Mol Cell 17, 341-50. 3. Liakopoulos, D. et al. (1998) EMBO J 17, 2208-14. Application Dilution 4. Gong, L. and Yeh, E.T. (1999) J Biol Chem 274, 12036-42. 5. Wada, H. et al. (2000) J Biol Chem 275, 17008-15. Western Blotting 1:1000 6. Sakata, E. et al. (2007) Nat Struct Mol Biol 14, 167-8. 7. Kawakami, T. et al. (2001) EMBO J 20, 4003-12. Storage 8. Podust, V.N. et al. (2000) Proc Natl Acad Sci USA 97, 4579-84. 9. Wu, K. et al. (2002) J Biol Chem 277, 516-27. Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% 10. Amir, R.E. et al. (2002) J Biol Chem 277, 23253-9. glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody. 11. Herrmann, J. et al. (2007) Circ Res 100, 1276-91. 12. Walden, H. et al. (2003) Mol Cell 12, 1427-37. -
Is APP Key to the Appbp1 Pathway?
Open Access Full Text Article Austin Alzheimer’s and Parkinson’s Disease A Austin Publishing Group Review Article Cycle on Wheels: Is APP Key to the AppBp1 Pathway? Chen Y1,2*, Neve RN4, Zheng H3, Griffin WST1,2, Barger SW1,2 and Mrak RE5 Abstract 1Department of Geriatrics, University of Arkansas for Alzheimer’s disease (AD) is the gradual loss of the cognitive function due Medical Sciences, USA to neuronal death. Currently no therapy is available to slow down, reverse 2Department of Neurobiology and Developmental or prevent the disease. Here we analyze the existing data in literature and Sciences, University of Arkansas for Medical Sciences, hypothesize that the physiological function of the Amyloid Precursor Protein USA (APP) is activating the AppBp1 pathway and this function is gradually lost during 3Huffington Center on Aging, Baylor College of Medicine, the progression of AD pathogenesis. The AppBp1 pathway, also known as the USA neddylation pathway, activates the small ubiquitin-like protein nedd8, which 4Department of Brain and Cognitive Sciences, covalently modifies and switches on Cullin ubiquitin ligases, which are essential Massachusetts Institute of Technology, USA in the turnover of cell cycle proteins. Here we discuss how APP may activate the 5Department of Pathology, University of Toledo Health AppBp1 pathway, which downregulates cell cycle markers and protects genome Sciences Campus, USA integrity. More investigation of this mechanism-driven hypothesis may provide *Corresponding author: Chen Y, Department insights into disease treatment and prevention strategies. of Geriatrics and Department of Neurobiology and Keywords: APP; Alzheimer’s disease; Ubiquitination; Neddylation; Cell Developmental Sciences, University of Arkansas for cycle Medical Sciences, Little Rock, AR 72205, USA Received: September 02, 2014; Accepted: September 29, 2014; Published: September 30, 2014 Abbreviations at least 18 proteins have been identified to bind AICD [25-27]. -
A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
Deubiquitinases in Cancer: New Functions and Therapeutic Options
Oncogene (2012) 31, 2373–2388 & 2012 Macmillan Publishers Limited All rights reserved 0950-9232/12 www.nature.com/onc REVIEW Deubiquitinases in cancer: new functions and therapeutic options JM Fraile1, V Quesada1, D Rodrı´guez, JMP Freije and C Lo´pez-Otı´n Departamento de Bioquı´mica y Biologı´a Molecular, Facultad de Medicina, Instituto Universitario de Oncologı´a, Universidad de Oviedo, Oviedo, Spain Deubiquitinases (DUBs) have fundamental roles in the Hunter, 2010). Consistent with the functional relevance ubiquitin system through their ability to specifically of proteases in these processes, alterations in their deconjugate ubiquitin from targeted proteins. The human structure or in the mechanisms controlling their genome encodes at least 98 DUBs, which can be grouped spatiotemporal expression patterns and activities cause into 6 families, reflecting the need for specificity in diverse pathologies such as arthritis, neurodegenerative their function. The activity of these enzymes affects the alterations, cardiovascular diseases and cancer. Accord- turnover rate, activation, recycling and localization ingly, many proteases are an important focus of of multiple proteins, which in turn is essential for attention for the pharmaceutical industry either as drug cell homeostasis, protein stability and a wide range of targets or as diagnostic and prognostic biomarkers signaling pathways. Consistent with this, altered DUB (Turk, 2006; Drag and Salvesen, 2010). function has been related to several diseases, including The recent availability of the genome sequence cancer. Thus, multiple DUBs have been classified as of different organisms has facilitated the identification oncogenes or tumor suppressors because of their regula- of their entire protease repertoire, which has been tory functions on the activity of other proteins involved in defined as degradome (Lopez-Otin and Overall, 2002). -
Exploring the Metastatic Role of the Inhibitor of Apoptosis BIRC6 in Breast Cancer
bioRxiv preprint doi: https://doi.org/10.1101/2021.04.08.438518; this version posted April 10, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Exploring the metastatic role of the inhibitor of apoptosis BIRC6 in Breast 2 Cancer 3 Corresponding author: Matias Luis Pidre, Pringles 3010, Lanús, Buenos Aires, Argentina, CP 1824 4 [email protected], mobile: +54 9 221 364 6836 5 AUTHORS 6 Santiago M. Gómez Bergna1; Abril Marchesini1; Leslie C. Amorós Morales1; Paula N. Arrías1; Hernán 7 G. Farina2; Víctor Romanowski1; M. Florencia Gottardo2*; Matias L. Pidre1*. 8 *Both authors equally contributed to this work. 9 AUTHOR AFFILIATIONS 10 1Instituto de Biotecnología y biología molecular (IBBM-CONICET-UNLP) 11 2Center of Molecular & Translational Oncology, Department of Science and Technology, 12 National University of Quilmes, Buenos Aires, Argentina. 13 1 bioRxiv preprint doi: https://doi.org/10.1101/2021.04.08.438518; this version posted April 10, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 14 Abstract 15 Breast cancer is the most common cancer as well as the first cause of death by cancer in 16 women worldwide. BIRC6 (baculoviral IAP repeat-containing protein 6) is a member of the 17 inhibitors of apoptosis protein family thought to play an important role in the progression or 18 chemoresistance of many cancers. The aim of the present work was to investigate the role of 19 apoptosis inhibitor BIRC6 in breast cancer, focusing particularly on its involvement in the 20 metastatic cascade.