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Thesis Template
Functional and Structural Characterization Reveals Novel FBXW7 Biology by Tonny Chao Huang A thesis submitted in conformity with the requirements for the degree of Master of Science Department of Medical Biophysics University of Toronto © Copyright by Tonny Chao Huang 2018 Functional and Structural Characterization Reveals Novel FBXW7 Biology Tonny Chao Huang Master of Science Department of Medical Biophysics University of Toronto 2018 Abstract This thesis aims to examine aspects of FBXW7 biology, a protein that is frequently mutated in a variety of cancers. The first part of this thesis describes the characterization of FBXW7 isoform and mutant substrate profiles using a proximity-dependent biotinylation assay. Isoform-specific substrates were validated, revealing the involvement of FBXW7 in the regulation of several protein complexes. Characterization of FBXW7 mutants also revealed site- and residue-specific consequences on the binding of substrates and, surprisingly, possible neo-substrates. In the second part of this thesis, we utilize high-throughput peptide binding assays and statistical modelling to discover novel features of the FBXW7-binding phosphodegron. In contrast to the canonical motif, a possible preference of FBXW7 for arginine residues at the +4 position was discovered. I then attempted to validate this feature in vivo and in vitro on a novel substrate discovered through BioID. ii Acknowledgments The past three years in the Department of Medical Biophysics have defied expectations. I not only had the opportunity to conduct my own independent research, but also to work with distinguished collaborators and to explore exciting complementary fields. I experienced the freedom to guide my own academic development, as well as to pursue my extracurricular interests. -
Supplementary Materials: Evaluation of Cytotoxicity and Α-Glucosidase Inhibitory Activity of Amide and Polyamino-Derivatives of Lupane Triterpenoids
Supplementary Materials: Evaluation of cytotoxicity and α-glucosidase inhibitory activity of amide and polyamino-derivatives of lupane triterpenoids Oxana B. Kazakova1*, Gul'nara V. Giniyatullina1, Akhat G. Mustafin1, Denis A. Babkov2, Elena V. Sokolova2, Alexander A. Spasov2* 1Ufa Institute of Chemistry of the Ufa Federal Research Centre of the Russian Academy of Sciences, 71, pr. Oktyabrya, 450054 Ufa, Russian Federation 2Scientific Center for Innovative Drugs, Volgograd State Medical University, Novorossiyskaya st. 39, Volgograd 400087, Russian Federation Correspondence Prof. Dr. Oxana B. Kazakova Ufa Institute of Chemistry of the Ufa Federal Research Centre of the Russian Academy of Sciences 71 Prospeсt Oktyabrya Ufa, 450054 Russian Federation E-mail: [email protected] Prof. Dr. Alexander A. Spasov Scientific Center for Innovative Drugs of the Volgograd State Medical University 39 Novorossiyskaya st. Volgograd, 400087 Russian Federation E-mail: [email protected] Figure S1. 1H and 13C of compound 2. H NH N H O H O H 2 2 Figure S2. 1H and 13C of compound 4. NH2 O H O H CH3 O O H H3C O H 4 3 Figure S3. Anticancer screening data of compound 2 at single dose assay 4 Figure S4. Anticancer screening data of compound 7 at single dose assay 5 Figure S5. Anticancer screening data of compound 8 at single dose assay 6 Figure S6. Anticancer screening data of compound 9 at single dose assay 7 Figure S7. Anticancer screening data of compound 12 at single dose assay 8 Figure S8. Anticancer screening data of compound 13 at single dose assay 9 Figure S9. Anticancer screening data of compound 14 at single dose assay 10 Figure S10. -
Chylomicron Retention Disease)
Molecular analysis and intestinal expression of SAR1 genes and proteins in Anderson's disease (Chylomicron retention disease). Amandine Georges, Jessica Bonneau, Dominique Bonnefont-Rousselot, Jacqueline Champigneulle, Jean Rab`es,Marianne Abifadel, Thomas Aparicio, Jean Guenedet, Eric Bruckert, Catherine Boileau, et al. To cite this version: Amandine Georges, Jessica Bonneau, Dominique Bonnefont-Rousselot, Jacqueline Champigneulle, Jean Rab`es,et al.. Molecular analysis and intestinal expression of SAR1 genes and proteins in Anderson's disease (Chylomicron retention disease).. Orphanet Journal of Rare Diseases, BioMed Central, 2011, 6 (1), pp.1. <10.1186/1750-1172-6-1>. <inserm-00663694> HAL Id: inserm-00663694 http://www.hal.inserm.fr/inserm-00663694 Submitted on 27 Jan 2012 HAL is a multi-disciplinary open access L'archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destin´eeau d´ep^otet `ala diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publi´esou non, lished or not. The documents may come from ´emanant des ´etablissements d'enseignement et de teaching and research institutions in France or recherche fran¸caisou ´etrangers,des laboratoires abroad, or from public or private research centers. publics ou priv´es. Georges et al. Orphanet Journal of Rare Diseases 2011, 6:1 http://www.ojrd.com/content/6/1/1 RESEARCH Open Access Molecular analysis and intestinal expression of SAR1 genes and proteins in Anderson’s disease (Chylomicron retention disease) Amandine Georges1, Jessica Bonneau2, Dominique Bonnefont-Rousselot3, Jacqueline Champigneulle4, Jean P Rabès2,8, Marianne Abifadel2, Thomas Aparicio5, Jean C Guenedet4,9, Eric Bruckert6, Catherine Boileau2,8, Alain Morali1, Mathilde Varret2, Lawrence P Aggerbeck7, Marie E Samson-Bouma2* Abstract Background: Anderson’s disease (AD) or chylomicron retention disease (CMRD) is a very rare hereditary lipid malabsorption syndrome. -
Human Periprostatic Adipose Tissue: Secretome from Patients With
CANCER GENOMICS & PROTEOMICS 16 : 29-58 (2019) doi:10.21873/cgp.20110 Human Periprostatic Adipose Tissue: Secretome from Patients With Prostate Cancer or Benign Prostate Hyperplasia PAULA ALEJANDRA SACCA 1, OSVALDO NÉSTOR MAZZA 2, CARLOS SCORTICATI 2, GONZALO VITAGLIANO 3, GABRIEL CASAS 4 and JUAN CARLOS CALVO 1,5 1Institute of Biology and Experimental Medicine (IBYME), CONICET, Buenos Aires, Argentina; 2Department of Urology, School of Medicine, University of Buenos Aires, Clínical Hospital “José de San Martín”, Buenos Aires, Argentina; 3Department of Urology, Deutsches Hospital, Buenos Aires, Argentina; 4Department of Pathology, Deutsches Hospital, Buenos Aires, Argentina; 5Department of Biological Chemistry, School of Exact and Natural Sciences, University of Buenos Aires, Buenos Aires, Argentina Abstract. Background/Aim: Periprostatic adipose tissue Prostate cancer (PCa) is the second most common cancer in (PPAT) directs tumour behaviour. Microenvironment secretome men worldwide. While most men have indolent disease, provides information related to its biology. This study was which can be treated properly, the problem consists in performed to identify secreted proteins by PPAT, from both reliably distinguishing between indolent and aggressive prostate cancer and benign prostate hyperplasia (BPH) disease. Evidence shows that the microenvironment affects patients. Patients and Methods: Liquid chromatography-mass tumour behavior. spectrometry-based proteomic analysis was performed in Adipose tissue microenvironment is now known to direct PPAT-conditioned media (CM) from patients with prostate tumour growth, invasion and metastases (1, 2). Adipose cancer (CMs-T) (stage T3: CM-T3, stage T2: CM-T2) or tissue is adjacent to the prostate gland and the site of benign disease (CM-BPH). Results: The highest number and invasion of PCa. -
Original Article Plasma CAMK2A Predicts Chemotherapy Resistance in Metastatic Triple Negative Breast Cancer
Int J Clin Exp Pathol 2018;11(2):650-663 www.ijcep.com /ISSN:1936-2625/IJCEP0069558 Original Article Plasma CAMK2A predicts chemotherapy resistance in metastatic triple negative breast cancer Bin Shao1*, Zhihua Tian2*, Huirong Ding2*, Qingsong Wang3, Guohong Song1, Lijun Di1, Hong Zhang2, Huiping Li1, Jing Shen2 Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), 1Department of Medical Oncology, 2Central Laboratory, Peking University Cancer Hospital & Institute, Beijing, P. R. China; 3State Key Laboratory of Protein and Plant Gene Research, College of Life Sciences, Peking University, Beijing, P. R. China. *Equal contributors. Received November 21, 2017; Accepted December 15, 2017; Epub February 1, 2018; Published February 15, 2018 Abstract: Background: Chemotherapy resistance is a great obstacle in effective treatment for metastatic triple nega- tive breast cancer (TNBC). The ability to predict chemotherapy response would allow chemotherapy administration to be directed toward only those patients who would benefit, thus maximizing treatment efficiency. Differentially expressed plasma proteins may serve as putative biomarkers for predicting chemotherapy outcomes. Patients and methods: In this study, 26 plasma samples (10 samples with partial response (S) and 16 samples with progression disease (R)) from patients with metastatic TNBC were measured by Tandem Mass Tag (TMT)-based proteomics analysis to identify differentially expressed proteins between the S and R group. Potential proteinswere validated with enzyme-linked immunosorbent assay (ELISA) in another 67 plasma samples. Results: A total of 320 plasma proteins were identified, and statistical analysis showed that 108 proteins were significantly dysregulated between R and S groups in the screening stage. Bioinformatics revealed relevant pathways and regulatory networks of the differentially expressed proteins. -
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. -
Inactivation of Fbxw7 Impairs Dsrna Sensing and Confers Resistance to PD-1 Blockade
Published OnlineFirst May 5, 2020; DOI: 10.1158/2159-8290.CD-19-1416 RESEARCH ARTICLE Inactivation of Fbxw7 Impairs dsRNA Sensing and Confers Resistance to PD-1 Blockade Cécile Gstalder1,2, David Liu1,3, Diana Miao1, Bart Lutterbach1,2, Alexander L. DeVine1,2, Chenyu Lin4, Megha Shettigar1,2, Priya Pancholi1,2, Elizabeth I. Buchbinder1, Scott L. Carter5,6, Michael P. Manos1, Vanesa Rojas-Rudilla7, Ryan Brennick1, Evisa Gjini8, Pei-Hsuan Chen8, Ana Lako8, Scott Rodig8,9, Charles H. Yoon10, Gordon J. Freeman1, David A. Barbie1, F. Stephen Hodi1, Wayne Miles4, Eliezer M. Van Allen1, and Rizwan Haq1,2 Downloaded from cancerdiscovery.aacrjournals.org on September 26, 2021. © 2020 American Association for Cancer Research. Published OnlineFirst May 5, 2020; DOI: 10.1158/2159-8290.CD-19-1416 ABSTRACT The molecular mechanisms leading to resistance to PD-1 blockade are largely unknown. Here, we characterize tumor biopsies from a patient with melanoma who displayed heterogeneous responses to anti–PD-1 therapy. We observe that a resistant tumor exhibited a loss-of-function mutation in the tumor suppressor gene FBXW7, whereas a sensitive tumor from the same patient did not. Consistent with a functional role in immunotherapy response, inactivation of Fbxw7 in murine tumor cell lines caused resistance to anti–PD-1 in immunocompetent animals. Loss of Fbxw7 was associated with altered immune microenvironment, decreased tumor-intrinsic expression of the double-stranded RNA (dsRNA) sensors MDA5 and RIG1, and diminished induction of type I IFN and MHC-I expression. In contrast, restoration of dsRNA sensing in Fbxw7-deficient cells was suffi- cient to sensitize them to anti–PD-1. -
Supplemental Tables4.Pdf
Yano_Supplemental_Table_S4 Gene ontology – Biological process 1 of 9 Fold List Pop Pop GO Term Count % PValue Bonferroni Benjamini FDR Genes Total Hits Total Enrichment DLC1, CADM1, NELL2, CLSTN1, PCDHGA8, CTNNB1, NRCAM, APP, CNTNAP2, FERT2, RAPGEF1, PTPRM, MPDZ, SDK1, PCDH9, PTPRS, VEZT, NRXN1, MYH9, GO:0007155~cell CTNNA2, NCAM1, NCAM2, DDR1, LSAMP, CNTN1, 50 5.61 2.14E-08 510 311 7436 2.34 4.50E-05 4.50E-05 3.70E-05 adhesion ROR2, VCAN, DST, LIMS1, TNC, ASTN1, CTNND2, CTNND1, CDH2, NEO1, CDH4, CD24A, FAT3, PVRL3, TRO, TTYH1, MLLT4, LPP, NLGN1, PCDH19, LAMA1, ITGA9, CDH13, CDON, PSPC1 DLC1, CADM1, NELL2, CLSTN1, PCDHGA8, CTNNB1, NRCAM, APP, CNTNAP2, FERT2, RAPGEF1, PTPRM, MPDZ, SDK1, PCDH9, PTPRS, VEZT, NRXN1, MYH9, GO:0022610~biological CTNNA2, NCAM1, NCAM2, DDR1, LSAMP, CNTN1, 50 5.61 2.14E-08 510 311 7436 2.34 4.50E-05 4.50E-05 3.70E-05 adhesion ROR2, VCAN, DST, LIMS1, TNC, ASTN1, CTNND2, CTNND1, CDH2, NEO1, CDH4, CD24A, FAT3, PVRL3, TRO, TTYH1, MLLT4, LPP, NLGN1, PCDH19, LAMA1, ITGA9, CDH13, CDON, PSPC1 DCC, ENAH, PLXNA2, CAPZA2, ATP5B, ASTN1, PAX6, ZEB2, CDH2, CDH4, GLI3, CD24A, EPHB1, NRCAM, GO:0006928~cell CTTNBP2, EDNRB, APP, PTK2, ETV1, CLASP2, STRBP, 36 4.04 3.46E-07 510 205 7436 2.56 7.28E-04 3.64E-04 5.98E-04 motion NRG1, DCLK1, PLAT, SGPL1, TGFBR1, EVL, MYH9, YWHAE, NCKAP1, CTNNA2, SEMA6A, EPHA4, NDEL1, FYN, LRP6 PLXNA2, ADCY5, PAX6, GLI3, CTNNB1, LPHN2, EDNRB, LPHN3, APP, CSNK2A1, GPR45, NRG1, RAPGEF1, WWOX, SGPL1, TLE4, SPEN, NCAM1, DDR1, GRB10, GRM3, GNAQ, HIPK1, GNB1, HIPK2, PYGO1, GO:0007166~cell RNF138, ROR2, CNTN1, -
Crystal Structure of the Eukaryotic 60S Ribosomal Subunit in Complex with Initiation Factor 6
Research Collection Doctoral Thesis Crystal structure of the eukaryotic 60S ribosomal subunit in complex with initiation factor 6 Author(s): Voigts-Hoffmann, Felix Publication Date: 2012 Permanent Link: https://doi.org/10.3929/ethz-a-007303759 Rights / License: In Copyright - Non-Commercial Use Permitted This page was generated automatically upon download from the ETH Zurich Research Collection. For more information please consult the Terms of use. ETH Library ETH Zurich Dissertation No. 20189 Crystal Structure of the Eukaryotic 60S Ribosomal Subunit in Complex with Initiation Factor 6 A dissertation submitted to ETH ZÜRICH for the degree of Doctor of Sciences (Dr. sc. ETH Zurich) presented by Felix Voigts-Hoffmann MSc Molecular Biotechnology, Universität Heidelberg born April 11, 1981 citizen of Göttingen, Germany accepted on recommendation of Prof. Dr. Nenad Ban (Examiner) Prof. Dr. Raimund Dutzler (Co-examiner) Prof. Dr. Rudolf Glockshuber (Co-examiner) 2012 blank page ii Summary Ribosomes are large complexes of several ribosomal RNAs and dozens of proteins, which catalyze the synthesis of proteins according to the sequence encoded in messenger RNA. Over the last decade, prokaryotic ribosome structures have provided the basis for a mechanistic understanding of protein synthesis. While the core functional centers are conserved in all kingdoms, eukaryotic ribosomes are much larger than archaeal or bacterial ribosomes. Eukaryotic ribosomal rRNA and proteins contain extensions or insertions to the prokaryotic core, and many eukaryotic proteins do not have prokaryotic counterparts. Furthermore, translation regulation and ribosome biogenesis is much more complex in eukaryotes, and defects in components of the translation machinery are associated with human diseases and cancer. -
Transcriptome Sequencing and Genome-Wide Association Analyses Reveal Lysosomal Function and Actin Cytoskeleton Remodeling in Schizophrenia and Bipolar Disorder
Molecular Psychiatry (2015) 20, 563–572 © 2015 Macmillan Publishers Limited All rights reserved 1359-4184/15 www.nature.com/mp ORIGINAL ARTICLE Transcriptome sequencing and genome-wide association analyses reveal lysosomal function and actin cytoskeleton remodeling in schizophrenia and bipolar disorder Z Zhao1,6,JXu2,6, J Chen3,6, S Kim4, M Reimers3, S-A Bacanu3,HYu1, C Liu5, J Sun1, Q Wang1, P Jia1,FXu2, Y Zhang2, KS Kendler3, Z Peng2 and X Chen3 Schizophrenia (SCZ) and bipolar disorder (BPD) are severe mental disorders with high heritability. Clinicians have long noticed the similarities of clinic symptoms between these disorders. In recent years, accumulating evidence indicates some shared genetic liabilities. However, what is shared remains elusive. In this study, we conducted whole transcriptome analysis of post-mortem brain tissues (cingulate cortex) from SCZ, BPD and control subjects, and identified differentially expressed genes in these disorders. We found 105 and 153 genes differentially expressed in SCZ and BPD, respectively. By comparing the t-test scores, we found that many of the genes differentially expressed in SCZ and BPD are concordant in their expression level (q ⩽ 0.01, 53 genes; q ⩽ 0.05, 213 genes; q ⩽ 0.1, 885 genes). Using genome-wide association data from the Psychiatric Genomics Consortium, we found that these differentially and concordantly expressed genes were enriched in association signals for both SCZ (Po10 − 7) and BPD (P = 0.029). To our knowledge, this is the first time that a substantially large number of genes show concordant expression and association for both SCZ and BPD. Pathway analyses of these genes indicated that they are involved in the lysosome, Fc gamma receptor-mediated phagocytosis, regulation of actin cytoskeleton pathways, along with several cancer pathways. -
Genome-Wide Screen for Genes Involved in Edna Release During
Genome-wide screen for genes involved in eDNA PNAS PLUS release during biofilm formation by Staphylococcus aureus Alicia S. DeFrancescoa,1, Nadezda Masloboevaa,1, Adnan K. Syeda, Aaron DeLougherya,b, Niels Bradshawa, Gene-Wei Lib, Michael S. Gilmorec,d, Suzanne Walkerd, and Richard Losicka,2 aDepartment of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138; bDepartment of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142; cDepartment of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA 02114; and dDepartment of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115 Edited by Ralph R. Isberg, Howard Hughes Medical Institute, Tufts University School of Medicine, Boston, MA, and approved June 13, 2017 (received for review March 20, 2017) Staphylococcus aureus is a leading cause of both nosocomial and We have shown that the major components of the biofilm community-acquired infection. Biofilm formation at the site of infec- matrix of HG003 are proteins and eDNA, which associate with tion reduces antimicrobial susceptibility and can lead to chronic infec- the biofilm in a manner that depends on a drop in pH during tion. During biofilm formation, a subset of cells liberate cytoplasmic growth in the presence of glucose (5, 6). Many of these proteins proteins and DNA, which are repurposed to form the extracellular are cytoplasmic in origin and are thus moonlighting in their matrix that binds the remaining cells together in large clusters. Using second role as components of the biofilm matrix (5). These a strain that forms robust biofilms in vitro during growth under glu- moonlighting proteins do not depend on eDNA to remain as- cose supplementation, we carried out a genome-wide screen for genes sociated with cells. -
Mutational Landscape Differences Between Young-Onset and Older-Onset Breast Cancer Patients Nicole E
Mealey et al. BMC Cancer (2020) 20:212 https://doi.org/10.1186/s12885-020-6684-z RESEARCH ARTICLE Open Access Mutational landscape differences between young-onset and older-onset breast cancer patients Nicole E. Mealey1 , Dylan E. O’Sullivan2 , Joy Pader3 , Yibing Ruan3 , Edwin Wang4 , May Lynn Quan1,5,6 and Darren R. Brenner1,3,5* Abstract Background: The incidence of breast cancer among young women (aged ≤40 years) has increased in North America and Europe. Fewer than 10% of cases among young women are attributable to inherited BRCA1 or BRCA2 mutations, suggesting an important role for somatic mutations. This study investigated genomic differences between young- and older-onset breast tumours. Methods: In this study we characterized the mutational landscape of 89 young-onset breast tumours (≤40 years) and examined differences with 949 older-onset tumours (> 40 years) using data from The Cancer Genome Atlas. We examined mutated genes, mutational load, and types of mutations. We used complementary R packages “deconstructSigs” and “SomaticSignatures” to extract mutational signatures. A recursively partitioned mixture model was used to identify whether combinations of mutational signatures were related to age of onset. Results: Older patients had a higher proportion of mutations in PIK3CA, CDH1, and MAP3K1 genes, while young- onset patients had a higher proportion of mutations in GATA3 and CTNNB1. Mutational load was lower for young- onset tumours, and a higher proportion of these mutations were C > A mutations, but a lower proportion were C > T mutations compared to older-onset tumours. The most common mutational signatures identified in both age groups were signatures 1 and 3 from the COSMIC database.