Mouse Tmx4 Conditional Knockout Project (CRISPR/Cas9)
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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. -
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Supplementary Figure S1. Results of flow cytometry analysis, performed to estimate CD34 positivity, after immunomagnetic separation in two different experiments. As monoclonal antibody for labeling the sample, the fluorescein isothiocyanate (FITC)- conjugated mouse anti-human CD34 MoAb (Mylteni) was used. Briefly, cell samples were incubated in the presence of the indicated MoAbs, at the proper dilution, in PBS containing 5% FCS and 1% Fc receptor (FcR) blocking reagent (Miltenyi) for 30 min at 4 C. Cells were then washed twice, resuspended with PBS and analyzed by a Coulter Epics XL (Coulter Electronics Inc., Hialeah, FL, USA) flow cytometer. only use Non-commercial 1 Supplementary Table S1. Complete list of the datasets used in this study and their sources. GEO Total samples Geo selected GEO accession of used Platform Reference series in series samples samples GSM142565 GSM142566 GSM142567 GSM142568 GSE6146 HG-U133A 14 8 - GSM142569 GSM142571 GSM142572 GSM142574 GSM51391 GSM51392 GSE2666 HG-U133A 36 4 1 GSM51393 GSM51394 only GSM321583 GSE12803 HG-U133A 20 3 GSM321584 2 GSM321585 use Promyelocytes_1 Promyelocytes_2 Promyelocytes_3 Promyelocytes_4 HG-U133A 8 8 3 GSE64282 Promyelocytes_5 Promyelocytes_6 Promyelocytes_7 Promyelocytes_8 Non-commercial 2 Supplementary Table S2. Chromosomal regions up-regulated in CD34+ samples as identified by the LAP procedure with the two-class statistics coded in the PREDA R package and an FDR threshold of 0.5. Functional enrichment analysis has been performed using DAVID (http://david.abcc.ncifcrf.gov/) -
Preclinical Evaluation of Protein Disulfide Isomerase Inhibitors for the Treatment of Glioblastoma by Andrea Shergalis
Preclinical Evaluation of Protein Disulfide Isomerase Inhibitors for the Treatment of Glioblastoma By Andrea Shergalis A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Medicinal Chemistry) in the University of Michigan 2020 Doctoral Committee: Professor Nouri Neamati, Chair Professor George A. Garcia Professor Peter J. H. Scott Professor Shaomeng Wang Andrea G. Shergalis [email protected] ORCID 0000-0002-1155-1583 © Andrea Shergalis 2020 All Rights Reserved ACKNOWLEDGEMENTS So many people have been involved in bringing this project to life and making this dissertation possible. First, I want to thank my advisor, Prof. Nouri Neamati, for his guidance, encouragement, and patience. Prof. Neamati instilled an enthusiasm in me for science and drug discovery, while allowing me the space to independently explore complex biochemical problems, and I am grateful for his kind and patient mentorship. I also thank my committee members, Profs. George Garcia, Peter Scott, and Shaomeng Wang, for their patience, guidance, and support throughout my graduate career. I am thankful to them for taking time to meet with me and have thoughtful conversations about medicinal chemistry and science in general. From the Neamati lab, I would like to thank so many. First and foremost, I have to thank Shuzo Tamara for being an incredible, kind, and patient teacher and mentor. Shuzo is one of the hardest workers I know. In addition to a strong work ethic, he taught me pretty much everything I know and laid the foundation for the article published as Chapter 3 of this dissertation. The work published in this dissertation really began with the initial identification of PDI as a target by Shili Xu, and I am grateful for his advice and guidance (from afar!). -
Supplementary Table S2
1-high in cerebrotropic Gene P-value patients Definition BCHE 2.00E-04 1 Butyrylcholinesterase PLCB2 2.00E-04 -1 Phospholipase C, beta 2 SF3B1 2.00E-04 -1 Splicing factor 3b, subunit 1 BCHE 0.00022 1 Butyrylcholinesterase ZNF721 0.00028 -1 Zinc finger protein 721 GNAI1 0.00044 1 Guanine nucleotide binding protein (G protein), alpha inhibiting activity polypeptide 1 GNAI1 0.00049 1 Guanine nucleotide binding protein (G protein), alpha inhibiting activity polypeptide 1 PDE1B 0.00069 -1 Phosphodiesterase 1B, calmodulin-dependent MCOLN2 0.00085 -1 Mucolipin 2 PGCP 0.00116 1 Plasma glutamate carboxypeptidase TMX4 0.00116 1 Thioredoxin-related transmembrane protein 4 C10orf11 0.00142 1 Chromosome 10 open reading frame 11 TRIM14 0.00156 -1 Tripartite motif-containing 14 APOBEC3D 0.00173 -1 Apolipoprotein B mRNA editing enzyme, catalytic polypeptide-like 3D ANXA6 0.00185 -1 Annexin A6 NOS3 0.00209 -1 Nitric oxide synthase 3 SELI 0.00209 -1 Selenoprotein I NYNRIN 0.0023 -1 NYN domain and retroviral integrase containing ANKFY1 0.00253 -1 Ankyrin repeat and FYVE domain containing 1 APOBEC3F 0.00278 -1 Apolipoprotein B mRNA editing enzyme, catalytic polypeptide-like 3F EBI2 0.00278 -1 Epstein-Barr virus induced gene 2 ETHE1 0.00278 1 Ethylmalonic encephalopathy 1 PDE7A 0.00278 -1 Phosphodiesterase 7A HLA-DOA 0.00305 -1 Major histocompatibility complex, class II, DO alpha SOX13 0.00305 1 SRY (sex determining region Y)-box 13 ABHD2 3.34E-03 1 Abhydrolase domain containing 2 MOCS2 0.00334 1 Molybdenum cofactor synthesis 2 TTLL6 0.00365 -1 Tubulin tyrosine ligase-like family, member 6 SHANK3 0.00394 -1 SH3 and multiple ankyrin repeat domains 3 ADCY4 0.004 -1 Adenylate cyclase 4 CD3D 0.004 -1 CD3d molecule, delta (CD3-TCR complex) (CD3D), transcript variant 1, mRNA. -
Identification of Potential Key Genes and Pathway Linked with Sporadic Creutzfeldt-Jakob Disease Based on Integrated Bioinformatics Analyses
medRxiv preprint doi: https://doi.org/10.1101/2020.12.21.20248688; this version posted December 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission. Identification of potential key genes and pathway linked with sporadic Creutzfeldt-Jakob disease based on integrated bioinformatics analyses Basavaraj Vastrad1, Chanabasayya Vastrad*2 , Iranna Kotturshetti 1. Department of Biochemistry, Basaveshwar College of Pharmacy, Gadag, Karnataka 582103, India. 2. Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karanataka, India. 3. Department of Ayurveda, Rajiv Gandhi Education Society`s Ayurvedic Medical College, Ron, Karnataka 562209, India. * Chanabasayya Vastrad [email protected] Ph: +919480073398 Chanabasava Nilaya, Bharthinagar, Dharwad 580001 , Karanataka, India NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice. medRxiv preprint doi: https://doi.org/10.1101/2020.12.21.20248688; this version posted December 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission. Abstract Sporadic Creutzfeldt-Jakob disease (sCJD) is neurodegenerative disease also called prion disease linked with poor prognosis. The aim of the current study was to illuminate the underlying molecular mechanisms of sCJD. The mRNA microarray dataset GSE124571 was downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were screened. -
Mutations Suggests Both Loss-Of-Function and Gain-Of-Function Effects Morag A
© 2021. Published by The Company of Biologists Ltd | Disease Models & Mechanisms (2021) 14, dmm047225. doi:10.1242/dmm.047225 RESEARCH ARTICLE Hearing impairment due to Mir183/96/182 mutations suggests both loss-of-function and gain-of-function effects Morag A. Lewis1,2,*, Francesca Di Domenico1, Neil J. Ingham1,2, Haydn M. Prosser2 and Karen P. Steel1,2 ABSTRACT birth. However, this is not the cause of the hearing loss; even before The microRNA miR-96 is important for hearing, as point mutations in the onset of normal hearing, homozygote hair cells fail to mature humans and mice result in dominant progressive hearing loss. Mir96 both morphologically and physiologically, remaining in their is expressed in sensory cells along with Mir182 and Mir183, but the immature state, and heterozygote hair cells show a developmental roles of these closely-linked microRNAs are as yet unknown. Here, delay. miR-96 is thus thought to be responsible for coordinating we analyse mice carrying null alleles of Mir182, and of Mir183 and hair cell maturation (Chen et al., 2014; Kuhn et al., 2011). Mir96 together to investigate their roles in hearing. We found that Overexpression of the three miRNAs also results in cochlear defects Mir183/96 heterozygous mice had normal hearing and homozygotes and hearing loss (Weston et al., 2018). The complete loss of all were completely deaf with abnormal hair cell stereocilia bundles and mature miRNAs from the inner ear results in early developmental reduced numbers of inner hair cell synapses at 4 weeks of age. defects including a severely truncated cochlear duct (Friedman Mir182 knockout mice developed normal hearing then exhibited et al., 2009; Soukup et al., 2009). -
Supplementary Material Contents
Supplementary Material Contents Immune modulating proteins identified from exosomal samples.....................................................................2 Figure S1: Overlap between exosomal and soluble proteomes.................................................................................... 4 Bacterial strains:..............................................................................................................................................4 Figure S2: Variability between subjects of effects of exosomes on BL21-lux growth.................................................... 5 Figure S3: Early effects of exosomes on growth of BL21 E. coli .................................................................................... 5 Figure S4: Exosomal Lysis............................................................................................................................................ 6 Figure S5: Effect of pH on exosomal action.................................................................................................................. 7 Figure S6: Effect of exosomes on growth of UPEC (pH = 6.5) suspended in exosome-depleted urine supernatant ....... 8 Effective exosomal concentration....................................................................................................................8 Figure S7: Sample constitution for luminometry experiments..................................................................................... 8 Figure S8: Determining effective concentration ......................................................................................................... -
Vitamin K Epoxide Reductase Prefers ER Membrane- Anchored Thioredoxin-Like Redox Partners
Vitamin K epoxide reductase prefers ER membrane- anchored thioredoxin-like redox partners Sol Schulman, Belinda Wang, Weikai Li, and Tom A. Rapoport1 Howard Hughes Medical Institute and Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115 Contributed by Tom A. Rapoport, July 11, 2010 (sent for review May 17, 2010) Vitamin K epoxide reductase (VKOR) sustains blood coagulation of this reaction (9). In a first step (Fig. 1A), the reduced CXXC by reducing vitamin K epoxide to the hydroquinone, an essential motif of the Trx-like protein domain transfers electrons to two cofactor for the γ-glutamyl carboxylation of many clotting factors. conserved cysteines in a periplasmic loop of VKOR (Fig. S1); this The physiological redox partner of VKOR remains uncertain, but is loop is located between transmembrane (TM) segments 1 and 2 likely a thioredoxin-like protein. Here, we demonstrate that human of the four-TM bundle surrounding the quinone. The reaction VKOR has the same membrane topology as the enzyme from proceeds through a mixed disulfide bridge intermediate, in which Synechococcus sp., whose crystal structure was recently deter- the N-terminal cysteine in the CXXC motif of the Trx-like mined. Our results suggest that, during the redox reaction, domain is linked with the N-terminal loop cysteine in VKOR Cys43 in a luminal loop of human VKOR forms a transient disulfide (Fig. 1A; boxed intermediate). This mixed disulfide bridge is sub- bond with a thioredoxin (Trx)-like protein located in the lumen of sequently resolved by attack of the C-terminal cysteine in the the endoplasmic reticulum (ER). -
Protein Disulfide–Isomerase, a Folding Catalyst and a Redox-Regulated
Free Radical Biology and Medicine 83 (2015) 305–313 Contents lists available at ScienceDirect Free Radical Biology and Medicine journal homepage: www.elsevier.com/locate/freeradbiomed Protein disulfide–isomerase, a folding catalyst and a redox-regulated chaperone Lei Wang 1, Xi Wang 1, Chih-chen Wang n National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China article info abstract Article history: Protein disulfide–isomerase (PDI) was the first protein-folding catalyst to be characterized, half a century Received 20 November 2014 ago. It plays critical roles in a variety of physiological events by displaying oxidoreductase and redox- Received in revised form regulated chaperone activities. This review provides a brief history of the identification of PDI as both an 4 February 2015 enzyme and a molecular chaperone and of the recent advances in studies on the structure and dynamics Accepted 7 February 2015 of PDI, the substrate binding and release, and the cooperation with its partners to catalyze oxidative Available online 17 February 2015 protein folding and maintain ER redox homeostasis. In this review, we highlight the structural features of Keywords: PDI, including the high interdomain flexibility, the multiple binding sites, the two synergic active sites, Chaperone and the redox-dependent conformational changes. Endoplasmic reticulum & 2015 Elsevier Inc. All rights reserved. Oxidative protein folding Protein conformation Protein disulfide–isomerise Redox regulation Introduction normal biological functions” [4]. The concept of chaperone- assisted protein folding/unfolding/assembly/disassembly, i.e., the Remarkable early work by Hsien Wu [1] and others established “assisted self-assembly” principle, expands the protein folding the first theory of protein denaturation. -
A Concise Review of Human Brain Methylome During Aging and Neurodegenerative Diseases
BMB Rep. 2019; 52(10): 577-588 BMB www.bmbreports.org Reports Invited Mini Review A concise review of human brain methylome during aging and neurodegenerative diseases Renuka Prasad G & Eek-hoon Jho* Department of Life Science, University of Seoul, Seoul 02504, Korea DNA methylation at CpG sites is an essential epigenetic mark position of carbon in the cytosine within CG dinucleotides that regulates gene expression during mammalian development with resultant formation of 5mC. The symmetrical CG and diseases. Methylome refers to the entire set of methylation dinucleotides are also called as CpG, due to the presence of modifications present in the whole genome. Over the last phosphodiester bond between cytosine and guanine. The several years, an increasing number of reports on brain DNA human genome contains short lengths of DNA (∼1,000 bp) in methylome reported the association between aberrant which CpG is commonly located (∼1 per 10 bp) in methylation and the abnormalities in the expression of critical unmethylated form and referred as CpG islands; they genes known to have critical roles during aging and neuro- commonly overlap with the transcription start sites (TSSs) of degenerative diseases. Consequently, the role of methylation genes. In human DNA, 5mC is present in approximately 1.5% in understanding neurodegenerative diseases has been under of the whole genome and CpG base pairs are 5-fold enriched focus. This review outlines the current knowledge of the human in CpG islands than other regions of the genome (3, 4). CpG brain DNA methylomes during aging and neurodegenerative islands have the following salient features. In the human diseases. -
TMX2) Regulates the Ran Protein Gradient and Importin-Β-Dependent Nuclear Cargo Transport Ami Oguro1,2 & Susumu Imaoka1
www.nature.com/scientificreports OPEN Thioredoxin-related transmembrane protein 2 (TMX2) regulates the Ran protein gradient and importin-β-dependent nuclear cargo transport Ami Oguro1,2 & Susumu Imaoka1 TMX2 is a thioredoxin family protein, but its functions have not been clarifed. To elucidate the function of TMX2, we explored TMX2-interacting proteins by LC-MS. As a result, importin-β, Ran GTPase (Ran), RanGAP, and RanBP2 were identifed. Importin-β is an adaptor protein which imports cargoes from cytosol to the nucleus, and is exported into the cytosol by interaction with RanGTP. At the cytoplasmic nuclear pore, RanGAP and RanBP2 facilitate hydrolysis of RanGTP to RanGDP and the disassembly of the Ran-importin-β complex, which allows the recycling of importin-β and reentry of Ran into the nucleus. Despite its interaction of TMX2 with importin-β, we showed that TMX2 is not a transport cargo. We found that TMX2 localizes in the outer nuclear membrane with its N-terminus and C-terminus facing the cytoplasm, where it co-localizes with importin-β and Ran. Ran is predominantly distributed in the nucleus, but TMX2 knockdown disrupted the nucleocytoplasmic Ran gradient, and the cysteine 112 residue of Ran was important in its regulation by TMX2. In addition, knockdown of TMX2 suppressed importin-β-mediated transport of protein. These results suggest that TMX2 works as a regulator of protein nuclear transport, and that TMX2 facilitates the nucleocytoplasmic Ran cycle by interaction with nuclear pore proteins. Tioredoxin-related transmembrane proteins (TMXs) are protein disulfde isomerase (PDI) family members and possess a transmembrane region. -
TMX1 Preferentially Acts Upon Transmembrane Polypeptides
Research Collection Doctoral Thesis In vivo characterization of TMX1: TMX1 preferentially acts upon transmembrane polypeptides Author(s): Brambilla Pisoni, Giorgia Publication Date: 2016 Permanent Link: https://doi.org/10.3929/ethz-a-010665921 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 DISS. ETH NO. 23381 IN VIVO CHARACTERIZATION OF TMX1: TMX1 PREFERENTIALLY ACTS UPON TRANSMEMBRANE POLYPEPTIDES A thesis submitted to attain the degree of DOCTOR OF SCIENCES of ETH ZURICH (Dr. sc. ETH Zurich) presented by GIORGIA BRAMBILLA PISONI Laurea Magistrale in Biologia Molecolare della Cellula, Università degli Studi di Milano born on 08.02.1986 citizen of Italy accepted on the recommendation of Markus Aebi Maurizio Molinari Paola Picotti Roberto Sitia 2016 Parts of this thesis have been published in the following articles: Noack, J., Brambilla Pisoni, G. & Molinari, M. Proteostasis: bad news and good news from the endoplasmic reticulum. Swiss medical weekly 144, w14001, doi:10.4414/smw.2014.14001 (2014). Tannous, A., Brambilla Pisoni, G., Hebert, D. N. & Molinari, M. N-linked sugar-regulated protein folding and quality control in the ER. Seminars in Cell & Developmental Biology 41, 79-89, doi:10.1016/j.semcdb.2014.12.001 (2015). Brambilla Pisoni, G., Ruddock, L. W., Bulleid, N. J. & Molinari, M. Division of labor among oxidoreductases: TMX1 preferentially acts on transmembrane polypeptides. Mol Biol Cell 26(19):3390-400. doi: 10.1091/mbc.E15-05-0321 (2015). Brambilla Pisoni, G. & Molinari, M. Five Questions (with their Answers) on ER-associated Degradation.