Using Single Nucleotide Variations in Single-Cell RNA-Seq to Identify Subpopulations and Genotype-Phenotype Linkage
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FINALIST DIRECTORY VIRTUAL REGENERON ISEF 2020 Animal Sciences
FINALIST DIRECTORY VIRTUAL REGENERON ISEF 2020 Animal Sciences ANIM001 Dispersal and Behavior Patterns between ANIM010 The Study of Anasa tristis Elimination Using Dispersing Wolves and Pack Wolves in Northern Household Products Minnesota Carter McGaha, 15, Freshman, Vici Public Schools, Marcy Ferriere, 18, Senior, Cloquet, Senior High Vici, OK School, Cloquet, MN ANIM011 The Ketogenic Diet Ameliorates the Effects of ANIM002 Antsel and Gretal Caffeine in Seizure Susceptible Drosophila Avneesh Saravanapavan, 14, Freshman, West Port melanogaster High School, Ocala, FL Katherine St George, 17, Senior, John F. Kennedy High School, Bellmore, NY ANIM003 Year Three: Evaluating the Effects of Bifidobacterium infantis Compared with ANIM012 Development and Application of Attractants and Fumagillin on the Honeybee Gut Parasite Controlled-release Microcapsules for the Nosema ceranae and Overall Gut Microbiota Control of an Important Economic Pest: Flower # Varun Madan, 15, Sophomore, Lake Highland Thrips, Frankliniella intonsa Preparatory School, Orlando, FL Chunyi Wei, 16, Sophomore, The Affiliated High School of Fujian Normal University, Fuzhou, ANIM004T Using Protease-activated Receptors (PARs) in Fujian, China Caenorhabditis elegans as a Potential Therapeutic Agent for Inflammatory Diseases ANIM013 The Impacts of Brandt's Voles (Lasiopodomys Swetha Velayutham, 15, Sophomore, brandtii) on the Growth of Plantations Vyshnavi Poruri, 15, Sophomore, Surrounding their Patched Burrow Units Plano East, Senior High School, Plano, TX Meiqi Sun, 18, Senior, -
Single-Cell Transcriptome Analysis As a Promising Tool to Study Pluripotent Stem Cell Reprogramming
International Journal of Molecular Sciences Review Single-Cell Transcriptome Analysis as a Promising Tool to Study Pluripotent Stem Cell Reprogramming Hyun Kyu Kim †, Tae Won Ha † and Man Ryul Lee * Soonchunhyang Institute of Medi-Bio Science (SIMS), Soon Chun Hyang University, Cheonan 31151, Korea; [email protected] (H.K.K.); [email protected] (T.W.H.) * Correspondence: [email protected]; Tel.: +81-41-413-5013 † These authors equally contributed to this work. Abstract: Cells are the basic units of all organisms and are involved in all vital activities, such as proliferation, differentiation, senescence, and apoptosis. A human body consists of more than 30 trillion cells generated through repeated division and differentiation from a single-cell fertilized egg in a highly organized programmatic fashion. Since the recent formation of the Human Cell Atlas consortium, establishing the Human Cell Atlas at the single-cell level has been an ongoing activity with the goal of understanding the mechanisms underlying diseases and vital cellular activities at the level of the single cell. In particular, transcriptome analysis of embryonic stem cells at the single-cell level is of great importance, as these cells are responsible for determining cell fate. Here, we review single-cell analysis techniques that have been actively used in recent years, introduce the single-cell analysis studies currently in progress in pluripotent stem cells and reprogramming, and forecast future studies. Keywords: single-cell mRNA sequencing; pluripotent stem cell; somatic cell reprogramming; in- duced pluripotent stem cell; heterogeneity Citation: Kim, H.K.; Ha, T.W.; Lee, M.R. Single-Cell Transcriptome Analysis as a Promising Tool to Study Pluripotent Stem Cell Reprogramming. -
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. -
PBMC Fixation and Processing for Chromium Single-Cell RNA Sequencing
bioRxiv preprint doi: https://doi.org/10.1101/315267; this version posted May 5, 2018. The copyright holder has placed this preprint (which was not certified by peer review) in the Public Domain. It is no longer restricted by copyright. Anyone can legally share, reuse, remix, or adapt this material for any purpose without crediting the original authors. PBMC Fixation and Processing for Chromium Single-Cell RNA Sequencing Jinguo Chen1, Foo Cheung1, Rongye Shi1,2, Huizhi Zhou1,2, Wenrui Lu1,3, CHI Consortium1 1Center for Human Immunology, Autoimmunity and Inflammation (CHI), National Institutes of Health 2Department of Transfusion Medicine, Clinical Center, National Institutes of Health 3Fujian Provincial Hospital, Fuzhou, China CHI Consortium (Julián Candia1, Yuri Kotliarov1, Katie R. Stagliano1 and John S. Tsang1,2) 1 CHI 2 Systems Genomics and Bioinformatics Unit, NIAID Abstract Background: Interest in single-cell transcriptomic analysis is growing rapidly, especially for profiling rare or heterogeneous populations of cells. In almost all reported works, investigators have used live cells which introduces cell stress during preparation and hinders complex study designs. Recent studies have indicated that cells fixed by denaturing fixative can be used in single-cell sequencing. But they did not work with most primary cells including immune cells. Methods: The methanol-fixation and new processing method was introduced to preserve PBMCs for single-cell RNA sequencing (scRNA-Seq) analysis on 10X Chromium platform. Results: When methanol fixation protocol was broken up into three steps: fixation, storage and rehydration, we found that PBMC RNA was degraded during rehydration with PBS, not at cell fixation and up to three-month storage steps. -
At Elevated Temperatures, Heat Shock Protein Genes Show Altered Ratios Of
EXPERIMENTAL AND THERAPEUTIC MEDICINE 22: 900, 2021 At elevated temperatures, heat shock protein genes show altered ratios of different RNAs and expression of new RNAs, including several novel HSPB1 mRNAs encoding HSP27 protein isoforms XIA GAO1,2, KEYIN ZHANG1,2, HAIYAN ZHOU3, LUCAS ZELLMER4, CHENGFU YUAN5, HAI HUANG6 and DEZHONG JOSHUA LIAO2,6 1Department of Pathology, Guizhou Medical University Hospital; 2Key Lab of Endemic and Ethnic Diseases of The Ministry of Education of China in Guizhou Medical University; 3Clinical Research Center, Guizhou Medical University Hospital, Guiyang, Guizhou 550004, P.R. China; 4Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA; 5Department of Biochemistry, China Three Gorges University, Yichang, Hubei 443002; 6Center for Clinical Laboratories, Guizhou Medical University Hospital, Guiyang, Guizhou 550004, P.R. China Received December 16, 2020; Accepted May 10, 2021 DOI: 10.3892/etm.2021.10332 Abstract. Heat shock proteins (HSP) serve as chaperones genes may engender multiple protein isoforms. These results to maintain the physiological conformation and function of collectively suggested that, besides increasing their expres‑ numerous cellular proteins when the ambient temperature is sion, certain HSP and associated genes also use alternative increased. To determine how accurate the general assumption transcription start sites to produce multiple RNA transcripts that HSP gene expression is increased in febrile situations is, and use alternative splicing of a transcript to produce multiple the RNA levels of the HSF1 (heat shock transcription factor 1) mature RNAs, as important mechanisms for responding to an gene and certain HSP genes were determined in three cell increased ambient temperature in vitro. lines cultured at 37˚C or 39˚C for three days. -
Shapes TCR Usage in Celiac Disease Posttranslational Modification of Gluten
Posttranslational Modification of Gluten Shapes TCR Usage in Celiac Disease Shuo-Wang Qiao, Melinda Ráki, Kristin S. Gunnarsen, Geir-Åge Løset, Knut E. A. Lundin, Inger Sandlie and This information is current as Ludvig M. Sollid of September 29, 2021. J Immunol 2011; 187:3064-3071; Prepublished online 17 August 2011; doi: 10.4049/jimmunol.1101526 http://www.jimmunol.org/content/187/6/3064 Downloaded from Supplementary http://www.jimmunol.org/content/suppl/2011/08/18/jimmunol.110152 Material 6.DC1 http://www.jimmunol.org/ References This article cites 31 articles, 12 of which you can access for free at: http://www.jimmunol.org/content/187/6/3064.full#ref-list-1 Why The JI? Submit online. • Rapid Reviews! 30 days* from submission to initial decision by guest on September 29, 2021 • No Triage! Every submission reviewed by practicing scientists • Fast Publication! 4 weeks from acceptance to publication *average Subscription Information about subscribing to The Journal of Immunology is online at: http://jimmunol.org/subscription Permissions Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html Email Alerts Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts The Journal of Immunology is published twice each month by The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2011 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. The Journal of Immunology Posttranslational Modification of Gluten Shapes TCR Usage in Celiac Disease Shuo-Wang Qiao,* Melinda Ra´ki,†,1 Kristin S. -
Single-Cell Sequencing for Precise Cancer Research: Progress and Prospects Xiaoyan Zhang1, Sadie L
Published OnlineFirst March 3, 2016; DOI: 10.1158/0008-5472.CAN-15-1907 Cancer Review Research Single-Cell Sequencing for Precise Cancer Research: Progress and Prospects Xiaoyan Zhang1, Sadie L. Marjani2, Zhaoyang Hu1, Sherman M. Weissman3, Xinghua Pan1,3,4, and Shixiu Wu1 Abstract Advances in genomic technology have enabled the faithful could potentially improve the early detection and monitoring detection and measurement of mutations and the gene expres- of rare cancer cells, such as circulating tumor cells and dissem- sion profile of cancer cells at the single-cell level. Recently, inated tumor cells, and promote the development of person- several single-cell sequencing methods have been developed alized and highly precise cancer therapy. Here, we discuss that permit the comprehensive and precise analysis of the the current methods for single cancer-cell sequencing, with a cancer-cell genome, transcriptome, and epigenome. The use of strong focus on those practically used or potentially valuable these methods to analyze cancer cells has led to a series of in cancer research, including single-cell isolation, whole unanticipated discoveries, such as the high heterogeneity and genome and transcriptome amplification, epigenome profiling, stochastic changes in cancer-cell populations, the new driver multi-dimensional sequencing, and next-generation sequenc- mutations and the complicated clonal evolution mechanisms, ing and analysis. We also examine the current applications, and the novel identification of biomarkers of variant tumors. challenges, and prospects of single cancer-cell sequencing. These methods and the knowledge gained from their utilization Cancer Res; 76(6); 1–8. Ó2016 AACR. Introduction disease progression (4). However, the molecular profiling data, especially heterogeneity analysis, of these important cancer-cell Cancer is a significant cause of mortality worldwide. -
Polish Roadmap for Research Infrastructures Polish Roadmap for Research Infrastructures
Polish Roadmap for Research Infrastructures Polish Roadmap for Research Infrastructures Preface Research plays a key role in the development of soci- ety and civilization. Through research we are able to ef- fectively address new challenges such as quality of life, civilization diseases, demographic changes, sustainable development and environmental protection, as well as energy security. Without top-level research it is impos- sible not only to successfully face the above mentioned and other challenges but also to understand the dy- Wojciech Murdzek namically changing world. Minister of Science and Higher Education There are two elements of vital importance for research excellence – human capital and state-of-the-art re- search infrastructures. The latter is doubly important owing to its essential role in training future scientific and technical staff. Major strategic research infrastruc- tures attract world-class scientists and innovative com- panies which enables economic growth as well as en- hance social capital. Excellent laboratories applying the highest standards of research and education are there- fore necessary for each country to develop. The Polish Roadmap for Research Infrastructures is a tool created to facilitate the development of these laboratories. It comprises seventy of the most ambitious research infrastructure projects of great socio-econom- ic significance, chosen through a transparent process carried out in accordance with international standards. The Roadmap is to become the basis for the investment policy of the Ministry of Science and Higher Education in the coming years, however it is worth underlining that placing a research infrastructure project on the Roadmap does not automatically imply the financial commitment of the Ministry. -
Cell Surface GRP94 As a Novel Emerging Therapeutic Target for Monoclonal Antibody Cancer Therapy
cells Review Cell Surface GRP94 as a Novel Emerging Therapeutic Target for Monoclonal Antibody Cancer Therapy Ji Woong Kim † , Yea Bin Cho † and Sukmook Lee * Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea; [email protected] (J.W.K.); [email protected] (Y.B.C.) * Correspondence: [email protected]; Tel.: +82-2-910-6763 † These authors contributed equally to this work. Abstract: Glucose-regulated protein 94 (GRP94) is an endoplasmic reticulum (ER)-resident member of the heat shock protein 90 (HSP90) family. In physiological conditions, it plays a vital role in regulating biological functions, including chaperoning cellular proteins in the ER lumen, maintaining calcium homeostasis, and modulating immune system function.‘Recently, several reports have shown the functional role and clinical relevance of GRP94 overexpression in the progression and metastasis of several cancers. Therefore, the current review highlights GRP94’s physiological and pathophysiological roles in normal and cancer cells. Additionally, the unmet medical needs of small chemical inhibitors and the current development status of monoclonal antibodies specifically targeting GRP94 will be discussed to emphasize the importance of cell surface GRP94 as an emerging therapeutic target in monoclonal antibody therapy for cancer. Keywords: GRP94; cancer; therapeutic target; therapy; monoclonal antibody Citation: Kim, J.W.; Cho, Y.B.; Lee, S. Cell Surface GRP94 as a Novel 1. Introduction Emerging Therapeutic Target for Cancer, the second leading cause of death behind cardiovascular disease, remains a Monoclonal Antibody Cancer major global public health problem [1]. Overall, the burden of cancer incidence and mortal- Therapy. Cells 2021, 10, 670. -
Molecular Chaperone Gp96 Is a Novel Therapeutic Target of Multiple Myeloma
Published OnlineFirst September 27, 2013; DOI: 10.1158/1078-0432.CCR-13-2083 Clinical Cancer Cancer Therapy: Preclinical Research Molecular Chaperone gp96 Is a Novel Therapeutic Target of Multiple Myeloma Yunpeng Hua1, Shai White-Gilbertson1, Joshua Kellner1, Saleh Rachidi1, Saad Z. Usmani2, Gabriela Chiosis3, Ronald DePinho4, Zihai Li1, and Bei Liu1 Abstract Purpose: gp96 (grp94) is a key downstream chaperone in the endoplasmic reticulum (ER) to mediate unfolded protein response (UPR) and the pathogenesis of multiple myeloma is closely linked to dysre- gulated UPR. In this study, we aimed to determine the roles of gp96 in the initiation and progression of multiple myeloma in vivo and in vitro. Experimental Design: We generated a mouse model with overexpression of XBP1s and conditional deletion of gp96 in B-cell compartment simultaneously to identify the roles of gp96 in the development of multiple myeloma in vivo. Using a short hairpin RNA (shRNA) system, we silenced gp96 in multiple human multiple myeloma cells and examined the effect of gp96 knockdown on multiple myeloma cells by cell proliferation, cell-cycle analysis, apoptosis assay, immunohistochemistry, and human myeloma xenograft model. The anticancer activity of gp96 selective inhibitor, WS13, was evaluated by apoptosis assay and MTT assay. Results: Genetic deletion of gp96 in XBP1s-Tg mice attenuates multiple myeloma. Silencing of gp96 causes severe compromise in human multiple myeloma cell growth through inhibiting Wnt-LRP-survivin pathway. We also confirmed that knockdown of gp96 decreased human multiple myeloma growth in a murine xenograft model. The targeted gp96 inhibitor induced apoptosis and blocked multiple myeloma cell growth, but did not induce apoptosis in pre-B leukemic cells. -
Essential Roles of Grp94 in Gut Homeostasis Via Chaperoning Canonical Wnt Pathway
Essential roles of grp94 in gut homeostasis via chaperoning canonical Wnt pathway Bei Liua, Matthew Staronb, Feng Honga, Bill X. Wua,c, Shaoli Sund, Crystal Moralesa, Craig E. Crossonc, Stephen Tomlinsona, Ingyu Kime, Dianqing Wue, and Zihai Lia,1 aDepartment of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425; bDepartment of Immunobiology, Yale University School of Medicine, New Haven, CT 06520; cStorm Eye Institute, Medical University of South Carolina, Charleston, SC 29425; dDepartment of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC 29425; and eDepartment of Pharmacology, Yale University School of Medicine, New Haven, CT 06520 Edited by Arthur L. Horwich, Yale University School of Medicine, New Haven, CT, and approved March 13, 2013 (received for review February 14, 2013) Increasing evidence points to a role for the protein quality control grp94 and Wnt pathway has not been reported. Furthermore, in the endoplasmic reticulum (ER) in maintaining intestinal homeo- a direct role for MesD or LRP5/6 in controlling adult intestinal stasis. However, the specific role for general ER chaperones in this homeostasis has not been demonstrated because of lack of ap- process remains unknown. Herein, we report that a major ER heat propriate genetic models. shock protein grp94 interacts with MesD, a critical chaperone for Here, we report that grp94 interacts with MesD, which is the Wnt coreceptor low-density lipoprotein receptor-related pro- necessary for proper cell surface expression of LRP6 and ca- tein 6 (LRP6). Without grp94, LRP6 fails to export from the ER to nonical Wnt signaling. -
Exploring Viral Infection Using Single-Cell Sequencing
Virus Research 239 (2017) 55–68 Contents lists available at ScienceDirect Virus Research j ournal homepage: www.elsevier.com/locate/virusres Review Exploring viral infection using single-cell sequencing a,∗ b c a Sylvie Rato , Monica Golumbeanu , Amalio Telenti , Angela Ciuffi a Institute of Microbiology, University Hospital Center and University of Lausanne, Bugnon 48, CH-1011 Lausanne, Switzerland b Department of Biosystems Science and Engineering, ETH Zürich and SIB Swiss Institute of Bioinformatics, CH-4058 Basel, Switzerland c The J. Craig Venter Institute, 4120 Capricorn Lane, La Jolla, CA 92037, USA a r t i c l e i n f o a b s t r a c t Article history: Single-cell sequencing (SCS) has emerged as a valuable tool to study cellular heterogeneity in diverse Received 7 June 2016 fields, including virology. By studying the viral and cellular genome and/or transcriptome, the dynamics Received in revised form 21 October 2016 of viral infection can be investigated at single cell level. Most studies have explored the impact of cell-to- Accepted 24 October 2016 cell variation on the viral life cycle from the point of view of the virus, by analyzing viral sequences, and Available online 2 November 2016 from the point of view of the cell, mainly by analyzing the cellular host transcriptome. In this review, we will focus on recent studies that use single-cell sequencing to explore viral diversity and cell variability Keywords: in response to viral replication. Single-cell Heterogeneity © 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).