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The Proximal Signaling Network of the BCR-ABL1 Oncogene Shows a Modular Organization
Oncogene (2010) 29, 5895–5910 & 2010 Macmillan Publishers Limited All rights reserved 0950-9232/10 www.nature.com/onc ORIGINAL ARTICLE The proximal signaling network of the BCR-ABL1 oncogene shows a modular organization B Titz, T Low, E Komisopoulou, SS Chen, L Rubbi and TG Graeber Crump Institute for Molecular Imaging, Institute for Molecular Medicine, Jonsson Comprehensive Cancer Center, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA, USA BCR-ABL1 is a fusion tyrosine kinase, which causes signaling effects of BCR-ABL1 toward leukemic multiple types of leukemia. We used an integrated transformation. proteomic approach that includes label-free quantitative Oncogene (2010) 29, 5895–5910; doi:10.1038/onc.2010.331; protein complex and phosphorylation profiling by mass published online 9 August 2010 spectrometry to systematically characterize the proximal signaling network of this oncogenic kinase. The proximal Keywords: adaptor protein; BCR-ABL1; phospho- BCR-ABL1 signaling network shows a modular and complex; quantitative mass spectrometry; signaling layered organization with an inner core of three leukemia network; systems biology transformation-relevant adaptor protein complexes (Grb2/Gab2/Shc1 complex, CrkI complex and Dok1/ Dok2 complex). We introduced an ‘interaction direction- ality’ analysis, which annotates static protein networks Introduction with information on the directionality of phosphorylation- dependent interactions. In this analysis, the observed BCR-ABL1 is a constitutively active oncogenic fusion network structure was consistent with a step-wise kinase that arises through a chromosomal translocation phosphorylation-dependent assembly of the Grb2/Gab2/ and causes multiple types of leukemia. It is found in Shc1 and the Dok1/Dok2 complexes on the BCR-ABL1 many cases (B25%) of adult acute lymphoblastic core. -
Identification and Characterization of a Novel Human Testis-Specific
Biochemical and Biophysical Research Communications 285, 400–408 (2001) doi:10.1006/bbrc.2001.5165, available online at http://www.idealibrary.com on Identification and Characterization of a Novel Human Testis-Specific Kinase Substrate Gene Which Is Downregulated in Testicular Tumors Andreas Scorilas,*,† George M. Yousef,*,† Klaus Jung,‡ Ewa Rajpert-De Meyts,§ Stephan Carsten,‡ and Eleftherios P. Diamandis*,†,1 *Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada; †Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario M5G 1L5, Canada; ‡Department of Urology, University Hospital Charite, Humboldt University, Berlin, Germany; and §Department of Growth and Reproduction, Juliane Marie Centre, National University Hospital, Copenhagen, Denmark Received June 8, 2001 physiology, most probably in the process of spermato- By using the positional candidate gene approach, we genesis or spermiogenesis. © 2001 Academic Press identified a novel putative serine/threonine kinase Key Words: kinase substrates; testis-specific genes; substrate gene that maps to chromosome 19q13.3. gene mapping; gene characterization; TSKS; testis- Screening of expressed sequence tags and reverse specific kinase substrate; RRAS; IRF3; testicular transcription–polymerase chain reaction of total RNA cancer. from human tissues allowed us to establish the expres- sion of the gene and delineate its genomic organiza- tion (GenBank Accession No. AF200923). This gene (TSKS, for testis-specific kinase substrate) is com- Protein phosphorylation is the most common post- posed of 11 exons and 10 intervening introns and is translational protein modification in eukaryotes and a likely the human homolog of the mouse testis-specific fundamental mechanism for the direct or indirect con- serine kinase substrate gene. -
RET/PTC Activation in Papillary Thyroid Carcinoma
European Journal of Endocrinology (2006) 155 645–653 ISSN 0804-4643 INVITED REVIEW RET/PTC activation in papillary thyroid carcinoma: European Journal of Endocrinology Prize Lecture Massimo Santoro1, Rosa Marina Melillo1 and Alfredo Fusco1,2 1Istituto di Endocrinologia ed Oncologia Sperimentale del CNR ‘G. Salvatore’, c/o Dipartimento di Biologia e Patologia Cellulare e Molecolare, University ‘Federico II’, Via S. Pansini, 5, 80131 Naples, Italy and 2NOGEC (Naples Oncogenomic Center)–CEINGE, Biotecnologie Avanzate & SEMM, European School of Molecular Medicine, Naples, Italy (Correspondence should be addressed to M Santoro; Email: [email protected]) Abstract Papillary thyroid carcinoma (PTC) is frequently associated with RET gene rearrangements that generate the so-called RET/PTC oncogenes. In this review, we examine the data about the mechanisms of thyroid cell transformation, activation of downstream signal transduction pathways and modulation of gene expression induced by RET/PTC. These findings have advanced our understanding of the processes underlying PTC formation and provide the basis for novel therapeutic approaches to this disease. European Journal of Endocrinology 155 645–653 RET/PTC rearrangements in papillary growth factor, have been described in a fraction of PTC thyroid carcinoma patients (7). As illustrated in figure 1, many different genes have been found to be rearranged with RET in The rearranged during tansfection (RET) proto-onco- individual PTC patients. RET/PTC1 and 3 account for gene, located on chromosome 10q11.2, was isolated in more than 90% of all rearrangements and are hence, by 1985 and shown to be activated by a DNA rearrange- far, the most frequent variants (8–11). They result from ment (rearranged during transfection) (1).As the fusion of RET to the coiled-coil domain containing illustrated in Fig. -
Redefining the Specificity of Phosphoinositide-Binding by Human
bioRxiv preprint doi: https://doi.org/10.1101/2020.06.20.163253; this version posted June 21, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. Redefining the specificity of phosphoinositide-binding by human PH domain-containing proteins Nilmani Singh1†, Adriana Reyes-Ordoñez1†, Michael A. Compagnone1, Jesus F. Moreno Castillo1, Benjamin J. Leslie2, Taekjip Ha2,3,4,5, Jie Chen1* 1Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801; 2Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205; 3Department of Biophysics, Johns Hopkins University, Baltimore, MD 21218; 4Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205; 5Howard Hughes Medical Institute, Baltimore, MD 21205, USA †These authors contributed equally to this work. *Correspondence: [email protected]. bioRxiv preprint doi: https://doi.org/10.1101/2020.06.20.163253; this version posted June 21, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. ABSTRACT Pleckstrin homology (PH) domains are presumed to bind phosphoinositides (PIPs), but specific interaction with and regulation by PIPs for most PH domain-containing proteins are unclear. Here we employed a single-molecule pulldown assay to study interactions of lipid vesicles with full-length proteins in mammalian whole cell lysates. -
RET Gene Fusions in Malignancies of the Thyroid and Other Tissues
G C A T T A C G G C A T genes Review RET Gene Fusions in Malignancies of the Thyroid and Other Tissues Massimo Santoro 1,*, Marialuisa Moccia 1, Giorgia Federico 1 and Francesca Carlomagno 1,2 1 Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy; [email protected] (M.M.); [email protected] (G.F.); [email protected] (F.C.) 2 Institute of Endocrinology and Experimental Oncology of the CNR, 80131 Naples, Italy * Correspondence: [email protected] Received: 10 March 2020; Accepted: 12 April 2020; Published: 15 April 2020 Abstract: Following the identification of the BCR-ABL1 (Breakpoint Cluster Region-ABelson murine Leukemia) fusion in chronic myelogenous leukemia, gene fusions generating chimeric oncoproteins have been recognized as common genomic structural variations in human malignancies. This is, in particular, a frequent mechanism in the oncogenic conversion of protein kinases. Gene fusion was the first mechanism identified for the oncogenic activation of the receptor tyrosine kinase RET (REarranged during Transfection), initially discovered in papillary thyroid carcinoma (PTC). More recently, the advent of highly sensitive massive parallel (next generation sequencing, NGS) sequencing of tumor DNA or cell-free (cfDNA) circulating tumor DNA, allowed for the detection of RET fusions in many other solid and hematopoietic malignancies. This review summarizes the role of RET fusions in the pathogenesis of human cancer. Keywords: kinase; tyrosine kinase inhibitor; targeted therapy; thyroid cancer 1. The RET Receptor RET (REarranged during Transfection) was initially isolated as a rearranged oncoprotein upon the transfection of a human lymphoma DNA [1]. -
Nck Adaptor Proteins Link Nephrin at the Podocyte Slit Diaphragm to the Hippo Regulator WTIP
Nck Adaptor Proteins Link Nephrin at the Podocyte Slit Diaphragm to the Hippo Regulator WTIP by Ava Keyvani Chahi A Thesis presented to The University of Guelph In partial fulfilment of requirements for the degree of Master of Science in Molecular and Cellular Biology Guelph, Ontario, Canada © Ava Keyvani Chahi, December, 2014 ABSTRACT NCK ADAPTOR PROTEINS LINK NEPHRIN AT THE PODOCYTE SLIT DIAPHRAGM TO THE HIPPO REGULATOR WTIP Ava Keyvani Chahi Advisor: University of Guelph, 2014 Dr. Nina Jones Podocytes are specialized epithelial cells that contribute to the kidney blood filtration barrier. Their unique cytoskeletal architecture and other complex biological signals are largely maintained by a modified adherens junction known as the slit diaphragm (SD). A major component of the SD is the transmembrane protein nephrin, which upon tyrosine phosphorylation of the intracellular domain regulates actin remodeling and cell survival. Nck adaptor proteins are a critical component of the filtration barrier and connect nephrin to actin-remodeling proteins by binding phosphotyrosine residues and proline-rich motifs. Herein we identify a novel Nck binding partner, Wilm’s tumor interacting protein (WTIP). WTIP is a transcription regulator in podocytes, though Nck is not nuclear localized under conditions known to induce WTIP nuclear accumulation. However, we demonstrate that WTIP is recruited to nephrin, upon nephrin tyrosine phosphorylation by Src Family Kinases, in an Nck-dependent manner. WTIP is an evolutionarily conserved negative regulator of the Hippo kinase pathway, which inhibits the transcription factor Yap. Yap activity promotes podocyte survival. We show in mice that cannot recruit Nck to nephrin, and by extension WTIP, that Yap protein levels are downregulated. -
DOK1 Purified Maxpab Rabbit Polyclonal Antibody (D01P)
DOK1 purified MaxPab rabbit polyclonal antibody (D01P) Catalog # : H00001796-D01P 規格 : [ 100 ug ] List All Specification Application Image Product Rabbit polyclonal antibody raised against a full-length human DOK1 Western Blot (Transfected lysate) Description: protein. Immunogen: DOK1 (NP_001372.1, 1 a.a. ~ 481 a.a) full-length human protein. Sequence: MDGAVMEGPLFLQSQRFGTKRWRKTWAVLYPASPHGVARLEFFDHKG SSSGGGRGSSRRLDCKVIRLAECVSVAPVTVETPPEPGATAFRLDTAQR SHLLAADAPSSAAWVQTLCRNAFPKGSWTLAPTDNPPKLSALEMLENSL enlarge YSPTWEGSQFWVTVQRTEAAERCGLHGSYVLRVEAERLTLLTVGAQS QILEPLLSWPYTLLRRYGRDKVMFSFEAGRRCPSGPGTFTFQTAQGNDI FQAVETAIHRQKAQGKAGQGHDVLRADSHEGEVAEGKLPSPPGPQELL DSPPALYAEPLDSLRIAPCPSQDSLYSDPLDSTSAQAGEGVQRKKPLYW DLYEHAQQQLLKAKLTDPKEDPIYDEPEGLAPVPPQGLYDLPREPKDAW WCQARVKEEGYELPYNPATDDYAVPPPRSTKPLLAPKPQGPAFPEPGT ATGSGIKSHNSALYSQVQKSGASGSWDCGLSRVGTDKTGVKSEGST Host: Rabbit Reactivity: Human Quality Control Antibody reactive against mammalian transfected lysate. Testing: Storage Buffer: In 1x PBS, pH 7.4 Storage Store at -20°C or lower. Aliquot to avoid repeated freezing and thawing. Instruction: MSDS: Download Datasheet: Download Applications Western Blot (Transfected lysate) Western Blot analysis of DOK1 expression in transfected 293T cell line (H00001796-T01) by DOK1 MaxPab polyclonal antibody. Lane 1: DOK1 transfected lysate(52.40 KDa). Lane 2: Non-transfected lysate. Page 1 of 2 2016/5/20 Protocol Download Gene Information Entrez GeneID: 1796 GeneBank NM_001381 Accession#: Protein NP_001372.1 Accession#: Gene Name: DOK1 Gene Alias: MGC117395,MGC138860,P62DOK -
SHOC2–MRAS–PP1 Complex Positively Regulates RAF Activity and Contributes to Noonan Syndrome Pathogenesis
SHOC2–MRAS–PP1 complex positively regulates RAF activity and contributes to Noonan syndrome pathogenesis Lucy C. Younga,1, Nicole Hartiga,2, Isabel Boned del Ríoa, Sibel Saria, Benjamin Ringham-Terrya, Joshua R. Wainwrighta, Greg G. Jonesa, Frank McCormickb,3, and Pablo Rodriguez-Vicianaa,3 aUniversity College London Cancer Institute, University College London, London WC1E 6DD, United Kingdom; and bHelen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94158 Contributed by Frank McCormick, September 18, 2018 (sent for review November 22, 2017; reviewed by Deborah K. Morrison and Marc Therrien) Dephosphorylation of the inhibitory “S259” site on RAF kinases CRAF/RAF1 mutations are also frequently found in NS and (S259 on CRAF, S365 on BRAF) plays a key role in RAF activation. cluster around the S259 14-3-3 binding site, enhancing CRAF ac- The MRAS GTPase, a close relative of RAS oncoproteins, interacts tivity through disruption of 14-3-3 binding (8) and highlighting the with SHOC2 and protein phosphatase 1 (PP1) to form a heterotri- key role of this regulatory step in RAF–ERK pathway activation. meric holoenzyme that dephosphorylates this S259 RAF site. MRAS is a very close relative of the classical RAS oncoproteins MRAS and SHOC2 function as PP1 regulatory subunits providing (H-, N-, and KRAS, hereafter referred to collectively as “RAS”) the complex with striking specificity against RAF. MRAS also func- and shares most regulatory and effector interactions as well as tions as a targeting subunit as membrane localization is required transforming ability (9–11). However, MRAS also has specific for efficient RAF dephosphorylation and ERK pathway regulation functions of its own, and uniquely among RAS family GTPases, it in cells. -
Detection of a Rare BCR–ABL Tyrosine Kinase Fusion Protein in H929 Multiple Myeloma Cells Using Immunoprecipitation (IP)-Tandem Mass Spectrometry (MS/MS)
Detection of a rare BCR–ABL tyrosine kinase fusion protein in H929 multiple myeloma cells using immunoprecipitation (IP)-tandem mass spectrometry (MS/MS) Susanne B. Breitkopfa,b, Min Yuana, German A. Pihanc, and John M. Asaraa,b,1 aDivision of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, MA 02115; bDepartment of Medicine, Harvard Medical School, Boston, MA 02115; and cDepartment of Hematopathology, Beth Israel Deaconess Medical Center, Boston, MA 02115 Edited by Peter K. Vogt, The Scripps Research Institute, La Jolla, CA, and approved August 23, 2012 (received for review July 26, 2012) Hypothesis directed proteomics offers higher throughput over Here, we focused on a hypothesis-directed approach to identify global analyses. We show that immunoprecipitation (IP)–tandem the active signaling pathways that drive cancers. To this end, we mass spectrometry (LC-MS/MS) in H929 multiple myeloma (MM) immunoprecipitated proteins that have clinical significance in cell cancer cells led to the discovery of a rare and unexpected BCR– proliferation such as the central nodes in the AKT and ERK sig- ABL fusion, informing a therapeutic intervention using imatinib naling pathways. The p85 regulatory subunit of phosphoinositide- (Gleevec). BCR–ABL is the driving mutation in chronic myeloid leu- 3-kinase (PI3K) binds pYXXM motif-containing proteins to the kemia (CML) and is uncommon to other cancers. Three different IP– SRC homology 2 (SH2) domains of p85, thus recruiting the p110 MS experiments central to cell signaling pathways were sufficient to catalytic subunit to the plasma membrane for activation (5, 17). Activated p110 phosphorylates its lipid substrate phosphatidyli- discover a BCR–ABL fusion in H929 cells: phosphotyrosine (pY) pep- nositol-4,5-bisphosphate (PIP2) to phosphatidylinositol-3,4,5-tri- tide IP, p85 regulatory subunit of phosphoinositide-3-kinase (PI3K) phosphate (PIP3) and binds to the pleckstrin homology (PH) IP, and the GRB2 adaptor IP. -
Signaling Opposing Roles in CD200 Receptor Downstream of Tyrosine
Downstream of Tyrosine Kinase 1 and 2 Play Opposing Roles in CD200 Receptor Signaling Robin Mihrshahi and Marion H. Brown This information is current as J Immunol published online 15 November 2010 of October 1, 2021. http://www.jimmunol.org/content/early/2010/11/14/jimmun ol.1002858 Downloaded from Why The JI? Submit online. • Rapid Reviews! 30 days* from submission to initial decision • No Triage! Every submission reviewed by practicing scientists http://www.jimmunol.org/ • 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: by guest on October 1, 2021 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 All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. Published November 15, 2010, doi:10.4049/jimmunol.1002858 The Journal of Immunology Downstream of Tyrosine Kinase 1 and 2 Play Opposing Roles in CD200 Receptor Signaling Robin Mihrshahi and Marion H. Brown The CD200 receptor (CD200R) negatively regulates myeloid cells by interacting with its widely expressed ligand CD200. CD200R signals through a unique inhibitory pathway involving a direct interaction with the adaptor protein downstream of tyrosine kinase 2 (Dok2) and the subsequent recruitment and activation of Ras GTPase-activating protein (RasGAP). Ligand engagement of CD200R also results in tyrosine phosphorylation of Dok1, but this protein is not essential for inhibitory CD200R signaling in human myeloid cells. -
The Tec Kinase−Regulated Phosphoproteome Reveals a Mechanism for the Regulation of Inhibitory Signals in Murine Macrophages
The Tec Kinase−Regulated Phosphoproteome Reveals a Mechanism for the Regulation of Inhibitory Signals in Murine Macrophages This information is current as Giacomo Tampella, Hannah M. Kerns, Deqiang Niu, Swati of September 29, 2021. Singh, Socheath Khim, Katherine A. Bosch, Meghan E. Garrett, Albanus Moguche, Erica Evans, Beth Browning, Tahmina A. Jahan, Mariana Nacht, Alejandro Wolf-Yadlin, Alessandro Plebani, Jessica A. Hamerman, David J. Rawlings and Richard G. James Downloaded from J Immunol published online 29 May 2015 http://www.jimmunol.org/content/early/2015/05/29/jimmun ol.1403238 http://www.jimmunol.org/ Supplementary http://www.jimmunol.org/content/suppl/2015/05/29/jimmunol.140323 Material 8.DCSupplemental 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 © 2015 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. Published May 29, 2015, doi:10.4049/jimmunol.1403238 The Journal of Immunology The Tec Kinase–Regulated Phosphoproteome Reveals a Mechanism for the Regulation of Inhibitory Signals in Murine Macrophages Giacomo Tampella,*,1 Hannah M. -
Structure, Function, and Regulation of the SRMS Tyrosine Kinase
International Journal of Molecular Sciences Review Structure, Function, and Regulation of the SRMS Tyrosine Kinase Chakia J. McClendon 1 and W. Todd Miller 1,2,* 1 Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794-8661, USA; [email protected] 2 Department of Veterans Affairs Medical Center, Northport, NY 11768, USA * Correspondence: [email protected] Received: 21 May 2020; Accepted: 12 June 2020; Published: 14 June 2020 Abstract: Src-related kinase lacking C-terminal regulatory tyrosine and N-terminal myristoylation sites (SRMS) is a tyrosine kinase that was discovered in 1994. It is a member of a family of nonreceptor tyrosine kinases that also includes Brk (PTK6) and Frk. Compared with other tyrosine kinases, there is relatively little information about the structure, function, and regulation of SRMS. In this review, we summarize the current state of knowledge regarding SRMS, including recent results aimed at identifying downstream signaling partners. We also present a structural model for the enzyme and discuss the potential involvement of SRMS in cancer cell signaling. Keywords: tyrosine kinase; signal transduction; phosphorylation; SH3 domains; SH2 domains; Src family kinases 1. Introduction Src-related kinase lacking C-terminal regulatory tyrosine and N-terminal myristoylation sites (SRMS) is a 53 kDa nonreceptor tyrosine kinase that was first discovered in mouse neural precursor cells [1]. Studies of the expression pattern of SRMS mRNA showed that the highest levels were present in lung, testes, and liver tissues. Full-length cDNA encoding SRMS was isolated from a murine lung cDNA library, with the predicted SRMS protein containing all of the conserved amino acid residues expected for a nonreceptor tyrosine kinase.