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Chronic Lymphocytic Leukemia - Biology and Pathophysiology, Excluding Therapy Poster II

Sunday, December 7, 2008: 6:00 PM-8:00 PM
Hall A (Moscone Center)
High Expression of LAG3, LPL and ZAP-70 Genes in B-CLL Strongly Correlates with Unmutated IgVH and Early Therapy RequirementClinically Relevant Abstract

Jana Kotaskova, MSc.1*, Marek Mraz, MSc.1*, Boris Tichy, Dr.1*, Jitka Kabathova, Dr.1*, Jitka Malcikova, MSc.1*, Martin Trbusek, PhD.1*, Hana Francova, MSc.1*, Michael Doubek, MD, PhD.2*, Yvona Brychtova, MD2*, Jiri Mayer, MD, PhD.2 and Sarka Pospisilova, PhD.1*

1Department of Internal Medicine - Hematooncology, Center of Molecular Biology and Gene Therapy, University Hospital Brno and Medical Faculty MU, Brno, Czech Republic
2Department of Internal Medicine - Hematooncology, University Hospital Brno and Medical Faculty MU, Brno, Czech Republic

B-Cell Receptor Profiling Suggests a Limited Number of Antigens Involved in the Pathogenesis of Chronic Lymphocytic LeukemiaClinically Relevant Abstract

Mascha Binder1*, Fabian Müller2*, Mareike Frick2*, Claudia Wehr2*, Milena Pantic2*, Dietmar Pfeifer3*, Renata Pasqualini4*, Wadih Arap, MD, PhD4*, Hendrik Veelken, MD2, Roland H. Mertelsmann, MD, PhD2 and Martin Trepel1*

1Hematology/Oncology, University of Hamburg Medical Center, Hamburg, Germany
2Hematology/Oncology, University of Freiburg Medical Center, Freiburg, Germany
3Dept. of Hematology/Oncology, University Medical Center Freiburg, Freiburg, Germany
4MD Anderson Cancer Center, Houston, TX

Identification of Molecular and Biological Predictors of Genomic Complexity in Chronic Lymphocytic Leukemia

Sami Malek, MD, Sam Fossum*, Kerby Shedden* and Peter Ouillette*

Comprehensive Cancer Ctr., Univ. of Michigan, Ann Arbor, MI

B-Cell Count and Survival: Differentiating Chronic Lymphocytic Leukemia (CLL) from and Monoclonal B-Cell Lymphocytosis (MBL) Based on Clinical OutcomeClinically Relevant Abstract

Tait Shanafelt, MD, Neil E. Kay*, Gregory Jenkins*, Timothy G. Call*, Clive S. Zent*, Diane F. Jelinek*, Justin Boysen*, Susan Schwager*, Deborah Bowen*, Liam Zakko*, Susan L. Slager* and Curtis A. Hanson*

Mayo Clinic, Rochester, MN

Treatment Free Survival of Patients with MBL and Early CLL:  Follow-up of 405 Patients at Mayo ClinicClinically Relevant Abstract

Tait Shanafelt, MD1, Neil E. Kay1*, Kari Rabe1*, Timothy G. Call1*, Clive S. Zent1*, Kami Maddocks, MD2*, Diane F. Jelinek1*, Justin Boysen1*, Deborah Bowen1*, Susan Schwager1*, Gregory Jenkins1*, Susan L. Slager, PhD1* and Curtis A. Hanson1*

1Mayo Clinic, Rochester, MN
2Hematology/Oncology, Ohio State University James Cancer Center, Columbus, OH

Inhibition of BCR Signaling Using the SYK Inhibitor R406 Antagonizes Migratory and Pro-Survival Responses in CLL Cells

Maite P. Quiroga, BS*, Antonina Kurtova, MS*, William Wierda, MD, PhD, Michael Keating, MB, BS and Jan A. Burger, MD, PhD

Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX

CD5+ Chronic B-Cell Lymphoproliferative Disorders Could Contain a Novel Disease EntityClinically Relevant Abstract

Roxana S Dronca, MD*, Curtis A. Hanson, MD*, Dragan Jevremovic, MD, PhD*, C. Scott Collins, MD*, Kari Rabe, MS*, Jessica Sonbert*, Susan L. Slager, PhD*, Susan Schwager*, Tait D. Shanafelt, MD*, Neil E. Kay, MD* and Clive S. Zent, MD*

Division of Hematology, Mayo Clinic, Rochester, MN

Bone Marrow Mesenchymal Stem Cells Are Altered in  B-Cell Chronic Lymphocytic Leukemia

Céline Pebrel-Richard, PhD1*, Richard Veyrat Masson, MD, PhD1*, Frédérique Dubois-Galopin, PhD1*, Jean-Jacques Guérin1*, Laurent Guillouard1*, Jacques Chassagne, PhD1*, Jacques-Olivier Bay, MD, PhD2, Olivier Tournilhac, MD, PhD2*, Karin Tarte, PhD3* and Marc G Berger, MD, PhD1

1Hematology (Biology), EA 3846, CHU, Clermont-Ferrand, France
2Service de Thérapie Cellulaire et d'Hématologie Clinique Adulte, EA 3846, Hotel-Dieu, Clermont-Ferrand, France
3Inserm U917-MICA, Faculté de Médecine de Rennes, Rennes, France

Genome Wide-DNA Profiling of Richter's Syndrome-Diffuse Large B-Cell Lymphoma (RS-DLBCL): Differences with De Novo DLBCL and Possible Mechanisms of Transformation from Chronic Lymphocytic Leukemia (CLL)Clinically Relevant Abstract

Francesco Bertoni, MD1, Marta Scandurra1*, Michaela Cerri2*, Clara Deambrogi, PhD3*, Paola MV Rancoita1*, Silvia Rasi3*, Francesco Forconi4*, Maurilio Ponzoni5*, Santiago Montes-Moreno6*, Miguel A. Piris6*, Giorgio Inghirami7*, Andrea Rinaldi1*, Emanuele Zucca1*, Ivo Kwee1*, Gianluca Gaidano2* and Davide Rossi2*

1Laboratory of Experimental Oncology and Lymphoma Unit, Oncology Institute of Southern Switzerland (IOSI), Bellinzona, Switzerland
2Division of Hematology, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
3Dept. of Med. Sciences & IRCAD, Amedeo Avorgadro Univ., Novara, Italy
4Ematologia e Trapianti, Università di Siena - AOUS, Siena, Italy
5HSR, Milan, Italy
6CNIO, Madrid, Spain
7Univ. of Turin, Turin, Italy

Identification of Therapeutic Targets for Chronic Lymphocytic Leukemia in the Relapsed and Refractory Setting

Daphne Friedman, MD1, J. Brice Weinberg, MD2, Karen M Bond2*, Alicia D Volkheimer2*, Youwei Chen2* and Joseph R Nevins, PhD3*

1Medical Oncology, Duke University Medical Center, Durham, NC
2VA & Duke Medical Centers, Durham, NC
3Inst. Genome Sciences and Policy, Duke University, Durham, NC

Inversely Association of the Aiolos Transcription Factor with Clinical Progression in Chronic Lymphocytic LeukemiaClinically Relevant Abstract

Holger Nückel, MD1*, Ulrich H Frey, MD2*, Ludger Sellmann, MD1*, Crista H Collins3*, Ulrich Duehrsen, MD4 and Winfried Siffert, MD5*

1Department of Haematology, University Hospital of Essen, Essen, Germany
2Department of Anaesthesia and Intensive care, University Hospital of Essen, Essen, Germany
3Institute of Pahrmacogenetics, University Hospital Essen, Essen, Germany
4Department of Hematology, University Hospital Essen, Essen, Germany
5Institute of Pharmacogenetics, University Hospital of Essen, Essen, Germany

Overexpression of TOSO in CLL Is Triggered by B-Cell Receptor Signaling and Associated with Progressive DiseaseClinically Relevant Abstract

Christian P Pallasch, MD1*, Alexandra Schulz1*, Nadine Kutsch1*, Janine Schwamb1*, Susanne Hagist, MD1*, Claudia Wickenhauser, MD2*, Alfred Ultsch, PhD3*, Hamid Kashkar, PhD4*, Michael Hallek, MD1 and Clemens-Martin Wendtner, MD1

1Department I of Internal Medicine, Center of Integrated Oncology Cologne Bonn, University of Cologne, Cologne, Germany
2Department of Pathology, University of Cologne, Cologne, Germany
3Databionics Research Group, Department of Mathematics and Computer Science, Philipps-University Marburg, Marburg, Germany
4Institute for Medical Microbiology and Immunology, University of Cologne, Cologne, Germany

T Cells from Patients with Chronic Lymphocytic Leukaemia Prevent Apoptosis of Autologous CLL Cells in a Dose- and Cell:Cell-Contact Dependent Fashion; Rationale for New Therapeutic Possibilities

Eva Rossmann, MD, PhD1*, Parviz Kokhaei, PhD1*, Fariba Mozaffari, PhD1*, Marzia Palma, MD1*, Anders Osterborg, MD, PhD2, Hakan Mellstedt, Prof, MD, PhD1* and A. Raja Choudhury, MSc, PhD3*

1Departments of Hematology and Oncology, Karolinska University Hospital Solna, Stockholm, Sweden
2Deptartment of Hematology, Karolinska Hospital, Stockholm, Sweden
3Oncology Pathology, R8:01, Stockholm, Sweden

Disruption of T Cell Suppression in Chronic Lymphocytic Leukemia by CD200 BlockadeClinically Relevant Abstract

Christian P Pallasch, MD1*, Susanne Ulbrich, MD1*, Reinhild Brinker1*, Robert A Uger, PhD2*, Michael Hallek, MD1 and Clemens-Martin Wendtner, MD1

1Department I of Internal Medicine, Center of Integrated Oncology Cologne Bonn, University of Cologne, Cologne, Germany
2Trillium Therapeutics Inc., Toronto, ON, Canada

A High Number of Losses in 13q14 Chromosome Is Associated with a Worse Outcome and Biological Differences in Patients with B Chronic Lymphoid LeukemiaClinically Relevant Abstract

José-Ángel Hernández1*, Ana-Eugenia Rodríguez2*, Marcos González3*, Rocío Benito2*, Celia Fontanillo2*, Virgilio Sandoval4*, Mercedes Romero5*, Guillermo Martín-Núñez6*, Alfonso García de Coca7*, Rosa Fisac8*, Josefina Galende9*, Isabel Recio10*, Francisco Ortuño11*, Juan-Luis García2*, Javier de las Rivas2*, Norma-Carmen Gutiérrez3*, Jesús-Maria Hernández3* and J.F. San Miguel3

1Hematología, Hospital Infanta Leonor, Madrid, Spain
2IBMCC, Centro de Investigación del Cáncer, Universidad de Salamanca-CSIC, Salamanca, Spain
3Hematología, IBMCC, Centro de Investigación del Cáncer, Universidad de Salamanca-CSIC; Hospital Clínico Universitario, Salamanca, Spain
4Hematología, Hospital Virgen Blanca, León, Spain
5Hematología, Hospital del Río Hortega, Valladolid, Spain
6Hematología, Hospital Virgen del Puerto, Plasencia (Cáceres), Spain
7Hospital Clínico Universitario de Valladolid, Valladolid
8Hematología, Hospital General, Segovia, Spain
9Hematología, Hospital del Bierzo, Ponferrada (León), Spain
10Hematología, Hospital Nuestra Señora de Sonsoles, Avila, Spain
11Hematología, Hospital Morales Meseguer, Murcia, Spain

Invariant Deletion of One Mir-34b/C Locus in CLL with del11q

Sami Malek, MD and Peter Ouillette*

Comprehensive Cancer Ctr., Univ. of Michigan, Ann Arbor, MI

Deregulation of Micrornas Results in Overexpression of Oncogenic Transcription Factors Involved in Pathogenesis of CLL

Christian P Pallasch, MD*, Susanne Hagist, MD*, Michaela Patz*, Alexandra Schulz*, Svenja Debey*, Daniela Eggle*, Joachim L Schultze, MD*, Michael Hallek, MD and Clemens-Martin Wendtner, MD

Department I of Internal Medicine, Center of Integrated Oncology Cologne Bonn, University of Cologne, Cologne, Germany

Differential Protein Expression in MBL and CLL: LAIR1 Is a Powerful Surface Marker for Identifying Cases with Adverse Cellular FeaturesClinically Relevant Abstract

Andy C Rawstron, BSc, PhD1, Darren J Newton2*, Ruth M. de Tute1*, Jane Shingles2*, Fiona L Bennett3*, Paul A.S. Evans3*, Sheila J.M. O'Connor3*, Andrew S Jack3 and Peter Hillmen3

1H.M.D.S., Leeds Teaching Hospitals, Leeds, United Kingdom
2Experimental Haematology, Leeds Institute for Molecular Medicine, Leeds, United Kingdom
3Hmds, Leeds Teaching Hospitals, Leeds, United Kingdom

TP53 Abnormalities in Chronic Lymphocytic Leukemia Exhibit a Disease Specific Profile: Meta-Analysis of 270 Mutations

Thorsten Zenz1*, Jana Smadova2*, Dominik Vollmer1*, Martin Trbusek2*, Axel Benner3*, Sonja Häbe1*, Tina Denzel1*, Jitka Malcikova4*, Sim Truong5*, Nancy Patten5*, David Oscier6*, Rachel Ibbotson6*, Anne Gardiner6*, Ian Tracy6*, Ke Lin7*, Andrew Pettitt7*, Sarka Popsilova2*, Jiri Mayer8, Hartmut Döhner1 and Stephan Stilgenbauer1

1University of Ulm, Ulm, Germany
2University of Brno, Brno, Czech Republic
3Biostatistics, DKFZ, Heidelberg, Germany
4Hematooncology, Center of Molecular Biology and Gene Therapy, University Hospital Brno and Medical Faculty MU, Brno, Czech Republic
5Roche Molecular Systems, Pleasanton, CA
6Department of Haematology, Royal Bournemouth Hospital, Bournemouth, United Kingdom
7University of Liverpool, Liverpool, United Kingdom
8Hematology/Oncology, Masaryk University Hospital, Brno, Czech Republic

Integrating Newer Prognostic Factors in Evaluation of Previously Treated Patients with CLL Receiving Salvage TreatmentClinically Relevant Abstract

Jerry D Henderson, MD1*, Susan M O'Brien, MD2, Xuemei Wang, MS3*, Stefan H Faderl, MD2*, Alessandra Ferrajoli, MD2, Guillermo Garcia-Manero, MD2*, Constantine S. Tam, MB.BS4, Jan A Burger, MD, PhD2, Lynne V Abruzzo, MD, PhD5, Ellen Schlette, MD5, Susan Lerner2*, Michael J Keating, MBBS2 and William G Wierda, MD, PhD2

1General Internal Medicine, U.T.M.D. Anderson Cancer Center, Houston, TX
2Leukemia, U.T.M.D. Anderson Cancer Center, Houston, TX
3Quantitative Sciences Division, U.T.M.D. Anderson Cancer Center, Houston, TX
4Haematology, St Vincent's Hospital, Fitzroy, Australia
5Hematopathology, U.T.M.D. Anderson Cancer Center, Houston, TX

Detection of Minimal Residual Disease in Chronic Lymphocytic Leukemia with Monoclonal Antibodies Specific for CD5, CD10, CD19, and ROR1

H. Elizabeth Broome, MD1, Laura Rassenti, PhD2, Jack D. Bui, MD, PhD1*, Lilly Meyer1* and Thomas J. Kipps, MD, PhD2

1Pathology, Moores UCSD Cancer Center, La Jolla, CA
2Moores Cancer Ctr., Univ. of California, San Diego, La Jolla, CA

Chronic Lymphocytic Leukemia B-Cells Lack or Express Markedly Reduced Levels of the Phosphatase PHLPP, Which Regulates B-Cell Receptor Induced AKT Activation

Mirza Suljagic, DVM, PhD1*, Luca Laurenti, MD2*, Muhammad Alam, MD3*, Pablo G Longo, MD1, Sami N Malek, MD3 and Dimitar G Efremov, MD, PhD1

1Molecular Hematology, ICGEB, Rome, Italy
2Istituto di Ematologia, Catholic University Hospital A. Gemelli, Rome, Italy
3Comprehensive Cancer Ctr., Univ. of Michigan, Ann Arbor, MI

Prognostic Stratification of Patients with Chronic Lymphocytic Leukemia Based on Quantitative Flow Cytometry Evaluation of ZAP-70 Versus Homology of IgVH PlotClinically Relevant Abstract

Martin Klabusay, MD, PhD1*, Viera Kuhrova2*, Viera Hrabcakova2*, Petr Coupek3* and Jiri Mayer4

1Internal Medicine - Hematooncology, Masaryk University, Brno, Czech Republic
2Internal Medicine - Hematooncology, University Hospital Brno, Brno, Czech Republic
3Czech Geological Survey, Brno, Czech Republic
4Hematology/Oncology, Masaryk University Hospital, Brno, Czech Republic

Nucleophosmin (NPM) Has Increased Expression and Shuttling Activity in Chronic Lymphocytic Leukaemia without Somatic Hypermutation of the Immunoglubulin Gene (UM-CLL) and Is Linked to Ribosomal Proteins: A Possible Role for Increased Protein biosynthesis in the Adverse Outcome of UM-CLL

Karen S Rees-Unwin, PhD1*, Robin Faragher, PhD1*, Claire V Hutchinson, FRCPath1*, Richard D Unwin, PhD2*, Julie Adams, PhD3*, Andrew Pettitt, PhD, FRCPath4*, Alison H Banham, PhD5*, Karen Pulford, PhD5 and John Burthem, PhD, FRCPath6*

1Cancer Studies and Imaging Sciences, University of Manchester, Manchester, United Kingdom
2Cancer Studies and Imaging Sciences, Stem Cell and Leukaemia Proteomics Laboratory, Manchester
3Clinical Haematology, Manchester Royal Infirmary, Manchester
4University of Liverpool, Liverpool, United Kingdom
5Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, United Kingdom
6Clinical Haematology, Manchester Royal Infirmary, Manchester, United Kingdom

Regulation of B-Cell Chronic Lymphocytic Leukaemia Cell Survival and Migration by the VEGF/SEMA3A Axis

Philip T Murphy, MD1*, Brendan p Power, PhD2*, Patrick D Thornton, MD1* and Judith H Harmey, PhD2*

1Hematology, Beaumont Hospital, Dublin, Ireland
2Molecular and Cellular Therapeutics, Royal College of Surgeons, Dublin 2, Ireland

ATM Gene Alterations in CLL Patients Induce Gene Profile Clusters and Predict Disease Progression

Anna Guarini1*, Marilisa Marinelli1*, Simona Tavolaro1*, Isabella Torrente2*, Emanuele Bellacchio2*, Monia Magliozzi2*, Simona Santangelo1*, Nadia Peragine1*, Maria Stefania De Propris1*, Mauro Nanni1*, Sabina Chiaretti1*, Francesca Romana Mauro1*, Ilaria Del Giudice1*, Bruno Dallapiccola2* and Robert Foa1*

1Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy
2Genetics, CSS Mendel, Rome, Italy

Heat Shock Protein Localisation in Chronic Lymphatic Leukaemia

Nina C Dempsey1*, Francesca Leoni1*, John H.H. Williams1* and Christine Hoyle2

1Department of Biological Science, Chester Centre for Stress Research, Chester, England
2Glan Clwyd Hospital, Rhyl, United Kingdom

High T-Cell Lymphoma Breakpoint 1 (TCL1) Levels Are Associated with Lack of Response and Inferior Outcome Following Fludarabine, Cyclophosphamide, Rituximab (FCR) Frontline Therapy in Patients with Chronic Lymphocytic Leukemia (CLL)Clinically Relevant Abstract

Ellen Schlette, MD1, Constantine S. Tam, MB.BS2, Marco Herling, MD3*, Carlos Bueso-Ramos, MD, PhD1*, William Wierda, MD4*, Alessandra Ferrajoli, MD4*, Susan O'Brien, MD4*, Michael Keating, MB.BS4* and Dan Jones1*

1Department of Hematopathology, M.D. Anderson Cancer Ctr., Houston, TX
2Haematology, St Vincent's Hospital, Fitzroy, Australia
3Cologne University, Cologne, Germany
4Department of Leukemia, M.D. Anderson Cancer Ctr., Houston, TX

Protein Kinase C-Epsilon Is An Important Component of the Lyn Kinase Signaling Pathway in the Apoptotic Resistance of B- Chronic Lymphocytic Leukemia Cells

Vamsidhar Velcheti, MD1*, Srikanth Tamma, MD1*, Zoe L Larned, MD1*, Jyotsna Fuloria, MD1, Li Li, MD, PhD1, Francis R Rodwig, MD1*, John T. Cole, MD1, Felipe Samaniego, MD2* and Om Prakash, PhD1*

1Ochsner Clinic Foundation, New Orleans, LA
2MD Anderson Cancer Center, Houston, TX

Dual Action of CD160 on CLL Cells: Giving Life to Prepare for Death!

Samir G Agrawal, MD, PhD1*, Feng-Ting Liu, MB, PhD2*, Jerome Giustiniani, PhD3*, Li Jia, MB, PhD4*, John G. Gribben, MD, DSc5 and Armand Bensussan, PhD3*

1Centre for Haematology, Institute of Cell and Molecular Science, Queen Mary University of London, London, United Kingdom
2Haematology, ICMS, London, United Kingdom
3INSERM U841, France
4Haematology, ICMS, Queen Mary University of London, London
5Institute of Cancer, Centre for Medical Oncology, Barts and the London School of Medicine, London, United Kingdom

*signifies non-member of ASH