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Blood Coagulation and Fibrinolytic Factors Poster II

Sunday, December 7, 2008: 6:00 PM-8:00 PM
Hall A (Moscone Center)
The Regulatory Function of Amino Acid Region 659-663 of Factor Va on Prothrombinase during Thrombin Formation

Jamila Hirbawi* and Michael Kalafatis*

Cleveland State University, Cleveland, OH

Assembly of the Prothrombinase Complex on Human Fibroblast Surface Is Enhanced by TSP1 and Leads to CTGF Upregulation by a Different Mechanism from the One Used by FXa and Thrombin

Mario C. Rico, M.D.1, James J. Rough, M.D.2*, Joanne M. Manns, Ph.D.3*, Satya P. Kunapuli, Ph.D.1 and Raul A. De La Cadena, M.D.1

1Physiology, Temple University School of Medicine, Philadelphia, PA
2Surgery, Temple University School of Medicine, Philadelphia, PA
3Microbiology and Immunology, Temple University School of Medicine, Philadelphia, PA

Fluorescence Resonance Energy Transfer Studies of Prothrombin Recognition by Prothrombinase

Erin Zekas, B.S.* and Sriram Krishnaswamy, PhD

Children's Hospital of Philadelphia, Philadelphia, PA

The Role of the P1 Residue of Protease Nexin 2 and Basic Pancreatic Trypsin Inhibitor in the Mechanism of Factor XIa Inhibition

Duraiswamy Navaneetham, Ph.D.1*, Dipali Sinha, PhD2* and Peter N. Walsh, MD, PhD3

1Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, PA
2Oms 311, Temple University, Philadelphia, PA
3Thrombosis Research Center, Temple University School of Medicine, Philadelphia, PA

Lysine-Binding Site-Dependent Interaction with Plasmin and Factor Va Responsible for Plasmin-Catalyzed Factor Va Inactivation

Katsumi Nishiya1*, Keiji Nogami1*, Kiyotaka Okada2*, Osamu Matsuo2*, Kenichi Ogiwara1* and Midori Shima1

1Department of Pediatrics, Nara Medical University, Kashihara , Nara, Japan
2Department of Physiology 2, Kinki University School of Medicine, Sayama City, Osaka, Japan

Molecular weight-Dependent Mechanism of Heparin Neutralization by Platelet factor 4

Martine Marie Fiore, PhD* and Ian J Mackie, Reader, in, Haemostasis, and, Th*

Haematology, University College London, London, United Kingdom

Mapping Interactions Between B2GPI and the Lipoprotein Receptors by Solution NMR Spectroscopy

Natalia Beglova, PhD and Chang-Jin Lee, PhD*

Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA

Protease Activated Receptor-4 (PAR4) Uses Anionic Residues to Interact with α-Thrombin in the Absence or Presence of PAR1

Marvin T Nieman, PhD

Hematology-Oncology, Case Western Reserve University School of Medicine, Cleveland, OH

Recombinant Protein Infusion and Hydrodynamic Plasmid Delivery Strategies Provide Distinct and Complementary Approaches to the Characterization of Variant Forms of Von Willeband Factor (VWF) in VWF Knockout Mice

Cynthia M. Pruss, BSc*, Carol A. Hegadorn*, Andrea Labelle*, Erin Burnett*, Mia Golder* and David Lillicrap, MD

Pathology and Molecular Medicine, Queen's University, Kingston, ON, Canada

Comparative Effects of the Direct Factor Xa Inhibitor, Apixaban, and the Direct Inhibitors of Factor VIIa, XIa and Thrombin on Tissue Factor-Induced Human Platelet Aggregation

Xiaosui Jiang1* and Pancras C. Wong, PhD, MBA2*

1Thrombosis Research, Bristol-Myers Squibb Company, Pennington, NJ
2Thrombosis Biology, Bristol-Myers Squibb Company, Pennington, NJ

Effects of Substrate Geometry on Active Site Engagement Govern the Preferential Action of Prothrombinase on One of the Two Cleavage Sites in Prothrombin

Harlan N Bradford, B.S.*, Joseph A Micucci, B.S.* and Sriram Krishnaswamy, PhD

Children's Hospital of Philadelphia, Philadelphia, PA

The Fibrinogen Elongated γ-Chain Inhibits Thrombin-Induced Platelet Response, Hindering the Interaction with Different Receptors

Stefano Lancellotti, BSc1*, Sergio Rutella, MD, PhD2, Vincenzo De Filippis, PhD3*, Nicola Pozzi, PhD3*, Bianca C Rocca, MD, PhD4* and Raimondo De Cristofaro, MD1*

1Medicine, Catholic University Medical School, Rome, Italy
2Hematology, Catholic University Medical School, Rome, Italy
3Pharmaceutical Sciences, University of Padua, Padua, Italy
4Pharmacology, Catholic University Medical School, Rome, Italy

Role of Mg2+ in Extrinsic and Intrinsic Coagulation Under Physiologic Conditions

Sayeh Agah1*, Amanda Sutton2*, William H Velander2* and S. Paul Bajaj3

1Orthopaedic Surgery, UCLA/Orthopaedic Hospital, Los Angeles, CA
2Chemical and Biomolecular Engineering, University of Nebraska Lincoln, Lincoln, NE
3UCLA/Orthopedic Hospital, Los Angeles, CA

Engineered Factor IX with Augmented Clotting Activities in a Hemophilia B Mouse Model

Chia-Ni Lin1*, Chung-Yang Kao1*, Chia-Lun Hong1*, Peiqing Ye2*, Carol H. Miao, PhD3, Nobuko Hamaguchi4*, Hua-Lin Wu5*, Guey-Yueh Shi5*, Yung-Li Yang6*, I-Shing Yu1*, Mi-Hua Tao7*, Cheng-Chieh Fang7*, Yi-Lin Liu8*, Katherine A. High, MD9 and Shu-Wha Lin1*

1Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
2Seattle Children's Hospital Research Institute, Seattle, WA
3Seattle Children's Hospital Research Institute and Department of Pediatrics, University of Washington, Seattle, WA
4Department of Biochemistry, Brandeis University, Waltham, MA
5Department of Biochemistry, College of Medicine, National Cheng Kung University, Tainan, Taiwan
6Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
7Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
8Department of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA
9Howard Hughes Medical Institute, The Children's Hospital of Philadelphia, Philadelphia, PA

Differential Anticoagulant Effects of Protein S on Vascular Cells and Platelets

Herm Jan Brinkman*, Erica Sellink*, Bas de Laat* and Koen Mertens

Dept Plasma Proteins, Sanquin Blood Supply Foundation, Amsterdam, Netherlands

Non-Classical Anti-Factor VIII C2 Domain Antibodies Are Pathogenic in a Murine in Vivo Bleeding Model

Shannon Meeks, MD, John F. Healey, BS*, Ernest T. Parker, BS*, Rachel T. Barrow, BS* and John (Pete) Lollar, MD*

Pediatrics, Emory University, Atlanta, GA

A Unique Recombinant Plasmin Molecule Lacking Kringles 2-5 Possesses Equivalent Hemostatic Safety as Full-Length Human Plasmin

Victor J. Marder, MD1, Valery Novokhatny2*, Steve Manyak1*, Theresa Gruber1*, Jennifer Hunt3*, John Bromirski2*, Abha Goyal1*, Philip Scuderi2* and Steve Petteway4*

1Division of Hematology/Medical Oncology, Los Angeles, CA
2Research & Preclinical Development, Talecris BioTherapeutics, Inc, Research Triangle Park, NC
3Preclinical Development, Talecris BioTherapeutics, Inc, Research Triangle Park, NC
4Research & Development, Talecris BioTherapeutics, Inc, Research Triangle Park, NC

Structural and Functional Investigations of Active Site Binding Regions in Factor VIIa

S. Paul Bajaj1, Amanda Sutton2*, Sreejesh Shanker3*, Amy E Schmidt3*, Sayeh Agah3*, William H Velander2*, Kaillathe Padmanabhan4* and Duilio Cascio5*

1UCLA/Orthopedic Hospital, Los Angeles, CA
2Chemical and Biomolecular Engineering, University of Nebraska Lincoln, Lincoln, NE
3Orthopaedic Surgery, UCLA/Orthopaedic Hospital, Los Angeles, CA
4Biochemistry, Michigan State University, East Lansing, MI
5Institute for Genomics and Proteomics, UCLA, Los Angeles, CA

Structural and Functional Significance of Amino Acid Lysine192 (chymotrypsin numbering) in Factor XIa and Factor VIIa

Amy E Schmidt1*, Sayeh Agah1*, Mao-fu Sun2*, Kaillathe Padmanabhan3*, Duilio Cascio4*, David Gailani5 and S. Paul Bajaj6

1Orthopaedic Surgery, UCLA/Orthopaedic Hospital, Los Angeles, CA
2Pathology and Medicine, Vanderbilt University, Nashville, TN
3Biochemistry, Michigan State University, East Lansing, MI
4Institute for Genomics and Proteomics, UCLA, Los Angeles, CA
5Department of Pathology and Medicine, Vanderbilt University School of Medicine, Nashville, TN
6UCLA/Orthopedic Hospital, Los Angeles, CA

Age-Related Differences in the Glycosylation of Anticoagulant Protein C

Leslie R. Berry* and Anthony K. C. Chan, MBBS

Pediatrics, Henderson Research Centre, McMaster University, Hamilton, ON, Canada

Protein Z Dependent Protease Inhibitor Inhibition of Factor XIa Is Accelerated by Unfractionated Heparin in the Presence and Absence of Protein Z: Further Evidence of the Potential Significance of XIa Inhibitory Activity

Laura Young, FRACP, FRCPA1*, Neil Van de Water, PhD2*, Paul L Harper, MD, FRCP, FRACP3*, Paul A. Ockelford, FRACP, MD, FRCPA4, Anita Horvath, PhD5*, Paul Coughlin, FRACP, PhD5* and Peter Browett, MBChB, FRACP, FRCPA6

1Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
2LabPlus, Auckland City Hospital, Auckland, New Zealand
3Clinical Haematology, Palmerston North Hospital, Palmerston North, New Zealand
4Diagnostic Med. Lab. Ltd., Auckland, New Zealand
5Australian Centre for Blood Diseases, Monash University, Melbourne, Australia
6University of Auckland, Auckland, New Zealand

Expression of Tissue Factor Is up-Regulated in U937/PR9 Cells by the PML/RARα Fusion Protein through Its Interaction with the Regulatory Region of Tissue Factor Promoter

Jingsong Yan*, Hongchen Liu*, Xiaoyu Su*, Ping Wang*, Zhen Ruan*, Kankan Wang*, Zhu Chen, Saijuan Chen* and Xiaodong Xi*

Shanghai Institute of Hematology and State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China

*signifies non-member of ASH