Research Topics
| Donald R BranchSummaryAffiliation: University of Toronto Country: Canada Publications
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Detail Information
Publications
Solving the dilemma of prevention of red cell alloimmunizationDonald R Branch
Department of Medicine, Division of Hematology, University of Toronto, Toronto, Ontario, Canada
Immunotherapy 4:903-5. 2012..These results open the door for therapies aimed at the prevention and/or treatment of alloimmunization in both a transfusion setting and, importantly, in hemolytic disease of the fetus and newborn...
Unexpected suppression of anti-Fya and prevention of hemolytic disease of the fetus and newborn after administration of Rh immune globulinDonald R Branch
Canadian Blood Services, 67 College Street, Toronto, Ontario, M5G 2M1, Canada
Transfusion 51:816-9. 2011..It was suggested that induction of TGFβ-1 and immunosuppression may be independent of cognate antigen recognition by RhIG. Herein, we present a description of a mother and baby that supports this hypothesis...
Blood groups and susceptibility to virus infection: new developmentsDonald R Branch
Research and Development, Canadian Blood Services, Department of Medicine, Division of Cell and Molecular Biology, Toronto General Research Institute, University of Toronto, Toronto, Ontario, Canada
Curr Opin Hematol 17:558-64. 2010..These recent findings have raised additional questions regarding the possible role of the P/Gb3 histo-blood group antigen in HIV-1 infection...
Gender-selective toxicity of thimerosalDonald R Branch
Departments of Medicine and Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
Exp Toxicol Pathol 61:133-6. 2009....
Antenatal administration of Rh-immune globulin causes significant increases in the immunomodulatory cytokines transforming growth factor-beta and prostaglandin E2Donald R Branch
Transfusion Immunology Hub, Research and Development, Canadian Blood Services, Toronto, Ontario, Canada
Transfusion 46:1316-22. 2006..Production of specific cytokines in response to administration of Rh-immune globulin (RhIG) was examined to assess the mechanism of inhibition of the anti-D production and prevention of hemolytic disease of the newborn (HDN)...
The human P(k) histo-blood group antigen provides protection against HIV-1 infectionNicole Lund
Department of Laboratory Medicine and Pathobiology, University of Toronto, ON, Canada
Blood 113:4980-91. 2009..We conclude that P(k) expression strongly influences susceptibility to HIV-1 infection, which implicates P(k) as a new endogenous cell-surface factor that may provide protection against HIV-1 infection...
Chemical treatment of anti-D results in improved efficacy for the inhibition of Fcgamma receptor-mediated phagocytosisAlison H Foo
Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
Transfusion 47:2250-9. 2007..If successful, this approach may provide the possibility of targeting these chemicals to monocyte-macrophages for increased efficacy of immunoglobulin-based therapies in vivo...
HIV-1 integration is inhibited by stimulation of the VPAC2 neuroendocrine receptorPayman Baradar Bokaei
The Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada M5G 2M1
Virology 362:38-49. 2007..These data reveal that VPAC2 agonists are appropriate candidates for further study as possible treatments aimed at the amelioration of HIV/AIDS...
A synthetic globotriaosylceramide analogue inhibits HIV-1 infection in vitro by two mechanismsAmanda L Harrison
Canadian Blood Services Research and Development Toronto General Research Institute, 67 College St, Toronto, Ontario, M5G 2M1, Canada
Glycoconj J 27:515-24. 2010....
Structure-function studies for in vitro chemical inhibition of Fc gamma receptor-mediated phagocytosisAlison H Foo
Department of Laboratory Medicine and Pathobiology, University of Toronto, The Division of Cell and Molecular Biology, Toronto General Research Institute, Canadian Blood Services, Toronto, Ontario, Canada
Transfusion 47:290-8. 2007....
Induction of HIV-1 resistance: cell susceptibility to infection is an inverse function of globotriaosyl ceramide levelsStephanie Ramkumar
Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
Glycobiology 19:76-82. 2009..Variable Gb(3) expression may provide a natural HIV resistance factor in the general population, and pharmacological manipulation of Gb(3) levels may provide an approach to induction of HIV resistance...
Reduction of disulfide bonds within anti-D results in enhanced Fcgamma receptor blockadeAndrew S Kruspe
Division of Cell and Molecular Biology, Toronto General Research Institute, University of Toronto, Toronto, Ontario, Canada
Transfusion 49:928-36. 2009..If successful, this would provide a rationale to explore this mechanism of enhancing FcgammaR blockade for future use in immunoglobulin therapies for immune cytopenias...
Comparison of detection methods for cell surface globotriaosylceramideMinji Kim
Institute of Medical Science, University of Toronto, 1 King s College Circle, Toronto, Ontario, Canada M5S 1A8
J Immunol Methods 371:48-60. 2011....
A novel soluble mimic of the glycolipid, globotriaosyl ceramide inhibits HIV infectionNicole Lund
Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
AIDS 20:333-43. 2006..CONCLUSIONS: These results suggest that adamantylGb3 may provide a new basis for blocking HIV infections, irrespective of HIV envelope/chemokine co-receptor preference or resistance to other therapeutics...
Constitutively polarized granules prime KHYG-1 NK cellsGarnet Suck
Department of Medical Oncology and Hematology, Princess Margaret Hospital Ontario Cancer Institute, 610 University Avenue, Suite 5 211, Toronto, ON M5G2M9, Canada
Int Immunol 18:1347-54. 2006..Thus, a functional role for NKG2D in KHYG-1 cytotoxicity is demonstrated. Moreover, the novel primed state may contribute to the high cytotoxicity exhibited by KHYG-1...
ABO blood groups influence macrophage-mediated phagocytosis of Plasmodium falciparum-infected erythrocytesKayla T Wolofsky
Sandra Rotman Centre for Global Health, SA Rotman Laboratories, Toronto General Hospital University Health Network, University of Toronto, Toronto, Ontario, Canada
PLoS Pathog 8:e1002942. 2012..These data provide the first evidence that ABO blood group antigens influence macrophage clearance of P. falciparum-infected erythrocytes and suggest an additional mechanism by which blood group O may confer resistance to severe malaria...
Verotoxin A subunit protects lymphocytes and T cell lines against X4 HIV infection in vitroPei Lin Shi
Department of Biochemistry, University of Toronto, Ontario M5G 1X8, Canada
Toxins (Basel) 4:1517-34. 2012..VT blocked HDAC inhibitor enhancement of HIV infection, consistent with a histone-mediated mechanism. We speculate that VT1A may provide a benign approach to reduction of (X4 or R5) HIV cell susceptibility...
Identification and characterization of five-transmembrane isoforms of human vasoactive intestinal peptide and pituitary adenylate cyclase-activating polypeptide receptorsPayman Baradar Bokaei
Institute of Medical Science, University of Toronto, Toronto, ON, Canada M5S 1A8
Genomics 88:791-800. 2006..The identification of these splice variants in various cells and their expression and differential signal transduction compared to the 7TM form suggest that these novel receptors have biological relevance...
Sialylation-independent mechanism involved in the amelioration of murine immune thrombocytopenia using intravenous gammaglobulinDanila Leontyev
Research and Development, Canadian Blood Services, Immunology Hub, Toronto Centre, and Department of Medicine, University of Toronto, Toronto, Ontario, Canada
Transfusion 52:1799-805. 2012....
Red blood cell storage lesions and related transfusion issues: a Canadian Blood Services research and development symposiumKaterina Pavenski
Department of Laboratory Medicine, St Michael s Hospital, Toronto, ON, Canada
Transfus Med Rev 26:68-84. 2012....
Detection of antibodies reacting with the antithetical duffy blood group antigens Fy(a) and Fy(b) using recombinant fusion proteins containing the duffy extracellular domainWilliam P Sheffield
Canadian Blood Services, Research and Development, Hamilton and Toronto, Canada
Transfus Apher Sci 35:207-16. 2006..Recombinant ECD-Fy proteins are suitable and sensitive reagents for the detection of anti-Fy that use technology amenable to automation and/or miniaturization and avoid the need for intact red cells...
Mouse background and IVIG dosage are critical in establishing the role of inhibitory Fcγ receptor for the amelioration of experimental ITPDanila Leontyev
Research and Development, Canadian Blood Services, Toronto, ON, Canada
Blood 119:5261-4. 2012..Our findings led us to the conclusion that different strains of mice respond differently to IVIG and that FcγRIIB plays no role in the mechanism of effect of IVIG in experimental ITP...
Transfusion-related acute lung injury (TRALI): A Canadian blood services research and development symposiumElianna Saidenberg
University of Ottawa and Ottawa General Hospital, Ottawa, Ontario, Canada
Transfus Med Rev 24:305-24. 2010..Finally, animal models of TRALI have provided insight into the possible mechanisms of this disorder and can be used to explore potential treatment modalities...
Lack of susceptibility of cells from patients with Fabry disease to productive infection with R5 human immunodeficiency virusNicole Lund
Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
AIDS 19:1543-6. 2005..Our findings suggest a novel resistance mechanism to productive infection with R5 HIV-1 that potentially involves abnormal globotriaosylceramide catabolism...
Cellular therapies: a Canadian blood services research and development symposiumNadine Shehata
Division of Hematology, St Michael's Hospital, Toronto, Canada
Transfus Med Rev 21:317-36. 2007
Chemical compounds that target thiol-disulfide groups on mononuclear phagocytes inhibit immune mediated phagocytosis of red blood cellsGregory C Rampersad
Research and Development, Canadian Blood Services, Toronto, Ontario, Canada
Transfusion 45:384-93. 2005..CONCLUSION: These studies indicate that pharmacologic strategies that target SH groups on mononuclear phagocytes may have future efficacy for the treatment of immune cytopenias...
Improved mouse models for the study of treatment modalities for immune-mediated platelet destructionYulia Katsman
Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
Transfusion 50:1285-94. 2010..Thus, it was important to develop an improved mouse model of human ITP so as to maintain PLT nadir over time...
SHP-1 protein tyrosine phosphatase associates with the adaptor protein CrkLSevan Evren
Cell and Molecular Biology, Toronto General Research Institute, Toronto, Ontario, Canada
Exp Hematol 40:1055-9. 2012..This study is the first to identify and define an interaction between SHP-1 and an SH3 domain-containing protein. Our findings provide an alternative way that SHP-1 can be linked to potential substrates...
KHYG-1, a model for the study of enhanced natural killer cell cytotoxicityGarnet Suck
Department of Medical Oncology and Hematology, Princess Margaret Hospital Ontario Cancer Institute, Toronto, Ontario, Canada
Exp Hematol 33:1160-71. 2005..To compare the cytotoxicity of KHYG-1 with other natural killer (NK)/NK T-cell lines and identify molecules that may be associated with enhanced cytotoxicity, thereby eventually leading to improved NK cell-mediated cancer immunotherapy...
The role of glycosphingolipids in HIV/AIDSClifford A Lingwood
Molecular Structure and Function Program, Hospital for Sick Children, Toronto, Ontario, Canada
Discov Med 11:303-13. 2011....
Disulfide linked pyrazole derivatives inhibit phagocytosis of opsonized blood cellsMeena K Purohit
Center for Molecular Design and Preformulations, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada M5G 1L7
Bioorg Med Chem Lett 23:2324-7. 2013..Confirmation of the disulfide bridge additionally provides clues for the non-thiol or non-disulfide bridge carrying ligands targeting ITP and other similar disorders...
MDM2 antagonist nutlin plus proteasome inhibitor velcade combination displays a synergistic anti-myeloma activityManujendra N Saha
Division of Molecular and Cellular Biology, Toronto General Hospital Research Institute and Department of Laboratory Medicine and Pathobiology, University of Toronto, Canada
Cancer Biol Ther 9:936-44. 2010..These preclinical studies provide the framework for clinical trial of nutlin, alone and in combination with conventional and novel therapies such as velcade to increase efficacy and improve patient outcome in MM...
Blood group biochemistry: a canadian blood services research and development symposiumWilliam P Sheffield
Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
Transfus Med Rev 19:295-307. 2005
