Research Topics
Species | Rene J DuquesnoySummaryAffiliation: University of Pittsburgh Country: USA Publications
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Publications
HLAMatchmaker: a molecularly based algorithm for histocompatibility determination. I. Description of the algorithmRene J Duquesnoy
CLSI Tissue Typing Laboratory, Department of Pathology, Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, PA, USA
Hum Immunol 63:339-52. 2002..This donor selection strategy is suitable especially for allosensitized patients in need of a compatible transplant or platelet transfusion...
HLAMatchmaker: a molecularly based algorithm for histocompatibility determination. II. Verification of the algorithm and determination of the relative immunogenicity of amino acid triplet-defined epitopesRene J Duquesnoy
Department of Pathology, Division of Transplantation Pathology and the Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pennsylvania 15261, USA
Hum Immunol 63:353-63. 2002..Mismatching for triplets with low immunogenicity provides further opportunities for identifying donors with acceptable HLA mismatches for highly sensitized patients...
Multilaboratory evaluation of serum analysis for HLA antibody and crossmatch reactivity by lymphocytotoxicity methodsRene J Duquesnoy
Division of Transplant Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Arch Pathol Lab Med 127:149-56. 2003....
HLAmatchmaker: a molecularly based algorithm for histocompatibility determination. III. Effect of matching at the HLA-A,B amino acid triplet level on kidney transplant survivalRene J Duquesnoy
University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Transplantation 75:884-9. 2003..The present study was designed to determine how class I HLA matching at the triplet level affects kidney transplant outcome...
HLAmatchmaker: a molecularly based algorithm for histocompatibility determination. IV. An alternative strategy to increase the number of compatible donors for highly sensitized patientsRene J Duquesnoy
University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Transplantation 75:889-97. 2003..This report describes how HLAMatchmaker can be used to identify more compatible donors for highly sensitized patients...
HLAMatchmaker-based strategy to identify acceptable HLA class I mismatches for highly sensitized kidney transplant candidatesRene J Duquesnoy
Department of Pathology, Division of Transplantation Pathology, University of Pittsburgh Medical Center, Biomedical Science Tower, Room W1552, Pittsburgh, Pennsylvania 15261, USA
Transpl Int 17:22-30. 2004..HLAMatchmaker offers a useful strategy of identifying more donors with acceptable HLA mismatches and could alleviate the problem of accumulation of highly sensitized patients on the transplant waiting list...
14th International HLA and Immunogenetics Workshop: report on the structural basis of HLA compatibilityR J Duquesnoy
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Ptttsburgh Medical Center, Pittsburgh, PA 15261, USA
Tissue Antigens 69:180-4. 2007..This progress report describes a preliminary HLAMatchmaker-based data analysis in each project. The findings support the clinical usefulness of structural HLA matching...
HLAMatchmaker-based analysis of human monoclonal antibody reactivity demonstrates the importance of an additional contact site for specific recognition of triplet-defined epitopesRene J Duquesnoy
University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Hum Immunol 66:749-61. 2005..An HLAMatchmaker-based analysis of the reactivity of human mAbs will increase our understanding of the structural definition of HLA epitopes and their reactivity with alloantibodies...
HLAMatchmaker: a molecularly based algorithm for histocompatibility determination. V. Eplet matching for HLA-DR, HLA-DQ, and HLA-DPRene J Duquesnoy
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Hum Immunol 68:12-25. 2007..This computer algorithm can be downloaded from the HLA Matchmaker Webside at http://tpis.upmc.edu...
How did a patient who types for HLA-B*4403 develop antibodies that react with HLA-B*4402?Jon Lomago
Tissue Typing Laboratory, Division of Transplantation Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
Hum Immunol 71:176-8. 2010..This finding illustrates the importance of analyzing antibody specificities against HLA epitopes in the determination of mismatch acceptability for sensitized patients...
Human monoclonal antibody reactivity with human leukocyte antigen class I epitopes defined by pairs of mismatched eplets and self-epletsMarilyn Marrari
Division of Transplantation Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
Transplantation 90:1468-72. 2010..This study addressed the question how mismatched HLA antigens induce specific antibodies in context with eplet differences with the antibody producer...
Structural aspects of human leukocyte antigen class I epitopes detected by human monoclonal antibodiesRene J Duquesnoy
Division of Transplantation Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Hum Immunol 73:267-77. 2012....
Structurally based epitope analysis of major histocompatibility complex class I-related chain A (MICA) antibody specificity patternsRene J Duquesnoy
University of Pittsburgh Medical Center, Pittsburgh, PA, USA
Hum Immunol 69:826-32. 2008..In conclusion, HLAMatchmaker is a useful algorithm to analyze the reactivity patterns of anti-MICA antibodies and the determination of MICA mismatch acceptability at the structural level...
HLAMatchmaker-based definition of structural human leukocyte antigen epitopes detected by alloantibodiesRene J Duquesnoy
Division of Transplantation Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Curr Opin Organ Transplant 14:403-9. 2009..This review addresses the concept that human leukocyte antigen (HLA) antibody specificity should be determined to HLA epitopes rather than HLA antigens...
Retransplant candidates have donor-specific antibodies that react with structurally defined HLA-DR,DQ,DP epitopesRene J Duquesnoy
Division of Transplantation Pathology and Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Transpl Immunol 18:352-60. 2008..These data demonstrate that HLA class II reactive sera display distinct specificity patterns associated with structurally defined epitopes on different HLA-D alleles...
Clinical usefulness of HLAMatchmaker in HLA epitope matching for organ transplantationRene J Duquesnoy
Division of Transplantation Pathology, University of Pittsburgh Medical Center, Thomas E Starzl Biomedical Science Tower, Room W1552, Pittsburgh, PA 15261, United States
Curr Opin Immunol 20:594-601. 2008..Moreover, HLAMatchmaker is useful in the analysis of serum antibody reactivity and benefits the strategy of identifying acceptable mismatches for highly sensitized patients...
Why can sensitization by an HLA-DR2 mismatch lead to antibodies that react also with HLA-DR1?Marilyn Marrari
Division of Transplant Pathology and Thomas E Starzl Transplantation Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
Hum Immunol 70:403-9. 2009..Immunogenic eplets on DR1 are 12LKF2 (unique for DR1), 14FEH (shared with DR9 and DR10), and 25HRL (shared with DR10)...
Detection of donor-specific HLA antibodies before and after removal of a rejected kidney transplantMarilyn Marrari
Division of Transplant Pathology and Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Thomas E Starzl Biomedical Science Tower, Room W1552, Pittsburgh, PA 15261, United States
Transpl Immunol 22:105-9. 2010..This understanding seems relevant to the determination of acceptable mismatches for patients considered for retransplantation...
Detection of antibodies against HLA-C epitopes in patients with rejected kidney transplantsRene J Duquesnoy
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
Transpl Immunol 24:164-71. 2011..HLA-C displays considerable amino acid polymorphism that can be translated into a structurally defined epitope repertoire...
A structurally based approach to determine HLA compatibility at the humoral immune levelRene J Duquesnoy
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15261, USA
Hum Immunol 67:847-62. 2006..The eplet version of HLAMatchmaker represents therefore a more complete repertoire of structurally defined HLA epitopes and provides a more detailed assessment of HLA compatibility...
Human leukocyte antigen epitope analysis to assess complement- and non-complement-binding donor-specific antibody repertoire in a pediatric heart transplant recipientAdriana Zeevi
University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
Hum Immunol 73:48-51. 2012..Our findings illustrate the usefulness of determining antibody specificities against epitopes using various Luminex-based assays...
Brief report: Why did two patients who type for HLA-B13 have antibodies that react with all Bw4 antigens except HLA-B13?Marilyn Marrari
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
Transpl Immunol 25:217-20. 2011..This finding is consistent with the concept that alloantibody responses originate from B-cells with self-HLA immunoglobulin receptors...
HLA mismatching increases the risk of BK virus nephropathy in renal transplant recipientsYehia Awadalla
Departments of Pathology and Biostatistics, University of Pittsburgh, Pittsburgh
Am J Transplant 4:1691-6. 2004..We propose that HLA mismatching promotes the development of BKV nephropathy through rejection-related inflammatory processes and heavy immunosuppression which cause virus reactivation and injury of the tubular epithelium...
Human leukocyte antigen class II antibodies and transplant outcomeRene J Duquesnoy
Division of Transplantation Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Transplantation 86:638-40. 2008
Structural epitope matching for HLA-alloimmunized thrombocytopenic patients: a new strategy to provide more effective platelet transfusion support?Rene J Duquesnoy
Division of Transplantation Pathology, Thomas E Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA
Transfusion 48:221-7. 2008..Although many blood banks are using this matching strategy, the general experience is that such matched PLT transfusions are often ineffective...
