Search Results - "Luu, Bernadette W."
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Quantitative HLA‐class‐II/factor VIII (FVIII) peptidomic variation in dendritic cells correlates with the immunogenic potential of therapeutic FVIII proteins in hemophilia A
Published in Journal of thrombosis and haemostasis (01-01-2020)“…Background Plasma‐derived (pd) or recombinant (r) therapeutic factor VIII proteins (FVIIIs) are infused to arrest/prevent bleeding in patients with hemophilia…”
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Peptides identified on monocyte-derived dendritic cells: a marker for clinical immunogenicity to FVIII products
Published in Blood advances (14-05-2019)“…The immunogenicity of protein therapeutics is an important safety and efficacy concern during drug development and regulation. Strategies to identify…”
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Gene-Centric Association Scans of Pleiotropic Immune-Mediated Disease Genes in the PATH Study Identify Novel Determinants of Factor VIII Inhibitor Risk in Hemophilia-A Patients and Confirm Race as an Independent Predictor
Published in Blood (02-11-2023)“…Hemophilia-A (HA) is caused by heterogeneous loss-of-function factor (F) VIII gene ( F8) mutations and deficiencies in plasma FVIII coagulant activity…”
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Results from an Association-Scan of the Extended MHC-Class-II Region Using Novel Association-Based Statistical Methods Establish That DQ Allotypes and Race Independently Influence the Risk of Factor VIII Inhibitor Development in Hemophilia-A Patients
Published in Blood (02-11-2023)“…Hemophilia-A (HA) is caused by heterogeneous factor (F) VIII gene ( F8) mutations, variably deficient plasma FVIII activity and reduced to absent…”
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The G505A Nonsynonymous Single-Nucleotide Polymorphism (SNP) in TAFI, the Gene Encoding Thrombin-Activatable Fibrinolysis Inhibitor (TAFI) Is Pleiotropically Associated with TAFI Antigen Levels and Coronary Heart Disease (CHD) in Mexican Americans of South Texas
Published in Blood (23-11-2021)“…Studies have reported that the G505A nonsynonymous (ns)-SNP encoding the Ala147Thr amino acid substitution in TAFI, is associated with a reduction in risk of…”
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The Factor II (FII) Expression Quantitative Trait Locus (eQTL) Prothrombin G20210A Is Pleiotropically Associated with Plasma Fibrinogen Levels and Has a Profound Effect on Obesity in Mexican Americans of South Texas
Published in Blood (23-11-2021)“…The literature on risk factors for venous thromboembolism (VTE) is replete with complex combinations of genetic and environmental determinants. Here we apply…”
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The Dendritic Cell HLA-Class-II/Therapeutic Factor VIII (FVIII) Peptidome Is Influenced in Unanticipated Ways By the B-Domain of FVIII and the FVIII Chaperon Protein, Von Willebrand Factor: The Outrigger and Glycosylation-Umbrella (GUMB) Hypotheses
Published in Blood (13-11-2019)“…Background: Patients with the X-linked bleeding disorder hemophilia A have impaired blood clotting due to deficient or absent factor VIII (FVIII) coagulant…”
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N-Linked Glycans on Therapeutic Factor VIII (FVIII) Proteins Attenuate Immunogenicity Potential: Evidence from Independent HLA-Class-II/FVIII (HLAcII/FVIII) Peptidomes
Published in Blood (05-11-2020)“…The role played by N-linked glycans (NLGs) in the immunogenicity of therapeutic Factor VIII (tFVIII) proteins is poorly understood. Our study addresses this…”
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Specific Correction of the Intron-22 Inverted Factor VIII Gene in Autologous Blood Outgrowth Endothelial Cells from Patients with Severe Hemophilia A
Published in Blood (05-11-2020)“…A heterogeneous collection of >1500 distinct causative factor (F) VIII gene (F8) mutations have been identified thus far in unrelated severe Hemophilia A (HA)…”
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Disentangling the Effects of HLA DRB115:01 and DQB106:02 to Establish the True HLA Risk Allele for Inhibitor Development in the Treatment of Hemophilia A
Published in Blood (05-11-2020)“…The HLA haplotype DRB1*15:01/DQB1*06:02 has been shown to be associated with the development of inhibitory antibodies (“inhibitors”) against therapeutic FVIII…”
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The Role of Class II Human Leukocyte Antigens (cII-HLAs) in Determining the Immunogenic Potential of Therapeutic Factor VIII Proteins in Hemophilia Patients: The “Gate Keeper” Hypothesis
Published in Blood (29-11-2018)“…The development of neutralizing antibodies-termed “inhibitors”-to infused therapeutic (t) factor VIII proteins (tFVIIIs) is the most serious obstacle to…”
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Genetics of Factor VIII Inhibitor Development in Hemophilia Patients: Novel Statistical Approaches in the PATH Study
Published in Blood (29-11-2018)“…Here we apply state-of-the-art statistical genetic approaches toward investigating the genetic architecture of factor VIII (FVIII) inhibitor (FEI) development…”
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On the Role of F8 Sequence Mismatch and Class-II Human Leukocyte Antigen Binding in the Development of Neutralizing Antibodies (“Inhibitors”) Directed Against Therapeutic Factor VIII Proteins (tFVIIIs): Evidence from the PATH Study
Published in Blood (13-11-2019)“…The development of inhibitors against tFVIIIs represents a serious impediment to efficacious management of bleeding episodes in patients with hemophilia A…”
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A Novel Biomarker for Inhibitor Risk Prediction-the HLA-II Bound and Unbound Components of FVIII Derived Peptides-Reveals a Protective Influence for N-Linked Glycosylation
Published in Blood (03-12-2015)“…Introduction: Factor (F)VIII immunogenicity is the main obstacle to both successfully treating hemophilia and receiving FDA approval for new therapeutics…”
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Characterization of the HLA-Class-II (HLAcII)/Therapeutic Factor VIII (FVIII)-Derived Peptidome By FVIII Domain and HLAcII Isomer
Published in Blood (08-12-2017)“…Background: Hemophilia A (HA) is caused by F8 mutations and resultant plasma deficiencies in FVIII activity. While bleeding can be arrested by infusing…”
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P059 Analysis of HLAcII peptidomes presented by dendritic cells (DCs) from healthy donors and hemophilia-A (HA) patients with or without factor VIII (FVIII) inhibitors after ex vivo administration of different therapeutic FVIII proteins (tFVIIIs)
Published in Human immunology (01-10-2018)“…T cells specific for tFVIIIs in HA patients can induce neutralizing FVIII antibodies called inhibitors. DCs that present tFVIII derived peptides in their…”
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