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Jean-Denis Bignon

Researcher at University of Nantes

Publications -  60
Citations -  2341

Jean-Denis Bignon is an academic researcher from University of Nantes. The author has contributed to research in topics: Human leukocyte antigen & Transplantation. The author has an hindex of 23, co-authored 60 publications receiving 2261 citations.

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Mutations in the cationic trypsinogen gene and evidence for genetic heterogeneity in hereditary pancreatitis

TL;DR: The findings confirm the implication of the cationic trypsinogen gene in HP and highlight allelic diversity associated with this phenotype and show that the pattern of inheritance of HP is probably complex and that other genes may be involved in this genetic disease.
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The Hereditary Pancreatitis Gene Maps to Long Arm of Chromosome 7

TL;DR: A large French family from a four-generation kindred with HP has been examined and a genome segregation analysis of highly informative microsatellite markers has been performed, indicating the most likely order for the Hereditary Pancreatitis Gene (HPG) is D7S 640-D 7S 495-D7S 684-D8S 661-D9S 676-D6S 688, with the HP gene situated in the underlined region.
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HLA Association with Hematopoietic Stem Cell Transplantation Outcome: The Number of Mismatches at HLA-A, -B, -C, -DRB1, or -DQB1 Is Strongly Associated with Overall Survival

TL;DR: negative effects of HLA mismatching for either HLA-A, -B, -C, -DRB1, or -DQB1 loci on survival are demonstrated, and "Missing killer cell immunoglobulin-like receptor (KIR) ligand" evaluated on the presence of Hla-C2, and Bw4 groups in the recipients was not associated with aGVHD, survival, and relapse in this cohort of non-T cell-depleted HS
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HLA-DRw52a is involved in alloimmunization against PL-A1 antigen.

TL;DR: The 18 immunized mothers studied here by restriction fragment length polymorphism analysis had the DRw52a specificity at the DRb3 locus whatever their HLA-DRB1 gene product, which strongly suggests that the DRB3 chain is directly involved in the presentation of the PL-A1 antigen to the specific T cell.