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Cargou M, Ralazamahaleo M, Blouin L, Top I, Elsermans V, Andreani M, Guidicelli G, Visentin J. Evaluation of the AllType kit for HLA typing using the Ion Torrent S5 XL platform. HLA 2019; 95:30-39. [DOI: 10.1111/tan.13708] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 09/04/2019] [Accepted: 09/20/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Marine Cargou
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique Hôpital Pellegrin Bordeaux France
- Immuno ConcEpT Bordeaux France
- Université de Bordeaux Bordeaux France
| | - Mamy Ralazamahaleo
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique Hôpital Pellegrin Bordeaux France
| | - Laura Blouin
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique Hôpital Pellegrin Bordeaux France
| | - Isabelle Top
- CHRU de Lille, Institut d'Immunologie‐HLA Lille France
| | | | - Marco Andreani
- Laboratorio d'Immunogenetica dei Trapianti IRCCS Ospedale Pediatrico Bambino Gesù Roma Italy
| | - Gwendaline Guidicelli
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique Hôpital Pellegrin Bordeaux France
| | - Jonathan Visentin
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique Hôpital Pellegrin Bordeaux France
- Immuno ConcEpT Bordeaux France
- Université de Bordeaux Bordeaux France
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Alcazer V, Peffault de Latour R, Ader F, Labussière-Wallet H. [Graft failure after allogeneic hematopoietic stem cell transplantation: Definition and risk factors]. Bull Cancer 2019; 106:574-583. [PMID: 31060736 DOI: 10.1016/j.bulcan.2019.03.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 03/02/2019] [Accepted: 03/07/2019] [Indexed: 11/25/2022]
Abstract
Allogeneic hematopoietic stem cell transplantation is the only curative therapy for numerous malignant and non-malignant haematological diseases. A sustained engraftment of the donor stem cells is essential for transplant success and overall outcome. Graft failure is a rare but severe event after allogeneic hematopoietic stem cell transplantation. While different risk factors such as underlying disease, graft source or HLA matching have been found to be consistently associated with graft failure, other factors such as ABO mismatch graft-versus-host disease prophylaxis or infections, particularly viral reactivations, are more controversial. In this article, we review the different factors associated with graft failure.
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Affiliation(s)
- Vincent Alcazer
- Hospices civils de Lyon, département d'hématologie clinique, 165, chemin du Grand-Revoyet, 69310 Pierre-Bénite, France; Centre de recherche en cancérologie de Lyon, Inserm U1052/CNRS 5286, 69008 Lyon, France.
| | - Régis Peffault de Latour
- Assistance publique-hôpitaux de Paris, hôpital Saint-Louis, service d'hématologie-greffe, 75006 Paris, France; Université Paris Diderot, 75007 Paris, France
| | - Florence Ader
- Hospices civils de Lyon, service des maladies infectieuses, 69004 Lyon, France; Centre international de recherche en infectiologie, Inserm U1111, CNRS 5308, 69008 Lyon, France
| | - Hélène Labussière-Wallet
- Hospices civils de Lyon, département d'hématologie clinique, 165, chemin du Grand-Revoyet, 69310 Pierre-Bénite, France
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Bouthemy C, Ralazamahaleo M, Jollet I, Filloux M, Visentin J, Guidicelli G. Improvement in HLA-typing by new sequence-specific oligonucleotides kits for HLA-A, -B, and -DRB1 loci. HLA 2018; 92:279-287. [PMID: 30129271 DOI: 10.1111/tan.13382] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/16/2018] [Indexed: 12/18/2022]
Abstract
Polymerase chain reaction sequence-specific oligonucleotide is commonly used for HLA-typing. We replaced our LabType SSO HD (HD) kits with LabType SSO XR (XR) kits (One Lambda, Inc., Canoga Park, California) for HLA-A, -B, and -DRB1 following acquisition of a LABScan3D analyzer. The XR kits have more bead regions than the HD kits, allowing for an extended number of probes and exon coverage. They are claimed to improve typing resolution and to diminish the number of allele ambiguities, including common and well-documented (CWD) and null alleles to be resolved. We retrospectively selected patients who had their first HLA-typing performed with the HD kits and their second determination with the XR kits between 2015 and 2016. Forty-two patients were selected for HLA-A typing comparison, and 48 for HLA-B and 41 for HLA-DRB1. XR kits significantly decreased the number of allele ambiguities for HLA-A and -B. On the other hand, the improvement was limited for the HLA-DRB1 locus. The XR kits did not resolve all the CWD HLA allele ambiguities, which may be important for organ and/or hematopoietic stem cell transplantations. The XR kits eliminated 88%, 62%, and 27% of null allele ambiguities for HLA-A, -B, and -DRB1 loci, respectively. In conclusion, the XR kits allow for a significant improvement of HLA-typing resolution for HLA-A and -B loci in comparison with HD kits. In contrast, the number of oligonucleotides in the XR HLA-DRB1 kit should be extended to include exon 3 at the very least. It could also be interesting to include oligonucleotides allowing HLA-DRB3, 4, and 5 typing.
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Affiliation(s)
- Charlène Bouthemy
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique, Hôpital Pellegrin, Bordeaux, France.,Université de Bordeaux, Bordeaux, France
| | - Mamy Ralazamahaleo
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique, Hôpital Pellegrin, Bordeaux, France
| | - Isabelle Jollet
- Etablissement Français du Sang Nouvelle Aquitaine, Laboratoire HLA, Poitiers, France
| | - Matthieu Filloux
- CHU de Limoges, Laboratoire d'Immunologie et Immunogénétique, Limoges, France.,Contrôle de la Réponse Immune B et Lymphoproliférations (CRIBL), UMR CNRS 7276-INSERM U 1262, Centre de Biologie et de Recherches en Santé, Limoges, France
| | - Jonathan Visentin
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique, Hôpital Pellegrin, Bordeaux, France.,Université de Bordeaux, Bordeaux, France.,Immuno ConcEpT, UMR CNRS 5164, Bordeaux, France
| | - Gwendaline Guidicelli
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique, Hôpital Pellegrin, Bordeaux, France
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What compatibility in 2017 for the haematopoietic stem cell transplantation? Transfus Clin Biol 2017; 24:124-130. [PMID: 28709842 DOI: 10.1016/j.tracli.2017.06.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 06/02/2017] [Indexed: 12/25/2022]
Abstract
The diversification of potential donors to perform stem cell allografts now enables to propose a compatible graft cell source adapted to the different clinical situations. Transplants with a geno-identical sibling donor, otherwise with the most HLA-compatible unrelated donor, remain the first-line solutions. Alternative transplants allow to graft patients having no donors in international registries, owing to the rarity of their HLA typing. They are carried out with fairly incompatible grafts and are therefore limited by the existence in the recipient of preformed anti-HLA antibodies which predispose to their rejection. The simple prevention of acute Graft-versus-host disease in haplo-identical transplants, as well as the availability of donors, explain why they have very often replaced placental stem cell transplants. These latter remain useful for pediatric patients or in the absence of family donors.
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