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Planelles D, Vilches C, González-Escribano F, Muro M, González-Fernández R, Sánchez F, Gonzalo Ocejo J, Eiras A, Caro JL, Palou E, Campillo JA, de Juan MD, Montes O, Balas A, Marín L, Torío A, Fernández-Arquero M, González-Roiz C, López-Vázquez A, Cisneros E, Abad-Molina C, López R, Abad-Alastruey ML, Serra C, García-Alonso AM, Vicario JL. Report From the First and Second Spanish Killer Immunoglobulin-Like Receptor Genotyping Workshops: External Quality Control for Natural Killer Alloreactive Donor Selection in Haploidentical Stem Cell Transplantation. Transplant Proc 2017; 48:3043-3045. [PMID: 27932143 DOI: 10.1016/j.transproceed.2016.07.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 07/27/2016] [Indexed: 11/26/2022]
Abstract
An important factor affecting the success in the setting of related haploidentical hematopoietic stem cell transplantation (HSCT) is the graft-versus-leukemia effect mediated by natural killer (NK) cells when the donor displays NK alloreactivity versus the recipient. NK cell function is regulated by killer immunoglobulin-like receptors (KIR) and it has been described that donor KIR genotype influences transplantation outcome. This has led to a requirement of laboratories to have a quality assurance program for validation and control of their KIR genotyping methods. The goal of the 1st and 2nd Spanish KIR Genotyping Workshops was to provide an external proficiency testing program in KIR genotyping for Spanish immunology and transplant laboratories. These workshops were conducted during the years 2014-2016 and consisted of 17 participating laboratories typing a set of 20 samples. The presence/absence of 16 mandatory KIR loci (2DL1, 2DL2, 2DL3, 2DL4, 2DL5, 2DS1, 2DS2, 2DS3, 2DS4, 2DS5, 2DP1, 3DL1, 3DL2, 3DL3, 3DS1, and 3DP1) was evaluated per sample. Methods for KIR genotyping included polymerase chain reaction with the use of sequence-specific primers and sequence-specific oligoprobes. Consensus typing was reached in all samples, and the performance of laboratories in external proficiency testing was satisfactory in all cases. The polymorphism detected in the small sample studied in both workshops is indicative of an ample variety of KIR gene profiles in the Spanish population.
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Affiliation(s)
- D Planelles
- Histocompatibility, Centro de Transfusión de la Comunidad Valenciana, Valencia, Spain.
| | - C Vilches
- Immunogenetics and Histocompatibility, Instituto de Investigación Sanitaria Puerta de Hierro, Madrid, Spain
| | | | - M Muro
- Immunology, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | | | - F Sánchez
- Immunology, Hospital Universitario de Gran Canaria Dr Negrín, Las Palmas de Gran Canaria, Spain
| | - J Gonzalo Ocejo
- Immunology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - A Eiras
- Molecular Biology and Histocompatibility, Centro de Transfusión de Galicia, Santiago de Compostela, Spain
| | - J L Caro
- Histocompatibility and Immunogenetics, Banc de Sang i Teixits, Barcelona, Spain
| | - E Palou
- Immunology, Hospital Clínic Universitari, Barcelona, Spain
| | - J A Campillo
- Immunology, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - M D de Juan
- Immunology, Hospital Universitario Donostia, San Sebastián, Spain
| | - O Montes
- Immunology, Complejo Hospitalario Universitario Insular Materno-Infantil, Las Palmas de Gran Canaria, Spain
| | - A Balas
- Histocompatibility, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain
| | - L Marín
- Molecular Biology-Hematology, Hospital Clínico Universitario, Salamanca, Spain
| | - A Torío
- Immunology, Hospital Regional Universitario Carlos Haya, Málaga, Spain
| | | | - C González-Roiz
- Immunology and Genetics, Hospital Infanta Cristina, Badajoz, Spain
| | - A López-Vázquez
- Immunology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - E Cisneros
- Immunogenetics and Histocompatibility, Instituto de Investigación Sanitaria Puerta de Hierro, Madrid, Spain
| | - C Abad-Molina
- Immunology, Hospital Universitario Virgen del Rocío, Sevilla, Spain
| | - R López
- Immunology, Hospital Universitario de Gran Canaria Dr Negrín, Las Palmas de Gran Canaria, Spain
| | - M L Abad-Alastruey
- Molecular Biology and Histocompatibility, Centro de Transfusión de Galicia, Santiago de Compostela, Spain
| | - C Serra
- Immunology, Hospital Clínic Universitari, Barcelona, Spain
| | - A M García-Alonso
- Immunology, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - J L Vicario
- Histocompatibility, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain
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