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Quirino MG, Neto QADL, Zacarias JMV, Góis KS, Maria Sell A, Visentainer JEL. Low-cost molecular methodology for blood group antigens identification and genotyping contribution to transfusion efficacy in multiple transfused patients. Expert Rev Mol Diagn 2022; 22:1-9. [PMID: 36333936 DOI: 10.1080/14737159.2022.2144236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 11/02/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Blood transfusions usually result in the production of alloantibodies, complicating subsequent transfusions. Many blood group systems, in addition to ABO and Rh, can lead to the production of irregular antibodies in multiple transfused patients. OBJECTIVES The aim of this work was to standardize a molecular biology methodology for identified some alleles of KEL, FY, JK and DI blood group system; the transfusion efficacy of chronically transfused patients with phenotype-matched blood was also evaluated. METHODS A PCR-SSP was developed and validated using Sanger sequencing. The genotype and frequencies of 141 multiple transfused patients treated at blood banks of Maringá were compared with the blood donor's population to assess the availability of compatible blood bags. The clinical history of 29 patients on a phenotype-compatible transfusion regimen was followed to assess pre- and post-genotyping alloimmunization. RESULTS The PCR-SSP was effective in identifying the genotypes under study. Significant differences were observed in genotype and allele frequencies for FY and JK. Compatible bags were identified for all patients. Most patients (93.1%) did not develop new alloantibodies after erythrocyte genotyping. CONCLUSION Erythrocyte genotyping proved to be important both in the search for positive blood bags for rare alleles and in the prevention of alloimmunization.
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Affiliation(s)
| | - Quirino Alves de Lima Neto
- Department of Clinical Analysis and Biomedicine, Maringá State University, Maringá, Brazil
- Department of Basic Health Sciences, State University of Maringá, Maringá, Brazil
| | - Joana Maira Valentini Zacarias
- Department of Clinical Analysis and Biomedicine, Maringá State University, Maringá, Brazil
- Department of Basic Health Sciences, State University of Maringá, Maringá, Brazil
| | - Kelly Silvério Góis
- Department of Clinical Analysis and Biomedicine, Maringá State University, Maringá, Brazil
| | - Ana Maria Sell
- Department of Clinical Analysis and Biomedicine, Maringá State University, Maringá, Brazil
| | - Jeane Eliete Laguila Visentainer
- Department of Clinical Analysis and Biomedicine, Maringá State University, Maringá, Brazil
- Department of Basic Health Sciences, State University of Maringá, Maringá, Brazil
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Villiers L, Caspar Y, Marche H, Boccoz S, Maurin M, Marche P, Morand P, Marquette C, Corgier B. ReSynPlex: Respiratory Syndrome Linked Pathogens Multiplex Detection and Characterization. Ing Rech Biomed 2018. [DOI: 10.1016/j.irbm.2018.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Boccoz SA, Fouret J, Roche M, Lachuer J, Legras-Lachuer C, Corgier BP, Marquette CA. Massively parallel and multiplex blood group genotyping using next-generation-sequencing. Clin Biochem 2018; 60:71-76. [PMID: 30092181 DOI: 10.1016/j.clinbiochem.2018.07.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/18/2018] [Accepted: 07/23/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Thirty-six blood group systems are listed by the International Society of Blood Transfusion, containing almost 350 antigens. Most of these result from a single nucleotide polymorphism (SNP). Serology is the standard method for blood group typing. However, this technique has some limitations and cannot respond to the growing demand of blood product typing for a large number of antigens. Here we describe a blood group genotyping assay directly from whole blood samples using Next-Generation Sequencing (NGS), allowing the simultaneous identification of 15 SNPs associated with the blood group systems of 95 patients in a single run. DESIGN AND METHOD After an automated DNA extraction, targets are amplified by multiplex polymerase chain reaction (PCRm). Two panels addressing 9 groups have been developed (MNS, Lutheran, Kell, Duffy, Kidd, Diego, Yt, Dombrock, and Colton), one for 8 SNPs, the other for 7 SNPs. For each sample, both panels corresponding to 14 amplicons (1 amplicon containing 2 SNPs) are pooled. Then a dual-indexed library is generated from each pool by linking Illumina adaptors directly onto amplicons, followed by sequencing using the MiSeq platform (Illumina). RESULTS In a single experiment, 95 blood donor samples have been sequenced for the genes of interest. Among the 1425 targeted single nucleotide polymorphisms, 1420 were identified by sequencing, reflecting a coverage of 99.65%. The obtained data shows a good correlation (99% for all SNPs) with other blood group typing methods. Depending on the allele pairs analyzed, correlations vary between 97.12 and 100%. CONCLUSION Next-Generation sequencing would supplement serological and molecular techniques and, in the near future, could replace it with complete and fast results acquisition for pre-screening and identification of rare blood bags.
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Affiliation(s)
| | - Julien Fouret
- ViroScan3D SAS, 11 allée des acacias, 01600 Trévoux, France; CIRI, Centre International de Recherche en Infectiologie, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Université Lyon, Hospices Civils de Lyon, Lyon, France
| | - Magali Roche
- ViroScan3D SAS, 11 allée des acacias, 01600 Trévoux, France
| | - Joël Lachuer
- ProfileXpert SFR-Santé Lyon Est, UCBL UMS, 3453 CNRS-US7 INSERM, Lyon, France; Université de Lyon, Université Claude Bernard Lyon1, 43, Bd du 11 novembre 1918, 69622 Villeurbanne cedex, France; CRCL Cancer Research center of LYON, INSERM U1052, CNRS UMR5286, Centre Lyon Bérard, Lyon, France
| | - Catherine Legras-Lachuer
- ViroScan3D SAS, 11 allée des acacias, 01600 Trévoux, France; Université de Lyon, Université Claude Bernard Lyon1, 43, Bd du 11 novembre 1918, 69622 Villeurbanne cedex, France; Ecologie Microbienne, CNRS UMR5557, Université Claude Bernard Lyon 1, Lyon, France
| | | | - Christophe A Marquette
- AXO Science SAS, 66 Bd Niels Bohr CEI 1, 69100 Villeurbanne, France; Univ Lyon, Université Lyon1CNRS, INSA, CPE-Lyon, ICBMS, UMR 5246, 43, Bd du 11 novembre 1918, 69622 Villeurbanne cedex, France
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Sillence KA, Halawani AJ, Tounsi WA, Clarke KA, Kiernan M, Madgett TE, Avent ND. Rapid RHD Zygosity Determination Using Digital PCR. Clin Chem 2017; 63:1388-1397. [PMID: 28615230 DOI: 10.1373/clinchem.2016.268698] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 04/27/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND Paternal zygosity testing is used for determining homo- or hemizygosity of RHD in pregnancies that are at a risk of hemolytic disease of the fetus and newborn. At present, this is achieved by using real-time PCR or the Rhesus box PCR, which can be difficult to interpret and unreliable, particularly for black African populations. METHODS DNA samples extracted from 53 blood donors were analyzed using 2 multiplex reactions for RHD-specific targets against a reference (AGO1)2 to determine gene dosage by digital PCR. Results were compared with serological data, and the correct genotype for 2 discordant results was determined by long-range PCR (LR-PCR), next-generation sequencing, and conventional Sanger sequencing. RESULTS The results showed clear and reliable determination of RHD zygosity using digital PCR and revealed that 4 samples did not match the serologically predicted genotype. Sanger sequencing and long-range PCR followed by next-generation sequencing revealed that the correct genotypes for samples 729M and 351D, which were serologically typed as R1R2 (DCe/DcE), were R2r' (DcE/dCe) for 729M and R1r″ (DCe/dcE), R0ry (Dce/dCE), or RZr (DCE/dce) for 351D, in concordance with the digital PCR data. CONCLUSIONS Digital PCR provides a highly accurate method to rapidly define blood group zygosity and has clinical application in the analysis of Rh phenotyped or genotyped samples. The vast majority of current blood group genotyping platforms are not designed to define zygosity, and thus, this technique may be used to define paternal RH zygosity in pregnancies that are at a risk of hemolytic disease of the fetus and newborn and can distinguish between homo- and hemizygous RHD-positive individuals.
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Affiliation(s)
- Kelly A Sillence
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
| | - Amr J Halawani
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
| | - Wajnat A Tounsi
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
| | - Kirsty A Clarke
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
| | - Michele Kiernan
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
| | - Tracey E Madgett
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK.
| | - Neil D Avent
- School of Biomedical and Healthcare Sciences, Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth, UK
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A preliminary evaluation of next-generation sequencing as a screening tool for targeted genotyping of erythrocyte and platelet antigens in blood donors. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2017; 16:285-292. [PMID: 28287381 DOI: 10.2450/2017.0253-16] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 11/16/2016] [Indexed: 01/11/2023]
Abstract
BACKGROUND Matching the compatibility of donor blood with the recipient's antigens prevents alloimmunisation. Next-generation sequencing (NGS) technology is a promising method for extensive blood group and platelet antigen genotyping of blood donors. It circumvents the limitations of detecting known alleles based on predefined polymorphisms and enables targeted sequencing on a massive scale. The aim of this study was to evaluate the NGS AmpliSeq application on the Ion Torrent platform as a screening tool for genotyping blood donors' erythrocyte/platelet antigens. MATERIALS AND METHODS Primers for regions encoding antigens RhD (exons 5, 7), Rhc, RhE/e, Fya/b, Jka/b, M/N, S/s, HPA-1, 2, 3, 5, 15 were designed with Ion AmpliSeq Designer with manual inclusion of RHCE*C primers. DNA libraries of 57 regular blood donors with determined phenotype/genotype (prepared using the Ion AmpliSeq Library Kit and 14 primer pairs) were sequenced on the Ion Torrent PGM using 316v2 chips and 200 bp chemistry. RESULTS Sequencing was successful in all but the MN and HPA-5 regions. Mean sequencing coverage in one experiment was 4,606 reads, except for the RHCE*C region (mean 568 reads). NGS results agreed with the known phenotype/genotype of donors except in one phenotypically Fy(a+b-) case in whom FY*A/FY*B alleles were found. Reading rates for homozygotes were 97-100%, while they were around 50% for heterozygotes. NGS of RHD regions led to identification of mutations in two RhD negative donors. DISCUSSION NGS can be performed as a screening test to determine erythrocyte/platelet antigens in blood donors. This method allowed testing of 48 donors for 14 features (200 bp long) with the depth of a few thousand reads simultaneously, and the estimation of natural chimerism or hemi/homozygotic status. NGS screening can be adjusted to the genetic background of a given tested population.
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Abstract
The clinical importance of blood group antigens relates to their ability to evoke immune antibodies that are capable of causing hemolysis. The most important antigens for safe transfusion are ABO and D (Rh), and typing for these antigens is routinely performed for patients awaiting transfusion, prenatal patients, and blood donors. Typing for other blood group antigens, typically of the Kell, Duffy, Kidd, and MNS blood groups, is sometimes necessary, for patients who have, or are likely to develop antibodies to these antigens. The most commonly used typing method is serological typing, based on hemagglutination reactions against specific antisera. This method is generally reliable and practical for routine use, but it has certain drawbacks. In recent years, molecular typing has emerged as an alternative or supplemental typing method. It is based on detecting the polymorphisms and mutations that control the expression of blood group antigens, and using this information to predict the probable antigen type. Molecular typing methods are useful when traditional serological typing methods cannot be used, as when a patient has been transfused and the sample is contaminated with red blood cells from the transfused blood component. Moreover, molecular typing methods can precisely identify clinically significant variant antigens that cannot be distinguished by serological typing; this capability has been exploited for the resolution of typing discrepancies and shows promise for the improved transfusion management of patients with sickle cell anemia. Despite its advantages, molecular typing has certain limitations, and it should be used in conjunction with serological methods.
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