WO2014065410A1 - Procédé et trousse pour le typage d'adn de gène hla - Google Patents

Procédé et trousse pour le typage d'adn de gène hla Download PDF

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WO2014065410A1
WO2014065410A1 PCT/JP2013/079007 JP2013079007W WO2014065410A1 WO 2014065410 A1 WO2014065410 A1 WO 2014065410A1 JP 2013079007 W JP2013079007 W JP 2013079007W WO 2014065410 A1 WO2014065410 A1 WO 2014065410A1
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hla
seq
gene
base sequence
sequence shown
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Japanese (ja)
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一善 細道
滋樹 光永
猪子 英俊
逸朗 井ノ上
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ジェノダイブファーマ株式会社
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6876Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • C12Q1/6881Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for tissue or cell typing, e.g. human leukocyte antigen [HLA] probes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q2600/00Oligonucleotides characterized by their use
    • C12Q2600/156Polymorphic or mutational markers

Definitions

  • the present invention relates to a method and kit for DNA typing of HLA genes using a massively parallel sequencer.
  • HLA Human leukocyte antigen
  • MHC histocompatibility complex
  • HLA class I antigen consists of ⁇ -chain showing high polymorphism and ⁇ 2-microglobulin with little polymorphism
  • HLA class II antigen is ⁇ -chain with high polymorphism and ⁇ with little polymorphism. Consists of chains. ⁇ chain of class I molecule is encoded by HLA-A, HLA-B and HLA-C genes
  • ⁇ chain of class II antigen is HLA-DRB1, HLA-DQB1, HLA-DPB1
  • ⁇ chain is HLA-DRA1 , HLA-DQA1, and HLA-DPA1 gene.
  • exon 2 and exon 3 of the gene encoding the ⁇ chain show high polymorphism in the HLA class I antigen, and exon 2 of the gene encoding the ⁇ chain in the HLA class II antigen is advanced. Show polymorphism.
  • the gene region encoding HLA is located in human chromosome 6 short arm 6p21.3, class I region (HLA-A, HLA-C, HLA-B, etc.) from the telomere side toward the centromere side, Class III region, class II region (HLA-DRA, HLA-DRB1, HLA-DQA1, HLA-DQB1, HLA-DPA1, HLA-DPB1, etc.) are arranged in this order, and many genes are encoded at very high density. The relationship between blood transfusion and transplantation and various diseases has been reported. There is no HLA gene in the class III region, and genes such as complement components and tumor necrosis factor (TNF) are present.
  • TNF tumor necrosis factor
  • HLA-DRB gene region encoding the ⁇ chain of the HLA-DR antigen.
  • pseudogenes such as HLA-DRB6 and HLA-DRB9 are located on the same chromosome in addition to HLA-DRB1.
  • HLA-DRB5 (DR51) gene and pseudogenes such as HLA-DRB6 and HLA-DRB9 are located on the same chromosome in addition to HLA-DRB1.
  • DR3 DR52
  • HLA-DRB2 HLA-DRB9
  • DR4 DR7 and DR9 types
  • pseudogenes such as HLA-DRB4 (DR53) gene
  • HLA-DRB7, HLA-DRB8 and HLA-DRB9 are located on the same chromosome.
  • DR8 type no HLA-DRB gene other than HLA-DRB1 is located on the same chromosome.
  • Each allele exon has a plurality of polymorphic regions, and the base sequence (amino acid sequence) of a polymorphic region is often common to a plurality of alleles. That is, each HLA allele is defined by a combination of multiple polymorphic regions. In the HLA class I antigen, exon 2 or exon 3 having the same base sequence as well as the polymorphic region in the exon may be common to a plurality of alleles.
  • HLA is known to have an extremely large number of alleles due to the presence of advanced polymorphisms, and their notation is also determined. That is, the first zone for discriminating serological HLA type (2 digit level), the second zone for discriminating alleles with amino acid substitution within the same serological HLA type (4 digit level), and no amino acid mutation The third zone (6 digit level) that discriminates alleles in which base substitution is recognized, and the fourth zone (8 digit level) that discriminates alleles with base substitution outside the gene region encoding the HLA molecule (intron). .
  • the conventional method is a DNA typing method using PCR centering on the exon region of each gene, it misses base substitution in the intron region and the promoter region, and as a result, the gene structure has other expression HLA. It was possible to miss the detection of a null allele that is not different from the gene but whose expression is suppressed.
  • An object of the present invention is to provide a highly accurate DNA typing method and kit that eliminates ambiguity derived from phase ambiguity.
  • the present invention provides an HLA DNA typing method including the following steps.
  • Primer sets sequences that specifically anneal to the upstream region and downstream region of each gene of HLA-A, HLA-B, HLA-C, HLA-DRB1, HLA-DPB1, and HLA-DQB1 in the human genome sequence
  • Preparing a pair of oligonucleotides comprising a base sequence shown in any of Nos. 1 to 12 Preparing a pair of oligonucleotides comprising a base sequence shown in any of Nos. 1 to 12;
  • PCR-amplifying a test sample (DNA) using the primer set (3) determining the base sequence of the PCR amplified product; and (4) performing a homology search with the database.
  • the method of the present invention provides the entire base sequence necessary for DNA typing of the 6-locus of the HLA gene from one molecule, so that the ultimate DNA typing in which phase ambiguity with unknown cis-trans positional relationship is eliminated Is the law. As a result, high-accuracy HLA matching between the transplant candidate and the donor candidate at the time of transplantation is realized. Since the entire nucleotide sequence of the gene including peripheral regions such as the promoter region, exon region, and intron region of the HLA gene is determined, it is possible to detect null alleles or novel alleles that are not expressed at all or whose expression is suppressed.
  • (A) It is a figure which shows the relationship between HLA class I gene structure and molecular structure.
  • (B) It is a figure which shows the structure of the promoter area
  • (A) It is a figure which shows the relationship between HLA class II gene structure and molecular structure.
  • (B) It is a figure which shows the structure of the promoter area
  • Primer set preparation step In the DNA typing method of the present invention, first, upstream of each gene of HLA-A, HLA-B, HLA-C, HLA-DRB1, HLA-DPB1, and HLA-DQB1 in the human genome sequence.
  • a primer set (a pair of oligonucleotides comprising a base sequence shown in any of SEQ ID NOs: 1 to 12) that specifically anneals to each of the region and the downstream region is prepared.
  • the genomic base sequence of human chromosome 6 (6p21.3) including the region where the HLA gene is present has already been elucidated, and the relationship between the gene structure and the structure of the expression product (HLA molecule) is also known (Fig. 1 and FIG. 2).
  • HLA-A, HLA-B and HLA-C which are called classical HLA class I molecules, contain 7 or 8 exons (FIG. 1 (a)).
  • HLA-A, HLA-B and HLA-C which are called classical HLA class I molecules, contain 7 or 8 exons (FIG. 1 (a)).
  • enhancers and promoter regions There are two types of enhancers and promoter regions, and expression is regulated (FIG. 1 (b)).
  • the conventional DNA typing method particularly performs PCR using primers prepared based on exons 2 and 3. As a result, the phase ambiguity problem has arisen as described above.
  • HLA-DR, HLA-DQ, and HLA-DP which are said to be classical HLA class II molecules, are composed of an ⁇ chain and a ⁇ chain, and each gene contains 5 or 6 exons (FIG. 2).
  • A) the promoter region is located outside exon 1, and expression is regulated (FIG. 2 (b)).
  • PCR using a primer prepared based on exon 2 is performed, and accordingly As mentioned above, there was a phase ambiguity problem.
  • the classical class I molecules HLA-A, HLA-B, HLA-C
  • all of the classical class II molecules HLA-DRB1, HLA-DPB1 and HLA-DQB1 gene regions (not only exons) Intron, 5 'and 3' untranslated regions, including a promoter region)
  • a primer set capable of PCR amplification is prepared, and PCR amplified PCR products are used for next-generation sequencing described below.
  • Uncertainties such as phase ambiguity can be eliminated, and the presence or absence of null allyl can be accurately detected.
  • PCR primer sets listed in Table 1 below are prepared.
  • SEQ ID NOs: 1 and 2 in Table 1 are PCR primer sets that specifically amplify the HLA-A gene, which is an MHC class I ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-A gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 1 is a forward primer having a nucleotide sequence corresponding to the 29,910,189th position to the 29,910,212th position from the telomere side in the HLA region of the human genome sequence.
  • SEQ ID NO: 2 is a reverse primer having a base sequence complementary to a base corresponding to the 29th, 913, 562th to 29th, 913, 586th from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of PCR products obtained using these primer sets is about 3,398 bases (bp).
  • SEQ ID NOs: 3 and 4 in Table 1 are PCR primer sets that specifically amplify the HLA-B gene, which is an MHC class I ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-B gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 3 is a forward primer having a base sequence corresponding to the 31,321,366th position to the 31,321,392rd position from the telomere side in the HLA region of the human genome base sequence.
  • SEQ ID NO: 4 is a reverse primer having a base sequence complementary to the bases corresponding to the 31st, 325th, 632rd to 31st, 325th, 661th positions from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of PCR products obtained using these primer sets is approximately 4,296 bases (bp).
  • SEQ ID NOs: 5 and 6 in Table 1 are PCR primer sets that specifically amplify the HLA-C gene, which is an MHC class I ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-C gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 5 is a forward primer having a base sequence corresponding to the 31st, 235, 959th to the 31st, 235, 982th from the telomere side in the HLA region of the human genome base sequence.
  • SEQ ID NO: 6 is a reverse primer having a base sequence complementary to the bases corresponding to the 31st, 240th, 373rd to 31st, 240th, 398th from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of PCR products obtained using these primer sets is about 4,440 bases (bp).
  • SEQ ID NOs: 7 and 8 in Table 1 are PCR primer sets that specifically amplify the HLA-DRB1 gene, which is an MHC class II ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-DRB1 gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 7 is a forward primer having a nucleotide sequence corresponding to the 32,546,220th position to the 32,546,247th position from the telomere side in the HLA region of the human genome sequence.
  • SEQ ID NO: 8 is a reverse primer having a base sequence complementary to the bases corresponding to the 32,558,090th position to the 32,558,118th position from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of PCR products obtained using these primer sets is approximately 11,899 bases (bp).
  • SEQ ID NOs: 9 and 10 in Table 1 are PCR primer sets that specifically amplify the HLA-DPB1 gene, which is an MHC class II ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-DPB1 gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 9 is a forward primer having a base sequence corresponding to the 33,042,795th to 33,042,823th from the telomere side in the HLA region of the human genome base sequence.
  • SEQ ID NO: 10 is a reverse primer having a base sequence complementary to the base corresponding to the 33,056,373rd position to the 33,056,399th position from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of the PCR product obtained using these primer sets is approximately 13,605 bases (bp).
  • SEQ ID NOs: 11 and 12 in Table 1 are PCR primer sets that specifically amplify the HLA-DQB1 gene, which is an MHC class II ⁇ chain. These primer sets are base sequences present at positions sandwiching the entire region of the HLA-DQB1 gene (including promoter, exon and intron) from the upstream side and the downstream side in the human genome base sequence (reference sequence: hg19).
  • SEQ ID NO: 11 is a forward primer having a nucleotide sequence corresponding to the 32,627,718th position to the 32,627,743th position from the telomere side in the HLA region of the human genome sequence.
  • SEQ ID NO: 12 is a reverse primer having a base sequence complementary to the base corresponding to the 32,634,812th position to the 32,634,835th position from the telomere side in the HLA region of the human genome sequence sequence.
  • the expected length of PCR products obtained using these primer sets is approximately 7,118 bases (bp).
  • primers can be prepared by a technique usually used in this field.
  • the primer set shown in Table 1 shows the most preferable example.
  • forward In the method of the present invention, forward (Forward) in which the entire region of each gene of HLA can be annealed at a position between the upstream side and the downstream side.
  • a set of a primer and a reverse primer those having 1 to several base substitutions, insertions or deletions in the base sequences shown in SEQ ID NOs: 1 to 12 can be similarly used.
  • the test sample (DNA) is PCR amplified using the primer set prepared in step (1).
  • the PCR amplification reaction is performed according to a normal protocol. Specifically, it is as follows. 1. DNA is extracted from the sample according to the form of the test sample. 2. The extracted DNA is quantified, and a primer solution is appropriately set to prepare a reaction solution. 3. Set the reaction conditions and perform the PCR reaction. Example: Thermal denaturation step (usually 92-97 ° C) Annealing step (usually 55-72 ° C) Elongation step (usually 65-80 ° C) 4). The obtained PCR product is purified and subjected to the next nucleotide sequencing step.
  • step (3) A base sequence determination step. Next, the base sequence of the PCR product (amplified DNA) generated in step (2) is determined. This step is preferably performed by using a so-called next-generation sequence (or ultra-high speed sequence). For the next-generation sequence, see, for example, “Experimental Medicine” Vol. 27, No. 1, 2009 (Yodosha).
  • a DNA library is prepared using a Nextera TM DNA sample preparation kit manufactured by Illumina and sequenced using a genome sequencer MiSeq system (Illumina).
  • the library can be prepared in a short time of about 90 minutes or less. Paired end analysis is preferably used for sequencing the resulting sample.
  • step (3) by comparing the base sequence obtained in step (3) with the data of the base sequence database of known HLA alleles, the allele type of the DNA contained in the test sample (Up to 8 digits) is determined.
  • the primer set described in Table 1 is used as a representative example. It is characterized in that primers are set at positions sandwiching the entire HLA class I and HLA class II gene regions, and the amplified DNA is sequenced over almost the entire region of each gene. Guity (uncertainty) can be eliminated and information on null allyl can be obtained. That is, the present invention also provides a kit for HLA genotyping comprising a primer comprising an oligonucleotide having the base sequence represented by SEQ ID NOs: 1-12.
  • PCR reaction was performed using each HLA gene-specific primer set (see Table 1) using the already extracted genomic DNA as a template.
  • the specific procedure is as follows.
  • (1) PCR amplification was performed using Prime STAR GXL polymerase (TaKaRa) with the following composition.
  • Genomic DNA solution (10 ng) 0.5 ⁇ L 5x PrimeSTAR GXL buffer 2 ⁇ L dNTP solution 0.8 ⁇ L Forward primer (5 pmol) 0.4 ⁇ L Reverse primer (5 pmol) 0.4 ⁇ L PrimeSTAR GXL polymerase 0.4 ⁇ L Sterile water 5.5 ⁇ L Total 10 ⁇ L
  • the base sequence of the PCR product was determined. Specifically, it was performed as follows. A DNA library was prepared from the resulting PCR amplification product using the Nextera TM DNA sample preparation kit (Illumina) and sequenced at 150 bp paired end using the MiSeq system (Illumina). Nextera TM DNA sample preparation kit can prepare DNA library in 90 minutes including reaction time by simultaneously performing DNA cleavage called tagmentation and insertion of tag sequence via Nextera transposome. It has the feature of becoming. Further, by using two types of indexes, a maximum of 96 types (Index 1: 8 types + Index 2: 12 types) of samples can be analyzed simultaneously. Another feature is that, unlike other next-generation sequencer DNA library preparations, the starting DNA requirement is only 50 ng.
  • the insert size of the prepared DNA library is as wide as 200 bp to 1 kb or more, which is a feature and merit of this method.
  • HLA typing is performed by data analysis. This data analysis is the most original point of this method.
  • the sequence reads obtained were mapped by BWA (Burrows-Wheeler Aligner) and SAMTools (Sequence Alignment / Map tool) against the reference sequence of each PCR amplification region to obtain analysis results as diplotypes, and Picard and Genome A base different from the reference sequence is detected by Analysis Toolkit (GATK).
  • BWA Brownrows-Wheeler Aligner
  • SAMTools Sequence Alignment / Map tool
  • the phases are classified based on the SNV only based on the pair information shown in the sequence read, and this phase is divided into 2 based on the SNV of the haplotype that is divided.
  • Two HLA gene sequences are generated.
  • one paired-end sequence lead needs to contain two or more SNVs.
  • the distance between two or more SNVs varies, but the HLA gene is very diverse and the insert size of the DNA library prepared with the Nextera TM DNA sample preparation kit is 200 bp to 1 kb or more.
  • the wide feature makes it possible to specify a phase containing two or more SNVs.
  • the confirmation of the SNV divided into phases and the phase of Indel are determined.
  • Indel detected in the first mapping result includes false positives, but in the second mapping, it is mapped to a base sequence having no SNV, so that Indel can be determined with certainty.
  • the two consensus sequences obtained in the second mapping are the sequences of the two HLA genes, and searching this in the IMGT / HLA database reveals whether the HLA allele is new or known. If the HLA allyl is known, the HLA allyl number can be obtained.
  • PCR primers that specifically amplify each of HLA-A, HLA-B, HLA-C, HLA-DRB1, HLA-DPB1, and HLA-DQB1 were designed, and PCR was performed under the conditions described above.
  • PCR amplification product was electrophoresed by agarose gel electrophoresis, a single amplification product was obtained at the position of the target molecular weight for each HLA gene (FIG. 4).
  • Table 2 shows the HLA allyl type determined using the method of the present invention and the HLA allyl type determined using the conventional SSO method for some of the samples employed. While the SSO method could only specify up to the 4-digit level, the method (Example) of the present invention could determine the allyl type in detail up to the 6-digit or 8-digit level.
  • the method of the present invention enables 8-digit level HLA typing without phase ambiguity, and efficiently detects base substitutions, insertions and deletions in promoters and introns that cause null alleles. It is considered an excellent tool.

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Abstract

L'objet de la présente invention est de fournir un procédé et une trousse pour le typage d'ADN hautement précis, qui permet d'éliminer l'ambiguïté issue d'une ambiguïté de phase. La solution selon l'invention comprend un procédé pour le typage d'ADN de HLA caractérisé en ce qu'il comprend : (1) une étape de préparation d'un ensemble d'amorces (SEQ ID NO: 1-12) spécifiquement pour s'hybrider respectivement à une région en amont et à une région en aval de chacun des gènes HLA-A, HLA-B, HLA-C, HLA-DRB1, HLA-DPB1 et HLA-DQB1, dans la séquence de base du génome humain ; (2) une étape visant à soumettre un échantillon de sujet (ADN) à une amplification par PCR à l'aide de l'ensemble d'amorces ; (3) une étape de détermination de la séquence de base d'un produit amplifié par PCR ; et (4) une étape de recherche d'homologie dans une base de donnée.
PCT/JP2013/079007 2012-10-26 2013-10-25 Procédé et trousse pour le typage d'adn de gène hla WO2014065410A1 (fr)

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CN106434863A (zh) * 2016-06-15 2017-02-22 广州医科大学附属第二医院 一种鉴定hla‑dqb1第2外显子单倍型的方法
EP3006571A4 (fr) * 2013-05-09 2017-02-22 Genodive Pharma Inc. Méthode et kit de typage multiplex de l'adn du gène hla
WO2018147438A1 (fr) * 2017-02-13 2018-08-16 国立大学法人京都大学 Ensemble d'amorces de pcr pour gène hla, et procédé de séquençage utilisant ledit ensemble d'amorces de pcr
EP3626835A1 (fr) 2018-09-18 2020-03-25 Sistemas Genómicos, S.L. Procédé pour identification génotypique des deux allèles d'au moins un locus du gène hla d'un sujet
WO2021191634A1 (fr) * 2020-03-27 2021-09-30 The University Of Birmingham Procédés, compositions et kits de typage hla
CN113755593A (zh) * 2021-09-23 2021-12-07 中南大学 检测HLA-A基因SNP标记rs1136697-G的PCR扩增引物、试剂盒及方法
WO2023060871A1 (fr) * 2021-10-15 2023-04-20 西安浩瑞基因技术有限公司 Amorce d'amplification du gène hla, kit, procédé d'établissement d'une banque de séquençage, et procédé de séquençage

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10711306B2 (en) 2013-05-09 2020-07-14 Genodive Pharma Inc. Method and kit for multiplex DNA typing of HLA gene
EP3006571A4 (fr) * 2013-05-09 2017-02-22 Genodive Pharma Inc. Méthode et kit de typage multiplex de l'adn du gène hla
CN106434863B (zh) * 2016-06-15 2021-04-23 广州医科大学附属第二医院 一种鉴定hla-dqb1第2外显子单倍型的方法
CN106434863A (zh) * 2016-06-15 2017-02-22 广州医科大学附属第二医院 一种鉴定hla‑dqb1第2外显子单倍型的方法
JP2018130036A (ja) * 2017-02-13 2018-08-23 国立大学法人京都大学 Hla遺伝子のpcrプライマーセット及びそれを用いたシークエンス法
CN110494562A (zh) * 2017-02-13 2019-11-22 国立大学法人京都大学 用于hla基因的pcr引物组和使用其的测序方法
EP3581652A4 (fr) * 2017-02-13 2021-03-10 Kyoto University Ensemble d'amorces de pcr pour gène hla, et procédé de séquençage utilisant ledit ensemble d'amorces de pcr
WO2018147438A1 (fr) * 2017-02-13 2018-08-16 国立大学法人京都大学 Ensemble d'amorces de pcr pour gène hla, et procédé de séquençage utilisant ledit ensemble d'amorces de pcr
EP3626835A1 (fr) 2018-09-18 2020-03-25 Sistemas Genómicos, S.L. Procédé pour identification génotypique des deux allèles d'au moins un locus du gène hla d'un sujet
WO2021191634A1 (fr) * 2020-03-27 2021-09-30 The University Of Birmingham Procédés, compositions et kits de typage hla
CN113755593A (zh) * 2021-09-23 2021-12-07 中南大学 检测HLA-A基因SNP标记rs1136697-G的PCR扩增引物、试剂盒及方法
CN113755593B (zh) * 2021-09-23 2024-02-20 中南大学 检测HLA-A基因SNP标记rs1136697-G的PCR扩增引物、试剂盒及方法
WO2023060871A1 (fr) * 2021-10-15 2023-04-20 西安浩瑞基因技术有限公司 Amorce d'amplification du gène hla, kit, procédé d'établissement d'une banque de séquençage, et procédé de séquençage

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