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Related Experiment Video

Updated: Apr 6, 2026

qKAT: Quantitative Semi-automated Typing of Killer-cell Immunoglobulin-like Receptor Genes
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An Improved Method With High Specificity for KIR2DL1 Functional Allele Typing.

Rafijul Bari1, Sarah Schell1, MaCal Tuggle1

  • 1Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, Tennessee.

Laboratory Medicine
|July 23, 2015
PubMed
Summary

Accurate killer-cell immunoglobulin-like receptor (KIR) typing is crucial. A new, highly specific polymerase chain reaction with sequence-specific primers (PCR-SSP) assay improves KIR2DL1 allele identification for high-throughput analysis.

Keywords:
KIR polymorphismKIR2DL1 allelotypingKIRs genotypingkiller-cell immunoglobulin-like receptor (KIR)natural killer (NK) cellsingle nucleotide polymorphism (SNP) assay

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Area of Science:

  • Immunogenetics
  • Molecular Biology
  • High-Throughput Screening

Background:

  • Accurate killer-cell immunoglobulin-like receptor (KIR) typing is essential for understanding immune responses.
  • Discovering new KIR alleles presents challenges in maintaining typing sensitivity and specificity.
  • Existing single nucleotide polymorphism assays for KIR2DL1 alleles require improvement.

Purpose of the Study:

  • To develop a more sensitive and specific assay for functional killer-cell immunoglobulin-like receptor (KIR)2DL1 allele typing.
  • To enhance the accuracy of KIR typing in the face of novel allele discovery.
  • To establish a high-throughput method for KIR2DL1 allele identification.

Main Methods:

  • Development of sequence-specific primers to amplify the transmembrane domain of all known KIR2DL1 alleles.
  • Utilizing polymerase chain reaction with sequence-specific primers (PCR-SSP) for selective amplification.
  • Employing PCR products as templates in a revised KIR2DL1 functional allele-typing assay.

Main Results:

  • The modified assay demonstrates high specificity in identifying functional KIR2DL1 alleles.
  • Sequence-specific primers effectively target and amplify diverse KIR2DL1 alleles.
  • The method is suitable for high-throughput KIR typing applications.

Conclusions:

  • This improved PCR-SSP method offers enhanced specificity and sensitivity for KIR2DL1 allele typing.
  • The assay facilitates accurate and efficient high-throughput analysis of KIR genetics.
  • This advancement aids in the ongoing characterization of KIR diversity and function.