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Formerly Journal of Turgut Ozal Medical Center

  • Annals of Medical Research



    Annals of Medical Research International Monthly Published Medical Journal

  • Annals of Medical Research

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  • Annals of Medical Research
  • Annals of Medical Research
  • Annals of Medical Research
  • Annals of Medical Research

Dear Annals of Medical Research Readers

As of the end of March 2021, I have started to work as Chief Editor at Annals of Medical Research. Our journal is the official publication of Inonu University Medical Faculty and published uninterruptedly for 28 years.  Our Journal, which is online as an open access journal with monthly free access, is being scanned in many national and international indexes (ULAKBIM TR Dizin, Turkish Medline, EBSCO, Google Scholar, etc.). I would like to thank the Editors before me who contributed to this level. Our primary goal is to ensure the maintenance of this good state of the journal and to ensure that it is scanned in prestigious international indexes (Pubmed Central, SCI-Expended, etc.). In order to achieve these goals, it depends on the original research articles that can be cited and the articles published in our Journal to be cited sufficiently in other international journals. The contributions of our readers, reviewers and authors in achieving this goal are of great importance.

I hope to announce the news that we have reached our goals as soon as possible.

MD. Prof. Nevzat Erdil

Editor-in-Chief

Annals of Medical Research

 

False negative results in luminex panel reactive antibody identification assay: Should we be alert on them? (p.471-5)

False negative results in luminex panel reactive antibody identification assay: Should we be alert on them? (p.471-5)

Zeynal Mete Karaca1, Veysel Ersan2, Basak Kayhan3, Sezai Yilmaz2
1Department of Medical Biology and Genetics, Faculty of Medicine, Inonu University, Malatya, Turkey
2Department of General Surgery, Liver Transplantation Institute, Faculty of Medicine, Inonu University, Malatya, Turkey
3Department of Medical Biology and Genetics, Faculty of Medicine, Inonu University, Malatya, Turkey
Copyright@Author(s) - Available online at www.annalsmedres.org
Content of this journal is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Abstract

Aim: Panel Reactive Antibodies (PRA) analysis is important not only in virtual cross-match of donors and recipients but also in follow-up of recipients immune response after transplantation. Although bead based tests give faster and more reliable, it may have false positive and negative results. We investigated HLA groups of patients with false negative results and the frequencies of anti-HLA antibodies in all three false negative situations.
Materials and Methods: PRA results of all patients were divided into 3 groups according to negative controls and samples results. First one is negative controls were false negative and samples were false negative (1st Situation); second one is negative controls were false negative but samples were true negative (2nd Situation); third one is negative controls were true negative but samples were false negative (3rd Situation). All serum samples were tested by bead based Luminex assay.
Results: While anti-HLA-A68, A24, A32 were the most frequent antibodies for the first situation, anti-HLA-A03,24,32 were the most frequent three antibodies for the second situation. In case of anti-HLA-B antibodies; anti-HLA-B38, B44, B48 were detected for the first situation, and anti-HLA-B44, B58, B49 were detected for the second situation. In case of class II antibodies; we detected anti-HLA-DRB110, DRB115 and DRB151 antibodies as the most frequent three antibodies at 1st situation. Frequencies of anti-HLA antibodies of 120 patients with false negative results were determined in serum samples. In case of 3rd situation, while anti-A23, A68, A24; anti-B06, B04, B39 and anti-Cw07 were the most frequent anti-HLA Class I antibodies, anti-HLA DQ07, DQ05, DQ04 and anti-HLA-DRB152, DRB113, DRB153 were the most frequent HLA-Class II antibodies detected in serum samples.
Conclusion: Samples with false negative PRA results should be repeated and these samples should be recorded in the laboratory for internal control system.

Keywords: Bead Assay; HLA; PRA analysis

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doi: 10.5455/annalsmedres.2020.07.702     

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Annals of Medical Research is the scientific official journal of the Inonu University Faculty of Medicine. It is published monthly. The essential aim of the Annals of Medical Research is to publish scientifically high quality clinical and experimental research articles on fields of medicine which can contribute to the literature data. In addition, review articles, case reports, editorials, letters to the editors and manuscripts on publication ethics and medical history, which can contribute to the education and practices of physicians and health sector professionals within the scope of the journal’s target audience and which can increase the level of scientific communication between the authors and readers, are included in the scope of the journal.

 

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