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The frequency of HLA A, B, C, DP, DQ, DR allele in patients of Turkish and Syrian nationals with allogeneic stem cell transplantation

1 Department of Hematology, Turgut Ozal Medical Center, Inonu University, Malatya, Turkey
2 Department of Biostatistics and Medical Informatics, Faculty of Medicine, Inonu University, Malatya, Turkey

Correspondence Address:
Mehmet Ali Erkurt,
Department of Hematology, Turgut Ozal Medical Center, Inonu University, Malatya
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijh.ijh_21_22

BACKGROUND: In allogeneic stem cell transplantation, donor and recipient HLA tissue compatibility is essential for the success of stem cell transplantation. HLA tissue compatibility percentage is the most important parameter that increases the success of transplantation in donor selection. Pretransplant HLA tissue typing can be looked at in low and high resolution according to the facilities of the center and the urgency of transplantation. Many centers evaluate HLA HLA-A, B, C, DP, DQ, DR tissue types before allogeneic bone marrow transplantation. HLA tissue types differ in many races and even between unrelated individuals of the same race. AIMS: This study aimed to show the common human leukocyte antigen (HLA) rates and differences in Syrian and Turkish ethnicity patients who underwent allogeneic stem cell transplantation in our center. MATERIALS AND METHODS: HLA tissue similarities between Turkish and Syrian patients were revealed by examining the HLA tissue records of Turkish and Syrian patients who applied to the bone marrow transplant unit of Inonu University Turgut Ozal Medical Center between December 2009 and November 2021 for allogeneic stem cell transplantation. RESULTS: As a result of our study, it has been observed that there are similarities in terms of HLA A*02, HLA B*35, HLA C 04,07,12, HLA DP*02,04,11 HLA DQ*02,03,05,06, HLA DR*01,03,11,13 in Turkish and Syrian patients. High resolution HLA subgroups of the patients are shown in Tables three and four. CONCLUSION: In allogeneic stem cell transplantation, there may be similar HLA tissue types among ethnic groups.

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