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RESEARCH PAPER ANALYSIS

[Positive rates and distribution characteristics of pre-existing anti-human-leukocyte-antigen antibodies in patients with different hematological diseases].

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PMID39266500
JournalZhonghua yi xue za zhi
Publication Date2024-09-10
Ingested2026-08-02 12:02 AM
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ABSTRACT

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Clinical data of 1 494 patients with hematological diseases who were scheduled to receive allogeneic hematopoietic stem cell transplantation and received the anti-human-leukocyte-antigen (HLA) antibody test for the first time at the First Affiliated Hospital of Soochow University from 2016 to 2018 was collected to analyze the positive rates and distribution characteristics of different types of pre-existing anti-HLA antibodies in patients with different hematological diseases. Among 1 494 patients with hematological diseases, there were 849 males and 645 females, aged [31 (17, 45)] years, and included 577 cases of acute myeloid leukemia (AML), 373 cases of acute lymphocytic leukemia (ALL), 234 cases of aplastic anemia (AA), 175 cases of myelodysplastic syndrome (MDS), and 135 cases of other diseases. The total positive rate of pre-existing anti-HLA antibodies was 25.1% (375/1 494), among which the positive rates of anti-HLA class Ⅰ, anti-HLA class Ⅱ, and anti-HLA class Ⅰ+Ⅱ antibodies were 11.2% (168/1 494), 4.9% (73/1 494), and 9.0% (134/1 494), respectively.The total positive rates of pre-existing anti-HLA antibodies in patients with MDS、AA、AML、ALL and other diseases were 40.6% (71/175), 30.8% (72/234), 26.2% (151/577), 12.3% (46/373), and 25.9% (35/135), respectively, with statistically significant difference (P<0.001). The positive rates of anti-HLA class Ⅰ, anti-HLA class Ⅱ, and anti-HLA class Ⅰ+Ⅱ antibodies in patients with different hematological diseases showed statistically significant differences (all P<0.001). Given the varying positive rates and distribution characteristics of pre-existing anti-HLA antibodies among patients with different hematological diseases, anti-HLA antibody test should be performed before receiving hematopoietic stem cell transplantation.

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[Positive rates and distribution characteristics of pre-existing anti-human-leukocyte-antigen antibodies in patients with different hematological diseases].

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