Research Article

Evaluation of influence of IL-6 C-572G gene polymorphism and clinical factors on positive platelet antibody test

Jeong-Shi Lin*, Li-Hsuan Lee, Hsueng-Mei Liu, Ying-Ju Chen and Tzeon-Jye Chiou

Published: 15 January, 2021 | Volume 4 - Issue 1 | Pages: 006-012

Background: Interleukin-6 (IL-6) promotes antibody production. The objective of this study was to investigate whether IL-6 C-572G single nucleotide polymorphisms (SNP) and clinical factors are associated with positive platelet antibody test.

Materials and methods: Thirty platelet recipients with platelet antibodies (responders) and 20 platelet recipients without platelet antibodies (non-responders) were randomly selected. The -572 C>G (rs 1800796) SNPs in the promoter region of IL-6 gene were genotyped by polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method. Solid phase red cell adherence assay (SPRCA) was used for platelet antibody detection.

Results: Age, sex, percentage patients with benign diseases, and percentage of patients with homozygotes for the C allele at position -572 of the IL-6 gene were similar between responders and non-responders. Although the amounts of platelets pheresis transfused to patients with hematologic diseases were higher than those of non-hematologic diseases (47.2 ± 54.2 vs. 17.4 ± 13.8 units, p = 0.019), detection rate of platelet antibodies was lower in patients with hematologic diseases than that in patients with non-hematologic diseases (42.3% vs. 79.2%, p = 0.01).

Conclusion: There was no association between IL-6 C-572G gene polymorphism and positive reactivity in solid phase platelet antibody detection method in platelet recipients.

Read Full Article HTML DOI: 10.29328/journal.japch.1001023 Cite this Article Read Full Article PDF


Interleukin-6; Single nucleotide polymorphism; Platelet antibody; Transfusion


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