Thrombopoietic cytokines in patients with hepatitis C virus-associated immune thrombocytopenia

Cih En Huang, Yi Yang Chen, Jung Jung Chang, Feng Che Kuan, Kuan Der Lee, Chang Hsien Lu, Jrhau Lung, Chien Heng Shen, Chih Cheng Chen

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2 Citations (Scopus)

Abstract

Objectives: Complex and multiple mechanisms are involved in the etiology of Hepatitis C virus-associated immune thrombocytopenia (HCV-ITP). Many hematopoietic growth factors affect the thrombopoiesis. The aim of this study was to clarify the interaction of the thrombopoietic factors in patients with HCV-ITP. Methods: We selected 33 patients with HCV-ITP and 17 normal individuals. We compare serum interleukin (IL)-3, IL-6, IL-11, thrombopoietin (Tpo), stem cell factor (SCF), granulocyte-macrophage colony-stimulating factor (GM-CSF), tumour necrosis factor-α (TNFα), and spleen size between these two groups. Results: Our study shows that Tpo, IL-6, and TNFα significantly increased in patients with HCV-ITP compared to the normal population (Tpo:122.577 vs. 40.602; IL-6: 2.175 vs. 0.943; TNFα: 2.460 vs. 1.322). IL-11 was significantly lower in the HCV-ITP group (10.829 vs. 15.042). HCV-ITP patients had a higher spleen index (21.121 vs 13.498, P = 0.003). According to regression analysis and multiple linear regression analysis, only IL-11 had a significantly positive correlation with platelet count, while TNFα showed a negative correlation. Discussions: Tpo and IL-6 increased in patients with HCV-ITP, suggesting a positive feedback of low platelet count. TNFα-associated immune response is suspected to have an impact on low platelet count. IL-11 is assumed to directly affect thrombopoiesis. Conclusions: This study is the most comprehensive study to evaluate the interaction between platelet count and the important thrombopoetic factors in patients with HCV-ITP. The thrombopoietic factors clearly play an important role in HCV-ITP.

Original languageEnglish
Pages (from-to)54-60
Number of pages7
JournalHematology
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 2 2017
Externally publishedYes

Keywords

  • Cytokine
  • Hepatitis C
  • Immune thrombocytopenia
  • Interleukin
  • Spleen
  • Thrombopoietin

ASJC Scopus subject areas

  • Hematology

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  • Cite this

    Huang, C. E., Chen, Y. Y., Chang, J. J., Kuan, F. C., Lee, K. D., Lu, C. H., Lung, J., Shen, C. H., & Chen, C. C. (2017). Thrombopoietic cytokines in patients with hepatitis C virus-associated immune thrombocytopenia. Hematology, 22(1), 54-60. https://doi.org/10.1080/10245332.2016.1204493