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논문 기본 정보

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학술저널
저자정보
Doaa Mohamed El Demerdash (Internal Medicine Department, Faculty of Medicine, Teaching Kasr AL-Ainy Hospital, Cairo University, Al Kasr Al Aini, Old Cairo 4240310, Cairo Governorate, Egypt) Maha Mohamed Saber (Internal Medicine Department, Faculty of Medicine, Teaching Kasr AL-Ainy Hospital, Cairo University, Al Kasr Al Aini, Old Cairo 4240310, Cairo Governorate, Egypt) Alia Ayad (Internal Medicine Department, Faculty of Medicine, Teaching Kasr AL-Ainy Hospital, Cairo University, Al Kasr Al Aini, Old Cairo 4240310, Cairo Governorate, Egypt) Kareeman Gomaa (Clinical and Chemical Pathology Department, Faculty of Medicine, Kasr AL-Ainy Hospital, Cairo University, Cairo, Egypt) Mohamed Abdelkader Morad (Internal Medicine Department, Faculty of Medicine, Teaching Kasr AL-Ainy Hospital, Cairo University, Al Kasr Al Aini, Old Cairo 4240310, Cairo Governorate, Egypt)
저널정보
대한혈액학회 Blood Research Blood Research Vol.59 No.1
발행연도
2024.3
수록면
8 - 8 (1page)
DOI
10.1007/s44313-024-00011-z

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Background Immune thrombocytopenia (ITP) is characterized by immune response dysregulations. Cytotoxic T lymphocyte‐ associated antigen‐4 (CTLA‐4) plays a central role in immune checkpoint pathways and preventing autoimmune diseases by regulating immune tolerance. We aimed to explore the potential association between CTLA-4 gene polymorphisms and ITP as well as study their impact on the response to therapy. Methods We investigated two CTLA-4 single‐nucleotide polymorphisms (SNPs; rs: 231775 and rs: 3087243) using real-time PCR as well as the plasma levels of CTLA-4 by ELISA in 88 patients with ITP and 44 healthy participants (HC). Results CTLA-4 (rs: 3087243) A > G polymorphism analysis showed most HC had the homozygous AA genotype, which was statistically significant compared to patients with ITP. Plasma levels of CTLA4 were statistically lower in patients with acute ITP. There was no correlation between CTLA-4 (rs: 231775 and rs: 3087243) A/G SNPs were not correlated to the response to all lines of therapy assessed (corticosteroids, thrombopoietin receptor agonists, splenectomy, and rituximab). Conclusion CTLA-4 CT 60 A/G may affect the susceptibility of ITP, but both CTLA-4 + 49 A/G and CT60 A/G did not impact the response of patients with ITP to different lines of therapy.

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