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JOURNAL OF CLINICAL TRANSFUSION AND LABORATORY MEDICINE ›› 2025, Vol. 27 ›› Issue (6): 775-782.DOI: 10.3969/j.issn.1671-2587.2025.06.005

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Inhibitory Effects of Hydrogen on Activation and Apoptosis in Stored Apheresis Platelets

LI Jinqi1, QIN Aihua1, REN Yufei2, TANG Heshan1, CHEN Cuimin2, QIAN Baohua1, ZANG Yan1   

  1. 1Department of Transfusion Medicine, First Affiliated Hospital of Naval Medical University, Shanghai 200433;
    2Clinical Research Center of the First Affiliated Hospital of Naval Medical University, Shanghai 200433
  • Received:2025-03-25 Published:2025-12-24

Abstract: Objective To explore the effect and mechanism of hydrogen (H2) on apheresis platelets activation and apoptosis. Methods 10 apheresis platelets were divided equally into 16 small bags and randomly divided into an H2 group and a control group. The H2 group was added with hydrogen to saturation and supplemented with hydrogen daily. All samples were stored under agitation at (22±2) ℃ for 8 days, the platelet count was tested, and the CD62P, PAC-1, apoptosis were detected by flow cytometry daily. The Caspase-3, Caspase-9, Bax, and Bcl-2 proteins were detected by Western blotting. Results There was no significant difference in platelet count during the preservation period (1~8 d). From the fifth day, the apoptosis rate in H2 group was significantly lower than that in the control group (20.29±4.32 vs 33.06±8.01, P<0.001). From the sixth day, the expression of CD62P in H2 group was lower than that in the control group (24.94±5.53 vs 47.14±10.41, P<0.001), and the expression of PAC-1 in H2 group was lower than that in the control group (14.89±5.98 vs 19.41±5.17, P<0.05). Western blotting results showed that from the sixth day, the expression of cleaved Caspase-9 and cleaved Caspase-3 in the H2 group was lower than that in the control group (P<0.001). From the seventh day, the expression of Bax in the H2 group was lower than that in the control group (P<0.001), while Bcl-2 was higher than that in the control group (P<0.05), the ratio of Bax/Bcl-2 was lower than that of the control group. Conclusion Hydrogen can reduce platelet activation and apoptosis, improve the quality of apheresis platelet storage.

Key words: Hydrogen, Platelet storage lesion, Activation, Apoptosis

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