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BACKGROUNDImmune thrombocytopenia (ITP) is a heterogeneous autoimmune disease characterized by platelet destruction. In previous studies, Jianpi Yiqi Shexue (JPYQSX) was shown to increase the peripheral platelet (PLT) counts in patients with ITP. In addition, JPYQSX also dramatically alleviated weakness and fatigue. This study aimed to investigate the effect of JPYQSX on ITP related fatigue and to illuminate the underlying mechanisms of its therapeutic effects.METHODSPrednisone and different doses of JPYQSX were orally administered to mice with ITP. Posttreatment, all mice were subjected to a forced swimming test. In addition, blood samples were analyzed using an automated hematology analyzer. Spleen, liver, lungs, heart, kidneys, and colon tissues were collected to determine the expressions of reactive oxygen species (ROS), adenosine triphosphate (ATP), mitochondrial DNA (mtDNA), succinate dehydrogenase complex flavoprotein subunit A (SDHA), caseinolytic mitochondrial matrix peptidase proteolytic subunit (ClpP), and Lon peptidase 1 (Lonp1).RESULTSCompared with the vehicle group, JPYQSX prolonged the forced swimming time, increased the PLT counts, and reduced the liver and spleen indices {calculated as follows: organ index (%) = [organ weight (mg)/body weight (g)] ×100%}. In addition, the levels of ROS were upregulated, while the ATP and mtDNA contents were downregulated in ITP model mice. Administration of JPYQSX restored the expression of these mitochondrial molecules to normal levels. Furthermore, JPYQSX also decreased the expressions of SDHA, ClpP, and Lonp1, which are closely related to mitochondrial activity.CONCLUSIONSThese findings suggest that JPYQSX prevents antiplatelet sera-mediated platelet destruction in ITP mice and ameliorates fatigue possibly through its effect on mitochondrial function. This study revealed JPYQSX as a potential alternative approach for ITP therapy.

Jianpi Yiqi Shexue ameliorates immune thrombocytopenia related fatigue by regulating mitochondrial function