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  • Title: Siwu Paste protects bone marrow hematopoietic function in rats with blood deficiency syndrome by regulating TLR4/NF-κB/NLRP3 signaling pathway.
    Author: Du Q, He D, Zeng HL, Liu J, Yang H, Xu LB, Liang H, Wan D, Tang CY, Cai P, Huang JH, Zhang SH.
    Journal: J Ethnopharmacol; 2020 Nov 15; 262():113160. PubMed ID: 32736053.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: Siwu Paste (SWP) was recorded in the first national Pharmacopoeia of China, "Tai Ping Hui Min He Ji Ju Fang", it showed excellent effects in regulating all syndromes relevant to blood. AIM OF THE STUDY: This study aimed to investigate the protective effects of Siwu Paste (SWP) on bone marrow hematopoietic by using rats' model with blood deficiency syndrome induced by chemotherapy. MATERIALS AND METHODS: Animal model with blood deficiency syndrome was successfully established by evaluating their peripheral blood cell level and erythrocyte membrane energy metabolism enzyme activity. Serum hematopoietic cytokine levels were detected by using Enzyme-linked immunosorbent assay (ELISA). Hematoxylin-Eosin (HE) staining method was used to observe the pathological morphology of femur bone marrow, and the viability of BMSC was detected by Cell Counting Kit (CCK-8). Furthermore, the expression of toll-like receptor 4 (TLR4), nuclear transcription factor kB (NF-κB), and NOD-like receptor protein 3 (NLRP3) protein in femur bone marrow were detected by using Western-blotting and High-content cell imaging analysis system (HCA). RESULTS: Obtained results showed that SWP could significantly improve the status of anemia, regulate the expressions of serum hematopoietic cytokines, and protect bone marrow hematopoietic cells. Furthermore, the expressions of TLR4, NF-κB, and NLRP3 protein were inhibited in bone marrow hematopoietic cells. CONCLUSIONS: Siwu Paste (SWP) could recover the bone marrow hematopoietic functions in rats with blood deficiency syndrome. The therapeutic mechanism may be related to the regulation of serum hematopoietic cytokines, and inhibition of TLR4/NF-κB/NLRP3 signaling pathway.
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