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Ma C, Zhao J, Zheng G, Wu S, Wu R, Yu D, Liao J, Zhang H, Liu L, Jiang L, Qian F, Zeng H, Wu G, Lu Z, Ye J, Zhang W. Qijiao Shengbai Capsule alleviated leukopenia by interfering leukotriene pathway: Integrated network study of multi-omics. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155424. [PMID: 38537441 DOI: 10.1016/j.phymed.2024.155424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/22/2024] [Accepted: 02/05/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Leukopenia could be induced by chemotherapy, which leads to bone marrow suppression and even affects the therapeutic progression of cancer. Qijiao Shengbai Capsule (QSC) has been used for the treatment of leukopenia in clinic, but its bioactive components and mechanisms have not yet been elucidated clearly. PURPOSE This study aimed to elucidate the molecular mechanisms of QSC in treating leukopenia. STUDY DESIGN Serum pharmacochemistry, multi-omics, network pharmacology, and validation experiment were combined to study the effect of QSC in murine leukopenia model. METHODS First, UPLC-QTOF-MS was used to clarify the absorbed components of QSC. Then, cyclophosphamide (CTX) was used to induce mice model with leukopenia, and the therapeutic efficacy of QSC was assessed by an integrative approach of multi-omics and network pharmacology strategy. Finally, molecular mechanisms and potential therapeutic targets were identified by validated experiments. RESULTS 121 compounds absorbed in vivo were identified. QSC significantly increase the count of white blood cells (WBCs) in peripheral blood of leukopenia mice with 15 days treatment. Multi-omics and network pharmacology revealed that leukotriene pathway and MAPK signaling pathway played crucial roles during the treatment of leukopenia with QSC. Six targets (ALOX5, LTB4R, CYSLTR1, FOS, JUN, IL-1β) and 13 prototype compounds were supposed to be the key targets and potential active components, respectively. The validation experiment further confirmed that QSC could effectively inhibit the inflammatory response induced by leukopenia. The inhibitors of ALOX5 activity can significantly increase the number of WBCs in leukopenia mice. Molecular docking of ALOX5 suggested that calycosin, daidzein, and medicarpin were the potentially active compounds of QSC. CONCLUSION Leukotriene pathway was found for the first time to be a key role in the development of leukopenia, and ALOX5 was conformed as the potential target. QSC may inhibit the inflammatory response and interfere the leukotriene pathway, it is able to improve hematopoiesis and achieve therapeutic effects in the mice with leukopenia.
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Affiliation(s)
- Chi Ma
- Institute of Respiratory Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jing Zhao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guangyong Zheng
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Shiyu Wu
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fujian, 350122, China
| | - Ruijun Wu
- School of Pharmacy, Naval Medical University, Shanghai 200433, China
| | - Dianping Yu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jingyu Liao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Hongwei Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Li Liu
- Guizhou Hanfang Pharmaceutical Co., Ltd., Guizhou, 550014, China
| | - Lu Jiang
- Guizhou Hanfang Pharmaceutical Co., Ltd., Guizhou, 550014, China
| | - Fei Qian
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Huawu Zeng
- School of Pharmacy, Naval Medical University, Shanghai 200433, China
| | - Gaosong Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Zhenhui Lu
- Institute of Respiratory Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Ji Ye
- School of Pharmacy, Naval Medical University, Shanghai 200433, China.
| | - Weidong Zhang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fujian, 350122, China.
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Wei CY, Shen HS, Yu HH. Effects and core patterns of Chinese herbal medicines on hematologic manifestations in systemic lupus erythematosus: A systematic review and meta-analysis. Explore (NY) 2024; 20:168-180. [PMID: 37643948 DOI: 10.1016/j.explore.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 07/26/2023] [Accepted: 08/15/2023] [Indexed: 08/31/2023]
Abstract
OBJECTIVE This systematic review and meta-analysis of randomized controlled trials (RCTs) aimed to evaluate the effects of Chinese herbal medicines (CHMs) on hematologic manifestations in patients with systemic lupus erythematosus (SLE). DATA SOURCES PubMed, Embase, Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure, and Airiti Library were searched for the period January 2000 to February 2022. STUDY SELECTION RCTs involving CHMs in patients with SLE with available hematologic data. DATA EXTRACTION The primary outcomes included white blood cell (WBC) count, hemoglobin level, and platelet count. The Cochrane risk of bias tool was used to assess the quality of the included RCTs. Sensitivity analysis of RCTs with abnormal hematologic data before intervention was performed to verify the robustness of the results. Subgroup analysis was also applied for results with high heterogenicity. Core patterns of used herbal drug pairs had also been analyzed and visualized. DATA SYNTHESIS Fifteen RCTs involving 1183 participants were included. The effects of elevating WBC count (weighted mean difference [WMD]: 0.69; 95% confidence interval [CI]: 0.33-1.06; p <0.001), hemoglobin levels (WMD: 0.64; 95% CI: 0.31-0.97; p <0.001), and platelet count (WMD: 0.61; 95% CI: 0.48-0.74; p <0.001) in the CHM group were significantly greater than those in the control group. In total, 23 single herbs and 152 herbal drug pairs were identified for core patterns network analysis. CONCLUSIONS We demonstrated significantly superior therapeutic effects achieved with CHMs and conventional therapy regarding leukopenia, anemia, and thrombocytopenia compared to that of conventional therapy alone in patients with SLE.
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Affiliation(s)
- Chen-Ying Wei
- Department of Chinese Medicine, Taoyuan Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Hsuan-Shu Shen
- Department of Chinese Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan; Sports Medicine Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan; School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Han-Hua Yu
- Division of Rheumatology, Allergy and Immunology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.
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Huang X, Li C, Xi J. Dynamic high pressure microfluidization-assisted extraction of plant active ingredients: a novel approach. Crit Rev Food Sci Nutr 2023; 63:12413-12421. [PMID: 35852173 DOI: 10.1080/10408398.2022.2101427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The extraction method has a great influence on the yield, quality, chemical structure, and biological activities of active ingredients. Safe and efficient extraction of active ingredients is one of the important problems facing the food and pharmaceutical industry. As a pretreatment approach for the extraction of active ingredients, dynamic high pressure microfluidization (DHPM) is a promising strategy that can not only effectively increase the yield of active ingredients but also strengthen the bioactivities of active ingredients, and take the advantages of mild operating temperature and environmental friendliness. In this review, the research progress of DHPM-assisted extraction of active ingredients from plant materials in recent ten years is overviewed. The DHPM equipment, strengthening mechanism, operating procedure, critical factors and application of DHPM-assisted extraction are introduced in detail, together with the advantages and disadvantages. Furthermore, its future development trend is discussed at the end. DHPM-assisted extraction is considered as the ideal technique of better homogenization effects, less solvent consumption, more reliable operation, and so on, making it a promising method to acquire active ingredients efficiently. Therefore, this technique is worthy of further theoretical research and experimental operation.
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Affiliation(s)
- Xinyi Huang
- School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Chenyue Li
- School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Jun Xi
- School of Chemical Engineering, Sichuan University, Chengdu, China
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Ahn YM, Shin S, Jang JH, Jung J. Bojungikgi-tang improves skin barrier function and immune response in atopic dermatitis mice fed a low aryl hydrocarbon receptor ligand diet. Chin Med 2023; 18:100. [PMID: 37573390 PMCID: PMC10423424 DOI: 10.1186/s13020-023-00806-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/17/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND The aryl hydrocarbon receptor (AhR) is a transcription factor that plays a crucial role in regulating the immune system and maintaining skin barrier function. AhR signaling is pivotal in the pathogenesis of inflammatory diseases such as atopic dermatitis (AD), and the absence of AhR ligands further contributes to the progression or worsening of AD symptoms. METHODS AD was induced with 2,4-dinitrochlorobenzene (DNCB), and Bojungikgi-tang (BJIKT) was administered orally daily for 10 weeks. Serum IgE, splenocyte IL-4, and IFN-γ levels, skin barrier genes, and AhR target gene expressions were analyzed using RNA-sequencing analysis. Spleen tissues were extracted for fluorescence-activated cell sorting (FACS) analysis to analyze the effect of BJIKT on immune responses. A correlation analysis was conducted to analyze the correlation between immune markers and skin barrier genes and AhR target genes. RESULTS BJIKT effectively improved AD symptoms in AD mice fed a low AhR ligand diet by reducing neutrophil and eosinophil counts, lowering IgE levels in the blood, and decreasing IL-4 and IFN-γ levels in the splenocytes. Additionally, BJIKT significantly reduced epithelial skin thickness and transepidermal water loss (TEWL) values and reversed the decreased expression of skin barrier genes. BJIKT also considerably altered the expression of AhR target genes, including Ahr, Ahrr, cytochrome P450 1A1 (CYP1A1), and CYP1B1. Furthermore, AhR target pathway genes were negatively correlated with immune cell subtypes, including CD4 + and CD8 + T cells and macrophages (CD11b + F4/80 +) at the systemic level. CONCLUSIONS BJIKT can regulate AhR activation and may help reduce inflammation in AD by regulating the expression of skin barrier genes and immune responses.
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Affiliation(s)
- You Mee Ahn
- KM Science Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea
| | - Sarah Shin
- KM Science Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea
| | - Ji-Hye Jang
- KM Science Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea
| | - Jeeyoun Jung
- KM Science Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea.
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Yao J, Liu J, He Y, Liu L, Xu Z, Lin X, Liu N, Kai G. Systems pharmacology reveals the mechanism of Astragaloside IV in improving immune activity on cyclophosphamide-induced immunosuppressed mice. JOURNAL OF ETHNOPHARMACOLOGY 2023; 313:116533. [PMID: 37100262 DOI: 10.1016/j.jep.2023.116533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/20/2023] [Accepted: 04/19/2023] [Indexed: 05/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Myelosuppression, also known as bone marrow suppression (BMS), is a pathological phenomenon of the decrease in the production of blood cells and further lead to immune homeostasis disorder. Astragalus mongholicus Bunge (AM, checked with The World Flora Online, http://www.worldfloraonline.org, updated on January 30, 2023) is a traditional Chinese medicine with efficacy of tonifying Qi and strengthening body immunity in thousands of years of clinical practice in China. Astragaloside IV (AS-IV) is a major active ingredient of AM, which plays an important role in regulating immune system through different ways. AIM OF THE STUDY This study was aimed to investigate the protective effect and mechanism of AS-IV on macrophages in vitro and cyclophosphamide (CTX)-induced immunosuppressive mice in vivo, and to provide experimental basis for the prevention and treatment of AS-IV in myelosuppression. MATERIALS AND METHODS Based on network pharmacology and molecular docking technology, the core targets and signaling pathways of saponins of AM against myelosuppression were screened. And then, the immunoregulatory effect of AS-IV on RAW264.7 cells was investigated by cellular immune activity and cellular secretion analysis in vitro. In this way, the effects of AS-IV on the main potential targets of HIF-1α/NF-κB signaling pathway were analyzed by qRT-PCR and Western blot methods. Furthermore, comprehensive analysis of the effects of AS-IV against CTX-induced mice were conducted on the basis of immune organs indices analysis, histopathological analysis, hematological analysis, natural killer cell activity analysis and spleen lymphocyte transformation activity analysis. In order to further verify the relationship between active ingredients and action targets, drug inhibitor experiments were finally conducted. RESULTS AS-IV, as a potential anti-myelosuppressive compound, was screened by systematic pharmacological methods to act on target genes including HIF1A and RELA together with the HIF-1α/NF-κB signaling pathway. Further studies by molecular docking technology showed that AS-IV had good binding activity with HIF1A, RELA, TNF, IL6, IL1B and other core targets. Besides, cellular and animal experiments validation results showed that AS-IV could enhance the migration and phagocytosis of RAW264.7 cells, and protect the immune organs such as spleen and thymus together with bone tissues from damage. By this means, immune cell function including spleen natural killer cell and lymphocyte transformation activity were also enhanced. In addition, white blood cells, red blood cells, hemoglobin, platelets and bone marrow cells were also significantly improved in the suppressed bone marrow microenvironment (BMM). In kinetic experiments, the secretion of cytokines such as TNF-α, IL-6 and IL-1β were increased, and IL-10, TGF-β1 were decreased. The key regulatory proteins such as HIF-1α, NF-κB, PHD3 in HIF-1α/NF-κB signaling pathway were also regulated in the results of upregulated expression of HIF-1α, p-NF-κB p65 and PHD3 at the protein or mRNA level. Finally, the inhibition experiment results suggested that AS-IV could significantly improve protein response in immunity and inflammation such as HIF-1α, NF-κB and PHD3. CONCLUSION AS-IV could significantly relieve CTX-induced immunosuppressive and might improve the immune activity of macrophages by activating HIF-1α/NF-κB signaling pathway, and provide a reliable basis for the clinical application of AS-IV as a potentially valuable regulator of BMM.
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Affiliation(s)
- Jiaxiong Yao
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Junqiu Liu
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Yining He
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Lin Liu
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Zonghui Xu
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Xianming Lin
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Na Liu
- Department of Oncology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400021, China.
| | - Guoyin Kai
- Zhejiang Key TCM Laboratory for Chinese Resource Innovation and Transformation, Jinhua Academy, School of Pharmaceutical Sciences, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
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Chimonanthus nitens Oliv Polysaccharides Modulate Immunity and Gut Microbiota in Immunocompromised Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:6208680. [PMID: 36846714 PMCID: PMC9946750 DOI: 10.1155/2023/6208680] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/15/2023] [Accepted: 01/20/2023] [Indexed: 02/17/2023]
Abstract
To investigate the immunomodulatory activities of Chimonanthus nitens Oliv polysaccharides (COP1), an immunosuppressive mouse model was generated by cyclophosphamide (CY) administration and then treated with COP1. The results demonstrated that COP1 ameliorated the body weight and immune organ (spleen and thymus) index of mice and improved the pathological changes of the spleen and ileum induced by CY. COP1 strongly stimulated the production of inflammatory cytokines (IL-10, IL-12, IL-17, IL-1β, and TNF-α) of the spleen and ileum by promoting the mRNA expressions. Furthermore, COP1 had immunomodulatory activity by increasing several transcription factors (JNK, ERK, and P38) in the mitogen-activated protein kinase (MAPK) signaling pathway. Related to the above immune stimulatory effects, COP1 positively affected the production of short-chain fatty acids (SCFAs) and the expression of ileum tight junction (TJ) protein (ZO-1, Occludin-1, and Claudin-1), upregulated the level of secretory immunoglobulin A (SIgA) in the ileum and microbiota diversity and composition, and improved intestinal barrier function. This study suggests that COP1 may provide an alternative strategy for alleviating chemotherapy-induced immunosuppression.
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Xu G, Xue W, Zhang D, Yu Z, Liu J, Zhao W. Non-targeted cellular metabolomics revealing the metabolomic features and anti-tumor mechanisms of cyanidin-3-O-arabinoside on Caco-2 cells. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Caulis Polygoni Multiflori Accelerates Megakaryopoiesis and Thrombopoiesis via Activating PI3K/Akt and MEK/ERK Signaling Pathways. Pharmaceuticals (Basel) 2022; 15:ph15101204. [PMID: 36297316 PMCID: PMC9607024 DOI: 10.3390/ph15101204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/19/2022] [Accepted: 09/24/2022] [Indexed: 11/23/2022] Open
Abstract
Thrombocytopenia is one of the most common complications of cancer therapy. Until now, there are still no satisfactory medications to treat chemotherapy and radiation-induced thrombocytopenia (CIT and RIT, respectively). Caulis Polygoni Multiflori (CPM), one of the most commonly used Chinese herbs, has been well documented to nourish blood for tranquilizing the mind and treating anemia, suggesting its beneficial effect on hematopoiesis. However, it is unknown whether CPM can accelerate megakaryopoiesis and thrombopoiesis. Here, we employ a UHPLC Q–Exactive HF-X mass spectrometer (UHPLC QE HF-X MS) to identify 11 ingredients in CPM. Then, in vitro experiments showed that CPM significantly increased megakaryocyte (MK) differentiation and maturation but did not affect apoptosis and lactate dehydrogenase (LDH) release of K562 and Meg-01 cells. More importantly, animal experiments verified that CPM treatment markedly accelerated platelet recovery, megakaryopoiesis and thrombopoiesis in RIT mice without hepatic and renal toxicities in vivo. Finally, RNA-sequencing (RNA-seq) and western blot were used to determine that CPM increased the expression of proteins related to PI3K/Akt and MEK/ERK (MAPK) signaling pathways. On the contrary, blocking PI3K/Akt and MEK/ERK signaling pathways with their specific inhibitors suppressed MK differentiation induced by CPM. In conclusion, for the first time, our study demonstrates that CPM may be a promised thrombopoietic agent and provide an experimental basis for expanding clinical use.
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Rapid screening of hepatotoxic components in Uncariae Ramulus Cum Uncis based on “component-target-pathway” network. J Pharm Biomed Anal 2022; 219:114968. [DOI: 10.1016/j.jpba.2022.114968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 11/19/2022]
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Accumulation Pattern of Flavonoids during Fruit Development of Lonicera maackii Determined by Metabolomics. Molecules 2021; 26:molecules26226913. [PMID: 34834005 PMCID: PMC8624894 DOI: 10.3390/molecules26226913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 12/28/2022] Open
Abstract
Lonicera maackii (Caprifoliaceae) is a large, upright shrub with fruits that contain many bioactive compounds. Flavonoids are common active substances in L. maackii. However, there is a dearth of information about the accumulation of these flavonoids and their possible medicinal value. We used targeted metabolomics analysis based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to analyze five developmental stages of L. maackii fruit. A total of 438 metabolites were identified in the five developmental stages, including 81 flavonoids and derivatives. The 81 flavonoids included 25 flavones and derivatives, 35 flavonols and derivatives, two isoflavones, three cyanidins and derivatives, eight procyanidins, and eight flavanones. In addition, we outlined the putative flavonoid biosynthesis pathway and screened their upstream metabolites. More importantly, we analyzed the accumulation patterns of several typical flavones and flavonols. The results reported here improved our understanding of the dynamic changes in flavonoids during fruit development and contributed to making full use of the medicinal value of L. maackii fruit.
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