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Shu C, Chen Y, Wu Z, Zhang W, Zhao J, Wang Y, Zeng Y, Li J, Zhu J, Yan Z, Liu Z. Isotoosendanin exerts anti-tumor effects in NSCLC by enhancing the stability of SHP-2 and inhibiting the JAK/STAT3 pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155832. [PMID: 38924928 DOI: 10.1016/j.phymed.2024.155832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 05/23/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Lung cancer has been considered as a serious problem for the public health system. NSCLC is the main type of lung cancer, and finding improved treatments for NSCLC is a pressing concern. In this study, we have explored the efficacy of isotoosendanin (ITSN) for the treatment of NSCLC, and also explored the potential underlying mechanisms. METHODS NSCLC cells were cultured, and colony formation, cell cycle as well as apoptosis assays have been conducted for investigating the biological functions of ITSN on NSCLC cells. Furthermore, target genes of ITSN have been predicted via PharmMapper and SuperPred database, subsequently validated using the drug affinity responsive target stability (DARTS) approach, a cellular thermal shift assay (CETSA) as well as surface plasmon resonance (SPR) analysis. Additionally, ubiquitination experiments have been conducted for the level of ubiquitination of the NSCLC cells. Finally, a nude mouse xenograft model has been established for evaluating the anti-tumor effects of ITSN in vivo. RESULTS ITSN has shown anti-NSCLC activities both in vitro and in vivo. Mechanistically, ITSN interacts with SHP-2 through enhancing its stability and decreases the level of ubiquitination. Notably, ITSN may regulate the behaviors of NSCLC cells via affecting the JAK/STAT3 signaling, and finally, the anti-tumor effects of ITSN was partially reversed by the application of SHP-2 inhibitor or siRNA of SHP-2. CONCLUSIONS ITSN may exert its anti-tumor effects by directly targeting SHP-2, increasing its stability and minimizing its ubiquitination. These results imply that ITSN could be a revolutionary component for treating NSCLC.
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Affiliation(s)
- Chenying Shu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China
| | - Yuling Chen
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Zhengyan Wu
- Department of Health Management Center, The First Affiliated Hospital of Soochow University, Suzhou 215000, China
| | - Weijie Zhang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Jian Zhao
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Ying Wang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China
| | - Yuanyuan Zeng
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Jianjun Li
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Jianjie Zhu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China
| | - Zhaowei Yan
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China.
| | - Zeyi Liu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China; Institute of Respiratory Diseases, Soochow University, Suzhou, 215006, China.
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Zhang T, Luo X, Jing L, Mo C, Guo H, Yang S, Wang Y, Zhao K, Lai Y, Liu Y. Toosendanin inhibits T-cell proliferation through the P38 MAPK signalling pathway. Eur J Pharmacol 2024; 973:176562. [PMID: 38588767 DOI: 10.1016/j.ejphar.2024.176562] [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: 01/06/2024] [Revised: 03/20/2024] [Accepted: 04/03/2024] [Indexed: 04/10/2024]
Abstract
In recent years, immunosuppressants have shown significant success in the treatment of autoimmune diseases. Therefore, there is an urgent need to develop additional immunosuppressants that offer more options for patients. Toosendanin has been shown to have immunosuppressive activity in vitro as well as effects on autoimmune hepatitis (AIH) in vivo. Toosendanin did not induce apoptosis in activated T-cells and affect the survival rate of naive T-cells. Toosendanin did not affect the expression of CD25 or secretion of IL-2 by activated T-cells, and not affect the expression of IL-4 and INF-γ. Toosendanin did not affect the phosphorylation of STAT5, ERK, AKT, P70S6K. However, toosendanin inhibited proliferation of anti-CD3/anti-CD28 mAbs-activated T-cells with IC50 of (10 ± 2.02) nM. Toosendanin arrested the cell cycle in the G0/G1 phase, significantly inhibited IL-6 and IL-17A secretion, promoted IL-10 expression, and inhibited the P38 MAPK pathway. Finally, toosendanin significantly alleviated ConA-induced AIH in mice. In Summary, toosendanin exhibited immunosuppressive activity in vivo and in vitro. Toosendanin inhibits the proliferation of activated T-cells through the P38 MAPK signalling pathway, significantly suppresses the expression of inflammatory factors, enhances the expression of anti-inflammatory factors, and effectively alleviates ConA-induced AIH in mice, suggesting that toosendanin may be a lead compound for the development of novel immunomodulatory agents with improved efficacy and reduced toxicity.
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Affiliation(s)
- Ting Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China; School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Xingyan Luo
- Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China; Development and Regeneration Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Lin Jing
- Guangxi Key Laboratory of Special Biomedicine, School of Medicine, Guangxi University, Nanning, 530004, Guangxi, People's Republic of China
| | - Chunfen Mo
- Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Huijie Guo
- Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Shuxia Yang
- Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Yantang Wang
- Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Ketian Zhao
- School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China; Research Center, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China
| | - Yi Lai
- School of Laboratory Medicine, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China.
| | - Yang Liu
- Department of Gastroenterology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China; School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China; Development and Regeneration Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, 610500, Sichuan, People's Republic of China.
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Liu F, Wang G, Zhao L, Chen G, Dong L, Li Q, Zhu D. Toosendanin Induces Lung Squamous Cell Carcinoma Cell Apoptosis and Inhibits Tumor Progression via the BNIP3/AMPK Signaling Pathway. Adv Biol (Weinh) 2024:e2300610. [PMID: 38773915 DOI: 10.1002/adbi.202300610] [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: 11/12/2023] [Revised: 01/28/2024] [Indexed: 05/24/2024]
Abstract
Lung squamous cell carcinoma (LUSC) is the second most common type of non-small cell lung cancer. Toosendanin can target critical cancer cell survival and proliferation. However, the function of toosendanin in LUSC is limited. Cancer cell proliferative capacity is detected using cell morphology, colony formation, and flow cytometry. The invasiveness of the cells is detected by a Transwell assay, western blotting, and RT-qPCR. Nude mice are injected with H226 (1×106) and received an intraperitoneal injection of toosendanin every 2 days for 21 days. RNA sequence transcriptome analysis is performed on toosendanin-treated cells to identify target genes and signaling pathways. With increasing concentrations of toosendanin, the rate of cell proliferation decreases and apoptotic cells increases. The number of migrated cells significantly reduces and epithelial-mesenchymal transition is reversed. Injection of toosendanin in nude mice leads to a reduction in tumor volume, weight, and the number of metastatic tumors. Furthermore, KEGG shows that genes related to the AMPK pathway are highly enriched. BNIP3 is the most differentially expressed gene, and its expression along with phosphorylated-AMPK significantly increases in toosendanin-treated cells. Toosendanin exerts anticancer effects, induces apoptosis in LUSC cells, and inhibits tumor progression via the BNIP3/AMPK signaling pathway.
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Affiliation(s)
- Fabing Liu
- Department of Cardiothoracic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
- Department of Cardiothoracic Surgery, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200080, China
| | - Guangxue Wang
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Liming Zhao
- Department of Emergency, Shanghai East Hospital, Tongji University School of Medicine, 1800 Yuntai Road, Shanghai, 200123, China
| | - Guohan Chen
- Department of Cardiothoracic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Lin Dong
- Department of Cardiothoracic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Qinchuan Li
- Department of Cardiothoracic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Dongyi Zhu
- Department of Respiratory Medicine, Shanghai East Hospital, Tongji University School of Medicine, 1800 Yuntai Road, Shanghai, 200123, China
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Li X, Bai Z, Li Z, Wang J, Yan X. Toosendanin Restrains Idiopathic Pulmonary Fibrosis by Inhibiting ZEB1/CTBP1 Interaction. Curr Mol Med 2024; 24:123-133. [PMID: 37138491 PMCID: PMC10804237 DOI: 10.2174/1566524023666230501205149] [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: 12/15/2022] [Revised: 02/23/2023] [Accepted: 03/08/2023] [Indexed: 05/05/2023]
Abstract
BACKGROUND Extensive deposition of extracellular matrix (ECM) in idiopathic pulmonary fibrosis (IPF) is due to hyperactivation and proliferation of pulmonary fibroblasts. However, the exact mechanism is not clear. OBJECTIVE This study focused on the role of CTBP1 in lung fibroblast function, elaborated its regulation mechanism, and analyzed the relationship between CTBP1 and ZEB1. Meanwhile, the antipulmonary fibrosis effect and its molecular mechanism of Toosendanin were studied. METHODS Human IPF fibroblast cell lines (LL-97A and LL-29) and normal fibroblast cell lines (LL-24) were cultured in vitro. The cells were stimulated with FCS, PDGF-BB, IGF-1, and TGF-β1, respectively. BrdU detected cell proliferation. The mRNA expression of CTBP1 and ZEB1 was detected by QRT-PCR. Western blotting was used to detect the expression of COL1A1, COL3A1, LN, FN, and α-SMA proteins. An animal model of pulmonary fibrosis was established to analyze the effects of CTBP1 silencing on pulmonary fibrosis and lung function in mice. RESULTS CTBP1 was up-regulated in IPF lung fibroblasts. Silencing CTBP1 inhibits growth factor-driven proliferation and activation of lung fibroblasts. Overexpression of CTBP1 promotes growth factor-driven proliferation and activation of lung fibroblasts. Silencing CTBP1 reduced the degree of pulmonary fibrosis in mice with pulmonary fibrosis. Western blot, CO-IP, and BrdU assays confirmed that CTBP1 interacts with ZEB1 and promotes the activation of lung fibroblasts. Toosendanin can inhibit the ZEB1/CTBP1protein interaction and further inhibit the progression of pulmonary fibrosis. CONCLUSION CTBP1 can promote the activation and proliferation of lung fibroblasts through ZEB1. CTBP1 promotes lung fibroblast activation through ZEB1, thereby increasing excessive deposition of ECM and aggravating IPF. Toosendanin may be a potential treatment for pulmonary fibrosis. The results of this study provide a new basis for clarifying the molecular mechanism of pulmonary fibrosis and developing new therapeutic targets.
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Affiliation(s)
- Xingbin Li
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050005, China
- Department of Respiratory and Critical Care Medicine, Hebei Chest Hospital, Shijiazhuang, Hebei, 050041,China
| | - Zina Bai
- Department of Respiratory and Critical Care Medicine, Hebei Chest Hospital, Shijiazhuang, Hebei, 050041,China
| | - Zhensheng Li
- Department of Respiratory and Critical Care Medicine, Hebei Chest Hospital, Shijiazhuang, Hebei, 050041,China
| | - Jun Wang
- Department of Respiratory and Critical Care Medicine, Hebei Chest Hospital, Shijiazhuang, Hebei, 050041,China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050005, China
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Wu Y, Chen L, Feng C, Wang T, He S, Zheng D, Lin L. Antitumor effect of toosendanin on oral squamous cell carcinoma via suppression of p-STAT3. BMC Oral Health 2023; 23:846. [PMID: 37946196 PMCID: PMC10634166 DOI: 10.1186/s12903-023-03602-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 10/31/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Toosendanin (TSN) exhibits potent antitumor activity against various tumor cell lines. However, its efficacy against oral squamous cell carcinoma (OSCC) remains unknown. Here, we investigated the effects of TSN on OSCC cells in vitro and verified them in vivo using a patient-derived xenograft (PDX) model. METHODS The effect of TSN on OSCC cells was investigated by cytotoxicity assays and flow cytometry. The expression of proteins was detected by western blotting. An OSCC PDX model was constructed to further investigate the role of TSN in regulating the function of OSCC. RESULTS The cell viability of CAL27 and HN6 cells decreased as the concentration of TSN increased within the experimental range. Compared with controls, TSN at lower doses inhibited cell proliferation and induced apoptosis through S-phase cell cycle arrest. TSN inhibited OSCC cell proliferation by downregulating the STAT3 pathway through the inhibition of STAT3 phosphorylation. After successful construction of the OSCC PDX model with high pathological homology to the primary tumor and treatment with an intraperitoneal injection of TSN, we showed that TSN significantly reduced the tumor size of the PDX model mice without obvious toxicity. CONCLUSIONS Both in vitro and in vivo, TSN significantly inhibits the proliferation and promoted apoptosis of OSCC cells. Furthermore, TSN demonstrates potent inhibition of STAT3 phosphorylation, indicating its potential as a promising therapeutic agent for OSCC. Therefore, TSN holds great promise as a viable drug candidate for the treatment of OSCC.
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Affiliation(s)
- Ye Wu
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China
| | - Lingling Chen
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China
| | - Cheng Feng
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China
| | - Tao Wang
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China
| | - Shaohai He
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China
| | - Dali Zheng
- Fujian Key Laboratory of Oral Diseases & Stomatological Key lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian Province, China.
| | - Lisong Lin
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, China.
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Kim SC, Gu DR, Yang H, Lee SJ, Ryuk JA, Ha H. Isolation and Characterization of an Anti-Osteoporotic Compound from Melia toosendan Fructus. Pharmaceutics 2023; 15:2454. [PMID: 37896213 PMCID: PMC10609846 DOI: 10.3390/pharmaceutics15102454] [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: 09/25/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
Melia toosendan fructus, traditionally employed in traditional Chinese and Korean herbal medicine, exhibits diverse biological properties encompassing anti-tumor, anti-inflammatory, and anti-viral effects. However, its influence on bone metabolism remains largely unexplored. In this study, we investigated the impact of an ethanolic extract of Melia toosendan fructus (MTE) on osteoclast differentiation and characterized its principal active constituent in osteoclast differentiation and function, as well as its effects on bone protection. Our findings demonstrate that MTE effectively inhibits the differentiation of osteoclast precursors induced by receptor activator of nuclear factor κB ligand (RANKL). Utilizing a bioassay-guided fractionation approach coupled with UHPLC-MS/MS analysis, we isolated and identified the triterpenoid compound toosendanin (TSN) as the active constituent responsible for MTE's anti-osteoclastogenic activity. TSN treatment downregulated the expression of nuclear factor of activated T cells c1, a pivotal osteoclastogenic transcription factor, along with molecules implicated in osteoclast-mediated bone resorption, including tumor necrosis factor receptor-associated factor 6, carbonic anhydrase II, integrin beta-3, and cathepsin K. Furthermore, treatment of mature osteoclasts with TSN impaired actin ring formation, acidification, and resorptive function. Consistent with our in vitro findings, TSN administration mitigated trabecular bone loss and reduced serum levels of the bone resorption marker, C-terminal cross-linked telopeptides of type I collagen, in a mouse bone loss model induced by intraperitoneal injections of RANKL. These results suggest that TSN, as the principal active constituent of MTE with inhibitory effects on osteoclastogenesis, exhibits bone-protective properties by suppressing both osteoclast differentiation and function. These findings imply the potential utility of TSN in the treatment of diseases characterized by excessive bone resorption.
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Affiliation(s)
| | | | | | | | | | - Hyunil Ha
- KM Convergence Research Division, Korea Institute of Oriental Medicine (KIOM), Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
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Zhang J, Xu HX, Wu YL, Cho WCS, Xian YF, Lin ZX. Synergistic Anti-Tumor Effect of Toosendanin and Paclitaxel on Triple-Negative Breast Cancer via Regulating ADORA2A-EMT Related Signaling. Adv Biol (Weinh) 2023; 7:e2300062. [PMID: 37401656 DOI: 10.1002/adbi.202300062] [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: 02/07/2023] [Revised: 04/23/2023] [Indexed: 07/05/2023]
Abstract
Triple negative breast cancer (TNBC) is an aggressive cancer with very poor prognosis. Combination therapy has proven to be a promising strategy for enhancing TNBC treatment efficacy. Toosendanin (TSN), a plant-derived triterpenoid, has shown pleiotropic effects against a variety of tumors. Herein, it is evaluated whether TSN can enhance the efficacy of paclitaxel (PTX), a common chemotherapeutic agent, against TNBC. It is found that TSN and PTX synergistically suppress the proliferation of TNBC cell lines such as MDA-MB-231 and BT-549, and the combined treatment also inhibits the colony formation and induces cell apoptosis. Furthermore, this combination shows more marked migratory inhibition when compared to PTX alone. Mechanistic study shows that the ADORA2A pathway in TNBC is down-regulated by the combination treatment via mediating epithelial-to-mesenchymal transition (EMT) process. In addition, the combined treatment of TSN and PTX significantly attenuates the tumor growth when compared to PTX monotherapy in a mouse model bearing 4T1 tumor. The results suggest that combination of TSN and PTX is superior to PTX alone, suggesting that it may be a promising alternative adjuvant chemotherapy strategy for patients with TNBC, especially those with metastatic TNBC.
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Affiliation(s)
- Juan Zhang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hong-Xi Xu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yu-Lin Wu
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - William Chi Shing Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong SAR, China
| | - Yan-Fang Xian
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Zhi-Xiu Lin
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Hong Kong Institute of Integrative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
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Zhang J, Zhang Z, Huang Z, Li M, Yang F, Wu Z, Guo Q, Mei X, Lu B, Wang C, Wang Z, Ji L. Isotoosendanin exerts inhibition on triple-negative breast cancer through abrogating TGF- β-induced epithelial-mesenchymal transition via directly targeting TGF βR1. Acta Pharm Sin B 2023; 13:2990-3007. [PMID: 37521871 PMCID: PMC10372922 DOI: 10.1016/j.apsb.2023.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/07/2023] [Accepted: 03/14/2023] [Indexed: 08/01/2023] Open
Abstract
As the most aggressive breast cancer, triple-negative breast cancer (TNBC) is still incurable and very prone to metastasis. The transform growth factor β (TGF-β)-induced epithelial-mesenchymal transition (EMT) is crucially involved in the growth and metastasis of TNBC. This study reported that a natural compound isotoosendanin (ITSN) reduced TNBC metastasis by inhibiting TGF-β-induced EMT and the formation of invadopodia. ITSN can directly interact with TGF-β receptor type-1 (TGFβR1) and abrogated the kinase activity of TGFβR1, thereby blocking the TGF-β-initiated downstream signaling pathway. Moreover, the ITSN-provided inhibition on metastasis obviously disappeared in TGFβR1-overexpressed TNBC cells in vitro as well as in mice bearing TNBC cells overexpressed TGFβR1. Furthermore, Lys232 and Asp351 residues in the kinase domain of TGFβR1 were found to be crucial for the interaction of ITSN with TGFβR1. Additionally, ITSN also improved the inhibitory efficacy of programmed cell death 1 ligand 1 (PD-L1) antibody for TNBC in vivo via inhibiting the TGF-β-mediated EMT in the tumor microenvironment. Our findings not only highlight the key role of TGFβR1 in TNBC metastasis, but also provide a leading compound targeting TGFβR1 for the treatment of TNBC metastasis. Moreover, this study also points out a potential strategy for TNBC treatment by using the combined application of anti-PD-L1 with a TGFβR1 inhibitor.
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Affiliation(s)
- Jingnan Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ze Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhenlin Huang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Manlin Li
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fan Yang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zeqi Wu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qian Guo
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiyu Mei
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Bin Lu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Changhong Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhengtao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Lili Ji
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Yang Y, Mei C, Xian H, Zhang X, Li J, Liang ZX, Zhi Y, Ma Y, Wang HJ. Toosendanin-induced apoptosis of CMT-U27 is mediated through the mitochondrial apoptotic pathway. Vet Comp Oncol 2023; 21:315-326. [PMID: 36809669 DOI: 10.1111/vco.12889] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/24/2023]
Abstract
Toosendanin (TSN) is an active compound from the fruit of Melia toosendan Sieb et Zucc. TSN has been shown to have broad-spectrum anti-tumour activities in human cancers. However, there are still many gaps in the knowledge of TSN on canine mammary tumours (CMT). CMT-U27 cells were used to select the optimal acting time and best concentration of TSN to initiate apoptosis. Cell proliferation, cell colony formation, cell migration and cell invasion were analysed. The expression of apoptosis-related genes and proteins were also detected to explore the mechanism of action of TSN. A murine tumour model was established to detect the effect of TSN treatments. The results showed that TSN decreased cell viability of migration and invasion, altered CMT-U27 cell morphology, and inhibited DNA synthesis. TSN-induced cell apoptosis by upregulating BAX, cleaved caspase-3, cleaved caspase-9, p53 and cytochrome C (cytosolic) protein expression, and downregulating Bcl-2 and cytochrome C (mitochondrial) expression. In addition, TSN increased the mRNA transcription levels of cytochrome C, p53 and BAX, and decreased the mRNA expression of Bcl-2. Furthermore, TSN inhibited the growth of CMT xenografts by regulating the expression of genes and proteins activated by the mitochondrial apoptotic pathway. In conclusion, TSN effectively inhibited cell proliferation, migration and invasion activity, as well as induced CMT-U27 cell apoptosis. The study provides a molecular basis for the development of clinical drugs and other therapeutic options.
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Affiliation(s)
- Yin Yang
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
- School of Veterinary Medicine, Southwest University, Rongchang Chongqing, China
| | - Chen Mei
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
| | - Hong Xian
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
| | - Xue Zhang
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
| | - Jun Li
- School of Veterinary Medicine, Southwest University, Rongchang Chongqing, China
| | - Zhi-Xuan Liang
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
| | - Yan Zhi
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
| | - Yue Ma
- School of Veterinary Medicine, Southwest University, Rongchang Chongqing, China
| | - Hong-Jun Wang
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing, China
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10
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Liang Y, Chen S, Han S, Luo L, Shen F, Huang Z. Toosendanin induced hepatotoxicity via triggering PERK-eIF2α-ATF4 mediated ferroptosis. Toxicol Lett 2023; 377:51-61. [PMID: 36801351 DOI: 10.1016/j.toxlet.2023.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/18/2023]
Abstract
Toosendanin (TSN) is the main active compound of Melia toosendan Sieb et Zucc with various bioactivities. In this study, we investigated the role of ferroptosis in TSN-induced hepatotoxicity. The characteristic indicators of ferroptosis were detected including reactive oxygen species (ROS), lipid-ROS, glutathione (GSH), ferrous ion and the expression of glutathione peroxidase 4 (GPX4), which showed that TSN caused ferroptosis in hepatocytes. The results of qPCR analysis and western blotting assay showed that TSN-induced activation of protein kinase R-like endoplasmic reticulum kinase (PERK)- eukaryotic initiation factor 2 α subunit (eIF2α)- activation transcription factor 4 (ATF4) signaling pathway resulted in increasing activation transcription factor 3 (ATF3) expression, which upregulated the expression of transferrin receptor 1 (TFRC). Furthermore, TFRC mediated iron accumulation leading to ferroptosis in hepatocytes. To clarify whether TSN triggered ferroptosis in vivo, male Balb/c mice were treated with the different doses of TSN. The results of hematoxylin-eosin (H&E) staining, 4-hydroxynonenal (4-HNE) staining, malondialdehyde (MDA) content and the protein expression of GPX4 showed that ferroptosis contributed to TSN-induced hepatotoxicity. Iron homeostasis relative protein and PERK- eIF2α- ATF4 signaling pathway also involved in hepatotoxicity of TSN in vivo.
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Affiliation(s)
- Yonghong Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Sixin Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Suqin Han
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Li Luo
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Feihai Shen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China; School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China.
| | - Zhiying Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China.
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11
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Yang F, Zhang D, Jiang H, Ye J, Zhang L, Bagley SJ, Winkler J, Gong Y, Fan Y. Small-molecule toosendanin reverses macrophage-mediated immunosuppression to overcome glioblastoma resistance to immunotherapy. Sci Transl Med 2023; 15:eabq3558. [PMID: 36791206 PMCID: PMC10394757 DOI: 10.1126/scitranslmed.abq3558] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 01/17/2023] [Indexed: 02/17/2023]
Abstract
T cell-based immunotherapy holds promise for treating solid tumors, but its therapeutic efficacy is limited by intratumoral immune suppression. This immune suppressive tumor microenvironment is largely driven by tumor-associated myeloid cells, including macrophages. Here, we report that toosendanin (TSN), a small-molecule compound, reprograms macrophages to enforce antitumor immunity in glioblastoma (GBM) in mouse models. Our functional screen of genetically probed macrophages with a chemical library identifies that TSN reverses macrophage-mediated tumor immunosuppression, leading to enhanced T cell infiltration, activation, and reduced exhaustion. Chemoproteomic and structural analyses revealed that TSN interacts with Hck and Lyn to abrogate suppressive macrophage immunity. In addition, a combination of immune checkpoint blockade and TSN therapy induced regression of syngeneic GBM tumors in mice. Furthermore, TSN treatment sensitized GBM to Egfrviii chimeric antigen receptor (CAR) T cell therapy. These findings suggest that TSN may serve as a therapeutic compound that blocks tumor immunosuppression and circumvents tumor resistance to T cell-based immunotherapy in GBM and other solid tumors that warrants further investigation.
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Affiliation(s)
- Fan Yang
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Duo Zhang
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Haowen Jiang
- Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA
| | - Jiangbin Ye
- Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA
| | - Lin Zhang
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Stephen J. Bagley
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jeffery Winkler
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yanqing Gong
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yi Fan
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
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12
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An overview of Fructus Meliae Toosendan: Botany, traditional uses, phytochemistry, pharmacology and toxicology. Biomed Pharmacother 2023; 157:113795. [PMID: 36395606 DOI: 10.1016/j.biopha.2022.113795] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/20/2022] [Accepted: 10/02/2022] [Indexed: 11/16/2022] Open
Abstract
Fructus Meliae Toosendan (FMT) is the dried and mature fruit of MeLia toosendan Sieb.et Zucc. It contains a variety of chemical constituents and reported to possess a variety of pharmacological activities. This review aims to provide a thorough and organized summary of botany, traditional uses, chemical ingredients, pharmacological actions, toxicity, quality control, and uses. In this review, we have compiled the data regarding FMT from 1994 to 2022 in the databases: Web of Science, PubMed, Google Scholar, CNKI, and Baidu Scholar. The keywords: "Fructus Meliae Toosendan", "botany", "traditional uses","chemical components", "pharmacological activity", "toxicity", "quality control" and "clinical application" have been used to collected the literature published in the online bibliographic databases. Based on the correlation of these documents and FMT, 126 articles were finally selected as references. This paper provides a reasonable summary of the 190 chemical components of FMT and its pharmacological effects and toxicity. Moreover, this paper also compiled the quality control studies and clinical applications. In the future, more experimental studies on FMT are needed to achieve the purpose of toxicity reducing and efficacy enhancing. This comprehensive review of FMT can provide a reference for subsequent relevant studies.
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13
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Luo L, Liang Y, Fu Y, Liang Z, Zheng J, Lan J, Shen F, Huang Z. Toosendanin Induces Hepatocyte Damage by Inhibiting Autophagic Flux via TFEB-Mediated Lysosomal Dysfunction. Pharmaceuticals (Basel) 2022; 15:ph15121509. [PMID: 36558960 PMCID: PMC9781622 DOI: 10.3390/ph15121509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/08/2022] Open
Abstract
Toosendanin (TSN) is a triterpenoid from the fruit or bark of Melia toosendan Sieb et Zucc, which has clear antitumor and insecticidal activities, but it possesses limiting hepatotoxicity in clinical application. Autophagy is a degradation and recycling mechanism to maintain cellular homeostasis, and it also plays an essential role in TSN-induced hepatotoxicity. Nevertheless, the specific mechanism of TSN on autophagy-related hepatotoxicity is still unknown. The hepatotoxicity of TSN in vivo and in vitro was explored in this study. It was found that TSN induced the upregulation of the autophagy-marker microtubule-associated proteins 1A/1B light chain 3B (LC3B) and P62, the accumulation of autolysosomes, and the inhibition of autophagic flux. The middle and late stages of autophagy were mainly studied. The data showed that TSN did not affect the fusion of autophagosomes and lysosomes but significantly inhibited the acidity, the degradation capacity of lysosomes, and the expression of hydrolase cathepsin B (CTSB). The activation of autophagy could alleviate TSN-induced hepatocyte damage. TSN inhibited the expression of transcription factor EB (TFEB), which is a key transcription factor for many genes of autophagy and lysosomes, such as CTSB, and overexpression of TFEB alleviated the autophagic flux blockade caused by TSN. In summary, TSN caused hepatotoxicity by inhibiting TFEB-lysosome-mediated autophagic flux and activating autophagy by rapamycin (Rapa), which could effectively alleviate TSN-induced hepatotoxicity, indicating that targeting autophagy is a new strategy to intervene in the hepatotoxicity of TSN.
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Affiliation(s)
- Li Luo
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yonghong Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuanyuan Fu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhiyuan Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jinfen Zheng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jie Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Feihai Shen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Correspondence: (F.S.); (Z.H.)
| | - Zhiying Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- Correspondence: (F.S.); (Z.H.)
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14
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Zou MF, Fan RZ, Yin AP, Hu R, Huang D, Li W, Yin S, Pu R, Tang GH. Discovery of 29-O-acyl-toosendanin-based derivatives as potent anti-cancer agents. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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15
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罗 海, 潘 阳, 陈 雯, 张 伟, 邵 淑, 杨 清, 李 铁. [Interference of CTPS gene promotes toosendanin-induced apoptosis of human gastric cancer MKN-45 cells]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2022; 42:1126-1133. [PMID: 36073210 PMCID: PMC9458520 DOI: 10.12122/j.issn.1673-4254.2022.08.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the effect of interference of CTPS gene on toosendanin-induced apoptosis of gastric cancer MKN-45 cells. METHODS Bioinformatic analysis was used to analyze CTPS gene expression in human gastric cancer tissues and the overall survival of gastric cancer patients with high CTPS gene expression. Human gastric cancer MKN-45 cells were transfected with a short hairpin interfering RNA targeting CTPS gene, and 48 h later, qRT-PCR and Western blotting were used to detect cellular expression CTPS at both the mRNA and protein levels. MKN-45 cells with CTPS knockdown were treated with 80 nmol/L toosendanin for 48 h, and the cell viability was assessed with MTT assay; the cell morphology was observed using laser confocal microscope, and the expression of γH2AX was detected with immunofluorescence assay. RESULTS Bioinformatic analysis suggested that CTPS was highly expressed in human gastric cancer tissues, and gastric cancer patients with high CTPS gene expression had a shorter overall survival. MKN-45 cells transfected with Sh-CTPS interference vector showed significantly lowered cell survival rate (P < 0.01) with obvious cell shrinkage, irregular morphology, typical apoptotic changes, and increased cell apoptosis rate (P < 0.05). Treatment of the transfected cells with 80 nmol/L toosendanin for 48 h resulted in further reduction of the cell survival rate (P < 0.001), and the cells showed an increased apoptotic rate (P < 0.05) with appearance of apoptotic bodies. CONCLUSION Interference of CTPS gene can promote TSN-induced apoptosis of gastric cancer MKN-45 cells.
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Affiliation(s)
- 海静 罗
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
| | - 阳 潘
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
| | - 雯 陈
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
| | - 伟伟 张
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
- 抗性基因工程与寒地生物多样性保护黑龙江省重点实验室,黑龙江 齐齐哈尔 161006Key Laboratory of Resistant Genetic Engineering and Cold Biodiversity Conservation of Heilongjiang Province, Qiqihar 161006, China
| | - 淑丽 邵
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
- 抗性基因工程与寒地生物多样性保护黑龙江省重点实验室,黑龙江 齐齐哈尔 161006Key Laboratory of Resistant Genetic Engineering and Cold Biodiversity Conservation of Heilongjiang Province, Qiqihar 161006, China
| | - 清竹 杨
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
- 抗性基因工程与寒地生物多样性保护黑龙江省重点实验室,黑龙江 齐齐哈尔 161006Key Laboratory of Resistant Genetic Engineering and Cold Biodiversity Conservation of Heilongjiang Province, Qiqihar 161006, China
| | - 铁 李
- 齐齐哈尔大学生命科学与农林学院,黑龙江 齐齐哈尔 161006College of Life Science and Agroforestry, Qiqihar University, Qiqihar 161006, China
- 抗性基因工程与寒地生物多样性保护黑龙江省重点实验室,黑龙江 齐齐哈尔 161006Key Laboratory of Resistant Genetic Engineering and Cold Biodiversity Conservation of Heilongjiang Province, Qiqihar 161006, China
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16
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Zhang M, Lu C, Su L, Long F, Yang X, Guo X, Song G, An T, Chen W, Chen J. Toosendanin activates caspase-1 and induces maturation of IL-1β to inhibit type 2 porcine reproductive and respiratory syndrome virus replication via an IFI16-dependent pathway. Vet Res 2022; 53:61. [PMID: 35906635 PMCID: PMC9334981 DOI: 10.1186/s13567-022-01077-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is a prevalent and endemic swine pathogen which causes significant economic losses in the global swine industry. Multiple vaccines have been developed to prevent PRRSV infection. However, they provide limited protection. Moreover, no effective therapeutic drugs are yet available. Therefore, there is an urgent need to develop novel antiviral strategies to prevent PRRSV infection and transmission. Here we report that Toosendanin (TSN), a tetracyclic triterpene found in the bark or fruits of Melia toosendan Sieb. et Zucc., strongly suppressed type 2 PRRSV replication in vitro in Marc-145 cells and ex vivo in primary porcine alveolar macrophages (PAMs) at sub-micromolar concentrations. The results of transcriptomics revealed that TSN up-regulated the expression of IFI16 in Marc-145 cells. Furthermore, we found that IFI16 silencing enhanced the replication of PRRSV in Marc-145 cells and that the anti-PRRSV activity of TSN was dampened by IFI16 silencing, suggesting that the inhibition of TSN against PRRSV replication is IFI16-dependent. In addition, we showed that TSN activated caspase-1 and induced maturation of IL-1β in an IFI16-dependent pathway. To verify the role of IL-1β in PRRSV infection, we analyzed the effect of exogenous rmIL-1β on PRRSV replication, and the results showed that exogenous IL-1β significantly inhibited PRRSV replication in Marc-145 cells and PAMs in a dose-dependent manner. Altogether, our findings indicate that TSN significantly inhibits PRRSV replication at very low concentrations (EC50: 0.16–0.20 μM) and may provide opportunities for developing novel anti-PRRSV agents.
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Affiliation(s)
- Mingxin Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Chunni Lu
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Monash University, Clayton, VIC, 3168, Australia
| | - Lizhan Su
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Feixiang Long
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xia Yang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xiaofeng Guo
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Gaopeng Song
- College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Tongqing An
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150069, China
| | - Weisan Chen
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia.
| | - Jianxin Chen
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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17
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Zhang M, Tao Z, Gao L, Chen F, Ye Y, Xu S, Huang W, Li X. Toosendanin inhibits colorectal cancer cell growth through the Hedgehog pathway by targeting Shh. Drug Dev Res 2022; 83:1201-1211. [PMID: 35656621 DOI: 10.1002/ddr.21951] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 04/26/2022] [Accepted: 05/09/2022] [Indexed: 12/15/2022]
Abstract
Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide. This complex and often fatal disease has a high mortality rate. The Hedgehog (Hh) signaling pathway is crucial in CRC. Many studies have indicated that Shh is overexpressed in cancer stem cells (CSCs), and shh overexpression is positively correlated with CRC tumorigenesis. New drugs that kill CRC cells through the Hh pathway are needed. Toosendanin (TSN), a natural triterpenoid saponin extracted from the bark or fruit of Melia toosendan Sieb. et Zucc, can inhibit various tumors. Here, we investigated the effects of TSN in CRC and explored the possible targets and mechanisms. Shh-Light Ⅱ cells were treated with TSN and tested by dual luciferase reporter assays to determine the relationship with the Hh pathway. Cell Counting Kit-8 (CCK-8) assays were used to test the inhibitory effects of TSN on CRC cells. The expression of Hh components after TSN treatment was detected using western blots and quantitative reverse transcription polymerase chain reaction. Cellular thermal shift assays confirmed the targets of TSN. The same effects of TSN on xenograft tumor growth were investigated in vivo. The average weight, volume of the finally resected tumor, and the expression of Shh in the TSN-treated groups were significantly lower than those of the control group. This result strongly suggested that TSN administration inhibited CRC growth in vivo. Our research preliminarily demonstrated that the target of TSN was Shh and that TSN inhibits CRC cell growth by inhibiting the Hh pathway, identifying a new anticancer molecular mechanism of TSN in CRC.
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Affiliation(s)
- Meng Zhang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Zhongyi Tao
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Lijuan Gao
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Fengyang Chen
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yiping Ye
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Shifang Xu
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Wenkang Huang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Xiaoyu Li
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang, China.,Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, China
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18
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The Evolution of Pharmacological Activities Bouea macrophylla Griffith In Vivo and In Vitro Study: A Review. Pharmaceuticals (Basel) 2022; 15:ph15020238. [PMID: 35215350 PMCID: PMC8880147 DOI: 10.3390/ph15020238] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/12/2022] [Accepted: 02/13/2022] [Indexed: 02/05/2023] Open
Abstract
Bouea macrophylla Griffith (B. macrophylla) is one of the many herbal plants found in Asia, and its fruit is plum mango. This plant is rich in secondary metabolites, including flavonoids, tannins, polyphenolic compounds, and many others. Due to its bioactive components, plum mango has powerful antioxidants that have therapeutic benefits for many common ailments, including cardiovascular disease, diabetes, and cancer. This review describes the evolution of plum mango’s phytochemical properties and pharmacological activities including in vitro and in vivo studies. The pharmacological activities of B. macrophylla Griffith reviewed in this article are antioxidant, anticancer, antihyperglycemic, antimicrobial, and antiphotoaging. Each of these pharmacological activities described and studied the possible cellular and molecular mechanisms of action. Interestingly, plum mango seeds show good pharmacological activity where the seed is the part of the plant that is a waste product. This can be an advantage because of its economic value as a herbal medicine. Overall, the findings described in this review aim to allow this plant to be explored and utilized more widely, especially as a new drug discovery.
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19
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Tabnak P, Masrouri S, Mafakheri A. Natural products in suppressing glioma progression: A focus on the role of microRNAs. Phytother Res 2022; 36:1576-1599. [PMID: 35174549 DOI: 10.1002/ptr.7414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 12/07/2021] [Accepted: 01/29/2022] [Indexed: 11/06/2022]
Abstract
Glioma is one of the most common malignancies of the central nervous system. Due to inadequate response to the current treatments available, glioma has been at the center of recent cancer studies searching for novel treatment strategies. This has prompted an intensive search using linkage studies and preliminary evidence to gain efficient insight into the mechanisms involved in the alleviation of the pathogenesis of glioma mediated by miRNAs, a group of noncoding RNAs that affect gene expression posttranscriptionally. Dysregulated expression of miRNAs can exacerbate the malignant features of tumor cells in glioma and other cancers. Natural products can exert anticancer effects on glioma cells by stimulating the expression levels of tumor suppressor miRNAs and repressing the expression levels of oncogenic miRNAs. In this review, we aimed to collect and analyze the literature addressing the roles of natural products in the treatment of glioma, with an emphasis on their involvement in the regulation of miRNAs.
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Affiliation(s)
- Peyman Tabnak
- Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soroush Masrouri
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Asrin Mafakheri
- Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
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Zhang J, Yang F, Mei X, Yang R, Lu B, Wang Z, Ji L. Toosendanin and isotoosendanin suppress triple-negative breast cancer growth via inducing necrosis, apoptosis and autophagy. Chem Biol Interact 2022; 351:109739. [PMID: 34742683 DOI: 10.1016/j.cbi.2021.109739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/19/2021] [Accepted: 11/01/2021] [Indexed: 01/19/2023]
Abstract
Toosendanin (TSN) and isotoosendanin (ITSN) are two natural triterpenoids isolated from Fructus Meliae Toosendan or Cortex Meliae. This study aims to observe the inhibition of TSN and ITSN on the growth of triple-negative breast cancer (TNBC) and the preliminary engaged mechanism. Cell viability assay showed that both TSN and ITSN had obvious cytotoxicity in a variety of tumor cells, and they had the best inhibitory effect on TNBC cells including MDA-MB-231, BT549 and 4T1. Propidium iodide (PI) staining results showed the increased number of necrotic MDA-MB-231 and 4T1 cells induced by TSN (20 nM) and ITSN (2.5 μM). Annexin V-FITC and PI double-staining results showed that TSN (20 nM) and ITSN (2.5 μM) induced cell apoptosis in both MDA-MB-231 and 4T1 cells. Moreover, TSN (20 nM) and ITSN (2.5 μM) induced the cleavage of pro-caspase-3 and pro-caspase-9, and decreased the expression of anti-apoptotic Bcl-xL in both MDA-MB-231 and 4T1 cells. Results from scanning electron microscope observation and detecting the expression of microtubule-associated protein 1 light chain 3B (LC3B) and Beclin 1 evidenced that TSN (20 nM) and ITSN (2.5 μM) induced autophagy in both MDA-MB-231 and 4T1 cells. TSN and ITSN decreased 4T1 xenograft tumor growth without inflicting toxicity on vital organs in mice. Collectively, this study shows that natural compound TSN and ITSN suppress TNBC growth via inducing necrosis, apoptosis and autophagy. TSN and ITSN could be promising drugs for TNBC treatment.
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Affiliation(s)
- Jingnan Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Fan Yang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Xiyu Mei
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Rui Yang
- Guangming Traditional Chinese Medicine Hospital, Shanghai, 201399, China.
| | - Bin Lu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Zhengtao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Lili Ji
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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21
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Sun M, Liu Q, Liang Q, Gao S, Zhuang K, Zhang Y, Zhang H, Liu K, She G, Xia Q. Toosendanin triggered hepatotoxicity in zebrafish via inflammation, autophagy, and apoptosis pathways. Comp Biochem Physiol C Toxicol Pharmacol 2021; 250:109171. [PMID: 34454086 DOI: 10.1016/j.cbpc.2021.109171] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/15/2021] [Accepted: 08/18/2021] [Indexed: 12/12/2022]
Abstract
Toosendanin (TSN) is a crucial component from Toosendan Fructus with a promising anti-tumor capacity. It is also the primary suspect hepatotoxic component of Toosendan Fructus. However, the mechanisms underlying TSN-induced liver injury are still largely unknown. In present study, we evaluated the hepatotoxicity of TSN on zebrafish and explored the role of inflammation, autophagy, and apoptosis in TSN-induced hepatotoxicity. We found that TSN treatment decreased the area and fluorescence intensity of zebrafish liver in time- and dose-dependent manners at nonlethal concentrations. The ALT and AST activities were increased after TSN treatment. Severe cytoplasmic vacuolation and nuclear shrank were found in the liver of TSN-treated zebrafish. The expression profile of genes demonstrated that inflammation, autophagy and apoptosis pathways were involved in TSN-induced hepatotoxicity. Our study demonstrated for the first time that TSN treatment gave rise to liver injury in zebrafish, and inflammation, autophagy, apoptosis played a role in TSN-induced hepatotoxicity.
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Affiliation(s)
- Meng Sun
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Qing Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Qiuxia Liang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Shuo Gao
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; School of Pharmacy, Hebei University, Baoding 071002, China
| | - Kaiyan Zhuang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong Province, Jinan 250103, China
| | - Yun Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong Province, Jinan 250103, China
| | - Huazheng Zhang
- Shandong Academy of Chinese Medicine, Jinan 250014, China
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong Province, Jinan 250103, China.
| | - Gaimei She
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China.
| | - Qing Xia
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China; Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong Province, Jinan 250103, China.
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22
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Zhang C, Gao H, Liu Z, Lai J, Zhan Z, Chen Y, Huang H. Mechanisms involved in the anti-tumor effects of Toosendanin in glioma cells. Cancer Cell Int 2021; 21:492. [PMID: 34530814 PMCID: PMC8444588 DOI: 10.1186/s12935-021-02186-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/30/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Toosendanin (TSN) is a triterpenoid compound mainly used as an ascaris repellant. Recent studies have shown that it possesses antitumor effects in many types of tumor cells. However, the effects of TSN on glioma cells have rarely been reported. METHODS Different assays were performed to investigate the effects of TSN on the different glioma cell lines including U87MG and LN18. The assays included colony formation, wound healing, and transwell assays. Furthermore, Hoechst 33342 staining, flow cytometry, and western blotting analysis were performed to investigate the apoptotic activities of TSN. Finally, the results were confirmed using a xenograft tumor model that comprised of nude mice. RESULTS In vitro, the CCK-8 and colony formation assays showed that TSN effectively inhibited glioma cell proliferation. Moreover, the inhibitory effects on glioma cell migration and invasion were demonstrated through the wound healing and transwell assays, respectively. Hoechst 33342 staining, flow cytometry, and western blotting assays demonstrated the significant effect of TSN in the apoptosis induction of glioma cells. Furthermore, the anti-glioma effect of TSN was exerted through the inhibition of the PI3K/Akt/mTOR signaling pathways as demonstrated by western blotting analysis. In addition, the effects of TSN on glioma cell viability, apoptosis, cell cycle arrest, migration, and invasion were reversed by 740Y-P, a PI3K activator. Finally, the mouse xenograft model confirmed the suppressive effect of TSN on tumor growth in vivo. CONCLUSION Our results suggest that TSN is a promising chemotherapeutic drug for patients with glioma.
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Affiliation(s)
- Chaochao Zhang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Haijun Gao
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Ziqiang Liu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Jiacheng Lai
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Zhixin Zhan
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yong Chen
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China.
| | - Haiyan Huang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China.
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23
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Yang T, Huo J, Xu R, Zhang Y. Synergistic effect of toosendanin and regorafenib against cell proliferation and migration by regulating WWOX signaling pathway in hepatocellular carcinoma. Phytother Res 2021; 35:4567-4578. [PMID: 34058790 DOI: 10.1002/ptr.7174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 04/26/2021] [Accepted: 05/11/2021] [Indexed: 12/24/2022]
Abstract
Regorafenib (RGF), a second-line multi-kinase inhibitor in the treatment of HCC (hepatocellular carcinoma) after sorafenib failure, exposes to the risk of drug resistance and subsequent progression of HCC patients. Toosendanin (TSN), a triterpenoid has presented excellent inhibition on several tumors. The purpose of this study is to investigate the inhibitory effect of the combination of TSN and RGF on HCC cells. We identified that TSN and RGF combination (TRC) synergistically inhibited the proliferation and migration of MHCC-97L cells. The upregulation of WWOX (WW-domain containing oxidoreductase) played a vital role in the HCC cell growth treated with TRC. TRC suppressed the phosphorylation of Stat3 and expression of DVL2, negatively regulated the activity of β-catenin by promoting the phosphorylation of GSK3β. In addition, the intranuclear proteins, including MMP2, MMP9, and C-MYC were significantly inhibited by TRC. The in vivo xenograft models confirmed that TRC effectually prevented the tumor growth through upregulating WWOX. Therefore, the treatment of TRC may be a potential solution of RGF resistance and promising therapeutic method in malignant HCC.
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Affiliation(s)
- Tianfeng Yang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China.,State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, China
| | - Jian Huo
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China.,State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, China
| | - Rui Xu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China.,State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, China
| | - Yanmin Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China.,State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, China
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24
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Zhang Y, Yan G, Song M, Bian X, Xu T, Zhang Y, Wu JL, Chan G, Zhang Q, Li N. Identification and quantification of markers in Azedarach Fructus and Toosendan Fructus. J Pharm Biomed Anal 2021; 202:114173. [PMID: 34082164 DOI: 10.1016/j.jpba.2021.114173] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 05/08/2021] [Accepted: 05/23/2021] [Indexed: 11/27/2022]
Abstract
Toosendan Fructus with various pharmaceutical activities is a good source for the finding of new bioactive components, especially limonoids inside have been reported to have anticancer and antifeedant activities. To find more potential new bioactive compounds, the mass spectrometric characteristics of nimbolinin-type limonoids were first investigated. Utilizing these characteristics, totally 60 nimbolinins, including 33 new ones and at least 10 bioactive compounds, were identified by ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UHPLC-Q-TOF/MS). Furthermore, based on UHPLC-Q-TOF/MS and statistical analysis, 9 limonoids were identified to be the differential components between Toosendan Fructus and Azedarach Fructus. Particularly, nimbolinin A and toosendanin (TSN) with higher content in Azedarach Fructus and Toosendan Fructus respectively should be good markers. Finally, an UHPLC-triple quadrupole mass spectrometry (UHPLC-QQQ/MS) quantification approach for nimbolinin A and TSN was developed for their quality control. These results provided the basis for drug development and quality control of Toosendan Fructus and Azedarach Fructus.
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Affiliation(s)
- Yaqi Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Guanyu Yan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Min Song
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China
| | - Xiqing Bian
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Tiantian Xu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Yida Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Jian-Lin Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China
| | - Ging Chan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China
| | - Qingwen Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China.
| | - Na Li
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao SAR, China.
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25
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Yang T, Xu R, Huo J, Wang B, Du X, Dai B, Zhu M, Zhan Y, Zhang D, Zhang Y. WWOX activation by toosendanin suppresses hepatocellular carcinoma metastasis through JAK2/Stat3 and Wnt/β-catenin signaling. Cancer Lett 2021; 513:50-62. [PMID: 34015398 DOI: 10.1016/j.canlet.2021.05.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/28/2021] [Accepted: 05/10/2021] [Indexed: 02/02/2023]
Abstract
Hepatocellular carcinoma (HCC) is the third most common cause of cancer-related deaths worldwide. Loss of WW-domain containing oxidoreductase (WWOX) has been proven to be associated with malignant metastasis in patients with HCC. In this study, by using a non-biased CRISPR knockout genetic screen targeting 19,050 human genes, we found that toosendanin (TSN) is a novel druggable WWOX candidate agonist for metastatic HCC patients. We also found that TSN exhibited significant anti-proliferative and anti-metastatic effects on HCC cells in a WWOX-dependent manner. Overexpression and knockdown of WWOX in vitro and in vivo confirmed that the suppression of HCC by TSN involved WWOX. TSN regulated Stat3, DVL2, and GSK3β by transforming their interactions with WWOX as demonstrated by a Co-IP assay. TSN accelerated the degradation of β-catenin by promoting the function of APC, AXIN1, CK1, and GSK3β complex. Nuclear translocation of p-Stat3 Y705 and β-catenin was impeded by the TSN-induced blockade of JAK2/Stat3 and Wnt/β-catenin signaling, accompanied by the inhibition of MMPs and C-MYC.
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Affiliation(s)
- Tianfeng Yang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Rui Xu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Jian Huo
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Bo Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Xia Du
- Institute of Traditional Chinese Medicine, Shaanxi Academy of Traditional Chinese Medicine, Xi'an, 710003, PR China
| | - Bingling Dai
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Man Zhu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Yingzhuan Zhan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Dongdong Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China
| | - Yanmin Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an, 710061, PR China.
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Zang L, Xu H, Huang C, Wang C, Wang R, Chen Y, Wang L, Wang H. A link between chemical structure and biological activity in triterpenoids. Recent Pat Anticancer Drug Discov 2021; 17:145-161. [PMID: 33982656 DOI: 10.2174/1574892816666210512031635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/04/2021] [Accepted: 03/16/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Plants with triterpenoid compounds in nature have various biological activities and are reported in many scientific works of literature. Triterpenoids are compounds that draw the attention of scientists because of their wide source, wide variety, high medicinal value, and anti-tumor properties. However, a lack of approach to understand their chemical structures has limited the fundamental comprehension of these compounds in cancer cell therapy. OBJECTIVE To seek anti-cancer activity of the structures of triterpenoid compounds and their derivatives, we summarized a number of plants and their derivatives that are a source of potential novel therapeutic anti-cancer agents. METHODS This work focuses on relevant 1036 patents and references that detail the structure of organic compounds and derivatives for the treatment of tumors. RESULT Compared to tetracyclic triterpenoid, pentacyclic triterpenoid has contributed more to improve the autophagic signaling pathways of cancer cells. CONCLUSION The heterogenous skeleton structure of triterpenoids impaired the programmed cell death signaling pathway in various cancers.
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Affiliation(s)
- Li Zang
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Hao Xu
- College of Clinical Medicine, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Chao Huang
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Cunqin Wang
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Rongbin Wang
- Anhui College of Traditional Chinese Medicine, Wuhu, Anhui 241000, China
| | - Ying Chen
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Lei Wang
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Hongting Wang
- College of Pharmacy, Wannan Medical College, Wuhu, Anhui 241002, China
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27
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Shen S, Xiong J, Zeng Z, Zhao H, Zeng X, Fu B. Toosendanin Affects the Occurrence and Development of Prostate Carcinoma Cells DU145 by Regulating Forkhead Box C2-Antisense RNA 1. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Prostate carcinoma is a common malignant tumor of the male genitourinary system. Toosendanin can inhibit the biological behavior of a variety of malignant tumor cells (such as ovarian carcinoma, lung carcinoma, and breast carcinoma, etc.), but its effect on the malignant behavior of
prostate carcinoma cells and its mechanism are not yet understood. Therefore, this article discusses the influence of toosendanin on the multiplication, apoptosis, migration, and invasion of prostate carcinoma cells and its possible mechanism. Different doses (0.125, 0.25, 0.5 ^M) of toosendanin
can reduce the cell viability, number of colonies, number of migrating cells, number of invasive cells, and Bcl-2 protein and FOXC2-AS1 levels of prostate carcinoma cells, as well as increase the apoptosis rate and Bax protein level. Overexpression of FOXC2-AS1 can increase the cell viability,
number of colonies formed, number of migrating cells, number of invasive cells, and Bcl-2 protein expression, as well as reduce the rate of apoptosis and Bax protein level after toosendanin treatment of prostate carcinoma cells. It was demonstrated that toosendanin may inhibit the multiplication,
migration, and invasion of prostate carcinoma cells and promote its apoptosis by down-regulating FOXC2-AS1 expression.
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Affiliation(s)
- Siyao Shen
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, PR China
| | - Junhui Xiong
- Department of Urology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang 330003, Jiangxi, PR China
| | - Zhigang Zeng
- Department of Urology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang 330003, Jiangxi, PR China
| | - Hong Zhao
- Department of Urology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang 330003, Jiangxi, PR China
| | - Xiaochun Zeng
- Department of Urology, Jiangxi Province Hospital of Integrated Chinese and Western Medicine, Nanchang 330003, Jiangxi, PR China
| | - Bin Fu
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, PR China
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Singh A, Singh DK, Kharwar RN, White JF, Gond SK. Fungal Endophytes as Efficient Sources of Plant-Derived Bioactive Compounds and Their Prospective Applications in Natural Product Drug Discovery: Insights, Avenues, and Challenges. Microorganisms 2021; 9:197. [PMID: 33477910 PMCID: PMC7833388 DOI: 10.3390/microorganisms9010197] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/05/2021] [Accepted: 01/13/2021] [Indexed: 12/23/2022] Open
Abstract
Fungal endophytes are well-established sources of biologically active natural compounds with many producing pharmacologically valuable specific plant-derived products. This review details typical plant-derived medicinal compounds of several classes, including alkaloids, coumarins, flavonoids, glycosides, lignans, phenylpropanoids, quinones, saponins, terpenoids, and xanthones that are produced by endophytic fungi. This review covers the studies carried out since the first report of taxol biosynthesis by endophytic Taxomyces andreanae in 1993 up to mid-2020. The article also highlights the prospects of endophyte-dependent biosynthesis of such plant-derived pharmacologically active compounds and the bottlenecks in the commercialization of this novel approach in the area of drug discovery. After recent updates in the field of 'omics' and 'one strain many compounds' (OSMAC) approach, fungal endophytes have emerged as strong unconventional source of such prized products.
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Affiliation(s)
- Archana Singh
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India;
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Dheeraj K. Singh
- Department of Botany, Harish Chandra Post Graduate College, Varanasi 221001, India
| | - Ravindra N. Kharwar
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - James F. White
- Department of Plant Biology, Rutgers University, New Brunswick, NJ 08901, USA
| | - Surendra K. Gond
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India;
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Li H, Zhang J, Ma T, Li C, Ma Z, Zhang X. Acting target of toosendanin locates in the midgut epithelium cells of Mythimna separate Walker larvae (lepidoptera: Noctuidae). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110828. [PMID: 32531576 DOI: 10.1016/j.ecoenv.2020.110828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/15/2020] [Accepted: 05/27/2020] [Indexed: 06/11/2023]
Abstract
Toosendanin (TSN), which is extracted from the root bark of Melia toosendan Siebold and Zuccarini, has multiple modes of action against insects. Especially, this compound has a potent stomach poisoning activity against several lepidoptera pests. In this paper, the signs of toxicity, digestive enzymes activity, the histopathological changes and immuno-electron microscopic localization of TSN in the midgut epithelium of Mythimna separate Walker larvae were investigated for better understanding its action mechanism against insects. The bioassay results indicated that TSN has strong stomach poisoning against the fifth-instar larvae of M. separata (LC50 = 252.23 μg/mL). The typical poisoned symptom were regurgitation and paralysis. Activities of digestive enzymes had no obvious changes after treatment with LC80 dose of TSN. The midgut epithelial cells of insect were damaged by TSN, showing the degeneration of microvilli, hyperplasia of smooth endoplasmic reticulum and condensation of chromatin. Immunohistochemical analysis revealed that the gold particles existed on the microvilli of columnar cells and goblet cells, and gradually accumulated with the exacerbation of poisoning symptoms, showing that TSN targets on the microvilli of the midgutcells. Therefore, TSN acts on digestive system and locates in the microvilli of midgutcells of M. separata.
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Affiliation(s)
- Hai Li
- College of Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jing Zhang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Science, Haikou, 571010, China
| | - Ting Ma
- College of Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Chao Li
- College of Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Zhiqing Ma
- College of Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, China; Provincial Center for Bio-Pesticide Engineering, Yangling, Shaanxi Province, 712100, China.
| | - Xing Zhang
- Provincial Center for Bio-Pesticide Engineering, Yangling, Shaanxi Province, 712100, China
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Shao S, Li S, Liu C, Zhang W, Zhang Z, Zhu S, Feng Y, Pan Y. Toosendanin induces apoptosis of MKN‑45 human gastric cancer cells partly through miR‑23a‑3p‑mediated downregulation of BCL2. Mol Med Rep 2020; 22:1793-1802. [PMID: 32582989 PMCID: PMC7411345 DOI: 10.3892/mmr.2020.11263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 05/22/2020] [Indexed: 12/17/2022] Open
Abstract
Toosendanin (TSN) is a tetracyclic triterpenoid extracted from Melia toosendan Sieb, et Zucc, which primarily grows in specific areas of China. Although toosendanin (TSN) exerts antitumoral effects on various human cancer cells, its influence on gastric cancer (GC) is remains to be elucidated. MicroRNAs (miRNAs/miRs) serve crucial roles in apoptosis and proliferation of cancer cells. miR-23a-3p has been shown to be associated with human GC; however, the specific function of miR-23a-3p in GC remains unclear. Therefore, the present study aimed to elucidate the role of miR-23a-3p in the regulation of GC cell proliferation and apoptosis induced in vitro by TSN treatment. Subsequently, apoptosis-related genes expression levels were quantified by reverse transcription-quantitative PCR and western blot analysis, respectively, and the target relationship between miR-23a-3p and BCL2 was determined by luciferase reporter gene analysis. Additionally, cell proliferation and apoptosis experiments were carried out. The results indicated that TSN inhibited proliferation and induced apoptosis in MKN-45 cells. Moreover, it upregulated the expression of miR-23a-3p. B-cell lymphoma-2 (BCL2) was identified as a potential target gene of miR-23a-3p, which was demonstrated to bind to the 3′-untranslated region of BCL2 mRNA, as detected by the luciferase reporter assay. Further studies revealed that BCL2 expression was downregulated following overexpression of miR-23a-3p. In addition, the overexpression of the miR-23a-3p inhibited proliferation, induced G1 arrest and increased apoptosis in MKN-45 cells. The results of the present study demonstrated that miR-23a-3p inhibited proliferation and induced apoptosis of GC cells, which may be attributable to its direct targeting of BCL2. These results may provide a novel insight into the apoptosis of GC cells, and may lead to investigations into the mechanisms of the effects of TSN.
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Affiliation(s)
- Shuli Shao
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Shanshan Li
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Chang Liu
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Weiwei Zhang
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Zhenzhu Zhang
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Shaowei Zhu
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Yunjianan Feng
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Yang Pan
- Department of Life Science and Agroforestry, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
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Toosendanin relatives, trypanocidal principles from Meliae Cortex. J Nat Med 2020; 74:702-709. [PMID: 32529328 DOI: 10.1007/s11418-020-01422-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/07/2020] [Indexed: 12/30/2022]
Abstract
Africa Trypanosomiasis remains a serious health problem, but the approved drugs for this disease are so few that novel trypanocidal compounds are demanded. In search for trypanocidal principles from medicinal plants, we found MeOH extracts of Meliae Cortex with potent activity through the screening from about 300 kinds of methanolic extract. By bioassay-guided fractionation from this extract through the liquid-liquid partition and subsequent chromatographic technique using silica gel and ODS, finally we disclosed toosendanin (1) and its relatives as active principles. These active congeners showed not only potent trypanocidal activity but also little cytotoxicity to display the excellent selective index. Taking the isolated amount as well as trypanocidal activity into consideration, 1 was disclosed to be the responsible active principle in Meliae Cortex. Additionally, the derivatives of 1 were chemically prepared from 1 and bioactivity of them were also evaluated. Through the comparison with their trypanocidal activity among the isolated relatives and the synthesized derivatives of 1, the epoxide moiety was revealed to be essential for their potent trypanocidal activity. Furthermore, 3-O-acetyl group and 7-hydroxyl group were presumed to be important functional groups and introduction of methylpropionyl group into hemiacetal hydroxy moiety was clarified to enhance their typanocidal activity.
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