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Li X, He A, Liu C, Li Y, Luo Y, Xiong W, Nian W, Zuo D. Pachymic acid activates TP53INP2/TRAF6/caspase-8 pathway to promote apoptosis in renal cell carcinoma cells. Environ Toxicol 2024. [PMID: 38560766 DOI: 10.1002/tox.24195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/26/2024] [Accepted: 02/10/2024] [Indexed: 04/04/2024]
Abstract
While pachymic acid (PA), a key component of Poria cocos (Schw.), has demonstrated anti-tumor effects in lung, breast, and pancreatic cancers, its impact on renal cell carcinoma (RCC) is unclear. This study evaluated the effect of PA on proliferation, migration, and apoptosis in human renal cancer A498 and ACHN cells as well as in cancer xenograft mice using wound scratch test, Western blotting, and co-immunoprecipitation assays. In a dose- and time-dependent manner, PA exhibited significant inhibition of RCC cell proliferation, migration, and invasion, accompanied by the induction of apoptosis. Additionally, PA upregulated the expression of tumor protein p53-inducible nuclear protein 2 (TP53INP2) and tumor necrosis factor receptor-associated factor 6 (TRAF6), which were downregulated in renal papillary and chromophobe carcinoma, resulting in inhibited tumor growth in mice. PA treatment elevated cleaved-caspase 3 and 8, and PARP levels, and facilitated TP53INP2 and TRAF6 binding to caspase 8, promoting its ubiquitination. Molecular docking revealed interactions between PA and TP53INP2, TRAF6. In summary, PA inhibits RCC development by upregulating TP53INP2 and promoting TRAF6-induced caspase 8 ubiquitination, activating apoptotic pathways.
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Affiliation(s)
- Xunjia Li
- Department of Nephrology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
- Department of Research and Development, Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China
| | - An He
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chengxuan Liu
- Department of Nephrology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Ying Li
- Department of Nephrology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Yan Luo
- Department of Nephrology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Weijian Xiong
- Department of Nephrology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Weiqi Nian
- Department of Oncology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Deyu Zuo
- Department of Rehabilitation Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
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Hu S, Yang B, Li B, Fan Q, Wu T, Li S, Wang D, Yang T, Song Z. RNA-Seq Analysis Reveals Potential Neuroprotective Mechanisms of Pachymic Acid Toward Iron-Induced Oxidative Stress and Cell Death. Cell Transplant 2024; 33:9636897231218382. [PMID: 38314688 PMCID: PMC10845991 DOI: 10.1177/09636897231218382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 11/15/2023] [Accepted: 11/18/2023] [Indexed: 02/07/2024] Open
Abstract
Iron dysregulation is a crucial factor in the development of neurological diseases, leading to the accumulation of reactive oxygen species (ROS) and oxidative stress, triggering inflammatory responses, and ultimately causing neurological impairment. Pachymic acid (PA) is an active ingredient extracted from the medicinal fungus Poria cocos, which has been reported with multiple pharmacological effects, including anti-inflammatory, anti-ischemia/reperfusion, and anticancer actions. In this study, we test whether PA have neuroprotection effect aganist ferrous ions induced toxicity in SH-SY5Y cells. It was found that pre-treatment with PA reduced intracellular ROS levels, increased mitochondrial membrane potential, and protected cells from apoptotic death. RNA-seq and qRT-PCR results indicated that PA can regulate the key genes IL1B, CXCL8, CCL7, and LRP1 on the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, such as NF-κB signaling pathway, IL-17 signaling pathway, to prevent Fe2+-induced apoptotic cell death. Our research indicated that PA has potential therapeutic effects on the neuroprotection by regulating neuroinflammation and oxidative stress damage.
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Affiliation(s)
- Shuyang Hu
- State Key Laboratory of Digital Medical Engineering, Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Haikou, China
| | - Baili Yang
- State Key Laboratory of Digital Medical Engineering, Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Haikou, China
| | - Binbin Li
- Department of Rehabilitation Medicine, Haikou Hospital Affiliated to Xiangya Medical College of Central South University, Haikou, China
| | - Qianqian Fan
- Department of Rehabilitation Medicine, Haikou Hospital Affiliated to Xiangya Medical College of Central South University, Haikou, China
| | - Tinglong Wu
- State Key Laboratory of Digital Medical Engineering, Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Haikou, China
| | - Shanshan Li
- College of Pharmacy, Hainan Medical University, Haikou, China
| | - Dong Wang
- State Key Laboratory of Digital Medical Engineering, Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Haikou, China
| | - Tao Yang
- College of Pharmacy, Hainan Medical University, Haikou, China
| | - Zhenghua Song
- Department of Rehabilitation Medicine, Haikou Hospital Affiliated to Xiangya Medical College of Central South University, Haikou, China
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Liu D, Ding J, Li Z, Lu Y. Pachymic acid (PA) inhibits ferroptosis of cardiomyocytes via activation of the AMPK in mice with ischemia/reperfusion-induced myocardial injury. Cell Biol Int 2024; 48:46-59. [PMID: 37750505 DOI: 10.1002/cbin.12090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/02/2023] [Accepted: 09/02/2023] [Indexed: 09/27/2023]
Abstract
Pachymic acid (PA) is a lanostane-type triterpenoid with various pharmacological effects. However, little is known about the effect of PA on myocardial infarction (MI) induced by ischemia/reperfusion (I/R). In this study, we aimed to investigate the protective effect of PA and its underlying mechanism. A cellular MI model was established by oxygen-glucose deprivation and reperfusion (OGD/R) treatment in HL-1 cardiomyocytes, and we found that OGD/R treatment decreased cell viability and glutathione peroxide (GSH-Px) activity, increased Fe2+ concentration and lactate dehydrogenase (LDH) activity, promoted malondialdehyde (MDA) and reactive oxygen species (ROS) production, and inhibited the expression of ferroptosis marker proteins SLC7A11 and GPX4 in a time-dependent manner. OGD/R-induced HL-1 cells were pretreated with different concentrations of PA (0, 20, 40, 60 μg/mL) for 24 h, and toxicological experiments showed that 150 μg/mL PA decreased cell viability, while low concentrations of PA had no toxic effect on cells. 20 μg/mL PA reversed the inhibitory effect of OGD/R on cell viability, reduced MDA and ROS production, and Fe2+ accumulation, increased GSH-Px activity and the expression of SLC7A11 and GPX4, and decreased LDH activity, especially at 60 μg/mL PA. Meanwhile, PA promoted the phosphorylation of IRS-1, AKT, and AMPK proteins in a dose-dependent manner. AICAR, an AMPK activator, inhibited ferroptosis, while STO-609, an AMPK inhibitor, largely abolished the effect of PA on OGD/R-induced ferroptosis of HL-1 cells. In addition, PA inhibited ferroptosis and myocardial I/R injury in wild-type mice and AMPK knockout (AMPK-/- ) mice. Collectively, PA inhibited ferroptosis of cardiomyocytes through activating of the AMPK pathway, thereby alleviating myocardial I/R injury in mice.
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Affiliation(s)
- Dongmin Liu
- Cardiovascular Department I, Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, China
| | - Jiru Ding
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhenzhen Li
- Shaanxi University of Chinese Medicine, Xianyang, China
| | - Youquan Lu
- Shaanxi University of Chinese Medicine, Xianyang, China
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Xue C, Xu Z, Liu Z, Zeng C, Ye Q. Pachymic acid protects hepatic cells against oxygen-glucose deprivation/reperfusion injury by activating sirtuin 1 to inhibit HMGB1 acetylation and inflammatory signaling. CHINESE J PHYSIOL 2023; 66:239-247. [PMID: 37635483 DOI: 10.4103/cjop.cjop-d-22-00118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
Ischemia-reperfusion injury is an important cause of liver injury occurring during liver transplantation. It is usually caused by inflammatory response and oxidative stress-induced oxidative damage. Pachymic acid (PA) has various biological activities such as anti-inflammatory, antioxidant and anti-cancer. However, the action mechanism of PA in hepatic ischemia-reperfusion injury is currently unknown. In this study, liver cells were subjected to oxygen-glucose deprivation/reperfusion (OGD/R) to simulate a hepatic ischemia-reperfusion injury model. The binding relationship between PA and sirtuin 1 (SIRT1) was analyzed by molecular docking. Cell viability was detected by Cell Counting Kit-8. Expression levels of SIRT1 and high mobility group box 1 (HMGB1) were detected by western blot. Subsequent levels of inflammatory factors were detected by related kits and western blot. Meanwhile, related kits were used to examine levels of oxidative stress markers including reactive oxygen species, malondialdehyde, superoxide dismutase and cytotoxicity-associated lactate dehydrogenase. Finally, cell apoptosis was detected by flow cytometry and western blot. The results showed that PA significantly ameliorated OGD/R-induced decrease in SIRT1 expression, increase in HMGB1 acetylation and HMGB1 translocation. Moreover, the elevated levels of inflammatory factors, oxidative stress indexes and cell apoptosis upon exposure to OGD/R were reversed by PA treatment. Moreover, the addition of SIRT1 agonist and inhibitor further demonstrated that PA exerted the aforementioned effects in OGD/R-exposed cells by targeting SIRT1. Thus, the present study revealed the mechanism by which PA ameliorated OGD/R-induced hepatic injury via SIRT1. These results might provide a clearer theoretical basis for the targeted treatment of OGD/R-induced hepatic injury with PA.
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Affiliation(s)
- Chengbiao Xue
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Zhigao Xu
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Zhongzhong Liu
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Cheng Zeng
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei; Research Center of National Health Ministry on Transplantation Medicine Engineering and Technology, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
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Pan ZS, Chen YL, Tang KJ, Liu ZZ, Liang JL, Guan YH, Xin XY, Liu CH, Shen CP. Pachymic acid modulates sirtuin 6 activity to alleviate lipid metabolism disorders. Exp Ther Med 2023; 26:320. [PMID: 37273757 PMCID: PMC10236048 DOI: 10.3892/etm.2023.12019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 03/01/2023] [Indexed: 06/06/2023] Open
Abstract
Pachymic acid (Pac), a major bioactive constituent of Poria cocos, is an antioxidant that inhibits triglyceride (TG) accumulation. To the best of our knowledge, the present study investigated for the first time whether Pac activated sirtuin 6 (SIRT6) signaling to alleviate oleic acid (OA)-palmitic acid (PA)-induced lipid metabolism disorders in mouse primary hepatocytes (MPHs). In the present study, MPHs challenged with Pac were used to test the effects of Pac on intracellular lipid metabolism. Molecular docking studies were performed to explore the potential targets of Pac in defending against lipid deposition. MPHs isolated from liver-specific SIRT6-deficient mice were subjected to OA + PA incubation and treated with Pac to determine the function and detailed mechanism. It was revealed that Pac activated SIRT6 by increasing its expression and deacetylase activity. Pa prevented OA + PA-induced lipid deposition in MPHs in a dose-dependent manner. Pac (50 µM) administration significantly reduced TG accumulation and increased fatty acid oxidation rate in OA + PA-incubated MPHs. Meanwhile, as per the results of molecular docking and relative mRNA levels, Pac activated SIRT6 and increased SIRT6 deacetylation levels. Furthermore, SIRT6 deletions in MPHs abolished the protective effects of Pac against OA + PA-induced hepatocyte lipid metabolism disorders. The present study demonstrated that Pac alleviates OA + PA-induced hepatocyte lipid metabolism disorders by activating SIRT6 signaling. Overall, SIRT6 signaling increases oxidative stress burden and promotes hepatocyte lipolysis.
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Affiliation(s)
- Zhi-Sen Pan
- Department of Traditional Chinese Medicine, The First People's Hospital of Kashgar Prefecture, Kashgar, Xinjiang Uyghur Autonomous Region 844000, P.R. China
- Department of Endocrinology, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Yan-Ling Chen
- Department of Endocrinology, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Kai-Jia Tang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Zhang-Zhou Liu
- Department of Endocrinology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Jia-Li Liang
- Department of Endocrinology, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Yan-Hao Guan
- Department of Endocrinology, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Xiao-Yi Xin
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang Uyghur Autonomous Region 830011, P.R. China
| | - Chang-Hui Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Chuang-Peng Shen
- Department of Traditional Chinese Medicine, The First People's Hospital of Kashgar Prefecture, Kashgar, Xinjiang Uyghur Autonomous Region 844000, P.R. China
- Department of Endocrinology, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
- Department of Endocrinology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang Uyghur Autonomous Region 830011, P.R. China
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Shao R, Yang Z, Zhang W, Zhang N, Zhao Y, Zhang X, Zuo L, Ge S. [ Pachymic acid protects against Crohn's disease-like intestinal barrier injury and colitis in miceby suppressingintestinal epithelial cell apoptosis via inhibiting PI3K/AKT signaling]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:935-942. [PMID: 37439165 DOI: 10.12122/j.issn.1673-4254.2023.06.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
OBJECTIVE To investigate the effect of pachymic acid (PA) against TNBS-induced Crohn's disease (CD)-like colitis in mice and explore the possible mechanism. METHODS Twenty-four C57BL/6J mice were randomized equally into control group, TNBS-induced colitis model group and PA treatment group. PA treatment was administered via intraperitoneal injection at the daily dose of 5 mg/kg for 7 days, and the mice in the control and model groups were treated with saline. After the treatments, the mice were euthanized for examination of the disease activity index (DAI) of colitis, body weight changes, colon length, intestinal inflammation, intestinal barrier function and apoptosis of intestinal epithelial cells, and the expressions of TNF-α, IL-6 and IL-1β in the colonic mucosa were detected using ELISA. The possible treatment targets of PA in CD were predicted by network pharmacology. String platform and Cytoscape 3.7.2 software were used to construct the protein-protein interaction (PPI) network. David database was used to analyze the GO function and KEGG pathway; The phosphorylation of PI3K/AKT in the colonic mucosal was detected with Western blotting. RESULTS PA significantly alleviated colitis in TNBS-treated mice as shown by improvements in the DAI, body weight loss, colon length, and histological inflammation score and lowered levels of TNF-α, IL-6 and IL-1β. PA treatment also significantly improved FITC-dextran permeability, serum I-FABP level and colonic transepithelial electrical resistance, and inhibited apoptosis of the intestinal epithelial cells in TNBS-treated mice. A total of 248 intersection targets were identified between PA and CD, and the core targets included EGFR, HRAS, SRC, MMP9, STAT3, AKT1, CASP3, ALB, HSP90AA1 and HIF1A. GO and KEGG analysis showed that PA negatively regulated apoptosis in close relation with PI3K/AKT signaling. Molecular docking showed that PA had a strong binding ability with AKT1, ALB, EGFR, HSP90AA1, SRC and STAT3. In TNBS-treated mice, PA significantly decreased p-PI3K and p-AKT expressions in the colonic mucosa. CONCLUSION PA ameliorates TNBS-induced intestinal barrier injury in mice by antagonizing apoptosis of intestinal epithelial cells possibly by inhibiting PI3K/AKT signaling.
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Affiliation(s)
- R Shao
- Cardiogram Room, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Z Yang
- Clinical Medical School, Bengbu 233000, China
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - W Zhang
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - N Zhang
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Y Zhao
- Clinical Medical School, Bengbu 233000, China
- Anhui Provincial Key Laboratory of Tissue Transplantation, Bengbu 233000, China
| | - X Zhang
- Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - L Zuo
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - S Ge
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
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Jiang F, Zhu T, Yang C, Chen Y, Fu Z, Jiang L, Liu Y. Pachymic Acid Inhibits Growth and Metastatic Potential in Liver Cancer HepG2 and Huh7 Cells. Biol Pharm Bull 2023; 46:35-41. [PMID: 36273899 DOI: 10.1248/bpb.b22-00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Pachymic acid (PA), exacted from Polyporaceae, has been known for its biological activities including diuretic, dormitive, anti-oxidant, anti-aging, anti-inflammatory and anticancer properties in several types of diseases. Recently, studies have demonstrated that PA could suppress cell growth and induce cell apoptosis in different kinds of cancer cells. But the underlying mechanisms remain poorly elucidated. In the current study, we investigated the effect of pachymic acid on liver cancer cells and its underlying mechanisms. Our results evidenced that pachymic acid effectively inhibited the cell growth and metastatic potential in HepG2 and Huh7 cells. Mechanistically, we revealed that pachymic acid triggered cell apoptosis by increasing caspase 3 and caspase 9 cleavage, upregulating Bax and cytochrome c expression, while reducing the expression of Bcl2. Besides, pachymic acid could markedly inhibit the cell invasion and migration and cell metastatic potential by mediating epithelial-to-mesenchymal transition (EMT) markers and metastasis-associated genes in HepG2 and Huh7 cells. In addition, we demonstrated that FAK-Src-Jun N-terminal kinase (JNK)-matrix metalloproteinase 2 (MMP2) axis was involved in PA-inhibited liver cell EMT. Together, these results contribute to our deeper understanding of the anti-cancer effects of pachymic acid on liver cancer cells. This study also provided compelling evidence that PA might be a potential therapeutic agent for liver cancer treatment.
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Affiliation(s)
- Feng Jiang
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Tieming Zhu
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Chunfeng Yang
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Yang Chen
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Zhidong Fu
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Lihui Jiang
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
| | - Yongzhi Liu
- Department of General Surgery, Affiliated Xiaoshan Hospital, Hangzhou Normal University
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Li F, Chen M, Ji J, Tang R, Huang J, Zhang X, Yu J. Pachymic acid alleviates experimental pancreatic fibrosis through repressing NLRP3 inflammasome activation. Biosci Biotechnol Biochem 2022; 86:1497-1505. [PMID: 36095138 DOI: 10.1093/bbb/zbac114] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/22/2022] [Indexed: 11/14/2022]
Abstract
Pachymic acid (PA), a natural triterpenoid, possesses the capacity to repress inflammatory and profibrotic response. However, the role of PA in pancreatic fibrosis remains unclear. Here the effect of PA on anti-fibrogenic response was investigated using in vivo and in vitro pancreatitis model. We demonstrated that PA treatment repressed TGF-β-induced pancreatic stellate cells (PSCs) activation in vitro, as evidenced by decreased expression of Collagen I, α-smooth muscle actin, and fibronectin. PA decreased Cerulein-induced acinar injury and pancreatic fibrosis in an experimental pancreatitis model. Mechanistically, PA repressed Cerulein or (TGF-β)-induced activation of nuclear factor (NF)-κB signaling and thus decreased NOD-like receptor family pyrin domain containing protein 3 (NLRP3) inflammasome activation in PSCs. Pharmacological inhibition of NLRP3 repressed TGF-β-induced activation of PSCs. More important, NLRP3 activator partially attenuated the effect of PA on inhibiting PSCs activation. Collectively, these data demonstrate that PA represses PSCs activation and pancreatic fibrosis through repressing NF-κB/NLRP3 signaling.
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Affiliation(s)
- Fu Li
- Department of Pancreaticobiliary Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Meng Chen
- Department of Nephrology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Jianmei Ji
- Department of Nephrology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Rui Tang
- Department of Pancreaticobiliary Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Jinxin Huang
- Department of Pancreaticobiliary Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Xiwen Zhang
- Department of Pancreaticobiliary Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
| | - Jinzhong Yu
- Department of Nephrology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R.China
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Yang T, Tian S, Wang Y, Ji J, Zhao J. Antitumor activity of pachymic acid in cervical cancer through inducing endoplasmic reticulum stress, mitochondrial dysfunction, and activating the AMPK pathway. Environ Toxicol 2022; 37:2121-2132. [PMID: 35524978 DOI: 10.1002/tox.23555] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 04/17/2022] [Accepted: 04/23/2022] [Indexed: 06/14/2023]
Abstract
Pachymic acid has various pharmacological effects, including anti-inflammatory, antioxidant, immunomodulatory, and antitumor. However, the role of pachymic acid in cervical cancer remains unclear. So, we investigated the effects of pachymic acid in cervical cancer and elucidated the underlying mechanisms. We treated HeLa cells and normal cervical epithelial cells (HUCECs) with pachymic acid (0, 10, 20, 40, 80, or 160 μM) for 72 h, and found the cell activity was decreased in cells treated with 160 μM pachymic acid for 48 h or 80 μM pachymic acid for 72 h, while HUCECs viability without effect. Next, we observed that endoplasmic reticulum (ER) related gene expression, mitochondrial membrane potential (MMP) changes, ATP depletion, reactive oxygen species (ROS) generation and apoptosis were increased. Moreover, we observed that cytochrome C (Cytc) expression was increased and apoptosis-inducing factor (AIF) was decreased in the cytoplasm of pachymic acid-treated HeLa cells. Tauroursodeoxycholic acid (TUDCA) of ER stress inhibitor reversed the effects of pachymic acid on HeLa cells. Phosphorylation of AMPK and acetyl-CoA carboxylase (ACC) of the AMPK pathway key protein was upregulated in pachymic acid-induced HeLa cells. Finally, we subcutaneously implanted HeLa cells into female nude mice and treated them with pachymic acid (50 mg/kg) for 3 weeks (5 days/week), and observed in pachymic acid induced xenograft mice, tumor growth was suppressed, cell apoptosis, ER-related gene expression, and ROS levels in tumor tissues were increased. Therefore, these findings demonstrated that pachymic acid plays an anti-tumor activity in cervical cancer through inducing ER stress, mitochondrial dysfunction, and activating the AMPK pathway.
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Affiliation(s)
- Ting Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Sijuan Tian
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Yaohui Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Jing Ji
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Juan Zhao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
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Zhu W, Liu Y, Tang J, Liu H, Jing N, Li F, Xu R, Shu S. Functional Analysis of Sterol O-Acyltransferase Involved in the Biosynthetic Pathway of Pachymic Acid in Wolfiporia cocos. Molecules 2021; 27:143. [PMID: 35011377 DOI: 10.3390/molecules27010143] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/18/2021] [Accepted: 12/24/2021] [Indexed: 11/19/2022]
Abstract
Pachymic acid from Wolfiporia cocos possesses important medicinal values including anti-bacterial, anti-inflammatory, anti-viral, invigorating, anti-rejection, anti-tumor, and antioxidant activities. However, little is known about the biosynthetic pathway from lanostane to pachymic acid. In particular, the associated genes in the biosynthetic pathway have not been characterized, which limits the high-efficiency obtaining and application of pachymic acid. To characterize the synthetic pathway and genes involved in pachymic acid synthesis, in this study, we identified 11 triterpenoids in W. cocos using liquid chromatography tandem mass spectrometry (LC-MS/MS), and inferred the putative biosynthetic pathway from lanostane to pachymic acid based on analyzing the chemical structure of triterpenoids and the transcriptome data. In addition, we identified a key gene in the biosynthetic pathway encoding W. cocos sterol O-acyltransferase (WcSOAT), which catalyzes tumolusic acid to pachymic acid. The results show that silence of WcSOAT gene in W. cocos strain led to reduction of pachymic acid production, whereas overexpression of this gene increased pachymic acid production, indicating that WcSOAT is involved in pachymic acid synthesis in W. cocos and the biosynthesis of W. cocos pachymic acid is closely dependent on the expression of WcSOAT gene. In summary, the biosynthetic pathway of pachymic acid and the associated genes complement our knowledge on the biosynthesis of W. cocos pachymic acid and other triterpenoids, and also provides a reference for target genes modification for exploring high-efficiency obtaining of active components.
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11
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He Y, Zhong JH, Wei XD, Huang CY, Peng PL, Yao J, Song XS, Fan WL, Li GC. Pachymic Acid Ameliorates Pulmonary Hypertension by Regulating Nrf2-Keap1-ARE Pathway. Curr Med Sci 2021; 42:56-67. [PMID: 34881424 DOI: 10.1007/s11596-021-2414-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/13/2021] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Pulmonary hypertension (PH) is a severe pulmonary vascular disease that eventually leads to right ventricular failure and death. The purpose of this study was to investigate the mechanism by which pachymic acid (PA) pretreatment affects PH and pulmonary vascular remodeling in rats. METHODS PH was induced via hypoxia exposure and administration of PA (5 mg/kg per day) in male Sprague-Dawley rats. Hemodynamic parameters were measured using a right ventricular floating catheter and pulmonary vascular morphometry was measured by hematoxylin-eosin (HE), α-SMA and Masson staining. MTT assays and EdU staining were used to detect cell proliferation, and apoptosis was analyzed by TUNEL staining. Western blotting and immunohistochemistry were used to detect the expression of proteins related to the Nrf2-Keap1-ARE pathway. RESULTS PA significantly alleviated hypoxic PH and reversed right ventricular hypertrophy and pulmonary vascular remodeling. In addition, PA effectively inhibited proliferation and promoted apoptosis in hypoxia-induced pulmonary artery smooth muscle cells (PASMCs). Moreover, PA pretreatment inhibited the expression of peroxy-related factor (MDA) and promoted the expression of antioxidant-related factors (GSH-PX and SOD). Furthermore, hypoxia inhibited the Nrf2-Keap1-ARE signaling pathway, while PA effectively activated this pathway. Most importantly, addition of the Nrf2 inhibitor ML385 reversed the inhibitory effects of PA on ROS generation, proliferation, and apoptosis tolerance in hypoxia-induced PASMCs. CONCLUSION Our study suggests that PA may reverse PH by regulating the Nrf2-Keap1-ARE signaling pathway.
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Affiliation(s)
- Yuan He
- Department of Ultrasound, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Jian-Hua Zhong
- Department of Neurology, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Xiao-Dong Wei
- Department of Thoracic and Cardiovascular Surgery, Minda Hospital of Hubei Minzu University, Enshi, 445000, China
| | - Chu-Ying Huang
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Pai-Lan Peng
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Jun Yao
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Xiu-Sheng Song
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Wan-Li Fan
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Guang-Cai Li
- Department of Pulmonary and Critical Care Medicine, the Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China.
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Younis NN, Salama A, Shaheen MA, Eissa RG. Pachymic Acid Attenuated Doxorubicin-Induced Heart Failure by Suppressing miR-24 and Preserving Cardiac Junctophilin-2 in Rats. Int J Mol Sci 2021; 22:ijms221910710. [PMID: 34639051 PMCID: PMC8509247 DOI: 10.3390/ijms221910710] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 09/23/2021] [Accepted: 09/30/2021] [Indexed: 12/28/2022] Open
Abstract
Defects in cardiac contractility and heart failure (HF) are common following doxorubicin (DOX) administration. Different miRs play a role in HF, and their targeting was suggested as a promising therapy. We aimed to target miR-24, a suppressor upstream of junctophilin-2 (JP-2), which is required to affix the sarcoplasmic reticulum to T-tubules, and hence the release of Ca2+ in excitation–contraction coupling using pachymic acid (PA) and/or losartan (LN). HF was induced with DOX (3.5 mg/kg, i.p., six doses, twice weekly) in 24 rats. PA and LN (10 mg/kg, daily) were administered orally for four weeks starting the next day of the last DOX dose. Echocardiography, left ventricle (LV) biochemical and histological assessment and electron microscopy were conducted. DOX increased serum BNP, HW/TL, HW/BW, mitochondrial number/size and LV expression of miR-24 but decreased EF, cardiomyocyte fiber diameter, LV content of JP-2 and ryanodine receptors-2 (RyR2). Treatment with either PA or LN reversed these changes. Combined PA + LN attained better results than monotherapies. In conclusion, HF progression following DOX administration can be prevented or even delayed by targeting miR-24 and its downstream JP-2. Our results, therefore, suggest the possibility of using PA alone or as an adjuvant therapy with LN to attain better management of HF patients, especially those who developed tolerance toward LN.
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Affiliation(s)
- Nahla N. Younis
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt;
- Correspondence: ; Tel.: +20-109-6635-165
| | - Alaa Salama
- Cardiology Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Mohamed A. Shaheen
- Histology and Cell Biology Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Rana G. Eissa
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt;
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Feng Z, Shi H, Liang B, Ge T, Cai M, Liu F, Huang K, Wen J, Chen Q, Ge B. Bioinformatics and experimental findings reveal the therapeutic actions and targets of pachymic acid against cystitis glandularis. Biofactors 2021; 47:665-673. [PMID: 33893687 DOI: 10.1002/biof.1734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/09/2021] [Indexed: 12/27/2022]
Abstract
Pachymic acid (PA), a bioactive ingredient isolated from Poria cocos Wolf, is reported with potential benefits of anti-inflammatory, anti-oxidative actions. It is reasoned that PA may play the potential benefits against cystitis glandularis (CG), an inflammation of the bladder tissue. In this study, we aimed to apply the network pharmacology and molecular docking analyses to reveal concrete anti-CG targets and mechanisms of PA, and then the bioinformatic findings were verified by using clinical and animal samples. The methodological data from network pharmacology approach showed that 303 and 243 reporting targets of CG and PA, and other 31 shared targets of CG and PA were identified. Subsequently, all top targets of PA against CG were screened out, including cyclooxygenase-2, epidermal growth factor receptor, tumor antigen p53 (TP53), tumor necrosis factor-alpha (TNF), interleukin-1 (IL-1) beta, proto-oncogene c-jun. Molecular docking data demonstrated that PA exerted potent bonding capacities with TNF, TP53 proteins in CG. In human study, the findings suggested that overactivated TNF-α expression and suppressed TP53 activation were detected in CG samples. In animal study, PA-treated mice showed reduced intravesical IL-1, IL-6 levels, and lactate dehydrogenase content, downregulated TNF-α and upregulated TP53 proteins in bladder samples. Taken together, our bioinformatics and experimental findings identify the key anti-CG biotargets and mechanisms of PA. More markedly, these pivotal pharmacological targets of PA against CG have been screened out and verified by using computational and experimental analyses.
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Affiliation(s)
- Zihao Feng
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Hailin Shi
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Bojian Liang
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Tianyu Ge
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Menghui Cai
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Feng Liu
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Kunping Huang
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Jintao Wen
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Qiuhong Chen
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Bo Ge
- The Second Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, Guangxi, People's Republic of China
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14
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Fu XP, Xu L, Fu BB, Wei KN, Liu Y, Liao BQ, He SW, Wang YL, Chen MH, Lin YH, Li FP, Hong ZW, Huang XH, Xu CL, Wang HL. Pachymic acid protects oocyte by improving the ovarian microenvironment in polycystic ovary syndrome mice†. Biol Reprod 2020; 103:1085-1098. [PMID: 32776126 DOI: 10.1093/biolre/ioaa141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/18/2020] [Accepted: 08/07/2020] [Indexed: 11/13/2022] Open
Abstract
Women with polycystic ovary syndrome (PCOS) are characterized by endocrine disorders accompanied by a decline in oocyte quality. In this study, we generated a PCOS mice model by hypodermic injection of dehydroepiandrosterone, and metformin was used as a positive control drug to study the effect of pachymic acid (PA) on endocrine and oocyte quality in PCOS mice. Compared with the model group, the mice treated with PA showed the following changes (slower weight gain, improved abnormal metabolism; increased development potential of GV oocytes, reduced number of abnormal MII oocytes, and damaged embryos; lower expression of ovarian-related genes in ovarian tissue and pro-inflammatory cytokines in adipose tissue). All these aspects show similar effects on metformin. Most notably, PA is superior to metformin in improving inflammation of adipose tissue and mitochondrial abnormalities. It is suggested that PA has the similar effect with metformin, which can improve the endocrine environment and oocyte quality of PCOS mice. These findings suggest that PA has the similar effect with metformin, which can improve the endocrine environment and oocyte quality of PCOS mice.
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Affiliation(s)
- Xian-Pei Fu
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Clinical Pharmacy Office, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Lin Xu
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Bin-Bin Fu
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Kang-Na Wei
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Department of Gynaecology and Obstetrics, Affiliated Xiang'an Hospital of Xiamen University, Xiamen, China
| | - Yu Liu
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Medical College, Guangxi University, Nanning, China
| | - Bao-Qiong Liao
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Shu-Wen He
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Ya-Long Wang
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Reproductive Medicine Center, The Maternal and Child Health Care Hospital, Xiangtan, China
| | - Ming-Huang Chen
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Yan-Hong Lin
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Department of Gynaecology, Affiliated Hospital of Putian University, Putian University, Putian, China
| | - Fei-Ping Li
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Chengdu Research Base of Giant Panda Breeding, Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu, China
| | - Zi-Wei Hong
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China
| | - Xiao-Hua Huang
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, China
| | - Chang-Long Xu
- The Reproductive Medical Center Nanning Second People's Hospital, Nanning, China
| | - Hai-Long Wang
- Organ Transplantation Institute, School of Medicine, Xiamen University, Xiamen, China.,Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, China
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15
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Tian SS, Zhao XM, Liu Y, Ge XH, Feng WH, Chen LM, Yan LH, Wang ZM. [Studies on quality standards of Poria]. Zhongguo Zhong Yao Za Zhi 2020; 45:1734-1744. [PMID: 32489056 DOI: 10.19540/j.cnki.cjcmm.20200202.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In order to provide scientific recommendations for the revision of the quality standards of Poria in Chinese Pharmacopoeia(Ch. P) 2020 edition, a series of experiments were carried out to improve the quality standards of Poria. TLC methods were established to identify Poria by using pachymic acid, dehydrotumulosic acid and reference herbs as reference substances. The contents of water, total ash, pesticide residues, heavy metals and deleterious element, mycotoxins, sulfur dioxide residues and ethanol-soluble extract of herbal materials and decoction pieces of Poria were determined according to the methods recorded in the volume Ⅳ of Ch. P 2015 edition. An HPLC method was developed for the determination of pachymic acid and dehydropachymic acid. The contents of polysaccharide were determined by spectrophotometry using D-glucose as reference substance. The quality standards were established on the basis of the research results, in which the [assay] were added, and the [identification] and [tests] were revised when compared with Ch. P 2015 edition. The established methods are simple, specific, repeatable, and suitable for the quality evaluation of Poria.
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Affiliation(s)
- Shuang-Shuang Tian
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China Henan University of Chinese Medicine Zhengzhou 450000, China
| | - Xiao-Mei Zhao
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
| | - Yong Liu
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China Henan University of Chinese Medicine Zhengzhou 450000, China
| | - Xiao-Hong Ge
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
| | - Wei-Hong Feng
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
| | - Liang-Mian Chen
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
| | - Li-Hua Yan
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
| | - Zhi-Min Wang
- National Engineering Laboratory for Quality Control Technology of Chinese Herbal Medicines, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China
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Kamalakannan Preethi O, Sampath V, Ravikumar N, Mahalaxmi S. Comparative Evaluation of Physicochemical Properties and Apical Sealing Ability of a Resin Sealer Modified with Pachymic Acid. Eur Endod J 2020; 5:23-7. [PMID: 32342034 DOI: 10.14744/eej.2019.68442] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 09/04/2019] [Indexed: 02/05/2023] Open
Abstract
Objective: The addition of pachymic acid (PA) to AH Plus (an epoxy resin sealer) offsets the cytotoxicity of the latter. Prior to the clinical implementation of this formulation, a thorough knowledge of its physicochemical properties and sealing ability becomes mandatory. Hence, this in vitro study aimed to characterize and evaluate the physicochemical properties and apical sealing ability of AH Plus (AHP) with and without the addition of PA. Methods: Flow, setting time, film thickness, solubility and radiopacity of AHP (group 1) and AHP modified with PA (AHP/PA, group 2) were evaluated in accordance with the guidelines put forth by ISO 6876:2012. The percentage was determined under each parameter. Apical sealing ability was assessed using fluid filtration device. An independent samples t-test was used for inter- and intra-group comparisons of mean fluid flow (MFF). Results: Incorporating PA to AHP decreased its flow, setting time and film thickness by 24.34%, 2.14% and 31.71% respectively. The solubility of group 2 increased on day 1 by 85.71% and decreased on days 3, 7 and 14 by 46.67%, 34.79% and 13.8% respectively. The radiopacity of AHP was not altered by the addition of PA. MFF rates of group 2 was significantly higher than group 1 on day 1, but not significantly different on day 7. Conclusion: AHP/PA exhibited physicochemical properties that were within the requirements of ISO and with time, and showed fluid flow similar to AHP.
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17
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Sun KX, Xia HW. Pachymic acid inhibits growth and induces cell cycle arrest and apoptosis in gastric cancer SGC-7901 cells. Oncol Lett 2018; 16:2517-2524. [PMID: 30013646 DOI: 10.3892/ol.2018.8899] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 12/19/2017] [Indexed: 12/28/2022] Open
Abstract
The aim of the present study was to elucidate the anticancer effect of pachymic acid (PA) in gastric cancer SGC-7901 cells and the potential molecular mechanisms involved. Cell Count kit-8 assay was performed to examine the effect of PA on the cell proliferation of SGC-7901 cells. Cell cycle, cell apoptosis, mitochondria membrane potential (Dψm) and reactive oxygen species (ROS) analysis were assessed by flow cytometry, respectively. DNA fragmentation assay was performed by Hoechst 33258 staining. Western blotting was performed to detect the effect of various concentrations of PA on the levels of BCL2 associated X protein (Bax) expression as well as B-cell lymphoma 2 (Bcl-2), cytochrome C (cyt-c) and caspase-3 in SGC-7901 cells. It was demonstrated that PA was able to significantly inhibit the viability and induce G0/G1 cell cycle arrest of SGC-7901 cells in a concentration-dependent manner. The apoptotic rate and ROS generation were markedly increased, while Dψm was decreased following the treatment of SGC-7901 cells with various concentrations of PA. Moreover, the expression of Bax, cytochrome c and caspase-3 were markedly increased and Janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3) was significantly inactivated and BCL-2 expression was decreased following PA treatment in SGC-7901 cells. Notably, JAK2 inhibitor (AG490) mimics the effects of PA on the viability and apoptosis of SGC-7901 cells. Further in vivo study indicated that treatment with PA significantly inhibited the growth of tumor in nude mice that were transplanted with SGC-7901 cells in a concentration-dependent manner. These results may advance the current understanding of the anticancer mechanisms of PA in gastric cancer.
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Affiliation(s)
- Kuan-Xue Sun
- Department of General Surgery, Gong Li Hospital of Shanghai Pu Dong New District, Shanghai 200135, P.R. China.,Department of Ultrasound, Gong Li Hospital of Shanghai Pu Dong New District, Shanghai 200135, P.R. China
| | - Hong-Wei Xia
- Department of Ultrasound, Gong Li Hospital of Shanghai Pu Dong New District, Shanghai 200135, P.R. China
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18
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Arun S, Sampath V, Mahalaxmi S, Rajkumar K. A Comparative Evaluation of the Effect of the Addition of Pachymic Acid on the Cytotoxicity of 4 Different Root Canal Sealers-An In Vitro Study. J Endod 2016; 43:96-99. [PMID: 27847138 DOI: 10.1016/j.joen.2016.09.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/31/2016] [Accepted: 09/04/2016] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Root canal sealers exhibit varying degrees of cytotoxicity to periapical tissues. This in turn results in inflammation, delayed wound healing, and even bone resorption. This study aimed to explore the effect of the addition of an antioxidant like pachymic acid on the cytotoxicity of 4 root canal sealers, namely, Tubliseal (Kerr, Romulus, MI), a zinc oxide eugenol-based sealer; AH Plus (Dentsply De Trey GmbH, Konstanz, Germany), an epoxy resin-based sealer; Sealapex (Kerr), a calcium hydroxide-based sealer; and EndoREZ (Ultradent Products, South Jordan, UT), a methacrylate resin-based sealer. METHODS Sealers mixed according to the manufacturers' instructions formed the experimental groups. Subgroups were determined based on the absence (subgroup A) or addition (subgroup B) of pachymic acid. The experimental sealers were added to L929 mouse fibroblast cells immediately after mixing. Cell viability was evaluated by methylthiazoletetrazolium assay after 24 hours. Data were analyzed using 1-way analysis of variance. Intergroup comparisons were performed using the Kruskal-Wallis test, and intragroup comparisons were done using independent t and post hoc tests. RESULTS All 4 sealers were cytotoxic but to varying degrees. In both the subgroups, Sealapex exhibited the lowest cytotoxicity followed by AH Plus, Tubliseal, and EndoREZ (P < .05). The addition of pachymic acid reduced the cytotoxicity of all the sealers except that of EndoREZ (P > .05). CONCLUSIONS Calcium hydroxide-based Sealapex showed the least cytotoxicity compared with the other sealers. Pachymic acid could be a viable therapeutic agent to overcome the potential adverse effects associated with root canal sealers.
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Affiliation(s)
- Senthamilselvan Arun
- Department of Conservative Dentistry and Endodontics, Vinayaka Missions Dental College, Salem, India
| | - Vidhya Sampath
- Department of Conservative Dentistry and Endodontics, SRM Dental College, Bharathi Salai, Ramapuram, Chennai, India.
| | - Sekar Mahalaxmi
- Department of Conservative Dentistry and Endodontics, SRM Dental College, Bharathi Salai, Ramapuram, Chennai, India
| | - Kothandaraman Rajkumar
- Department of Conservative Dentistry and Endodontics, SRM Dental College, Bharathi Salai, Ramapuram, Chennai, India
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Gao AH, Zhang L, Chen X, Chen Y, Xu ZZ, Liu YN, Zhang H. Inhibition of ovarian cancer proliferation and invasion by pachymic acid. Int J Clin Exp Pathol 2015; 8:2235-2241. [PMID: 25973134 PMCID: PMC4396302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 01/23/2015] [Indexed: 06/04/2023]
Abstract
To determine the effect of pachymic acid (PA) on proliferation, cell cycle, and invasion in human ovarian carcinoma cell lines HO-8910 and explore some possible mechanisms, HO-8910 cells was treated with different concentrations of PA (0.5, 1, 2 μM). CCK-8 assay, propidium iodide staining, was applied to measuring the growth inhibiting rates of HO-8910 cells. Cell cycle was measured by flow cytometry. In addition, the activity of PA against HO-8910 cells invasion was evaluated in transwell assay. Western blot detected the proteins expression of E-cadherin, β-catenin and COX-2 of different groups treated with PA in different concentrations (0.5, 1, 2 μM) for 48 h. Our results showed that PA could effectively inhibit the in vitro growth of HO-8910 cells in dose-dependent manners in 72 h, suppressed migration and invasion of HO-8910 cells in concentration-dependent manners at 24 h, caused the increased accumulation of G1 phase cells, and caused down-regulation of β-catenin and COX-2 and up-regulation of E-cadherin expression level. Taken together, it could conclude that PA might inhibit proliferation and invasion of ovarian carcinoma cell through decreasing β-catenin and COX-2 expression and increasing E-cadherin expression.
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Affiliation(s)
- Ai-Hua Gao
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
| | - Liang Zhang
- College of Pharmacy, Suzhou University199 Renai Road, Industrial Park, Suzhou 215021, Jiangsu Province, China
| | - Xin Chen
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
| | - Ying Chen
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
| | - Zhen-Zhen Xu
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
| | - Ya-Nan Liu
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
| | - Hong Zhang
- Department of Obstetrics and Gynecology, The 2nd Affiliated Hospital of Soochow University1055 Sanxiang Road, Gusu District, Suzhou 215004, Jiangsu Province, China
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