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Wang L, Zhu T, Feng D, Li R, Zhang C. Polyphenols from Chinese Herbal Medicine: Molecular Mechanisms and Therapeutic Targets in Pulmonary Fibrosis. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 50:1063-1094. [PMID: 35475972 DOI: 10.1142/s0192415x22500434] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pulmonary fibrosis (PF) is a highly confounding and fatal pathological process with finite treatment options. Multiple factors such as oxidative and immune/inflammation involve key pathological processes in chronic lung disease, and their intimate interactions mediate chronic lung damage, denudation of the alveolar epithelium, hyperproliferation of type II alveolar epithelial cells (AECIIs), proliferation and differentiation of fibroblasts, and the permeability of microvessels. We reviewed the classic mechanism of PF and highlighted a few emerging mechanisms for studying complex networks in lung disease pathology. Polyphenols, as a multi-target drug, has excellent potential in the treatment of pulmonary fibrosis. We then reviewed recent advances in discovering phenolic compounds from fruits, tea, and medical herbs with the bioactivities of simultaneously regulating multiple factors (e.g., oxidative stress, inflammation, autophagy, apoptosis, pyroptosis) for minimizing pulmonary fibrosis injury. These compounds include resveratrol, curcumin, salvianolic acid B, epigallocatechin-3-gallate, gallic acid, corilagin. Each phenolic compound can exert its anti-PF effect through various mechanisms, and the signaling pathways involved in different phenolic compounds are not the same. This review summarized the available evidence on phenolic compounds' effectiveness in pulmonary diseases and explored the molecular mechanisms and therapeutic targets of phenolic compounds from Chinese herbal medicine with the properties of inhibition of ongoing fibrogenesis and resolution of existing fibrosis.
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Affiliation(s)
- Lei Wang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China.,Sino-Jan Joint Lab of Natural Health Products Research, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Ting Zhu
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao 266071, P. R. China
| | - Deqin Feng
- State Key Laboratory of Microbial Resources, Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Renshi Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China.,Sino-Jan Joint Lab of Natural Health Products Research, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Chaofeng Zhang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China.,Sino-Jan Joint Lab of Natural Health Products Research, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China
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2
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ZHAO YD, ZHANG X, YANG WY, ZHANG RQ, MU LT, HAN L, LV CN, LU JC. New anti-pulmonary fibrosis prenylflavonoid glycosides from Epimedium koreanum. Chin J Nat Med 2022; 20:221-228. [DOI: 10.1016/s1875-5364(21)60116-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Indexed: 11/29/2022]
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Estornut C, Milara J, Bayarri MA, Belhadj N, Cortijo J. Targeting Oxidative Stress as a Therapeutic Approach for Idiopathic Pulmonary Fibrosis. Front Pharmacol 2022; 12:794997. [PMID: 35126133 PMCID: PMC8815729 DOI: 10.3389/fphar.2021.794997] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/10/2021] [Indexed: 01/19/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial lung disease characterized by an abnormal reepithelialisation, an excessive tissue remodelling and a progressive fibrosis within the alveolar wall that are not due to infection or cancer. Oxidative stress has been proposed as a key molecular process in pulmonary fibrosis development and different components of the redox system are altered in the cellular actors participating in lung fibrosis. To this respect, several activators of the antioxidant machinery and inhibitors of the oxidant species and pathways have been assayed in preclinical in vitro and in vivo models and in different clinical trials. This review discusses the role of oxidative stress in the development and progression of IPF and its underlying mechanisms as well as the evidence of oxidative stress in human IPF. Finally, we analyze the mechanism of action, the efficacy and the current status of different drugs developed to inhibit the oxidative stress as anti-fibrotic therapy in IPF.
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Affiliation(s)
- Cristina Estornut
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- *Correspondence: Cristina Estornut, ; Javier Milara,
| | - Javier Milara
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- Pharmacy Unit, University General Hospital Consortium, Valencia, Spain
- CIBERES, Health Institute Carlos III, Valencia, Spain
- *Correspondence: Cristina Estornut, ; Javier Milara,
| | - María Amparo Bayarri
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - Nada Belhadj
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - Julio Cortijo
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- Pharmacy Unit, University General Hospital Consortium, Valencia, Spain
- CIBERES, Health Institute Carlos III, Valencia, Spain
- Research and Teaching Unit, University General Hospital Consortium, Valencia, Spain
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Fu Y, Wan P, Zhang J, Li X, Xing J, Zou Y, Wang K, Peng H, Zhu Q, Cao L, Zhai X. Targeting Mechanosensitive Piezo1 Alleviated Renal Fibrosis Through p38MAPK-YAP Pathway. Front Cell Dev Biol 2021; 9:741060. [PMID: 34805150 PMCID: PMC8602364 DOI: 10.3389/fcell.2021.741060] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
Renal fibrosis is the most common pathological manifestation of a wide variety of chronic kidney disease. Increased extracellular matrix (ECM) secretion and enhanced microenvironment stiffening aggravate the progression of renal fibrosis. However, the related mechanisms remain unclear. Here, we evaluated the mechanism by which ECM stiffness aggravates renal fibrosis. In the present study, renal mesangial cells (MCs) were cultured on polyacrylamide hydrogels with different stiffness accurately detected by atomic force microscope (AFM), simulating the in vivo growth microenvironment of MCs in normal kidney and renal fibrosis. A series of in vitro knockdown and activation experiments were performed to establish the signaling pathway responsible for mechanics-induced MCs activation. In addition, an animal model of renal fibrosis was established in mice induced by unilateral ureteral obstruction (UUO). Lentiviral particles containing short hairpin RNA (sh RNA) targeting Piezo1 were used to explore the effect of Piezo1 knockdown on matrix stiffness-induced MCs activation and UUO-induced renal fibrosis. An in vitro experiment demonstrated that elevated ECM stiffness triggered the activation of Piezo1, which increased YAP nuclear translocation through the p38MAPK, and consequently led to increased ECM secretion. Furthermore, these consequences have been verified in the animal model of renal fibrosis induced by UUO and Piezo1 knockdown could alleviate UUO-induced fibrosis and improve renal function in vivo. Collectively, our results for the first time demonstrate enhanced matrix stiffness aggravates the progression of renal fibrosis through the Piezo1-p38MAPK-YAP pathway. Targeting mechanosensitive Piezo1 might be a potential therapeutic strategy for delaying the progression of renal fibrosis.
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Affiliation(s)
- Yuanyuan Fu
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Pengzhi Wan
- Department of Nephrology, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Jie Zhang
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Xue Li
- Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jia Xing
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Yu Zou
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Kaiyue Wang
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Hui Peng
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China.,Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qizhuo Zhu
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Liu Cao
- Department of Basic Medical College, China Medical University, Shenyang, China
| | - Xiaoyue Zhai
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China.,Institute of Nephropathology, China Medical University, Shenyang, China
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Daphnetin induces apoptosis in fibroblast-like synoviocytes from collagen-induced arthritic rats mainly via the mitochondrial pathway. Cytokine 2020; 133:155146. [PMID: 32505094 DOI: 10.1016/j.cyto.2020.155146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 05/22/2020] [Accepted: 05/23/2020] [Indexed: 01/27/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic, symmetric, systemic autoimmune disease. Because insufficient apoptosis of fibroblast-like synoviocytes (FLS) is an important characteristic of RA, promoting apoptosis is considered a potential therapeutic tool for treating RA. We have previously found that daphnetin (7,8-dihydroxycoumarin, DAP) has a pro-apoptotic effect on fibroblast-like synoviocytes from collagen-induced arthritis (CIA) rats. In the present study, we further investigated the mechanisms of DAP-induced apoptosis in CIA-FLS. CIA-FLS were incubated with DAP for 48 h in the presence or absence of caspase inhibitors, including inhibitors of caspase-3, caspase-8, or caspase-9 or a pan-caspase inhibitor; then, a series of experiments were performed to evaluate the mechanisms of DAP-induced apoptosis. Our results showed that DAP markedly decreased cell viability and induced the apoptosis of CIA-FLS along with typical morphological and ultrastructural changes; moreover, DAP increased FasL, cytochrome c (Cyt-c), Bax, caspase-3, caspase-8, and caspase-9 mRNA expression and Bax, caspase-3, caspase-8, and caspase-9 protein expression. In contrast, DAP decreased Bcl-2 mRNA and protein expression and promoted the release of Cyt-c from the mitochondria into the cytosol; these effects were attenuated to varying degrees by pre-treatment with caspase inhibitors, especially with caspase-3 or caspase-9 inhibitors or a pan-caspase inhibitor. In conclusion, the current findings demonstrate that the DAP-induced apoptosis of CIA-FLS occurred mainly via a caspase-dependent pathway, in particular the mitochondrial pathway, and that the Bax/Bcl-2 ratio was involved in this process. Thus, DAP may be a potential therapeutic agent for RA.
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Liu Y, Zhang L, Ma Z, Tian L, Liu Y, Liu Y, Chen Q, Li Y, Ma E. Ascorbate promotes the cellular accumulation of doxorubicin and reverses the multidrug resistance in breast cancer cells by inducing ROS-dependent ATP depletion. Free Radic Res 2019; 53:758-767. [DOI: 10.1080/10715762.2019.1628957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yutong Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Ling Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Zitai Ma
- Shenyang No. 2 Middle School, Shenyang, China
| | - Li Tian
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Yingchi Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Yuqing Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Qi Chen
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, MO, USA
| | - Yanchun Li
- GLP Center, Shenyang Pharmaceutical University, Shenyang, China
| | - Enlong Ma
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
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Ma L, Tang L, Yi Q. Salvianolic Acids: Potential Source of Natural Drugs for the Treatment of Fibrosis Disease and Cancer. Front Pharmacol 2019; 10:97. [PMID: 30842735 PMCID: PMC6391314 DOI: 10.3389/fphar.2019.00097] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/24/2019] [Indexed: 12/16/2022] Open
Abstract
Salvianolic acids, the most effective and abundant compounds extracted from Salvia miltiorrhiza (Danshen), are well known for its good anti-oxidative activity. Danshen has been extensively used as a traditional medicine to treat cardiovascular-related diseases in China and other Asian countries for hundreds of years. Recently, more and more studies have demonstrated that salvianolic acids also have a good effect on the alleviation of fibrosis disease and the treatment of cancer. In vivo and in vitro experiments have demonstrated that salvianolic acids can modulate signal transduction within fibroblasts and cancer cells. It is discovered that the cancer treatment of salvianolic acids is not only because salvianolic acids promote the apoptosis of cancer cells, but also due to the inhibition of cancer-associated epithelial-mesenchymal transition processes. In this article, we review a variety of studies focusing on the comprehensive roles of salvianolic acids in the treatment of fibrosis disease and cancer. These perspectives on the therapeutic potential of salvianolic acids highlight the importance of these compounds, which could be the novel and attractive drugs for fibrosis disease and cancer.
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Affiliation(s)
- Lunkun Ma
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Liling Tang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Qian Yi
- Department of Physiology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
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Discovery of a novel series of hDHODH inhibitors with anti-pulmonary fibrotic activities. Bioorg Chem 2019; 86:44-51. [PMID: 30685643 DOI: 10.1016/j.bioorg.2019.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/04/2019] [Accepted: 01/06/2019] [Indexed: 11/22/2022]
Abstract
Human dihydroorotate dehydrogenase (hDHODH) is a flavin-dependent enzyme essential to pyrimidine de novo biosynthesis, which serves as an attractive therapeutic target for the treatment of autoimmune disorders. A novel series of hDHODH inhibitors was developed based on a lead which was obtained by a medicinal chemistry exploration. Most compounds showed moderate to significant potency against hDHODH, compounds 5d, 5e, and 6a effectively inhibited the activities of hDHODH with IC50 values from 0.9 to 2.8 μM. Further studies showed that compound 5e also effectively suppressed proliferation of the activated PBMCs (IC50 = 20.35 μM). Surprisingly, compound 5e also showed anti-pulmonary fibrotic activity similar to that of pirfenidone in vitro assay. Therefore, compound 5e might have potential to be developed as a novel hDHODH inhibitors for autoimmune diseases therapy.
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Shi M, Huang F, Deng C, Wang Y, Kai G. Bioactivities, biosynthesis and biotechnological production of phenolic acids in Salvia miltiorrhiza. Crit Rev Food Sci Nutr 2018; 59:953-964. [PMID: 29746788 DOI: 10.1080/10408398.2018.1474170] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Salvia miltiorrhiza (Danshen in Chinese), is a well-known traditional Chinese medicinal plant, which is used as not only human medicine but also health-promotion food. Danshen has been extensively used for the treatment of various cardiovascular and cerebrovascular diseases. As a major group of bioactive constituents from S. miltiorrhiza, water-soluble phenolic acids such as salvianolic acid B possessed good bioactivities including antioxidant, anti-inflammatory, anti-cancer and other health-promoting activities. It is of significance to improve the production of phenolic acids by modern biotechnology approaches to meet the increasing market demand. Significant progresses have been made in understanding the biosynthetic pathway and regulation mechanism of phenolic acids in S.miltiorrhiza, which will facilitate the process of targeted metabolic engineering or synthetic biology. Furthermore, multiple biotechnology methods such as in vitro culture, elicitation, hairy roots, endophytic fungi and bioreactors have been also used to obtain pharmaceutically active phenolic acids from S. miltiorrhiza. In this review, recent advances in bioactivities, biosynthetic pathway and biotechnological production of phenolic acid ingredients were summarized and future prospective was also discussed.
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Affiliation(s)
- Min Shi
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China
| | - Fenfen Huang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Changping Deng
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Yao Wang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Guoyin Kai
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China.,b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
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Liu M, Xu H, Zhang L, Zhang C, Yang L, Ma E, Liu L, Li Y. Salvianolic acid B inhibits myofibroblast transdifferentiation in experimental pulmonary fibrosis via the up-regulation of Nrf2. Biochem Biophys Res Commun 2018; 495:325-331. [DOI: 10.1016/j.bbrc.2017.11.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 11/02/2017] [Indexed: 12/26/2022]
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Li Y, Chen J, Liu Y, Zhang W, He W, Xu H, Liu L, Ma E. Nanoscale quantification of the biophysical characterization of combretastatin A-4-treated tumor cells using atomic force microscopy. PLoS One 2017. [PMID: 28628642 PMCID: PMC5476243 DOI: 10.1371/journal.pone.0179115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
As an inhibitor of microtubule assembly, combretastatin A-4 (CA-4)-induced biological responses in tumor cells have been well known, but the corresponding changes in nano-biophysical properties were not investigated given the lack of an ideal tool. Using AFM technique, we investigated the alteration of nano-biophysical properties when CA-4-treated tumor cells underwent the different biological processes, including cell cycle arrest, apoptosis and autophagy. We found that CA-4-resistant cells were rougher with the presence of characteristic “ridges”, indicating that the development of “ridge” structure may be a determinant of the sensitivity of cells to CA-4 compounds. CA-4 induced G2/M arrest and apoptosis in sensitive cells but triggered anti-apoptotic autophagy in resistant cells. CA-4 treatment caused an increase in stiffness in both sensitive and resistant cells. However, these cells exhibited different changes in cell surface roughness. CA-4 decreased Ra and Rq values in sensitive cells but increased these values in resistant cells. The reorganization of F-actin might contribute to the different changes of nano-biophysical properties in CA-4-sensitive and–resistant cells. Our results suggest that cellular nano-biophysical properties, such as “ridges”, roughness and stiffness, could be applied as potential biomarkers for evaluating CA-4 compounds, and knowledge regarding how biological alterations cause changes in cellular nano-biophysical properties is helpful to develop a new high-resolution screening tool for anti-tumor agents.
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Affiliation(s)
- Yanchun Li
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
- State Key Laboratory of Robotics, Shenyang Institute of Automation, China Academy of Sciences, Shenyang, China
| | - Jv Chen
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Yutong Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Weige Zhang
- Department of Medicinal Chemistry, Shenyang Pharmaceutical University, Shenyang, China
| | - Wenhui He
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Hanying Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
| | - Lianqing Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, China Academy of Sciences, Shenyang, China
| | - Enlong Ma
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, China
- * E-mail:
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Yu J, Chen R, Tan Y, Wu J, Qi J, Zhang M, Gu W. Salvianolic Acid B Alleviates Heart Failure by Inactivating ERK1/2/GATA4 Signaling Pathway after Pressure Overload in Mice. PLoS One 2016; 11:e0166560. [PMID: 27893819 PMCID: PMC5125602 DOI: 10.1371/journal.pone.0166560] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 10/31/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Heart failure(HF) is a dangerous disease that affects millions of patients. Radix Salvia is widely used in Chinese clinics to treat heart diseases. Salvianolic acid B(SalB) is the major active component of Radix Salvia. This study investigated the mechanisms of action and effects of SalB on HF in an experimental mouse model of HF. METHODS We created a mouse model of HF by inducing pressure overload with transverse aortic constriction(TAC) surgery for 2 weeks and compared among 4 study groups: SHAM group (n = 10), TAC group (n = 9), TAC+MET group (metprolol, positive drug treatment, n = 9) and TAC+SalB group (SalB, 240 mg•kg-1•day-1, n = 9). Echocardiography was used to evaluate the dynamic changes in cardiac structure and function in vivo. Plasma brain natriuretic peptide (BNP) concentration was detected by Elisa method. In addition, H9C2 rat cardiomyocytes were cultured and Western blot were implemented to evaluate the phosphorylation of ERK1/2, AKT, and protein expression of GATA4. RESULTS SalB significantly inhibited the phosphorylation of Thr202/Tyr204 sites of ERK1/2, but not Ser473 site of AKT, subsequently inhibited protein expression of GATA4 and plasma BNP(P < 0.001), and then inhibited HF at 2 weeks after TAC surgery. CONCLUSIONS Our data provide a mechanism of inactivating the ERK1/2/GATA4 signaling pathway for SalB inhibition of the TAC-induced HF.
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Affiliation(s)
- Juan Yu
- Laboratory Animal Center, Southern Medical University, Guangzhou city, Guangdong province, China
- Animal Laboratory, Guangdong Province Academy of Chinese Medicine, Guangzhou city, Guangdong province, China
| | - Renshan Chen
- AMI Key Laboratory of Chinese Medicine in Guangzhou, Guangdong Province Academy of Chinese Medicine, Guangdong Province Hospital of Chinese Medicine, 2 Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou city,Guangdong province, China
| | - Yafang Tan
- AMI Key Laboratory of Chinese Medicine in Guangzhou, Guangdong Province Academy of Chinese Medicine, Guangdong Province Hospital of Chinese Medicine, 2 Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou city,Guangdong province, China
| | - Jiashin Wu
- Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, Ohio, Unitd States of America
| | - Jianyong Qi
- AMI Key Laboratory of Chinese Medicine in Guangzhou, Guangdong Province Academy of Chinese Medicine, Guangdong Province Hospital of Chinese Medicine, 2 Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou city,Guangdong province, China
- * E-mail: (WG); (JQ); (MZ)
| | - Minzhou Zhang
- AMI Key Laboratory of Chinese Medicine in Guangzhou, Guangdong Province Academy of Chinese Medicine, Guangdong Province Hospital of Chinese Medicine, 2 Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou city,Guangdong province, China
- * E-mail: (WG); (JQ); (MZ)
| | - Weiwang Gu
- Laboratory Animal Center, Southern Medical University, Guangzhou city, Guangdong province, China
- * E-mail: (WG); (JQ); (MZ)
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Chen F, Wang C, Sun J, Wang J, Wang L, Li J. Salvianolic acid B reduced the formation of epidural fibrosis in an experimental rat model. J Orthop Surg Res 2016; 11:141. [PMID: 27852325 PMCID: PMC5112727 DOI: 10.1186/s13018-016-0475-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 11/08/2016] [Indexed: 11/10/2022] Open
Abstract
Background Salvianolic acid B (Sal B) was newly reported to be able to attenuate fibrosis in the animal model. The aim of the present study was to investigate the effect of the intragastric application of Sal B on the prevention of epidural fibrosis (EF). Methods Forty healthy adult male Wistar rats were divided into four treatment groups (n = 10 per group): (1) 10 mg/kg Sal B, (2) 30 mg/kg Sal B, (3) 50 mg/kg Sal B and (4) Saline (vehicle treatment, control group). All animals underwent a laminectomy at the lumbar 1–2 (L 1–2) level. After intragastric treatment, all rats were sacrificed at post-operative week 8. The extent of the epidural scar, the regeneration of the vasculature and the expression levels of vascular endothelial growth factor (VEGF) were analysed. Results The animals’ recovery was uneventful during the experimental period. The extent of the epidural scar, the regeneration of the vasculature and the expression levels of VEGF suggested better outcomes in the Sal B-treated groups. Sal B exerted the ability to prevent the formation of an epidural scar and vascularization at the laminectomy sites. The effects of Sal B were dose-dependent, with the 50 mg/kg Sal B group showing the best outcomes compared with the other groups. Conclusions Post-operative intragastric application of Sal B can prevent the formation of epidural scarring. Sal B exerted these effects in a dose-dependent manner, and 50 mg/kg dose was shown to be the best effect in the present study. The results of this study reveal that Sal B could be a potential therapy for EF and valuable for further research.
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Affiliation(s)
- Feng Chen
- Qilu Hospital, Shandong University, Wenhua Xi Road 107th, Jinan, People's Republic of China.,Department of Trauma, The Affiliated Hospital of Qingdao University, Qingdao, People's Republic of China
| | - Changyao Wang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, People's Republic of China
| | - Jintang Sun
- Department of Joint Surgery, The People's Hospital of Jimo City, Qingdao, People's Republic of China
| | - Jin Wang
- Department of Trauma, The Affiliated Hospital of Qingdao University, Qingdao, People's Republic of China
| | - Lanfeng Wang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, People's Republic of China
| | - Jianmin Li
- Qilu Hospital, Shandong University, Wenhua Xi Road 107th, Jinan, People's Republic of China.
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Near-Infrared Spectroscopy as an Analytical Process Technology for the On-Line Quantification of Water Precipitation Processes during Danhong Injection. Int J Anal Chem 2015; 2015:313471. [PMID: 26839549 PMCID: PMC4709625 DOI: 10.1155/2015/313471] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 12/04/2015] [Accepted: 12/09/2015] [Indexed: 01/08/2023] Open
Abstract
This paper used near-infrared (NIR) spectroscopy for the on-line quantitative monitoring of water precipitation during Danhong injection. For these NIR measurements, two fiber optic probes designed to transmit NIR radiation through a 2 mm flow cell were used to collect spectra in real-time. Partial least squares regression (PLSR) was developed as the preferred chemometrics quantitative analysis of the critical intermediate qualities: the danshensu (DSS, (R)-3, 4-dihydroxyphenyllactic acid), protocatechuic aldehyde (PA), rosmarinic acid (RA), and salvianolic acid B (SAB) concentrations. Optimized PLSR models were successfully built and used for on-line detecting of the concentrations of DSS, PA, RA, and SAB of water precipitation during Danhong injection. Besides, the information of DSS, PA, RA, and SAB concentrations would be instantly fed back to site technical personnel for control and adjustment timely. The verification experiments determined that the predicted values agreed with the actual homologic value.
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