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Zhao B, Liu K, Liu X, Li Q, Li Z, Xi J, Xie F, Li X. Plant-derived flavonoids are a potential source of drugs for the treatment of liver fibrosis. Phytother Res 2024; 38:3122-3145. [PMID: 38613172 DOI: 10.1002/ptr.8193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/28/2024] [Accepted: 03/10/2024] [Indexed: 04/14/2024]
Abstract
Liver fibrosis is a dynamic pathological process that can be triggered by any chronic liver injury. If left unaddressed, it will inevitably progress to the severe outcomes of liver cirrhosis or even hepatocellular carcinoma. In the past few years, the prevalence and fatality of hepatic fibrosis have been steadily rising on a global scale. As a result of its intricate pathogenesis, the quest for pharmacological interventions targeting liver fibrosis has remained a formidable challenge. Currently, no pharmaceuticals are exhibiting substantial clinical efficacy in the management of hepatic fibrosis. Hence, it is of utmost importance to expedite the development of novel therapeutics for the treatment of this condition. Various research studies have revealed the ability of different natural flavonoid compounds to alleviate or reverse hepatic fibrosis through a range of mechanisms, which are related to the regulation of liver inflammation, oxidative stress, synthesis and secretion of fibrosis-related factors, hepatic stellate cells activation, and proliferation, and extracellular matrix synthesis and degradation by these compounds. This review summarizes the progress of research on different sources of natural flavonoids with inhibitory effects on liver fibrosis over the last decades. The anti-fibrotic effects of natural flavonoids have been increasingly studied, making them a potential source of drugs for the treatment of liver fibrosis due to their good efficacy and biosafety.
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Affiliation(s)
- Bolin Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xing Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiuxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhibei Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jingjing Xi
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fan Xie
- Hospital of Chengdu University of Traditional Chinese Medicine 610032, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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El-Desouky SK. Celochalcoside, a new quinochalcone C-glycoside from Celosia trigyna. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:644-651. [PMID: 37843408 DOI: 10.1080/10286020.2023.2269528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 10/07/2023] [Indexed: 10/17/2023]
Abstract
A new quinochalcone C-glycoside featuring a unique quinonoid moiety, named celochalcoside (1), was isolated from the n-butanol extract of the aerial parts of Celosia trigyna L. The structure was determined by extensive spectroscopic analysis as well as mass spectrometric data. Compound 1 showed moderate cytotoxic activities against breast cancer cell lines (MCF-7), colon cancer cell lines (HT-29) and hepatocellular carcinoma cell lines (HepG2) with IC50 values of 23.16, 37.05 and 18.35 μg/ml, respectively.
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Affiliation(s)
- Samy K El-Desouky
- Chemistry Department, Faculty of Science, Jazan University, Jazan 2097, Kingdom of Saudi Arabia
- Phytochemistry and Plant Systematic Department, National Research Centre, Dokki, Cairo 12311, Egypt
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3
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Molecular Characterization of an Isoflavone 2'-Hydroxylase Gene Revealed Positive Insights into Flavonoid Accumulation and Abiotic Stress Tolerance in Safflower. Molecules 2022; 27:molecules27228001. [PMID: 36432102 PMCID: PMC9697648 DOI: 10.3390/molecules27228001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/15/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Flavonoids with significant therapeutic properties play an essential role in plant growth, development, and adaptation to various environments. The biosynthetic pathway of flavonoids has long been studied in plants; however, its regulatory mechanism in safflower largely remains unclear. Here, we carried out comprehensive genome-wide identification and functional characterization of a putative cytochrome P45081E8 gene encoding an isoflavone 2'-hydroxylase from safflower. A total of 15 CtCYP81E genes were identified from the safflower genome. Phylogenetic classification and conserved topology of CtCYP81E gene structures, protein motifs, and cis-elements elucidated crucial insights into plant growth, development, and stress responses. The diverse expression pattern of CtCYP81E genes in four different flowering stages suggested important clues into the regulation of secondary metabolites. Similarly, the variable expression of CtCYP81E8 during multiple flowering stages further highlighted a strong relationship with metabolite accumulation. Furthermore, the orchestrated link between transcriptional regulation of CtCYP81E8 and flavonoid accumulation was further validated in the yellow- and red-type safflower. The spatiotemporal expression of CtCYP81E8 under methyl jasmonate, polyethylene glycol, light, and dark conditions further highlighted its likely significance in abiotic stress adaption. Moreover, the over-expressed transgenic Arabidopsis lines showed enhanced transcript abundance in OE-13 line with approximately eight-fold increased expression. The upregulation of AtCHS, AtF3'H, and AtDFR genes and the detection of several types of flavonoids in the OE-13 transgenic line also provides crucial insights into the potential role of CtCYP81E8 during flavonoid accumulation. Together, our findings shed light on the fundamental role of CtCYP81E8 encoding a putative isoflavone 2'-hydroxylase via constitutive expression during flavonoid biosynthesis.
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Integrating Network Pharmacology and Transcriptomic Strategies to Explore the Pharmacological Mechanism of Hydroxysafflor Yellow A in Delaying Liver Aging. Int J Mol Sci 2022; 23:ijms232214281. [PMID: 36430769 PMCID: PMC9697017 DOI: 10.3390/ijms232214281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/03/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022] Open
Abstract
Aging affects the structure and function of the liver. Hydroxysafflor yellow A (HSYA) effectively improves liver aging (LA) in mice, but the potential mechanisms require further exploration. In this study, an integrated approach combining network pharmacology and transcriptomics was used to elucidate the potential mechanisms of HSYA delay of LA. The targets of HSYA were predicted using the PharmMapper, SwissTargetPrediction, and CTD databases, and the targets of LA were collected from the GeneCards database. An ontology (GO) analysis and a Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway annotation of genes related to HSYA delay of LA were performed using the DAVID database, and Cytoscape software was used to construct an HSYA target pathway network. The BMKCloud platform was used to sequence mRNA from mouse liver tissue, screen differentially expressed genes (DEGs) that were altered by HSYA, and enrich their biological functions and signaling pathways through the OmicShare database. The results of the network pharmacology and transcriptomic analyses were combined. Then, quantitative real-time PCR (qRT-PCR) and Western blot experiments were used to further verify the prediction results. Finally, the interactions between HSYA and key targets were assessed by molecular docking. The results showed that 199 potentially targeted genes according to network pharmacology and 480 DEGs according to transcriptomics were involved in the effects of HSYA against LA. An integrated analysis revealed that four key targets, including HSP90AA1, ATP2A1, NOS1 and CRAT, as well as their three related pathways (the calcium signaling pathway, estrogen signaling pathway and cGMP-PKG signaling pathway), were closely related to the therapeutic effects of HSYA. A gene and protein expression analysis revealed that HSYA significantly inhibited the expressions of HSP90AA1, ATP2A1 and NOS1 in the liver tissue of aging mice. The molecular docking results showed that HSYA had high affinities with the HSP90AA1, ATP2A1 and NOS1 targets. Our data demonstrate that HSYA may delay LA in mice by inhibiting the expressions of HSP90AA1, ATP2A1 and NOS1 and regulating the calcium signaling pathway, the estrogen signaling pathway, and the cGMP-PKG signaling pathway.
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Comprehensive review of two groups of flavonoids in Carthamus tinctorius L. Biomed Pharmacother 2022; 153:113462. [DOI: 10.1016/j.biopha.2022.113462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/11/2022] [Accepted: 07/21/2022] [Indexed: 11/22/2022] Open
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Exploration of the Potential Targets and Molecular Mechanism of Carthamus tinctorius L. for Liver Fibrosis Based on Network Pharmacology and Molecular Docking Strategy. Processes (Basel) 2022. [DOI: 10.3390/pr10091735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Carthamus tinctorius L. (Honghua, HH) is an herbal medicine and functional food widely used to treat chronic liver diseases, including liver fibrosis. By using network pharmacology and molecular docking experiments, the present study aims to determine the bioactive components, potential targets, and molecular mechanisms of HH for treating liver fibrosis. The components of HH were screened from the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform and literature, and the SwissTargetPrediction database was used to predict the treatment targets of HH. Genecards and DisGeNET databases contained targets for liver fibrosis, and the STRING database provided networks of protein–protein interactions. Gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses were performed using the Database of Annotation, Visualization and Integrated Discovery. The protein–protein interactive network and drug–component–major target–pathway interactive network were visualized and analyzed by Cytoscape software. Finally, Autodock Vina and Discovery Studio software were used for molecular docking Validation. A total of 23 candidate bioactive compounds with 187 treatment targets of HH were acquired from the databases and literature. A total of 121 overlapping targets between HH and liver fibrosis were found to provide the molecular basis for HH on liver fibrosis. Quercetin, beta carotene, and lignan were identified as key components with targeting to ESR1, PIK3CA, and MTOR. HH is engaged in the intervention of various signaling cascades associated with liver fibrosis, such as PI3K/AKT/mTOR pathway, MAPK pathway, and PPAR pathway. In conclusion, HH treats liver fibrosis through multi-component, multi-target, and multi-pathway mechanisms.
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Genome-wide analysis and transcriptional reprogrammings of MYB superfamily revealed positive insights into abiotic stress responses and anthocyanin accumulation in Carthamus tinctorius L. Mol Genet Genomics 2022; 297:125-145. [PMID: 34978004 DOI: 10.1007/s00438-021-01839-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/13/2021] [Indexed: 12/17/2022]
Abstract
The MYB transcription factors comprise one of the largest superfamilies in plants that have been implicated in the regulation of plant-specific metabolites and responses to biotic and abiotic stresses. Here, we present the first comprehensive genome-wide analysis and functional characterization of the CtMYB family in Carthamus tinctorius. A total of 272 CtMYBs were identified and classified into 12 subgroups using comparative phylogenetic analysis with Arabidopsis and rice orthologs. The overview of conserved motifs, gene structures, and cis elements as well as the expression pattern of CtMYB genes indicated the diverse roles of these transcription factors during plant growth, regulation of secondary metabolites, and various abiotic stress responses. The subcellular localization and transactivation analysis of four CtMYB proteins indicated predominant localization in the nuclei with enhanced transcriptional activation in yeast. The expression of CtMYB63 induced with various abiotic stress conditions showed upregulation in its transcription level. In addition, the expression analysis of the core structural genes of anthocyanin biosynthetic pathway under drought and cold stress in CtMYB63 overexpressed transgenic lines also supports the notion of CtMYB63 transcriptional reprogramming in response to abiotic stress by upregulating the anthocyanin biosynthesis. Together, our findings revealed the underlying regulatory mechanism of CtMYB TF network involving enhanced cold and drought stress tolerance through activating the rapid biosynthesis of anthocyanin in C. tinctorius. This study also presents useful insights towards the establishment of new strategies for crop improvements.
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WANG Y, DU Y, LI J, XU K. Hydroxysafflor yellow A from safflower (Carthamus tinctorius L.) prevents cerebral ischemia-reperfusion injury in rats. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.21221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yunfeng WANG
- General Hospital of The Yangtze River Shipping, China
| | - Yuanmin DU
- General Hospital of The Yangtze River Shipping, China
| | - Jin LI
- General Hospital of The Yangtze River Shipping, China
| | - Kang XU
- General Hospital of The Yangtze River Shipping, China
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Ugwu CE, Suru SM. Medicinal plants with hepatoprotective potentials against carbon tetrachloride-induced toxicity: a review. EGYPTIAN LIVER JOURNAL 2021. [DOI: 10.1186/s43066-021-00161-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Abstract
Background
Carbon tetrachloride (CCl4) is a well-characterized hepatotoxic agent. With rising cases of liver diseases, the identification, assessment, and development of hepatoprotective agents from plants source has become imperative.
Main body
With arrays of literature on plants with hepatoprotective potentials, this review sourced published literatures between 1998 and 2020 and systematically highlighted about 92 medicinal plants that have been reported to protect against CCl4-induced liver injury in animal models. The results show that herbal plants provide protection for the liver against CCl4 by downregulation of the liver marker enzymes and activation of antioxidant capacity of the liver cells with the restoration of liver architecture. We also provided the traditional and accompanying pharmacological uses of the plants. A variety of phytochemicals mostly flavonoids and polyphenols compounds were suggested to offer protection against liver injuries.
Conclusion
It can be concluded that there are a variety of phytochemicals in plant products with hepatoprotective activity against CCl4-induced toxicity in animal models.
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Lu PH, Kuo CY, Chan CC, Wang LK, Chen ML, Tzeng IS, Tsai FM. Safflower Extract Inhibits ADP-Induced Human Platelet Aggregation. PLANTS 2021; 10:plants10061192. [PMID: 34208125 PMCID: PMC8230796 DOI: 10.3390/plants10061192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 02/07/2023]
Abstract
Safflower extract is commonly used as a traditional Chinese medicine to promote blood circulation and remove blood stasis. The antioxidant and anticancer properties of safflower extracts have been extensively studied, but their antiaggregative effects have been less analyzed. We found that safflower extract inhibited human platelet aggregation induced by ADP. In addition, we further analyzed several safflower extract compounds, such as hydroxysafflor yellow A, safflower yellow A, and luteolin, which have the same antiaggregative effect. In addition to analyzing the active components of the safflower extract, we also analyzed their roles in the ADP signaling pathways. Safflower extract can affect the activation of downstream conductors of ADP receptors (such as the production of calcium ions and cAMP), thereby affecting the expression of activated glycoproteins on the platelet membrane and inhibiting platelet aggregation. According to the results of this study, the effect of safflower extract on promoting blood circulation and removing blood stasis may be related to its direct inhibition of platelet activation.
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Affiliation(s)
- Ping-Hsun Lu
- Department of Chinese Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Chan-Yen Kuo
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - Chuan-Chi Chan
- Department of Laboratory Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
| | - Lu-Kai Wang
- Radiation Biology Core Laboratory, Institute for Radiological Research, Chang Gung University/Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan;
| | - Mao-Liang Chen
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - I-Shiang Tzeng
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - Fu-Ming Tsai
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
- Correspondence: ; Tel.: +886-2-66289779-5793
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Tiaoshen Tongluo Attenuates Fibrosis by Modulating the TGF- β1/Smad Pathway in Endometrial Stromal Cells and a Rat Model of Intrauterine Adhesion. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6675329. [PMID: 33981353 PMCID: PMC8088367 DOI: 10.1155/2021/6675329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/02/2021] [Accepted: 04/10/2021] [Indexed: 12/13/2022]
Abstract
Intrauterine adhesion (IUA) is a serious complication caused by excessive fibrosis resulting from endometrial repair after trauma. The traditional Chinese medicine Tiaoshen Tongluo recipe (TTR) contains ingredients associated with the alleviation of fibrosis. The transforming growth factor-β1 (TGF-β1)/Smad pathway is thought to mediate fibrosis in IUA. In this study, we evaluated the influence of TTR on endometrial fibrosis in a rat model of IUA and in TGF-β1-stimulated endometrial stromal cells (ESCs). TTR was found to alleviate the level of endometrial fibrosis in a rat model of IUA. A higher number of collagen fibers and greater damage were observed in the endometrial tissue of untreated rats compared to those treated with TTR. The expression of TGF-β1, Smad2, Smad3, and Smad4 was upregulated following IUA, whereas Smad7 expression was downregulated. TTR lowers the expression of TGF-β1, Smad2, Smad3, and Smad4 but increases the expression of Smad7 in vivo, indicating that TTR can modulate the expression of the TGF-β1/Smad pathway to mediate fibrosis. In ESCs, the phosphorylation of Smad2 and Smad3 and upregulation of Smad4 were induced by TGF-β1 whereas the expression of Smad7 was inhibited. Administration of TTR reduces the phosphorylation of Smad2 and Smad3, increases Smad4 expression induced by TGF-β1, and promotes the expression of Smad7. TTR modulates the TGF-β1/Smad pathway to alleviate the generation of fibrotic tissue in response to IUA.
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A Comprehensive Review of Natural Products against Liver Fibrosis: Flavonoids, Quinones, Lignans, Phenols, and Acids. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:7171498. [PMID: 33082829 PMCID: PMC7556091 DOI: 10.1155/2020/7171498] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/23/2020] [Accepted: 07/25/2020] [Indexed: 12/18/2022]
Abstract
Liver fibrosis resulting from continuous long-term hepatic damage represents a heavy burden worldwide. Liver fibrosis is recognized as a complicated pathogenic mechanism with extracellular matrix (ECM) accumulation and hepatic stellate cell (HSC) activation. A series of drugs demonstrate significant antifibrotic activity in vitro and in vivo. No specific agents with ideally clinical efficacy for liver fibrosis treatment have been developed. In this review, we summarized the antifibrotic effects and molecular mechanisms of 29 kinds of common natural products. The mechanism of these compounds is correlated with anti-inflammatory, antiapoptotic, and antifibrotic activities. Moreover, parenchymal hepatic cell survival, HSC deactivation, and ECM degradation by interfering with multiple targets and signaling pathways are also involved in the antifibrotic effects of these compounds. However, there remain two bottlenecks for clinical breakthroughs. The low bioavailability of natural products should be improved, and the combined application of two or more compounds should be investigated for more prominent pharmacological effects. In summary, exploration on natural products against liver fibrosis is becoming increasingly extensive. Therefore, natural products are potential resources for the development of agents to treat liver fibrosis.
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A Metabolic Perspective and Opportunities in Pharmacologically Important Safflower. Metabolites 2020; 10:metabo10060253. [PMID: 32560514 PMCID: PMC7344433 DOI: 10.3390/metabo10060253] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 06/12/2020] [Accepted: 06/15/2020] [Indexed: 02/07/2023] Open
Abstract
Safflower (Carthamus tinctorius L.) has long been grown as a crop due to its commercial utility as oil, animal feed, and pharmacologically significant secondary metabolites. The integration of omics approaches, including genomics, transcriptomics, metabolomics, and proteomics datasets, has provided more comprehensive knowledge of the chemical composition of crop plants for multiple applications. Knowledge of a metabolome of plant is crucial to optimize the evolution of crop traits, improve crop yields and quality, and ensure nutritional and health factors that provide the opportunity to produce functional food or feedstuffs. Safflower contains numerous chemical components that possess many pharmacological activities including central nervous, cardiac, vascular, anticoagulant, reproductive, gastrointestinal, antioxidant, hypolipidemic, and metabolic activities, providing many other human health benefits. In addition to classical metabolite studies, this review focuses on several metabolite-based working techniques and updates to provide a summary of the current medical applications of safflower.
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Overexpression of a Novel Cytochrome P450 Promotes Flavonoid Biosynthesis and Osmotic Stress Tolerance in Transgenic Arabidopsis. Genes (Basel) 2019; 10:genes10100756. [PMID: 31561549 PMCID: PMC6826380 DOI: 10.3390/genes10100756] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 09/22/2019] [Accepted: 09/24/2019] [Indexed: 12/20/2022] Open
Abstract
Flavonoids are mainly associated with growth, development, and responses to diverse abiotic stresses in plants. A growing amount of data have demonstrated the biosynthesis of flavonoids through multienzyme complexes of which the membrane-bounded cytochrome P450 supergene family shares a crucial part. However, the explicit regulation mechanism of Cytochrome P450s related to flavonoid biosynthesis largely remains elusive. In the present study, we reported the identification of a stress-tolerant flavonoid biosynthetic CtCYP82G24 gene from Carthamus tinctorius. The transient transformation of CtCYP82G24 determined the subcellular localization to the cytosol. Heterologously expressed CtCYP82G24 was effective to catalyze the substrate-specific conversion, promoting the de novo biosynthesis of flavonoids in vitro. Furthermore, a qRT-PCR assay and the accumulation of metabolites demonstrated that the expression of CtCYP82G24 was effectively induced by Polyethylene glycol stress in transgenic Arabidopsis. In addition, the overexpression of CtCYP82G24 could also trigger expression levels of several other flavonoid biosynthetic genes in transgenic plants. Taken together, our findings suggest that CtCYP82G24 overexpression plays a decisive regulatory role in PEG-induced osmotic stress tolerance and alleviates flavonoid accumulation in transgenic Arabidopsis.
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Genome-Wide Identification, Expression Analysis, and Subcellular Localization of Carthamus tinctorius bHLH Transcription Factors. Int J Mol Sci 2019; 20:ijms20123044. [PMID: 31234449 PMCID: PMC6627405 DOI: 10.3390/ijms20123044] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 12/16/2022] Open
Abstract
The basic helix-loop-helix (bHLH) family is the second largest superfamily of transcription factors that belongs to all three eukaryotic kingdoms. The key function of this superfamily is the regulation of growth and developmental mechanisms in plants. However, the bHLH gene family in Carthamus tinctorius has not yet been studied. Here, we identified 41 bHLH genes in Carthamus tinctorius that were classified into 23 subgroups. Further, we conducted a phylogenetic analysis and identified 10 conserved protein motifs found in the safflower bHLH family. We comprehensively analyzed a group of bHLH genes that could be associated with flavonoid biosynthesis in safflower by gene expression analysis, gene ontology annotation, protein interaction network prediction, subcellular localization of the candidate CtbHLH40 gene, and real-time quantitative expression analysis. This study provides genome-wide identification of the genes related to biochemical and physiological processes in safflower.
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Karimi-Sales E, Mohaddes G, Alipour MR. Chalcones as putative hepatoprotective agents: Preclinical evidence and molecular mechanisms. Pharmacol Res 2018; 129:177-187. [DOI: 10.1016/j.phrs.2017.11.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/16/2017] [Accepted: 11/17/2017] [Indexed: 02/08/2023]
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17
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Li Q, Li HJ, Xu T, Du H, Huan Gang CL, Fan G, Zhang Y. Natural Medicines Used in the Traditional Tibetan Medical System for the Treatment of Liver Diseases. Front Pharmacol 2018; 9:29. [PMID: 29441019 PMCID: PMC5797630 DOI: 10.3389/fphar.2018.00029] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 01/10/2018] [Indexed: 12/13/2022] Open
Abstract
Liver disease is one of the most risk factors threatening human health. It is of great significance to find drugs that can treat liver diseases, especially for acute and chronic hepatitis, non-alcoholic fatty liver disease, and liver cancer. The search for drugs with good efficacy from traditional natural medicines has attracted more and more attention. Tibetan medicine, one of the China's traditional medical systems, has been widely used by the Tibetan people for the prevention and treatment of liver diseases for hundreds of years. The present paper summarized the natural Tibetan medicines that have been used in Tibetan traditional system of medicine to treat liver diseases by bibliographic investigation of 22 Tibetan medicine monographs and drug standards. One hundred and ninety three species including 181 plants, 7 animals, and 5 minerals were found to treat liver diseases in traditional Tibetan medicine system. The most frequently used species are Carthamus tinctorius, Brag-zhun, Swertia chirayita, Swertia mussotii, Halenia elliptica, Herpetospermum pedunculosum, and Phyllanthus emblica. Their names, families, medicinal parts, traditional uses, phytochemicals information, and pharmacological activities were described in detail. These natural medicines might be a valuable gift from the old Tibetan medicine to the world, and would be potential drug candidates for the treatment of liver diseases. Further studies are needed to prove their medicinal values in liver diseases treatment, identify bioactive compounds, elucidate the underlying mechanism of action, and clarify their side effects or toxicity with the help of modern phytochemical, pharmacological, metabonomics, and/or clinical trial methods.
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Affiliation(s)
- Qi Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hai-Jiao Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Tong Xu
- College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Huan Du
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chen-Lei Huan Gang
- College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Gang Fan
- College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Characteristic National Medicine Innovation Research Center of Tibet-Qiang-Yi, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Zhang
- College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Jin M, Wang L, Wu Y, Zang BX, Tan L. Protective effect of hydroxysafflor yellow A on bleomycin- induced pulmonary inflammation and fibrosis in rats. Chin J Integr Med 2018; 24:32-39. [DOI: 10.1007/s11655-017-2094-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Indexed: 10/18/2022]
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Özerkan D, Özsoy N, Akbulut KG, Güney Ş, Öztürk G. The protective effect of vitamin D against carbon tetrachloride damage to the rat liver. Biotech Histochem 2017; 92:513-523. [PMID: 28910170 DOI: 10.1080/10520295.2017.1361549] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
We investigated the protective effect of vitamin D against liver damage caused by carbon tetrachloride (CCl4). Twenty-four male rats were divided into four equal groups: G1, untreated controls; G2, administered CCl4; G3, administered both CCl4 and vitamin D for 10 weeks; G4, administered CCl4 for 10 weeks and vitamin D for 12 weeks. At the end of experiment, intracardiac blood samples were taken and liver samples were removed. Hepatic damage due to CCl4 was assessed using biochemistry and histopathology. Glutathione (GSH) levels decreased, while malondialdehyde (MDA) levels increased in liver tissues of G2. Alanine transaminase (ALT), alkaline phosphatase (ALP), and gamma-glutamyl-transaminase (GGT) levels increased, while albumin (ALB) levels decreased. Hepatocyte degeneration, lobular disorder, sinusoid dilation, focal necrotic areas, hyperemia, and glycogen loss were observed. Hepatic fibrosis was observed around portal areas and central veins. Bridging fibrous septa were formed between portal veins. By immunohistochemistry, both matrix metalloproteinase-9 (MMP-9) and desmin reactivity were increased. All aspects of liver damage were at least partially prevented in rats treated with vitamin D. Vitamin D appears to act as an antioxidant and anti-fibrotic to protect the rat liver against damage.
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Affiliation(s)
- D Özerkan
- a Department of Genetics and Bioengineering, Faculty of Engineering and Architecture , Kastamonu University , Kastamonu
| | - N Özsoy
- b Department of Biology, Faculty of Science , Ankara University , Ankara
| | - K G Akbulut
- c Department of Physiology, Faculty of Medicine , Gazi University , Ankara
| | - Ş Güney
- c Department of Physiology, Faculty of Medicine , Gazi University , Ankara
| | - G Öztürk
- d Department of Physiology, Faculty of Medicine , Istanbul Medeniyet University , Istanbul , Turkey
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Wang T, Wu D, Li P, Zhang K, Tao S, Li Z, Li J. Effects of Taohongsiwu decoction on the expression of α-SMA and TGF-β1 mRNA in the liver tissues of a rat model of hepatic cirrhosis. Exp Ther Med 2017; 14:1074-1080. [PMID: 28810560 PMCID: PMC5525594 DOI: 10.3892/etm.2017.4625] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 03/06/2017] [Indexed: 02/06/2023] Open
Abstract
The present study aimed to explore the treatment effects of Taohongsiwu decoction on the liver fibrosis in a rat model, as few prior studies have investigated the anti-fibrotic effects of Taohongsiwu decoction. High-performance liquid chromatography was used to measure the concentration of ferulic acid and hydrosafflower flavin A in the decoction. Male Sprague-Dawley rats were randomly divided into control, model, colchicine (positive group), Taohongsiwu-high, Taohongsiwu-moderate and Taohongsiwu-low groups; 50% carbon tetrachloride (CCl4) of peanut oil solution was subcutaneously injected to the rats except for the control group, and the drugs were intragastrically administered (10 ml/kg) starting at week 7 for 6 continuous weeks. The rats were deprived of food but not water for 12 h following the final administration, then blood was collected from the abdominal aorta. The liver tissues were obtained, fixed with 10% neutral formaldehyde, and embedded with paraffin. The concentrations of ferulic acid and hydroxysafflor flavin A in Taohongsiwu decoction were 0.12 and 0.57 mg/ml, respectively. The three groups treated with Taohongsiwu decoction were found with significantly lower serum levels of aspartate aminotransferase, alanine amino transferase, collagen IV and hyaluronic acid, as well as higher level of albumin (ALB); in addition, the expression levels of α-smooth muscle actin (α-SMA) and transforming growth factor-β1 (TGF-β1) mRNA and collagen I were significantly downregulated. Taohongsiwu decoction improved the liver function, reduced the collagen deposition in the serum and liver tissues, and inhibited the expression of α-SMA and TGF-β1.
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Affiliation(s)
- Tongsheng Wang
- School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China.,Department of Pharmacology, Clinical College of Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, Anhui 230032, P.R. China
| | - Deling Wu
- Department of Natural Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China
| | - Peipei Li
- Department of Natural Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China
| | - Ke Zhang
- Department of Natural Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China
| | - Shanjun Tao
- Department of Natural Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China
| | - Zhu Li
- Department of Pharmacology, Clinical College of Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, Anhui 230032, P.R. China
| | - Jun Li
- School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China
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Pan R, Zhang Y, Zheng M, Zang B, Jin M. Hydroxysafflor Yellow A Suppresses MRC-5 Cell Activation Induced by TGF-β1 by Blocking TGF-β1 Binding to TβRII. Front Pharmacol 2017; 8:264. [PMID: 28553231 PMCID: PMC5425600 DOI: 10.3389/fphar.2017.00264] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 04/27/2017] [Indexed: 02/06/2023] Open
Abstract
Hydroxysafflor yellow A (HSYA) is an active ingredient of Carthamus tinctorius L.. This study aimed to evaluate the effects of HSYA on transforming growth factor-β1 (TGF-β1)-induced changes in proliferation, migration, differentiation, and extracellular matrix accumulation and degradation in human fetal lung fibroblasts (MRC-5), to explore the mechanisms whereby HSYA may alleviate pulmonary fibrosis. MRC-5 cells were incubated with various doses of HSYA and/or the TGF-β receptor type I kinase inhibitor SB431542 and then stimulated with TGF-β1. Cell proliferation was measured by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfo-phenyl)-2H-tetrazolium inner salt assay. Cell migration was detected by wound-healing assay. Protein levels of α-smooth muscle actin (α-SMA), collagen I α 1 (COL1A1), and fibronectin (FN) were measured by immunofluorescence. Protein levels of matrix metalloproteinase-2, tissue inhibitor of matrix metalloproteinase-1, tissue inhibitor of matrix metalloproteinase-2, TGF-β type II receptor (TβRII), and TGF-β type I receptor were detected by western blotting. TβRII knockdown with siRNA interfered with the inhibitory effect of HSYA on α-SMA, COL1A1, and FN expression, and TGF-β1-induced Sma and Mad protein (Smad), and extracellular signal-regulated kinase/mitogen-activated protein kinase signaling pathway activation. The antagonistic effect of HSYA on the binding of fluorescein isothiocyanate-TGF-β1 to MRC-5 cell cytoplasmic receptors was measured by flow cytometry. HSYA significantly suppressed TGF-β1-induced cell proliferation and migration. HSYA could antagonize the binding of FITC-TGF-β1 to MRC-5 cell cytoplasmic receptors. Also HSYA inhibited TGF-β1-activated cell expression of α-SMA, COL1A1, and FN and phosphorylation level of Smad2, Smad3, and ERK by targeting TβRII in MRC-5 cells. These findings suggest that TβRII might be the target responsible for the inhibitory effects of HSYA on TGF-β1-induced pathological changes in pulmonary fibrosis.
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Affiliation(s)
- Ruiyan Pan
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel DiseasesBeijing, China
| | - Yadan Zhang
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel DiseasesBeijing, China
| | - Meng Zheng
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel DiseasesBeijing, China
| | - Baoxia Zang
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel DiseasesBeijing, China
| | - Ming Jin
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel DiseasesBeijing, China
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Pei JP, Fan LH, Nan K, Li J, Dang XQ, Wang KZ. HSYA alleviates secondary neuronal death through attenuating oxidative stress, inflammatory response, and neural apoptosis in SD rat spinal cord compression injury. J Neuroinflammation 2017; 14:97. [PMID: 28468657 PMCID: PMC5415746 DOI: 10.1186/s12974-017-0870-1] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 04/21/2017] [Indexed: 01/08/2023] Open
Abstract
Background Hydroxysafflor yellow A (HSYA) is a major active component of yellow pigment extracted from safflowers; this compound possesses potent neuroprotective effects both in vitro and in vivo. However, underlying mechanism of HSYA is not fully elucidated. The present study investigated the protective effects of HSYA in rat spinal cord compression injury model and related mechanisms involved. Methods Sprague–Dawley rats were divided as Sham, Control, and HSYA groups (n = 30 per group). Spinal cord injury (SCI) model was induced by application of vascular clips (force of 50 g, 1 min) to the dura at T9–T10 level of vertebra. Injured animals were administered with either HSYA (8 mg/kg at 1 and 6 h after injury, then 14 mg/kg, for a total of 7 days at 24-h time intervals) or equal volume of saline by intraperitoneal injection. Results From this experiment, we discovered that SCI in rats resulted in severe trauma, which is characterized by tissue damage, lipid peroxidation, neutrophil infiltration, inflammation mediator release, and neuronal apoptosis. However, HSYA treatment significantly reduced the following: (1) degree of tissue injury (histological score) and edema; (2) neutrophil infiltration (myeloperoxidase activity); (3) oxidative stress (superoxide dismutase, malondialdehyde, and nitric oxide); (4) pro-inflammatory cytokine expression (tumor necrosis factor-α, interleukin-6, inducible nitric oxide synthase, cyclooxygenase-2); (5) nuclear factor-κB activation; (6) apoptosis (terminal deoxynucleotidyl transferase dUTP nick end labeling staining and cysteine-aspartic protease-3 activity). Moreover, in a separate set of experiments, we clearly demonstrated that HSYA treatment significantly ameliorated recovery of limb function (as evaluated by Basso, Beattie, and Bresnahan behavioral recovery scores). Conclusions Treatment with HSYA restrains development of oxidative stress, inflammation response, and apoptotic events associated with SCI of rats, demonstrating that HSYA is a potential neuroprotectant for human SCI therapy.
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Affiliation(s)
- Jun-Peng Pei
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi Province, People's Republic of China
| | - Li-Hong Fan
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi Province, People's Republic of China.
| | - Kai Nan
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi Province, People's Republic of China
| | - Jia Li
- Department of Orthopaedics, the First Affiliated Hospital of Xi'an Jiaotong University, School of Medicine, Xi'an, 710061, China
| | - Xiao-Qian Dang
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi Province, People's Republic of China
| | - Kun-Zheng Wang
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi Province, People's Republic of China
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Pan R, Zhang Y, Zang B, Tan L, Jin M. Hydroxysafflor yellow A inhibits TGF-β1-induced activation of human fetal lung fibroblasts in vitro. J Pharm Pharmacol 2016; 68:1320-30. [PMID: 27457091 DOI: 10.1111/jphp.12596] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 06/10/2016] [Indexed: 12/11/2022]
Abstract
Abstract
Objective
Hydroxysafflor yellow A (HSYA) is one of the chemical component isolated from Chinese medicine Carthamus tinctorius L. Our preliminary study confirmed that HSYA attenuated bleomycin-induced pulmonary fibrosis in mice. In this study, we evaluated the effect of HSYA on TGF-β1-induced activation of human fetal lung fibroblasts (MRC-5) and explored the underlying mechanisms of its activity.
Method
MRC-5 cells activated by TGF-β1 were incubated with HSYA and/or the TGF-β type I receptor inhibitor, SB431542. TGF-β1-induced cell proliferation, α-smooth muscle actin, collagen I alpha 1 and fibronectin expression, Smad, mitogen-activated protein kinase (MAPK) and phosphatidylinositol-3 kinase/Akt signalling pathway activation were observed.
Key findings
Hydroxysafflor yellow A significantly inhibited TGF-β1-induced cell proliferation and the expression, both mRNA and protein, of α-smooth muscle actin, collagen I alpha 1 and fibronectin. HSYA also suppressed TGF-β1 activation of Smad signal transduction via inhibition of Smad2 and Smad3 phosphorylation, their nuclear translocation and the binding activity of Smad3 to type I collagen promoter in MRC-5 cells. In addition, HSYA inhibited TGF-β1-induced phosphorylation of extracellular signal-regulated kinase (ERK). The inhibitory effects of HSYA were similar to SB431542.
Conclusion
These findings suggest that HSYA inhibits TGF-β1-induced activation of MRC-5 cells associated with TGF-β1/Smad and ERK/MAPK signalling pathways.
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Affiliation(s)
- Ruiyan Pan
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, No. 2 Anzhen Road, Chaoyang district, Beijing, 100029, China
| | - Yadan Zhang
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, No. 2 Anzhen Road, Chaoyang district, Beijing, 100029, China
| | - Baoxia Zang
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, No. 2 Anzhen Road, Chaoyang district, Beijing, 100029, China
| | - Li Tan
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, No. 2 Anzhen Road, Chaoyang district, Beijing, 100029, China
| | - Ming Jin
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, No. 2 Anzhen Road, Chaoyang district, Beijing, 100029, China
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Hu N, Duan J, Li H, Wang Y, Wang F, Chu J, Sun J, Liu M, Wang C, Lu C, Wen A. Hydroxysafflor Yellow A Ameliorates Renal Fibrosis by Suppressing TGF-β1-Induced Epithelial-to-Mesenchymal Transition. PLoS One 2016; 11:e0153409. [PMID: 27088510 PMCID: PMC4835075 DOI: 10.1371/journal.pone.0153409] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Accepted: 03/29/2016] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE Renal fibrosis is the common pathological foundation of many chronic kidney diseases (CKDs). The aim of this study was to investigate whether Hydroxysafflor yellow A (HSYA) can preserve renal function by inhibiting the progression of renal fibrosis and the potential mechanisms. METHODS Renal fibrosis was induced by unilateral ureteral obstruction (UUO) performed on 7-week-old C57BL/6 mice. HSYA (10, 50 and 100 mg/kg) were intragastrically administered. Sham group and model group were administered with the same volume of vehicle. Serum and kidney samples were collected 14 days after the UUO surgery. Serum biochemical indicators were measured by automatic biochemical analyzer. Histological changes were evaluated by HE and Masson staining. In vitro, the anti-fibrotic effect of HSYA was tested on human recombinant transforming growth factor-β1 (TGF-β1) stimulated HK-2 cells. The protein levels of α-SMA, collagen-I and fibronectin in kidney tissue and HK-2 cells were measured by immunohistochemistry and immunofluorescence. The protein levels of apoptosis-relative and TGF-β1/Smad3 signaling were detected by western blot. RESULTS HSYA slowed the development of renal fibrosis both in vivo and in vitro. In UUO rats, renal function index suggested that HSYA treatment decreased the level of serum creatinine (Scr) and blood urea nitrogen (BUN) rose by UUO (P<0.05). HE staining and Masson staining demonstrated that kidney interstitial fibrosis, tubular atrophy, and inflammatory cell infiltration were notably attenuated in the high-dose HSYA group compared with the model group. The expressions of α-SMA, collagen-I and fibronectin were decreased in the UUO kidney and HK-2 cells of the HSYA-treatment group. Moreover, HSYA reduced the apoptotic rate of HK-2 cells stimulated by TGF-β1. Further study revealed that HSYA regulated the TGF-β1/Smads signaling pathway both in kidney tissue and HK-2 cells. CONCLUSIONS These results suggested that HSYA had a protective effect against fibrosis in renal cells, at least partly, through inhibiting TGF-β1/smad3-mediated Epithelial-mesenchymal transition signaling pathway.
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Affiliation(s)
- Naping Hu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Jialin Duan
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Huihui Li
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Yanhua Wang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Fang Wang
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Jianjie Chu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Jin Sun
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Meiyou Liu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
| | - Chao Wang
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
| | - Chengtao Lu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- * E-mail: (ADW); (CTL)
| | - Aidong Wen
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi’an, 710032, China
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, 712046, China
- * E-mail: (ADW); (CTL)
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Zhang LL, Tian K, Tang ZH, Chen XJ, Bian ZX, Wang YT, Lu JJ. Phytochemistry and Pharmacology of Carthamus tinctorius L. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2016; 44:197-226. [DOI: 10.1142/s0192415x16500130] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Carthamus tinctorius L. is a multifunctional cash crop. Its flowers and seeds are extensively used in traditional herbal medicine in China, Korea, Japan, and other Asian countries, for treating various ailments such as gynecological, cardiovascular, and cerebrovascular diseases as well as blood stasis and osteoporosis. More than 100 compounds have been isolated and identified from C. tinctorius. Flavonoids and alkaloids, especially the quinochalcone c-glycoside hydroxysafflor yellow A, N-(p-Coumaroyl)serotonin, and N-feruloylserotonin, are responsible for most of the pharmacological activities of C. tinctorius. In this paper, comprehensive and up-to-date information on the phytochemistry and pharmacology of C. tinctorius is presented. This information will be helpful for further explorations of the therapeutic potential of C. tinctorius and may provide future research opportunities.
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Affiliation(s)
- Le-Le Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Ke Tian
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Zheng-Hai Tang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Xiao-Jia Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Zhao-Xiang Bian
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Yi-Tao Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jin-Jian Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
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Jin M, Wu Y, Wang L, Zang B, Tan L. Hydroxysafflor Yellow A Attenuates Bleomycin-induced Pulmonary Fibrosis in Mice. Phytother Res 2016; 30:577-87. [PMID: 26777519 DOI: 10.1002/ptr.5560] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 10/21/2015] [Accepted: 12/04/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Ming Jin
- Department of Pharmacology, Beijing Anzhen Hospital, Beijing Institute of Heart Lung and Blood Vessel Disease; Capital Medical University; No. 2, Anzhen Road, Chaoyang District Beijing 100029 China
| | - Yan Wu
- Department of Pharmacology, Beijing Anzhen Hospital, Beijing Institute of Heart Lung and Blood Vessel Disease; Capital Medical University; No. 2, Anzhen Road, Chaoyang District Beijing 100029 China
| | - Lin Wang
- Department of Pharmacology, Beijing Anzhen Hospital, Beijing Institute of Heart Lung and Blood Vessel Disease; Capital Medical University; No. 2, Anzhen Road, Chaoyang District Beijing 100029 China
| | - Baoxia Zang
- Department of Pharmacology, Beijing Anzhen Hospital, Beijing Institute of Heart Lung and Blood Vessel Disease; Capital Medical University; No. 2, Anzhen Road, Chaoyang District Beijing 100029 China
| | - Li Tan
- Department of Pharmacology, Beijing Anzhen Hospital, Beijing Institute of Heart Lung and Blood Vessel Disease; Capital Medical University; No. 2, Anzhen Road, Chaoyang District Beijing 100029 China
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Zhang M, Pan LJ, Jiang ST, Mo YW. Protective effects of anthocyanins from purple sweet potato on acute carbon tetrachloride-induced oxidative hepatotoxicity fibrosis in mice. FOOD AGR IMMUNOL 2015. [DOI: 10.1080/09540105.2015.1079589] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Tu Y, Xue Y, Guo D, Sun L, Guo M. Carthami flos: a review of its ethnopharmacology, pharmacology and clinical applications. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2015. [DOI: 10.1016/j.bjp.2015.06.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Liu X, Hu Z, Zhou B, Li X, Tao R. Chinese Herbal Preparation Xuebijing Potently Inhibits Inflammasome Activation in Hepatocytes and Ameliorates Mouse Liver Ischemia-Reperfusion Injury. PLoS One 2015; 10:e0131436. [PMID: 26132490 PMCID: PMC4488587 DOI: 10.1371/journal.pone.0131436] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 06/01/2015] [Indexed: 12/30/2022] Open
Abstract
The Chinese herb preparation Xuebijing injection (XBJ) has been widely used in the management of various septic disorders or inflammation-related conditions, however the molecular mechanism of its anti-inflammatory effect remains largely elusive. In the current study, we found that XBJ treatment potently ameliorated mouse hepatic ischemia-reperfusion (IR) injury, manifested as decreased liver function tests (LDH, ALT, AST), improved inflammation and less hepatocyte apoptosis. Notably, XBJ markedly inhibited inflammasome activation and IL-1 production in mouse livers subjected to IRI, even in the absence of Kupffer cells, suggesting Kupffer cells are not necessary for hepatic inflammasome activation upon Redox-induced sterile inflammation. This finding led us to investigate the role of XBJ on hepatocyte apoptosis and inflammasome activation using an in vitro hydrogen peroxide (H2O2)-triggered hepatocyte injury model. Our data clearly demonstrated that XBJ potently inhibited apoptosis, as well as caspase-1 cleavage and IL-1β production in a time- and dose-dependent manner in isolated hepatocytes, suggesting that in addition to its known modulatory effect on NF-κB-dependent inflammatory gene expression, it also has a direct impact on hepatocyte inflammasome activation. The current study not only deepens our understanding of how XBJ ameliorates inflammation and apoptosis, but also has immediate practical significance in many clinical situations such as partial hepatectomy, liver transplantation, etc.
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Affiliation(s)
- Xiqiang Liu
- Department of Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Zhiqiu Hu
- Department of Surgery, Minhang Hospital, Fudan University, Shanghai, PR China
| | - Bin Zhou
- Department of cardiothoracic surgery, Zhejiang Provincial People’s Hospital (ZJPPH), Hangzhou, Zhejiang Province, PR China
| | - Xiang Li
- Department of Pharmacology, Faculty of Basic Medicine, Zhejiang Medical College, Hangzhou, Zhejiang Province, PR China
| | - Ran Tao
- Department of Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
- Department of Hepatobiliary-Pancreatic Surgery, Zhejiang Provincial People’s Hospital (ZJPPH), Hangzhou, Zhejiang Province, PR China
- * E-mail:
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Hepatoprotective effects of kaempferol 3-O-rutinoside and kaempferol 3-O-glucoside from Carthamus tinctorius L. on CCl4-induced oxidative liver injury in mice. J Food Drug Anal 2015; 23:310-317. [PMID: 28911387 PMCID: PMC9351762 DOI: 10.1016/j.jfda.2014.10.002] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 10/23/2014] [Accepted: 10/23/2014] [Indexed: 12/28/2022] Open
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Protective effects of hydroxysafflor yellow A (HSYA) on alcohol-induced liver injury in rats. J Physiol Biochem 2015; 71:69-78. [PMID: 25626885 DOI: 10.1007/s13105-015-0382-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 01/14/2015] [Indexed: 12/24/2022]
Abstract
Hydroxysafflor yellow A (HSYA), the main active natural constituent extracted from Carthamus tinctorius L., has been widely used for the treatment of cerebrovascular and cardiovascular diseases. The aim of this study is to explore the effect of HSYA on alcohol-induced liver injury and the underlying mechanism. Male Sprague-Dawley rats were used to establish the liver injury model induced by alcohol. HSYA treatment ameliorated serum biochemical indicators by reducing the levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), hyaluronan (HA), laminin (LN), and type III precollagen (III-C) in rats. HSYA efficiently increased the activity and messenger RNA (mRNA) of superoxide dismutase (SOD) and glutathione peroxidase (GPx) in rat liver tissue compared with those of model group, which was obviously reduced by alcohol. HSYA also apparently decreased the levels of reactive oxygen species (ROS) and malondialdehyde (MDA) in rat liver tissue compared with those of model group, which was obviously enhanced by alcohol. Histological studies demonstrated that HSYA substantially reduced the number of macro- and micro-vesicular steatosis, suppressed hepatic fibrogenesis and shrunk ballooning degeneration areas, ameliorated the severity of liver damage induced by long-term drinking, and finally improved the liver architecture. In addition, immunohistochemistry study indicated that the activation of transforming growth factor β1 (TGF-β1) stimulated by alcohol in rat liver tissue was significantly blocked by HSYA. Collectively, these data demonstrated that HSYA can effectively protect the liver of rats from long-term alcohol injury, which relates with the enhanced antioxidant capacity of liver tissues and inhibition of TGF-β1 expression.
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Hong B, Wang Z, Xu T, Li C, Li W. Matrix solid-phase dispersion extraction followed by high performance liquid chromatography-diode array detection and ultra performance liquid chromatography-quadrupole-time of flight-mass spectrometer method for the determination of the main compounds from Carthamus tinctorius L. (Hong-hua). J Pharm Biomed Anal 2015; 107:464-72. [PMID: 25676855 DOI: 10.1016/j.jpba.2015.01.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 01/17/2015] [Accepted: 01/19/2015] [Indexed: 10/24/2022]
Abstract
A simple and low-cost method based on matrix solid-phase dispersion (MSPD) extraction, HPLC separation, diode array detection and UPLC-Q-TOF-MS have been developed for the determination of Hydroxysafflor yellow A (HSYA), Kaempferol and other main compounds in Carthamus tinctorius. The experimental parameters that may affect the MSPD method, including dispersing sorbent, ratio of dispersing sorbent to sample, elution solvent, and volume of the elution solvent were examined and optimized. The optimized conditions were determined to be that silica gel was used as dispersing sorbent, the ratio of silica gel to sample mass was selected to be 3:1, and 10 mL of methanol: water (1:3, v:v) was used as elution solvent. The highest extraction yields of the two compounds were obtained under the optimized conditions. The method showed good linearity (r(2)≥0.999 2) and precision (RSD≤3.4%) for HSYA and Kaempferol, with the limits of detection of 35.2 and 14.5 ng mL(-1), respectively. The recoveries were in the range of 92.62-101.7% with RSD values ranging from 1.5 to 3.5%. At the meanwhile, there were 21 compounds in the extraction by MSPD method were identified by TOF-MS method to improve the quality control for safflower. Comparing to ultrasonic and soxhlet methods, the proposed MSPD procedure was more convenient and less time-consuming with reduced requirements on sample and solvent amounts. The proposed procedure was applied to analyze four real samples that were collected from different localities.
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Affiliation(s)
- Bo Hong
- Department of Pharmacy, Qiqihar Medical University, Heilongjiang 161006, China
| | - Zhe Wang
- Analysis and Test Center, Qiqihar University, Heilongjiang 161006, China
| | - Tianjiao Xu
- Department of Pharmacy, Qiqihar Medical University, Heilongjiang 161006, China
| | - Chengchong Li
- Department of Pharmacy, Qiqihar Medical University, Heilongjiang 161006, China
| | - Wenjing Li
- Department of Pharmacy, Qiqihar Medical University, Heilongjiang 161006, China.
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Jia H, Aw W, Saito K, Hanate M, Hasebe Y, Kato H. Eggshell membrane ameliorates hepatic fibrogenesis in human C3A cells and rats through changes in PPARγ-Endothelin 1 signaling. Sci Rep 2014; 4:7473. [PMID: 25503635 PMCID: PMC5378949 DOI: 10.1038/srep07473] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 11/20/2014] [Indexed: 12/22/2022] Open
Abstract
Our previous nutrigenomic findings indicate that eggshell membrane (ESM) may prevent liver fibrosis. Here we investigated the effects and mechanisms underlying ESM intervention against liver injury by using DNA microarray analysis and comparative proteomics. In vitro hydrolyzed ESM attenuated the TGFβ1-induced procollagen production of human hepatocyte C3A cells and inhibited the expression of Endothelin 1 (EDN1) and its two receptors, and extracellular matrix components. In vivo male Wistar rats were allocated into a normal control group, a CCl4 group (hypodermic injection of 50% CCl4 2×/wk) and an ESM group (20 g ESM/kg diet with CCl4 injection) for 7 wks. Dietary ESM ameliorated the elevated activity of ALT/AST, oxidative stress and collagen accumulation in liver, accompanied by the down-regulated expression of Edn1 signaling and notable profibrogenic genes and growth factors as well as peroxisome proliferator-activated receptor gamma (PPARγ). Concomitantly, the decreased expressions of Galectin-1 and Desmin protein in the ESM group indicated the deactivation of hepatic stellate cells (HSCs). Through a multifaceted integrated omics approach, we have demonstrated that ESM can exert an antifibrotic effect by suppressing oxidative stress and promoting collagen degradation by inhibiting HSCs' transformation, potentially via a novel modulation of the PPARγ-Endothelin 1 interaction signaling pathway.
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Affiliation(s)
- Huijuan Jia
- Corporate Sponsored Research Program "Food for Life, " Organization for Interdisciplinary Research Projects, The University of Tokyo, Tokyo, Japan
| | - Wanping Aw
- Institute of Advanced Biosciences, Keio University, Yamagata, Japan
| | - Kenji Saito
- Corporate Sponsored Research Program "Food for Life, " Organization for Interdisciplinary Research Projects, The University of Tokyo, Tokyo, Japan
| | - Manaka Hanate
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | | | - Hisanori Kato
- 1] Corporate Sponsored Research Program "Food for Life, " Organization for Interdisciplinary Research Projects, The University of Tokyo, Tokyo, Japan [2] Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Zhao S, Lu X, Xiao C, Ning Z, Zeng H, Ding X, Zhang Y, Lu C, Liu Y. Diversified bioactivities of four types of naturally occurring quinochalcones. Fitoterapia 2014; 99:7-20. [DOI: 10.1016/j.fitote.2014.08.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/08/2014] [Accepted: 08/20/2014] [Indexed: 10/24/2022]
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Liu Q, Wang CY, Liu Z, Ma XS, He YH, Chen SS, Bai XY. Hydroxysafflor yellow A suppresses liver fibrosis induced by carbon tetrachloride with high-fat diet by regulating PPAR-γ/p38 MAPK signaling. PHARMACEUTICAL BIOLOGY 2014; 52:1085-1093. [PMID: 24618007 DOI: 10.3109/13880209.2013.877491] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
CONTEXT One approach to protect against liver fibrosis is the use of herb-derived natural compounds, such as hydroxysafflor yellow A (HSYA). The antifibrosis effect of HYSA against liver fibrosis has been investigated; however, its mechanisms have not yet been entirely revealed. OBJECTIVES To study the protective effects of HSYA on liver fibrosis induced by carbon tetrachloride (CCl4) and a high-fat diet (HFD), and to determine the mechanism of action of HSYA. MATERIALS AND METHODS CCl4 and HFD were used to mimic liver fibrosis in rats, and serum biochemical indicators were determined. The antifibrosis effects of HSYA were evaluated and its mechanisms were investigated by histopathological analysis, immunohistochemical staining, enzyme-linked immunosorbent assays, real-time-PCR, and western blotting. RESULTS HSYA reduced CCl4- and HFD-mediated liver fibrosis and ameliorated serum biochemical indicator, downregulated the expression of tissue inhibitor of metalloproteinase-1 (TIMP-1) (0.31 ± 0.03 protein, 0.59 ± 0.02 mRNA) and transformin growth factor-β1 (TGF-β1) (0.81 ± 0.02 protein, 0.58 ± 0.04 mRNA), and upregulated the expression of peroxisome proliferator-activated receptor-γ (PPAR-γ) (1.57 ± 0.13 protein, 2.48 ± 0.19 mRNA) and matrix metallopeptidases-2 (MMP-2) (2.31 ± 0.16 protein, 2.79 ± 0.22 mRNA) (p < 0.01, versus model group). These effects were significantly attenuated by PPAR-γ antagonist GW9662 via blocking the phosphorylation of p38 MAPK. DISCUSSION AND CONCLUSION These data demonstrate a novel role for HSYA in inhibiting CCl4- and HFD-mediated liver fibrosis, and reveal that PPAR-γ and p38 MAPK signaling play pivotal roles in the prevention of liver fibrosis induced by CCl4 and HFD.
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Affiliation(s)
- Q Liu
- School of Pharmaceutical Sciences, Binzhou Medical University , Yantai, Shandong , PR China
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Wang Y, Xue C, Dong F, Peng Y, Zhang Y, Jin M, Zang B, Tan L. Hydroxysafflor yellow a attenuates small airway remodeling in a rat model of chronic obstructive pulmonary disease. Biol Pharm Bull 2014; 37:1591-8. [PMID: 25056232 DOI: 10.1248/bpb.b14-00198] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Our previous studies found that hydroxysafflor yellow A (HSYA), an active ingredient in Carthamus tinctorius L., has anti-inflammatory and anti-fibrosis properties. In this study, we investigated the effect of HSYA on small airway remodeling (SAR) in a chronic obstructive pulmonary disease (COPD) rat model induced by cigarette smoke and lipopolysaccharide (LPS). SAR is a common lesion in COPD characterized by thickening of the airway wall, mainly by subepithelial fibrosis. In this study the thickness of the small airway was determined by total wall area/basement membrane perimeter (WAt/Pbm). Collagen deposition of the small airway was assessed by Masson's trichrome staining. HSYA significantly attenuated the thickening and collagen deposition of the small airway and inhibited transforming growth factor β1 (TGF-β1) mRNA and protein expression in COPD rat. In addition, HSYA inhibited the phosphorylation of p38 mitogen-activated protein kinases (MAPK) in the lung tissue of rat. HSYA can attenuate experimentally induced airway remodeling and this attenuation may be attributed to suppression of TGF-β1 expression.
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Affiliation(s)
- Yu Wang
- Department of Pharmacology, Beijing Institute of Heart Lung and Blood Vessel Diseases-Beijing An Zhen Hospital, Capital Medical University
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Li Y, Piao D, Zhang H, Kim T, Lee SH, Chang HW, Woo MH, Son JK. Quality evaluation of Carthami Flos by HPLC–UV. Arch Pharm Res 2014; 38:776-84. [DOI: 10.1007/s12272-014-0402-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 04/18/2014] [Indexed: 10/25/2022]
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Abstract
Hepatic macrophages are central in the pathogenesis of chronic liver injury and have been proposed as potential targets in combatting fibrosis. Recent experimental studies in animal models revealed that hepatic macrophages are a remarkably heterogeneous population of immune cells that fulfill diverse functions in homeostasis, disease progression, and regression from injury. These range from clearance of pathogens or cellular debris and maintenance of immunological tolerance in steady state conditions; central roles in initiating and perpetuating inflammation in response to injury; promoting liver fibrosis via activating hepatic stellate cells in chronic liver damage; and, finally, resolution of inflammation and fibrosis by degradation of extracellular matrix and release of anti-inflammatory cytokines. Cellular heterogeneity in the liver is partly explained by the origin of macrophages. Hepatic macrophages can either arise from circulating monocytes, which are recruited to the injured liver via chemokine signals, or from self-renewing embryo-derived local macrophages, termed Kupffer cells. Kupffer cells appear essential for sensing tissue injury and initiating inflammatory responses, while infiltrating Ly-6C(+) monocyte-derived macrophages are linked to chronic inflammation and fibrogenesis. In addition, proliferation of local or recruited macrophages may possibly further contribute to their accumulation in injured liver. During fibrosis regression, monocyte-derived cells differentiate into Ly-6C (Ly6C, Gr1) low expressing 'restorative' macrophages and promote resolution from injury. Understanding the mechanisms that regulate hepatic macrophage heterogeneity, either by monocyte subset recruitment, by promoting restorative macrophage polarization or by impacting distinctive macrophage effector functions, may help to develop novel macrophage subset-targeted therapies for liver injury and fibrosis.
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Xia X, Ma Y, Xing X, Huang C, Li L, Gui G, Liu Q, Xue S. Antioxidant and hepatoprotective effect of different extracts of guizhencao (herba bidentis bipinnatae) against liver injury in hyperlipidemia rats. J TRADIT CHIN MED 2014; 33:518-23. [PMID: 24187875 DOI: 10.1016/s0254-6272(13)60158-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To investigate the antioxidant and hepatoprotective properties of the different extracts Guizhencao (Herba Bidentis Bipinnatae) against liver injury in hyperlipidemia rats. METHODS The rats were divided into 7 groups, with 10 rats in each. Rats were treated with high-fat diet for 18 weeks besides the normal control group, then rats in both normal control and model groups were received 5 mL/kg(-1) x day(-1) of saline and those in the positive control group with 2 mg/kg(-1) x day(-1) of lovastatin. Rats in the positive control group and different Guizhencao (Herba Bidentis Bipinnatae) extracts treatment groups (ethyl acetate extract group, n-hexane extract group, ethanol extract group, and aqueous extract group) were treated with corresponding extract at a concentration of 5 mL/kg(-1) x day(-1). After 8 weeks treatment, all rats were sacrificed and total blood samples were collected. Histological analysis of liver was underdone by hematoxylin and eosin. The levels of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), glouse (GLU), cholesterol (TC), triglycerides (TG), low-density lipoprotein-cholesterol (LDL-C) and high-density lipoprotein-cholesterol were measured according to standard procedure using auto-analyzer. The superoxide dismutase (SOD) and malondialdehyde (MDA) levels in liver were ananlyzed by procedure instruction. RESULTS The histopathological analysis implied that the administration of Guizhencao (Herba Bidentis Bipinnatae) extracts resulted in hepatoprotective role compared with that of the model group. In addition, the high-fat diet caused a remarkable increase of ALT, AST, GLU, TC, TG, LDL-C and MDA levels. A decline in HDL-C and SOD concentrations and a reversal of effects were observed in different Guizhencao (Herba Bidentis Bipinnatae) extracts groups, especially in the aqueous extract and ethanol extract groups. CONCLUSION The different extracts of Guizhencao (Herba Bidentis Bipinnatae) can play a protecting role against liver injury in hyperlipidemia rats maybe through decreasing ALT, AST, GLU, TC, TG, LDL-C and MDA levels and enhancing the liver anti-oxidative ability.
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Affiliation(s)
- Xichao Xia
- Basic Medicine College, Nanyang Medical University, Nanyang 473061, China.
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Zhou X, Tang L, Xu Y, Zhou G, Wang Z. Towards a better understanding of medicinal uses of Carthamus tinctorius L. in traditional Chinese medicine: a phytochemical and pharmacological review. JOURNAL OF ETHNOPHARMACOLOGY 2014; 151:27-43. [PMID: 24212075 DOI: 10.1016/j.jep.2013.10.050] [Citation(s) in RCA: 133] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Revised: 10/23/2013] [Accepted: 10/23/2013] [Indexed: 05/22/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Carthamus tinctorius L. (Compositae), a widely used traditional Chinese medicine, was known as Hong hua (Chinese: ), safflower. Safflower with a wide spectrum of pharmacological effects has been used to treat dysmenorrhea, amenorrhea, postpartum abdominal pain and mass, trauma and pain of joints, etc. The present paper reviews the advancements in investigation of botany and ethnopharmacology, phytochemistry, pharmacology and toxicology of safflower. Finally, the possible tendency and perspective for future investigation of this plant are discussed, too. MATERIALS AND METHODS The information on safflower was collected via piles of resources including classic books about Chinese herbal medicine, and scientific databases including Pubmed, Google Scholar, ACS, Web of science, CNKI and others. RESULTS Over 104 compounds from this plant have been isolated and identified, and quinochalcones and flavonoids are considered as the characteristic and active constituents of safflower. Safflower with its active compounds possesses wide-reaching biological activities, including dilating coronary artery, improving myocardial ischemia, modulating immune system, anticoagulation and antithrombosis, antioxidation, antiaging, antihypoxia, antifatigue, antiinflammation, anti-hepatic fibrosis, antitumor, analgesia, etc. CONCLUSIONS As an important traditional Chinese medicine, it is important to investigate the pharmacological effects and molecular mechanisms of this plant based on modern realization of diseases' pathophysiology. More bioactive components should be identified using bioactivity-guided isolation strategies, and the possible mechanism of action as well as potential synergistic or antagonistic effects of multi-component mixtures derived from safflower need to be evaluated integrating pharmacological, pharmacokinetic, bioavailability-centered and physiological approaches. Further studies on safflower can lead to the development of new drugs and therapeutics for various diseases, and how to utilize it better should be paid more attention to.
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Affiliation(s)
- Xidan Zhou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing 100700, China
| | - Liying Tang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing 100700, China
| | - Yilong Xu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing 100700, China
| | - Guohong Zhou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing 100700, China
| | - Zhuju Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing 100700, China.
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Chemical and biological properties of quinochalcone C-glycosides from the florets of Carthamus tinctorius. Molecules 2013; 18:15220-54. [PMID: 24335575 PMCID: PMC6270621 DOI: 10.3390/molecules181215220] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 12/01/2013] [Accepted: 12/02/2013] [Indexed: 11/24/2022] Open
Abstract
Quinochalcone C-glycosides are regarded as characteristic components that have only been isolated from the florets of Carthamus tinctorius. Recently, quinochalcone C-glycosides were found to have multiple pharmacological activities, which has attracted the attention of many researchers to explore these compounds. This review aims to summarize quinochalcone C-glycosides’ physicochemical properties, chromatographic behavior, spectroscopic characteristics, as well as their biological activities, which will be helpful for further study and development of quinochalcone C-glycosides.
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Dong H, Liu Y, Zou Y, Li C, Li L, Li X, Zhao X, Zhou L, Liu J, Niu Y. Alteration of the ERK5 pathway by hydroxysafflor yellow A blocks expression of MEF2C in activated hepatic stellate cells in vitro: Potential treatment for hepatic fibrogenesis. PHARMACEUTICAL BIOLOGY 2013; 52:435-443. [PMID: 24192313 DOI: 10.3109/13880209.2013.840850] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Abstract Context: Hepatic fibrosis ultimately leads to cirrhosis if not treated effectively. Hepatic stellate cells (HSC) are a main mediator of hepatic fibrosis through the accumulation of extracellular matrix proteins. Suppression activation of passaged HSC has been proposed as therapeutic strategies for the treatment and prevention of hepatic fibrosis. Objective: To evaluate the effect of hydroxysafflor yellow A (HSYA), an active chemical compound derived from the flowers of Carthamus tinctorius L. (Compositae), on HSC inhibition, and to begin elucidating underlying mechanisms. Materials and methods: Primary HSCs were isolated from rats by in situ pronase/collagenase perfusion. Culture-activated HSCs were treated with or without HSYA at 30 μM in the presence or absence of PD98059 for 48 h, and then cell proliferation was measured by MTS assays. Messenger RNA (mRNA) expression was quantified by polymerase chain reaction, and protein was quantified by Western blots or enzyme-linked immunosorbent assays. Results: HSYA significantly inhibits culture-activated HSC proliferation in a dose-dependent and time-dependent manner with an IC50 value of 112.79 μM. HSYA (30 μM) induce the suppression of HSC activation, as indicated by decreases in contents of type I alpha collagen in HSC-cultured media and expression of α-smooth muscle actin protein in culture-activated HSC by 55 and 71%, respectively. HSYA (30 μM) also caused significant decreases in mRNA expression of type III alpha collagen in HSC by 28%. HSYA (30 μM) suppresses myocyte enhancer factor 2 C (MEF2C) expression both at its mRNA and protein levels by 60 and 61%, respectively. Further study demonstrated that HSYA (30 μM) caused significant decreases in p-ERK5 by 49%. Blocking extracellular signal-regulated protein kinase 5 (ERK5) activity by XMD 8--92, an ERK5 inhibitor, markedly abrogated the inhibitive effects of HSYA on HSC activation, and blocked the HSYA-mediated MEF2C down-regulation. Conclusions: HSYA suppress HSC activation by ERK5-mediated MEF2C down-regulation and makes it a potential candidate for prevention and treatment of hepatic fibrogenesis.
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Affiliation(s)
- Haiying Dong
- The Institute of Medicine, Qiqihar Medical University , Qiqihar , China and
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Wang X, Gong G, Yang W, Li Y, Jiang M, Li L. Antifibrotic activity of galangin, a novel function evaluated in animal liver fibrosis model. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:288-295. [PMID: 23686009 DOI: 10.1016/j.etap.2013.04.004] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 04/11/2013] [Accepted: 04/12/2013] [Indexed: 05/08/2023]
Abstract
This study aimed to investigate the effects of galangin on liver fibrosis in rats induced by subcutaneous injection of carbon tetrachloride (CCl4). The administration of CCl4 to rats for 12 weeks caused significant increase of hyaluronic acid, laminin, alanine transaminase, aspartate transaminase and decrease of total protein, albumin in serum, while the influences could be reversed by galangin. Galangin markedly reduced hepatic malondialdehyde, hydroxyproline concentration, increased activities of liver superoxide dismutase, glutathione peroxidase compared with CCl4-treated rats. Histological results indicated that galangin alleviated liver damage. In addition, treatment with galangin significantly down-regulated expressions of α-smooth muscle actin and transforming growth factor β1. These results suggest galangin can inhibit liver fibrosis induced by CCl4 in rats, which was probably associated with its effect on removing oxygen free radicals, decreasing lipid peroxidation, as well as inhibiting hepatic stellate cells activation and proliferation.
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Affiliation(s)
- Xinhui Wang
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Guoqing Gong
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China.
| | - Wenhui Yang
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Yunzhan Li
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Meiling Jiang
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Linlin Li
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
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Wang CY, Liu Q, Huang QX, Liu JT, He YH, Lu JJ, Bai XY. Activation of PPARγ is required for hydroxysafflor yellow A of Carthamus tinctorius to attenuate hepatic fibrosis induced by oxidative stress. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2013; 20:592-599. [PMID: 23523101 DOI: 10.1016/j.phymed.2013.02.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 12/18/2012] [Accepted: 02/13/2013] [Indexed: 06/02/2023]
Abstract
Oxidative stress caused hepatic fibrosis by activating hepatic stellate cells (HSCs), which were implemented by depressing PPARγ activation. Hydroxysafflor yellow A (HSYA) as a nature active ingredient with antioxidant capacity was able to effectively attenuate oxidative stress mediated injury. So it will be very interesting to study effect of HSYA on HSCs activation and liver fibrosis, and reveal the role of PPARγ·CCl4 and H2O2 were used to mimic oxidative stress mediated hepatic injury in vitro and in vivo respectively. The anti-fibrosis effects of HSYA were evaluated and its mechanisms were disclosed by applying western blot, histopathological analysis, flow cytometry, RT-PCR and ELISA. Our results showed that HSCs activation and proliferation could be induced by oxidative stress, and the expressive levels of TGF-β1 and TIMP-1, the serum levels of ALT, AST, HA, LN, III-C and IV-C were also enhanced by oxidative stress, which is correlated with liver fibrosis (p<0.05 or p<0.01). HSYA was able to effectively inhibit oxidative stress mediated hepatic injury by increasing the activities of antioxidant enzymes, up regulating the expression of PPARγ and MMP-2, and down regulating the expression of TGF-β1 and TIMP-1, and reducing α-SMA level. The protective effect of HSYA can be significantly attenuated by GW9662 via blocking PPARγ (p<0.05 or p<0.01). Taken together, these results demonstrate that HSYA is able to significantly protect the liver from oxidative stress, which requires for HSYA to stimulate PPARγ activity, reduce cell proliferation and suppress ECM synthesis.
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Affiliation(s)
- C Y Wang
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, Shandong 264003, PR China
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Feng ZM, He J, Jiang JS, Chen Z, Yang YN, Zhang PC. NMR solution structure study of the representative component hydroxysafflor yellow A and other quinochalcone C-glycosides from Carthamus tinctorius. JOURNAL OF NATURAL PRODUCTS 2013; 76:270-274. [PMID: 23387865 DOI: 10.1021/np300814k] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Hydroxysafflor yellow A (HSYA), a representative component of Carthamus tinctorius, has attracted much attention because of its remarkable cardiovascular activities. Its structure was originally reported in 1993 and has been widely cited to date. In our experiments, its solution structure was studied using NMR techniques in different solvents, including DMSO-d(6), pyridine-d(5), and CD(3)OH. The results indicate that the structure of HSYA is different than the previously described 1b, with 3-enol-1,7-diketo form. The structure has two keto-enol tautomers (2a and 2b), and 2a, with the 1-enol-3,7-diketo form, is the preferred tautomer. On the basis of this finding, other published quinochalcone C-glycoside structures were revised. Furthermore, a trend in the (13)C NMR data of the (E)-olefinic carbons of quinochalcone C-glycosides is summarized, and a hypothesis is proposed for the relationship between the features of the molecular structure and the preferred keto-enol tautomer.
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Affiliation(s)
- Zi-Ming Feng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, People's Republic of China
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Jiang P, Shi R, Wang Q, Ma YM, Cui HY, Liu P, Liu CH. Simultaneous determination of eleven major components in Fugan Fang using high-performance liquid chromatography coupled with mass spectrometry. Biomed Chromatogr 2013; 27:874-81. [DOI: 10.1002/bmc.2874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 01/06/2013] [Accepted: 01/07/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Peng Jiang
- Department of Pharmacology; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Rong Shi
- Department of Pharmacology; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Qian Wang
- Department of Pharmacology; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Yue-Ming Ma
- Department of Pharmacology; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Hong-Yan Cui
- Department of Pharmacology; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Ping Liu
- Key Laboratory of Liver and Kidney Diseases (Ministry of Education), Institute of Liver Diseases, Shuguang Hospital; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Cheng-Hai Liu
- Key Laboratory of Liver and Kidney Diseases (Ministry of Education), Institute of Liver Diseases, Shuguang Hospital; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
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Ni Z, Zhuge Z, Li W, Xu H, Zhang Z, Dai H. Inhibitory effects of hydroxysafflor yellow A on the formation of advanced glycation end products in vitro. Biol Pharm Bull 2012; 35:2050-3. [PMID: 22971594 DOI: 10.1248/bpb.b12-00249] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To investigate the inhibitory effects of hydroxysafflor yellow A (HSYA) on the protein glycation in vitro. Using bovine serum albumin (BSA)-glucose assay, BSA-methylglyoxal (MGO) assay, and N-acetylglycyl-lysine methyl ester (G.K.) peptide-ribose assay, inhibitory effects of HSYA were investigated. Advanced glycation end products (AGEs) production was assessed by AGEs-specific fluorescence and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). In BSA-glucose assay, HSYA concentration dependently decreased AGEs formation, with maximum inhibitory effects at 1 mM by 95%. Further more, HSYA also showed significant inhibitory effects on MGO-medicated protein modification and subsequent cross-linking of proteins. Finally, when co-incubated with G.K. peptide and ribose, HSYA exhibited its antiglycation effects, and the maximum inhibitory effects of HSYA at 1 mM were 84%. Overall, our present study provides the first evidence of the antiglycation effects of HSYA on AGEs formation in vitro.
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Affiliation(s)
- Zhenzhen Ni
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
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Hydroxysafflor yellow A induces apoptosis in activated hepatic stellate cells through ERK1/2 pathway in vitro. Eur J Pharm Sci 2012; 46:397-404. [DOI: 10.1016/j.ejps.2012.03.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 02/09/2012] [Accepted: 03/09/2012] [Indexed: 01/22/2023]
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Lulin H, Xiao Y, Pei S, Wen T, Shangqin H. The first Illumina-based de novo transcriptome sequencing and analysis of safflower flowers. PLoS One 2012; 7:e38653. [PMID: 22723874 PMCID: PMC3378585 DOI: 10.1371/journal.pone.0038653] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Accepted: 05/14/2012] [Indexed: 12/24/2022] Open
Abstract
Background The safflower, Carthamus tinctorius L., is a worldwide oil crop, and its flowers, which have a high flavonoid content, are an important medicinal resource against cardiovascular disease in traditional medicine. Because the safflower has a large and complex genome, the development of its genomic resources has been delayed. Second-generation Illumina sequencing is now an efficient route for generating an enormous volume of sequences that can represent a large number of genes and their expression levels. Methodology/Principal Findings To investigate the genes and pathways that might control flavonoids and other secondary metabolites in the safflower, we used Illumina sequencing to perform a de novo assembly of the safflower tubular flower tissue transcriptome. We obtained a total of 4.69 Gb in clean nucleotides comprising 52,119,104 clean sequencing reads, 195,320 contigs, and 120,778 unigenes. Based on similarity searches with known proteins, we annotated 70,342 of the unigenes (about 58% of the identified unigenes) with cut-off E-values of 10−5. In total, 21,943 of the safflower unigenes were found to have COG classifications, and BLAST2GO assigned 26,332 of the unigenes to 1,754 GO term annotations. In addition, we assigned 30,203 of the unigenes to 121 KEGG pathways. When we focused on genes identified as contributing to flavonoid biosynthesis and the biosynthesis of unsaturated fatty acids, which are important pathways that control flower and seed quality, respectively, we found that these genes were fairly well conserved in the safflower genome compared to those of other plants. Conclusions/Significance Our study provides abundant genomic data for Carthamus tinctorius L. and offers comprehensive sequence resources for studying the safflower. We believe that these transcriptome datasets will serve as an important public information platform to accelerate studies of the safflower genome, and may help us define the mechanisms of flower tissue-specific and secondary metabolism in this non-model plant.
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Affiliation(s)
- Huang Lulin
- Department of Traditional Chinese Medicine Study, Industrial Crop Institute, Sichuan Academy of Agricultural Sciences, Jianyang, Sichuan, China
| | - Yang Xiao
- Department of Traditional Chinese Medicine Study, Industrial Crop Institute, Sichuan Academy of Agricultural Sciences, Jianyang, Sichuan, China
| | - Sun Pei
- Department of Traditional Chinese Medicine Study, Industrial Crop Institute, Sichuan Academy of Agricultural Sciences, Jianyang, Sichuan, China
| | - Tong Wen
- Department of Traditional Chinese Medicine Study, Industrial Crop Institute, Sichuan Academy of Agricultural Sciences, Jianyang, Sichuan, China
| | - Hu Shangqin
- Department of Traditional Chinese Medicine Study, Industrial Crop Institute, Sichuan Academy of Agricultural Sciences, Jianyang, Sichuan, China
- * E-mail:
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Sestraş RE, Jäntschi L, Bolboacă SD. Poisson parameters of antimicrobial activity: a quantitative structure-activity approach. Int J Mol Sci 2012; 13:5207-5229. [PMID: 22606039 PMCID: PMC3344275 DOI: 10.3390/ijms13045207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 04/17/2012] [Accepted: 04/19/2012] [Indexed: 11/16/2022] Open
Abstract
A contingency of observed antimicrobial activities measured for several compounds vs. a series of bacteria was analyzed. A factor analysis revealed the existence of a certain probability distribution function of the antimicrobial activity. A quantitative structure-activity relationship analysis for the overall antimicrobial ability was conducted using the population statistics associated with identified probability distribution function. The antimicrobial activity proved to follow the Poisson distribution if just one factor varies (such as chemical compound or bacteria). The Poisson parameter estimating antimicrobial effect, giving both mean and variance of the antimicrobial activity, was used to develop structure-activity models describing the effect of compounds on bacteria and fungi species. Two approaches were employed to obtain the models, and for every approach, a model was selected, further investigated and found to be statistically significant. The best predictive model for antimicrobial effect on bacteria and fungi species was identified using graphical representation of observed vs. calculated values as well as several predictive power parameters.
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Affiliation(s)
- Radu E. Sestraş
- University of Agricultural Science and Veterinary Medicine Cluj-Napoca, 3-5 Mănăştur, Cluj-Napoca 400372, Romania; E-Mail:
| | - Lorentz Jäntschi
- University of Agricultural Science and Veterinary Medicine Cluj-Napoca, 3-5 Mănăştur, Cluj-Napoca 400372, Romania; E-Mail:
- Technical University of Cluj-Napoca, 28 Memorandumului, Cluj-Napoca 400114, Romania
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +4-0264-401775; Fax: +4-0264-401768
| | - Sorana D. Bolboacă
- Department of Medical Informatics and Biostatistics, “Iuliu Haţieganu” University of Medicine and Pharmacy Cluj-Napoca, 6 Louis Pasteur, Cluj-Napoca 400349, Cluj, Romania; E-Mail:
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