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Harmatha J, Zídek Z, Kmoníčková E. Inhibitory Effect of Selected Guaianolide and Germacranolide Sesquiterpene Lactones on Nitric Oxide Production. Molecules 2024; 29:3289. [PMID: 39064869 PMCID: PMC11279401 DOI: 10.3390/molecules29143289] [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: 05/23/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Trilobolide and its analogues belong to the guaianolide type of sesquiterpene lactones, which are characteristic and widely distributed within the families Asteraceae and Apiaceae. Certain guaianolides are receiving continuously increasing attention for their promising sarco-endoplasmic reticulum Ca2+-ATPase (SERCA)-inhibitory activity. However, because of their alkylation capabilities, they are generally toxic. Therefore, the search for compounds with significant immunobiological properties but with decreased cytotoxicities suitable for use in immune-based pharmacotherapy is ongoing. Therefore, we extended our previous investigation of the immunobiological effects of trilobolide to a series of structurally related guaianolides and germacranolides. To evaluate the relationship, we tested a series of selected derivatives containing α-methyl lactone or exomethylene lactone ring. For a wider comparison, we also included some of their glycosidic derivatives. We assessed the in vitro immunobiological effects of the tested compounds on nitric oxide (NO) production, cytokine secretion, and prostaglandin E2 (PGE2) release by mouse peritoneal cells, activated primarily by lipopolysaccharide (LPS), and evaluated their viability. The inhibitory effects of the apparently most active substance, 8-deoxylactucin, seem to be the most promising.
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Affiliation(s)
- Juraj Harmatha
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, 166 10 Prague, Czech Republic
| | - Zdeněk Zídek
- Institute of Experimental Medicine, Czech Academy of Sciences, 142 20 Prague, Czech Republic (E.K.)
| | - Eva Kmoníčková
- Institute of Experimental Medicine, Czech Academy of Sciences, 142 20 Prague, Czech Republic (E.K.)
- Department of Pharmacology, Second Faculty of Medicine, Charles University, 150 00 Prague, Czech Republic
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Colombo R, Moretto G, Pellicorio V, Papetti A. Globe Artichoke ( Cynara scolymus L.) By-Products in Food Applications: Functional and Biological Properties. Foods 2024; 13:1427. [PMID: 38790727 PMCID: PMC11119529 DOI: 10.3390/foods13101427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 04/27/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
Globe artichoke (Cynara cardunculus var. scolymus L.) is widely cultivated in the Mediterranean area and Italy is one of the largest producers. A great issue is represented by its high amount of by-product, mainly consisting of external bracts and stems, but also of residual leaves, stalks, roots, and seeds. Artichoke by-products are rich in nutrients (carbohydrates and proteins) and bioactive compounds (polyphenols and terpenes) and represent potential ingredients for foodstuffs, functional foods, and food supplements, due to their functional and biological properties. In fact, artichoke by-products' components exhibit many beneficial effects, such as dyspeptic, prebiotic, antioxidant, anti-inflammatory, antiglycative, antimicrobial, anticarcinogenic, and hypolipidemic properties. Therefore, they can be considered potential food ingredients useful in reducing the risk of developing metabolic and age-related disorders. This work summarizes the economic and environmental impact of the recovery and valorization of artichoke by-products, focusing on rheological, physical, and biological properties of the different components present in each by-product and their different food applications.
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Affiliation(s)
- Raffaella Colombo
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (R.C.); (G.M.); (V.P.)
| | - Giulia Moretto
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (R.C.); (G.M.); (V.P.)
| | - Vanessa Pellicorio
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (R.C.); (G.M.); (V.P.)
| | - Adele Papetti
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (R.C.); (G.M.); (V.P.)
- C.S.G.I., University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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Perveen S, Hamedi A, Pasdaran A, Heidari R, Azam MSU, Tabassum S, Mehmood R, Peng J. Anti-inflammatory potential of some eudesmanolide and guaianolide sesquiterpenes. Inflammopharmacology 2024; 32:1489-1498. [PMID: 37962696 DOI: 10.1007/s10787-023-01375-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 10/19/2023] [Indexed: 11/15/2023]
Abstract
Ten sesquiterpene lactones isolated from Anvillea garcinii (Burm.f.) DC ethanolic extract were assessed for their anti-inflammatory potential by myeloperoxidase (MPO) activity assignment, and mice paw swelling model. 3α,4α-10β-trihydroxy-8α-acetyloxyguaian-12,6α-olide (1), epi-vulgarin (3), 9a-hydroxyparthenolide (4), garcinamine C (7), garcinamine D (8), garcinamine E (9), and 4, 9-dihydroxyguaian-10(14)-en-12-olide (10) showed explicit anti-inflammatory activity in rodent paw edema and MPO assignment. The findings of this study showed that the α-methylene γ-lactone moiety does not always guarantee an anti-inflammatory effect, but the presence of proline at the C3 of the lactone ring improves the binding of sesquiterpene lactones with MPO isoenzymes, resulting in a more potent inhibition.
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Affiliation(s)
- Shagufta Perveen
- Department of Chemistry, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, MD, 21251, USA.
| | - Azadeh Hamedi
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ardalan Pasdaran
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Muhammad Shafiq Ul Azam
- Department of Radiology, Yeovil district hospital Somerset foundation trust (NHS), BA21 4AT,, Yeovil, Somerset, UK
| | - Sobia Tabassum
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University, Islamabad, Lahore Campus, Pakistan
| | - Rashad Mehmood
- Department of Chemistry, Division of Science and Technology, University of Education, Township, Lahore, Pakistan
| | - Jiangnan Peng
- Department of Chemistry, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, MD, 21251, USA
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Araki K, Hara M, Hamada S, Matsumoto T, Nakamura S. Antiproliferative Activities of Cynaropicrin and Related Compounds against Cancer Stem Cells. Chem Pharm Bull (Tokyo) 2024; 72:200-208. [PMID: 38382968 DOI: 10.1248/cpb.c23-00811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Glioblastoma (GBM) has a high mortality rate despite the availability of various cancer treatment options. Although cancer stem cells (CSCs) have been associated with poor prognosis and metastasis, and play an important role in the resistance to existing anticancer drugs and radiation; no CSC-targeting drugs are currently approved in clinical practice. Therefore, the development of antiproliferative agents against CSCs is urgently required. In this study, we evaluated the antiproliferative activities of 21 sesquiterpenoids against human GBM U-251 MG CSCs and U-251 MG non-CSCs. Particularly, the guaianolide sesquiterpene lactone cynaropicrin (1) showed strong antiproliferative activity against U-251 MG CSCs (IC50 = 20.4 µM) and U-251 MG non-CSCs (IC50 = 10.9 µM). Accordingly, we synthesized six derivatives of 1 and investigated their structure-activity relationships. Most of the guaianolide sesquiterpene lactones with the α-methylene-γ-butyrolactone moiety showed antiproliferative activities against U-251 MG cells. We conclude that the 5,7,5-ring and the α-methylene-γ-butyrolactone moiety are both important for antiproliferative activities against U-251 MG cells. The results of this study suggest that the α,β-unsaturated carbonyl moiety, which has recently become a research hotspot in drug discovery, is the active center of 1. Therefore, we consider 1 as a potential lead for developing novel drugs targeting CSCs.
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Boulos JC, Omer EA, Rigano D, Formisano C, Chatterjee M, Leich E, Klauck SM, Shan LT, Efferth T. Cynaropicrin disrupts tubulin and c-Myc-related signaling and induces parthanatos-type cell death in multiple myeloma. Acta Pharmacol Sin 2023; 44:2265-2281. [PMID: 37344563 PMCID: PMC10618500 DOI: 10.1038/s41401-023-01117-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/28/2023] [Indexed: 06/23/2023] Open
Abstract
The majority of blood malignancies is incurable and has unforeseeable remitting-relapsing paths in response to different treatments. Cynaropicrin, a natural sesquiterpene lactone from the edible parts of the artichoke plant, has gained increased attention as a chemotherapeutic agent. In this study, we investigated the effects of cynaropicrin against multiple myeloma (MM) cells in vitro and assessed its in vivo effectiveness in a xenograft tumor zebrafish model. We showed that cynaropicrin exerted potent cytotoxicity against a panel of nine MM cell lines and two leukemia cell lines with AMO1 being the most sensitive cell line (IC50 = 1.8 ± 0.3 µM). Cynaropicrin (0.8, 1.9, 3.6 µM) dose-dependently reduced c-Myc expression and transcriptional activity in AMO1 cells that was associated with significant downregulation of STAT3, AKT, and ERK1/2. Cell cycle analysis showed that cynaropicrin treatment arrested AMO1 cells in the G2M phase along with an increase in the sub-G0G1 phase after 24 h. With prolonged treatment times, cells accumulated more in the sub-G0G1 phase, implying cell death. Using confocal microscopy, we revealed that cynaropicrin disrupted the microtubule network in U2OS cells stably expressing α-tubulin-GFP. Furthermore, we revealed that cynaropicrin promoted DNA damage in AMO1 cells leading to PAR polymer production by PARP1 hyperactivation, resulting in AIF translocation from the mitochondria to the nucleus and subsequently to a novel form of cell death, parthanatos. Finally, we demonstrated that cynaropicrin (5, 10 µM) significantly reduced tumor growth in a T-cell acute lymphoblastic leukemia (T-ALL) xenograft zebrafish model. Taken together, these results demonstrate that cynaropicrin causes potent inhibition of hematopoietic tumor cells in vitro and in vivo.
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Affiliation(s)
- Joelle C Boulos
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128, Mainz, Germany
| | - Ejlal A Omer
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128, Mainz, Germany
| | - Daniela Rigano
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Carmen Formisano
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Manik Chatterjee
- University Hospital Würzburg, Translational Oncology, Comprehensive Cancer Center Mainfranken, Würzburg, Germany
| | - Ellen Leich
- Julius Maximilian University, Institute of Pathology, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, Translational Oncology, University Hospital of Würzburg, Würzburg, Germany
| | - Sabine M Klauck
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Le-Tian Shan
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128, Mainz, Germany.
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Feng Y, Han Y, Hu A, Qu Y, Hu Y, Wu H, Wang X, He L. Heliangin acts as a covalent ligand of RPS2 that disrupts pre-rRNA metabolic processes in NPM1-mutated acute myeloid leukemia. Acta Pharm Sin B 2023; 13:598-617. [PMID: 36873185 PMCID: PMC9979090 DOI: 10.1016/j.apsb.2022.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/05/2022] [Accepted: 09/23/2022] [Indexed: 11/01/2022] Open
Abstract
Although NPM1 mutations are frequently found in acute myeloid leukemia patients, therapeutic strategies are scarce and unsuitable for those who cannot tolerate intensive chemotherapy. Here we demonstrated that heliangin, a natural sesquiterpene lactone, exerts favorable therapeutic responses in NPM1 mutant acute myeloid leukemia cells, with no apparent toxicity to normal hematogenous cells, by inhibiting their proliferation, inducing apoptosis, causing cell cycle arrest, and promoting differentiation. In-depth studies on its mode of action using quantitative thiol reactivity platform screening and subsequent molecular biology validation showed that the ribosomal protein S2 (RPS2) is the main target of heliangin in treating NPM1 mutant AML. Upon covalent binding to the C222 site of RPS2, the electrophilic moieties of heliangin disrupt pre-rRNA metabolic processes, leading to nucleolar stress, which in turn regulates the ribosomal proteins-MDM2-p53 pathway and stabilizes p53. Clinical data shows that the pre-rRNA metabolic pathway is dysregulated in acute myeloid leukemia patients with the NPM1 mutation, leading to a poor prognosis. We found that RPS2 plays a critical role in regulating this pathway and may be a novel treatment target. Our findings suggest a novel treatment strategy and lead compound for acute myeloid leukemia patients, especially those with NPM1 mutations.
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Affiliation(s)
- Yin Feng
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.,China Jiangsu Key Laboratory of Research and Development in Marine Bio-resource Pharmaceutics, Nanjing 210046, China
| | - Yefan Han
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.,China Jiangsu Key Laboratory of Research and Development in Marine Bio-resource Pharmaceutics, Nanjing 210046, China
| | - Anni Hu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.,China Jiangsu Key Laboratory of Research and Development in Marine Bio-resource Pharmaceutics, Nanjing 210046, China
| | - Yi Qu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.,China Jiangsu Key Laboratory of Research and Development in Marine Bio-resource Pharmaceutics, Nanjing 210046, China
| | - Yili Hu
- Experiment Center for Science and Technology, Nanjing University of Chinese Medicine, Nanjing 210046, China
| | - Hao Wu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China
| | - Xinzhi Wang
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.,China Jiangsu Key Laboratory of Research and Development in Marine Bio-resource Pharmaceutics, Nanjing 210046, China
| | - Li He
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
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Arnaboldi L, Corsini A, Bellosta S. Artichoke and bergamot extracts: a new opportunity for the management of dyslipidemia and related risk factors. Minerva Med 2022; 113:141-157. [PMID: 35313442 DOI: 10.23736/s0026-4806.21.07950-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The relationship between low LDL-C (cholesterol associated with low-density lipoprotein) and a lower relative risk of developing cardiovascular disease (CVD) has been widely demonstrated. Although from a pharmacological point of view, statins, ezetimibe and PCSK inhibitors, alone or in combination are the front and center of the therapeutic approaches for reducing LDL-C and its CV consequences, in recent years nutraceuticals and functional foods have increasingly been considered as a valid support in the reduction of LDL-C, especially in patients with mild/moderate hyperlipidemia - therefore not requiring pharmacological treatment - or in patients intolerant to statins or other drugs. An approach also shared by the European Atherosclerosis Society (EAS). Of the various active ingredients with hypolipidemic properties, we include the artichoke (Cynara cardunculus, Cynara scolymus) and the bergamot (Citrus bergamia) which, thanks essentially to the significant presence of polyphenols in their extracts, can exert this action associated with a number of other complementary inflammation and oxidation benefits. In light of these evidence, this review aimed to describe the effects of artichoke and bergamot in modifying the lipid and inflammatory parameters described in in vitro, in vivo and clinical studies. The available data support the use of standardized compositions of artichoke and bergamot extracts, alone or in combination, in the treatment of mild to moderate dyslipidemia, in patients suffering from metabolic syndrome, hepatic steatosis, or intolerant to common hypolipidemic treatments.
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Metabolic and Anti-Inflammatory Protective Properties of Human Enriched Serum Following Artichoke Leaf Extract Absorption: Results from an Innovative Ex Vivo Clinical Trial. Nutrients 2021; 13:nu13082653. [PMID: 34444810 PMCID: PMC8398945 DOI: 10.3390/nu13082653] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/20/2021] [Accepted: 07/26/2021] [Indexed: 01/11/2023] Open
Abstract
The aging of our population is accompanied by an increased prevalence of chronic diseases. Among those, liver, joint and adipose tissue-related pathologies have a major socio-economic impact. They share common origins as they result from a dysregulation of the inflammatory and metabolic status. Plant-derived nutrients and especially polyphenols, exert a large range of beneficial effects in the prevention of chronic diseases but require clinically validated approaches for optimized care management. In this study, we designed an innovative clinical approach considering the metabolites produced by the digestive tract following the ingestion of an artichoke leaf extract. Human serum, enriched with metabolites deriving from the extract, was collected and incubated with human hepatocytes, human primary chondrocytes and adipocytes to determine the biological activity of the extract. Changes in cellular behavior demonstrated that the artichoke leaf extract protects hepatocytes from lipotoxic stress, prevents adipocytes differentiation and hyperplasia, and exerts chondroprotective properties in an inflammatory context. These data validate the beneficial health properties of an artichoke leaf extract at the clinical level and provide both insights and further evidence that plant-derived nutrients and especially polyphenols from artichoke may represent a relevant alternative for nutritional strategies addressing chronic disease issues.
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