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Bahrin AA, Moshawih S, Dhaliwal JS, Kanakal MM, Khan A, Lee KS, Goh BH, Goh HP, Kifli N, Ming LC. Cancer protective effects of plums: A systematic review. Biomed Pharmacother 2021; 146:112568. [PMID: 34963086 DOI: 10.1016/j.biopha.2021.112568] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/06/2021] [Accepted: 12/19/2021] [Indexed: 01/10/2023] Open
Abstract
Plums is one of the most cultivated stone fruits due to its fast growing popularity. It has various traditionally recognized health benefits. There are two main commercial types of plums: the European plum (Prunus domestica) and the Japanese plum (Prunus salicina), each having many varieties. Researchers are gathering further evidence of pharmacological effects for plums by scientifically studying its anti-inflammatory, antioxidant properties. A systematic review analysing the literature related to the effects of plums on prevention and treatment of cancer is warranted. This is the first review examining the cancer-related effects of plums. Antioxidation properties of the active constituents of plum were also compared. Scopus, Google Scholar, PubMed, Medxriv and Cochrane Library databases, from their date of inception until July 2021 were utilized. The risk of bias was assessed using CONSORT checklist. A total of 6639 studies were screened and eventually only 54 studies were included. Full-text review of included studies revealed that plum extracts were rich in antioxidants. Overall, most of the studies that fulfilled the eligibility criteria were in vitro and a few clinical studies involving in vivo work. Therefore, it would be beneficial to perform more studies on animals or humans, to confirm that the result obtained from these in vitro studies are able to be extrapolated in a wider range of applications. Further clinical and in vivo studies are warranted to validate plums as a functional food for treatment and prevention of cancer.
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Affiliation(s)
- Abdul Alim Bahrin
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Said Moshawih
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Jagjit Singh Dhaliwal
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | | | - Abdullah Khan
- School of Pharmacy, KPJ Healthcare University College, Nilai, Negeri Sembilan, Malaysia
| | - Kah Seng Lee
- Faculty of Pharmacy, University of Cyberjaya, Cyberjaya, Selangor, Malaysia
| | - Bey Hing Goh
- Biofunctional Molecule Exploratory (BMEX) Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway, Malaysia; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, PR China
| | - Hui Poh Goh
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Nurolaini Kifli
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Long Chiau Ming
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam.
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Joshi BC, Juyal V, Sah AN, Verma P, Mukhija M. Review On Documented Medicinal Plants Used For The Treatment Of Cancer. CURRENT TRADITIONAL MEDICINE 2021. [DOI: 10.2174/2215083807666211011125110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Background:
Cancer is a frightful disease and it is the second leading cause of death worldwide. Naturally derived compounds are gaining interest of research workers as they have less toxic side effects as compared to currently used treatments such as chemotherapy. Plants are the pool of chemical compounds which provides a promising future for research on cancer.
Objective:
This review paper provides updated information gathered on medicinal plants and isolated phytoconstituents used as anticancer agents and summarises the plant extracts and their isolated chemical constituents exhibiting anticancer potential on clinical trials.
Methods:
An extensive bibliographic investigation was carried out by analysing worldwide established scientific databases like SCOPUS, PUBMED, SCIELO, ScienceDirect, Springerlink, Web of Science, Wiley, SciFinder and Google Scholar etc. In next few decades, herbal medicine may become a new epoch of medical system.
Results:
Many researches are going on medicinal plants for the treatment of cancer but it is a time to increase further experimental studies on plant extracts and their chemical constituents to find out their mechanism of action at molecular level.
Conclusion:
The article may help many researchers to start off further experimentation that might lead to the drugs for the cancer treatment.
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Affiliation(s)
- Bhuwan Chandra Joshi
- Department of Pharmaceutical Sciences, Faculty of Technology, Kumaun University, Bhimtal Campus, Nainital-263136, India
| | - Vijay Juyal
- Department of Pharmaceutical Sciences, Faculty of Technology, Kumaun University, Bhimtal Campus, Nainital-263136, India
| | - Archana N. Sah
- Department of Pharmaceutical Sciences, Faculty of Technology, Kumaun University, Bhimtal Campus, Nainital-263136, India
| | - Piyush Verma
- Department of Pharmacology, School of Pharmaceutical science and Technology, Sardar Bhagwan Singh University, Dehradun-248001, India
| | - Minky Mukhija
- Department of Pharmaceutical Sciences, Ch. Devi Lal College of Pharmacy, Buria Road, Bhagwangarh, Jagadhri-135003, India
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Abstract
Prunus is a large genus in the Rosaceae family of flowering plants, comprising over 340 species inhabiting variable landscapes in the world. Over 500 listed phytochemicals have been isolated from this single genus so far. The present study focused four Chinese Prunus species, viz., Prunus cerasifera, Prunus domestica, Prunus salicina, and Prunus spinosa, due to their uses, demand, nutritional value, medicinal importance, and diverse biological potential. The current review article highlights the details about the active phytochemicals and various pharmacological activities already reported. Almost 212 compounds, the majority of which are flavonoids, phenolic acids, anthocyanins, and their derivatives, which have been isolated from these four Prunus species fall in different categories and are helpful to evade chronic oxidative stress-mediated diseases. A huge variation exists in the total phytochemicals composition in different Prunus species, making these species to have different biological activities in multiple disease conditions, and even the same variety growing under different edaphic conditions may have different antioxidant capacities. It is suggested to perform extensive and indepth studies to find new phytochemicals from these four Chinese Prunus species which could boost the local industry to fulfill the increasing demands.
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Koyu H, Kazan A, Nalbantsoy A, Yalcin HT, Yesil-Celiktas O. Cytotoxic, antimicrobial and nitric oxide inhibitory activities of supercritical carbon dioxide extracted Prunus persica leaves. Mol Biol Rep 2019; 47:569-581. [PMID: 31686285 DOI: 10.1007/s11033-019-05163-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/24/2019] [Indexed: 11/26/2022]
Abstract
Different parts of Prunus persica as fruits, flowers, leaves and kernels have been consumed with dietary and therapeutic purposes traditionally. During fruit production, remarkable amount of leaves which can hold important bioactive groups as phenolics, have been left unutilized. The aim of this study was to investigate cytotoxic, antimicrobial and nitric oxide inhibitory activities of supercritical carbondioxide extracts of Prunus persica leaves. Among studied cell lines, supercritical carbon dioxide extract which was processed at 150 bar, 60 °C, and 6% co-solvent ethanol, exhibited remarkable cytotoxic activity against HeLa, MPanc-96 and MCF-7 cell lines with IC50 values of 12.22 µg/ml, 28.17 µg/ml and 35.51 µg/ml respectively, whereas IC50 value of conventional solvent extract was above 50 µg/ml. Minimum inhibitory concentration values determined for antibacterial and antifungal activities against Escherichia coli, Staphylococcus aureus, Staphylococcus epidermidis, Enterococcus faecalis, Enterococcus faecium and Candida albicans were found as 62.50 µg/ml. Strong nitric oxide inhibition was achieved with IC50 of 9.30 µg/ml. The promising results revealed that Prunus persica leaves may have remarkable potential as supplement both for drug and food industries. This study is the first report revealing cytotoxic, antimicrobial and nitric oxide inhibitory activity of supercritical carbon dioxide extract of Prunus persica leaves.
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Affiliation(s)
- Halil Koyu
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Izmir Katip Celebi University, 35620, Izmir, Turkey.
| | - Aslihan Kazan
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100, Izmir, Turkey
| | - Ayse Nalbantsoy
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100, Izmir, Turkey
| | | | - Ozlem Yesil-Celiktas
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100, Izmir, Turkey
- Biomedical Technologies Graduate Programme, Graduate School of Natural and Applied Sciences, Ege University, 35100, Izmir, Turkey
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5
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Paśko P, Tyszka-Czochara M, Trojan S, Bobis-Wozowicz S, Zagrodzki P, Namieśnik J, Haruenkit R, Poovarodom S, Pinsirodom P, Gorinstein S. Glycolytic genes expression, proapoptotic potential in relation to the total content of bioactive compounds in durian fruits. Food Res Int 2019; 125:108563. [PMID: 31554073 DOI: 10.1016/j.foodres.2019.108563] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 07/09/2019] [Accepted: 07/13/2019] [Indexed: 12/24/2022]
Abstract
The properties of durian fruit at five stages of ripeness were evaluated and compared. The physicochemical parameters such as titratable acidity (TA) and total soluble solids (TSS) increased, whereas the pH slightly decreased during the ripening process. The highest contents of polyphenols, flavonoids, flavanols, tannins, vitamin C and the antioxidant capacities, measured by radical scavenging assays, were found in ripe and overripe fruits. The structural properties of extracted polyphenols were evaluated by Fourier transform infrared spectroscopy (FTIR) and fluorescence spectroscopy. The interaction of polyphenols with the main drug carrier in blood human serum albumin (HSA) showed decrease in its fluorescence intensity. The binding properties of polyphenols were in direct correlation with the antioxidant capacities of the investigated fruits. HepG2 cells evaluated cytotoxic effect and the mechanism of cell death after treatment with durian. The metabolism of carbohydrates was examined on the expression of glycolysis-related genes (hexokinase 2 (HK2); 6-phosphofructo-2-kinase 4 (PFKFB4); facilitated glucose transporter member 1 (SLC2A1 (Glut1)) and lactate dehydrogenase A and utilization of glucose in the hepatocytes with durian treatment. Durian in immature stage had stronger cytotoxic effect and weak proapoptotic potential on HepG2 cells than the mature and overripe ones. The ripe and overripe fruits increased the expression of hepatic HK2 and PFKFB4 glycolytic genes and stimulated glucose utilization in HepG2 cells. The present results indicate that durians reveal different biological activity and may provide their broad and extensive use as medicinal or functional foods.
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Affiliation(s)
- Paweł Paśko
- Department of Food Chemistry and Nutrition, Jagiellonian University Medical College, Kraków, Poland.
| | | | - Sonia Trojan
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Kraków, Poland
| | - Sylwia Bobis-Wozowicz
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Paweł Zagrodzki
- Department of Food Chemistry and Nutrition, Jagiellonian University Medical College, Kraków, Poland
| | - Jacek Namieśnik
- Gdańsk University of Technology, Faculty of Chemistry, Department of Analytical Chemistry, Gdańsk, Poland
| | - Ratiporn Haruenkit
- Faculty of Agro-Industry, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Sumitra Poovarodom
- Department of Soil Science, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Praphan Pinsirodom
- Faculty of Agro-Industry, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Shela Gorinstein
- Institute for Drug Research, School of Pharmacy, Hadassah Medical School, The Hebrew University, Jerusalem, Israel.
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6
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Dietary Natural Products for Prevention and Treatment of Breast Cancer. Nutrients 2017; 9:nu9070728. [PMID: 28698459 PMCID: PMC5537842 DOI: 10.3390/nu9070728] [Citation(s) in RCA: 156] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 06/30/2017] [Accepted: 06/30/2017] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the most common cancer among females worldwide. Several epidemiological studies suggested the inverse correlation between the intake of vegetables and fruits and the incidence of breast cancer. Substantial experimental studies indicated that many dietary natural products could affect the development and progression of breast cancer, such as soy, pomegranate, mangosteen, citrus fruits, apple, grape, mango, cruciferous vegetables, ginger, garlic, black cumin, edible macro-fungi, and cereals. Their anti-breast cancer effects involve various mechanisms of action, such as downregulating ER-α expression and activity, inhibiting proliferation, migration, metastasis and angiogenesis of breast tumor cells, inducing apoptosis and cell cycle arrest, and sensitizing breast tumor cells to radiotherapy and chemotherapy. This review summarizes the potential role of dietary natural products and their major bioactive components in prevention and treatment of breast cancer, and special attention was paid to the mechanisms of action.
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Igwe EO, Charlton KE. A Systematic Review on the Health Effects of Plums (Prunus domestica and Prunus salicina). Phytother Res 2016; 30:701-31. [PMID: 26992121 DOI: 10.1002/ptr.5581] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 11/30/2015] [Accepted: 01/09/2016] [Indexed: 12/16/2022]
Abstract
In recent times, plums have been described as foods with health-promoting properties. Research on the health effects of plum continue to show promising results on its antiinflammatory, antioxidant and memory-improving characteristics. The increased interest in plum research has been attributed to its high phenolic content, mostly the anthocyanins, which are known to be natural antioxidants. A systematic review of literature was carried out to summarize the available evidence on the impact of plums (Prunus species; domestica and salicina) on disease risk factors and health outcomes. A number of databases were searched according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines for relevant studies on plum health effects in vitro, animal studies and clinical trials. A total of 73 relevant peer-reviewed journal articles were included in this review. The level of evidence remains low. Of the 25 human studies, 6 were confirmatory studies of moderate quality, while 19 were exploratory. Plums have been shown to possess antioxidant and antiallergic properties, and consumption is associated with improved cognitive function, bone health parameters and cardiovascular risk factors. Most of the human trials used the dried version of plums rather than fresh fruit, thus limiting translation to dietary messages of the positioning of plums in a healthy diet. Evidence on the health effect of plums has not been extensively studied, and the available evidence needs further confirmation. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Ezinne O Igwe
- School of Medicine, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, 2522, Australia
| | - Karen E Charlton
- School of Medicine, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, 2522, Australia
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8
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Fanning KJ, Topp B, Russell D, Stanley R, Netzel M. Japanese plums (Prunus salicina Lindl.) and phytochemicals--breeding, horticultural practice, postharvest storage, processing and bioactivity. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2014; 94:2137-2147. [PMID: 24449456 DOI: 10.1002/jsfa.6591] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 01/14/2014] [Accepted: 01/21/2014] [Indexed: 06/03/2023]
Abstract
Previous reviews of plum phytochemical content and health benefits have concentrated on the European plum, Prunus domestica L. However, the potential bioactivity of red- and dark red-fleshed Japanese plums, Prunus salicina Lindl., so-called blood plums, appears to warrant a significant increase in exposure, as indicated in a recent review of the whole Prunus genus. Furthermore, Japanese plums are the predominant plum produced on an international basis. In this review the nutrient and phytochemical content, breeding, horticultural practice, postharvest treatment and processing as well as bioactivity (emphasising in vivo studies) of Japanese plum are considered, with a focus on the anthocyanin content that distinguishes the blood plums.
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Affiliation(s)
- Kent J Fanning
- Agri-Science Queensland, Department of Agriculture, Fisheries and Forestry, Coopers Plains, QLD, 4108, Australia
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9
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Stacewicz-Sapuntzakis M. Dried plums and their products: composition and health effects--an updated review. Crit Rev Food Sci Nutr 2014; 53:1277-302. [PMID: 24090144 DOI: 10.1080/10408398.2011.563880] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This paper describes composition of dried plums and their products (prune juice and dried plum powder) with special attention to possibly bioactive compounds. Dried plums contain significant amounts of sorbitol, quinic acid, chlorogenic acids, vitamin K1, boron, copper, and potassium. Synergistic action of these and other compounds, which are also present in dried plums in less conspicuous amounts, may have beneficial health effects when dried plums are regularly consumed. Snacking on dried plums may increase satiety and reduce the subsequent intake of food, helping to control obesity, diabetes, and related cardiovascular diseases. Despite their sweet taste, dried plums do not cause large postprandial rise in blood glucose and insulin. Direct effects in the gastrointestinal tract include prevention of constipation and possibly colon cancer. The characteristic phenolic compounds and their metabolites may also act as antibacterial agents in both gastrointestinal and urinary tracts. The indirect salutary effects on bone turnover are supported by numerous laboratory studies with animals and cell cultures. Further investigation of phenolic compounds in dried plums, particularly of high molecular weight polymers, their metabolism and biological actions, alone and in synergy with other dried plum constituents, is necessary to elucidate the observed health effects and to indicate other benefits.
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Affiliation(s)
- M Stacewicz-Sapuntzakis
- a Department of Kinesiology and Nutrition , University of Illinois at Chicago , Chicago , Illinois , USA
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10
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Phytochemical composition and antioxidant capacity of various botanical parts of the fruits of Prunus×domestica L. from the Lorraine region of Europe. Food Chem 2012. [DOI: 10.1016/j.foodchem.2012.01.071] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Yu MH, Im HG, Kim HI, Lee IS. Induction of apoptosis by immature plum in human hepatocellular carcinoma. J Med Food 2009; 12:518-27. [PMID: 19627199 DOI: 10.1089/jmf.2008.1268] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
In the present study, the effect of an extract of immature Prunus salicina Lindl. cv. Soldam fruit on the viability and induction of apoptosis in human hepatocellular carcinoma HepG2 cells was investigated. The results showed that in comparison with other cancer cells, the growth inhibition exerted by immature plum extracts was greatest in HepG2. Apoptosis in HepG2 cells mediated by immature plums was associated with "death receptor signaling." Immature plum extracts significantly increased the activation of caspase-8, -10, and -3 and expression of the caspase-3 target proteins alpha-fodrin (induces membrane blebbing and cell shrinkage), poly(ADP-ribose) polymerase (a nuclear enzyme that is involved in DNA repair following DNA nicks), and DNA fragmentation factor (induces apoptotic DNA fragmentation). The total yield of identified polyphenols in immature plum extract was 10 g/kg dry weight. The major components, (-)-epicatechin and (-)-gallocatechin gallate, were 34.7% and 28.6% of total polyphenols, respectively. (+)-Catechin, (-)-epicatechin gallate, and (-)-catechin gallate were also found. On the basis of these results, the immature plum (P. salicina Lindl. cv. Soldam) and its active compound, (-)-epicatechin, are expected to be a natural resource for developing novel therapeutic agents for cancer prevention and treatment.
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Affiliation(s)
- Mi Hee Yu
- Department of Food Science and Technology, Keimyung University, Daegu, Republic of Korea
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12
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Cuccioloni M, Mozzicafreddo M, Bonfili L, Cecarini V, Eleuteri AM, Angeletti M. Natural occurring polyphenols as template for drug design. Focus on serine proteases. Chem Biol Drug Des 2009; 74:1-15. [PMID: 19519739 DOI: 10.1111/j.1747-0285.2009.00836.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Several major physio-pathological processes, including cancer, inflammatory states and thrombosis, are all strongly dependent upon the fine regulation of proteolytic enzyme activities, and dramatic are the consequences of unbalanced equilibria between enzymes and their cognate inhibitors. In this perspective, the discovery of small-molecule ligands able to modulate catalytic activities has a massive therapeutic potential and is a stimulating goal. Numerous recent experimental evidences revealed that proteolytic enzymes can be opportunely targeted, reporting on small ligands capable of binding to these biological macromolecules with drug-like potencies, and primarily with comparable (or even higher) efficiency with respect to their endogenous binding partner. In particular, natural occurring polyphenols and their derivatives recently disclosed these intriguing abilities, making them promising templates for drug design and development. In this review, we compared the inhibitory capacities of a set of monomeric polyphenols toward serine proteases activity, and finally summarized the data with an emphasis on the derivation of a pharmacophore model.
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Affiliation(s)
- Massimiliano Cuccioloni
- Department of Molecular, Cellular and Animal Biology, University of Camerino, Via Gentile III da Varano, Camerino (MC), Italy.
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13
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Yu MH, Gwon Im H, Gyu Lee S, Kim DI, Jeong Seo H, Lee IS. Inhibitory effect of immature plum on PMA-induced MMP-9 expression in human hepatocellular carcinoma. Nat Prod Res 2009; 23:704-18. [PMID: 19418353 DOI: 10.1080/14786410802263485] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The goal of this study was to evaluate the anticancer effect of Prunus salicina Lindl. cv. Soldam at three maturity stages (immature, midmature and mature). In search for anticancer effects of immature plum extract (IPE), we have found its antimigrative property in (phorbol 12-myristate 13-acetate) PMA-induced HepG2 cells, and this effect is associated with inhibition of MMP-9 activity. IPE appeared to have a strong inhibitory effect on the PMA-induced MMP-9 secretion through suppression of the transcriptional activity of the MMP-9 gene independently of the TIMP gene in HepG2 cells. PMA induced the translocation of c-jun and p65 to the nucleus; however, IPE inhibited their nuclear translocations induced by PMA in HepG2 cells. These results clearly indicate that IPE suppresses both AP-1- and NF-kappaB-mediated MMP-9 gene transcriptional activity through inhibiting the nuclear translocations of AP-1 and NF-kappaB. These findings suggest that AP-1 and NF-kappaB activations through the ERK, p38 MAPK and JNK pathways appears to be required for the induction of MMP-9 expression by PMA in IPE, and IPE regulates PMA-stimulated MMP-9 expression by suppressing the p38 MAPK, JNK and ERK pathways. IPE leads to a decrease in the migration potential of HepG2 cells in vitro, and this suggests that the migration inhibition is correlated well with its inhibition of MMP-9 expression.
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Affiliation(s)
- Mi Hee Yu
- Department of Food Science and Technology and The Center for Traditional Microorganism Resources (TMR), Keimyung University, Daegu, Republic of Korea
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