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Mert H, Kerem Ö, Mıs L, Yıldırım S, Mert N. Effects of protocatechuic acid against cisplatin-induced neurotoxicity in rat brains: an experimental study. Int J Neurosci 2024; 134:725-734. [PMID: 36525373 DOI: 10.1080/00207454.2022.2147430] [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] [Received: 03/09/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 12/23/2022]
Abstract
Aims/Objectives: Cisplatin (CIS) is widely used in the treatment of various malignant tumors. The aim of study is to determine the potential protective effects of protocatechuic acid (PCA) on the brain in neurotoxicity induced by CIS in rats.Materials and methods: Forty rats were divided into four groups: 1-Control group: 2- PCA group: PCA was administered orally at a dose of 100 mg/kg/day for 5 weeks. 3-CIS group: 5 mg/kg/week of CIS was administered intraperiteonally 4-PCA + CIS group: The rats were given PCA orally daily for 5 weeks and CIS of 5 mg/kg/week. The brain tissues were used for histopathological examinations and for total antioxidant capacity (TAC), total oxidative state (TOS), oxidative stress index (OSI), tumornecrosis factor-alpha (T NF-α), interleukin 6 (IL-6) Interleukin 1 beta (IL-1β), acetylcholinesterase (AChE), glutamate, gamma aminobutyric acid (GABA), dopamine analyzes in ELISA. WBC, RBC, hemoglobin and hematocrit levels were measured.Results: PCA + CIS group compared to CIS group TOS, OSI, T NF-α, IL-6, IL-1β, AChE, glutamate, WBC levels decreased significantly, while TAC and GABA levels increased statistically significant. With this study, P CA corrected the deterioration in the oxidant / antioxidant status, suppressed neuro-inflammation, decreased AChE activity, partially normalized neurotransmitters, and decreased the increased WBC count. Necrosis seen in the CIS group in histopathological examinations was never seen in the PCA + CIS group.Conclusions: PCA may provide therapeutic benefit when used in conjunction with CIS.
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Affiliation(s)
- Handan Mert
- Department of Biochemistry, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Özge Kerem
- Department of Biochemistry, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Leyla Mıs
- Department of Physiology, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Serkan Yıldırım
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Nihat Mert
- Department of Biochemistry, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
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Cadena-Iñiguez J, Santiago-Osorio E, Sánchez-Flores N, Salazar-Aguilar S, Soto-Hernández RM, Riviello-Flores MDLL, Macías-Zaragoza VM, Aguiñiga-Sánchez I. The Cancer-Protective Potential of Protocatechuic Acid: A Narrative Review. Molecules 2024; 29:1439. [PMID: 38611719 PMCID: PMC11012759 DOI: 10.3390/molecules29071439] [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: 02/03/2024] [Revised: 03/04/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
Cancer is one of the leading causes of death worldwide, making the search for alternatives for its control a critical issue. In this context, exploring alternatives from natural sources, such as certain vegetables containing a variety of secondary metabolites with beneficial effects on the body and that play a crucial role in the fight against cancer, is essential. Among the compounds with the greatest efficacy in controlling this disease, those with antioxidant activity, particularly phenolic com-pounds, stand out. A remarkable example of this group is protocatechuic acid (PCA), which has been the subject of various revealing research on its activities in different areas. These studies sustain that protocatechuic acid has anti-inflammatory, antimutagenic, antidiabetic, antiulcer, antiviral, antifibrogenic, antiallergic, neuroprotective, antibacterial, anticancer, antiosteoporotic, anti-aging, and analgesic properties, in addition to offering protection against metabolic syndrome and con-tributing to the preservation of hepatic, renal, and reproductive functionality. Therefore, this paper aims to review the biological activities of PCA, focusing on its anticancer potential and its in-volvement in the control of various molecular pathways involved in tumor development, sup-porting its option as a promising alternative for cancer treatment.
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Affiliation(s)
- Jorge Cadena-Iñiguez
- Postgraduate College, Campus San Luis Potosí, Salinas de Hidalgo, San Luis Potosí 78622, Mexico;
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (E.S.-O.); (N.S.-F.)
| | - Nancy Sánchez-Flores
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (E.S.-O.); (N.S.-F.)
| | - Sandra Salazar-Aguilar
- Specialized Equipment Laboratory, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico;
| | - Ramón Marcos Soto-Hernández
- Postgraduate College, Campus Montecillo, Km. 36.5, Carretera México-Texcoco, Montecillo, Texcoco 56230, Mexico; (R.M.S.-H.); (M.d.l.L.R.-F.)
| | - María de la Luz Riviello-Flores
- Postgraduate College, Campus Montecillo, Km. 36.5, Carretera México-Texcoco, Montecillo, Texcoco 56230, Mexico; (R.M.S.-H.); (M.d.l.L.R.-F.)
| | - Víctor Manuel Macías-Zaragoza
- Department of Biomedical Sciences, Faculty of Medicine, Faculty of Higher Studies Zaragoza, National Autonomous University of Mexico, Av. Guelatao 66, Iztapalapa, Mexico City 09230, Mexico;
| | - Itzen Aguiñiga-Sánchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (E.S.-O.); (N.S.-F.)
- Department of Biomedical Sciences, Faculty of Medicine, Faculty of Higher Studies Zaragoza, National Autonomous University of Mexico, Av. Guelatao 66, Iztapalapa, Mexico City 09230, Mexico;
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Gherboudj O, Boutaghane N, Kabouche Z, Djeblia L, Zerrougui L, Bekrar M. Phytochemical profiles and evaluation of the biological potential of ethyl acetate and n-butanol fractions of the aerial parts of Cistus albidus L. Nat Prod Res 2024:1-7. [PMID: 38440804 DOI: 10.1080/14786419.2024.2324116] [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: 09/05/2023] [Accepted: 02/22/2024] [Indexed: 03/06/2024]
Abstract
The phytochemical profiles of the ethyl acetate (EAFCA) and n-butanol (BFCA) fractions of the aerial parts of Cistus albidus L., were characterised by a developed LC-ESI-MS/MS method, using 53 fingerprint phytochemicals, revealing the presence of 26 and 22 compounds, respectively with quinic acid, gallic acid, protocatechuic acid, catechin, gentisic acid, tannic acid, ellagic acid, quercitrin, astragalin as the major compounds of the EAFCA, in very higher amounts than in the BFCA. The antioxidant activity was evaluated using six methods (DPPH•, ABTS•+, GOR•, CUPRAC, FRAP and Phenanthroline). In agreement with its highest polyphenolic content (430.12 ± 1.02 µg GAE/mg of extract) and largest amounts of identified polyphenolics, the EAFCA exhibited a higher antioxidant activity than the BFCA. Additionally, the EAFCA showed the highest acetylcholinesterase (AChE) inhibition (IC50 of 25.1 ± 2.58 µg/mL). Moreover, both EAFCA and BFCA demonstrated high photoprotective activity, with sun protection factor (SPF) values of 36.49 and 36.52, respectively.
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Affiliation(s)
- Ouissem Gherboudj
- Université frères Mentouri-Constantine 1, Laboratoire d'Obtention de Substances Thérapeutiques (LOST), Campus Chasbet Ersas, Constantine, Algeria
- Université frères Mentouri-Constantine 1, Laboratoire de Synthèse de Molécules d'Intérêt Biologique, Constantine, Algeria
| | - Naima Boutaghane
- Université frères Mentouri-Constantine 1, Laboratoire d'Obtention de Substances Thérapeutiques (LOST), Campus Chasbet Ersas, Constantine, Algeria
| | - Zahia Kabouche
- Université frères Mentouri-Constantine 1, Laboratoire d'Obtention de Substances Thérapeutiques (LOST), Campus Chasbet Ersas, Constantine, Algeria
| | - Lamia Djeblia
- Université frères Mentouri-Constantine 1, Laboratoire d'Obtention de Substances Thérapeutiques (LOST), Campus Chasbet Ersas, Constantine, Algeria
| | - Leila Zerrougui
- Université frères Mentouri-Constantine 1, Laboratoire de Biochimie Appliquée, Constantine, Algeria
| | - Manel Bekrar
- Université frères Mentouri-Constantine 1, Laboratoire de Biochimie Appliquée, Constantine, Algeria
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Üstündağ Ü, Macar O, Kalefetoğlu Macar T, Yalçın E, Çavuşoğlu K. Effect of Melissa officinalis L. leaf extract on manganese-induced cyto-genotoxicity on Allium cepa L. Sci Rep 2023; 13:22110. [PMID: 38092949 PMCID: PMC10719243 DOI: 10.1038/s41598-023-49699-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023] Open
Abstract
Although the antioxidant properties of Melissa officinalis extract (Mox) are widely known, little work has focused on its protective capacity against heavy metal stress. The primary objective of this study was to determine the potential of Mox to mitigate manganese (II) chloride (MnCI2)-induced cyto-genotoxicity using the Allium and comet assays. Physiological, genotoxic, biochemical and anatomical parameters as well as the phenolic composition of Mox were examined in Allium cepa (L.). Application of 1000 µM MnCl2 reduced the rooting percentage, root elongation, weight gain, mitotic index and levels of chlorophyll a and chlorophyll b pigments compared to the control group. However, it increased micronuclei formation, chromosomal abnormality frequencies, tail DNA percentage, proline amount, lipid peroxidation level and meristematic damage severity. The activities of superoxide dismutase and catalase also increased. Chromosomal aberrations induced by MnCl2 were fragment, sticky chromosome, vagrant chromosome, unequal distribution of chromatin and bridge. Application of 250 mg/L Mox and 500 mg/L Mox along with MnCl2 significantly alleviated adverse effects dose dependently. The antioxidant activity bestowed by the phenolic compounds in Mox assisted the organism to combat MnCl2 toxicity. Consequently, Mox exerted remarkable protection against MnCl2 toxicity and it needs to be investigated further as a potential therapeutic option.
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Affiliation(s)
- Ünal Üstündağ
- Department of Biology, Faculty of Science and Art, Giresun University, Giresun, Turkey
| | - Oksal Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, 28400, Giresun, Turkey.
| | - Tuğçe Kalefetoğlu Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, 28400, Giresun, Turkey
| | - Emine Yalçın
- Department of Biology, Faculty of Science and Art, Giresun University, Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- Department of Biology, Faculty of Science and Art, Giresun University, Giresun, Turkey
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Kantari SAK, Biswal RP, Kumar P, Dharanikota M, Agraharam A. Antioxidant and Antidiabetic Activities, and UHPLC-ESI-QTOF-MS-Based Metabolite Profiling of an Endophytic Fungus Nigrospora sphaerica BRN 01 Isolated from Bauhinia purpurea L. Appl Biochem Biotechnol 2023; 195:7465-7482. [PMID: 37004649 DOI: 10.1007/s12010-023-04452-7] [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] [Accepted: 03/15/2023] [Indexed: 04/04/2023]
Abstract
Diabetes-associated postprandial hyperglycemia is a major risk factor in cardiovascular disease. Since enzyme α-glucosidase is primarily responsible for glucose release during digestion, inhibiting it mitigates post-meal spike in blood glucose level. Metabolites from endophytic fungi could be potential natural inhibitors of this enzyme. Endophytic fungi isolated from Bauhinia purpurea L. were screened for their potential antioxidant and antidiabetic activities. Ethyl acetate extract of Nigrospora sphaerica BRN 01 (NEE) displayed high antioxidant activity with an IC50 value of 9.72 ± 0.91 µg/ml for DPPH assay and ferric reducing antioxidant power (FRAP) of 1595 ± 0.23 µmol AAE g-1 DW. NEE also showed high degree of inhibition of α-glucosidase activity with an IC50 value of 0.020 ± 0.001 mg/ml, significantly greater than the standard drug acarbose (0.494 ± 0.009 mg/ml). Metabolite profiling of NEE was carried using ultra-high-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) and 21 metabolites identified based on the MS/MS fragmentation patterns. Docking analysis of all 21 identified metabolites was carried out. Of these, 6 showed binding energies higher than acarbose (- 6.6 kcal/mol). Based on the analysis of interactions of feruloyl glucose with active site residues of the enzyme, it could be a potential α-glucosidase inhibitor. Metabolites of Nigrospora sphaerica BRN 01, therefore, could be potential lead molecules for design and development of antidiabetic drugs.
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Affiliation(s)
- Sai Anand Kannakazhi Kantari
- Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Brindavan Campus, Bengaluru, 560067, Karnataka, India
| | - Ranendra Pratap Biswal
- Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam Campus, Puttaparthi, 515134, Andhra Pradesh, India
| | - Piyush Kumar
- Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Brindavan Campus, Bengaluru, 560067, Karnataka, India
| | - Malleswara Dharanikota
- Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Brindavan Campus, Bengaluru, 560067, Karnataka, India
| | - Ashok Agraharam
- Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Brindavan Campus, Bengaluru, 560067, Karnataka, India.
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6
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In silico evaluation of coconut milk phenolic antioxidants and their inhibition of oxidative stress in intestinal Lactobacillus spp. in vitro. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-022-02650-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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7
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Ye Z, Liu Y. Polyphenolic compounds from rapeseeds (Brassica napus L.): The major types, biofunctional roles, bioavailability, and the influences of rapeseed oil processing technologies on the content. Food Res Int 2023; 163:112282. [PMID: 36596189 DOI: 10.1016/j.foodres.2022.112282] [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: 09/13/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/09/2022]
Abstract
The rapeseed (Brassica napus L.) are the important oil bearing material worldwide, which contain wide variety of bioactive components with polyphenolic compounds considered the most typical. The rapeseed polyphenols encompass different structural variants, and have been considered to have many bioactive functions, which are beneficial for the human health. Whereas, the rapeseed oil processing technologies affect their content and the biofunctional activities. The present review of the literature highlighted the major types of the rapeseed polyphenols, and summarized their biofunctional roles. The influences of rapeseed oil processing technologies on these polyphenols were also elucidated. Furthermore, the directions of the future studies for producing nutritional rapeseed oils preserved higher level of polyphenols were prospected. The rapeseed polyphenols are divided into the phenolic acids and polyphenolic tannins, both of which contained different subtypes. They are reported to have multiple biofunctional roles, thus showing outstanding health improvement effects. The rapeseed oil processing technologies have significant effects on both of the polyphenol content and activity. Some novel processing technologies, such as aqueous enzymatic extraction (AEE), subcritical or supercritical extraction showed advantages for producing rapeseed oil with higher level of polyphenols. The oil refining process involved heat or strong acid and alkali conditions affected their stability and activity, leading to the loss of polyphenols of the final products. Future efforts are encouraged to provide more clinic evidence for the practical applications of the rapeseed polyphenols, as well as optimizing the processing technologies for the green manufacturing of rapeseed oils.
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Affiliation(s)
- Zhan Ye
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, Jiangsu, PR China; State Key Laboratory of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, Jiangsu, PR China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, PR China; National Engineering Research Center for Functional Food, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, PR China.
| | - Yuanfa Liu
- School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, Jiangsu, PR China; State Key Laboratory of Food Science and Technology, Jiangnan University, No. 1800, Lihu Road, Wuxi 214122, Jiangsu, PR China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, PR China; National Engineering Research Center for Functional Food, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, PR China.
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Neenu Krishna P, Muraleedharan K. Metal chelation ability of Protocatechuic acid anion with 210Po84; A theoretical insight. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Lee KX, Shameli K, Nagao Y, Yew YP, Teow SY, Moeini H. Potential use of gold-silver core-shell nanoparticles derived from Garcinia mangostana peel for anticancer compound, protocatechuic acid delivery. Front Mol Biosci 2022; 9:997471. [PMID: 36304924 PMCID: PMC9593088 DOI: 10.3389/fmolb.2022.997471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/12/2022] [Indexed: 11/26/2022] Open
Abstract
Colorectal cancer is one of the most killing cancers and this has become a global problem. Current treatment and anticancer drugs cannot specifically target the cancerous cells, thus causing toxicity towards surrounding non-cancer cells. Hence, there is an urgent need to discover a more target-specific therapeutic agent to overcome this problem. Core-shell nanoparticles have emerged as good candidate for anticancer treatment. This study aimed to synthesize core-shell nanoparticles via green method which utilised crude peels extract of Garcinia mangostana as reducing and stabilising agents for drug delivery. Gold-silver core-shell nanoparticles (Au-AgNPs) were synthesized through seed germination process in which gold nanoparticles acted as the seed. A complete coating was observed through transmission electron microscopy (TEM) when the ratio of AuNPs and AgNPs was 1:9. The size of Au-AgNPs was 38.22 ± 8.41 nm and was mostly spherical in shape. Plant-based drug, protocatechuic acid (PCA) was loaded on the Au-AgNPs to investigate their anticancer activity. In HCT116 colon cancer cells, PCA-loaded Au-AgNPs (IC50 = 10.78 μg/ml) showed higher inhibitory action than the free PCA (IC50= 148.09 μg/ml) and Au-AgNPs alone (IC50= 24.36 μg/ml). Up to 80% inhibition of HCT116 cells was observed after the treatment of PCA-loaded Au-AgNPs at 15.63 μg/ml. The PCA-loaded Au-AgNPs also showed a better selectivity towards HCT116 compared to CCD112 colon normal cells when tested at the same concentrations. These findings suggest that Au-AgNPs system can be used as a potent nanocarrier to combat cancerous cells by offering additional anticancer properties to the loaded drug.
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Affiliation(s)
- Kar Xin Lee
- Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
| | - Kamyar Shameli
- Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
- *Correspondence: Kamyar Shameli, ; Hassan Moeini,
| | - Yuki Nagao
- School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST), Nomi, Japan
| | - Yen Pin Yew
- Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
| | - Sin-Yeang Teow
- Department of Medical Sciences, School of Medical and Life Sciences (SMLS), Sunway University, Jalan Universiti, Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Hassan Moeini
- School of Medicine, Institute of Virology, Technical University of Munich, Munich, Germany
- *Correspondence: Kamyar Shameli, ; Hassan Moeini,
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Carla Guimarães Sobrinho A, Silva Corpes R, Isabel Portilho dos Santos K, Maria Menezes Barra I, Kiyoshi Miyagawa H, Silva Santos A. Untargeted GC-MS Metabolomics applied to wild leaves and callus produced by plant tissue culture of Hibiscus sabdariffa L. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Szewczyk A, Brzezińska-Rojek J, Ośko J, Majda D, Prokopowicz M, Grembecka M. Antioxidant-Loaded Mesoporous Silica-An Evaluation of the Physicochemical Properties. Antioxidants (Basel) 2022; 11:antiox11071417. [PMID: 35883907 PMCID: PMC9312088 DOI: 10.3390/antiox11071417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/13/2022] [Accepted: 07/19/2022] [Indexed: 02/05/2023] Open
Abstract
The dangerous effects of oxidative stress can be alleviated by antioxidants—substances with the ability to prevent damage caused by reactive oxygen species. The adsorption of antioxidants onto nanocarriers is a well-known method that might protect them against rough environ-mental conditions. The aim of this study was to investigate the adsorption and desorption of gallic acid (GA), protocatechuic acid (PCA), chlorogenic acid (CGA), and 4-hydroxybenzoic acid (4-HBA) using commercially available mesoporous silica materials (MSMs), both parent (i.e., SBA-15 and MCM-41) and surface functionalized (i.e., SBA-NH2 and SBA-SH). The MSMs loaded with active compounds were characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), thermoporometry (TPM), and powder X-ray diffraction (XRD). High-performance liquid chromatography (HPLC-CAD) was used to evaluate the performance of the adsorption and desorption processes. The antioxidant potential was investigated using the Folin−Ciocalteu (FC) spectrophotometric method. Among the studied MSMs, the highest adsorption of GA was observed for amine-modified SBA-15 mesoporous silica. The adsorption capacity of SBA-NH2 increased in the order of PCA, 4-HBA < GA < CGA. Different desorption effectiveness levels of the adsorbed compounds were observed with the antioxidant capacity preserved for all investigated compounds.
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Affiliation(s)
- Adrian Szewczyk
- Department of Physical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Gen. J. Hallera Avenue 107, 80-416 Gdańsk, Poland;
| | - Joanna Brzezińska-Rojek
- Department of Bromatology, Faculty of Pharmacy, Medical University of Gdańsk, Gen. J. Hallera Avenue 107, 80-416 Gdańsk, Poland; (J.B.-R.); (J.O.)
| | - Justyna Ośko
- Department of Bromatology, Faculty of Pharmacy, Medical University of Gdańsk, Gen. J. Hallera Avenue 107, 80-416 Gdańsk, Poland; (J.B.-R.); (J.O.)
| | - Dorota Majda
- Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387 Kraków, Poland;
| | - Magdalena Prokopowicz
- Department of Physical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Gen. J. Hallera Avenue 107, 80-416 Gdańsk, Poland;
- Correspondence: (M.P.); (M.G.)
| | - Małgorzata Grembecka
- Department of Bromatology, Faculty of Pharmacy, Medical University of Gdańsk, Gen. J. Hallera Avenue 107, 80-416 Gdańsk, Poland; (J.B.-R.); (J.O.)
- Correspondence: (M.P.); (M.G.)
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Protocatechuic acid as a potent anticarcinogenic compound in purple rice bran against diethylnitrosamine-initiated rat hepatocarcinogenesis. Sci Rep 2022; 12:10548. [PMID: 35732709 PMCID: PMC9217852 DOI: 10.1038/s41598-022-14888-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/14/2022] [Indexed: 11/15/2022] Open
Abstract
Our previous study demonstrated that purple rice bran extract (PRBE) could inhibit diethylnitrosamine (DEN)-induced hepatocarcinogenesis. Protocatechuic acid (PCA) is the major phenolic acid contained in the PRBE. Therefore, this study aimed to determine whether PCA is an anticarcinogenic compound in purple rice extract. Rats were intraperitoneally injected with DEN to induce glutathione S-transferase placental form (GST-P)-positive foci. Rats were fed with PRBE at 500 mg kg−1 body weight or PCA at 4 mg kg−1 body weight for 5 and 15 weeks. PCA administration attenuated DEN-induced hepatic GST-P positive foci to a degree similar to PRBE. The molecular mechanisms of PCA in the initiation stage were correlated with reduced activity of cytochrome P450 reductase and induction of glutathione S-transferase. In addition, PCA also downregulated the expression of TNF-α and IL-1β genes in rat liver. These genes are associated with the inhibition of inflammation. In the promotion stage, PCA suppressed cell proliferation correlated with the downregulation of Cyclin D1 expression. Moreover, it also induced apoptosis, indicated by increased expression of P53 and Bad genes, and decreased the expression of the anti-apoptotic Bcl-xl in DEN-initiated rats. These findings suggest that PCA is an active compound in the anticarcinogenic action of purple rice bran.
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Sur B, Kwon S, Hahm DH, Lee B. The Anxiolytic-Like Effects of Protocatechuic Acid in an Animal Model of Post-Traumatic Stress Disorder. J Med Food 2022; 25:495-502. [PMID: 35561272 DOI: 10.1089/jmf.2021.k.0172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) is a serious psychiatric disorder characterized by impaired fear extinction, depression, and anxiety caused by dysregulation of the hypothalamic-pituitary-adrenal axis and an imbalance of monoamines. Protocatechuic acid (PCA; 3,4-dihydroxybenzoic acid), a major polyphenol metabolite, has various pharmacological effects, such as anti-inflammatory, antioxidant, anti-apoptotic, and neuroprotective activities. In this study, the efficacy of PCA for fear extinction, antidepressant, and anxiolytic effects in PTSD-mediated psychiatric disorders, were evaluated by exposing rats to single prolonged stress (SPS). Male rats were administered PCA (100 or 200 mg/kg) once daily for 14 days after exposure to SPS. PCA significantly decreased situational fear, depressive and anxiety-like behaviors, and corticosterone levels. In addition, PCA regulated the imbalance of serotonin and norepinephrine in the fear circuit region (i.e., the medial prefrontal cortex and hippocampus [Hipp]), and suppressed the decrease in brain-derived neurotrophic factor mRNA expression in the Hipp. The results showed that PCA administration improves freezing behavior and has antidepressant and anti-anxiety effects through modulation of the serotonergic nervous system and monoamines in rats. These results indicated that PCA may be useful as a food ingredient to prevent PTSD.
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Affiliation(s)
- Bongjun Sur
- Acupuncture and Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Sunoh Kwon
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, Korea
| | - Dae-Hyun Hahm
- Acupuncture and Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Bombi Lee
- Acupuncture and Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea.,Center for Converging Humanities, Kyung Hee University, Seoul, Republic of Korea
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14
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Moreno-Ortega A, Di Pede G, Mena P, Calani L, Del Rio D, Moreno-Rojas JM, Pereira-Caro G. Effects of colonic fermentation on the stability of fresh and black onion bioactives. Food Funct 2022; 13:4432-4444. [PMID: 35302133 DOI: 10.1039/d1fo04240h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The health properties related to onion intake are attributed mainly to the presence of bioactive compounds, particularly phenolic and organosulfur compounds (OSCs). The aim of this study was to investigate, for the first time, the effect of an in vitro colonic fermentation on the stability of phenolic and OSCs of fresh and black onion by ultra-high-performance liquid chromatography coupled with mass spectrometry with a linear ion trap (UHPLC-LIT-MS). Throughout colonic fermentation, fresh onion showed an increase in the total phenolic content of 45%, mainly due to an increase in the content of the flavonoid family, while the OSCs remained stable along the fermentation. Black onion presented a different behaviour, showing significant decreases in total (poly)phenol and OSC content, 22 and 48%, respectively. The main compounds found after the in vitro colonic fermentation of fresh onion were isorhamnetin (141 μmol L-1), quercetin (95 μmol L-1), 3,4-dihydroxybenzoic acid (53 μmol L-1), methionine sulfoxide (100 μmol L-1) and S-allylcysteine (SAC) (21.7 μmol L-1), whereas 3,4-dihydroxybenzoic acid (70 μmol L-1), 4-hydroxyphenylacetic acid (68 μmol L-1), methionine sulfoxide (82 μmol L-1) and S-propylmercapto-L-cysteine (SPMC) (10.1 μmol L-1) accounted for the highest concentrations of phenolics and OSCs in fermented black onion. These compounds, presumably present for their absorption and action at the colonic level, could be related to the health benefits of regular consumption of fresh and black onion.
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Affiliation(s)
- Alicia Moreno-Ortega
- Departamento de Bromatología y Tecnología de los Alimentos, Campus Rabanales, Ed. Darwin-anexo Universidad de Córdoba, 14071 Córdoba, Spain.,Foods for Health Group, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
| | - Giuseppe Di Pede
- Department of Food and Drugs, University of Parma, 43124 Parma, Italy
| | - Pedro Mena
- Department of Food and Drugs, University of Parma, 43124 Parma, Italy.,Microbiome Research Hub, University of Parma, 43124 Parma, Italy
| | - Luca Calani
- Department of Food and Drugs, University of Parma, 43124 Parma, Italy
| | - Daniele Del Rio
- Department of Food and Drugs, University of Parma, 43124 Parma, Italy.,Microbiome Research Hub, University of Parma, 43124 Parma, Italy
| | - José Manuel Moreno-Rojas
- Foods for Health Group, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain. .,Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Alameda del Obispo, Avda. Menéndez-Pidal, 14004 Córdoba, Spain
| | - Gema Pereira-Caro
- Foods for Health Group, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain. .,Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Alameda del Obispo, Avda. Menéndez-Pidal, 14004 Córdoba, Spain
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15
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Na Takuathung M, Jaijoy K, Soonthornchareonnon N, Sireeratawong S. Anti-inflammatory, Antinociceptive, and Antitumorigenesis Activities of Terminalia Bellerica (Gaertn.) Roxb. in Animal Models. Nat Prod Commun 2022. [DOI: 10.1177/1934578x221089996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Previous pharmacological research has demonstrated that Terminalia bellerica (Gaertn.) Roxb. (TB) extract possesses several pharmacological activities. However, there is scant evidence documenting the therapeutic activities of TB extract on inflammation, pain, and cancers. Our study examined the in vivo anti-inflammation, antinociception, and antitumorigenesis effects of TB extract and investigated possible mechanisms for those effects. Anti-inflammation activities of TB extract were evaluated using ethyl phenylpropiolate (EPP)- and arachidonic acid (AA)-induced ear edema models, a cotton pellet-induced granulation formation model, and a carrageenan-induced hind paw edema model. An antinociceptive property of TB extract was assessed using a formalin-induced nociception test. An anticarcinogenesis effect was investigated using a 7,12-dimethylbenz( a) anthracene (DMBA) and 12- O-tetradecanoylphorbol-13-acetate (TPA)-induced tumorigenesis model. In the study, TB extract exhibited significant anti-inflammatory effects against EPP-induced ear edema and carrageenan-induced hind paw edema in rats. However, the TB extract showed insignificant inhibitory activity against AA-induced ear edema and cotton pellet-induced granuloma. A dose-dependent decrease in analgesic activity was observed with TB extract evidenced by decreased licking time in formalin-induced pain in mice in both the early and late phases. TB extract also significantly inhibited DMBA/TPA-induced mouse skin tumorigenesis. In conclusion, TB extract possesses anti-inflammatory, analgesic, and anticarcinogenesis properties which act, at least in part, through inhibitory effects of inflammatory mediator production.
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Affiliation(s)
- Mingkwan Na Takuathung
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kanjana Jaijoy
- McCormick Faculty of Nursing, Payap University, Chiang Mai, Thailand
| | | | - Seewaboon Sireeratawong
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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16
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Bellifa K, Mekelleche SM. Computational Investigation of the Antioxidant Activity of Dihydroxybenzoic Acids in Aqueous and Lipid Media. JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2022. [DOI: 10.1142/s2737416522500089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Reactive free radicals have both beneficial and destructive effects. Indeed, at physiological levels, free radicals help to preserve homeostasis by acting as signal transducers. However, excessive generation of free radicals can harm and damage membranes, proteins, and DNA, among other cell structures. Dihydroxybenzoic acids (DHBAs) have proven their antioxidant capacity against a large variety of free radicals, as well as their ability to inhibit or restrict reactive species overproduction. In this paper, a computational analysis of the antioxidant activity of a series of DHBAs in polar and nonpolar media was carried out at the DFT/M06-2X/6-[Formula: see text] level of theory. The implicit SMD solvation model was used in order to rationalize the experimental findings and to investigate the solvent effect on the mechanism and the radical scavenging ability. The obtained results put in evidence that HAT is the predominant mechanism in nonpolar media, whereas SPLET is more favored in polar environment. The BDE[Formula: see text], [Formula: see text], and [Formula: see text] descriptors are used to predict the most reactive hydroxyl groups and the antioxidant activity order of the studied DHBAs. Our results are in total agreement with experimental findings (inhibition of lipid peroxidation and scavenging of hydrogen peroxide). Moreover, this study shows that the substitution of the hydrogen atom by strong electron-donating groups, namely NMe2, in the ortho positions of the best experimental DHBAs leads to a significant enhancement of their antioxidant activity.
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Affiliation(s)
- Khadidja Bellifa
- Laboratory of Applied Thermodynamics and Molecular Modeling, Department of Chemistry, Faculty of Science, University of Tlemcen, PB 119, Tlemcen 13000, Algeria
| | - Sidi Mohamed Mekelleche
- Laboratory of Applied Thermodynamics and Molecular Modeling, Department of Chemistry, Faculty of Science, University of Tlemcen, PB 119, Tlemcen 13000, Algeria
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17
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Guo S, Duan W, Wang Y, Chen L, Yang C, Gu X, Xue Q, Li R, Zhang Z. Component Analysis and Anti-Colorectal Cancer Mechanism via AKT/mTOR Signalling Pathway of Sanghuangporus vaninii Extracts. Molecules 2022; 27:molecules27041153. [PMID: 35208943 PMCID: PMC8880221 DOI: 10.3390/molecules27041153] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 02/01/2023] Open
Abstract
Sanghuangporus vaninii (Ljub.) L.W. Zhou & Y.C. Dai (SV) is a major cultivar of Sanghuang, which is well known as an excellent anti-tumour drug and reaches the mainstream market in China. Water, 60% ethanol and 95% ethanol were used to extract the drug, and three kinds of polar extracts were obtained separately. Compared with water extracts and 95% ethanol extracts, the 60% ethanol extract had the highest flavonoid content, and its polysaccharide content was greater than that in the 95% ethanol extract and lower than that in the water extract. Its essential components were phenolics whose majority were phenolic acids, flavonoids and phenylpropanoids. This extract has better inhibition effects on the proliferation of SW480 human colon cancer cells, inducing cell apoptosis and blocking G2/M period cells. It can significantly inhibit gene expression and reduce the activation of the AKT/mTOR signalling pathway. The anti-cancer activity of the 60% ethanol extract is satisfactory and may be a result of the combined effects of polysaccharides and flavonoids. The data suggest that the 60% ethanol extract can be used as an adjuvant for chemotherapy and as a potential anti-cancer agent with broad development prospects.
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Affiliation(s)
- Shanshan Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
| | - Wenwen Duan
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
| | - Yaxin Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
| | - Liangmian Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
| | - Chenchen Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xuezhu Gu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
| | - Qinghai Xue
- The TCM Clinic of China Academy, China Academy of Chinese Medical Sciences, Beijing 100700, China;
| | - Raorao Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
- Correspondence: (R.L.); (Z.Z.); Tel.: +86-10-13366939025 (R.L.); +86-10-15901052679 (Z.Z.); Fax: +86-10-64013996 (R.L. & Z.Z.)
| | - Zhijie Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (S.G.); (W.D.); (Y.W.); (L.C.); (C.Y.); (X.G.)
- Correspondence: (R.L.); (Z.Z.); Tel.: +86-10-13366939025 (R.L.); +86-10-15901052679 (Z.Z.); Fax: +86-10-64013996 (R.L. & Z.Z.)
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18
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AlQathama A, Bader A, Al-Rehaily A, Gibbons S, Prieto JM. In vitro cytotoxic activities of selected Saudi medicinal plants against human malignant melanoma cells (A375) and the isolation of their active principles. Eur J Integr Med 2022. [DOI: 10.1016/j.eujim.2021.102083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Chigozie VU, Okezie MU, Ajaegbu EE, Okoye FB, Esimone CO. Bioactivities and HPLC analysis of secondary metabolites of a morphologically identified endophytic Aspergillus fungus isolated from Mangifera indica. Nat Prod Res 2021; 36:5884-5888. [DOI: 10.1080/14786419.2021.2021517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Victor U. Chigozie
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
| | - Moses U. Okezie
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
| | - Eze E. Ajaegbu
- Department of Applied Sciences, Faculty of Pure and Applied Sciences, Federal College of Dental Technology and Therapy, Trans-Ekulu, Nigeria
| | - Festus B. Okoye
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
| | - Charles O. Esimone
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
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20
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Not Only a Weed Plant-Biological Activities of Essential Oil and Hydrosol of Dittrichia viscosa (L.) Greuter. PLANTS 2021; 10:plants10091837. [PMID: 34579370 PMCID: PMC8470837 DOI: 10.3390/plants10091837] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 01/12/2023]
Abstract
With the increasing interest in obtaining biologically active compounds from natural sources, Dittrichia viscosa (L.) Greuter (Asteraceae) came into our focus as a readily available and aromatic wild shrub widely distributed in the Mediterranean region. This work provides a phytochemical profile of D. viscosa in terms of parallel chemical composition in the lipophilic fraction (essential oil) and the water fraction (hydrosol). GC-MS analysis identified 1,8-cineole, caryophyllene oxide, α-terpenyl acetate, and α-muurolol as the major components of the essential oil, while in the hydrosol p-menth-1-en-9-ol, 1,8-cineole, linalool, cis-sabinene hydrate, and α-muurolol were the major volatile components. 3,4-Dihydroxybenzoic acid was found to be the predominant compound in the hydrosol composition by HPLC analysis. The antimicrobial potential of both extracts was evaluated against thirteen opportunistic pathogens associated with common skin and wound infections and emerging food spoilage microorganisms. The antimicrobial activity of the essential oil suggests that the volatiles of D. viscosa could be used as novel antimicrobial agents. The antiproliferative results of D. viscosa volatiles are also new findings, which showed promising activity against three cancer cell lines: HeLa (cervical cancer cell line), HCT116 (human colon cancer cell line), and U2OS (human osteosarcoma cell line). The decrease in GSH level observed in hydrosol-treated HeLa cells suggests oxidative stress as a possible mechanism of the antiproliferative effect of hydrosol on tumor cells. The presented results are also the first report of significant antiphytoviral activity of hydrosol against tobacco mosaic virus (TMV) infection. Based on the results, D. viscosa might have the potential to be used in crop protection, as a natural disinfectant and natural anticancer agent.
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21
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Production of Protocatechuic Acid from p-Hydroxyphenyl (H) Units and Related Aromatic Compounds Using an Aspergillus niger Cell Factory. mBio 2021; 12:e0039121. [PMID: 34154420 PMCID: PMC8262893 DOI: 10.1128/mbio.00391-21] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Protocatechuic acid (3,4-dihydroxybenzoic acid) is a chemical building block for polymers and plastics. In addition, protocatechuic acid has many properties of great pharmaceutical interest. Much research has been performed in creating bacterial protocatechuic acid production strains, but no protocatechuic acid-producing fungal cell factories have been described. The filamentous fungus Aspergillus niger can produce protocatechuic acid as an intermediate of the benzoic acid metabolic pathway. Recently, the p-hydroxybenzoate-m-hydroxylase (phhA) and protocatechuate 3,4-dioxygenase (prcA) of A. niger have been identified. It has been shown that the prcA deletion mutant is still able to grow on protocatechuic acid. This led to the identification of an alternative pathway that converts protocatechuic acid to hydroxyquinol (1,3,4-trihydroxybenzene). However, the gene involved in the hydroxylation of protocatechuic acid to hydroxyquinol remained unidentified. Here, we describe the identification of protocatechuate hydroxylase (decarboxylating) (PhyA) by using whole-genome transcriptome data. The identification of phyA enabled the creation of a fungal cell factory that is able to accumulate protocatechuic acid from benzyl alcohol, benzaldehyde, benzoic acid, caffeic acid, cinnamic acid, cinnamyl alcohol, m-hydroxybenzoic acid, p-hydroxybenzyl alcohol, p-hydroxybenzaldehyde, p-hydroxybenzoic acid, p-anisyl alcohol, p-anisaldehyde, p-anisic acid, p-coumaric acid, and protocatechuic aldehyde. IMPORTANCE Aromatic compounds have broad applications and are used in many industries, such as the cosmetic, food, fragrance, paint, plastic, pharmaceutical, and polymer industries. The majority of aromatic compounds are synthesized from fossil sources, which are becoming limited. Plant biomass is the most abundant renewable resource on Earth and can be utilized to produce chemical building blocks, fuels, and bioplastics through fermentations with genetically modified microorganisms. Therefore, knowledge about the metabolic pathways and the genes and enzymes involved is essential to create efficient strategies for producing valuable aromatic compounds such as protocatechuic acid. Protocatechuic acid has many pharmaceutical properties but also can be used as a chemical building block to produce polymers and plastics. Here, we show that the fungus Aspergillus niger can be engineered to produce protocatechuic acid from plant-derived aromatic compounds and contributes to creating alternative methods for the production of platform chemicals. .
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Ferreira T, Nascimento-Gonçalves E, Macedo S, Borges I, Gama A, M Gil da Costa R, Neuparth MJ, Lanzarin G, Venâncio C, Félix L, Gaivão I, Alvarado A, Pires MJ, Bastos MMSM, Medeiros R, Nogueira A, Barros L, Ferreira ICFR, Rosa E, Oliveira PA. Toxicological and anti-tumor effects of a linden extract ( Tilia platyphyllos Scop.) in a HPV16-transgenic mouse model. Food Funct 2021; 12:4005-4014. [PMID: 33978005 DOI: 10.1039/d1fo00225b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Tilia platyphyllos Scop. is a popular broad-leaved tree, native to Central and Southern Europe. Hydroethanolic extracts rich in phenolic compounds obtained from T. platyphyllos Scop. have shown in vitro antioxidant, anti-inflammatory and antitumor properties. The aim of this work was to evaluate the therapeutic properties of a hydroethanolic extract obtained from T. platyphyllos in HPV16-transgenic mice. The animals were divided into eight groups according to their sex and phenotype. Four groups of female: HPV+ exposed to linden (HPV linden; n = 6), HPV+ (HPV water; n = 4), HPV- exposed to linden (WT linden; n = 5) and HPV- (WT water; n = 4) and four groups of male: HPV+ exposed to linden (HPV linden; n = 5), HPV+ (HPV water; n = 5), HPV- exposed to linden (WT linden; n = 5) and HPV- (WT water; n = 7). The linden (Tilia platyphyllos Scop.) extract was orally administered at a dose of 4.5 mg/10 mL per animal (dissolved in water) and changed daily for 33 days. The hydroethanolic extract of T. platyphyllos consisted of protocatechuic acid and (-)-epicatechin as the most abundant phenolic acid and flavonoid, respectively, and was found to be stable during the studied period. In two male groups a significant positive weight gain was observed but without association with the linden extract. Histological, biochemical, and oxidative stress analyses for the evaluation of kidney and liver damage support the hypothesis that the linden extract is safe and well-tolerated under the present experimental conditions. Skin histopathology does not demonstrate the chemopreventive effect of the linden extract against HPV16-induced lesions. The linden extract has revealed a favourable toxicological profile; however, additional studies are required to determine the chemopreventive potential of the linden extract.
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Affiliation(s)
- Tiago Ferreira
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Elisabete Nascimento-Gonçalves
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Sara Macedo
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Inês Borges
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Adelina Gama
- Animal and Veterinary Research Centre (CECAV), UTAD, Vila Real, Portugal
| | - Rui M Gil da Costa
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal. and Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portuguese Institute of Oncology of Porto (IPO-Porto), Porto, Portugal and LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal and Postgraduate Programme in Adult Health (PPGSAD), Tumour and DNA Biobank, Federal University of Maranhão (UFMA), São Luís, Brazil
| | - Maria J Neuparth
- CESPU, Institute of Research and Advanced Training in Health Sciences and Technologies, Gandra, Portugal
| | - Germano Lanzarin
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Carlos Venâncio
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Luís Félix
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal. and i3s, LAS, IBMC, UP, Porto, Portugal
| | - Isabel Gaivão
- Department of Genetic and Biotechnology and CECAV, UTAD, Vila Real, Portugal
| | - Antonieta Alvarado
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal. and Faculty of Veterinary Medicine, Lusophone University of Humanities and Technologies, Lisbon, Portugal
| | - Maria J Pires
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Margarida M S M Bastos
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portuguese Institute of Oncology of Porto (IPO-Porto), Porto, Portugal and Faculty of Medicine, University of Porto (FMUP), Porto, Portugal and Virology Service, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal and CEBIMED, Faculty of Health Sciences, Fernando Pessoa University, Porto, Portugal and Research Department of the Portuguese League Against Cancer-Regional Nucleus of the North (Liga Portuguesa Contra o Cancro-Núcleo Regional do Norte), Porto, Portugal
| | - António Nogueira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Eduardo Rosa
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Paula A Oliveira
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
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Huang H, Jiang W, Hong K, Cai J, He Y, Ma X, Wu P, Lang J, Ma Y, Huang C, Yuan J. Protocatechualdehyde inhibits receptor activator of nuclear factor kappa-B ligand-induced osteoclastogenesis and attenuates lipopolysaccharide-induced inflammatory osteolysis. Phytother Res 2021; 35:3821-3835. [PMID: 33778997 DOI: 10.1002/ptr.7088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 02/22/2021] [Accepted: 02/22/2021] [Indexed: 12/31/2022]
Abstract
Inflammatory osteolysis as a consequence of chronic bacterial infection underlies several lytic bone conditions, such as otitis media, osteomyelitis, septic arthritis, periodontitis, periprosthetic infection, and aseptic loosening of orthopedic implants. In consideration of the lack of effective preventive or treatments options against infectious osteolysis, the exploitation of novel pharmacological compounds/agents is critically required. The present study assessed the effect of protocatechualdehyde (PCA), a natural occurring polyphenolic compound with diverse biological activities including but not limited to antibacterial and antiinflammatory properties, on nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis in vitro and lipopolysaccharide (LPS)-induced bone loss in vivo. In the present study, it was found that PCA potently inhibited RANKL-induced osteoclast formation, fusion, and activation toward bone resorption in a dose-dependent manner via the suppression of the ERK/c-Fos/nuclear factor of activated T-cells, cytoplasmic 1 signaling axis. It was further demonstrated that the in vivo administration of PCA could effectively protect mice against the deleterious effects of LPS-induced calvarial bone destruction by attenuating osteoclast formation and activity in a dose-dependent manner. Collectively, these findings provided evidence for the potential therapeutic application of PCA in the prevention and treatment of infectious osteolytic conditions, and potentially other osteoclast-mediated bone diseases.
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Affiliation(s)
- Hao Huang
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Wenli Jiang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, China
| | - Kehua Hong
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jie Cai
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yongchao He
- Department of Orthopedics, The Affiliated Cangnan Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xuming Ma
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yuegang Ma
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Caiguo Huang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, China
| | - Jiandong Yuan
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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TEKİN Z, KÜÇÜKBAY FZ, DİKME A. In Vitro Antioxidant Activities of Methanol Extracts of Three Achillea Species from Turkey. JOURNAL OF THE TURKISH CHEMICAL SOCIETY, SECTION A: CHEMISTRY 2021. [DOI: 10.18596/jotcsa.867455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Wang X, Bai J, Wang W, Zhang G, Yin S, Wang D. A comparative metabolomics analysis of the halophyte Suaeda salsa and Salicornia europaea. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:1109-1122. [PMID: 32323170 DOI: 10.1007/s10653-020-00569-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/10/2020] [Indexed: 05/09/2023]
Abstract
Suaeda salsa and Salicornia europaea are both annual herbaceous species belonging to the Chenopodiaceae family, and often grow together through our observations in the Yellow River Delta Nature Reserve, and could be used as raw material to produce food and beverages in food industry due to its high nutritional value. In this study, we adopted widely targeted metabolomics to identify 822 and 694 metabolites in the leaves of S. salsa and S. europaea, respectively, to provide a basic data for the future development and utilization of these two species. We found that these two plants were rich in metabolic components with high medical value, such as flavonoids, alkaloids and coumarins. The high contents of branched chain amino acid in these two species may be an important factor for their adaptation to saline-alkali environments. In addition, the contents of glucosamine (FC = 7.70), maltose (FC = 9.34) and D-(+)-sucrose (FC = 7.19) increased significantly, and the contents of D-(+)-glucose, 2-propenyl (sinigrin) and fructose 1-phosphate were significantly increased in the leaves of S. salsa compared to S. europaea, indicating that some certain compounds in different plants have different sensitivity to salt stress. Our work provides new perspectives about important second metabolism pathways in salt tolerance between these two plants, which could be helpful for studying the tolerance mechanisms of wetland plants.
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Affiliation(s)
- Xin Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Junhong Bai
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China.
| | - Wei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Guangliang Zhang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Shuo Yin
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Dawei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
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Punvittayagul C, Chariyakornkul A, Sankam P, Wongpoomchai R. Inhibitory Effect of Thai Purple Rice Husk Extract on Chemically Induced Carcinogenesis in Rats. Molecules 2021; 26:E360. [PMID: 33445792 PMCID: PMC7828288 DOI: 10.3390/molecules26020360] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/09/2021] [Accepted: 01/09/2021] [Indexed: 11/16/2022] Open
Abstract
This study investigated the cancer chemopreventive effects of an acidic methanol extract of purple rice husk on chemically induced carcinogenesis in rats. This purple rice husk extract (PRHE) had high polyphenol contents. Vanillic acid was a major phenolic compound in PRHE. Three major anthocyanins found in PRHE were malvidin-3-glucoside, peonidin-3-glucoside and cyanidin-3-glucoside. PRHE was not toxic and clastogenic in rats. The LD50 of PRHE was greater than 2000 mg kg-1 body weight (BW). The oral administration of 300 or 1000 mg kg-1 BW of PRHE for 28 days significantly decreased the number of micronucleated hepatocytes in diethylnitrosamine-initiated rats. The inhibitory mechanisms were associated with the reduction of cytochrome P450 2E1 expression and induction of some detoxifying enzymes in the liver. In addition, treatment with 500 mg kg-1 BW of PRHE for eight weeks did not induce preneoplastic lesions in the liver and colon. It significantly inhibited hepatic glutathione-S-transferase positive foci formation induced by diethylnitrosamine and 1,2-dimethylhydrazine by suppression of hepatocyte proliferation and induction of apoptosis. In conclusion, PRHE did not present toxicity, clastogenicity or carcinogenicity in rats. It exhibited cancer chemopreventive properties against chemically induced early stages rat hepatocarcinogenesis. Anthocyanins and vanillic acid might be candidate anticarcinogenic compounds in purple rice husk.
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Affiliation(s)
- Charatda Punvittayagul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (C.P.); (A.C.)
- Research Affairs, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Arpamas Chariyakornkul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (C.P.); (A.C.)
| | - Paweena Sankam
- Sankamphaeng School, Saimun Sankamphaeng, San Kamphaeng, Chiang Mai 50130, Thailand;
| | - Rawiwan Wongpoomchai
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (C.P.); (A.C.)
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Ramkumar K, Madhunapantula S, Bovilla V, Anantharaju P, Dornadula S, Veeresh P, Kuruburu M, Bettada V. Caffeic acid and protocatechuic acid modulate Nrf2 and inhibit Ehrlich ascites carcinomas in mice. Asian Pac J Trop Biomed 2021. [DOI: 10.4103/2221-1691.314045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Krzysztoforska K, Piechal A, Blecharz-Klin K, Pyrzanowska J, Joniec-Maciejak I, Mirowska-Guzel D, Widy-Tyszkiewicz E. Effect of protocatechuic acid on cognitive processes and central nervous system neuromodulators in the hippocampus, prefrontal cortex, and striatum of healthy rats. Nutr Neurosci 2020; 25:1362-1373. [PMID: 33345757 DOI: 10.1080/1028415x.2020.1859728] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE : This study aimed to investigate the influence of protocatechuic acid (PCA) on learning, memory, and central nervous system (CNS) neuromodulators in healthy rats, to analyse whether the procognitive effects of PCA found in animal models of memory impairment and described in the literature occur in healthy individuals. METHODS : PCA was administered p.o. for 48 days at doses of 50 or 100 mg/kg body weight. The cognitive performance was analysed in behavioural tests (open field, novel object recognition, water maze). Then the animals were sacrificed and their hippocampi, prefrontal cortices and striata removed to measure the level of serotonin, dopamine (DA), noradrenaline, their metabolites and amino acids (taurine, histidine, serine, glutamic acid, aspartic acid, γ-aminobutyric acid, alanine) using high-performance liquid chromatography. RESULTS : No obvious behavioural changes were observed. Post-mortem quantification of monoamines showed that the turnover of DA in the striatum was significantly increased by PCA. Moreover, hippocampal, and cortical levels of histidine were influenced by PCA and significantly decreased. CONCLUSION : Despite many beneficial effects of PCA in experimentally developed cognitive impairments, it has no sharp effect on memory performance in healthy rats. The influence on the turnover of striatal DA and modulation of the amino acid system by affecting the concentration of histidine deserves a deeper examination due to the role of histamine in neuropsychiatric disorders as well as the functional interactions between histidine and DA metabolism in the brain.
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Affiliation(s)
- Kinga Krzysztoforska
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Agnieszka Piechal
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Kamilla Blecharz-Klin
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Justyna Pyrzanowska
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Ilona Joniec-Maciejak
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Dagmara Mirowska-Guzel
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
| | - Ewa Widy-Tyszkiewicz
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Warsaw, Poland
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Zheng J, Wu Z, Yang N, Zhou K, Hu W, Ou S, Liu P. Widely Targeted UHPLC-MS/MS Metabolomic Analysis on the Chemical Variation in Blueberry-Filled Pastries During Processing. Front Nutr 2020; 7:569172. [PMID: 33240917 PMCID: PMC7680857 DOI: 10.3389/fnut.2020.569172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/26/2020] [Indexed: 12/19/2022] Open
Abstract
The majority of components in fruits are sensitive to heat-processing. Nevertheless, fruits are becoming popular ingredients in processed foods, like bakery foods. Therefore, the fate of the components in the fruit-involved food during thermal processing is important for the assessment of their nutritional values and sensory properties. Unfortunately, comprehensive knowledge of the compositional alteration in real food products during processing is limited. In the current study, a popular bakery food, blueberry-filled pastry, was taken as the object, and a widely targeted metabolomic approach was applied to investigate the holistic compositional variation of blueberry filling during pastry preparation. Amongst the total of 630 chemicals identified, 288 chemicals were screened as differential compounds between samples collected at different processing stages. The most variation of the chemicals was observed during the process of stir-frying. A total of 197 chemicals varied significantly in concentrations during stir-frying, while only 75 chemicals altered significantly in contents during baking. Amongst 288 differential compounds, 117 belonged to the group of phenolic compounds, with the others found to be sugars and organic acids, amino acids, lipids, nucleotides, etc. The possible mechanisms of the chemical alterations during thermal processing were also discussed in the current study. The data provide comprehensive information on the compositional changes in berry-containing fillings during thermal processing, and hints and emphasis for further investigation of the underlying mechanisms.
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Affiliation(s)
- Jie Zheng
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Zhongjun Wu
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Nan Yang
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Kangning Zhou
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Wenzhong Hu
- College of Life Science, Dalian Minzu University, Dalian, China.,Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Dalian, China
| | - Shiyi Ou
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Pengzhan Liu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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Žatko D, Vašková J, Perjési P, Haus M, Vaško L. Pro-oxidative and antioxidant effects of salicylates. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01152-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yee Kuen C, Galen T, Fakurazi S, Othman SS, Masarudin MJ. Increased Cytotoxic Efficacy of Protocatechuic Acid in A549 Human Lung Cancer Delivered via Hydrophobically Modified-Chitosan Nanoparticles As an Anticancer Modality. Polymers (Basel) 2020; 12:E1951. [PMID: 32872307 PMCID: PMC7563361 DOI: 10.3390/polym12091951] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/31/2020] [Accepted: 07/31/2020] [Indexed: 12/13/2022] Open
Abstract
The growing incidence of global lung cancer cases against successful treatment modalities has increased the demand for the development of innovative strategies to complement conventional chemotherapy, radiation, and surgery. The substitution of chemotherapeutics by naturally occurring phenolic compounds has been touted as a promising research endeavor, as they sideline the side effects of current chemotherapy drugs. However, the therapeutic efficacy of these compounds is conventionally lower than that of chemotherapeutic agents due to their lower solubility and consequently poor intracellular uptake. Therefore, we report herein a hydrophobically modified chitosan nanoparticle (pCNP) system for the encapsulation of protocatechuic acid (PCA), a naturally occurring but poorly soluble phenolic compound, for increased efficacy and improved intracellular uptake in A549 lung cancer cells. The pCNP system was modified by the inclusion of a palmitoyl group and physico-chemically characterized to assess its particle size, Polydispersity Index (PDI) value, amine group quantification, functional group profiling, and morphological properties. The inclusion of hydrophobic palmitoyl in pCNP-PCA was found to increase the encapsulation of PCA by 54.5% compared to unmodified CNP-PCA samples whilst it only conferred a 23.4% larger particle size. The single-spherical like particles with uniformed dispersity pCNP-PCA exhibited IR bands, suggesting the successful incorporation of PCA within its core, and a hydrophobic layer was elucidated via electron micrographs. The cytotoxic efficacy was then assessed by using an MTT cytotoxicity assay towards A549 human lung cancer cell line and was compared with traditional chitosan nanoparticle system. Fascinatingly, a controlled release delivery and enhanced therapeutic efficacy were observed in pCNP-PCA compared to CNP, which is ascribed to lower IC50 values in the 72-h treatment in the pCNP system. Using the hydrophobic system, efficacy of PCA was significantly increased in 24-, 48-, and 72-h treatments compared to a single administration of the compound, and via the unmodified CNP system. Findings arising from this study exhibit the potential of using such modified nanoparticulate systems in increasing the efficacy of natural phenolic compounds by augmenting their delivery potential for better anti-cancer responses.
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Affiliation(s)
- Cha Yee Kuen
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor 43400, Malaysia; (C.Y.K.); (T.G.); (S.S.O.)
| | - Tieo Galen
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor 43400, Malaysia; (C.Y.K.); (T.G.); (S.S.O.)
| | - Sharida Fakurazi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor 43400, Malaysia;
| | - Siti Sarah Othman
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor 43400, Malaysia; (C.Y.K.); (T.G.); (S.S.O.)
| | - Mas Jaffri Masarudin
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor 43400, Malaysia; (C.Y.K.); (T.G.); (S.S.O.)
- UPM-MAKNA Cancer Research Laboratory, Institute of Biosciences, Universiti Putra Malaysia, Selangor 43400, Malaysia
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Antony FM, Wasewar K. Reactive extraction: a promising approach to separate protocatechuic acid. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:27345-27357. [PMID: 31388958 DOI: 10.1007/s11356-019-06094-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 07/26/2019] [Indexed: 06/10/2023]
Abstract
3,4-Dihydroxybenzoic acid, commonly known as protocatechuic acid, is a naturally occurring phenolic compound, being the active component of many medicinal and edible plants. The in vitro and in vivo studies of protocatechuic acid conclude that it possesses many pharmacological properties. Protocatechuic acid, present in waste streams of food processing industries, is considered a phenolic pollutant. Owing to its bactericidal properties and in order to maintain the standards of disposal, its removal from the waste streams is necessary. Protocatechuic acid finds applications also in bioplastics, polymers, and also bio-based active films to improve food preservation. Its direct extraction from plant secondary metabolites possesses many difficulties. Recently reports of protocatechuic acid production by several Bacillus species are present in literature. For the retrieval/removal of protocatechuic acid from aqueous streams, methods like adsorption, O3/UV or H2O2/UV, and microbial degradation are in practice. For the retrieval of carboxylic acid from fermentation broths and aqueous streams, reactive extraction by the use of specific extractants has been found to be a most suitable method owing to its several advantages. The present paper is focused on the separation of protocatechuic acid by reactive extraction as a promising approach. The parameters needed for the design such as distribution coefficient, water co-extraction, physical and chemical extraction, effect of initial acid concentration, diluents, extractant, and extractant concentration have been discussed.
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Affiliation(s)
- Fiona Mary Antony
- Advance Separation and Analytical Laboratory (ASAL), Department of Chemical Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur, 440010, India
| | - Kailas Wasewar
- Advance Separation and Analytical Laboratory (ASAL), Department of Chemical Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur, 440010, India.
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GC-MS metabolomics revealed protocatechuic acid as a cytotoxic and apoptosis-inducing compound from black rice brans. Food Sci Biotechnol 2020; 29:825-835. [PMID: 32523792 DOI: 10.1007/s10068-019-00725-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 11/08/2019] [Accepted: 12/15/2019] [Indexed: 01/02/2023] Open
Abstract
GC-MS metabolomics was used to discriminate the phytochemicals profile of Indonesian white, red, and black rice brans, and Japanese white rice brans. This technique was used for the first time to identify compounds in rice brans having cytotoxic activity against WiDr colon cancer cells. Orthogonal Projection to the Latent Structure (OPLS) analysis showed that protocatechuic acid (PA) was a discriminating factor found in black rice brans which strongly correlated with its cytotoxicity (IC50 8.53 ± 0.26 µM). Real time-PCR data demonstrated that PA cytotoxicity at different concentrations (1, 5, 10, 25 and 50 µg/mL) was mediated through different pathways. Bcl-2 expression was downregulated at all tested concentrations indicating apoptosis stimulation. At 1-10 ppm concentration, PA activated both intrinsic and extrinsic apoptosis pathways since the expression of p53, Bax, caspase-8, and caspase-9 were upregulated. At a higher dose (25 and 50 µg/mL), PA possibly involved in pyroptosis-mediated pro-inflammatory cell death by upregulating the expression of caspase-1 and caspase-7.
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Antony FM, Wasewar K. Effect of temperature on equilibria for physical and reactive extraction of protocatechuic acid. Heliyon 2020; 6:e03664. [PMID: 32405545 PMCID: PMC7210608 DOI: 10.1016/j.heliyon.2020.e03664] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/24/2019] [Accepted: 03/20/2020] [Indexed: 01/24/2023] Open
Abstract
Owing to its biological and chemical applications, the separation of protocatechuic acid, a polyphenol compound, is of interest to researchers. Extraction studies with initial acid concentration (0.001–0.01 kmol m−3) using aminic extractant tri-n-octyl amine (TOA) (0.2287 kmol m−3 -1.1436 kmol m−3) in diluent octanol at diverse temperature ranges from 288 K - 313 K was done. Parameters like loading ratio, distribution coefficient, equilibrium complexation constant, diffusion coefficient, number of stages necessary for protocatechuic acid counter-current extraction were obtained; this information is useful in designing a process for the in situ separation of the acid from the fermentation broth as well as from the waste streams. The increase in temperature distribution coefficient was found to increase up to the temperature of 303 K and was found to decrease with a further rise in temperature. The entropy and enthalpy values for the reaction at different temperatures were obtained. The highest extraction of 91.1 % and distribution coefficient of 1.14 were obtained at 313 K for an acid concentration of 0.01 kmol m−3, and TOA concentration of 1.1436 kmol m−3 and 4 stages are required for counter-current extraction process for acquiring the required separation efficiency. Development of 1:1 complex of protocatechuic acid and TOA take place as concluded from the values of the loading ratio.
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Affiliation(s)
- Fiona Mary Antony
- Advance Separation and Analytical Laboratory (ASAL), Department of Chemical Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur, 440010, India
| | - Kailas Wasewar
- Advance Separation and Analytical Laboratory (ASAL), Department of Chemical Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur, 440010, India
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Aguiar J, Gonçalves JL, Alves VL, Câmara JS. Chemical Fingerprint of Free Polyphenols and Antioxidant Activity in Dietary Fruits and Vegetables Using a Non-Targeted Approach Based on QuEChERS Ultrasound-Assisted Extraction Combined with UHPLC-PDA. Antioxidants (Basel) 2020; 9:antiox9040305. [PMID: 32283793 PMCID: PMC7222190 DOI: 10.3390/antiox9040305] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/26/2020] [Accepted: 04/05/2020] [Indexed: 02/07/2023] Open
Abstract
Fruits and vegetables are considered a good source of antioxidants, which are beneficial in protecting the human body against damage induced by free radicals and other reactive oxygen (ROS) and nitrogen (RNS) species. In this work, we aimed to evaluate the integral antioxidant activity (AOA) and determine individual polyphenols in fruits and vegetables of frequent consumption. For this purpose, an innovative and high throughput analytical approach based on original QuEChERS assisted by ultrasound extraction (USAE), instead of the manual agitation used in the classical procedure, was optimized and implemented for the isolation of polyphenols. The total phenolic content (TPC), flavonoids, anthocyanins, and betalains were evaluated using different spectrophotometric assays. In addition, free radical scavenging by methods 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonate) (ABTS) and 2,2'-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) were used to estimate the AOA of the investigated fruit and vegetable extracts. Red onion, tamarillo, and beetroot were the samples with the highest AOA. The quantification and identification of free low molecular weight polyphenols from QuEChERS-USAE extracts was carried out by ultra-high-pressure liquid chromatography equipped with a photodiode array detection system (UHPLC-PDA). Catechin was the most abundant polyphenol, followed by gentisic and ferulic acids, mainly in the watercress sample. In relation to flavonols, quercetin and kaempferol were found mostly in onion samples, and in small quantities in tomato and watercress. The improved analytical approach, QuEChERS-USAE/UHPLC-PDA, offers an attractive alternative for the analysis of polyphenols from fruit and vegetable samples, providing several advantages over traditional extraction techniques, in terms of reproducibility, simplicity, low cost, analysis speed, and analytical performance.
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Affiliation(s)
- Joselin Aguiar
- CQM—Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal; (J.A.); (J.L.G.); (V.L.A.)
| | - João L. Gonçalves
- CQM—Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal; (J.A.); (J.L.G.); (V.L.A.)
| | - Vera L. Alves
- CQM—Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal; (J.A.); (J.L.G.); (V.L.A.)
| | - José S. Câmara
- CQM—Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal; (J.A.); (J.L.G.); (V.L.A.)
- Faculdade de Ciências Exactas e da Engenharia, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
- Correspondence: ; Tel.: +351-291705112; Fax: +351-291705149
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Jia Q, Zhang S, Zhang H, Yang X, Cui X, Su Z, Hu P. A Comparative Study on Polyphenolic Composition of Berries from the Tibetan Plateau by UPLC-Q-Orbitrap MS System. Chem Biodivers 2020; 17:e2000033. [PMID: 32119759 DOI: 10.1002/cbdv.202000033] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/02/2020] [Indexed: 11/06/2022]
Abstract
Five traditional medicinal food from the Tibetan plateau including Nitraria tangutorum Bobrov (NT), Hippophae rhamnoides L. (HR), Lycium ruthenicum Murray (LR), Lycium barbarum L. (LB) and Rubus corchorifolius L.f. (RC) are rich in phenolic compounds. However, the detailed studies about the phenolic compounds remain scarce. Therefore, we established a rapid method for the simultaneous identification and quantification of the phenolic compounds from berries via Ultra Performance Liquid Chromatography-Quadruple-Orbitrap MS system (UPLC-Q-Orbitrap MS). This method was verified from many aspects including detection limit, quantification limit, precision, repeatability, stability, average recovery rate and recovery range, and then was used to analyze the phenolic compounds in these five species of berries. Finally, a total of 21 phenolic compounds were directly identified by comparing the retention time and exact mass, of which 14 compounds were identified by us for the first time in berries from the Tibetan plateau, including one flavonoid aglycone (myricetin), 11 phenolic acids (gallic acid, protocatechuate, chlorogenic acid, vanillic acid, caffeic acid, syringic acid, p-coumaric acid, ferulic acid, 2-hydroxybenzeneacetic acid and ellagic acid), one flavanol (catechin) and one dihydrochalcone flavonoid (phloretin). Quantitative results showed that rutin, myricetin, quercetin and kaempferol were the main flavonoids. Moreover, a variety of phenolic acid compounds were also detected in most of the berries from the Tibetan plateau. Among these compounds, the contents of protocatechuate and chlorogenic acid were high, and high levels of catechin and phloretin were also detected in these plateau berries.
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Affiliation(s)
- Qiangqiang Jia
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China.,State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, P. R. China
| | - Shoude Zhang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, P. R. China
| | - Hongyang Zhang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Xijuan Yang
- Tibetan Plateau Key Laboratory of Agric-Product Processing, Qinghai Academy of Agricultural and Forestry Sciences, Xining, 810016, P. R. China
| | - Xinli Cui
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, P. R. China
| | - Zhanhai Su
- Department of Pharmacy, Medical College of Qinghai University, Xining, 810001, P. R. China
| | - Ping Hu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
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Pérez-Manríquez J, Escalona N, Pérez-Correa J. Bioactive Compounds of the PVPP Brewery Waste Stream and their Pharmacological Effects. MINI-REV ORG CHEM 2020. [DOI: 10.2174/1570193x16666190723112623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Beer, one of the most commonly consumed alcoholic beverages, is rich in polyphenols
and is the main dietary source of xanthohumol and related prenylflavonoids. However, to avoid haze
formation caused by the interaction between polyphenols and proteins, most phenolic compounds are
removed from beer and lost in the brewery waste stream via polyvinylpolypyrrolidone (PVPP)
adsorption. This waste stream contains several polyphenols with high antioxidant capacity and pharmacological
effects; that waste could be used as a rich, low-cost source of these compounds, though
little is known about its composition and potential attributes. This work aims to review the polyphenols
present in this brewery waste stream, as well as the health benefits associated with their consumption.
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Affiliation(s)
- J. Pérez-Manríquez
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Catolica de Chile, Vicuna Mackenna 4860, Macul, Santiago, Chile
| | - N. Escalona
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Catolica de Chile, Vicuna Mackenna 4860, Macul, Santiago, Chile
| | - J.R. Pérez-Correa
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Catolica de Chile, Vicuna Mackenna 4860, Macul, Santiago, Chile
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Zhang J, Fu B, Chen X, Chen D, Yang H. Protocatechuic acid attenuates anterior cruciate ligament transection-induced osteoarthritis by suppressing osteoclastogenesis. Exp Ther Med 2019; 19:232-240. [PMID: 31853294 PMCID: PMC6909799 DOI: 10.3892/etm.2019.8189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 10/02/2019] [Indexed: 01/03/2023] Open
Abstract
Osteoarthritis (OA) is related to over-proliferation or differentiation of osteoclasts. Although protocatechuic acid (PCA) has been identified to inhibit osteoclast differentiation and stimulate apoptosis in mature osteoclasts, whether it can relieve OA is still unknown. The present study aimed to investigate the effect of PCA on anterior cruciate ligament transection (ACLT)-induced OA and the potential mechanisms of action behind this effect. ACLT was performed on rats, which were then treated with or without PCA. C-terminal telopeptide of type I collagen (CTX-I) and CTX-II were tested in knee joint protein extracts by ELISA. Damage to cartilage was evaluated using Safranin-O/Fast Green staining. Osteoclast-related gene and protein expression was assessed through reverse transcription-quantitative PCR and western blotting. Tartrate-resistant acid phosphatase (TRAP) staining and functional bone resorption pit assays were performed using RAW264.7 murine macrophage cells to determine the effects of PCA on osteoclastic formation and function, respectively, in vitro. Finally, the activity of osteoclastogenesis-related signaling pathways was evaluated by western blotting. Levels of CTX-II were relatively decreased and Safranin-O/fast green staining indicated milder changes in the articular cartilage in the PCA treatment group. PCA downregulated osteoclast specific markers and suppressed receptor activator of nuclear factor-κB ligand-induced formation of TRAP-positive multinucleated cells, bone-resorption and pit formation. Mitogen-activated protein kinase (MAPK) and Akt signaling as well as the downstream factors, were downregulated by PCA. In conclusion, the present study demonstrated that PCA attenuated ACLT-induced OA by suppressing osteoclastogenesis by inhibiting the MAPK, ATK and NF-κB signaling pathways.
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Affiliation(s)
- Jialin Zhang
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Bin Fu
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Xiaolei Chen
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Desheng Chen
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Hao Yang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China
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Lin M, Han P, Li Y, Wang W, Lai D, Zhou L. Quinoa Secondary Metabolites and Their Biological Activities or Functions. Molecules 2019; 24:E2512. [PMID: 31324047 PMCID: PMC6651730 DOI: 10.3390/molecules24132512] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/03/2019] [Accepted: 07/03/2019] [Indexed: 02/07/2023] Open
Abstract
Quinoa (Chenopodium quinoa Willd.) was known as the "golden grain" by the native Andean people in South America, and has been a source of valuable food over thousands of years. It can produce a variety of secondary metabolites with broad spectra of bioactivities. At least 193 secondary metabolites from quinoa have been identified in the past 40 years. They mainly include phenolic acids, flavonoids, terpenoids, steroids, and nitrogen-containing compounds. These metabolites exhibit many physiological functions, such as insecticidal, molluscicidal and antimicrobial activities, as well as various kinds of biological activities such as antioxidant, cytotoxic, anti-diabetic and anti-inflammatory properties. This review focuses on our knowledge of the structures, biological activities and functions of quinoa secondary metabolites. Biosynthesis, development and utilization of the secondary metabolites especially from quinoa bran were prospected.
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Affiliation(s)
- Minyi Lin
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Peipei Han
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Yuying Li
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Weixuan Wang
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Daowan Lai
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Ligang Zhou
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China.
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Dokkaew A, Punvittayagul C, Insuan O, Limtrakul Dejkriengkraikul P, Wongpoomchai R. Protective Effects of Defatted Sticky Rice Bran Extracts on the Early Stages of Hepatocarcinogenesis in Rats. Molecules 2019; 24:molecules24112142. [PMID: 31174320 PMCID: PMC6600176 DOI: 10.3390/molecules24112142] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 05/26/2019] [Accepted: 06/04/2019] [Indexed: 12/31/2022] Open
Abstract
Use of natural products is one strategy to lessen cancer incidence. Rice bran, especially from colored rice, contains high antioxidant activity. Cancer chemopreventive effects of hydrophilic purple rice bran extract (PRBE) and white rice bran extract (WRBE) on carcinogen-induced preneoplastic lesion formation in livers of rats were investigated. A 15-week administration of PRBE and WRBE did not induce hepatic glutathione S-transferase placental form (GST-P) positive foci formation as the biomarker of rat hepatocarcinogenesis. PRBE and WRBE at 500 mg/kg body weight significantly decreased number and size of GST-P positive foci in diethylnitrosamine (DEN)-initiated rats. The number of proliferating nuclear antigen positive hepatocytes were also reduced in preneoplastic lesions in both PRBE and WRBE fed DEN-treated rats. Notably, the inhibitory effect on GST-P positive foci formation induced by DEN during the initiation stage was found only in rats treated by PRBE for five weeks. Furthermore, PRBE attenuated the expression of proinflammatory cytokines involving genes including TNF-α, iNOS, and NF-κB. PBRE contained a higher number of anthocyanins and other phenolic compounds and vitamin E. PRBE might protect DEN-induced hepatocarcinogenesis in rats via attenuation of cellular inflammation and cell proliferation. Anthocyanins and other phenolic compounds, as well as vitamin E, might play a role in cancer chemopreventive activity in rice bran extract.
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Affiliation(s)
- Aphisit Dokkaew
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Charatda Punvittayagul
- Research Affairs, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand.
- Functional Food Research Center for Well-being, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Orapin Insuan
- Department of Medical Technology, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand.
| | - Pornngarm Limtrakul Dejkriengkraikul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
- Anticarcinogenesis and Apoptosis Research Cluster, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Rawiwan Wongpoomchai
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
- Functional Food Research Center for Well-being, Chiang Mai University, Chiang Mai 50200, Thailand.
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Dual Drugs Anticancer Nanoformulation using Graphene Oxide-PEG as Nanocarrier for Protocatechuic Acid and Chlorogenic Acid. Pharm Res 2019; 36:91. [PMID: 31020429 DOI: 10.1007/s11095-019-2621-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 04/01/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The chemotherapy of cancer has been complicated by poor bioavailability, adverse side effects, high dose requirement, drug resistance and low therapeutic indices. Cancer cells have different ways to inhibit the chemotherapeutic drugs, use of dual/multiple anticancer agents may be achieve better therapeutic effects in particular for drug resistant tumors. Designing a biocompatible delivery system, dual or multiple drugs could addressing these chemotherapy drawbacks and it is the focus of many current biomedical research. METHODS In the present study, graphene oxide-polyethylene glycol (GOPEG) nanocarrier is designed and loaded with two anticancer drugs; Protocatechuic acid (PCA) and Chlorogenic acid (CA). The designed anticancer nanocomposite was further coated with folic acid to target the cancer cells, as their surface membranes are overexpressed with folate receptors. RESULTS The particle size distribution of the designed nanocomposite was found to be narrow, 9-40 nm. The release profiles of the loaded drugs; PCA and CA was conducted in human body simulated PBS solutions of pH 7.4 (blood pH) and pH 4.8 (intracellular lysosomal pH). Anticancer properties were evaluated against cancerous cells i.e. liver cancer, HEPG2 and human colon cancer, HT-29 cells. The cytocompatbility was assessed on normal 3T3 fibroblasts cells. CONCLUSION The size of the final designed anticancer nanocomposite formulation, GOPEG-PCACA-FA was found to be distributed at 9-40 nm with a median of 8 nm. The in vitro release of the drugs PCA and CA was found to be of sustained manner which took more than 100 h for the release. Furthermore, the designed formulation was biocompatible with normal 3T3 cells and showed strong anticancer activity against liver and colon cancer cells.
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42
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Simultaneous Voltammetric Determination of Gallic and Protocatechuic Acids in Mango Juice Using a Reduced Graphene Oxide-Based Electrochemical Sensor. BEVERAGES 2019. [DOI: 10.3390/beverages5010017] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A simple and sensitive reduced graphene oxide-modified glassy carbon electrode-based electrochemical sensor was used for the concomitant determination of gallic acid (GA) and protocatechuic (PA) acid. The prepared sensor showed a significant enhancement in synergetic electro-catalytic performance towards GA and PA oxidation. A good resolution of the voltammetry peaks was obtained and a method of square wave voltammetry was developed for detection. The modified electrode was characterized by electrochemical techniques. The optimal experimental parameters were considered. GA and PA exhibited a linear increase in the peak currents with their concentrations in the range from 20 to 144 µmol·L−1 for GA and from 20 to 166 µmol·L−1 for PA, with limits of detection (S/N = 3) of 30.8 µmol·L−1 for GA and 10.2 µmol·L−1 for PA. The sensor applicability was simultaneously tested for the analytical determination of GA and PA in mango juice and exhibited a robust functionality.
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43
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Screening of metabolites from endophytic fungi of some Nigerian medicinal plants for antimicrobial activities. EUROBIOTECH JOURNAL 2019. [DOI: 10.2478/ebtj-2019-0002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Abstract
Endophytic fungi associated with Nigerian plants have recently generated significant interest in drug discovery programmes due to their immense potential to contribute to the discovery of new bioactive compounds. This study was carried out to investigate the secondary metabolites of endophytic fungi isolated from leaves of Newbouldia laevis, Ocimum gratissimum, and Carica papaya The plants were collected from Agulu, Anambra State, South-East Nigeria. Endophytic fungal isolation, fungal fermentation; and extraction of secondary metabolites were carried out using standard methods. The crude extracts were screened for antimicrobial activities using the agar well diffusion method, and were also subjected to high performance liquid chromatography (HPLC) analysis to identify their constituents. A total of five endophytic fungi was isolated, two from N. laevis (NL-L1 and NL-L2), one from O. gratissimum (SL-L1), and two from C. papaya (PPL-LAC and PPL-LE2). In the antimicrobial assay, the extracts of NL-L2, SL-L1, and PPL-LE2 displayed mild antibacterial activity against both Gram negative and Gram positive test bacteria. PPL-LAC extract showed mild activity only against S. aureus, while no antimicrobial activity was recorded for NL-L1 extract. All the endophytic fungal extracts showed no activity against the test fungi C. albicans and A. fumigatus HPLC analysis of the fungal extracts revealed the presence of ethyl 4-hydroxyphenyl acetate and ferulic acid in NL-L1; ruspolinone in NL-L2; protocatechuic acid, scytalone, and cladosporin in SL-L1; indole-3-acetic acid and indole-3-carbaldehyde in PPL-LE2; and indole-3-acetic acid in PPL-LAC. The findings of this study revealed the potentials possessed by these plants as source of endophytes that express biological active compounds. These endophytes hold key of possibilities to the discovery of novel molecules for pharmaceutical, agricultural and industrial applications.
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Investigation of Chitosan Nanoparticles Loaded with Protocatechuic Acid (PCA) for the Resistance of Pyricularia oryzae Fungus against Rice Blast. Polymers (Basel) 2019; 11:polym11010177. [PMID: 30960161 PMCID: PMC6401867 DOI: 10.3390/polym11010177] [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: 11/30/2018] [Revised: 01/02/2019] [Accepted: 01/11/2019] [Indexed: 12/23/2022] Open
Abstract
In this study, chitosan nanoparticles were used as a carrier for Protocatechuic acid (PCA) to resist Pyricularia oryzae against rice blast. The final compound was characterized using zeta potentials for its surface electricity, Fourier transform infrared (FT-IR) analysis and transmission electron microscopy (TEM) were conducted for functional groups and for particle sizes and shape, respectively. The zeta potential results showed that loading PCA causes chitosan nanoparticle (CSNP) to decrease in surface electrons. The TEM images revealed that the particle size of chitosan (CS), although increasing in size when carrying PCA molecules, showed sufficient size for reasonable penetration into fungal cells. The FT-IR analysis showed that all functional group in CSNP carried PCA matched with previous studies. The antifungal test showed that diameters of inhibition zone of CS increases significantly after loading PCA, exhibiting the strongest antimicrobial effect on the Pyricularia oryzae fungus compared with weaker effects exhibited by CSNP alone or PCA. Our results suggested that CSNP loaded with PCA could be a potential compound for eradication of Pyricularia oryzae and that further testing on in vitro rice plants is recommended to reaffirm this possibility.
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45
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Pramanik S, Dey T, Mukherjee AK. Five benzoic acid derivatives: Crystallographic study using X-ray powder diffraction, electronic structure and molecular electrostatic potential calculation. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.07.090] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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De BS, Wasewar KL, Dhongde V, Mishra T. A step forward in the development ofin situproduct recovery by reactive separation of protocatechuic acid. REACT CHEM ENG 2019. [DOI: 10.1039/c8re00160j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A conceptual design of an ISPR configuration for the biosynthesis, separation, and recovery of PCA by reactive extraction with TBP in natural non-toxic diluents.
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Affiliation(s)
- Biswajit S. De
- Department of Chemical Engineering
- Indian Institute of Technology Delhi (IITD)
- Hauz Khas
- India
| | - Kailas L. Wasewar
- Advanced Separation and Analytical Laboratory (ASAL)
- Department of Chemical Engineering
- Visvesvaraya National Institute of Technology (VNIT)
- Nagpur
- India
| | - Vicky Dhongde
- Advanced Separation and Analytical Laboratory (ASAL)
- Department of Chemical Engineering
- Visvesvaraya National Institute of Technology (VNIT)
- Nagpur
- India
| | - Tanya Mishra
- Department of Chemical Engineering
- Indian Institute of Technology Kanpur (IITK)
- Kanpur
- India
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47
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Famuyiwa SO, Sanusi K, Faloye KO, Yilmaz Y, Ceylan Ü. Antidiabetic and antioxidant activities: Is there any link between them? NEW J CHEM 2019. [DOI: 10.1039/c9nj01251f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An empirical relationship between antidiabetic and antioxidant properties of molecules using protocatechuic acid (PcA) as a test compound has been found.
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Affiliation(s)
| | - Kayode Sanusi
- Department of Chemistry
- Obafemi Awolowo University
- Ile-Ife
- Nigeria
| | | | - Yusuf Yilmaz
- NT Vocational School
- Gaziantep University
- 27310 Gaziantep
- Turkey
| | - Ümit Ceylan
- Department of Medical Services and Techniques
- Vocational High School Health Services
- Giresun University
- 28100 Giresun
- Turkey
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48
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Antony FM, Wasewar KL. Reactive separation of protocatechuic acid using Tri-n-octyl amine and Di-(2-ethylhexyl) phosphoric acid in Methyl isobutyl ketone. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.06.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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49
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Graphene Oxide⁻PEG⁻Protocatechuic Acid Nanocomposite Formulation with Improved Anticancer Properties. NANOMATERIALS 2018; 8:nano8100820. [PMID: 30314340 PMCID: PMC6215288 DOI: 10.3390/nano8100820] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/06/2018] [Accepted: 10/06/2018] [Indexed: 01/17/2023]
Abstract
The treatment of cancer through chemotherapy is limited by its toxicity to healthy tissues and organs, and its inability to target the cancer site. In this study, we have designed an anticancer nanocomposite delivery system for protocatechuic acid (PCA) using graphene oxide–polyethylene glycol as the nanocarrier, and coated with folic acid (GO–PEG–PCA–FA) for targeting the cancer cells. The designed anticancer delivery system was found to show much better anticancer activity than the free drug PCA against liver cancer HEP-G2 cells and human colon cancer HT-29 cells; at same time, it was found to be less toxic to normal fibroblast 3T3 cells. The folate-coated anticancer delivery system was found to show better activity then the free drug and the uncoated anticancer delivery system. The in vitro release of the PCA was found to be sustained in human physiological pHs, i.e., blood pH 7.4 and intracellular lysosomal pH 4.8. These in vitro findings are highly encouraging for further in vivo evaluation studies.
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50
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Teegarden MD, Knobloch TJ, Weghorst CM, Cooperstone JL, Peterson DG. Storage conditions modulate the metabolomic profile of a black raspberry nectar with minimal impact on bioactivity. Food Funct 2018; 9:4593-4601. [PMID: 30022172 PMCID: PMC6146023 DOI: 10.1039/c8fo00639c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Pre-clinical and clinical studies suggest black raspberries (BRBs) may inhibit the development of oral cancer. Lyophilized BRB powder is commonly used in these studies, but processed BRB products are more often consumed. The objective of this work was to understand how storage conditions influence the phytochemical profile and anti-proliferative activity of a BRB nectar beverage. Untargeted UHPLC-Q-TOF-MS based metabolomics analyses demonstrated that large chemical variation was introduced by storage above -20 °C over 60 days. However, minimal change in anti-proliferative activity was observed when stored nectar extracts were applied to SCC-83-01-82 premalignant oral epithelial cells. As proof of concept, cyanidin-3-O-rutinoside and its degradation product, protocatechuic acid, were administered in different ratios maintaining an equimolar dose, and anti-proliferative activity was maintained. This study shows the utility of metabolomics to profile global chemical changes in foods, while demonstrating that isolated phytochemicals do not explain the complete bioactivity of a complex food product.
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Affiliation(s)
- Matthew D. Teegarden
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
| | - Thomas J. Knobloch
- College of Public Health, Division of Environmental Health Sciences, The Ohio State University, Columbus, OH, US
| | - Christopher M. Weghorst
- College of Public Health, Division of Environmental Health Sciences, The Ohio State University, Columbus, OH, US
| | - Jessica L. Cooperstone
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
- Department of Horticulture and Crop Science, The Ohio State University, Columbus, OH, USA
| | - Devin G. Peterson
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
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