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Pradeepa E, Arthoba Nayaka Y, Sahana HR. Electrochemical investigation of an anticancer drug 5-Fluorouracil in the presence of Theophylline using low-cost and disposable poly(GLY) modified pencil graphite electrode. Anal Biochem 2024; 687:115451. [PMID: 38154624 DOI: 10.1016/j.ab.2023.115451] [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: 11/01/2023] [Revised: 12/14/2023] [Accepted: 12/25/2023] [Indexed: 12/30/2023]
Abstract
Herein this study, a facile, efficient and disposable electrochemical sensor has been prepared by electropolymerization of glycine (poly(GLY)) on the surface of pencil graphite electrode (PGE). The surface topology of the equipped poly(GLY) modified pencil graphite electrode (poly(GLY)/PGE) and bare pencil graphite electrode (BPGE) has been characterized by the scanning electron microscopy (SEM) combined with energy dispersive x-ray analysis (EDX) and charge transfer behaviour was measured by electron impedance spectroscopy (EIS) method. The voltammetric behaviour of anticancer, 5-fluorouracil (5-FU) in the presence of theophylline (THP) has been carried out in 0.1 M phosphate buffer solution (PBS) of physiological pH 7.0 using different techniques such as cyclic voltammetry (CV), linear sweep voltammetry (LSV) and differential pulse voltammetry (DPV). The proposed poly(GLY)/PGE shows augmented peak current for 5-FU at lower potential side over the BPGE due to the electrocatalytic behaviour of modifier layers wrapped on the electrode surface. The kinetic behaviour of 5-FU at modified electrode surface was studied by varying different parameters such as pH, scan rate and concentration study in 0.1 M PBS used as a supporting electrolyte. The limit of detection (LOD) for 5-FU was attained using DPV method with different concentrations (1.0-13.0 μM) and it was found to be 0.012 μM. The possible electrochemical reaction of 5-FU was proposed and it was incorporated by two electrons and two protons mechanism at modified electrode surface. The voltammetric response of poly(GLY)/PGE towards the determination of 5-FU was unaffected in the presence of some excipients in addition to the remarkable stability and reproducibility. The applicability of the proposed sensor has been performed by real sample investigation of 5-FU with a substantial percentage of recovery results in all optimized conditions.
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Affiliation(s)
- E Pradeepa
- Department of Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta, 577451, Shivamogga, Karnataka, India
| | - Y Arthoba Nayaka
- Department of Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta, 577451, Shivamogga, Karnataka, India.
| | - H R Sahana
- Department of Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta, 577451, Shivamogga, Karnataka, India
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Wei-Ye L, Hong-Bo G, Rui-Heng Y, Ai-Guo X, Jia-Chen Z, Zhao-Qian Y, Wen-Jun H, Xiao-Dan Y. UPLC-ESI-MS/MS-based widely targeted metabolomics reveals differences in metabolite composition among four Ganoderma species. Front Nutr 2024; 11:1335538. [PMID: 38562486 PMCID: PMC10982346 DOI: 10.3389/fnut.2024.1335538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/07/2024] [Indexed: 04/04/2024] Open
Abstract
The Chinese name "Lingzhi" refers to Ganoderma genus, which are increasingly used in the food and medical industries. Ganoderma species are often used interchangeably since the differences in their composition are not known. To find compositional metabolite differences among Ganoderma species, we conducted a widely targeted metabolomics analysis of four commonly used edible and medicinal Ganoderma species based on ultra performance liquid chromatography-electrospray ionization-tandem mass spectrometry. Through pairwise comparisons, we identified 575-764 significant differential metabolites among the species, most of which exhibited large fold differences. We screened and analyzed the composition and functionality of the advantageous metabolites in each species. Ganoderma lingzhi advantageous metabolites were mostly related to amino acids and derivatives, as well as terpenes, G. sinense to terpenes, and G. leucocontextum and G. tsugae to nucleotides and derivatives, alkaloids, and lipids. Network pharmacological analysis showed that SRC, GAPDH, TNF, and AKT1 were the key targets of high-degree advantage metabolites among the four Ganoderma species. Analysis of Gene Ontology and Kyoto Encyclopedia of Genes and Genomes demonstrated that the advantage metabolites in the four Ganoderma species may regulate and participate in signaling pathways associated with diverse cancers, Alzheimer's disease, and diabetes. Our findings contribute to more targeted development of Ganoderma products in the food and medical industries.
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Affiliation(s)
- Liu Wei-Ye
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang, China
| | - Guo Hong-Bo
- College of Life Engineering, Shenyang Institute of Technology, Fushun, China
| | - Yang Rui-Heng
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Xu Ai-Guo
- Alpine Fungarium, Tibet Plateau Institute of Biology, Lasa, China
| | - Zhao Jia-Chen
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang, China
| | - Yang Zhao-Qian
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang, China
| | - Han Wen-Jun
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang, China
| | - Yu Xiao-Dan
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang, China
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3
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Huang X, Fei Q, Yu S, Qiu R, Geng T, Chen X, Cao L, Wang Z, Shan M. Liquid chromatography-mass spectrometry-based strategy for systematic profiling of chemical components and associated quantitative analysis of quality markers in Qi-Wei-Tong-Bi oral liquid. J Sep Sci 2024; 47:e2300922. [PMID: 38471974 DOI: 10.1002/jssc.202300922] [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: 12/14/2023] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024]
Abstract
Qi-Wei-Tong-Bi oral liquid (QWTB), a famous Chinese medicine preparation composed of seven crude drugs has a good therapeutic effect on rheumatoid arthritis and is widely used in China. However, its chemical composition and quality control have not been comprehensively and systematically investigated. In this study, high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was employed for its chemical profiling. As a result, 100 components were chemically characterized. Additionally, high-performance liquid chromatography coupled with a quadrupole linear ion trap mass spectrometry method was developed to simultaneously quantify nine bioactive components (hyperoside, ononin, quercetin, sinomenine, magnoflorine, gallic acid, protocatechuic acid, monotropein, and cyclo-(Pro-Tyr)) in multiple-reaction monitoring mode. After successful validation in terms of linearity, precision, repeatability, and recovery, the assay method was applied for the determination of 10 batches of QWTB. The results showed that QWTB was enriched in sinomenine and magnoflorine with the highest amount up to hundreds or even thousands of µg/mL, while quercetin, ononin, cyclo-(Pro-Tyr), and hyperoside were much lower with the lowest content below 10 µg/mL. This study work would help to reveal the chemical profiling and provide a valuable and reliable approach for quality evaluation and even pharmacodynamic material basis studies of QWTB.
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Affiliation(s)
- Xiaojun Huang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Qingqing Fei
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Sheng Yu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Rongli Qiu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Ting Geng
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Xialin Chen
- Jiangsu Kanion Pharmaceutical Co. Ltd., Lianyungang, P. R. China
| | - Liang Cao
- Jiangsu Kanion Pharmaceutical Co. Ltd., Lianyungang, P. R. China
| | - Zhenzhong Wang
- Jiangsu Kanion Pharmaceutical Co. Ltd., Lianyungang, P. R. China
| | - Mingqiu Shan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
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Cancemi G, Caserta S, Gangemi S, Pioggia G, Allegra A. Exploring the Therapeutic Potential of Ganoderma lucidum in Cancer. J Clin Med 2024; 13:1153. [PMID: 38398467 PMCID: PMC10889924 DOI: 10.3390/jcm13041153] [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: 11/06/2023] [Revised: 02/12/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Triterpenoids, such as ganoderic acid, and polysaccharides, including β-D-glucans, α-D-glucans, and α-D-mannans, are the main secondary metabolites of the medicinal fungus Ganoderma lucidum. There is evidence of the effects of ganoderic acid in hematological malignancies, whose mechanisms involve the stimulation of immune response, the macrophage-like differentiation, the activation of MAP-K pathway, an IL3-dependent cytotoxic action, the induction of cytoprotective autophagy, and the induction of apoptosis. In fact, this compound has been tested in twenty-six different human cancer cell types and has shown an anti-proliferative activity, especially in leukemia, lymphoma, and myeloma lines. Moreover, research clarified the capability of molecules from Ganoderma lucidum to induce mitochondrial damage in acute promyelocytic leukemia cells, without cytotoxic effects in normal mononuclear cells. Active lipids extracted from the spores of this fungus have also been shown to induce apoptosis mediated by downregulation of P-Akt and upregulation of caspases-3, -8, and -9. Among in vivo studies, a study in BALB/c mice injected with WEHI-3 leukemic cells suggested that treatment with Ganoderma lucidum promotes differentiation of T- and B-cell precursors, phagocytosis by PBMCs, and NK cell activity. Our review presents data revealing the possibility of employing Ganoderma lucidum in hematological malignancies and incorporating it into clinical practice.
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Affiliation(s)
- Gabriella Cancemi
- Hematology Unit, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, via Consolare Valeria, 98125 Messina, Italy
| | - Santino Caserta
- Hematology Unit, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, via Consolare Valeria, 98125 Messina, Italy
| | - Sebastiano Gangemi
- Allergy and Clinical Immunology Unit, Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
| | - Giovanni Pioggia
- Institute for Biomedical Research and Innovation (IRIB), National Research Council of Italy (CNR), 98164 Messina, Italy
| | - Alessandro Allegra
- Hematology Unit, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, via Consolare Valeria, 98125 Messina, Italy
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Shaposhnikov LA, Chikurova NY, Chernobrovkina AV, Tishkov VI, Pometun AA. Development of an approach to determining enzymatic activity of ribonucleoside hydrolase c using hydrophilic interaction liquid chromatography. J Chromatogr A 2024; 1715:464561. [PMID: 38154259 DOI: 10.1016/j.chroma.2023.464561] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/02/2023] [Accepted: 12/04/2023] [Indexed: 12/30/2023]
Abstract
Ribonucleoside hydrolase C (RihC, EC 3.2.2.1-3.2.2.3, 3.2.2.7, 3.2.2.8) belongs to the family of ribonucleoside hydrolases that catalyze the cleavage of both purine and pyrimidine ribonucleosides to nitrogenous bases and ribose. Its most efficient reaction is the cleavage of uridine with the highest reaction rate. The reaction cannot be detected by a simple spectrophotometric method because of the same absorption maximum for the substrate and reaction product or requires time- and labor-consuming sample preparation for ribose. Reversed-phase HPLC is currently used to register enzymatic activity, where the time of one chromatographic run takes about 10 min. Since a large number of analyses is required to measure the kinetics of an enzymatic reaction, the total time is significant. In this work, we obtained new recombinant RihC from Limosilactobacillus reuteri by gene cloning and expression in E.coli cells. We proposed a new approach for determining the enzymatic activity of the new RihC using hydrophilic interaction liquid chromatography (HILIC). The novel column was developed for this procedure providing the determination of uracil and uridine with high efficiency and retention times of 0.9 and 1.7 min, respectively. Kinetic parameters for RihC uridine cleavage were determined. The proposed approach provided significant rapidity for measurement of the enzyme kinetics being 5 times faster as compared to reversed-phase HPLC.
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Affiliation(s)
- L A Shaposhnikov
- Bach Institute of Biochemistry, Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Leninsky Avenue, 33-22, Moscow 119071, Russia; Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - N Yu Chikurova
- Bach Institute of Biochemistry, Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Leninsky Avenue, 33-22, Moscow 119071, Russia; Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - A V Chernobrovkina
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - V I Tishkov
- Bach Institute of Biochemistry, Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Leninsky Avenue, 33-22, Moscow 119071, Russia; Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - A A Pometun
- Bach Institute of Biochemistry, Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Leninsky Avenue, 33-22, Moscow 119071, Russia; Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1-3, Moscow 119991, Russia; Institute of Medicine, Peoples' Friendship University of Russia named after Patrice Lumumba, Miklukho-Maklaya, 8, Moscow, 117198, Russia.
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6
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Cadar E, Negreanu-Pirjol T, Pascale C, Sirbu R, Prasacu I, Negreanu-Pirjol BS, Tomescu CL, Ionescu AM. Natural Bio-Compounds from Ganoderma lucidum and Their Beneficial Biological Actions for Anticancer Application: A Review. Antioxidants (Basel) 2023; 12:1907. [PMID: 38001761 PMCID: PMC10669212 DOI: 10.3390/antiox12111907] [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: 08/26/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/26/2023] Open
Abstract
Ganoderma lucidum (G. lucidum) has been known for many centuries in Asian countries under different names, varying depending on the country. The objective of this review is to investigate the scientific research on the natural active bio-compounds in extracts obtained from G. lucidum with significant biological actions in the treatment of cancer. This review presents the classes of bio-compounds existing in G. lucidum that have been reported over time in the main databases and have shown important biological actions in the treatment of cancer. The results highlight the fact that G. lucidum possesses important bioactive compounds such as polysaccharides, triterpenoids, sterols, proteins, nucleotides, fatty acids, vitamins, and minerals, which have been demonstrated to exhibit multiple anticancer effects, namely immunomodulatory, anti-proliferative, cytotoxic, and antioxidant action. The potential health benefits of G. lucidum are systematized based on biological actions. The findings present evidence regarding the lack of certainty about the effects of G. lucidum bio-compounds in treating different forms of cancer, which may be due to the use of different types of Ganoderma formulations, differences in the study populations, or due to drug-disease interactions. In the future, larger clinical trials are needed to clarify the potential benefits of pharmaceutical preparations of G. lucidum, standardized by the known active components in the prevention and treatment of cancer.
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Affiliation(s)
- Emin Cadar
- Faculty of Pharmacy, “Ovidius” University of Constanta, Capitan Aviator Al. Serbanescu Street, No. 6, Campus, Building C, 900470 Constanta, Romania; (E.C.); (B.-S.N.-P.)
| | - Ticuta Negreanu-Pirjol
- Faculty of Pharmacy, “Ovidius” University of Constanta, Capitan Aviator Al. Serbanescu Street, No. 6, Campus, Building C, 900470 Constanta, Romania; (E.C.); (B.-S.N.-P.)
- Academy of Romanian Scientists, Ilfov Street, No. 3, 050044 Bucharest, Romania
| | - Carolina Pascale
- Organizing Institution for Doctoral University Studies of “Carol Davila”, University of Medicine and Pharmacy of Bucharest, Dionisie Lupu Street, No. 37, Sector 2, 020021 Bucharest, Romania;
| | - Rodica Sirbu
- Organizing Institution for Doctoral University Studies of “Carol Davila”, University of Medicine and Pharmacy of Bucharest, Dionisie Lupu Street, No. 37, Sector 2, 020021 Bucharest, Romania;
| | - Irina Prasacu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy of Bucharest, Traian Vuia Street, No. 6, Sector 2, 020956 Bucharest, Romania;
| | - Bogdan-Stefan Negreanu-Pirjol
- Faculty of Pharmacy, “Ovidius” University of Constanta, Capitan Aviator Al. Serbanescu Street, No. 6, Campus, Building C, 900470 Constanta, Romania; (E.C.); (B.-S.N.-P.)
| | - Cezar Laurentiu Tomescu
- Faculty of Medicine, “Ovidius” University of Constanta, University Alley, No. 1, Campus, Building B, 900470 Constanta, Romania; (C.L.T.); (A.-M.I.)
- “Sf. Ap. Andrei” County Clinical Emergency Hospital, Tomis Bvd., No. 145, 900591 Constanta, Romania
| | - Ana-Maria Ionescu
- Faculty of Medicine, “Ovidius” University of Constanta, University Alley, No. 1, Campus, Building B, 900470 Constanta, Romania; (C.L.T.); (A.-M.I.)
- Clinical Hospital C F Constanta, 1 Mai Bvd., No. 3–5, 900123 Constanta, Romania
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Zhang Z, Wang X, Zhang X, Wu J, Chen J, Li W. Integrated LC-MS and network pharmacology methods to screen quantitative indicators in the Hippocampus histrix Kaup and method transfer. J Pharm Biomed Anal 2023; 228:115294. [PMID: 36827860 DOI: 10.1016/j.jpba.2023.115294] [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: 08/19/2022] [Revised: 02/10/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023]
Abstract
Hippocampus histrix Kaup is a popular marine medicine with high medicinal and healthcare values. In this study, liquid chromatography-mass spectrometry (LC-MS) analysis combined with network pharmacological method was used to screen for suitable quantitative indicators for the quality control of H. histrix Kaup. Firstly, an LC-MS analytical method for the simultaneous determination of 12 nucleosides in extracts of H. histrix Kaup was established. And then, a network pharmacological method incorporated target prediction, protein-protein interaction network, components-targets network, and targets-pathways network was performed to screen for quantitative indicators. Finally, the developed LC-MS method was transferred to liquid chromatographs to improve the generalizability of the method. All 12 nucleotides were authenticated in extracts of H. histrix Kaup by comparing with the standards. The optimal chromatographic separation conditions are as follows: the chromatographic separation was achieved on an Acquire BEH-C18 column (2.1 mm * 100 mm, 1.7 µm) and gradient elution was performed using methanol solution and buffer (0.30% formic acid and 10 mmol/L ammonium acetate) as mobile phase at a flow rate of 0.15 mL/min and an acquisition wavelength of 260 nm. Network pharmacology results showed that adenosine, and uridine show excellent pharmacological activity. Integration the content, correlation, chromatographic separation, and pharmacological activity of each compound in H. histrix Kaup, uridine and adenosine were tentatively determined as quantitative indicators for quality control in H. histrix Kaup. The established LC-MS method was successfully transferred to liquid chromatographs, and the method is stable and reliable for the quality control of H. histrix Kaup. This developed integrated strategy was successfully used to screen quantitative indicators in the H. histrix Kaup.
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Affiliation(s)
- Zhiyong Zhang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; State key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xi Wang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; State key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiaoyang Zhang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; State key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jiaheng Wu
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Junhui Chen
- Marine Bioresource and Environment Research Center, Key Laboratory of Marine Eco-Environmental Science and Technology, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Qingdao Key Lab on Analytical Technology Development and Standardization of Chinese Medicines, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China.
| | - Wenlong Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; State key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
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Viet Hung T, Thang PNT, Hien HM, Diep VT, Thu NT, Tan DM, Pham DT, Thi Ha D, Huynh DTM. Cytotoxic Activities and Fingerprint Analysis of Triterpenes by HPTLC Technique for Distinguishing Ganoderma Species from Vietnam and other Asian Countries. PLANTS (BASEL, SWITZERLAND) 2022; 11:3397. [PMID: 36501435 PMCID: PMC9738896 DOI: 10.3390/plants11233397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
Ganoderma lucidum (Fr.) P. Karst. (Ganodermataceae), commonly called Linhzhi, is traditionally employed in the treatment of human diseases, including hepatitis, liver disorders, hypercholesterolemia, arthritis, bronchitis, and tumorigenic diseases. In this study, the fingerprint profiles of five different strains of G. lucidum originated from Japan, Korea, China, and Vietnam, five samples of G. lucidum growing on Erythrophloeum fordii Oliv. in Vietnam, and five related Linhzhi species (Ganoderma applanatum, Ganoderma australe, Ganoderma clossum, Ganoderma subresinosu, and Ganoderma sp.) were investigated for triterpene derivatives using high-pressure, thin-layer chromatography (HPTLC). The HPTLC fingerprint profiles demonstrated significant differences between G. lucidum and other related Linhzhi species in the presence of triterpene derivatives. Evaluation for the cytotoxicity of these samples against four cancer cell lines, including A549, MCF7, PC3, and HepG2, displayed various levels of cytotoxic effects, with IC50 values of: 15.6-46.3 µg/mL on the A549 cancer cell line, of 18.4-43.6 µg/mL on the MCF7 cancer cell line, of 10.0-32.1 µg/mL on the PC3 cancer cell line, and of 10.6-27.6 µg/mL on the HepG2 cancer cell line. Conclusively, these data contributed to the literature on the cytotoxic activities and fingerprint analysis of triterpenes by the HPTLC technique for distinguishing Ganoderma species from Vietnam and other Asian countries.
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Affiliation(s)
- Tran Viet Hung
- Institute of Drug Quality Control-Ho Chi Minh City (IDQC HCMC), Ho Chi Minh City 700000, Vietnam
| | - Phan Nguyen Truong Thang
- Institute of Drug Quality Control-Ho Chi Minh City (IDQC HCMC), Ho Chi Minh City 700000, Vietnam
| | - Ha Minh Hien
- Institute of Drug Quality Control-Ho Chi Minh City (IDQC HCMC), Ho Chi Minh City 700000, Vietnam
| | - Vu Thi Diep
- National Institute of Medicinal Materials (NIMM), Hanoi 100000, Vietnam
| | - Nguyen Thi Thu
- National Institute of Medicinal Materials (NIMM), Hanoi 100000, Vietnam
| | - Duong Minh Tan
- National Institute of Drug Quality Control (NIDQC), Hanoi 100000, Vietnam
| | - Duy Toan Pham
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam
| | - Do Thi Ha
- National Institute of Medicinal Materials (NIMM), Hanoi 100000, Vietnam
| | - Duyen Thi My Huynh
- Department of Pharmaceutical and Pharmaceutical Technology, Faculty of Pharmacy, Can Tho University of Medicine and Pharmacy, Can Tho 900000, Vietnam
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Park DR, Yeo CH, Yoon JE, Hong EY, Choi BR, Lee YJ, Ha IH. Polygonatum sibiricum improves menopause symptoms by regulating hormone receptor balance in an ovariectomized mouse model. Biomed Pharmacother 2022; 153:113385. [DOI: 10.1016/j.biopha.2022.113385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/04/2022] [Accepted: 07/06/2022] [Indexed: 11/26/2022] Open
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10
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Oke MA, Afolabi FJ, Oyeleke OO, Kilani TA, Adeosun AR, Olanbiwoninu AA, Adebayo EA. Ganoderma lucidum: Unutilized natural medicine and promising future solution to emerging diseases in Africa. Front Pharmacol 2022; 13:952027. [PMID: 36071846 PMCID: PMC9441938 DOI: 10.3389/fphar.2022.952027] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/04/2022] [Indexed: 11/18/2022] Open
Abstract
Ganoderma lucidum is a well-known medicinal mushroom that has been used for the prevention and treatment of different ailments to enhance longevity and health specifically in China, Japan, and Korea. It was known as “God’s herb” in ancient China as it was believed to prolong life, enhance the youthful spirit and sustain/preserve vitality. G. lucidum is seldom collected from nature and is substantially cultivated on wood logs and sawdust in plastic bags or bottles to meet the international market demand. Both in vitro and in vivo studies on the copious metabolic activities of G. lucidum have been carried out. Varied groups of chemical compounds including triterpenoids, polysaccharides, proteins, amino acids, nucleosides, alkaloids, steroids, lactones, lectins, fatty acids, and enzymes with potent pharmacological activities have been isolated from the mycelia and fruiting bodies of G. lucidum. Several researchers have reported the abundance and diversification of its biological actions triggered by these chemical compounds. Triterpenoids and polysaccharides of G. lucidum have been reported to possess cytotoxic, hepatoprotective, antihypertensive, hypocholesterolemic, antihistaminic effects, antioxidant, antimicrobial, anti-inflammatory, hypoglycemic antiallergic, neuroprotective, antitumor, immunomodulatory and antiangiogenic activities. Various formulations have been developed, patented, and utilized as nutraceuticals, cosmeceuticals, and pharmaceuticals from G. lucidum extracts and active compounds. Thus, this review presents current updates on emerging infectious diseases and highlights the scope, dynamics, and advances in infectious disease management with a particular focus on Ganoderma lucidum, an unutilized natural medicine as a promising future solution to emerging diseases in Africa. However, details such as the chemical compound and mode of action of each bioactive against different emerging diseases were not discussed in this study.
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Affiliation(s)
- M. A. Oke
- Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
- Microbiology and Nanobiotechnology Laboratory, LAUTECH, Ogbomoso, Nigeria
| | - F. J. Afolabi
- Mushrooms Department, National Biotechnology Development Centre, Ogbomoso, Nigeria
| | - O. O. Oyeleke
- Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
- Microbiology and Nanobiotechnology Laboratory, LAUTECH, Ogbomoso, Nigeria
| | - T. A. Kilani
- Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
- Microbiology and Nanobiotechnology Laboratory, LAUTECH, Ogbomoso, Nigeria
| | - A. R. Adeosun
- Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
- Microbiology and Nanobiotechnology Laboratory, LAUTECH, Ogbomoso, Nigeria
| | - A. A. Olanbiwoninu
- Department of Biological Sciences, Ajayi Crowther University, Oyo, Nigeria
| | - E. A. Adebayo
- Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
- Microbiology and Nanobiotechnology Laboratory, LAUTECH, Ogbomoso, Nigeria
- Mushrooms Department, National Biotechnology Development Centre, Ogbomoso, Nigeria
- *Correspondence: E. A. Adebayo,
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11
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Wang T, Guo S, Ren X, Du J, Bai L, Cui X, Ho CT, Bai N. Simultaneous quantification of 18 bioactive constituents in Ziziphus jujuba fruits by HPLC coupled with a chemometric method. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2022.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Yong L, Leng AQ, Yang ZX, Xue Y. A Practical Method for Determination of Nine Nucleosides in Tricholoma matsutake by UPLC/MS and Quantitative Analysis of Multicomponents Using Single Marker Method. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2021; 2021:9571329. [PMID: 34552805 PMCID: PMC8452435 DOI: 10.1155/2021/9571329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 06/13/2023]
Abstract
Nucleosides can be used as quality evaluation indicators of Tricholoma matsutake. In this work, a new ultra-performance liquid chromatography-tandem mass spectrometry (UPLC/MS) strategy for quantitative analysis of multiple components using a single marker (QAMS) was proposed to determine nine nucleosides (adenosine, cytidine, guanosine, inosine, uridine, 2'-deoxyadenosine, 2'-deoxycytidine, 2'-deoxyguanosine, and 2'-deoxyuridine) in T. matsutake. Guanosine was set as the internal reference substance, whose content in T. matsutake was determined using the conventional external standard method. Relative correction factors (RCFs) between guanosine and eight other nucleosides were measured. The concentrations of the eight components were calculated with the obtained RCFs by QAMS. An ultrasonic extraction method is used for sample preparation. This method was validated to be sensitive, precise, and accurate with the LODs of 0.31-1.9 ng, the overall intraday and interday variations less than 4.08%, and the overall recovery over 89.0%. The correlation coefficients (r 2) of the calibration curves were higher than 0.9918. The values of vector angle analysis were above 0.99845, which indicates no significant differences between the conventional external standard method and the present QAMS method. As far as we know, this is also the first report of UPLC/MS analysis of nucleoside compounds by QAMS, providing an efficient and feasible quality assessment method for other natural products containing nucleosides.
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Affiliation(s)
- Li Yong
- Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - An-Qin Leng
- Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - Zhi-Xiang Yang
- Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - Ying Xue
- Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
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13
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Sun D, Wu DR, Li P, Yip H, Wang B, Hou X, Zhao R, Zhang H, Kempson J, Mathur A. Large-scale supercritical fluid chromatography purification of unstable STING agonist intermediates. J Chromatogr A 2021; 1651:462309. [PMID: 34147835 DOI: 10.1016/j.chroma.2021.462309] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/27/2021] [Accepted: 05/29/2021] [Indexed: 02/02/2023]
Abstract
A regioisomeric mixture of the nucleoside derivative, Intermediate 1, required resolution by preparative supercritical fluid chromatography (SFC) in order to obtain the desired regioisomer as a key intermediate in a STING agonist program. Various chiral columns and solvents including methanol, acetonitrile, isopropanol, and the mixture of acetonitrile and isopropanol as organic modifiers in carbon dioxide at different temperatures were screened to obtain the best regioisomeric resolution. A key issue associated with interconversion between the regioisomers via silyl migration during purification was investigated in methanol, acetonitrile, and the mixture of acetonitrile and isopropanol, and the optimal organic modifier in CO2 was established to mitigate the interconversion to an acceptable level (<5%). Taking into account peak resolution, throughput, interconversion and operation robustness, an efficient SFC method for large-scale purification was successfully developed and scaled up onto a 5 cm I. D. Chiralcel OJ-H column using 25% acetonitrile: isopropanol [1:1 (v/v)] with 0.1% ammonium hydroxide as the modifier in CO2 at a total flow rate of 270 mL/min and a temperature of 30°C. In addition, continual evaporation (i.e. every hour) of the desired isomer fraction stream post-separation ensured minimal further interconversion. A total of 258 grams were separated at a high throughput of 8.6 g/h. Regioisomeric purity of the desired isomer of Intermediate 1 was ≥98.2% and the recovery was ≥90.2%. A similar purification strategy was applied to the regioisomeric resolution of Intermediate 2, an analog of Intermediate 1. In total, 1028 grams of Intermediate 2 were processed at a high throughput of 12.5 g/h on a Viridis BEH 2-EP column. The regioisomeric purity of the desired isomer was ≥96.8% and the recovery was ≥90.7%.
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Affiliation(s)
- Dawn Sun
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States.
| | - Dauh-Rurng Wu
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Peng Li
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Henry Yip
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Bei Wang
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Xiaoping Hou
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Rulin Zhao
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Huiping Zhang
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - James Kempson
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
| | - Arvind Mathur
- Department of Discovery Synthesis, Research and Early Development, Bristol Myers Squibb, Princeton, NJ 08540, United States
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14
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El-Newary SA, Afifi SM, Aly MS, Ahmed RF, El Gendy AENG, Abd-ElGawad AM, Farag MA, Elgamal AM, Elshamy AI. Chemical Profile of Launaea nudicaulis Ethanolic Extract and Its Antidiabetic Effect in Streptozotocin-Induced Rats. Molecules 2021; 26:1000. [PMID: 33668635 PMCID: PMC7918448 DOI: 10.3390/molecules26041000] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/07/2021] [Accepted: 02/07/2021] [Indexed: 11/24/2022] Open
Abstract
Launaea nudicaulis is used in folk medicine worldwide to treat several diseases. The present study aimed to assess the antidiabetic activity of L. nudicaulis ethanolic extract and its effect on diabetic complications in streptozotocin-induced hyperglycemic rats. The extract was orally administrated at 250 and 500 mg/kg/day for 5-weeks and compared to glibenclamide as a reference drug at a dose of 5 mg/kg/day. Administration of the extract exhibited a potential hypoglycemic effect manifested by a significant depletion of serum blood glucose concurrent with a significant elevation in serum insulin secretion. After 5-weeks, extract at 250 and 500 mg/kg/day decreased blood glucose levels by about 53.8 and 68.1%, respectively, compared to the initial values (p ≤ 0.05). The extract at the two dosages prevented weight loss of rats from the 2nd week till the end of the experiment, compared to diabetic control rats. The extract further exhibited marked improvement in diabetic complications including liver, kidney and testis performance, oxidative stress, and relative weight of vital organs, with respect to diabetic control. Histopathological examinations confirmed the previous biochemical analysis, where the extract showed a protective effect on the pancreas, liver, kidney, and testis that degenerated in diabetic control rats. To characterize extract composition, UPLC-ESI-qTOF-MS identified 85 chromatographic peaks belonging to flavonoids, phenolics, acyl glycerols, nitrogenous compounds, and fatty acids, with four novel phenolics reported. The potential anti-diabetic effect warrants its inclusion in further studies and or isolation of the main bioactive agent(s).
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Affiliation(s)
- Samah A. El-Newary
- Medicinal and Aromatic Plants Research Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt; (S.A.E.-N.); (A.E.-N.G.E.G.)
| | - Sherif M. Afifi
- Pharmacognosy Department, Faculty of Pharmacy, University of Sadat City, Sadat City 32897, Egypt;
| | - Mohamed S. Aly
- Department of Animal Reproduction and Artificial Insemination, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt;
| | - Rania F. Ahmed
- Chemistry of Natural Compounds Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt; (R.F.A.); (A.I.E.)
| | - Abd El-Nasser G. El Gendy
- Medicinal and Aromatic Plants Research Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt; (S.A.E.-N.); (A.E.-N.G.E.G.)
| | - Ahmed M. Abd-ElGawad
- Department of Botany, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed A. Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr el Aini St., Cairo P.B. 11562, Egypt;
- Chemistry Department, School of Sciences & Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Abdelbaset M. Elgamal
- Department of Chemistry of Microbial and Natural Products, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
| | - Abdelsamed I. Elshamy
- Chemistry of Natural Compounds Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt; (R.F.A.); (A.I.E.)
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15
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Yang Y, Zhang H, Zuo J, Gong X, Yi F, Zhu W, Li L. Advances in research on the active constituents and physiological effects of Ganoderma lucidum. BIOMEDICAL DERMATOLOGY 2019. [DOI: 10.1186/s41702-019-0044-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Abstract
Background
Ganoderma lucidum, a double-walled basidiospore produced by porous basidiomycete fungi, has been used as a traditional medicine for thousands of years. It is considered a valuable Chinese medicine for strengthening body resistance, invigorating the spleen, and replenishing Qi. G. lucidum contains a variety of active ingredients, such as polysaccharides, triterpenoids, nucleosides, sterols, alkaloids, polypeptides, fatty acids, steroids, and inorganic elements, and has anticancer, anti-inflammatory, hepatoprotection, hypoglycemic, anti-melanogenesis, anti-aging, and skin barrier-repairing activity.
Conclusions
The review summarizes the traditional usages, distribution, active constituents, structure, and biological effects of G. lucidum, with an aim to offer directions for further research and better usage of G. lucidum as a medicinal raw material.
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16
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Chang WT, Gao ZH, Lo YC, Wu SN. Evidence for Effective Inhibitory Actions on Hyperpolarization-Activated Cation Current Caused by Ganoderma Triterpenoids, the Main Active Constitutents of Ganoderma Spores. Molecules 2019; 24:molecules24234256. [PMID: 31766737 PMCID: PMC6930560 DOI: 10.3390/molecules24234256] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/14/2019] [Accepted: 11/20/2019] [Indexed: 01/05/2023] Open
Abstract
The triterpenoid fraction of Ganoderma (Ganoderma triterpenoids, GTs) has been increasingly demonstrated to provide effective antioxidant, neuroprotective or cardioprotective activities. However, whether GTs is capable of perturbing the transmembrane ionic currents existing in electrically excitable cells is not thoroughly investigated. In this study, an attempt was made to study whether GTs could modify hyperpolarization-activated cation currents (Ih) in pituitary tumor (GH3) cells and in HL-1 atrial cardiomyocytes. In whole-cell current recordings, the addition of GTs produced a dose-dependent reduction in the amplitude of Ih in GH3 cells with an IC50 value of 11.7 µg/mL, in combination with a lengthening in activation time constant of the current. GTs (10 µg/mL) also caused a conceivable shift in the steady-state activation curve of Ih along the voltage axis to a more negative potential by approximately 11 mV. Subsequent addition of neither 8-cyclopentyl-1,3-dipropylxanthine nor 8-(p-sulfophenyl)theophylline, still in the presence of GTs, could attenuate GTs-mediated inhibition of Ih. In current-clamp voltage recordings, GTs diminished the firing frequency of spontaneous action potentials in GH3 cells, and it also decreased the amplitude of sag potential in response to hyperpolarizing current stimuli. In murine HL-1 cardiomyocytes, the GTs addition also suppressed the amplitude of Ih effectively. In DPCPX (1 µM)-treated HL-1 cells, the inhibitory effect of GTs on Ih remained efficacious. Collectively, the inhibition of Ih caused by GTs is independent of its possible binding to adenosine receptors and it might have profound influence in electrical behaviors of different types of electrically excitable cells (e.g., pituitary and heart cells) if similar in vitro or in vivo findings occur.
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Affiliation(s)
- Wei-Ting Chang
- Division of Cardiovascular Medicine, Chi-Mei Medical Center, Tainan 71004, Taiwan;
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan 71004, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Zi-Han Gao
- Department of Physiology, National Cheng Kung University Medical College, Tainan 70101, Taiwan;
| | - Yi-Ching Lo
- Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Sheng-Nan Wu
- Department of Physiology, National Cheng Kung University Medical College, Tainan 70101, Taiwan;
- Institute of Basic Medical Sciences, National Cheng Kung University Medical College, Tainan 70101, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
- Correspondence: ; Tel.: +88-662-353-535-5334; Fax: +88-662-362-780
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17
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Dong Z, Sun Y, Wei G, Li S, Zhao Z. A Nucleoside/Nucleobase-Rich Extract from Cordyceps Sinensis Inhibits the Epithelial-Mesenchymal Transition and Protects against Renal Fibrosis in Diabetic Nephropathy. Molecules 2019; 24:E4119. [PMID: 31739543 PMCID: PMC6891521 DOI: 10.3390/molecules24224119] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
Cordyceps Sinensis, a traditional Chinese medicine and a healthy food, has been used for the treatment of kidney disease for a long time. The aim of present study was to isolate a nucleoside/nucleobase-rich extract from Cordyceps Sinensis (CS-N), determine the contents of nucleosides and nucleobases, and explore its anti-diabetic nephropathy activity. CS-N was isolated and purified by using microporous resin and glucan columns and the unknown compounds were identified by using HPLC-DAD and LC-MS. The effects of CS-N on the epithelial-mesenchymal transition (EMT), extracellular matrix (ECM) depositions, and the MAPK signaling pathway were evaluated in streptozotocin (STZ)-induced diabetic mice and high glucose (HG)-exposed HK-2 cells. CS-N significantly attenuated the abnormity of renal functional parameters, ameliorated histopathological changes, and inhibited EMT and ECM accumulation by regulating p38/ERK signaling pathways. Our findings indicate that CS-N exerts a therapeutic effect on experimental diabetic renal fibrosis by mitigating the EMT and the subsequent ECM deposition with inhibition of p38 and ERK signaling pathways.
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Affiliation(s)
- Zhonghua Dong
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, China; (Z.D.); (Y.S.)
| | - Yueyue Sun
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, China; (Z.D.); (Y.S.)
| | - Guangwei Wei
- School of Basic Medical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, China;
| | - Siying Li
- School of Basic Medical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, China;
| | - Zhongxi Zhao
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, China; (Z.D.); (Y.S.)
- Shandong Engineering & Technology Research Center for Jujube Food and Drug, 44 West Wenhua Road, Jinan 250012, China
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18
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Chen ZG, Buchanan P, Quek SY. Development and validation of an HPLC-DAD-MS method for determination of four nucleoside compounds in the New Zealand native mushroom Hericium sp. Food Chem 2019; 278:729-737. [PMID: 30583435 DOI: 10.1016/j.foodchem.2018.11.115] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/09/2018] [Accepted: 11/22/2018] [Indexed: 12/15/2022]
Abstract
To identify and quantify the content of nucleoside compounds in the New Zealand native edible mushroom Hericium sp., a high-performance liquid chromatography coupled with a triple quadrupole detector mass method was developed and validated. Four nucleoside substitutes, namely cytidine, uridine, adenosine, and guanosine, were identified. Optimization was conducted to study the effect of extraction method type, solvent pH, and extraction time. The optimal conditions were obtained using ultrasonic treatment in water at pH 3.8 for 30 min. For chromatographic separation, a C18 column was applied using 0.1% formic acid (pH 3.4) as the mobile phase with detection at 260 nm. The total concentration of the four nucleoside compounds was high, at 10.7 mg/g dry weight, indicating a potential benefit for human health. The excellent validation results based on selectivity, linearity, precision, accuracy and robustness revealed the reliability of the newly developed analytical method, which could be applied routinely in research laboratories.
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Affiliation(s)
- Zhixia Grace Chen
- Food Science, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand.
| | - Peter Buchanan
- Manaaki Whenua - Landcare Research, Auckland 1072, New Zealand.
| | - Siew Young Quek
- Food Science, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; Riddet Institute, New Zealand Centre of Research Excellence for Food Research, Palmerston North 4474, New Zealand.
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19
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Zheng W, Xu D, Wang M, Zhang Y, Gao Q, Gao Y. Fingerprint Analysis and Multi-Component Determination of Ribonucleic Acid for Injection II Recipe by HPLC-DAD and LC-ESI-MS Methods. J Chromatogr Sci 2019; 57:238-242. [PMID: 30590524 DOI: 10.1093/chromsci/bmy105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Indexed: 12/22/2022]
Abstract
Using high-performance liquid chromatography (HPLC), a quantitative method was developed to control the quality of ribonucleic acid for injection II (RA-II), which is used as an anti-cancer drug clinically in China. Using nuclease enzyme and under optimal hydrolysis conditions, the unstable RNA was hydrolyzed into stable nucleosides and nucleotides, which were easily detected by HPLC with diode array detection. Furthermore, by analyzing HPLC chromatograms of 10 batches of samples, six common peaks, namely, cytosine nucleotide, uracil nucleotide, adenine nucleotide, guanine nucleotide, guanosine and adenine, were identified by a HLPC coupled with electrospray ionization mass spectrometry. The similarity, the relative retention time and the relative peak area of each common peak, relative to the reference peak, were calculated to obtain the HPLC fingerprints, and their values were within the scope of the provisions. More importantly, all six components were simultaneously determined. Overall, the developed method in this investigation proved to be a useful tool for monitoring the quality of RA-II in terms of their batch variations and the raw material sources.
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Affiliation(s)
- Wei Zheng
- Departments of Ophthalmology, The Affiliated Hospital, Changchun University of Chinese Medicine, No 1478, Gongnong Road, Changchun, Jilin, China
| | - Duoduo Xu
- Center of Research & Development, Changchun University of Chinese Medicine, No 1035, Boshuo Road Changchun, Jilin, China.,Macromolecule of Chinese Medicine Key Lab of Jilin Province, Changchun, Jilin, China
| | - Mingxing Wang
- Preparation Center, The Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Yanqiu Zhang
- Preparation Center, The Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Qipin Gao
- Center of Research & Development, Changchun University of Chinese Medicine, No 1035, Boshuo Road Changchun, Jilin, China.,Macromolecule of Chinese Medicine Key Lab of Jilin Province, Changchun, Jilin, China
| | - Yang Gao
- Center of Research & Development, Changchun University of Chinese Medicine, No 1035, Boshuo Road Changchun, Jilin, China.,Macromolecule of Chinese Medicine Key Lab of Jilin Province, Changchun, Jilin, China
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20
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Zhang Q, Zhou DD, Li F, Wang YZ, Yang FQ. Extraction of nucleobases, nucleosides and nucleotides by employing a magnetized graphene oxide functionalized with hydrophilic phytic acid and titanium(IV) ions. Mikrochim Acta 2019; 186:187. [PMID: 30771073 DOI: 10.1007/s00604-019-3308-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 02/04/2019] [Indexed: 12/26/2022]
Abstract
A magnetite@graphene oxide nanocomposite was first coated with polyethylenimine and then modified with phytic acid and titanium(IV) ions. The high loading with Ti(IV) and the good hydrophilicity of PEI and PA result in a material that can be applied to the efficient extraction of highly polar nucleobases, nucleosides and nucleotides. The physicochemical properties of the composite were investigated by scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, water contact angle measurements, thermogravimetric analysis, and vibrating sample magnetometry. A series of parameters that affect extraction and elution under the conditions of immobilized metal affinity chromatography (IMAC) and hydrophilic interaction liquid chromatography (HILIC) were examined. The analytes were eluted from the nanocomposites using 10 mM trisodium phosphate as the elution solution in the IMAC mode, and 50% methanol-water as elution solution in the HILIC mode. Figures of merit include (a) an intra-day precision of 0.1-1.0% in the IMAC mode; (b) an intra-day precision of 0.4%-0.8% in the HILIC mode; (c) detection limits between 1.8-2.8 ng mL-1 in the IMAC mode; and (d) detection limits of 4.0-10.5 ng mL-1 in the HILIC mode. The method was applied to the extraction of the nucleotides cytidine-5'-monophosphate (CMP), uridine-5'-monophosphate (UMP), guanosine-5'-monophosphate (GMP), and adenosine-5'-monophosphate (AMP), and the nucleobases and nucleosides hypoxanthine, adenosine, cytosine, inosine and cytidine from Cordyceps sinensis, Lentinus edodes and plasma samples. Graphical abstract Schematic presentation of the workflow for the extraction of nucleobases, nucleosides and nucleotides using phytic acid-Ti(IV) functionalized magnetite@graphene oxide nanocomposites under two distinct modes.
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Affiliation(s)
- Qian Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Dong-Dong Zhou
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Fan Li
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Yin-Zhen Wang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, People's Republic of China.
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21
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Chen R, Kang J. Quantitative Analysis of Components in Ganoderma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1181:135-155. [DOI: 10.1007/978-981-13-9867-4_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Ahmad MF. Ganoderma lucidum: Persuasive biologically active constituents and their health endorsement. Biomed Pharmacother 2018; 107:507-519. [DOI: 10.1016/j.biopha.2018.08.036] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 08/06/2018] [Accepted: 08/10/2018] [Indexed: 11/27/2022] Open
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23
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From nutraceutical to clinical trial: frontiers in Ganoderma development. Appl Microbiol Biotechnol 2018; 102:9037-9051. [DOI: 10.1007/s00253-018-9326-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 08/11/2018] [Accepted: 08/25/2018] [Indexed: 12/26/2022]
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24
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Antitumour, Antimicrobial, Antioxidant and Antiacetylcholinesterase Effect of Ganoderma Lucidum Terpenoids and Polysaccharides: A Review. Molecules 2018. [PMID: 29534044 PMCID: PMC6017764 DOI: 10.3390/molecules23030649] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Ganoderma lucidum (Reishi) is a popular medicinal mushroom and has been used in oriental medicine because of its promoting effects on health and life expectancy. G. lucidum contains various compounds with a high grade of biological activty, which increase the immunity and show antitumour, antimicrobial, anti-inflammatory, antioxidant and acetylcholinesterase inhibitory activity. Several of these substances belong to the triterpenoids and polysaccharides classes. Proteins, lipids, phenols, sterols, etc. are also present. In the present review, an extensive overview of the presence of antitumour, antimicrobial, antioxidant and antiacetylcholinesterase compounds in G. lucidum extracts will be given, along with an evaluation of their therapeutic effects.
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Papetti A, Signoretto C, Spratt DA, Pratten J, Lingström P, Zaura E, Ofek I, Wilson M, Pruzzo C, Gazzani G. Components in Lentinus edodes mushroom with anti-biofilm activity directed against bacteria involved in caries and gingivitis. Food Funct 2018; 9:3489-3499. [DOI: 10.1039/c7fo01727h] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The present study investigated the compounds present in the low molecular mass fraction of Lentinus edodes mushroom (shiitake) extract and their anti-virulence activity against oral pathogens.
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Affiliation(s)
- Adele Papetti
- Department of Drug Sciences
- University of Pavia
- 27100 Pavia
- Italy
| | - Caterina Signoretto
- Department of Diagnostics and Public Health
- section of Microbiology
- University of Verona
- 37134 Verona
- Italy
| | - David A. Spratt
- Department of Microbial Diseases
- UCL Eastman Dental Institute
- London
- UK
| | - Jonathan Pratten
- Department of Microbial Diseases
- UCL Eastman Dental Institute
- London
- UK
| | - Peter Lingström
- Department of Cariology
- Institute of Odontology at Sahlgrenska Academy
- University of Gothenburg
- Gothenburg
- Sweden
| | - Egija Zaura
- Department of Preventive Dentistry
- Academic Centre for Dentistry Amsterdam (ACTA)
- University of Amsterdam and Vrije Universiteit Amsterdam
- 1081 LA Amsterdam
- the Netherlands
| | - Itzhak Ofek
- Department of Clinical Microbiology and Immunology
- Sackler Faculty of Medicine
- Tel Aviv University 9778 Tel Aviv
- Israel
| | - Michael Wilson
- Department of Microbial Diseases
- UCL Eastman Dental Institute
- London
- UK
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Phan CW, Wang JK, Cheah SC, Naidu M, David P, Sabaratnam V. A review on the nucleic acid constituents in mushrooms: nucleobases, nucleosides and nucleotides. Crit Rev Biotechnol 2017; 38:762-777. [PMID: 29124970 DOI: 10.1080/07388551.2017.1399102] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mushrooms have become increasingly important as a reliable food source. They have also been recognized as an important source of bioactive compounds of high nutritional and medicinal values. The nucleobases, nucleosides and nucleotides found in mushrooms play important roles in the regulation of various physiological processes in the human body via the purinergic and/or pyrimidine receptors. Cordycepin, a 3'-deoxyadenosine found in Cordyceps sinensis has received much attention as it possesses many medicinal values including anticancer properties. In this review, we provide a broad overview of the distribution of purine nucleobases (adenine and guanine); pyrimidine nucleobases (cytosine, uracil, and thymine); nucleosides (uridine, guanosine, adenosine and cytidine); as well as novel nucleosides/tides in edible and nonedible mushrooms. This review also discusses the latest research focusing on the successes, challenges, and future perspectives of the analytical methods used to determine nucleic acid constituents in mushrooms. Besides, the exotic taste and flavor of edible mushrooms are attributed to several nonvolatile and water-soluble substances, including the 5'-nucleotides. Therefore, we also discuss the total flavor 5'-nucleotides: 5'-guanosine monophosphate (5'-GMP), 5'-inosine monophosphate (5'-IMP), and 5'-xanthosine monophosphate (5'-XMP) in edible mushrooms.
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Affiliation(s)
- Chia-Wei Phan
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Joon-Keong Wang
- c Faculty of Medicine and Health Sciences , UCSI University , Kuala Lumpur , Malaysia
| | - Shiau-Chuen Cheah
- c Faculty of Medicine and Health Sciences , UCSI University , Kuala Lumpur , Malaysia
| | - Murali Naidu
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Pamela David
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Vikineswary Sabaratnam
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,d Institute of Biological Sciences, Faculty of Science , University of Malaya , Kuala Lumpur , Malaysia
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Graphene oxides/multi-walled carbon nanotubes hybrid-modified carbon electrodes for fast and sensitive voltammetric determination of the anticancer drug 5-fluorouracil in spiked human plasma samples. CHEMICAL PAPERS 2017. [DOI: 10.1007/s11696-017-0295-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Huang Y, Zhang T, Zhao Y, Zhou H, Tang G, Fillet M, Crommen J, Jiang Z. Simultaneous analysis of nucleobases, nucleosides and ginsenosides in ginseng extracts using supercritical fluid chromatography coupled with single quadrupole mass spectrometry. J Pharm Biomed Anal 2017; 144:213-219. [DOI: 10.1016/j.jpba.2017.03.059] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/20/2017] [Accepted: 03/29/2017] [Indexed: 11/29/2022]
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Domínguez-Álvarez J, Mateos-Vivas M, Rodríguez-Gonzalo E, García-Gómez D, Bustamante-Rangel M, Delgado Zamarreño MM, Carabias-Martínez R. Determination of nucleosides and nucleotides in food samples by using liquid chromatography and capillary electrophoresis. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.04.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Qian Z, Li S. Analysis of Cordyceps by multi-column liquid chromatography. Acta Pharm Sin B 2017; 7:202-207. [PMID: 28303227 PMCID: PMC5343111 DOI: 10.1016/j.apsb.2016.10.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 07/09/2016] [Accepted: 08/11/2016] [Indexed: 12/29/2022] Open
Abstract
Cordyceps is a famous traditional Chinese medicine (TCM) that has been used in China for hundreds of years. In the present study a multi-column liquid chromatography (MC-LC) system was developed for the qualitative analysis of macromolecules and micromolecules in Cordyceps. The MC-LC system includes a size exclusion pre-column, a size exclusion column (SEC) and a reversed phase column (RP) which were controlled by column-switching valves. The sample was separated by the size exclusion pre-column into two fractions (macromolecules and micromolecules). These fractions were further separated on SEC and RP columns, respectively. A diode array detector (DAD) and a mass spectrometer (MS) were used to detect the components. This MC-LC method was utilized for analysis of Cordyceps samples. Two macromolecular peaks and 15 micromolecular peaks were found in Cordyceps, and 11 of the micromolecular peaks were identified as adenosine-5'-monophosphate (AMP), phenylalanine, uridine, hypoxanthine, inosine, guanine, guanosine, deoxyadenosine-5'-monophosphate (dAMP), adenosine, adenine and cordycepin (or its isomer). This method is useful for quality control of Cordyceps.
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Affiliation(s)
- Zhengming Qian
- Institute of Chinese Medical Sciences, University of Macau, Macao, China
- Key Laboratory of State Administration of Traditional Chinese Medicine, Sunshine Lake Pharma Co., Ltd., Dongguan 523850, China
| | - Shaoping Li
- Institute of Chinese Medical Sciences, University of Macau, Macao, China
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Sarkar HS, Das S, Mandal D, Uddin MR, Mandal S, Sahoo P. “Turn-on” fluorescence sensing of cytosine: development of a chemosensor for quantification of cytosine in human cancer cells. RSC Adv 2017. [DOI: 10.1039/c7ra11096k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Pyrene appended 5-hydroxyisophthalic acid derivative (PIA) has been developed and characterized for selective detection and quantification of cytosine in different human cancer cells.
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Affiliation(s)
| | - Sujoy Das
- Department of Chemistry
- Visva-Bharati University
- India
| | - Debasish Mandal
- Institute of Chemistry
- The Hebrew University of Jerusalem
- 91904 Jerusalem
- Israel
| | - Md Raihan Uddin
- Department of Microbiology
- University of Calcutta
- Kolkata-700019
- India
| | - Sukhendu Mandal
- Department of Microbiology
- University of Calcutta
- Kolkata-700019
- India
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32
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Bukkitgar SD, Shetti NP. Electrochemical Sensor for the Determination of Anticancer Drug 5- Fluorouracil at Glucose Modified Electrode. ChemistrySelect 2016. [DOI: 10.1002/slct.201600197] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Shikandar D. Bukkitgar
- Department of Chemistry; K.L.E. Institution of Technology; Opposite to airport, Gokul, Hubballi- 580030 Karnataka India
| | - Nagaraj P. Shetti
- Department of Chemistry; K.L.E. Institution of Technology; Opposite to airport, Gokul, Hubballi- 580030 Karnataka India
- Affiliated to Visvesvaraya Technological University, Belgavi; Karnataka India
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Khan MS, Parveen R, Mishra K, Tulsawani R, Ahmad S. Determination of nucleosides in Cordyceps sinensis and Ganoderma lucidum by high performance liquid chromatography method. J Pharm Bioallied Sci 2015; 7:264-6. [PMID: 26681879 PMCID: PMC4678991 DOI: 10.4103/0975-7406.168022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Nucleosides are supportive in the regulation and modulation of various physiological processes in body, they acts as precursors in nucleic acid synthesis, enhance immune response, help in absorption of iron and influence the metabolism of fatty acids. Cordyceps sinensis and Ganoderma lucidum are well-known for its use in traditional medicine of China, Nepal and India. They are rich in nucleosides such as adenine, adenosine, cordycepin, etc. Hence, a simple, economic and accurate high-performance liquid chromatography (HPLC) analytical method was proposed for determination of adenine and adenosine for the quality control of plants. MATERIALS AND METHODS Chromatographic experiments were conducted on YL9100 HPLC system (South Korea). Reversed-phase chromatography was performed on a C18 column with methanol and dihydrogen phosphate as the mobile phase in isocratic elution method at a flow rate of 1.0 mL/min. Detection was carried out at 254 nm, which gives a sharp peak of adenine and adenosine at a retention time of 6.53 ± 0.02 min and 12.41 ± 0.02, respectively. RESULTS AND DISCUSSION Linear regression analysis data for the calibration plot showed a good linear relationship between response and concentration in the range of 25-200 µg/mL for adenosine and 100-800 µg/mL for adenine with regression coefficient of 0.999 and 0.996, respectively. The adenine was found 0.16% and 0.71% w/w in G. lucidum and in C. sinensis, respectively, and adenosine was found to be 0.14% w/w in G. lucidum whereas absent in C. sinensis. CONCLUSION The developed HPLC method for the quantification of adenosine and adenine can be used for the quality control and standardization of crude drug and for the different herbal formulations, in which adenine and adenosine are present as major constituents. The wide linearity range, sensitivity, accuracy, and simple mobile phase imply the method is suitable for routine quantification of adenosine and adenine with high precision and accuracy.
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Affiliation(s)
- Masood Shah Khan
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Bioactive Natural Product Laboratory, Jamia Hamdard, Uttar Pradesh, India ; Department of Pharmacy, Faculty of Science, Mohammad Ali Jauhar University, Rampur, Uttar Pradesh, India
| | - Rabea Parveen
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Bioactive Natural Product Laboratory, Jamia Hamdard, Uttar Pradesh, India
| | - Kshipra Mishra
- Defence Institute of Physiology and Allied Sciences, New Delhi, India
| | | | - Sayeed Ahmad
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Bioactive Natural Product Laboratory, Jamia Hamdard, Uttar Pradesh, India
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Hartmann A, Albert A, Ganzera M. Effects of elevated ultraviolet radiation on primary metabolites in selected alpine algae and cyanobacteria. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2015; 149:149-55. [PMID: 26065817 PMCID: PMC4509709 DOI: 10.1016/j.jphotobiol.2015.05.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/22/2015] [Accepted: 05/25/2015] [Indexed: 12/02/2022]
Abstract
Extremophilic green algae and cyanobacteria are the most abundant species in high mountain habitats, where rough climate conditions such as temperature differences, limited water retention and high ultraviolet (UV) radiation are the cause for a restricted biological diversity in favor of a few specialized autotrophic microorganisms. In this study, we investigated four algal species from alpine habitat in a sun simulator for their defense strategies in response to UV-A radiation (315-400nm) up to 13.4W/m(2) and UV-B radiation (280-315nm) up to 2.8W/m(2). Besides changes in pigment composition we discovered that primary polar metabolites like aromatic amino acids, nucleic bases and nucleosides are increasingly produced when the organisms are exposed to elevated UV radiation. Respective compounds were isolated and identified, and in order to quantify them an HPLC-DAD method was developed and validated. Our results show that especially tyrosine and guanosine were found to be generally two to three times upregulated in the UV-B exposed samples compared to the non-treated control.
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Affiliation(s)
- Anja Hartmann
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, 6020 Innsbruck, Austria
| | - Andreas Albert
- Research Unit Environmental Simulation, Institute of Biochemical Plant Pathology, Helmholtz Center Munich, 85764 Neuherberg, Germany
| | - Markus Ganzera
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, 6020 Innsbruck, Austria.
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Zhang K, Yao S, Li G, Hu Y. One-step sonoelectrochemical fabrication of gold nanoparticle/carbon nanosheet hybrids for efficient surface-enhanced Raman scattering. NANOSCALE 2015; 7:2659-2666. [PMID: 25580806 DOI: 10.1039/c4nr07082h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A simple, fast, reproducible and efficient one-step fabrication method was successfully developed to prepare gold nanoparticle/carbon nanosheet (Au NP/CNS) hybrids by using sonoelectrochemistry. This method involved simultaneous generation of carbon nanosheets (CNSs) by oxidation of a graphite anode and generation of Au NPs by reduction of AuCl4(-) on the surface of the cathode. Then the Au NPs modified with poly(diallyl dimethyl ammonium chloride) were self-assembled on the surface of the CNS. A homemade sonoelectrochemical device that provided both high-intensity electric and ultrasonic fields was applied. The ability to obtain Au NPs with a controlled size and distribution on the surface of the CNS benefitted from the synergistic effect of the electric field and ultrasonic field. The Au NPs on the CNS surface exhibited distinctive and high-quality SERS activity. The enhancement factor of the developed substrate was 1.2 × 10(6) using 4-aminothiophenol as the probe molecule. The Au NP/CNS hybrid showed a great increase of Raman signals for aromatic molecules because of the high affinity of the CNS for aromatic molecules and the SERS activity of Au NPs. This SERS substrate also showed charge selectivity for cationic aromatic dyes, due to the negative charge on the surface of the CNS. Subsequently, the potential practical application of the SERS substrate was evaluated by quantitative analysis of adenine. The results suggest that Au NP/CNS materials as sensitive SERS-active substrates have great potential for detection of biomolecules.
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Affiliation(s)
- Kaige Zhang
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China.
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36
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Ha DT, Loan LT, Hung TM, Han LVN, Khoi NM, Dung LV, Min BS, Nguyen NPD. An improved HPLC-DAD method for quantitative comparisons of triterpenes in Ganoderma lucidum and its five related species originating from Vietnam. Molecules 2015; 20:1059-77. [PMID: 25584835 PMCID: PMC6272446 DOI: 10.3390/molecules20011059] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 01/05/2015] [Indexed: 11/25/2022] Open
Abstract
An HPLC-DAD method for the quality control of wild and cultivated Ganoderma lucidum (Linhzhi) and related species samples was developed and validated. The quantitative determination of G. lucidum and its related species using 14 triterpene constituents, including nine ganoderma acids (compounds 4-12), four alcohols (compounds 13-16), and one sterol (ergosterol, 17) were reported. The standard curves were linear over the concentration range of 7.5-180 µg/mL. The LOD and LOQ values for the analyses varied from 0.34 to 1.41 µg/mL and from 1.01 to 4.23 µg/mL, respectively. The percentage recovery of each reference compound was found to be from 97.09% to 100.79%, and the RSD (%) was less than 2.35%. The precision and accuracy ranged from 0.81%-3.20% and 95.38%-102.19% for intra-day, and from 0.43%-3.67% and 96.63%-103.09% for inter-day, respectively. The study disclosed in detail significant differences between the quantities of analyzed compounds in different samples. The total triterpenes in wild Linhzhi samples were significantly higher than in cultivated ones. The total constituent contents of the five related Linhzhi samples were considerably lower than that in the G. lucidum specimens, except for G. australe as its constituent content outweighed wild Linhzhi's content by 4:1.
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Affiliation(s)
- Do Thi Ha
- National Institute of Medicinal Materials (NIMM), 3B Quangtrung, Hoankiem, Hanoi 100000, Vietnam.
| | - Le Thi Loan
- National Institute of Medicinal Materials (NIMM), 3B Quangtrung, Hoankiem, Hanoi 100000, Vietnam.
| | - Tran Manh Hung
- Faculty of Chemistry, University of Science, Vietnam National University-HoChiMinh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City 227-01, Vietnam.
| | - Le Vu Ngoc Han
- National Institute of Medicinal Materials (NIMM), 3B Quangtrung, Hoankiem, Hanoi 100000, Vietnam.
| | - Nguyen Minh Khoi
- National Institute of Medicinal Materials (NIMM), 3B Quangtrung, Hoankiem, Hanoi 100000, Vietnam.
| | - Le Viet Dung
- National Institute of Medicinal Materials (NIMM), 3B Quangtrung, Hoankiem, Hanoi 100000, Vietnam.
| | - Byung Sun Min
- College of Pharmacy, Catholic University of Daegu, Gyeungbuk 712-702, Korea.
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Meng LZ, Xie J, Lv GP, Hu DJ, Zhao J, Duan JA, Li SP. A comparative study on immunomodulatory activity of polysaccharides from two official species of Ganoderma (Lingzhi). Nutr Cancer 2014; 66:1124-31. [PMID: 25204488 DOI: 10.1080/01635581.2014.948215] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Two Ganoderma species, G. lucidum and G. sinense, are listed as Lingzhi in Chinese Pharmacopoeia and they are considered to have the same therapeutic effects. Polysaccharides were the main immunomodulatory and anticancer components in Ganoderma. In this study, the chemical characters and the effects of polysaccharides from G. lucidum (GLPS) and G. sinense (GSPS) on macrophage functions were investigated and compared. Chemical studies showed that GLPS and GSPS were different, displaying various molecular weight distribution and ratio of monosaccharide components. In vitro pharmacological studies showed that both GLPS and GSPS had potent effects on macrophage functions, such as promoting macrophage phagocytosis, increasing their release of nitric oxide and cytokines interleukin (IL)-1α, IL-6, IL-10, and tumor necrosis factor-α. Generally, GLPS was more powerful than GSPS. This study is helpful to elucidate the active components and pharmacological variation between the 2 Ganoderma species. The structure-activity relationship of polysaccharides from Ganoderma needs further study.
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Affiliation(s)
- Lan-Zhen Meng
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Macao SAR , China
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Yue GGL, Chan BCL, Han XQ, Cheng L, Wong ECW, Leung PC, Fung KP, Ng MCH, Fan K, Sze DMY, Lau CBS. Immunomodulatory activities of Ganoderma sinense polysaccharides in human immune cells. Nutr Cancer 2014; 65:765-74. [PMID: 23859044 DOI: 10.1080/01635581.2013.788725] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Medicinal mushrooms have been traditionally used as food nutrient supplements in China for thousands of years. The present study aimed to evaluate the immunomodulatory activities of Ganoderma sinense (GS), an allied species of G. lucidum, using human peripheral blood mononuclear cells (PBMC). Our results showed that the polysaccharide-enriched fraction of GS hot water extract (400 μg/ml) exhibited significant stimulatory effects on PBMC proliferation. When the fruiting bodies of GS were divided into pileus and stipe parts and were separately extracted, the GS stipe polysaccharide-enriched fraction (50-400 μg/ml) showed concentration-dependent immunostimulating effects in PBMC. The productions of tumor necrosis factor-α, interleukin (IL)-10, and transforming growth factor -β were significantly enhanced by this fraction. In addition, the proportion of CD14(+) monocyte subpopulation within the PBMC was specifically increased. The IL-10 and IL-12 productions in monocyte-derived dendritic cells were significantly enhanced by GS stipe fraction. The composition of monosaccharides of this fraction was determined by ultra performance liquid chromatography and ion exchange chromatography. Our study demonstrated for the first time the immunostimulatory effects of GS stipe polysaccharide-enriched fraction on PBMC and dendritic cells. The findings revealed the potential use of GS (especially including the stipes of fruiting bodies) as adjuvant nutrient supplements for patients, who are receiving immunosuppressive chemotherapies.
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Affiliation(s)
- Grace G L Yue
- Institute of Chinese Medicine, State Key Laboratory of Phytochemistry and Plant Resources in West China, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR
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Li F, Duan JA, Qian D, Guo S, Ding Y, Liu X, Qian Y, Peng Y, Ren Y, Chen Y. Comparative analysis of nucleosides and nucleobases from different sections of Elaphuri Davidiani Cornu and Cervi Cornu by UHPLC–MS/MS. J Pharm Biomed Anal 2013; 83:10-8. [DOI: 10.1016/j.jpba.2013.04.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2012] [Revised: 04/04/2013] [Accepted: 04/06/2013] [Indexed: 11/16/2022]
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Chen F, Zhang F, Yang N, Liu X. Simultaneous Determination of 10 Nucleosides and Nucleobases in Antrodia camphorata Using QTRAP LC–MS/MS. J Chromatogr Sci 2013; 52:852-61. [DOI: 10.1093/chromsci/bmt128] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Zhao HQ, Wang X, Li HM, Yang B, Yang HJ, Huang L. Characterization of nucleosides and nucleobases in natural Cordyceps by HILIC-ESI/TOF/MS and HILIC-ESI/MS. Molecules 2013; 18:9755-69. [PMID: 23955321 PMCID: PMC6270082 DOI: 10.3390/molecules18089755] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Revised: 08/07/2013] [Accepted: 08/08/2013] [Indexed: 11/17/2022] Open
Abstract
A method combining hydrophilic interaction chromatography (HILIC) and electrospray ionization mass spectrometry (ESI-MS) was developed for the characterization and determination of natural Cordyceps. Separation was achieved on a Waters Xbridge Amide column with gradient elution. Identification of 15 target nucleosides and nucleobases was based on retention time, UV spectra and mass measurements of the protonated molecules ([M+H]⁺) and main fragment ions (ESI-TOF/MS). Eight non-target compounds were tentatively identified by ESI-TOF/MS. The 15 target compounds were quantified by HILIC-ESI-MS/MS using time-programmed selective ion monitoring or multiple reaction monitoring in positive-ion mode under optimized mass conditions. This technique showed good linearity, repeatability and recovery. This approach was also successfully implemented in the analysis of nucleosides and nucleobases in 12 batches of natural Cordyceps samples that were collected from different regions in China. The developed HILIC-ESI-MS method exhibited clear advantages in identifying and determining highly polar bioactive components in Cordyceps, as well as their quality control.
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Affiliation(s)
- Heng-Qiang Zhao
- Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, Shangdong, China
| | - Xiao Wang
- Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, Shangdong, China
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Hong-Mei Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Bin Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Hong-Jun Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Luqi Huang
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
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Li F, Yang FQ, Xia ZN. Simultaneous Determination of Ten Nucleosides and Related Compounds by MEEKC with [BMIM]PF6 as Oil Phase. Chromatographia 2013. [DOI: 10.1007/s10337-013-2507-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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43
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Zhou Y, Liu X, Chen F, Zhang F. Simultaneous quantitative determination of eight index constituents and compatibility changes in Longchai Decoction by UPLC–Q-TOF-MS. Acta Pharm Sin B 2013. [DOI: 10.1016/j.apsb.2013.06.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Ji J, Hu J, Chen S, Liu R, Wang L, Cheng J, Wu H. Development and application of a method for determination of nucleosides and nucleobases in Mactra veneriformis. Pharmacogn Mag 2013; 9:96-102. [PMID: 23772103 PMCID: PMC3680862 DOI: 10.4103/0973-1296.111241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 04/05/2012] [Accepted: 04/30/2013] [Indexed: 11/30/2022] Open
Abstract
Background: Mactra veneriformis, a typical marine bivalve mollusk, delicious sea food while low cost, is ubiquitous and abundant in Chinese coastal areas, especially in the coastal shoals of Jiangsu province. To our knowledge, previously reported analytical methods can not meet a set of quality control. Objective: For the simultaneous determination of eight components (uridine, inosine, guanosine, thymidine, adenosine, xanthine, thymine and hypoxanthine) in M. veneriformis, a high performance liquid chromatography with UV detector method was established. Materials and Methods: To develop the method, a reverse phase column, BioBasic-C18 (5 μm, 4.6 mm × 250 mm) was used. The mobile phase consisted of methanol and water using a gradient elution. The UV wavelength was set at 245 nm. The analysis conditions including extraction methods, extraction solvents, and HPLC parameters were optimized systematically for achieving good separation. Linearity, accuracy, repeatability and detection limit was revealed and showed good performance. Results: The optimized HPLC method was successfully applied for the qualititation of 5 nucleosides namely, uridine, inosine, guanosine, thymidine, adenosine and 3 nucleobases namely, xanthine, thymine, hypoxanthine in M. veneriformis. Conclusion: A method with less time-consuming, more sensitive, and more precise was developed for the quantitative determination of nucleosides and nucleobases in M. veneriformis extractions. The established method might apply as an alternative approach for the quality assessment of M. veneriformis.
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Affiliation(s)
- Jing Ji
- Marine Medicine Research and Development Center, College of Pharmaceutical Science, Nanjing University of Chinese Medicine, Nanjing, China
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Guo S, Duan JA, Qian D, Wang H, Tang Y, Qian Y, Wu D, Su S, Shang E. Hydrophilic interaction ultra-high performance liquid chromatography coupled with triple quadrupole mass spectrometry for determination of nucleotides, nucleosides and nucleobases in Ziziphus plants. J Chromatogr A 2013; 1301:147-55. [PMID: 23800804 DOI: 10.1016/j.chroma.2013.05.074] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 05/20/2013] [Accepted: 05/29/2013] [Indexed: 02/06/2023]
Abstract
In this study, a rapid and sensitive analytical method was developed for the determination of 20 nucleobases, nucleosides and nucleotides in Ziziphus plants at trace levels by using hydrophilic interaction ultra-high performance liquid chromatography coupled with triple-quadrupole tandem mass spectrometry (HILIC-UHPLC-TQ-MS/MS) in multiple-reaction monitoring (MRM) mode. Under the optimized chromatographic conditions, good separation for 20 target compounds were obtained on a UHPLC Amide column with sub-2μm particles within 10min. The overall LODs and LOQs were between 0.11-3.12ngmL(-1) and 0.29-12.48ngmL(-1) for the 20 analytes, respectively. It is the first report about simultaneous analysis of nucleobases, nucleosides and nucleotides in medicinal plants using HILIC-UHPLC-TQ-MS/MS method, which affords good linearity, precision, repeatability and accuracy. The developed method was successfully applied to Ziziphus plant (Z. jujuba, Z. jujuba var. spinosa and Z. mauritiana) samples. The analysis showed that the fruits and leaves of Ziziphus plants are rich in nucleosides and nucleobases as well as nucleotides, and could be selected as the healthy food resources. Our results in present study suggest that HILIC-UHPLC-TQ-MS/MS method could be employed as a useful tool for quality assessment of the samples from the Ziziphus plants as well as other medicinal plants or food samples using nucleotides, nucleosides and nucleobases as markers.
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Affiliation(s)
- Sheng Guo
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, China
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Gao QH, Wu CS, Wang M. The jujube (Ziziphus jujuba Mill.) fruit: a review of current knowledge of fruit composition and health benefits. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:3351-63. [PMID: 23480594 DOI: 10.1021/jf4007032] [Citation(s) in RCA: 275] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The nutritional jujube ( Ziziphus jujube Mill.) fruit belonging to the Rhamnaceous family grows mostly in Europe, southern and eastern Asia, and Australia, especially the inland region of northern China. Jujube has a long history of usage as a fruit and remedy. The main biologically active components are vitamin C, phenolics, flavonoids, triterpenic acids, and polysaccharides. Recent phytochemical studies of jujube fruits have shed some light on their biological effects, such as the anticancer, anti-inflammatory, antiobesity, immunostimulating, antioxidant, hepatoprotective, and gastrointestinal protective activities and inhibition of foam cell formation in macrophages. A stronger focus on clinical studies and phytochemical definition of jujube fruits will be essential for future research efforts. This review may be useful for predicting other medicinal uses and potential drug or food interactions and may be beneficial for people living where the jujube fruits are prevalent and health care resources are scarce.
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Affiliation(s)
- Qing-Han Gao
- College of Food Science and Engineering, Northwest A&F University, YangLing, Shaanxi 712100, People's Republic of China
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Song W, Li Y, Wang J, Li Z, Zhang J. Characterization of nucleobases and nucleosides in the fruit ofAlpinia oxyphyllacollected from different cultivation regions. Drug Test Anal 2013; 6:239-45. [DOI: 10.1002/dta.1462] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 01/10/2013] [Accepted: 01/10/2013] [Indexed: 12/19/2022]
Affiliation(s)
- Wenjing Song
- School of Pharmacy; Hainan Medical University; Haikou 571199 P.R. China
- Hainan Provincial Key Laboratory of R&D on Tropical Medicinal Plants; Haikou 571199 P.R. China
| | - Yonghui Li
- School of Pharmacy; Hainan Medical University; Haikou 571199 P.R. China
- Hainan Provincial Key Laboratory of R&D on Tropical Medicinal Plants; Haikou 571199 P.R. China
| | - Jianguo Wang
- School of Pharmacy; Hainan Medical University; Haikou 571199 P.R. China
| | - Zeyou Li
- School of Pharmacy; Hainan Medical University; Haikou 571199 P.R. China
- Hainan Provincial Key Laboratory of R&D on Tropical Medicinal Plants; Haikou 571199 P.R. China
| | - Junqing Zhang
- School of Pharmacy; Hainan Medical University; Haikou 571199 P.R. China
- Hainan Provincial Key Laboratory of R&D on Tropical Medicinal Plants; Haikou 571199 P.R. China
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Characterisation of nucleosides and nucleobases in Mactra veneriformis by high performance liquid chromatography coupled with diode array detector-mass spectrometry (HPLC–DAD–MS). Food Chem 2012; 135:548-54. [DOI: 10.1016/j.foodchem.2012.05.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 02/17/2012] [Accepted: 05/02/2012] [Indexed: 11/19/2022]
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49
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Qian Z, Zhao J, Li D, Hu D, Li S. Analysis of global components in Ganoderma using liquid chromatography system with multiple columns and detectors. J Sep Sci 2012; 35:2725-34. [DOI: 10.1002/jssc.201200441] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 07/01/2012] [Accepted: 07/02/2012] [Indexed: 11/11/2022]
Affiliation(s)
- Zhengming Qian
- State Key Laboratory of Quality Research in Chinese Medicine, and Institute of Chinese Medical Sciences; University of Macau; Macao SAR China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, and Institute of Chinese Medical Sciences; University of Macau; Macao SAR China
| | - Deqiang Li
- State Key Laboratory of Quality Research in Chinese Medicine, and Institute of Chinese Medical Sciences; University of Macau; Macao SAR China
| | - Dejun Hu
- State Key Laboratory of Quality Research in Chinese Medicine, and Institute of Chinese Medical Sciences; University of Macau; Macao SAR China
| | - Shaoping Li
- State Key Laboratory of Quality Research in Chinese Medicine, and Institute of Chinese Medical Sciences; University of Macau; Macao SAR China
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Nonhydrolytic sol–gel derived imprinted polymer–multiwalled carbon nanotubes composite fiber sensors for electrochemical sensing of uracil and 5-fluorouracil. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.03.110] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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