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Kim GM, Ko CH, Chung JM, Kwon HC, Rhie YH, Lee SY. Seed Dormancy Class and Germination Characteristics of Prunus spachiana (Lavallée ex Ed.Otto) Kitam. f. ascendens (Makino) Kitam Native to the Korean Peninsula. PLANTS (BASEL, SWITZERLAND) 2024; 13:502. [PMID: 38498410 PMCID: PMC10891651 DOI: 10.3390/plants13040502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 03/20/2024]
Abstract
Prunus spachiana (Lavallée ex Ed.Otto) Kitam. f. ascendens (Makino) Kitam leaves exert natural anti-inflammatory effects by inhibiting nitric oxide formation. P. spachiana flowers bloom earlier than other Prunus spp. and thus could serve as a valuable resource for the horticulture and pharmaceutical industries. However, its seed dormancy class and germination traits remain uncharacterized. Thus, this study aimed to characterize the seed dormancy and germination of P. spachiana. Imbibition, phenological, and move-along experiments were performed, and the effects of H2SO4 treatment, hormone soaking, warm/cold stratification, and endocarp removal on germination were explored. Observation revealed that ripe seeds of P. spachiana contain developed embryos and are water permeable. Radicle and shoot emergence began in March and April, respectively, under natural conditions in the year following production. No seed germination was observed after 30 days of incubation at 4, 15/6, 20/10, or 25/15 °C under light/dark conditions, indicating the physiological dormancy of the seeds. Germination increased with prolonged stratification and was affected by incubation temperature. Seed scarification by H2SO4 and soaking with gibberellic acid (GA3) and fluridone were ineffective in breaking dormancy. However, GA3 soaking of the seeds after endocarp removal effectively induced germination (100%). These results indicate that P. spachiana seeds exhibit intermediate physiological dormancy.
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Affiliation(s)
- Gun Mo Kim
- Department of Horticulture and Breeding, Graduate of Andong National University, Andong 36792, Republic of Korea;
- Division of Wild Plant Seed Research, Baekdudaegan National Arboretum, Bonghwa 36209, Republic of Korea
| | - Chung Ho Ko
- Garden and Plant Resources Division, Korea National Arboretum, Yangpyeong 12519, Republic of Korea; (C.H.K.); (J.M.C.)
| | - Jae Min Chung
- Garden and Plant Resources Division, Korea National Arboretum, Yangpyeong 12519, Republic of Korea; (C.H.K.); (J.M.C.)
| | - Hak Cheol Kwon
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung 25451, Republic of Korea;
| | - Yong Ha Rhie
- Department of Horticulture and Forestry, Pai Chai University, Daejeon 35345, Republic of Korea;
| | - Seung Youn Lee
- Department of Horticulture and Breeding, Graduate of Andong National University, Andong 36792, Republic of Korea;
- Department of Smart Horticultural Science, Andong National University, Andong 36792, Republic of Korea
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Athapaththu AMGK, Lee KT, Kavinda MHD, Lee S, Kang S, Lee MH, Kang CH, Choi YH, Kim GY. Pinostrobin ameliorates lipopolysaccharide (LPS)-induced inflammation and endotoxemia by inhibiting LPS binding to the TLR4/MD2 complex. Biomed Pharmacother 2022; 156:113874. [DOI: 10.1016/j.biopha.2022.113874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/03/2022] [Accepted: 10/13/2022] [Indexed: 11/02/2022] Open
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Patel K, Patel DK. The Potential Therapeutic Properties of Prunetin against Human Health Complications: A Review of Medicinal Importance and Pharmacological Activities. DRUG METABOLISM AND BIOANALYSIS LETTERS 2022; 15:166-177. [PMID: 36098409 DOI: 10.2174/2949681015666220912104743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/28/2022] [Accepted: 06/03/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Flavonoids are polyphenolic compounds found to be present in nature and abundant in flowers and fruits. Flavonoidal class phytochemicals have gained interest in the scientific field because of their important pharmacological activities. Several scientific studies have revealed anti-bacterial, anti-oxidant, anti-fungal, analgesic, anti-viral, anti-inflammatory, anti-tumor, anti-parasitic and anti-allergic activities of flavonoidal class phytochemicals. Prunetin is an O-methylated isoflavone that belongs to the phytochemical phytoestrogen class, found to be present in licorice, red cherry, soybean and legumes. METHODS Biological potential and pharmacological activities of prunetin have been investigated in the present work through scientific data analysis of numerous scientific research works. Numerous literature databases have been searched in order to collect the scientific information on prunetin in the present work. Pharmacological activities of prunetin have been investigated in the present work through literature data analysis of different scientific research works. Scientific data have been collected from Google Scholar, Google, PubMed, Science Direct and Scopus. Analytical data on prunetin has been collected from literature sources and analyzed in the present work. RESULTS Scientific data analysis revealed the biological importance of prunetin in medicine. Prunetin was found to be present in the pea, peach, Oregon cherry, skimmed cheese, cheese, cow kefir and goat kefir. Prunetin is also present in the Prunus avium, Andira surinamensis, Butea superba, Dalbergia sympathetica, Ficus nervosa, Pterospartum tridentatum and Pycnanthus angolensis. Pharmacological data analysis revealed the biological importance of prunetin on bone disorders, cancers, especially hepatocellular carcinoma, urinary bladder cancer, gastric cancer, ovarian cancer, human airway, gut health and enzymes. Scientific data analysis revealed biological effectiveness of prunetin for their angiogenic effects, anti-inflammatory, anti-oxidant, antimicrobial, estrogenic and vasorelaxant potential. Analytical data revealed the importance of modern analytical techniques for qualitative and quantitative analysis of prunetin in the scientific fields. CONCLUSION Scientific data analysis in the present investigation revealed the biological importance and pharmacological activities of prunetin in medicine.
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Affiliation(s)
- Kanika Patel
- Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pardesh, India
| | - Dinesh Kumar Patel
- Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pardesh, India
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Calabrese EJ, Dhawan G, Kapoor R, Agathokleous E, Calabrese V. Hormesis: Wound healing and keratinocytes. Pharmacol Res 2022; 183:106393. [PMID: 35961478 DOI: 10.1016/j.phrs.2022.106393] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 12/18/2022]
Abstract
Hormetic dose responses (i.e., a biphasic dose/concentration response characterized by a low dose stimulation and a high dose inhibition) are shown herein to be commonly reported in the dermal wound healing process, with the particular focus on cell viability, proliferation, and migration of human keratinocytes in in vitro studies. Hormetic responses are induced by a wide range of substances, including endogenous agents, numerous drug and nanoparticle preparations and especially plant derived extracts, including many well-known dietary supplements as well as physical stressor agents, such as low-level laser treatments. Detailed mechanistic studies have identified common signaling pathways and their cross-pathway communications that mediate the hormetic dose responses. These findings suggest that the concept of hormesis plays a fundamental role in wound healing, with important potential implications for agent screening and evaluation, as well as clinical strategies.
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Affiliation(s)
- Edward J Calabrese
- Professor of Toxicology; School of Public Health and Health Sciences, Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003 USA.
| | - Gaurav Dhawan
- Sri Guru Ram Das (SGRD); University of Health Sciences, Amritsar, India.
| | - Rachna Kapoor
- Saint Francis Hospital and Medical Center; Hartford, CT, USA.
| | - Evgenios Agathokleous
- School of Applied Meteorology; Nanjing University of Information Science & Technology; Nanjing 210044, China.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania 95123, Italy.
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Discovery of Phenolic Glycoside from Hyssopus cuspidatus Attenuates LPS-Induced Inflammatory Responses by Inhibition of iNOS and COX-2 Expression through Suppression of NF-κB Activation. Int J Mol Sci 2021; 22:ijms222212128. [PMID: 34830006 PMCID: PMC8623068 DOI: 10.3390/ijms222212128] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 11/17/2022] Open
Abstract
It seems quite necessary to obtain effective substances from natural products against inflammatory response (IR) as there are presently clinical problems regarding accompanying side effects and lowered quality of life. This work aimed to investigate the abilities of hyssopuside (HY), a novel phenolic glycoside isolated from Hyssopus cuspidatus (H. cuspidatus), against IR in lipopolysaccharide (LPS)-induced RAW 264.7 cells and mouse peritoneal macrophages. The results indicated that HY could reduce nitric oxide (NO) production and inhibit the production and secretion of pro-inflammatory mediators including tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-1β (IL-1β) in LPS-stimulated macrophages. Moreover, data from the immunofluorescence study showed that HY suppressed nuclear translocation of nuclear factor-kappa B (NF-κB) upon LPS induction. The Western blot results suggested that HY reversed the LPS-induced degradation of IκB (inhibitor of NF-κB), which is normally required for the activation of NF-κB. Meanwhile, the overexpression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) diminished significantly with the presence of HY in response to LPS stimulation. On the other hand, HY had a negligible impact on the activation of mitogen-activated protein kinase (MAPK) pathways. Moreover, an in silico study of HY against four essential proteins/enzymes revealed that COX-2 was the most efficient enzyme for the interaction, and binding of residues Phe179, Asn351, and Ser424 with HY played crucial roles in the observed activity. The structure analysis indicated the typical characterizations with phenylethanoid glycoside contributed to the anti-inflammatory effects of HY. These results indicated that HY manipulated its anti-inflammatory effects mainly through blocking the NF-κB signal transduction pathways. Collectively, we believe that HY could be a potential alternative phenolic agent for alleviating excessive inflammation in many inflammation-associated diseases.
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Yoon JJ, Park JH, Lee YJ, Kim HY, Han BH, Jin HG, Kang DG, Lee HS. Protective Effects of Ethanolic Extract from Rhizome of Polygoni avicularis against Renal Fibrosis and Inflammation in a Diabetic Nephropathy Model. Int J Mol Sci 2021; 22:7230. [PMID: 34281284 PMCID: PMC8267752 DOI: 10.3390/ijms22137230] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/02/2021] [Accepted: 07/04/2021] [Indexed: 12/21/2022] Open
Abstract
Progressive diabetic nephropathy (DN) in diabetes leads to major morbidity and mortality. The major pathological alterations of DN include mesangial expansion, extracellular matrix alterations, tubulointerstitial fibrosis, and glomerular sclerosis. Polygoni avicularis is widely used in traditional oriental medicine and has long been used as a diuretic, astringent, insecticide and antihypertensive. However, to the best of the authors' knowledge, the effects of the ethanolic extract from rhizome of Polygoni avicularis (ER-PA) on DN have not yet been assessed. The present study aimed to identify the effect of ER-PA on renal dysfunction, which has been implicated in DN in human renal mesangial cells and db/db mice and investigate its mechanism of action. The in vivo experiment was performed using Polygoni avicularis-ethanol soluble fraction (ER-PA) and was administrated to db/db mice at 10 and 50 mg/kg dose. For the in vitro experiments, the human renal mesangial cells were induced by high glucose (HG, 25 mM). The ER-PA group showed significant amelioration in oral glucose tolerance, and insulin resistance index. ER-PA significantly improved the albumin excretion and markedly reduced plasma creatinine, kidney injury molecule-1 and C-reactive protein. In addition, ER-PA significantly suppressed inflammatory cytokines. Histopathologically, ER-PA attenuated glomerular expansion and tubular fibrosis in db/db mice. Furthermore, ER-PA suppressed the expression of renal fibrosis biomarkers (TGF and Collagen IV). ER-PA also reduced the NLR family pyrin domain containing 3 inflammatory factor level. These results suggest that ER-PA has a protective effect against renal dysfunction through improved insulin resistance as well as the inhibition of nephritis and fibrosis in DN.
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Affiliation(s)
- Jung-Joo Yoon
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Ji-Hun Park
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Yun-Jung Lee
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Hye-Yoom Kim
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Byung-Hyuk Han
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Hong-Guang Jin
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea;
- School of Pharmacy and Life Sciences, Jiujiang University, Jiujiang 332005, China
| | - Dae-Gill Kang
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
| | - Ho-Sub Lee
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea; (J.-J.Y.); (J.-H.P.); (Y.-J.L.); (H.-Y.K.); (B.-H.H.)
- College of Oriental Medicine and Professional Graduate School of Oriental Medicine, Wonkwang University, Jeollabuk-do, Iksan 54538, Korea
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Lee IH, Lee HS, Kang K, Park SI, Kwon TW, Moon SJ, Lee CH, Lee DY. Influence of Decoction Duration of FDY2004 on Its Physicochemical Components and Antioxidant and Antiproliferative Activities. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20968437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
FDY2004 (Medicinal herbs: Rheum palmatum, Paeonia suffruticosa Andrews, and Prunus davidiana), an herbal drug composition with an antiproliferative effect, is prepared by boiling, which is the most common herbal extraction method in traditional Korean medicine. Several parameters are considered in the process, including herb-to-solvent ratio, extraction temperature and pressure, and total decoction time. The aim of this study was to examine the physicochemical changes, index compound analysis results, antioxidant activity, and antiproliferative activity of FDY2004 according to the decoction duration to establish the conditions that ensure efficacy while minimizing side effects. Different samples of FDY2004 were obtained by decocting for 30, 60, 90, 120, 180, and 240 minutes. Each sample was evaluated for hydrogen ion concentration (pH), total soluble solid content (TSSC), index compound profiles, and antioxidative and antiproliferative activity. pH was found to decrease, while TSSC increased with an increase in decoction duration. Index compound contents for FDY2004 (aloe emodin, emodin, rhein, chrysophanol, physcion, and sennoside A for R. palmatum, paeonol for P. suffruticosa Andrews, and amygdalin for P. davidiana) increased when the decoction duration was 120 minutes or more, while the content of sennoside A did not increase. The total d-glucose amount increased with an increase in boiling duration. Antioxidant activity of FDY2004 increased when the decoction duration was 120 minutes or more, and the antiproliferative activity of FDY2004 was concentration dependent. The decoction duration for FDY2004 needs to be carefully determined so as to maintain efficacy while reducing side effects related to digestive absorption.
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Affiliation(s)
- In-Hee Lee
- The Fore, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Ho-Sung Lee
- The Fore, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Kyungrae Kang
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Sang-In Park
- Forestheal Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Tae-wook Kwon
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Seung-Joon Moon
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Chol Hee Lee
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
| | - Dae Yeon Lee
- The Fore, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
- Forest Hospital, Ogeum-ro, Songpa-gu, Seoul, Republic of Korea
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Islam A, Islam MS, Uddin MN, Hasan MMI, Akanda MR. The potential health benefits of the isoflavone glycoside genistin. Arch Pharm Res 2020; 43:395-408. [PMID: 32253713 DOI: 10.1007/s12272-020-01233-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 04/03/2020] [Indexed: 12/11/2022]
Abstract
Genistin is a type of isoflavone glycoside and has a broad range of health benefits. It is found in a variety of dietary plants, such as soybean, kudzu (Japanese arrowroot), and other plant-based products. Genistin has been described to have several beneficial health impacts, such as decreasing the risk of osteoporosis and post-menopausal symptoms, as well as anti-cancer, anti-oxidative, cardioprotective, anti-apoptotic, neuroprotective, hepatoprotective, and anti-microbial activities. It may also assist individuals with metabolic syndrome. This review summarizes some of the molecular impacts and prospective roles of genistin in maintaining and treatment of health disorders. The review could help to develop novel genistin medicine with significant health benefits for application in the nutraceutical and pharmaceutical fields.
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Affiliation(s)
- Anowarul Islam
- College of Veterinary Medicine, Jeonbuk National University, Iksan, 54596, South Korea
| | - Md Sadikul Islam
- College of Veterinary Medicine, Jeonbuk National University, Iksan, 54596, South Korea
| | - Md Nazim Uddin
- Department of Livestock Production and Management, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Mir Md Iqbal Hasan
- Department of Physiology, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Md Rashedunnabi Akanda
- Department of Pharmacology and Toxicology, Sylhet Agricultural University, Sylhet, 3100, Bangladesh.
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Shibato J, Takenoya F, Hirabayashi T, Kimura A, Iwasaki Y, Toyoda Y, Hori M, Tamogami S, Rakwal R, Shioda S. Towards identification of bioactive compounds in cold vacuum extracted double cherry blossom (Gosen-Sakura) leaves. PLANT SIGNALING & BEHAVIOR 2019; 14:e1644594. [PMID: 31342859 PMCID: PMC6768248 DOI: 10.1080/15592324.2019.1644594] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/25/2019] [Accepted: 07/04/2019] [Indexed: 06/10/2023]
Abstract
The present research examines the possibility of finding bio-molecular compounds from the double cherry blossom (termed as 'Gosen-Sakura' of Gosen-city, Niigata-prefecture, Japan) leaves, which have been long used in the preparation of the traditional Japanese sweet (wagashi) - 'sakura-mochi'. Based on its indicated anti-microbial properties historically, our study provides a new low temperature vacuum extraction method for extracting 'near natural form of water soluble leaf (cell) extracts from the Gosen-Sakura, and demonstrates the presence of some 'novel' compound(s) with anti-tumor cell lines proliferation inhibitory affects through the MTT assay. To our knowledge, no reports exist on the sakura tree 'leaf (cell) extracts' inhibiting tumor cell line growth. We further examined and compared the effects of known compounds with anti-tumor activity, coumarin and benzyl alcohol with Gosen-Sakura leaf extract; results lead us to hypothesize that the Gosen-Sakura leaf extract contains substance(s) other than the above two known compounds, with antitumor effect. Additionally, we speculate on the underlying mechanism of action of the Gosen-Sakura leaf extract by targeting cell division at the point of DNA synthesis and causing apoptosis. In conclusion, we present scientific evidence on the presence of certain 'novel' biomolecule(s), with anti-tumor activity, in the Gosen-Sakura leaf which has been long used in Japanese sweet - the 'sakura-mochi'.
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Affiliation(s)
- Junko Shibato
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | - Fumiko Takenoya
- Department of Physiology and Molecular Sciences, Division of Comprehensive and Fundamental Pharmaceutical Education and Research, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Takahiro Hirabayashi
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | - Ai Kimura
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | - Yusuke Iwasaki
- Laboratory of Biopharmaceutics and Analytical Science, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Yoko Toyoda
- Department of Physiology and Molecular Sciences, Division of Comprehensive and Fundamental Pharmaceutical Education and Research, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Motohide Hori
- Department of Oral Biology, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Shigeru Tamogami
- Laboratory of Biologically Active Compounds, Department of Biological Production, Akita Prefectural University, Akita, Japan
| | - Randeep Rakwal
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
- Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan
| | - Seiji Shioda
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
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Wang Y, Li W, Xu S, Hu R, Zeng Q, Liu Q, Li S, Lee H, Chang M, Guan L. Protective skin aging effects of cherry blossom extract (Prunus Yedoensis) on oxidative stress and apoptosis in UVB-irradiated HaCaT cells. Cytotechnology 2019; 71:475-487. [PMID: 30874982 DOI: 10.1007/s10616-018-0215-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 03/19/2018] [Indexed: 11/28/2022] Open
Abstract
Extracts of the cherry blossom plant have been reported to exert various biological effects on human cells. However, no previous investigations have examined the antioxidant and anti-apoptotic effects of these extracts on ultraviolet B (UVB) radiation-induced skin aging. This study explores the underlying mechanisms of the antioxidant and anti-apoptotic effects of cherry blossom extract (CBE) in human keratinocyte (HaCaT) cells. HaCaT cells were treated with CBE at concentrations of 0.5, 1.0, and 2.0% for 24 h and then irradiated with UVB (40 mJ/cm2). CBE effectively and dose-dependently decreased the levels of reactive oxygen species and malondialdehyde, while increasing the activities of superoxide dismutase and glutathione peroxidase. Pretreatment with 1 and 2% CBE attenuated UVB-induced DNA damage by reducing the formation of cyclobutane pyrimidine dimers and 8-hydroxy-20-deoxyguanosine. Furthermore, CBE also prevented UVB-induced apoptosis and significantly downregulated B cell lymphoma 2 (Bcl-2)-associated X, cytochrome-c, and caspase-3 expression, while upregulating Bcl-2 expression. Taken together, these results indicate that CBE protects HaCaT cells from UVB-induced oxidative stress and apoptosis and suggest that CBE could be a potent antioxidant against skin aging.
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Affiliation(s)
- Yaning Wang
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Weixuan Li
- Clinical Laboratory, The First People Hospital of Foshan, No. 81, Lingnan Avenue North, Foshan, Guangdong Province, 528000, People's Republic of China.
| | - Sika Xu
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Rong Hu
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Qingting Zeng
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Qiaoyuan Liu
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Shan Li
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China
| | - Hayeon Lee
- The Garden of Naturalsolution, Gajangsaneopseo-ro, Osan-si, Gyeonggi-Do, Republic of Korea
| | - Moonsik Chang
- The Garden of Naturalsolution, Gajangsaneopseo-ro, Osan-si, Gyeonggi-Do, Republic of Korea
| | - Lei Guan
- Skin Research Center, Landproof Testing Technology Co., Ltd, No. 129, Longkou Dong Road, Guangzhou, 510635, Guangdong Province, China.
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Baek SC, Park MH, Ryu HW, Lee JP, Kang MG, Park D, Park CM, Oh SR, Kim H. Rhamnocitrin isolated from Prunus padus var. seoulensis: A potent and selective reversible inhibitor of human monoamine oxidase A. Bioorg Chem 2018; 83:317-325. [PMID: 30396116 DOI: 10.1016/j.bioorg.2018.10.051] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/24/2018] [Accepted: 10/25/2018] [Indexed: 12/28/2022]
Abstract
Three flavanones and two flavones were isolated from the leaves of Prunus padus var. seoulensis by the activity-guided screening for new monoamine oxidase (MAO) inhibitors. Among the compounds isolated, rhamnocitrin (5) was found to potently and selectively inhibit human MAO-A (hMAO-A, IC50 = 0.051 µM) and effectively inhibit hMAO-B (IC50 = 2.97 µM). The IC50 value of 5 for hMAO-A was the lowest amongst all natural flavonoids reported to date, and the potency was 20.2 times higher than that of toloxatone (1.03 µM), a marketed drug. In addition, 5 reversibly and competitively inhibited hMAO-A and hMAO-B with Ki values of 0.030 and 0.91 µM, respectively. Genkwanin (4) was also observed to strongly inhibit hMAO-A and hMAO-B (IC50 = 0.14 and 0.35 µM, respectively), and competitively inhibit hMAO-A and hMAO-B (Ki = 0.097 and 0.12 µM, respectively). Molecular docking simulation reveals that the binding affinity of 5 with hMAO-A (-18.49 kcal/mol) is higher than that observed with hMAO-B (0.19 kcal/mol). Compound 5 interacts with hMAO-A at four possible residues (Asn181, Gln215, Thr336, and Tyr444), while hMAO-B forms a single hydrogen bond at Glu84. These findings suggest that compound 5 as well as 4 can be considered as novel potent and reversible hMAO-A and/or hMAO-B inhibitors or useful lead compounds for future development of hMAO inhibitors in neurological disorder therapies.
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Affiliation(s)
- Seung Cheol Baek
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Mi Hyeon Park
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, Republic of Korea
| | - Hyung Won Ryu
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae Pil Lee
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Myung-Gyun Kang
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Daeui Park
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Chul Min Park
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Sei-Ryang Oh
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, Republic of Korea
| | - Hoon Kim
- Department of Pharmacy and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea.
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Li L, Hwang E, Ngo HTT, Lin P, Gao W, Liu Y, Yi TH. Antiphotoaging Effect of Prunus yeonesis Blossom Extract via Inhibition of MAPK/AP-1 and Regulation of the TGF-βI/Smad and Nrf2/ARE Signaling Pathways. Photochem Photobiol 2018; 94:725-732. [PMID: 29421853 DOI: 10.1111/php.12894] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/22/2017] [Indexed: 01/08/2023]
Abstract
Cherry blossoms have attracted attention as an ingredient with potential for use in skincare products. However, no skin photoaging-related research has been performed with this plant. In this study, cherry blossom extract (CBE) at 1, 10 and 100 μg mL-1 was investigated for its skin antiphotoaging effects in UVB-irradiated normal human dermal fibroblasts (NHDF) cells in vitro. Our results showed that CBE markedly increased type-I procollagen during UVB exposure via two pathways. Firstly, transcription activator protein-1 expression and MAP kinases were downregulated, consequently reducing the production of matrix metalloproteinase (MMP)-1 and MMP-3. Secondly, transforming growth factor TGF-βI secretion was upregulated by Smads. Application of CBE facilitated the nuclear translocation of Nrf2 against reactive oxygen species (ROS)-induced damage, which is essential for the coordinated induction of cytoprotective enzymes. Together, our findings suggest that CBE may be a promising ingredient for skin aging therapy and provide a novel approach for alleviating cutaneous aging.
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Affiliation(s)
- Lu Li
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Eunson Hwang
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Hien T T Ngo
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Pei Lin
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Wei Gao
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Ying Liu
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
| | - Tae-Hoo Yi
- College of Life Sciences, Kyung Hee University, Yongin-si, Gyeonggi-do, Korea
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Lavoie S, Côté I, Pichette A, Gauthier C, Ouellet M, Nagau-Lavoie F, Mshvildadze V, Legault J. Chemical composition and anti-herpes simplex virus type 1 (HSV-1) activity of extracts from Cornus canadensis. Altern Ther Health Med 2017; 17:123. [PMID: 28228101 PMCID: PMC5322616 DOI: 10.1186/s12906-017-1618-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 02/02/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND Many plants of boreal forest of Quebec have been used by Native Americans to treat a variety of microbial infections. However, the antiviral activities of these plants have been seldom evaluated on cellular models to validate their in vitro efficiencies. In this study, Cornus canadensis L. (Cornaceae), a plant used in Native American traditional medicine to treat possible antiviral infections, has been selected for further examination. METHODS The plant was extracted by decoction and infusion with water, water/ethanol 1:1 and ethanol to obtain extracts similar to those used by Native Americans. The effects of the extracts were tested on herpes simplex virus type-1 (HSV-1) using a plaque reduction assay. Moreover, bioassay-guided fractionation was achieved to isolate bioactive compounds. RESULTS Water/ethanol 1:1 infusion of C. canadensis leaves were the most active extracts to inhibit virus absorption with EC50 of about 9 μg mL-1, whereas for direct mode, both extraction methods using water or water/ethanol 1:1 as solvent were relatively similar with EC50 ranging from 11 to 17 μg mL-1. The fractionation led to the identification of active fractions containing hydrolysable tannins. Tellimagrandin I was found the most active compound with an EC50 of 2.6 μM for the direct mode and 5.0 μM for the absorption mode. CONCLUSION Altogether, the results presented in this work support the antiviral activity of Cornus canadensis used in Native American traditional medicine.
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Nowak A, Czyzowska A, Efenberger M, Krala L. Polyphenolic extracts of cherry (Prunus cerasus L.) and blackcurrant (Ribes nigrum L.) leaves as natural preservatives in meat products. Food Microbiol 2016; 59:142-9. [PMID: 27375255 DOI: 10.1016/j.fm.2016.06.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 05/24/2016] [Accepted: 06/06/2016] [Indexed: 11/26/2022]
Abstract
The objective of this study was to evaluate the possibility of using polyphenolic extracts from cherry and blackcurrant leaves as natural antimicrobial agents in meat products. The polyphenolic composition of the extracts was analyzed and their impact on the microbial quality, lipid oxidation, color, and sensory evaluation of pork sausages was studied. Polyphenolic extracts were obtained from leaves collected in September. The total polyphenolic content in sour cherry leaf extract was 1.5 times higher than that found in blackcurrant leaf extract. Analysis of the polyphenol profile of each extract revealed two major groups: phenolic acids and flavonoids, including epigallocatechin and glycosides of quercetin and kaempferol. After chilling the sausages for 14 and 28 days, the extracts caused significantly lower MDA generation, indicating an antioxidant effect. Color changes after 28 days of storage were perceptible in the case of all treatments, with and without polyphenols. The application of sour cherry and black currant leaf extracts increased the shelf life of vacuum-packed sausages. Both extracts enhanced the microbial quality of the pork sausages over 14 days of refrigerated storage. Sour cherry leaf polyphenols were more effective against almost all studied groups of microorganisms.
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Affiliation(s)
- Agnieszka Nowak
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924, Lodz, Poland.
| | - Agata Czyzowska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924, Lodz, Poland
| | - Magdalena Efenberger
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924, Lodz, Poland
| | - Lucjan Krala
- Institute of Chemical Technology of Food, Lodz University of Technology, Stefanowskiego 4/10, 90-924, Lodz, Poland
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Antihypertensive Effect of the GaMiSamHwangSaSimTang in Spontaneous Hypertensive Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:802368. [PMID: 26539233 PMCID: PMC4619940 DOI: 10.1155/2015/802368] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/29/2015] [Accepted: 05/04/2015] [Indexed: 11/18/2022]
Abstract
The present study was designed to evaluate the antihypertensive effect of GaMiSamHwangSaSimTang (HVC1), a 30% ethanol extract of a mixture comprising Pruni Cortex, Scutellariae Radix, Coptidis Rhizoma, and Rhei Rhizoma, on spontaneous hypertensive rats (SHRs). The systolic blood pressure (SBP) was measured every 4 or 7 days using the noninvasive tail cuff system. The vasorelaxant effects on isolated aortic rings were evaluated. Aortic rings were contracted using phenylephrine (PE) or KCl, and the changes in tension were recorded via isometric transducers connected to a data acquisition system. In this study, oral administration of HVC1 decreased the SBP of SHRs over the experimental period. HVC1 induced concentration-dependent relaxation in the aortic rings that had been precontracted using PE or KCl. The vasorelaxant effects of HVC1 on endothelium-intact aortic rings were inhibited by pretreatment with Nω-Nitro-l-arginine methyl ester (L-NAME) or methylene blue. HVC1 inhibited the contraction induced by extracellular Ca2+ in endothelium-denuded rat aortic rings that had been precontracted using PE or KCl. In conclusion, HVC1 reduced the SBP of SHR and relaxed isolated SHR aortic rings by upregulating NO formation and the NO-cGMP pathway and blocking the entry of extracellular Ca2+ via receptor-operative Ca2+ channel and voltage-dependent Ca2+ channel.
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The Anti-Inflammatory Effect of Prunus yedoensis Bark Extract on Adipose Tissue in Diet-Induced Obese Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:937904. [PMID: 26413130 PMCID: PMC4568034 DOI: 10.1155/2015/937904] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 07/12/2015] [Accepted: 07/26/2015] [Indexed: 11/23/2022]
Abstract
Chronic, low-grade inflammatory responses occur in obese adipose tissue and play a crucial role in the development of insulin resistance. Macrophages exposed to high glucose upregulate the expression of SRA, a macrophage-specific scavenger receptor. The present study investigated whether Prunus yedoensis (PY) bark extract affects the inflammatory response and scavenger receptor gene expression observed in a diet-induced obesity model in vivo. Oral administration of PY extract significantly reduced fasting blood glucose levels without a change in body weight in mice fed a high fat diet for 17 weeks. PY extract significantly suppressed expression of inflammatory and macrophage genes such as tumor necrosis factor-α, interleukin-6, and F4/80 in epididymal adipose tissue. Among scavenger receptor genes, SRA expression was significantly reduced. The inhibitory responses of PY extract and its fractions were determined through evaluation of scavenger receptor expression in THP-1 cells. PY extract and its ethyl acetate fraction decreased the levels of SRA mRNA and phospho-ERK1/2 during monocyte differentiation. Our data indicate that the anti-inflammatory effects of PY extract and its downregulation of SRA seem to account for its hypoglycemic effects.
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Zhang YH, Rong JD, Chen LG, Chen LY, He TY, Zheng YS. Construction of cDNA library from Prunus campanulata leaves and preliminary expressed sequence tag (EST) analysis during cold stress. Biologia (Bratisl) 2015. [DOI: 10.1515/biolog-2015-0118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Yun JM, Im SB, Roh MK, Park SH, Kwon HA, Lee JY, Choi HY, Ham IH, Kim YB, Lee JM, Kim DO, Park KW, Kang H. Prunus yedoensis bark inhibits lipopolysaccharide-induced inflammatory cytokine synthesis by IκBα degradation and MAPK activation in macrophages. J Med Food 2015; 17:407-13. [PMID: 24720857 DOI: 10.1089/jmf.2013.2825] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The bark of Prunus yedoensis is used in antitussive medicines and in oral herbal formulations for inflammatory skin disorders. In the present study, we explored whether P. yedoensis bark extract (PYE) and its solvent partitioned fractions could modulate lipopolysaccharide (LPS)-induced tumor necrosis factor (TNF)-α and interleukin (IL)-6 in vivo and in vitro. In addition, we examined the effect of PYE extract and its fractions on LPS-induced NF-κB and mitogen-activated protein kinase (MAPK) signaling in mouse peritoneal macrophages. Oral treatment of PYE decreased serum levels of TNF-α and IL-6 in LPS injected mice. PYE inhibited LPS-induced TNF-α and IL-6 in macrophages at the transcriptional level and also suppressed LPS-induced IκBα degradation and MAPK activation in vitro. Among the fractions, the chloroform fraction, which contains genistein, naringenin, sakuranetin, prunetin, and amygdalin, showed inhibitory effects at much lower concentrations than the water and ethyl acetate fractions. Taken together, our results indicate that PYE was able to inhibit LPS-induced expression of TNF-α and IL-6, the latter of which was more prominent. The effects of PYE on inflammatory cytokine synthesis may involve modulation of NF-κB and MAPK activation.
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Affiliation(s)
- Jeong-Moon Yun
- 1 Graduate School of East-West Medical Science; Kyung Hee University , Yongin, South Korea
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Yang HH, Hwangbo K, Zheng MS, Cho JH, Son JK, Kim HY, Baek SH, Choi HC, Park SY, Kim JR. Quercetin-3-O-β-d-glucuronide isolated from Polygonum aviculare inhibits cellular senescence in human primary cells. Arch Pharm Res 2014; 37:1219-33. [DOI: 10.1007/s12272-014-0344-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 01/23/2014] [Indexed: 01/08/2023]
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21
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Chen Q, Yin Y, Zhu C, Yu G. Toxicological Assessment of Chinese Cherry (Cerasus Pseudocerasus L.) Seed Oil. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2014. [DOI: 10.3136/fstr.20.101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Ryu J, Lee HJ, Park SH, Sikder MA, Kim JO, Hong JH, Seok JH, Lee CJ. Effect of Prunetin on TNF-α-Induced MUC5AC Mucin Gene Expression, Production, Degradation of IκB and Translocation of NF-κB p65 in Human Airway Epithelial Cells. Tuberc Respir Dis (Seoul) 2013; 75:205-9. [PMID: 24348668 PMCID: PMC3861376 DOI: 10.4046/trd.2013.75.5.205] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 10/10/2013] [Accepted: 10/15/2013] [Indexed: 12/31/2022] Open
Abstract
Background We investigated whether prunetin significantly affects tumor necrosis factor-α (TNF-α)-induced MUC5AC mucin gene expression, production, inhibitory kappa B (IκB) degradation and nuclear factor kappa B (NF-κB) p65 translocation in human airway epithelial cells. Methods Confluent NCI-H292 cells were pretreated with prunetin for 30 minutes and then stimulated with TNF-α for 24 hours or the indicated periods. MUC5AC mucin gene expression and mucin protein production were measured by reverse transcription polymerase chain reaction and enzyme-linked immunosorbent assay, respectively. The effect of prunetin on TNF-α-induced degradation of IκB and translocation of NF-κB p65 was investigated by western blot analysis. Results We found that incubation of NCI-H292 cells with prunetin significantly inhibited mucin production and down-regulated the MUC5AC gene expression induced by TNF-α. Prunetin inhibited TNF-α-induced degradation of IκB and translocation of NF-κB p65. Conclusion This result suggests that prunetin inhibits the NF-κB signaling pathway, which may explain its role in the inhibition of MUC5AC mucin gene expression and production regulated by the NF-κB signaling pathway.
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Affiliation(s)
- Jiho Ryu
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Hyun Jae Lee
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Su Hyun Park
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Md Asaduzzaman Sikder
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Ju-Ock Kim
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea. ; Pulmonology Section, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jang-Hee Hong
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jeong Ho Seok
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Choong Jae Lee
- Department of Pharmacology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
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Yang G, Ham I, Choi HY. Anti-inflammatory effect of prunetin via the suppression of NF-κB pathway. Food Chem Toxicol 2013; 58:124-32. [DOI: 10.1016/j.fct.2013.03.039] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 02/17/2013] [Accepted: 03/27/2013] [Indexed: 01/22/2023]
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Mari A, Lyon D, Fragner L, Montoro P, Piacente S, Wienkoop S, Egelhofer V, Weckwerth W. Phytochemical composition of Potentilla anserina L. analyzed by an integrative GC-MS and LC-MS metabolomics platform. Metabolomics 2013; 9:599-607. [PMID: 23678344 PMCID: PMC3651535 DOI: 10.1007/s11306-012-0473-x] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Accepted: 10/16/2012] [Indexed: 12/01/2022]
Abstract
Potentilla anserina L. (Rosaceae) is known for its beneficial effects of prevention of pre-menstrual syndrome (PMS). For this reason P. anserina is processed into many food supplements and pharmaceutical preparations. Here we analyzed hydroalcoholic reference extracts and compared them with various extracts of different pharmacies using an integrative metabolomics platform comprising GC-MS and LC-MS analysis and software toolboxes for data alignment (MetMAX Beta 1.0) and multivariate statistical analysis (COVAIN 1.0). Multivariate statistics of the integrated GC-MS and LC-MS data showed strong differences between the different plant extract formulations. Different groups of compounds such as chlorogenic acid, kaempferol 3-O-rutinoside, acacetin 7-O-rutinoside, and genistein were reported for the first time in this species. The typical fragmentation pathway of the isoflavone genistein confirmed the identification of this active compound that was present with different abundances in all the extracts analyzed. As a result we have revealed that different extraction procedures from different vendors produce different chemical compositions, e.g. different genistein concentrations. Consequently, the treatment may have different effects. The integrative metabolomics platform provides the highest resolution of the phytochemical composition and a mean to define subtle differences in plant extract formulations.
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Affiliation(s)
- Angela Mari
- Department of Pharmaceutical and Biomedical Sciences, University of Salerno, Salerno, Italy
| | - David Lyon
- Department of Molecular Systems Biology, University of Vienna, Vienna, Austria
| | - Lena Fragner
- Department of Molecular Systems Biology, University of Vienna, Vienna, Austria
| | - Paola Montoro
- Department of Pharmaceutical and Biomedical Sciences, University of Salerno, Salerno, Italy
| | - Sonia Piacente
- Department of Pharmaceutical and Biomedical Sciences, University of Salerno, Salerno, Italy
| | - Stefanie Wienkoop
- Department of Molecular Systems Biology, University of Vienna, Vienna, Austria
| | - Volker Egelhofer
- Department of Molecular Systems Biology, University of Vienna, Vienna, Austria
| | - Wolfram Weckwerth
- Department of Molecular Systems Biology, University of Vienna, Vienna, Austria
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Kono R, Okuno Y, Nakamura M, Inada KI, Tokuda A, Yamashita M, Hidaka R, Utsunomiya H. Peach (Prunus persica) extract inhibits angiotensin II-induced signal transduction in vascular smooth muscle cells. Food Chem 2013; 139:371-6. [PMID: 23561119 DOI: 10.1016/j.foodchem.2013.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Revised: 01/28/2013] [Accepted: 02/05/2013] [Indexed: 10/27/2022]
Abstract
Angiotensin II (Ang II) is a vasoactive hormone that has been implicated in cardiovascular diseases. Here, the effect of peach, Prunus persica L. Batsch, pulp extract on Ang II-induced intracellular Ca(2+) mobilization, reactive oxygen species (ROS) production and signal transduction events in cultured vascular smooth muscle cells (VSMCs) was investigated. Pretreatment of peach ethyl acetate extract inhibited Ang II-induced intracellular Ca(2+) elevation in VSMCs. Furthermore, Ang II-induced ROS generation, essential for signal transduction events, was diminished by the peach ethyl acetate extract. The peach ethyl acetate extract also attenuated the Ang II-induced phosphorylation of epidermal growth factor receptor and myosin phosphatase target subunit 1, both of which are associated with atherosclerosis and hypertension. These results suggest that peach ethyl acetate extract may have clinical potential for preventing cardiovascular diseases by interfering with Ang II-induced intracellular Ca(2+) elevation, the generation of ROS, and then blocking signal transduction events.
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Affiliation(s)
- Ryohei Kono
- Department of Strategic Surveillance for Functional Food and Comprehensive Traditional Medicine, Wakayama Medical University, Kimiidera 811-1, Wakayama City, Wakayama 641-0012, Japan.
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Abstract
AbstractAt present, Cape gooseberry (Physalis peruviana) fruit is one of the less used raw materials of plant origin, which can be used for human nutrition. This fruit, as well as alimentary products made of it, were used by healers in folk medicine in the distant past. The aim of this study was to monitor and evaluate the antioxidant capacity of fresh fruit of three Cape gooseberry cultivars ‘Giant’, ‘Golden berry’ and ‘Inka’. Antioxidant capacity was also tested, on the basis of the scavenging effect of reactive oxygen species (ROS) and lipid peroxidation of methanolic extracts made of fresh fruit. These results were further extended and supplemented with determinates of the vitamin C and total phenolic contents. These analyses were made for three consecutive years. The highest values of antioxidant capacity were observed in the ‘Inka’ cultivar (9.31 grams of ascorbic acid equivalents kg−1 of fresh mass). In this cultivar, the obtained results were corroborated also in ROS and the contents of vitamin C and total phenolics. Due to a high antioxidant capacity of this fruit species, the results presented should increase its popularity above all as a promising raw material, which can be used for human nutrition.
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Antioxidant and tyrosinase inhibitory activities of different parts of oriental cherry (Prunus serrulata var. spontanea). Food Sci Biotechnol 2012. [DOI: 10.1007/s10068-012-0045-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Olszewska MA, Kwapisz A. Metabolite profiling and antioxidant activity of Prunus padus L. flowers and leaves. Nat Prod Res 2011; 25:1115-31. [PMID: 21347973 DOI: 10.1080/14786410903230359] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Six phenolics were obtained from the leaves of Prunus padus by activity-guided isolation: isorhamnetin 3-O-β-xylopyranosyl-(1 → 2)-β-galactopyranoside (1), astragalin (2), hyperoside (3), quercetin 3-O-β-xylopyranosyl-(1 → 2)-β-galactopyranoside (4), quercetin 3-O-β-xylopyranosyl-(1 → 2)-β-glucopyranoside (5) and chlorogenic acid (6). The antioxidant potential of 70% methanolic extracts from the flowers and leaves collected over the growing season was evaluated using the 2,2-diphenyl-1-picryl hydrazyl (DPPH) radical scavenging and 2,2′-azobis-(2-amidinopropane) dihydrochloride (AAPH)-induced linoleic acid (LA) peroxidation tests in relation to the contents of the isolates 1-6, total phenolics, total proanthocyanidins and total quercetin. The IC₅₀ values were expressed in gram dry weight per gram of DPPH or LA, respectively, and were in the range of 1.42-2.42 for the DPPH test and 1.78-4.92 for the LA peroxidation, with superior activity found for the flowers and the autumn leaves. Significant linear correlation of these values to the sum of proanthocyanidins and compounds 1-6 (R² > 0.87) showed that the listed phenolics are synergists of the tested activity.
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Affiliation(s)
- Monika A Olszewska
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University of Łódź, ul. Muszyńskiego 1, 90-151 Łódź, Poland.
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Jo K, Lee SE, Lee SW, Hwang JK. Prunus yedoensis Matsum. stimulates glucose uptake in L6 rat skeletal muscle cells by activating AMP-activated protein kinase and phosphatidylinositol 3-kinase/Akt pathways. Nat Prod Res 2011; 26:1610-5. [PMID: 21809954 DOI: 10.1080/14786419.2011.574133] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Prunus yedoensis Matsum. is used as a medicinal plant to alleviate symptoms of diabetes; however, the molecular mechanism underlying its antihyperglycaemic activity is unknown. In this study, we investigated the antihyperglycaemic effects of P. yedoensis and its molecular mechanism. Prunus yedoensis leaf extract (PLE) increased the glucose uptake of phosphorylatinginsulin receptor substrate (IRS)-1, 3'-phosphoinositide-dependent kinase (PDK)-1 and Akt PLE, and also increased the phosphorylation of AMP-activated protein kinase (AMPK) and p38 mitogen-activated protein kinase (p38 MAPK). PLE-stimulated glucose uptake was blocked by an AMPK inhibitor (Compound C) and a p38 MAPK inhibitor (SB203580). Inhibition of AMPK activity reduced p38 MAPK phosphorylation, whereas the inhibition of p38 MAPK activity did not affect AMPK phosphorylation. Pretreatment with the phosphatidylinositol 3-kinase inhibitor LY294002 and Compound C reduced PLE-stimulated glucose uptake. Our results demonstrate that PLE stimulated glucose uptake by activating both insulin signalling and AMPK-p38 MAPK pathways. PLE shows potential as a natural antihyperglycaemic agent.
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Affiliation(s)
- Keanae Jo
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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30
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ROP OTAKAR, JURIKOVA TUNDE, SOCHOR JIRI, MLCEK JIRI, KRAMAROVA DANIELA. ANTIOXIDANT CAPACITY, SCAVENGING RADICAL ACTIVITY AND SELECTED CHEMICAL COMPOSITION OF NATIVE APPLE CULTIVARS FROM CENTRAL EUROPE. J FOOD QUALITY 2011. [DOI: 10.1111/j.1745-4557.2011.00387.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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31
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Lee HJ, Lee SY, Lee MN, Kim JH, Chang GT, Seok JH, Lee CJ. Inhibition of secretion, production and gene expression of mucin from cultured airway epithelial cells by prunetin. Phytother Res 2011; 25:1196-200. [PMID: 21305630 DOI: 10.1002/ptr.3362] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 10/20/2010] [Accepted: 10/25/2010] [Indexed: 11/09/2022]
Abstract
This study investigated whether prunetin significantly affects the secretion, production and gene expression of mucin from cultured airway epithelial cells. Confluent primary rat tracheal surface epithelial (RTSE) cells were pretreated with adenosine triphosphate (ATP) for 5 min and then chased for 30 min in the presence of prunetin to assess the effect on mucin secretion using enzyme-linked immunosorbent assay (ELISA). At the same time, confluent NCI-H292 cells were pretreated with prunetin for 30 min and then stimulated with epidermal growth factor (EGF) or phorbol 12-myristate 13-acetate (PMA) for 24 h, respectively. The MUC5AC mucin gene expression and mucin protein production were measured by reverse transcription-polymerase chain reaction (RT-PCR) and ELISA. The results were as follows: (1) prunetin significantly suppressed ATP-induced mucin secretion from cultured RTSE cells; (2) prunetin inhibited the production of MUC5AC mucin protein induced by EGF or PMA from NCI-H292 cells; (3) prunetin also inhibited the expression of MUC5AC mucin gene induced by EGF or PMA from NCI-H292 cells. This result suggests that prunetin can regulate the secretion, production and gene expression of mucin, by directly acting on airway epithelial cells.
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Affiliation(s)
- Hyun Jae Lee
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
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32
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Jung HA, Islam MN, Kwon YS, Jin SE, Son YK, Park JJ, Sohn HS, Choi JS. Extraction and identification of three major aldose reductase inhibitors from Artemisia montana. Food Chem Toxicol 2011; 49:376-84. [DOI: 10.1016/j.fct.2010.11.012] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2010] [Revised: 11/05/2010] [Accepted: 11/10/2010] [Indexed: 11/15/2022]
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33
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Taguchi N, Uemura N, Goto Y, Sakura M, Hara K, Niwa M, Iida M, Yanagishita T, Watanabe D, Kato M. Antioxidative effects of cherry leaves extract on tert-butyl hydroperoxide-mediated cytotoxicity through regulation of thioredoxin-2 protein expression levels. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2011; 74:1240-1247. [PMID: 21797775 DOI: 10.1080/15287394.2011.570229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Components of cherry trees have been used as traditional herbal remedies for various diseases. These components are known to possess antioxidative effects. However, the mechanisms underlying cherry tree component-mediated antioxidative effects remain largely unknown. This study focused on cherry leaves extract (CLE) and examined the mechanism underlying the effect of CLE on tert-butyl hydroperoxide (t-BOOH)-induced melanocytic cell death with DNA damage. Interestingly, CLE prevented t-BOOH-induced cell death with reduction in DNA damage, p38 kinase activation, and reactive oxygen species (ROS) production. CLE-mediated suppression of cell death with reduction of DNA damage, p38 kinase activity and ROS production was prevented by a thioredoxin (Trx) system inhibitor but not by a glutathione (GSH) system inhibitor. Finally, data showed that CLE prevented t-BOOH-induced reduction of Trx2 but not Trx1 and Trx reductases (TrxR1 and TrxR2) protein expression. Thus, our results suggest that CLE prevents t-BOOH-induced reduction in Trx2 expression, promotion of ROS production, activation of p38 kinase, and increase in DNA damage and that it protects against cell death.
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Affiliation(s)
- Nobuhiko Taguchi
- Units of Environmental Health Sciences, Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, Kasugai-shi, Aichi, Japan
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34
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Affiliation(s)
- Saikat Sen
- Creative Educational Society’s College of Pharmacy, Kurnool, Andhra Pradesh -518 218, India
| | - Raja Chakraborty
- Creative Educational Society’s College of Pharmacy, Kurnool, Andhra Pradesh -518 218, India
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35
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Han S, Park KK, Chung WY, Lee SK, Kim J, Hwang JK. Anti-photoaging effects of 2-methoxy-5-(2-methyl propyl) pyrazine isolated from peach (Prunus persica (L.) Batsch). Food Sci Biotechnol 2010. [DOI: 10.1007/s10068-010-0236-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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36
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Yoon MH, Jo JE, Kim DM, Kim KH, Yook HS. Quality Characteristics of Bread Containing Various Levels of Flowering Cherry (Prunus serrulata L. var. spontanea Max. wils.) Fruit Powder. ACTA ACUST UNITED AC 2010. [DOI: 10.3746/jkfn.2010.39.9.1340] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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37
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Lee HJ, Lee SY, Jeon BK, Lee JW, Lee MN, Kim JO, Lee CJ. Regulation of Tumor Necrosis Factor-α-induced Airway Mucin Production and Gene Expression by Carbenoxolone, Prunetin, and Silibinin. Tuberc Respir Dis (Seoul) 2010. [DOI: 10.4046/trd.2010.69.5.348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Hyun Jae Lee
- Department of Pharmacology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Su Yel Lee
- Department of Pharmacology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Byeong Kyou Jeon
- Department of Radiologic Technology, Daegu Health College, Daegu, Korea
| | | | - Mi Nam Lee
- Department of Pharmacology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Ju-Ock Kim
- Pulmonology Section, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea
| | - Choong Jae Lee
- Department of Pharmacology, Chungnam National University School of Medicine, Daejeon, Korea
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38
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Matsuura R, Moriyama H, Takeda N, Yamamoto K, Morita Y, Shimamura T, Ukeda H. Determination of antioxidant activity and characterization of antioxidant phenolics in the plum vinegar extract of cherry blossom (Prunus lannesiana). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:544-549. [PMID: 18092753 DOI: 10.1021/jf0717992] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Sakura-cha (salted cherry blossom tea) is a Japanese tea that is traditionally served at celebrations such as wedding ceremonies. The production of Sakura-cha includes the immersion of cherry blossom flowers in Japanese plum vinegar, and through this process, the byproduct (plum vinegar extract of cherry blossom) is obtained. In this study, the antioxidant activity of the plum vinegar extract of cherry blossom was examined. The plum vinegar extract of cherry blossom had a greater superoxide anion scavenging activity compared with red wine, which is a well-known strong antioxidant. Liquid chromatography-mass spectrometry analysis showed that cyanidin-3-glucoside, cyanidin-3-rutinoside, and caffeic acid were the major components in the phenolic extract prepared from plum vinegar extract of cherry blossom, and they possessed superoxide anion scavenging activity. Caffeic acid is mainly responsible for the scavenging activity of phenolic extract; the contributions of cyanidin-3-glucoside and cyanidin-3-rutinoside were minor.
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Affiliation(s)
- Ritaro Matsuura
- Department of Bioresources Science, Faculty of Agriculture, Kochi University, Monobe B-200, Nankoku 783-8502, Japan
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39
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Lee CK, Park KK, Hwang JK, Lee SK, Chung WY. The extract ofPrunus persica flesh (PPFE) attenuates chemotherapy-induced hepatotoxicity in mice. Phytother Res 2008; 22:223-7. [PMID: 17886225 DOI: 10.1002/ptr.2296] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cisplatin (cis-diamminedichloroplatinum II) is one of the most effective chemotherapeutic agents used in the treatment of a variety of human solid tumors. However, its clinical use is limited due to severe toxicity. The pathogenesis of liver damage caused by cisplatin is generally considered to be oxidative damage. The aim of this study was to evaluate the protective effect of the ethanol extract of Prunus persica flesh (PPFE) against cisplatin-induced hepatotoxicity in animal models. In a xenograft model with the repeated administration of a low-dose cisplatin (5 mg/kg body weight) for 15 days, and in an acute toxicity model with a single administration of a high-dose cisplatin (45 mg/kg body weight) over a 16 h period, the consecutive administration of PPFE in combination with and prior to the cisplatin injection reversed the cisplatin-induced decrease in the liver weight as a percentage of total body weight, and the cisplatin-induced increases in the serum alanine aminotransferase and aspartate aminotransferase levels caused by liver damage. Moreover, the oral administration of PPFE significantly recovered the reduced glutathione level and inhibited lipid peroxidation in the cisplatin-treated mice. These results demonstrate that supplementation with PPFE might protect against cisplatin-induced toxicity in cancer patients.
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Affiliation(s)
- Chang Ki Lee
- Department of Oral Biology, Oral Science Research Institute, Oral Cancer Research Institute and Brain Korea 21 Project, Yonsei University College of Dentistry, Seoul 120-752, Korea
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40
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Lee BB, Cha MR, Kim SY, Park E, Park HR, Lee SC. Antioxidative and anticancer activity of extracts of cherry (Prunus serrulata var. spontanea) blossoms. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2007; 62:79-84. [PMID: 17577669 DOI: 10.1007/s11130-007-0045-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2006] [Accepted: 04/12/2007] [Indexed: 05/15/2023]
Abstract
Organic solvent (methanol, ethanol, and acetone) extracts and water extracts of cherry (Prunus serrulata var. spontanea) blossoms were prepared, and antioxidant activities of the extracts were evaluated. Methanolic CBE (100 microg/ml) showed the highest total phenol content (104.30 microM), radical scavenging activity (34.2%), and reducing power (0.391). The effect of CBE on DNA damage induced by H(2)O(2) in human leukocytes was evaluated by Comet assay. All CBE was a potent dose dependent inhibitor of DNA damage induced by 200 microM of H(2)O(2), methanolic CBE showed the most strong inhibition activity. The methanolic CBE of 500 microg/ml showed 38.8% inhibition against growth of human colon cancer cell line HT-29. These results indicated that cherry blossoms could provide valuable bioactive materials.
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Affiliation(s)
- Bo-Bae Lee
- Department of Food Science and Biotechnology, Kyungnam University, Masan, Republic of Korea
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41
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Choi CW, Jung HA, Kang SS, Choi JS. Antioxidant constituents and a new triterpenoid glycoside fromFlos Lonicerae. Arch Pharm Res 2007; 30:1-7. [PMID: 17328234 DOI: 10.1007/bf02977770] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
As a component of our continuing investigations into herb-derived antioxidant agents, we have evaluated the antioxidant effects of Flos Lonicerae (Lonicera japonica flowers), via 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical, total reactive oxygen species (ROS), hydroxyl radical (*OH), and peroxynitrite (ONOO-) assays. Among the methanolic extract and the dichloromethane, ethyl acetate, n-butanol, and water fractions, the EtOAc fraction of Flos Lonicerae exhibited marked scavenging/inhibitory activities, as follows: IC50 values of 4.37, 27.58 +/- 0.71, 0.47 +/- 0.05, and 12.13 +/- 0.79 microg/mL in the DPPH, total ROS, ONOO-, and *OH assays, respectively. Via a bioactivity-guided fractionation approach, a new triterpenoid glycoside, oleanolic acid 28-O-alpha-L-rhamnopyranosyl-(1-->2)-[beta-D-xylopyranosyl(1-->6)]-beta-D-glucopyranosyl ester (12), along with eleven known compounds, including chrysoeriol (1), luteolin (2), 5-hydroxymethyl-2-furfural (3), caffeic acid (4), protocatechuic acid (5), chrysoeriol 7-O-beta-D-glucopyranoside (6), isorhamnetin 3-O-beta-D-glucopyranoside (7), kaempferol 3-O-beta-D-glucopyranoside (8), quercetin 3-O-beta-D-glucopyranoside (9), hederagenin 3-O-alpha-L-arabinopyranoside (10), and luteolin 7-O-beta-D-glucopyranoside (11), were isolated from the EtOAc fraction. The structures of isolated compounds 1-12 were elucidated via spectroscopic analyses. Compound 12 was isolated from a natural source for the first time. Compounds 2, 4, 5, 7, 9, and 11 evidenced marked scavenging activities, with IC50 values of 2.08-11.76 microM for DPPH radicals, and 1.47-6.98 microM for ONOO-.
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Affiliation(s)
- Chun-Whan Choi
- Faculty of Food Science and Biotechnology, Pukyong National University, Busan 608-737, Korea
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42
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Kim MR, Lee JY, Lee HH, Aryal DK, Kim YG, Kim SK, Woo ER, Kang KW. Antioxidative effects of quercetin-glycosides isolated from the flower buds of Tussilago farfara L. Food Chem Toxicol 2006; 44:1299-307. [PMID: 16574296 DOI: 10.1016/j.fct.2006.02.007] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2005] [Revised: 01/05/2006] [Accepted: 02/17/2006] [Indexed: 01/21/2023]
Abstract
A bioassay-guided fractionation of the ethylacetate soluble fraction from the flower buds of Tussilago farfara L. (Compositae) yielded two flavonoids, quercetin 3-O-beta-L-arabinopyranoside and quercetin 3-O-beta-D-glucopyranoside. These two sugar conjugates of quercetin exhibited higher antioxidative activity than their aglycone, quercetin by NBT superoxide scavenging assay. Moreover, treatment with quercetin 3-O-beta-L-arabinopyranoside significantly increased the total glutathione (GSH) contents and the protein level of gamma-glutamylcysteine ligase (gamma-GCL), a key enzyme required for glutathione (GSH) synthesis in a rat hepatocyte cell line. Subcellular fractionation and reporter gene analysis using antioxidant response element (ARE) construct revealed that quercetin 3-O-beta-L-arabinopyranoside increased the level of nuclear Nrf2 and reporter activity, and that these were associated with the induction of the gamma-GCL gene. After 24 h incubation of cells with quercetin 3-O-beta-L-arabinopyranoside, 23% of the glycoside was converted to its aglycone, quercetin, but gamma-GCL was not induced by 7 microM (23%) quercetin. These results suggest that the two quercetin-glycosides isolated from T. farfara L. have direct antioxidative properties, and that quercetin 3-O-beta-L-arabinopyranoside increases the cellular GSH level by inducing the gamma-GCL gene. These novel effects of quercetin-glycosides are suggestive to underlie the potential putative chemopreventive effects of T. farfara L.
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Affiliation(s)
- Mi-Ran Kim
- Research Center for Proteineous Materials, Chosun University, Gwangju 501-759, South Korea
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43
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Jung HA, Chung HY, Kang SS, Hyun SK, Kang HS, Choi JS. A phenolic glucoside isolated fromPrunus serrulata var.spontanea and its peroxynitrite scavenging activity. Arch Pharm Res 2005; 28:1127-30. [PMID: 16276966 DOI: 10.1007/bf02972973] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A new phenolic glucoside (1), pursargentoside, was isolated from the leaves of Prunus serrulata var. spontanea, along with three other known compounds, orobol 7-omicron-glucoside (2), 1beta, 2alpha, 3alpha, 24-tetrahydroxy-urs-12-en-28-oic acid (3), and chlorogenic acid (4). The structure of pursargentoside (1) was identified by spectroscopic data analysis including 1D and 2D NMR spectroscopy, as 2-omicron-beta-(6'-benzoyl)-glucopyranosyl omicron-(Z)-coumaric acid. Compounds 1, 2, and 4 exhibited ONOO scavenging activity, whereas compound 3 was determined to be virtually inactive.
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Affiliation(s)
- Hyun Ah Jung
- Faculty of Food Science and Biotechnology, Pukyong National University, Busan, Korea
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44
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Kim AR, Cho JY, Zou Y, Choi JS, Chung HY. Flavonoids differentially modulate nitric oxide production pathways in lipopolysaccharide-activated RAW264.7 cells. Arch Pharm Res 2005; 28:297-304. [PMID: 15832817 DOI: 10.1007/bf02977796] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Naturally occurring flavonoids are known to modulate various inflammatory and immune processes. Based on structural property, in this study, molecular mechanism of flavonoids in modulating nitric oxide (NO) production and its signaling pathway were investigated using lipopolysaccharide (LPS)-activated RAW264.7 cells. Although flavonol-typed flavonoids (kaempferol and quercetin) more potently scavenged reactivity of nitric oxide (*NO) as well as peroxynitrite (ONOO-) than isoflavones (genistein and genistin), kaempferol, quercetin and genistein showed a little difference in inhibition of both inducible NO synthase expression and NO production, with IC50 values of 13.9, 20.1 and 26.8 microM. However, there was a striking pattern related to structural feature in modulation of LPS-mediated signaling pathways. Thus, flavonols only inhibited transcription factor AP-1 activation, whereas isoflavones suppressed the DNA binding activation of NF-kappaB and C/EBPbeta. Therefore, these data suggest that structural feature may be linked to decide drugs target molecule in LPS-mediated signaling pathways, rather than its potency.
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Affiliation(s)
- Ae Ra Kim
- College of Pharmacy, Pusan National University, Pusan, Korea
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45
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Jung HA, Chung HY, Jung JH, Choi JS. A New Pentacyclic Triterpenoid Glucoside from Prunus serrulata var. spontanea. Chem Pharm Bull (Tokyo) 2004; 52:157-9. [PMID: 14709888 DOI: 10.1248/cpb.52.157] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A new triterpenoid, 2alpha,3alpha,24-trihydroxyurs-12-en-28-oic acid-28-O-beta-D-glucopyranosyl ester (4) along with four known triterpenoids, ursolic acid (1), 2alpha-hydroxyursolic acid (2), 2alpha,3alpha,24-trihydroxyurs-12-en-28-oic acid (3), and 2alpha,3alpha,19alpha,24-tetrahydroxyurs-12-en-28-oic acid-28-O-beta-D-glucopyranosyl ester (5), were isolated from the leaves of Prunus serrulata var. spontanea (Rosaceae). Compounds 3-5 showed ONOO(-) scavenging activity, whereas compounds 1 and 2 were virtually inactive.
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Affiliation(s)
- Hyun Ah Jung
- Faculty of Food Science and Biotechnology, Pukyong National University, Busan 608-737, Korea
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46
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Jung HA, Jung MJ, Kim JY, Chung HY, Choi JS. Inhibitory activity of flavonoids fromPrunus davidiana and other flavonoids on total ROS and hydroxyl radical generation. Arch Pharm Res 2003; 26:809-15. [PMID: 14609128 DOI: 10.1007/bf02980025] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Since reactive oxygen species (ROS) and hydroxyl radicals (*OH) play an important role in the pathogenesis of many human degenerative diseases, much attention has focused on the development of safe and effective antioxidants. Preliminary experiments have revealed that the methanol (MeOH) extract of the stem of Prunus davidiana exerts inhibitory/scavenging activities on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, total ROS and peroxynitrites (ONOO-). In the present study, the antioxidant activities of this MeOH extract and the organic solvent-soluble fractions, dichloromethane (CH2Cl2), ethyl acetate (EtOAc), and n-butanol (n-BuOH), and the water layer of P. davidiana stem were evaluated for the potential to inhibit *OH and total ROS generation in kidney homogenates using 2',7'-dichlorodihydrofluorescein diacetate (DCHF-DA), and for the potential to scavenge authentic ONOO-. We also evaluated the inhibitory activity of seven flavonoids isolated from P. davidiana stem, kaempferol, kaempferol 7-O-beta-D-glucoside, (+)-catechin, dihydrokaempferol, hesperetin 5-O-beta-D-glucoside, naringenin and its 7-O-beta-D-glucoside, on the total ROS, *OH and ONOO- systems. For the further elucidation of the structure-inhibitory activity relationship of flavonoids on total ROS and *OH generation, we measured the antioxidant activity of sixteen flavonoids available, including three active flavonoids isolated from P. davidiana, on the total ROS and *OH systems. We found that the inhibitory activity on total ROS generation increases in strength with more numerous hydroxyl groups on their structures. Also, the presence of an ortho-hydroxyl group, whether on the A-ring or B-ring, and a 3-hydroxyl group on the C-ring increased the inhibitory activity on both total ROS and *OH generation.
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Affiliation(s)
- Hyun Ah Jung
- Faculty of Food Science and Biotechnology, Pukyong National University, Busan 608-737, Korea
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