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Phytotherapy Research: PTR

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https://www.readbyqxmd.com/read/28805022/hesperidin-supplementation-alleviates-oxidative-dna-damage-and-lipid-peroxidation-in-type-2-diabetes-a-randomized-double-blind-placebo-controlled-clinical-trial
#1
Fatemeh Homayouni, Fatemeh Haidari, Mehdi Hedayati, Mehrnoosh Zakerkish, Kambiz Ahmadi
This study aimed to examine the effects of hesperidin supplement on the glycemic parameters, oxidative DNA damage, and lipid peroxidation in patients with type 2 diabetes. Sixty-four patients were randomly allocated to receive 500 mg/day hesperidin or placebo capsules for 6 weeks. Data on glycemic parameters, total antioxidant capacity (TAC), 8-hydroxydeoxyguanosine (8-OHDG), and malondialdehyde (MDA) were collected at the baseline and at the end of the study. In hesperidin group, TAC increased (0.74 ± 0...
August 14, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28782267/4-5-di-o-caffeoylquinic-acid-from-ligularia-fischeri-suppresses-inflammatory-responses-through-trpv1-activation
#2
Yiseul Kim, Jung Tae Kim, Joonwoo Park, Hee Jin Son, Eun-Young Kim, Young Joo Lee, Mee-Ra Rhyu
Ligularia fischeri (Ledeb.) Turcz., a perennial plant native to northeastern Asia, has long been used as folk remedies for the alleviation of inflammatory symptoms. We investigated whether the extract of L. fischeri (LFEx) and caffeoylquinic acid (CQA) derivatives, the pharmacologically active ingredients identified from L. fischeri, regulate inflammation via a transient receptor potential vanilloid 1 (TRPV1)-mediated pathway. Changes in intracellular Ca(2+) levels to the LFEx and trans-5-O-CQA, 3,4-di-O-CQA, 3,5-di-O-CQA, and 4,5-di-O-CQA were monitored in TRPV1-expressing human embryonic kidney cell HEK 293T...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28782194/the-preparation-of-hyaluronic-acid-nanoparticles-from-aspicilia-lichens-using-bifido-bacteria-for-help-in-the-treatment-of-diabetes-in-rats-in-vivo
#3
Akbar Esmaeili, Shirin Rajaee
Many common herbs and spices are claimed to have blood sugar lowering properties that make them useful for people with or at high risk of diabetes. The main of compounds of kiwifruit (Actinidia deliciosa), rhubarb (Rheum ribes), membrane inner of egg shell, wool of sheep, human fingernail (unguis), hyaluronic acid produced by the Bifidobacterium, and usnic acid of Aspicilia lichen were extracted by different methods. All compounds of the extract were divided into five groups. We used variables such as pH, different compounds, concentration, number of injections, and blood glucose monitoring in different situations...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28782167/plants-of-the-melaleuca-genus-as-antimicrobial-agents-from-farm-to-pharmacy
#4
REVIEW
Javad Sharifi-Rad, Bahare Salehi, Elena Maria Varoni, Farukh Sharopov, Zubaida Yousaf, Seyed Abdulmajid Ayatollahi, Farzad Kobarfard, Mehdi Sharifi-Rad, Mohammad Hossain Afdjei, Majid Sharifi-Rad, Marcello Iriti
Plants belonging to Melaleuca genus (Myrtaceae family) are native to Oceania, where they have been used for ages by Aborigine people in Australian traditional medicine, mainly because of their broad-spectrum antimicrobial activity. Although, M. linariifolia, M. dissitiflora, and other species of Melaleuca can also be used, the tea tree oil, an essential oil obtained from M. alternifolia shows the longest history of medicinal uses. Tea tree oil contains for the 80-90% several monoterpenes (terpinen-4-ol, α-terpinene, 1,8-cineol, p-cymene, α-terpineol, α-pinene, terpinolene, limonene, and sabinene)...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28782139/low-doses-of-curcuma-longa-modulates-cell-migration-and-cell-cell-adhesion
#5
Paloma Santos de Campos, Bibiana Franzen Matte, Leonardo Francisco Diel, Luciano Henrique Jesus, Lisiane Bernardi, Alessandro Menna Alves, Pantelis Varvaki Rados, Marcelo Lazzaron Lamers
Cell invasion and metastasis are involved in clinical failures in cancer treatment, and both events require the acquisition of a migratory behavior by tumor cells. Curcumin is a promising natural product with anti-proliferative activity, but its effects on cell migration are still unclear. We evaluated the effects of curcumin on the proliferation, apoptosis, migration, and cell-cell adhesion of keratinocyte, oral squamous cell carcinoma (OSCC), and fibroblast cell lines, as well as in a xenograft model of OSCC...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28766866/enhanced-oral-bioavailability-of-diltiazem-by-the-influence-of-gallic-acid-and-ellagic-acid-in-male-wistar-rats-involvement-of-cyp3a-and-p-gp-inhibition
#6
Bhargavi Latha Athukuri, Prasad Neerati
The oral bioavailability of diltiazem is very low due to rapid first pass metabolism in liver and intestine. The purpose of the study was to investigate the effect of gallic acid and ellagic acid on intestinal transport and oral bioavailability of diltiazem in rats. The intestinal transport and permeability of diltiazem was evaluated by in vitro non-everted sac method and in situ single pass intestinal perfusion study. The oral pharmacokinetics was evaluated by conducting oral bioavailability study. The intestinal transport and apparent permeability of diltiazem were significantly enhanced in duodenum, jejunum, and ileum of gallic and ellagic acid-treated groups...
August 2, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28766764/bioactive-triterpenes-from-the-root-of-salvia-miltiorrhiza-bunge
#7
Nguyen Huu Tung, Kensuke Nakajima, Takuhiro Uto, Nguyen Thanh Hai, Dinh Doan Long, Tomoe Ohta, Shigeru Oiso, Hiroko Kariyazono, Yukihiro Shoyama
Danshen (Salvia miltiorrhiza) is a well-known medicinal herb in the oriental medicine. The current study on bioactive triterpenoid in the root of S. miltiorrhiza led to the isolation of a new highly hydroxylated ursane-type triterpene, urs-12-ene-2α,3β,7β,16α-tetraol (1) and five known ones including 2β-hydroxypomolic acid (2), maslinic acid (3), asiatic acid (4), ursolic acid (5), and oleanolic acid (6). Their structures were elucidated on the basis of extensive spectroscopic analyses and comparison with literature data...
August 2, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28762585/therapeutic-effects-of-6-gingerol-8-gingerol-and-10-gingerol-on-dextran-sulfate-sodium-induced-acute-ulcerative-colitis-in-rats
#8
Feng Zhang, Na Ma, Yong-Feng Gao, Li-Li Sun, Ji-Guo Zhang
Ulcerative colitis is one of the most common types of inflammatory bowel disease and is multifactorial and relapsing. 6-Gingerol, a component of gingerols extracted from ginger (Zingiber officinale), has been reported to improve ulcerative colitis. The present study aims to investigate the therapeutic efficacy of two analogous forms of 6-gingerol, 8-gingerol, and 10-gingerol, on ulcerative colitis. Colitis was induced in rats through consumption of 5% (w/v) dextran sulfate sodium drinking water for 7 consecutive days...
August 1, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28752649/safety-efficacy-and-mechanistic-studies-regarding-citrus-aurantium-bitter-orange-extract-and-p-synephrine
#9
REVIEW
Sidney J Stohs
Citrus aurantium L. (bitter orange) extracts that contain p-synephrine as the primary protoalkaloid are widely used for weight loss/weight management, sports performance, appetite control, energy, and mental focus and cognition. Questions have been raised about the safety of p-synephrine because it has some structural similarity to ephedrine. This review focuses on current human, animal, in vitro, and mechanistic studies that address the safety, efficacy, and mechanisms of action of bitter orange extracts and p-synephrine...
July 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28752625/reduction-of-ischemic-brain-edema-by-combined-use-of-paeoniflorin-and-astragaloside-iv-via-down-regulating-connexin-43
#10
Heling Chu, Chuyi Huang, Zidan Gao, Jing Dong, Yuping Tang, Qiang Dong
Paeoniflorin (PF) and astragaloside IV (AS-IV) have protective effects on cerebral ischemia. We aimed to test the effects of combined use of PF and AS-IV on ischemic brain edema and investigate whether the effects were dependent on connexin43 (Cx43). We detected the expression of Cx43 induced by PF and AS-IV after cerebral ischemia. We also examined the effects of combined use of PF and AS-IV on ischemic edema and further investigated the related pathways. We demonstrated PF and AS-IV decreased Cx43 and aquaporin4 (AQP4) associating with reduction of brain edema by dry-wet weight and brain-specific gravity methods after cerebral ischemia...
July 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28752576/influence-of-prostanoids-in-the-diuretic-and-natriuretic-effects-of-extracts-and-kaempferitrin-from-bauhinia-forficata-link-leaves-in-rats
#11
Priscila de Souza, Luisa Mota da Silva, Thaise Boeing, Lincon Bordignon Somensi, Camile Cecconi Cechinel-Zanchett, Adriana Campos, Clarissa de Medeiros Amorim Krueger, Jairo Kenupp Bastos, Valdir Cechinel-Filho, Sérgio Faloni de Andrade
Although Bauhinia forficata Link is popularly used in Brazil to induce diuresis, no scientific investigation has focused on demonstrating its efficacy in preclinical trials. For that, normotensive male Wistar and spontaneously hypertensive rats were used to test the effect of extracts and kaempferitrin obtained from Bauhinia forficata leaves in the experimental model of diuresis. Cumulative urine volume, Na(+) and K(+) excretion, calcium, creatinine, prostaglandin E2 , pH, density, and conductivity were measured at the end of the experiment (after 8 or 24 h)...
July 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28752532/rutin-a-quercetin-glycoside-restores-chemosensitivity-in-human-breast-cancer-cells
#12
Marcello Iriti, Robert Kubina, Andrea Cochis, Rita Sorrentino, Elena M Varoni, Agata Kabała-Dzik, Barbara Azzimonti, Arkadiusz Dziedzic, Lia Rimondini, Robert D Wojtyczka
Several studies have documented the ability of flavonoids to sensitize cancer cells to chemotherapeutics and reverse multidrug resistance by inhibition of efflux pumps (adenosine triphosphate-binding cassette transporters), apoptosis activation, and cell cycle arrest. In this study, the flavonoid rutin (quercetin 3-O-β-d-rutinoside) was investigated as chemosensitizer towards two different human epithelial breast cancer cell lines: (i) MB-MDA-231, selected as representative for triple-negative breast cancer and (ii) MCF-7 used as a well-characterized model of HER2-negative breast cancer...
July 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28744920/anti-myocardial-ischemia-effect-and-components-of-litchi-pericarp-extracts
#13
Yanfen Chen, Huanqing Li, Shu Zhang, Chaoyan Yang, Ziying Mai, Xueyan Hu, Zhenhu Gao, Hong Deng
Litchi (Litchi chinensis Sonn.) is a famous fruit in south China, and it is also effective for chest tightness or chest pain, irritability, flatulence, epigastric pain and neuralgic pain, hernia pain and testicular swelling, cough, etc. It is valued because a great amount of polyphenol was found in litchi pericarp. In this paper, we got litchi pericarp pure extract by a simple purification method, then evaluated its activity to clear oxygen free radicals in vitro, and evaluated its myocardial protection effect in vivo through acute myocardial ischemia rat model...
July 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28744911/antiproliferative-activity-of-phenylpropanoids-isolated-from-lagotis-brevituba-maxim
#14
Yuan Xiang, Zhao Jing, Wang Haixia, Yu Ruitao, Wen Huaixiu, Liu Zenggen, Mei Lijuan, Wang Yiping, Tao Yanduo
The aim of the present study was to evaluate the antiproliferative effect of phenylpropanoids isolated from the n-BuOH-soluble fraction of an ethanolic extract of Lagotis brevituba Maxim. The phenylpropanoids were identified as echinacoside, lagotioside, glucopyranosyl(1-6)martynoside, plantamoside, and verbascoside. Three of the compounds, lagotioside, glucopyranosyl(1-6)martynoside, and plantamoside, were isolated from L. brevituba for the first time. The antiproliferative activity of the isolates was evaluated in human gastric carcinoma (MGC-803), human colorectal carcinoma (HCT116), human hepatocellar carcinoma (HepG2), and human lung cancer (HCT116) cells using an 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay...
July 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28731262/nephroprotective-effects-of-anthocyanin-from-the-fruits-of-panax-ginseng-gfa-on-cisplatin-induced-acute-kidney-injury-in-mice
#15
Zhen-Lan Qi, Zi Wang, Wei Li, Jin-Gang Hou, Ying Liu, Xin-Dian Li, Hui-Ping Li, Ying-Ping Wang
Cisplatin is an effective anticancer chemotherapeutic agent, but the use of cisplatin in the clinic is severely limited by side effects. Nephrotoxicity is a major factor that contributes to the side effects of cisplatin chemotherapy. The aim of this research was to survey the nephroprotective effects of anthocyanin from the fruits of Panax ginseng (GFA) in a murine model of cisplatin-induced acute kidney injury. We observed that pretreatment with GFA attenuated cisplatin-induced elevations in blood urea nitrogen and creatinine levels and histopathological injury induced by cisplatin...
July 21, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28730733/the-potential-impact-of-radix-paeoniae-alba-in-embryonic-development-of-mice
#16
Wei Xu, Ling Xu, Bin Deng, Jing Leng, Nong Tang, Li Chun Zhao, Hong Hai Zhou, Zhong Zhen Zhao, Zhi Jun Yang, Ting Ting Xiao, Xiao Ying Tian, Alan H M Ho, Nickie W K Chan, Yeuk Lung Chow, Chi Yi Chow, Min Xu
Although Radix Paeoniae Alba (RPA) has been ranked as one of the top 6 herbs used frequently to prevent and treat miscarriages clinically, there is no clear evidence regarding its safety in embryonic development. This study aims to evaluate the potential impacts of RPA on embryonic stem cells (ESCs) and pregnant mice. Cytotoxicity assays of the extract were performed in ESCs and 3T3 cells. Pregnant ICR mice were orally treated with RPA extracts at dosages of 0 (G1 group as negative controls), 2, 8 and 32 g/kg/day (G2, G3 and G4 groups) respectively from the gestation day (Gd) 6-15...
July 21, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28730719/anticandidal-activity-of-extracts-and-a-novel-compound-amnomopin-isolated-from-petriella-setifera
#17
Amani S Awaad, Nour K Al-Aonazi, Monerah R Al-Othman, Mohamed E Zain, Reham M El-Meligy, Nabil El-Sayed
A novel triterpenoidal compound named 'amnomopin' (3β-diglucoside-5,12-28-oic acid), which is named IUPAC as 3-O-(2' ➔ 1″diglucoside)1,2,3,4,4a,5,6,6a,6b,7,9,10,11,12,12a,12b,13,14b-octadecahydro-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethylpicene-4a-carboxylic acid, was isolated from the extract Petriella setifera. The total alcoholic extract of P. setifera showed a great activity against clinically isolated Candida species, including Candida albicans, Candida dubliniensis, Candida famata, Candida glabrata, Candida inconspicua, Candida kefyr, Candida krusei, Candida norvegensis, Candida parapsilosis and Candida tropicalis...
July 20, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28718964/antiangiogenic-effects-of-ziyuglycoside-ii-a-major-active-compound-of-sanguisorba-officinalis-l
#18
Sang-Hyeon Nam, Khaliunaa Lkhagvasuren, Hee Won Seo, Jin-Kyung Kim
Ziyuglycoside II, a major bioactive compound of Sanguisorba officinalis L., displays anticancer potential against several human cancer cells. However, little information concerning its antiangiogenic properties and possible mechanisms is available. The aim of this study was to investigate the inhibitory effects of ziyuglycoside II on angiogenesis. Ziyuglycoside II inhibited the proliferation, migration, and tubule formation of human umbilical vein endothelial cells, as well as the number of microvessels growing from the aortic rings...
July 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28707431/efficacy-of-a-proprietary-trigonella-foenum-graecum-l-de-husked-seed-extract-in-reducing-menopausal-symptoms-in-otherwise-healthy-women-a-double-blind-randomized-placebo-controlled-study
#19
E Steels, M L Steele, M Harold, S Coulson
Trigonella foenum-graecum seed extract has demonstrated hormone modulatory activity, providing biological plausibility for relieving menopausal symptoms. The study aimed to assess efficacy of a standardized T. foenum-graecum de-husked seed extract in reducing menopausal symptoms in healthy aging women. The study was a double-blind, randomized, placebo-controlled trial that recruited 115 women aged 40 to 65 years of which 59 were allocated to active (n = 54 completed) and 56 to placebo (n = 50 completed)...
July 14, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28703314/stephanine-from-stephania-venosa-blume-spreng-showed-effective-antiplasmodial-and-anticancer-activities-the-latter-by-inducing-apoptosis-through-the-reverse-of-mitotic-exit
#20
Phuong Mai Le, Vandana Srivastava, Thanh Tam Nguyen, Bruno Pradines, Marylin Madamet, Joel Mosnier, Thi Thuy Trinh, Hoyun Lee
Extracts from the tubers of Stephania venosa (Blum) Spreng growing in Vietnam significantly inhibited cell proliferation against a number of cancer cells including HeLa, MDA-MB231 and MCF-7 cells. A bioassay-guided fractionation led to the isolation of four aporphine and one tetrahydroprotoberberine alkaloids: dehydrocrebanine 1, tetrahydropalmatine 2, stephanine 3, crebanine 4 and O-methylbulbocapnine 5. The characterization of these compounds was based on MS, NMR and published data. A study by structure-bioactivity relationship on these isolates showed that stephanine is the most active compound...
July 13, 2017: Phytotherapy Research: PTR
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