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Phytotherapy Research: PTR

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https://www.readbyqxmd.com/read/28524381/antifungal-activity-of-gallic-acid-in-vitro-and-in-vivo
#1
Zhi-Jian Li, Meng Liu, Gulina Dawuti, Qin Dou, Yu Ma, Heng-Ge Liu, Silafu Aibai
Gallic acid (GA) is a polyphenol natural compound found in many medicinal plant species, including pomegranate rind (Punica granatum L.), and has been shown to have antiinflammatory and antibacterial properties. Pomegranate rind is used to treat bacterial and fungal pathogens in Uyghur and other systems of traditional medicine, but, surprisingly, the effects of GA on antifungal activity have not yet been reported. In this study, we aimed to investigate the inhibitory effects of GA on fungal strains both in vitro and in vivo...
May 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28524250/one-plant-many-uses-a-review-of-the-pharmacological-applications-of-morinda-citrifolia
#2
REVIEW
Mylena Andréa Oliveira Torres, Isadora de Fátima Braga Magalhães, Renata Mondêgo-Oliveira, Joicy Cortez de Sá, Alessandra Lima Rocha, Ana Lucia Abreu-Silva
Morinda citrifolia, also known as noni, is commonly used in popular medicine in Brazil. Many parts of the noni tree are utilized in such practices, including the roots, leaves and seeds. Through a search of online databases, the present article reviews 92 research studies on the biological actions of M. citrifolia. The paper will discuss the therapeutic effects of noni and its compounds in a variety of forms of presentation, focusing on studies that support its traditional use. A large and diverse number of properties were identified, which were divided into immunostimulatory, antitumor, antidiabetic, anti-obesity, antibacterial and anti-septic, antifungal, antiviral, leishmanicidal, antiinflammatory, antinociceptive and analgesic, antioxidant, neuroprotective, wound healing, antiallergic, antiangiogenic, antiemetic and anti-nausea, anti-gastric ulcer and oesophagitis, anthelmintic, antimutagenic, antipsychotic, anxiolytic, photoprotective, anti-wrinkle and periodontal tissue regeneration activities...
May 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28512988/phytochemistry-and-pharmacology-of-phyllanthus-niruri-l-a-review
#3
REVIEW
Navneet Kaur, Baljinder Kaur, Geetika Sirhindi
Phyllanthus niruri, a typical member of family Euphorbiaceae, is a small annual herb found throughout the tropical and subtropical regions of both hemispheres. The genus Phyllanthus has been used in traditional medicine for its wide range of pharmacological activities like antimicrobial, antioxidant, anticancer, antiinflammatory, antiplasmodial, antiviral, diuretic and hepatoprotective. This review summarizes the information about morphological, biochemical, ethanobotanical, pharmacological, biological and toxicological activities with special emphasis on mechanism of anticancer activity of P...
May 17, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28512854/mogroside-iiie-attenuates-lps-induced-acute-lung-injury-in-mice-partly-through-regulation-of-the-tlr4-mapk-nf-%C3%AE%C2%BAb-axis-via-ampk-activation
#4
Lijun Tao, Fengyan Cao, Gonghao Xu, Haifeng Xie, Mian Zhang, Chaofeng Zhang
Acute lung injury (ALI) often leads to high mortality, and there is as yet no effective drug treatment. The present study aimed to investigate protective effects of mogroside IIIE (MGIIIE, a cucurbitane-type triterpenoid from Siraitia grosvenorii Fruits) in experimental ALI and its underlying mechanism. MGIIIE (1, 10 0r 20 mg/kg) was orally administered for 1 h before a single intratracheal administration of lipopolysaccharide (LPS, 5 mg/kg). MGIIIE treatment dose-dependently suppressed pulmonary oedema, pro-inflammatory mediators (IL-1β, IL-6, TNF-α and HMGB1) release and higher MPO activity in lung tissues induced by LPS challenge...
May 17, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28509424/inhibition-of-prion-propagation-by-3-4-dimethoxycinnamic-acid
#5
Ivan Zanyatkin, Yulia Stroylova, Sofia Tishina, Victor Stroylov, Aleksandra Melnikova, Thomas Haertle, Vladimir Muronetz
Neurodegenerative diseases are associated with accumulation of amyloid-type protein misfolding products. Prion protein (PrP) is known for its ability to aggregate into soluble oligomers that in turn associate into amyloid fibrils. Preventing the formation of these infective and neurotoxic entities represents a viable strategy to control prion diseases. Numerous attempts to find dietary compounds with anti-prion properties have been made; however, the most promising agent found so far was curcumin, which is poorly soluble and merely bioavailable...
May 16, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28509400/glycyrrhetinic-acid-accelerates-the-clearance-of-triptolide-through-p-gp-in-vitro
#6
Zhihua Li, Miao Yan, Lingjuan Cao, Pingfei Fang, Zhaohui Guo, Zhenyan Hou, Bikui Zhang
Triptolide (TP) is an active ingredient isolated from Tripterygium wilfordii Hook. f. (TWHF), which is a traditional herbal medicine widely used for the treatment of rheumatoid arthritis and autoimmune disease in the clinic. However, its adverse reactions of hepatotoxicity and nephrotoxicity have been frequently reported which limited its clinical application. The aim of this study was to investigate the mechanism of glycyrrhetinic acid (GA) effecting on the elimination of TP in HK-2 cells and the role of the efflux transporters of P-gp and multidrug resistance-associated proteins (MRPs) in this process...
May 16, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28508427/evaluation-of-benefit-and-tolerability-of-iqp-cl-101-xanthofen-in-the-symptomatic-improvement-of-irritable-bowel-syndrome-a-double-blinded-randomised-placebo-controlled-clinical-trial
#7
Felix Alt, Pee-Win Chong, Emily Teng, Ralf Uebelhack
Irritable bowel syndrome (IBS) is a functional bowel disorder of unknown aetiology. There is currently no known cure, and pharmacological interventions are usually targeting symptomatic relief, where natural and herbal remedies also play a role. This study aimed to evaluate the benefit and tolerability of IQP-CL-101 in symptomatic IBS relief. A double-blinded, randomised, placebo-controlled trial was conducted over 8 weeks. A total of 99 subjects fulfilling ROME-III criteria for IBS were randomised into two groups, given either two IQP-CL-101 softgels or matching placebo twice daily before main meals...
May 16, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28504466/nepetoidin-b-a-natural-product-inhibits-lps-stimulated-nitric-oxide-production-via-modulation-of-inos-mediated-by-nf-%C3%AE%C2%BAb-mkp-5-pathways
#8
Xiaxia Wu, Hongwei Gao, Wen Sun, Jie Yu, Hao Hu, Qiongming Xu, Xiuping Chen
Previous reports showed that nepetoidin B (NTB), a natural product isolated from many herbs, has anti-fungal and anti-bacterial effects. In this study, the antiinflammatory effect of NTB was investigated in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. The cytotoxic effect of NTB and LPS was determined by MTT assay. The nitric oxide (NO) production was detected by Griess assay. The TNF-α and IL-6 levels were determined by enzyme-linked immunosorbent assay kits. Protein expressions were tested by western blotting...
May 15, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28504367/neuroprotective-natural-products-for-the-treatment-of-parkinson-s-disease-by-targeting-the-autophagy-lysosome-pathway-a-systematic-review
#9
REVIEW
Zi-Ying Wang, Jing-Yi Liu, Chuan-Bin Yang, Sandeep Malampati, Ying-Yu Huang, Mei-Xiang Li, Min Li, Ju-Xian Song
The autophagy-lysosome pathway (ALP) is a primary means by which damaged organelles and long-lived proteins are removed from cells and their components recycled. Impairment of the ALP has been found to be linked to the pathogenesis of Parkinson's disease (PD), a chronic neurodegenerative disorder characterized by the accumulation of protein aggregates and loss of dopaminergic neurons in the midbrain. In recent years, some active compounds derived from plants have been found to regulate the ALP and to exert neuroprotective effects in experimental models of PD, raising the possibility that autophagy enhancement may be an effective therapeutic strategy in PD treatment...
May 15, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28493374/polyphenols-and-their-role-in-obesity-management-a-systematic-review-of-randomized-clinical-trials
#10
REVIEW
Grace Farhat, Sandra Drummond, Emad A S Al-Dujaili
Polyphenols have been suggested to reduce body weight and modify body composition through different mechanisms. These effects have been extensively studied in animals and in vitro and to a lesser extent in humans. The aim of this review is to consider the association between polyphenols and body weight status by focusing on human intervention studies. We conducted a systematic literature search in MEDLINE (via EBSCOhost), ProQuest CENTRAL, and Cochrane CENTRAL without time restrictions. Randomized controlled trials assessing the effect of polyphenols on weight and/or body composition in the overweight and/or obese population were included...
May 11, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28488307/baicalin-alleviates-nitroglycerin-induced-migraine-in-rats-via-the-trigeminovascular-system
#11
Yu-Yao Sun, Wen-Jun Zhang, Cui-Lan Dong, Xiao-Fan Zhang, Jun Ji, Xue Wang, Ling Wang, Wan-Li Hu, Wen-Juan Du, Cheng-Long Cui, Chun-Feng Zhang, Fei Li, Chong-Zhi Wang, Chun-Su Yuan
Migraine is a common neurological disorder with a serious impact on quality of life. The aim of this study was to explore the effect of baicalin on nitroglycerin-induced migraine rats. We carried out a behavioral research within 2 h post-nitroglycerin injection, and blood samples were drawn for measurements of nitric oxide (NO), calcitonin gene-related peptide, and endothelin (ET) levels. Immunohistochemistry was adopted to detect the activation of C-fos immunoreactive neurons in periaqueductal gray. The number, area size, and integrated optical density of C-fos positive cells were measured using Image-Pro Plus...
May 10, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28480612/pharmacological-and-toxicological-study-of-maytenus-ilicifolia-leaf-extract-part-i-preclinical-studies
#12
Ricardo Tabach, Joaquim M Duarte-Almeida, Elisaldo A Carlini
One of the Brazilians medicinal plants most cited in ethnopharmacological surveys for the treatment of ulcers and gastric diseases was evaluated for its efficacy and toxicity. Maytenus ilicifolia leaf extract (MIE) was acutely and chronically (180 days) administered to rats, mice, and dogs. Acute tests were antiulcer effect and toxicological trials (observational pharmacological screening, LD50, motor coordination, sleeping time and motor activity). Chronic tests were the following: weight gain/loss and behavioral parameters in rats and mice; estrus cycle, effects on fertility, and teratogenic studies in rats and mutagenic features in mice, in addition to the Ames and micronucleus test...
May 8, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28480515/pharmacological-and-toxicological-study-of-maytenus-ilicifolia-leaf-extract-part-ii-clinical-study-phase-i
#13
Ricardo Tabach, Joaquim M Duarte-Almeida, E A Carlini
Maytenus ilicifolia is a plant widely used in South American folk medicine as an effective anti-dyspeptic agent, and the aim of this study was to evaluate their clinical and toxicological effects in healthy volunteers in order to establish its maximum safe dose. We selected 24 volunteers (12 women and 12 men) between 20 and 40 years of age and put them through clinical/laboratory screening and testing to ascertain their psychomotor functions (simple visual reaction, speed and accuracy, finger tapping tests)...
May 8, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28464411/c-glycosyl-flavonoids-from-beta-vulgaris-cicla-and-betalains-from-beta-vulgaris-rubra-antioxidant-anticancer-and-antiinflammatory-activities-a-review
#14
REVIEW
Paolino Ninfali, Elena Antonini, Alessandra Frati, Emanuele-Salvatore Scarpa
The green beet (Beta vulgaris var. cicla L.) and red beetroot (B. vulgaris var. rubra L.) contain phytochemicals that have beneficial effects on human health. Specifically, the green beet contains apigenin, vitexin, vitexin-2-O-xyloside and vitexin-2-O-rhamnoside, while the red beetroot is a source of betaxanthins and betacyanins. These phytochemicals show considerable antioxidant activity, as well as antiinflammatory and antiproliferative activities. Vitexin-2-O-xyloside, in combination with betaxanthins and betacyanins, exerts antiproliferative activity in breast, liver, colon and bladder cancer cell lines, through the induction of both intrinsic and extrinsic apoptotic pathways...
May 2, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28447368/optimization-of-aqueous-extraction-and-biological-activity-of-harpagophytum-procumbens-root-on-ex-vivo-rat-colon-inflammatory-model
#15
Marcello Locatelli, Claudio Ferrante, Simone Carradori, Daniela Secci, Lidia Leporini, Annalisa Chiavaroli, Sheila Leone, Lucia Recinella, Giustino Orlando, Sara Martinotti, Luigi Brunetti, Michele Vacca, Luigi Menghini
Harpagophytum procumbens has a long story of use for the treatment of inflammatory diseases. Considering both the antiinflammatory effects of H. procumbens in multiple tissues and the stability of harpagoside in artificial intestinal fluid, the aim of the present study was to explore the possible protective role of a microwave-assisted aqueous Harpagophytum extract (1-1000 μg/mL) on mouse myoblast C2C12 and human colorectal adenocarcinoma HCT116 cell lines, and isolated rat colon specimens challenged with lipopolysaccharide (LPS), a validated ex vivo model of acute ulcerative colitis...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28444928/antiinflammatory-activity-of-cinnamon-cinnamomum-zeylanicum-bark-essential-oil-in-a-human-skin-disease-model
#16
Xuesheng Han, Tory L Parker
The effect of cinnamon (Cinnamomum zeylanicum) bark essential oil (CBEO) on human skin cells has not been elucidated. Therefore, we investigated the activity of a commercially available CBEO in a validated human dermal fibroblast system, a model of chronic inflammation and fibrosis. We first evaluated the impact of CBEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodeling. The impact of CBEO on genome-wide gene expression was also evaluated. CBEO showed strong anti-proliferative effects on skin cells and significantly inhibited the production of several inflammatory biomarkers, including vascular cell adhesion molecule-1, intercellular cell adhesion molecule-1, monocyte chemoattractant protein-1, interferon gamma-induced protein 10, interferon-inducible T-cell alpha chemoattractant, and monokine induced by gamma interferon...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28444790/aloe-emodin-induces-apoptosis-in-human-liver-hl-7702-cells-through-fas-death-pathway-and-the-mitochondrial-pathway-by-generating-reactive-oxygen-species
#17
Xiaoxv Dong, Jing Fu, Xingbin Yin, Chunjing Yang, Jian Ni
Aloe-emodin (1,8-dihydroxy-3-hydroxymethyl-anthraquinone) is one of the primary active compounds in total rhubarb anthraquinones isolated from some traditional medicinal plants such as Rheum palmatum L. and Cassia occidentalis, which induce hepatotoxicity in rats. Thus, the aim of this study was to determine the potential cytotoxic effects and the underlying mechanism of aloe-emodin on human normal liver HL-7702 cells. The CCK-8 assays demonstrated that aloe-emodin decreased the viability of HL-7702 cells in a dose-dependent and time-dependent manner...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28439998/the-effects-of-chosen-plant-extracts-and-compounds-on-mesenchymal-stem-cells-a-bridge-between-molecular-nutrition-and-regenerative-medicine-concise-review
#18
REVIEW
Katarzyna Kornicka, Ievgeniia Kocherova, Krzysztof Marycz
Mesenchymal stem cells (MSC) stand as a promising tool in regenerative medicine because of their high therapeutic potential in treatment of degenerative, metabolic and other types of diseases. The cellular therapies involving MSCs include their isolation mainly from the bone marrow, adipose tissue or umbilical cord and in vitro expansion for further autologous or allogeneic transplantation. Recent studies revealed, that bioactive compounds, naturally occurring in seaweeds, herbs, fruits and vegetables, possess the ability to modulate self-renewal and differentiation potential of adult stem cells, targeting a broad range of intracellular signal transduction pathways...
April 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28425219/resistance-modifying-activity-in-vinblastine-resistant-human-breast-cancer-cells-by-oligosaccharides-obtained-from-mucilage-of-chia-seeds-salvia-hispanica
#19
Daniel G Rosas-Ramírez, Mabel Fragoso-Serrano, Sonia Escandón-Rivera, Alba L Vargas-Ramírez, Juan P Reyes-Grajeda, Manuel Soriano-García
The multidrug resistance (MDR) phenotype is considered as a major cause of the failure in cancer chemotherapy. The acquisition of MDR is usually mediated by the overexpression of drug efflux pumps of a P-glycoprotein. The development of compounds that mitigate the MDR phenotype by modulating the activity of these transport proteins is an important yet elusive target. Here, we screened the saponification and enzymatic degradation products from Salvia hispanica seed's mucilage to discover modulating compounds of the acquired resistance to chemotherapeutic in breast cancer cells...
April 20, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28425214/hypoglycemic-and-antihyperglycemic-activities-of-nine-medicinal-herbs-used-as-antidiabetic-in-the-region-of-lubumbashi-dr-congo
#20
Bakari Amuri, Mwamba Maseho, Lumbu Simbi, Philippe Okusa, Pierre Duez, Kahumba Byanga
The aim of this study was to assess the hypoglycemic and antihyperglycemic activities of nine plants used as antidiabetic treatments in Lubumbashi and its surroundings. Those are Albizia adianthifolia, Azanza garckeana, Cassia occidentalis, Cassia sieberiana, Erythrina abyssinica, Gladiolus klattianus, Rauvolfia caffra, Strychnos spinosa, and Vitex madiensis. Aqueous extracts, obtained by decoction and maceration, were administered (500 mg/kg) per os to guinea pigs (Cavia porcellus), both in glucose baseline conditions and in oral glucose tolerance test (OGTT) conditions (glucose, 2 g/kg; follow-up over 210 min)...
April 20, 2017: Phytotherapy Research: PTR
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