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https://www.readbyqxmd.com/read/29677543/garcinia-morella-fruit-a-promising-source-of-antioxidant-and-anti-inflammatory-agents-induces-breast-cancer-cell-death-via-triggering-apoptotic-pathway
#1
Bhaswati Choudhury, Raghuram Kandimalla, R Elancheran, Rupjyoti Bharali, Jibon Kotoky
A rapid rise in cancer cases worldwide, especially breast cancer in females, instigates the need for more effective and less side effect causing drugs from natural origin. Thereby, in the present study, Garcinia morella fruit was investigated for antioxidant, anti-inflammatory and anti-breast cancer activity. Preliminary antioxidant and anticancer evaluation of different fractions and crude methanol extract of G. morella fruit suggested chloroform fraction as the bioactive fraction. Time course analysis (by 24 h, 48 h and 72 h) of the bioactive fraction (1...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29655982/polyprenylated-polycyclic-acylphloroglucinol-angiogenesis-inhibitor-from-garcinia-multiflora
#2
Lin-Yang Cheng, Chun-Lin Chen, Yueh-Hsiung Kuo, Tsung-Hsien Chang, I-Wei Lin, Shih-Wei Wang, Mei-Ing Chung, Jih-Jung Chen
A new polyprenylated polycyclic acylphloroglucinol, garcimultiflorone K (1), has been isolated from the stems of Garcinia multiflora, together with two known compounds, garcimultiflorone A (2) and garcimultiflorone B (3). The structure of new compound 1 was determined through spectroscopic methods including 1D and 2D NMR and MS analyses. The anti-angiogenic and anti-cancer effects of compounds 1-3 were evaluated in human endothelial progenitor cells (EPCs) and cancer cells. Of these, garcimultiflorone K (1) displayed the most potent anti-angiogenic property by suppressing cell growth and tube formation of EPCs...
April 6, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29620273/p38-inhibitor-inhibits-the-apoptosis-of-cowanin-treated-human-colorectal-adenocarcinoma-cells
#3
Nittiya Chowchaikong, Sirinun Nilwarangkoon, Surat Laphookhieo, Chantra Tanunyutthawongse, Ramida Watanapokasin
Colorectal cancer, which is the third most common type of cancer diagnosed in both men and women, is the leading cause of cancer-related deaths worldwide. Cowanin is a pure compound extracted from Garcinia cowa Roxb., a tree species present in Thailand, Malaysia and Myanmar. The crude extract has been demonstrated to have antitumor activity, inflammation induction, antibacterial activity, anti-inflammatory activity and antimalarial activity. In the present study, the effects of cowanin on apoptosis induction and on the apoptosis-related and mitogen-activated protein kinase (MAPK) pathways were investigated in the LoVo human colorectal cancer cell line...
April 3, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29615704/virtual-screening-docking-admet-and-system-pharmacology-studies-on-garcinia-caged-xanthone-derivatives-for-anticancer-activity
#4
Sarfaraz Alam, Feroz Khan
Caged xanthones are bioactive compounds mainly derived from the Garcinia genus. In this study, a structure-activity relationship (SAR) of caged xanthones and their derivatives for anticancer activity against different cancer cell lines such as A549, HepG2 and U251 were developed through quantitative (Q)-SAR modeling approach. The regression coefficient (r2 ), internal cross-validation regression coefficient (q2 ) and external cross-validation regression coefficient (pred_r2 ) of derived QSAR models were 0.87, 0...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29600757/preclinical-hepatoprotective-effect-of-herbalism-against-ethanol-induced-hepatotoxicity-a-review
#5
Hina Firdous, Talib Hussain, Monika Singh, Syed Mohd Danish Rizvi, Afrasim Moin, Mohammad A Kamal
Liver ailments including alcoholic liver disease (ALD), still remain the main reason for morbidity & mortality worldwide. In fact, ALD is a multifactorial disease with complex pathophysiology which is linked to several types of liver damages including steatohepatitis, fibrosis and cirrhosis. This review emphasizes on 30 herbal medicinal plants with their extracts studied for protective effect against ALD and current scientific evidence of ALD cure by thirty Indian Materia Medica including Tilia Platyphyllos, Amomum subulatum, Carica papaya, Pogostemon patchouli, Commelina benghalensis, Bacopamonnieri, Pecan nut, Allium cepa, Beta Vulgaris, Adina cordifolia, Ocimum gratissimum, Vernonia amygdalina, Sida veronicaefolia, Chenopodium album, Korean red ginseng, Elephantopus scaber, Tecomella undulata, Prunus armeniaca, Sea tangle (Laminaria japonica), Emblica officinalis, Saccharum officinarum, Cocculus hirsutus, Cassia roxburghii, Zhi-Zi-Da-Huang, Phyllanthus amarus, Aegle marmelos, Agrimonia eupatoria, Flaveria trinervia, Curcuma longa and Garcinia indica...
March 30, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29599482/the-notch-inhibitor-cowanin-accelerates-nicastrin-degradation
#6
Midori A Arai, Ryuta Akamine, Anna Tsuchiya, Tatsuro Yoneyama, Takashi Koyano, Thaworn Kowithayakorn, Masami Ishibashi
Aberrant activation of Notch signaling contributes to the pathogenesis of several different types of cancer, and Notch pathway inhibitors may have significant therapeutic potential. Using a unique cell-based assay system, we isolated twelve compounds, including one new natural product from Garcinia speciosa, that inhibit the Notch signaling pathway. HES1 and HES5 are target genes of the Notch cascade, and compound 2, referred to as cowanin, decreased the protein levels of HES1 and HES5 in assay cells. Furthermore, cowanin (2) showed potent cytotoxicity against human leukemic HPB-ALL cells...
March 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29565129/bioassay-and-chemistry-guided-isolation-of-scalemic-caged-prenylxanthones-from-the-leaves-of-garcinia-bracteata
#7
Sheng-Li Niu, Da-Hong Li, Xin-Yu Li, Yue-Tong Wang, Sheng-Ge Li, Jiao Bai, Yue-Hu Pei, Yong-Kui Jing, Zhan-Lin Li, Hui-Ming Hua
With bioassay- and chemistry-guided fractionation, seven new caged prenylxanthones including two scalemic mixtures, epiisobractatin (1), 13-hydroxyisobractatin (2), 13-hydroxyepiisobractatin (3), 8-methoxy-8,8a-dihydrobractatin (4), 8-ethoxy-8,8a-dihydrobractatin (5), garcibracteatone (6), and 8-methoxy-8,8a-dihydroneobractiatin (7), and the eight known compounds 8-15 were isolated from the leaves of Garcinia bracteata. The structures were unambiguously elucidated through analysis of spectroscopic data. The 2D structures and relative configurations of 1 and 5 were confirmed by X-ray crystallographic analysis...
March 22, 2018: Journal of Natural Products
https://www.readbyqxmd.com/read/29550670/biofabrication-of-silver-nanoparticles-and-their-combined-effect-with-low-intensity-ultrasound-for-treatment-of-lung-cancer
#8
Xiaohong Zhang, Can Xiao
Ablation treatments are the minimally invasive surgical procedures that are used to treat early stage cancers. High intensity ultrasonic treatments that are used to treat solid cancers are not much successful in differentiating between healthy and cancerous cells. In this study, a method of combining ultrasound treatment with Garcinia mangostana bark extract mediated silver nanoparticles (AgNPs) was extended by making use of human lung epithelial cells, that could preferentially destruct the cancerous cells...
March 6, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29533216/experimental-and-computational-modeling-of-interaction-of-kolaviron-kolaflavanone-with-aldehyde-dehydrogenase
#9
Adejoke N Kolawole, Valentine T Akinladejo, Olusola O Elekofehinti, Afolabi C Akinmoladun, Ayodele O Kolawole
Aldehyde dehydrogenases (ALDHs) are a diverse family of enzymes that catalyze the NAD(P)+ -dependent detoxification of toxic aldehyde compounds. ALDHs are also involved in non-enzymatic ligand binding to endobiotics and xenobiotics. Here, the enzyme crucial non-canonical and non-catalytic interaction with kolaflavanone, a component of kolaviron, and a major bioflavonoid isolated from Garcinia kola (Bitter kola) was characterized by various spectroscopic and in silico approaches under stimulated physiological condition...
February 27, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29521146/desalted-salicornia-europaea-powder-and-its-active-constituent-trans-ferulic-acid-exert-anti-obesity-effects-by-suppressing-adipogenic-related-factors
#10
Md Mahbubur Rahman, Myung-Jin Kim, Jin-Hyoung Kim, Sok-Ho Kim, Hyeon-Kyu Go, Mee-Hyang Kweon, Do-Hyung Kim
CONTEXT: Salicornia europaea (Amaranthaceae) (SE) has been shown to reduce obesity, but it remains a problem as a food supplement because of its high salt content (25-35% NaCl). OBJECTIVES: This study investigated the anti-obesity effects and mechanism of action of desalted SE powder (DSP). MATERIALS AND METHODS: Sprague-Dawley rats (n = 50) were divided into a normal control group (NC), a high-fat diet (HFD)-induced obesity control group (HFD), and HFD groups co-administered DSP (250 and 500 mg/kg) or Garcinia cambogia (Clusiaceae) extract (GE, 200 mg/kg, standard control) orally each day for 12 weeks...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29513040/mangostanaxanthone-viii-a-new-xanthone-from-garcinia-mangostana-and-its-cytotoxic-activity
#11
Sabrin R M Ibrahim, Hossam M Abdallah, Ali M El-Halawany, Alaa M Nafady, Gamal A Mohamed
A new prenylated xanthone, mangostanaxanthone VIII (7) and six known metabolites: gartanin (1), 1,3,8-trihydroxy-2-(3-methyl-2-butenyl)-4-(3-hydroxy-3-methylbutanoyl)-xanthone (2), rubraxanthone (3), 1,3,6,7-tetrahydroxy-8-prenylxanthone (4), garcinone C (5), and xanthone I (9-hydroxycalabaxanthone) (6) were separated from the EtOAc-soluble fraction of the air-dried pericarps of Garcinia mangostana (Clusiaceae). Their structures have been verified on the basis of spectroscopic data analysis as well as comparison with the literature...
March 7, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29512772/protective-effect-of-%C3%AE-mangostin-against-cocl2-induced-apoptosis-by-suppressing-oxidative-stress-in-h9c2-rat-cardiomyoblasts
#12
Zhao Fang, Wanjun Luo, Yanli Luo
Garcinia mangostana (a fruit) has been commonly used as a traditional drug in the treatment of various types of diseases. The aim of the present study was to evaluate the potential protective effect of α‑mangostin (α‑MG), a primary constituent extracted from the hull of the G. mangostana fruit (mangosteen), against CoCl2‑induced apoptotic damage in H9C2 rat cardiomyoblasts. α‑MG was demonstrated to significantly improve the viability of the CoCl2‑treated cells by up to 79.6%, attenuating CoCl2‑induced damage...
March 6, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29485630/differential-kolaviron-attenuated-contractile-responses-to-agonists-on-isolated-rabbit-aorta-in-na-k-pump-blockade
#13
O K Uche, J O Ofeimun
The mechanism of kolaviron-induced vascular smooth muscles (VSMs) responses has not been fullycharacterised. The present study investigated the effect and mode of action of kolaviron a biflavanoid-complex and majorcomponent of Garcinia Kola-fraction on differential contractile responses to agonists-[phenylephrine (PHE) and histamine(HIST)] on VSMs of rabbit isolated aortic rings in K+-free physiological salt solution (KFPSS). Cumulative concentrationresponses to PHE and HIST were examined on 2 mm ring segments of the thoracic aortae which were suspended in 20 mlorgan baths containing physiological salt solution (PSS) for measurement of isometric contractions, at 370C and pH 7...
December 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29484428/euphorbia-supina-extract-results-in-inhibition-of-high%C3%A2-fat%C3%A2-diet%C3%A2-induced-obesity-in-mice
#14
Sarmila Nepali, Do-Kuk Kim, Hoon-Yeon Lee, Hyeon-Hui Ki, Bo-Ram Kim, Sung-Woo Hwang, Min Park, Dae-Ki Kim, Young-Mi Lee
The present study was undertaken to investigate the anti‑obesity effect of a 50% ethanol extract of Euphorbia supina (ESEE) in high‑fat‑diet (HFD)‑induced obese C57BL/6J mice. Mice were fed a HFD with or without ESEE (2, 10, or 50 mg/kg) or with Garcinia cambogia (positive control) for 6 weeks. ESEE supplementation significantly reduced body, epididymal white adipose tissue (eWAT), and organ weights (P<0.05). ESEE also reduced hepatic steatosis and improved serum lipid profiles. In addition, ESEE significantly reduced serum leptin levels and increased adiponectin levels, and significantly downregulated the mRNA and protein levels of proliferator‑activated receptor γ (PPARγ) and CCAAT/enhancer‑binding protein alpha (C/EPBα) in eWAT and liver tissues (all P<0...
February 16, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29482730/garcinia-kola-seed-biflavonoid-fraction-kolaviron-increases-longevity-and-attenuates-rotenone-induced-toxicity-in-drosophila-melanogaster
#15
Ebenezer Olatunde Farombi, Amos Olalekan Abolaji, Temitope Hannah Farombi, Abiola Surajudeen Oropo, Omowunmi Abigail Owoje, Mathew Terwase Awunah
Rotenone, a naturally occurring and commonly used pesticide, has been established as a model for inducing Parkinson's Disease (PD) in rodents. Kolaviron is a biflavonoid complex from Garcinia kola seeds with anti-oxidative and anti-inflammatory properties. Here, we evaluated the ameliorative role of Kolaviron on rotenone-induced toxicity in Drosophila melanogaster. Flies for longevity study were exposed to Kolaviron (100-500mg/kg diet) throughout the lifespan. For biochemical study, Groups A, B and C flies were treated with ethanol (2...
February 2018: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/29474978/chiral-resolution-and-anticancer-effect-of-xanthones-from-garcinia-paucinervis
#16
Cui-Cui Jia, Jing-Jing Xue, Chi Gong, Xin-Yu Li, Da-Hong Li, Zhan-Lin Li, Hui-Ming Hua
Bioassay-guided fractionation of the dichloromethane-soluble portion of the stems of Garcinia paucinervis led to the isolation of eight new xanthones, including three pairs of enantiomers, (+) and (-) paucinervins L-N (1a-3a, and 1b-3b), one optically pure compound, (-) paucinervin O (4), and one new analogue, paucinervin P (5), as well as thirteen known xanthones (6-18). Their structures were established by detailed analysis of extensive spectroscopic data. The absolute configurations of 1-4 were confirmed by ECD calculations...
February 20, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29468886/protective-effect-of-kolaviron-on-cyclophosphamide-induced-cardiac-toxicity-in-rats
#17
Joseph Gbenga Omole, Oladele Abiodun Ayoka, Quadri Kunle Alabi, Modinat Adebukola Adefisayo, Muritala Abiola Asafa, Babalola Olusegun Olubunmi, Benson Akinloye Fadeyi
BACKGROUND: Cyclophosphamide (CP) is a nitrogen mustard alkylating drug used for the treatment of chronic and acute malignant lymphomas, myeloma, leukemia, neuroblastoma, adenocarcinoma, retinoblastoma, breast carcinoma, and immunosuppressive therapy. Despite its vast therapeutic uses, it is known to cause severe cardiac toxicity. Kolaviron (KV), a Garcinia kola seed extract containing a mixture of flavonoids, is reputed for its antioxidant and membrane stabilizing properties. OBJECTIVE: This study investigated the protective effect of KV on CP-induced cardiotoxicity in rats...
January 2018: J Evid Based Integr Med
https://www.readbyqxmd.com/read/29458160/gambogic-acid-sensitizes-breast-cancer-cells-to-trail-induced-apoptosis-by-promoting-the-crosstalk-of-extrinsic-and-intrinsic-apoptotic-signalings
#18
Shengpeng Wang, Yingqi Xu, Chenyang Li, Hongxun Tao, Anqi Wang, Chenyu Sun, Zhangfeng Zhong, Xu Wu, Peng Li, Yitao Wang
Due to the ability of tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) to induce cancer cell apoptosis selectively, TRAIL has attracted significant interest in the treatment of cancer. However, although TRAIL triggers apoptosis in a broad range of cancer cells, most primary cancers are often intrinsically TRAIL-resistant, or acquire resistance after TRAIL treatment, evocating new strategies to overcome TRAIL resistance. Gambogic acid (GA), an active constituent of Garcinia Hanburyi (Teng Huang in Chinese), has been applied for thousands of years for medicinal uses, however, the potential effect of GA in combating cancer resistance remains poorly investigated...
February 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29446826/1-3-6-7-tetrahydroxy-8-prenylxanthone-ameliorates-inflammatory-responses-resulted-in-by-the-paracrine-interaction-of-adipocytes-and-macrophages
#19
Dan Li, Qianyu Liu, Wen Sun, Xiuping Chen, Ying Wang, Yuxiang Sun, Ligen Lin
BACKGROUND AND PURPOSE: Chronic inflammation in adipose tissue is critical in the onset and development of insulin resistance and type 2 diabetes. Macrophage infiltration into adipose tissue and pro-inflammatory polarization play key roles in adipose tissue inflammation. The fruit hull of mangosteen (Garcinia mangostana) has been used in traditional medicine for treatment of various inflammatory diseases. However, its role in regulating adipose tissue inflammation is unexplored. This study was designed to identify xanthones from G...
February 15, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29443598/evaluation-of-natural-product-compositions-for-appetite-suppression
#20
Mesfin Yimam, Ping Jiao, Mei Hong, Lidia Brownell, Young-Chul Lee, Eu-Jin Hyun, Hyun-Jin Kim, Tae-Woo Kim, Jeong-Bum Nam, Mi-Ran Kim, Qi Jia
A change in homeostasis between food intake and energy expenditure is the hallmark of obesity. Many plant-based weight-management products are available in dietary supplement markets with no direct efficacy comparison. In this in vivo acute feed intake study in rats, the appetite suppression efficacy of well-known natural ingredients in the weight-loss market were evaluated. We tested pure caffeine, potato skin extract, Cissus quadrangularis extract, Garcinia cambogia extract, Crocus sativus extract, raspberry ketone isolated from Rubus idaeus, one commercial product (Appetrex), and one novel composition (UP601)...
February 14, 2018: Journal of Dietary Supplements
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