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https://www.readbyqxmd.com/read/28446157/natural-products-isolated-from-tetragonula-carbonaria-cerumen-modulate-free-radical-scavenging-and-5-lipoxygenase-activities-in-vitro
#1
Karina D Hamilton, Peter R Brooks, Steven M Ogbourne, Fraser D Russell
BACKGROUND: Propolis and cerumen are plant-derived products found in honeybees and stingless bees, respectively. Although propolis is an ancient folk medicine, the bioactivities of cerumen obtained from Australian native stingless bees (Tetragonula carbonaria) have not been widely studied. Therefore, we investigated selected anti-oxidant and anti-inflammatory properties of T. carbonaria cerumen. METHODS: A methanolic extract was prepared from the combined cerumen of 40 T...
April 26, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28442678/frondoside-a-from-sea-cucumber-and-nymphaeols-from-okinawa-propolis-natural-anti-cancer-agents-that-selectively-inhibit-pak1-in-vitro
#2
Binh Cao Quan Nguyen, Kazuki Yoshimura, Shigenori Kumazawa, Shinkichi Tawata, Hiroshi Maruta
A sulfated saponin called "Frondoside A" (FRA) from sea cucumber and ingredients from Okinawa propolis (OP) have been previously shown to suppress the PAK1-dependent growth of A549 lung cancer as well as pancreatic cancer cells. However, the precise molecular mechanism underlying their anti-cancer action still remains to be clarified. In this study, for the first time, we found that both FRA and OP directly inhibit PAK1 in vitro in a selective manner (far more effectively than two other oncogenic kinases, LIMK and AKT)...
April 24, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28442677/1-2-3-triazolyl-esterization-of-pak1-blocking-propolis-ingredients-artepillin-c-arc-and-caffeic-acid-ca-for-boosting-their-anti-cancer-anti-pak1-activities-along-with-cell-permeability
#3
Hideaki Takahashi, Binh Cao Quan Nguyen, Yoshihiro Uto, Md Shahinozzaman, Shinkichi Tawata, Hiroshi Maruta
Artepillin C (ARC) and caffeic acid (CA) are among the major anti-cancer ingredients of propolis, and block the oncogenic/melanogenic/ageing kinase PAK1. However, mainly due to their COOH moiety, cell-permeability of these herbal compounds is rather limited. Thus, in this study, in an attempt to increase their cell-permeability without any significant loss of their water-solubility, we have esterized both ARC and CA with the water-soluble 1,2,3-triazolyl alcohol through Click Chemistry. We found that this esterization boosts the anti-cancer activity of ARC and CA by 100 and over 400 folds, respectively, against the PAK-dependent growth of A549 lung cells, but show no effect on the PAK1-independent growth of B16F10 melanoma cells...
April 24, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28442108/effect-of-egyptian-propolis-on-cryptosporidiosis-in-immunosuppressed-rats-with-special-emphasis-on-oocysts-shedding-leukogram-protein-profile-and-ileum-histopathology
#4
Hamdy Soufy, Nadia M El-Beih, Soad M Nasr, Tamer H Abd El-Aziz, Fathia A M Khalil, Youssef F Ahmed, Hala A A Abou Zeina
OBJECTIVES: To investigate the activity of Egyptian propolis extracts (ethanol and water) on cryptosporidiosis in experimentally infected dexamethasone-immunosuppressed rats. METHODS: A total of 180 male rats (190-220) g BWt were randomly divided into 9 equal groups (G1-G9). Groups of rats were kept as (G1): normal control, (G2-G9): immunosuppressed with dexamethasone and (G3-G9): infected with Cryptosporidium oocysts. Rats from (G4-G9) were given orally ethanol and water extract of propolis (at a dose of 50 mg/kg BWt) and nitazoxanide (standard anti-cryptosporidial drug at a dose of 100 mg/kg BWt) to infected rats with different regimes...
March 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28437890/does-propolis-have-any-effect-on-non-alcoholic-fatty-liver-disease
#5
Kemal Kismet, Cigdem Ozcan, Serdar Kuru, Omur Gencay Celemli, Pinar Celepli, Mehmet Senes, Tuncay Guclu, Kadriye Sorkun, Sema Hucumenoglu, Tanju Besler
The aim of this study was to evaluate the therapeutic effect of propolis on non-alcoholic fatty liver disease (NAFLD) in rats. The rats were randomly divided into 3 groups of 10 as the NAFLD, NAFLD+100 and NAFLD+200 groups. The rats were fed with a fatty diet (25g/kg/day) to provoke NAFLD. Then after the formation of fatty liver, a standard diet (SD) (25g/kg/day) was given to the NAFLD group and the other two groups were fed with SD and 100mg/kg (NAFLD+100 Group) or 200mg/kg propolis (NAFLD+200 Group) for two weeks...
April 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28435369/in-vitro-comparative-evaluation-of-different-storage-media-hank-s-balanced-salt-solution-propolis-aloe-vera-and-pomegranate-juice-for-preservation-of-avulsed-tooth
#6
Prashant Babaji, Mahesh Melkundi, Raghu Devanna, B S Suresh, Vishwajit Rampratap Chaurasia, P V Gopinath
OBJECTIVES: Prognosis of the avulsed teeth is mostly affected by extraoral dry period and storage medium used to store teeth before reimplantation. However, ability of storage media can affect cell viability and success of treatment. Various storage media were tried with some success. The present study was undertaken to comparatively evaluate the efficacy of hank's balanced salt solution (HBSS), propolis, Aloe vera, and pomegranate juice (PJ) in preserving the vitality of periodontal ligament (PDL) cells of avulsed teeth...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28426772/correction-chitosan-propolis-nanoparticle-formulation-demonstrates-anti-bacterial-activity-against-enterococcus-faecalis-biofilms
#7
Teik Hwa Ong, Ebenezer Chitra, Srinivasan Ramamurthy, Rajinikanth Paruvathanahalli Siddalingam, Kah Hay Yuen, Stephen Periathamby Ambu, Fabian Davamani
[This corrects the article DOI: 10.1371/journal.pone.0174888.].
2017: PloS One
https://www.readbyqxmd.com/read/28424496/the-chemical-characterization-of-nigerian-propolis-samples-and-their-activity-against-trypanosoma-brucei
#8
Ruwida Omar, John O Igoli, Tong Zhang, Alexander I Gray, Godwin U Ebiloma, Carol J Clements, James Fearnley, RuAngeli Edrada Ebel, Tim Paget, Harry P de Koning, David G Watson
Profiling of extracts from twelve propolis samples collected from eight regions in Nigeria was carried out using high performance liquid chromatography (LC) coupled with evaporative light scattering (ELSD), ultraviolet detection (UV) and mass spectrometry (MS), gas chromatography mass spectrometry (GC-MS) and nuclear magnetic resonance spectroscopy (NMR). Principal component analysis (PCA) of the processed LC-MS data demonstrated the varying chemical composition of the samples. Most of the samples were active against Trypanosoma b...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28411017/biological-properties-of-propolis-extracts-something-new-from-an-ancient-product
#9
REVIEW
Nada Zabaiou, Allan Fouache, Amalia Trousson, Silvère Baron, Amar Zellagui, Mesbah Lahouel, Jean-Marc A Lobaccaro
Natural products are an interesting source of new therapeutics, especially for cancer therapy as 70% of them have botany origin. Propolis, a resinous mixture that honey bees collect and transform from tree buds, sap flows, or other botanical sources, has been used by ethnobotany and traditional practitioners as early in Egypt as 3000 BC. Enriched in flavonoids, phenol acids and terpene derivatives, propolis has been widely used for its antibacterial, antifungal and anti-inflammatory properties. Even though it is a challenge to standardize propolis composition, chemical analyses have pointed out interesting molecules that also present anti-oxidant and anti-proliferative properties that are of interest in the field of anti-cancer therapy...
April 11, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28396692/efficacy-of-propolis-on-the-denture-stomatitis-treatment-in-older-adults-a-multicentric-randomized-trial
#10
Gisela de M S Pina, Erica N Lia, Andresa A Berretta, Andresa P Nascimento, Elina C Torres, Andrei F M Buszinski, Tatiana A de Campos, Eduardo B Coelho, Vicente de P Martins
Our hypothesis tested the efficacy and safety of a mucoadhesive oral gel formulation of Brazilian propolis extract compared to miconazole oral gel for the treatment of denture stomatitis due to Candida spp. infection in older adults. Forty patients were randomly allocated in a noninferiority clinical trial into two groups. The control group (MIC) received 20 mg/g miconazole oral gel and the study group (PROP) received mucoadhesive formulation containing standardized extract of 2% (20 mg/g) propolis (EPP-AF®) during 14 days...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28381793/brazilian-green-propolis-promotes-weight-loss-and-reduces-fat-accumulation-in-c57bl-6-mice-fed-a-high-fat-diet
#11
Tohru Sakai, Miyuki Ohhata, Misaki Fujii, Sayaka Oda, Yasuna Kusaka, Miki Matsumoto, Akiko Nakamoto, Tomoyo Taki, Mariko Nakamoto, Emi Shuto
Propolis is a bee product with various biological properties. C57BL/6 mice were fed a high-fat diet and treated with propolis for 14 weeks. Body weight in mice treated with 2% propolis was less than that in control mice from 3 weeks after the start of treatment until 14 weeks except for the 7th week. Mice treated with propolis showed significantly lower epididymal fat weight and subcutaneous fat weight. Infiltration of epididymal fat by macrophages and T cells was reduced in the propolis group. Supplementation of propolis increased feces weight and fat content in feces, suggesting that mechanisms of weight reduction by propolis partly include a laxative effect and inhibition of fat absorption...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28377794/antioxidant-cytotoxic-and-toxic-activities-of-propolis-from-two-native-bees-in-brazil-scaptotrigona-depilis-and-melipona-quadrifasciata-anthidioides
#12
Thaliny Bonamigo, Jaqueline Ferreira Campos, Tamaeh Monteiro Alfredo, José Benedito Perrella Balestieri, Claudia Andrea Lima Cardoso, Edgar Julian Paredes-Gamero, Kely de Picoli Souza, Edson Lucas Dos Santos
Propolis is a natural mixture of compounds produced by various bee species, including stingless bees. This compound has been shown to exhibit antioxidant, antiproliferative, and antitumor activities. The present study aimed to determine the chemical constituents as well as the antioxidant, cytotoxic, and toxic activities of ethanol extracts of propolis obtained from the stingless bees Scaptotrigona depilis and Melipona quadrifasciata anthidioides, which are found in Brazil. Phytosterols, terpenes, phenolic compounds, and tocopherol were identified in the ethanol extracts of propolis (EEPs) in different concentrations...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28377649/comparative-evaluation-of-clinical-and-radiographic-success-of-formocresol-propolis-turmeric-gel-and-calcium-hydroxide-on-pulpotomized-primary-molars-a-preliminary-study
#13
Shivayogi M Hugar, Pratibha Kukreja, Shweta S Hugar, Niraj Gokhale, Harsha Assudani
AIMS: Despite various advents in technology, the present era marks a shift to phytotherapeutics and alternative modalities to conventional endodontic treatments. Newer endodontic modalities have been developed inculcating the ancient system of medicine. The present study was done to compare and evaluate the clinical pulp response and radiographic signs after pulpotomy in four groups of primary molar teeth treated with formocresol (control), propolis extract, turmeric gel, and calcium hydroxide respectively...
January 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28364187/chrysin-attenuates-il-1%C3%AE-induced-expression-of-inflammatory-mediators-by-suppressing-nf-%C3%AE%C2%BAb-in-human-osteoarthritis-chondrocytes
#14
Wenhao Zheng, Zhenyu Tao, Leyi Cai, Chunhui Chen, Chuanxu Zhang, Quan Wang, Xiaozhou Ying, Wei Hu, Hua Chen
Osteoarthritis (OA) is a degenerative joint disease characterized by cartilage degradation and inflammation. Chrysin, a natural flavonoid extracted from honey and propolis, has been reported to have anti-inflammatory effects. However, the anti-inflammatory effects of chrysin on OA have not been reported. This study aimed to assess the effects of chrysin on human OA chondrocytes. Human OA chondrocytes were pretreated with chrysin (1, 5, 10 μM) for 2 h and subsequently stimulated with IL-1β for 24 h. Production of NO, PGE2, MMP-1, MMP-3, MMP-13, ADAMTS-4, and ADAMTS-5 was evaluated by the Griess reaction and ELISAs...
March 31, 2017: Inflammation
https://www.readbyqxmd.com/read/28363435/caffeic-acid-phenethyl-ester-protects-against-glucocorticoid-induced-osteoporosis-in-vivo-impact-on-oxidative-stress-and-rankl-opg-signals
#15
Mai F Tolba, Ahmed T El-Serafi, Hany A Omar
Glucocorticoid-induced osteoporosis (GIO) is one of the most common causes of secondary osteoporosis. Given that glucocorticoids are considered as a main component of the treatment protocols for a variety of inflammation and immune-mediated diseases besides its use as adjuvant to several chemotherapeutic agents, it is crucial to find ways to overcome this critical adverse effect. Caffeic acid phenethyl ester (CAPE), which is a natural compound derived from honeybee propolis displayed promising antiosteoporotic effects against mechanical bone injury in various studies...
June 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28362981/effect-of-propolis-ethanol-extract-on-myostatin-gene-expression-and-muscle-morphometry-of-nile-tilapia-in-net-cages
#16
E L Buck, I Y Mizubuti, A A Alfieri, R A A Otonel, L Y Buck, F P Souza, O P Prado-Calixto, A R Poveda-Parra, L Alexandre Filho, N M Lopera-Barrero
Propolis can be used as growth enhancer due to its antimicrobial, antioxidant, and immune-stimulant properties, but its effects on morphometry and muscle gene expression are largely unknown. The present study evaluates the influence of propolis on muscle morphometry and myostatin gene expression in Nile tilapia (Oreochromis niloticus) bred in net cages. Reversed males (GIFT strain) with an initial weight of 170 ± 25 g were distributed in a (2 x 4) factorial scheme, with two diets (DPRO, commercial diet with 4% propolis ethanol extract and DCON, commercial diet without propolis, control) and four assessment periods (0, 35, 70, and 105 experimental days)...
March 16, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28362873/chitosan-propolis-nanoparticle-formulation-demonstrates-anti-bacterial-activity-against-enterococcus-faecalis-biofilms
#17
Teik Hwa Ong, Ebenezer Chitra, Srinivasan Ramamurthy, Rajinikanth Paruvathanahalli Siddalingam, Kah Hay Yuen, Stephen Periathamby Ambu, Fabian Davamani
Propolis obtained from bee hives is a natural substance with antimicrobial properties. It is limited by its insolubility in aqueous solutions; hence ethanol and ethyl acetate extracts of Malaysian propolis were prepared. Both the extracts displayed antimicrobial and anti-biofilm properties against Enterococcus faecalis, a common bacterium associated with hospital-acquired infections. High performance liquid chromatography (HPLC) analysis of propolis revealed the presence of flavonoids like kaempferol and pinocembrin...
2017: PloS One
https://www.readbyqxmd.com/read/28362110/diet-effects-in-the-asthma-treatment-a-systematic-review
#18
Gabriele Carra Forte, Daniela Rischter da Silva, Maria Luiza Hennemann, Roberta Sarmento, Jussara Carnevale Almeida, Paulo de Tarso Roth Dalcin
INTRODUCTION: Obesity in asthmatic patients has important relationships with asthma control, pulmonary function, and quality of life. The objective of this study was to conduct a systematic review of the literature on the effect of diet on asthma management in adults. METHODS: We searched PubMed, Embase, and Scopus (January 1948-October 2014) for randomized clinical trials that evaluated the effects of diet in adults with asthma. RESULTS: Of 12,215 studies identified, 21 were included...
March 31, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28359875/seasonal-variation-of-brazilian-red-propolis-antibacterial-activity-synergistic-effect-and-phytochemical-screening
#19
Marcos da Silveira Regueira Neto, Saulo Relison Tintino, Ana Raquel Pereira da Silva, Maria do Socorro Costa, Aline Augusti Boligon, Edinardo F F Matias, Valdir de Queiroz Balbino, Irwin R A Menezes, Henrique Douglas Melo Coutinho
The aim of this study was to investigate the effect of the dry and rainy season on the antibacterial activity and chemical composition of the Brazilian red propolis. The samples were collected in rainy (RP-PER) and dry (RP-PED) seasons and analyzed by HPLC-DAD. The extracts were tested alone and in association with antibiotics against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus. The HPLC analysis identified luteolin and quercetin as the main compounds. Seasonal variation was observed according to concentrations of the compounds...
March 27, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28358806/antioxidant-antimicrobial-antiparasitic-and-cytotoxic-properties-of-various-brazilian-propolis-extracts
#20
Rejane Pina Dantas Silva, Bruna Aparecida Souza Machado, Gabriele de Abreu Barreto, Samantha Serra Costa, Luciana Nalone Andrade, Ricardo Guimarães Amaral, Adriana Andrade Carvalho, Francine Ferreira Padilha, Josiane Dantas Viana Barbosa, Marcelo Andres Umsza-Guez
Propolis is known for its biological properties and its preparations have been continuously investigated in an attempt to solve the problem of their standardization, an issue that limits the use of propolis in food and pharmaceutical industries. The aim of this study was to evaluate in vitro antioxidant, antimicrobial, antiparasitic, and cytotoxic effects of extracts of red, green, and brown propolis from different regions of Brazil, obtained by ethanolic and supercritical extraction methods. We found that propolis extracts obtained by both these methods showed concentration-dependent antioxidant activity...
2017: PloS One
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