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https://www.readbyqxmd.com/read/28805735/dietary-propolis-ameliorates-dextran-sulfate-sodium-induced-colitis-and-modulates-the-gut-microbiota-in-rats-fed-a-western-diet
#1
Kai Wang, Xiaolu Jin, Mengmeng You, Wenli Tian, Richard K Le Leu, David L Topping, Michael A Conlon, Liming Wu, Fuliang Hu
Propolis is an important hive product and considered beneficial to health. However, evidence of its potential for improving gut health is still lacking. Here we use rats to examine whether dietary supplementation with propolis could be used as a therapy for ulcerative colitis. Rats were fed with a Western style diet alone (controls) or supplemented with different amounts of Chinese propolis (0.1%, 0.2%, and 0.3%) to examine effects on acute colitis induced by 3% dextran sulphate sodium (DSS) in drinking water...
August 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28805634/honey-bee-gut-dysbiosis-a-novel-context-of-disease-ecology
#2
REVIEW
Kirk E Anderson, Vincent A Ricigliano
The honey bee microbiota has become a hot-spot of recent research. Highly co-evolved with its host, the hindgut microbiota of a worker honey bee consists of six bacterial species shown to occur reliably in particular proportions. Altered microbiota structure is associated with host deficiencies, and a variety of bacteria found throughout the hive environment can dominate the worker gut suppressing or displacing microbiota function. The synthesis presented here suggests environmental insults alter gut bacterial balance, leading to decreased host function and disease progression...
August 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28803879/pathway-profiles-based-on-gene-set-enrichment-analysis-in-the-honey-bee-apis-mellifera-under-brood-rearing-suppressed-conditions
#3
Kyungmun Kim, Ju Hyeon Kim, Young Ho Kim, Seong-Eui Hong, Si Hyeock Lee
Perturbation of normal behaviors in honey bee colonies by any external factor can immediately reduce the colony's capacity for brood rearing, which can eventually lead to colony collapse. To investigate the effects of brood-rearing suppression on the biology of honey bee workers, gene-set enrichment analysis of the transcriptomes of worker bees with or without suppressed brood rearing was performed. When brood rearing was suppressed, pathways associated with both protein degradation and synthesis were simultaneously over-represented in both nurses and foragers, and their overall pathway representation profiles resembled those of normal foragers and nurses, respectively...
August 10, 2017: Genomics
https://www.readbyqxmd.com/read/28803183/chronic-urticaria-patient-perspective-cupp-the-first-validated-tool-for-assessing-quality-of-life-in-clinical-practice
#4
Ilaria Baiardini, Fulvio Braido, Giorgia Molinengo, Marco Caminati, MariaTeresa Costantino, Antonio Cristaudo, Mariangiola Crivellaro, Silvia Mariel Ferrucci, Rosella Gallo, Veronica Giorgis, Agostina Legori, Barbara Loera, Irene Martignago, Angelo Valerio Marzano, Aldo Morrone, Roberta Parente, Aurora Parodi, Anna Parolo, Silvia Peveri, Paolo Pigatto, Anna Radice, Erminia Ridolo, Giovanni Rolla, Chiara Roncallo, Oliviero Rossi, Eleonora Savi, Gianenrico Senna, Massimo Triggiani, Giorgio Walter Canonica
BACKGROUND: There is a need for validated tools to assess health-related quality of life (HRQoL) in routine clinical practice. OBJECTIVE: The aim of this study was to validate the Chronic Urticaria Patient Perspective (CUPP) for assessment of patients with chronic urticaria (CU) in clinical practice. METHODS: A provisional CUPP was developed from candidate items identified by following an iterative process in a retrospective analysis of 249 Chronic Urticaria Quality of Life Questionnaire questionnaires...
August 9, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28797906/amitraz-and-its-metabolite-modulate-honey-bee-cardiac-function-and-tolerance-to-viral-infection
#5
Scott T O'Neal, Carlyle C Brewster, Jeffrey R Bloomquist, Troy D Anderson
The health and survival of managed honey bee (Apis mellifera) colonies are affected by multiple factors, one of the most important being the interaction between viral pathogens and infestations of the ectoparasitic mite Varroa destructor. Currently, the only effective strategy available for mitigating the impact of viral infections is the chemical control of mite populations. Unfortunately, the use of in-hive acaricides comes at a price, as they can produce sublethal effects that are difficult to quantify, but may ultimately be as damaging as the mites they are used to treat...
August 7, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28797675/from-the-hive-honey-a-novel-weapon-against-cancer
#6
REVIEW
Mariateresa Badolato, Gabriele Carullo, Erika Cione, Francesca Aiello, Maria Cristina Caroleo
Nowadays there is a folk medicine branch called apitherapy that aims to treat diseases with bee products, including honey. Honey has long been known for its medicinal and health promoting properties. It encloses numerous types of phytochemicals with high phenolic and flavonoid content, which contribute to its antioxidant and anti-inflammatory activities. Varieties and variants of polyphenols in honey showed antiproliferative property against several types of cancer. This review focuses on the latest discoveries about the key role of honey in different stages of carcinogenesis, initiation, proliferation and progression, both in vitro and in vivo, as well as on its adjuvant effect in cancer therapy...
August 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28795524/resin-foraging-dynamics-in-varroa-destructor-infested-hives-a-case-of-medication-of-kin
#7
Michelina Pusceddu, Giannella Piluzza, Panagiotis Theodorou, Franco Buffa, Luca Ruiu, Simonetta Bullitta, Ignazio Floris, Alberto Satta
Social insects have evolved colony behavioral, physiological and organizational adaptations (social immunity) to reduce the risks of parasitization and/or disease transmission. The collection of resin from various plants and its use in the hive as propolis, is a clear example of behavioral defense. For Apis mellifera, an increased propolis content in the hive may correspond to variations in the microbial load of the colony and to a down-regulation of an individual bee's immune response. However, many aspects of such antimicrobial mechanism still need to be clarified...
August 10, 2017: Insect Science
https://www.readbyqxmd.com/read/28783129/effects-of-oxalic-acid-on-apis-mellifera-hymenoptera-apidae
#8
Eva Rademacher, Marika Harz, Saskia Schneider
Abstract: Oxalic acid dihydrate is used to treat varroosis of Apis mellifera. This study investigates lethal and sublethal effects of oxalic acid dihydrate on individually treated honeybees kept in cages under laboratory conditions as well as the distribution in the colony. After oral application, bee mortality occurred at relatively low concentrations (No Observed Adverse Effect Level (NOAEL) 50 µg/bee; Lowest Observed Adverse Effect Level (LOAEL) 75 µg/bee) compared to the dermal treatment (NOAEL 212.5 µg/bee; LOAEL 250 µg/bee)...
August 7, 2017: Insects
https://www.readbyqxmd.com/read/28757385/trueness-and-precision-of-the-real-time-rt-pcr-method-for-quantifying-the-chronic-bee-paralysis-virus-genome-in-bee-homogenates-evaluated-by-a-comparative-inter-laboratory-study
#9
Frank Schurr, Nicolas Cougoule, Marie-Pierre Rivière, Magali Ribière-Chabert, Hamid Achour, Dán Ádám, Carlos Castillo, Dirk C de Graaf, Eva Forsgren, Anna Granato, Sirpa Heinikainen, Júlia Jurovčíková, Per Kryger, Christine Manson, Marie-Françoise Ménard, Stéphane Perennes, Marc O Schäfer, Elena San Miguel Ibañez, João Silva, Ivana Tlak Gajger, Victoria Tomkies, Ivan Toplak, Alain Viry, Dagmara Zdańska, Eric Dubois
The Chronic bee paralysis virus (CBPV) is the aetiological agent of chronic bee paralysis, a contagious disease associated with nervous disorders in adult honeybees leading to massive mortalities in front of the hives. Some of the clinical signs frequently reported, such as trembling, may be confused with intoxication syndromes. Therefore, laboratory diagnosis using real-time PCR to quantify CBPV loads is used to confirm disease. Clinical signs of chronic paralysis are usually associated with viral loads higher than 10(8) copies of CBPV genome copies per bee (8 log10 CBPV/bee)...
July 27, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28754324/histopathological-and-clinical-evaluation-of-chronic-spontaneous-urticaria-patients-with-neutrophilic-and-non-neutrophilic-cutaneous-infiltrate
#10
Cíntia Freitas Martins, Karina Lopes Morais, Pamela Figueroa, Natasha Favoretto Dias, Neusa Sakai Valente, Celina Wakisaba Maruta, Paulo Ricardo Criado
BACKGROUND: Chronic urticaria has an expressive prevalence in general population, especially in adults, and is defined by the presence of intermittent hives for six weeks or longer. Our study aims to characterize the histological patterns of chronic spontaneous urticaria, based on the inflammatory cell infiltrate, and correlate them to laboratory exams. METHODS: It was performed a retrospective analysis of laboratory, histopathology and direct immunofluorescence data of 93 patients with chronic urticaria...
July 25, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28748336/continuous-release-of-oregano-oil-effectively-and-safely-controls-varroa-destructor-infestations-in-honey-bee-colonies-in-a-northern-climate
#11
Qodratollah Sabahi, Hanan Gashout, Paul G Kelly, Ernesto Guzman-Novoa
The ectoparasitic mite Varroa destructor is responsible for the death of millions of honey bee (Apis mellifera) colonies worldwide. Testing potential miticide compounds with different delivery methods that effectively control V. destructor and have low toxicity for honey bees is crucial to manage this parasite in hives. We determined the varroacide efficacy of three natural compounds delivered to hives with three application methods over a 4-week period. Oxalic acid in a sucrose solution was applied impregnated in cardboard (T1)...
July 26, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28746045/applicability-of-biotechnologically-produced-insect-silks
#12
Heike M Herold, Thomas Scheibel
Silks are structural proteins produced by arthropods. Besides the well-known cocoon silk, which is produced by larvae of the silk moth Bombyx mori to undergo metamorphosis inside their silken shelter (and which is also used for textile production by men since millennia), numerous further less known silk-producing animals exist. The ability to produce silk evolved multiple independent times during evolution, and the fact that silk was subject to convergent evolution gave rise to an abundant natural diversity of silk proteins...
July 26, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28740208/temporal-dynamics-of-whole-body-residues-of-the-neonicotinoid-insecticide-imidacloprid-in-live-or-dead-honeybees
#13
Matthias Schott, Gabriela Bischoff, Gerrit Eichner, Andreas Vilcinskas, Ralph Büchler, Marina Doris Meixner, Annely Brandt
In cases of acute intoxication, honeybees often lay in front of their hives for several days, exposed to sunlight and weather, before a beekeeper can take a sample. Beekeepers send samples to analytical laboratories, but sometimes no residues can be detected. Temperature and sun light could influence the decrease of pesticides in bee samples and thereby residues left for analysis. Moreover, samples are usually sent via normal postal services without cooling. We investigated the temporal dynamics of whole-body residues of imidacloprid in live or dead honeybees following a single-meal dietary exposure of 41 ng/bee under various environmental conditions, such as freezing, exposure to UV light or transfer of individuals through the mail system...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28737831/royal-jelly-lipophilic-fraction-induces-antiproliferative-effects-on-sh-sy5y-human-neuroblastoma-cells
#14
Angelo Gismondi, Eleonora Trionfera, Lorena Canuti, Gabriele Di Marco, Antonella Canini
Royal jelly (RJ) is one the most important bee product because it strongly influences the larval development in the hive, including the queen bee. In literature, RJ is known for its antioxidant, immunoregulatory, antifungal, antibiotical, erythropoietic, hypoglycemic, anticholesteremic, antithyroidic, anti-osteoporotic and estrogenic properties. However, it is surprising how rare the scientific evidence about RJ antineoplastic capacity are. That being said, we investigated, for the first time, the in vitro bioactivity of six different RJs on the growth of three different mammalian cell lines: immortalized murine myoblasts (C2C12), human prostate cancer (PC3) and human neuroblastoma (SH-SY5Y)...
July 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28717953/evaluation-of-the-efficacy-and-safety-of-flumethrin-275-mg-bee-hive-strips-polyvar-yellow-%C3%A2-against-varroa-destructor-in-naturally-infested-honey-bee-colonies-in-a-controlled-study
#15
Tjeerd Blacquière, Gertraut Altreuther, Klemens J Krieger
No abstract text is available yet for this article.
July 17, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28704754/metabolomics-study-of-cadmium-induced-diabetic-nephropathy-and-protective-effect-of-caffeic-acid-phenethyl-ester-using-uplc-q-tof-ms-combined-with-pattern-recognition
#16
Pin Gong, Xiangna Chang, Xuefeng Chen, Xiaohuan Bai, He Wen, Sihui Pi, Wenjuan Yang, Lan Wang, Fuxin Chen
Diabetic nephropathy (DN) is the most severe complication of diabetes and multiple factors are involved in the pathogenesis of DN. Among them, cadmium (Cd) acts as a risk factor inducing the occurrence of DN. The present study focused on investigating the protective role of caffeic acid phenethyl ester (CAPE), an active component of propolis from honeybee hives, against Cd-induced DN in mice based on ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS)and pattern recognition...
June 28, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28701646/an-adult-case-of-anaphylaxis-caused-by-allergy-to-jellyfish
#17
Shintaro Suzuki, Yoshito Miyata, Megumi Jinno, Yasunari Kishino, Tetsuya Homma, Shin Ota, Akihiko Tanaka, Takuya Yokoe, Tsukasa Ohnishi, Hironori Sagara, Naomi Kurata, Kuniyoshi Shimakura, Kouichi Kurose
A 35-year-old female, professional diver, reported nausea, vomiting, and systemic hives 20 to 30 minutes after ingestion of antipasto made with jellyfish. Patient reported prior episodes of swelling after stings from several different creatures, including jelly fish. She also developed a systemic allergic reaction after sting from an unknown creature while diving. On the initial visit to our hospital, serum total IgE level was 545IU/ml. We extracted crude allergen from jellyfish and evaluated allergen specific IgE antibody levels using ELISA...
2017: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/28679151/non-target-evaluation-of-contaminants-in-honey-bees-and-pollen-samples-by-gas-chromatography-time-of-flight-mass-spectrometry
#18
E Hakme, A Lozano, M M Gómez-Ramos, M D Hernando, A R Fernández-Alba
This work presents a non-targeted screening approach for the detection and quantitation of contaminants in bees and pollen, collected from the same hive, by GC-EI-ToF-MS. It consists of a spectral library datasets search using a compound database followed by a manual investigation and analytical standard confirmation together with semi-quantitation purposes. Over 20% of the compounds found automatically by the library search could not be confirmed manually. This number of false positive detections was mainly a consequence of an inadequate ion ratio criterion (±30%), not considered in the automatic searching procedure...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28679118/occurrence-of-pesticide-residues-in-spanish-beeswax
#19
Pau Calatayud-Vernich, Fernando Calatayud, Enrique Simó, Yolanda Picó
Beeswax from Spain was collected during 2016 to determine pesticide residues incidence. The 35 samples were divided in foundation, old combs, cappings or virgin beeswax to compare pesticide content between groups. Wax was screened for 58 pesticides or their degradation products by QuEChERS extraction and liquid chromatography mass spectrometry (LC-MS/MS). Beeswax was uniformly contaminated with acaricides and, to a much lesser extent, with insecticide and fungicide residues. Virgin followed by cappings were less contaminated than foundation and old combs beeswax...
July 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28678826/agonistic-interactions-between-the-honeybee-apis-mellifera-ligustica-and-the-european-wasp-vespula-germanica-reveal-context-dependent-defense-strategies
#20
Michelina Pusceddu, Ignazio Floris, Franco Buffa, Emanuele Salaris, Alberto Satta
Predator-prey relationships between sympatric species allow the evolution of defense behaviors, such as honeybee colonies defending their nests against predatory wasps. We investigated the predator-prey relationship between the honeybee (Apis mellifera ligustica) and the European wasp (Vespula germanica) by evaluating the effectiveness of attack and defense behaviors, which have coevolved in these sympatric species, as well as the actual damage and disturbance caused to the colonies under attack. Attack and defense behaviors were recorded in front of the hive to observe attacks at the hive entrance (68 attacks in 279 h) and at ground level on isolated and weakened honeybees close to the hive (465 attacks in 32 h)...
2017: PloS One
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