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https://www.readbyqxmd.com/read/28646805/natural-cancer-therapy-and-prevention-targeted-on-cancer-cells-and-cancer-stem-cells-based-on-the-cytochrome-p45o-enzyme-cyp1b1-a-commentary
#1
William R Ware
The importance of the P450 enzyme CYP1B1 in both cancer therapy and prevention are reviewed and evidence is discussed, which provides strong biological plausibility for the therapeutic merits of this approach. The significant resistance to chemotherapy among common cancers, and the realization that in many cases chemotherapy leaves behind drug-resistant cancer cells that eventually cause recurrence and metastatic disease, has recently prompted the search for natural compounds that would circumvent this problem...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646436/behavior-of-fluopyram-and-tebuconazole-and-some-selected-pesticides-in-ripe-apples-and-consumer-exposure-assessment-in-the-applied-crop-protection-framework
#2
Magdalena Podbielska, Ewa Szpyrka, Bartosz Piechowicz, Aneta Zwolak, Stanisław Sadło
The supervised field trials were conducted in a commercial apple orchard in 2016. The trials were an attempt to determine a model for dissipation and toxicological evaluation of fluopyram, tebuconazole, captan, tetrahydrophthalimide (THPI), pirimicarb, spirodiclofen, and boscalid residues detected in fruit of Red Jonaprince, Lobo, and Gala varieties immediately before harvest. The analysis also covered amounts of pesticides still present in remnants of calyx in Lobo and Gala varieties immediately before harvest...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28646365/post-diagnosis-serum-insulin-like-growth-factors-in-relation-to-dietary-and-lifestyle-changes-in-the-prostate-testing-for-cancer-and-treatment-protect-trial
#3
Vanessa Er, Kalina Biernacka, Andrew J Simpkin, Richard M Martin, Mona Jeffreys, Pauline Emmett, Rebecca Gilbert, Kerry N L Avery, Eleanor Walsh, Michael Davis, Jenny L Donovan, David E Neal, Freddie C Hamdy, Jeff M P Holly, J Athene Lane
PURPOSE: The insulin-like growth factor (IGF) system is modifiable by diet and lifestyle, and has been linked to prostate cancer development and progression. METHODS: We conducted a prospective cohort study of 621 men diagnosed with localized prostate cancer to investigate the associations of dietary and lifestyle changes with post-diagnosis circulating levels of IGF-I and IGFBP-3. We used analysis of covariance to estimate the associations, controlling for baseline IGF-I or IGFBP-3, respectively...
June 23, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28646036/feeding-on-ripening-and-over-ripening-fruit-interactions-between-sugar-ethanol-and-polyphenol-contents-in-a-tropical-butterfly
#4
Michaël Beaulieu, Kristin Franke, Klaus Fischer
In ripe fruit, energy mostly derives from sugar, while in over-ripe fruit, it also comes from ethanol. Such ripeness differences may alter the fitness benefits associated with frugivory if animals are unable to degrade ethanol when consuming over-ripe fruit. In the tropical butterfly Bicyclus anynana, we found that females consuming isocaloric solutions mimicking ripe (20% sucrose) and over-ripe fruit (10% sucrose, 7% ethanol) of the palm Astrocaryum standleyanum exhibited higher fecundity than females consuming a solution mimicking unripe fruit (10% sucrose)...
June 23, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28645846/heparan-sulfate-proteoglycans-in-drosophila-neuromuscular-development
#5
REVIEW
Keisuke Kamimura, Nobuaki Maeda
Heparan sulfate proteoglycans (HSPGs) are glycoconjugates bearing heparan sulfate (HS) chains covalently attached to core proteins, which are ubiquitously distributed on the cell surface and in the extracellular matrix. HSPGs interact with a number of molecules mainly through HS chains, which play critical roles in diverse physiological and disease processes. Among these, recent vertebrate studies showed that HSPGs are closely involved in synapse development and function. However, the detailed molecular mechanisms remain elusive...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645777/increased-food-intake-after-starvation-enhances-sleep-in-drosophila-melanogaster
#6
Josue M Regalado, McKenna B Cortez, Jeremy Grubbs, Jared A Link, Alexander van der Linden, Yong Zhang
Feeding and sleep are highly conserved, interconnected behaviors essential for survival. Starvation has been shown to potently suppress sleep across species; however, whether satiety promotes sleep is still unclear. Here we use the fruit fly, Drosophila melanogaster, as a model organism to address the interaction between feeding and sleep. We first monitored the sleep of flies that had been starved for 24 h and found that sleep amount increased in the first 4 h after flies were given food. Increased sleep after starvation was due to an increase in sleep bout number and average sleep bout length...
June 13, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28645773/abc-protein-cgabcf2-is-required-for-asexual-and-sexual-development-appressorial-formation-and-plant-infection-in-colletotrichum-gloeosporioides
#7
Zongshan Zhou, Jianyuan Wu, Meiyu Wang, Junxiang Zhang
ATP-binding cassette (ABC) proteins are exclusively found in both prokaryotes and eukaryotes. In this study, we have characterized a gene from Glomerella leaf spot pathogen Colletotrichum gloeosporioides that encodes an ABC protein, whose function to date remains unknown. We designated this gene as CgABCF2. Deletion of CgABCF2 showed drastic reduction both growing rate and conidial production in C. gloeosporioides. The Δcgabcf2 mutant did not form the appressoria, lost the capability to infect apple and failed to form lesions on the wounded leaves and fruits...
June 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28645650/isolation-identification-and-biocontrol-of-antagonistic-bacterium-against-botrytis-cinerea-after-tomato-harvest
#8
Jun-Feng Shi, Chang-Qing Sun
Tomato is one of the most important vegetables in the world. Decay after harvest is a major issue in the development of tomato industry. Currently, the most effective method for controlling decay after harvest is storage of tomato at low temperature combined with usage of chemical bactericide; however, long-term usage of chemical bactericide not only causes pathogen resistance but also is harmful for human health and environment. Biocontrol method for the management of disease after tomato harvest has great practical significance...
June 3, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28645224/a-symphony-of-cyclases-specificity-in-diguanylate-cyclase-signaling
#9
Kurt M Dahlstrom, George A O'Toole
Cyclic diguanylate (c-di-GMP) is a near universal signaling molecule produced by diguanylate cyclases that can direct a variety of bacterial behaviors. A major area of research over the last several years has been aimed at understanding how a cell with dozens of diguanylate cyclases can deploy a given subset of them to produce a desired phenotypic outcome without undesired cross talk between c-di-GMP-dependent systems. Several models have been put forward to address this question, including specificity of cyclase activation, tuned binding constants of effector proteins, and physical interaction between cyclases and effectors...
June 23, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28645204/when-homoplasy-is-not-homoplasy-dissecting-trait-evolution-by-contrasting-composite-and-reductive-coding
#10
Alejandro Torres-Montúfar, Thomas Borsch, Helga Ochoterena
The conceptualization and coding of characters is a difficult issue in phylogenetic systematics, no matter which inference method is used when reconstructing phylogenetic trees or if the characters are just mapped onto a specific tree. Complex characters are groups of features that can be divided into simpler hierarchical characters (reductive coding), although the implied hierarchical relational information may change depending on the type of coding (composite vs reductive). Up to now, there is no common agreement to either code characters as complex or simple...
June 22, 2017: Systematic Biology
https://www.readbyqxmd.com/read/28645098/the-behavioral-economics-of-social-anxiety-disorder-reveal-a-robust-effect-for-interpersonal-traits
#11
Thomas L Rodebaugh, Natasha A Tonge, Jaclyn S Weisman, Michelle H Lim, Katya C Fernandez, Ryan Bogdan
Recent evidence suggests that reduced generosity among individuals with social anxiety disorder (SAD) in behavioral economic tasks may result from constraint in changing behavior according to interpersonal contingencies. That is, people with SAD may be slower to be more generous when the situation warrants. Conversely, more global effects on generosity may be related to interpersonal vindictiveness, a dimension only somewhat related to SAD. A total of 133 participants, 73 with the generalized form of SAD, completed self-report instruments and a behavioral economic task with simulated interpersonal (friend, romantic partner, stranger) interactions...
June 15, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28645006/study-of-intestinal-anti-inflammatory-activity-of-phoenix-loureiroi-kunth-arecaceae-fruit
#12
Rajan Murugan, Shanmugam Saravanan, Thangaraj Parimelazhagan
Phoenix loureiroi Kunth belongs to the family Arecaceae, the fruits are widely consumed by Kurumba and Irula tribes of Tamil Nadu (India) and also used to cure intestinal related diseases in folklore medicine. Therefore, in vivo animal studies were evaluated to confirm the prevention of inflammatory bowel disease (IBD) with the treatment of this plant fruits. The IBD was studied in Wistar albino rats by indomethacin (s.c.), acetic acid (i.c.) and dextran sulfate sodium (DSS) induced models. The diseases parameters such as macroscopic, microscopic features, serum biomarkers levels, haematological profile, biochemical and antioxidant levels were determined...
June 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28644383/use-of-ultrasonication-technology-for-the-increased-production-of-plant-secondary-metabolites
#13
REVIEW
Md Mohidul Hasan, Tufail Bashir, Hanhong Bae
Plant secondary metabolites (PSMs) provide taste, color, odor, and resistance to plants, and they are also used to treat cancer and cardiovascular diseases. Synthesis of PSMs in plants is stimulated in response to different forms of external stress. Use of ultrasonication (US) to clean or decontaminate fruits and vegetables leads to physical stress that finally results in the accumulation of PSMs. US can stimulate accumulation of taxol, ginsenoside saponins, shikonin, and resveratrol, e.g., up to 319-fold increase of resveratrol synthesis has been observed in grape due to US...
June 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28644370/adaptation-of-new-colombian-food-based-complementary-feeding-recommendations-using-linear-programming
#14
Marion Tharrey, Gilma A Olaya, Mary Fewtrell, Elaine Ferguson
OBJECTIVE: To use Linear Programming (LP) analyses to adapt New Complementary Feeding Guidelines (NCFg) designed for infants aged 6-12 month (m) living in poor socioeconomic circumstances in Bogota to ensure dietary adequacy for young children aged 12-23 m. DESIGN: A secondary data analysis was performed using dietary and anthropometric data collected from 12 m old infants (n = 72) participating in a randomised controlled trial. LP analyses were performed to identify nutrients whose requirements were difficult to achieve using local foods as consumed; and to test and compare the NCFg and alternative food-based recommendations (FBRs) on the basis of dietary adequacy, for 11 micronutrients, at the population level...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28643606/origin-of-low-molecular-mass-aldehydes-as-disinfection-by-products-in-beverages
#15
María Serrano, Mercedes Gallego, Manuel Silva
A novel, simple and automatic method based on static headspace-gas chromatography-mass spectrometry has been developed to determine 10 low-molecular mass aldehydes that can be found in beverages, coming from the treated water used in their production. These aldehydes are the most frequently found in treated water as water disinfection by-products, so they can be used as indicators of the addition of treated water to beverages. The study covered a large number of fruit juices and soft drinks. The presence of the whole array of analytes is related to the contact with treated water during beverage production, mainly by the addition of treated water as ingredient...
June 23, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28643121/a-study-on-the-expression-of-genes-involved-in-carotenoids-and-anthocyanins-during-ripening-in-fruit-peel-of-green-yellow-and-red-colored-mango-cultivars
#16
G R Karanjalker, K V Ravishankar, K S Shivashankara, M R Dinesh, T K Roy, D V Sudhakar Rao
Mango (Mangiferaindica L.) fruits are generally classified based on peel color into green, yellow, and red types. Mango peel turns from green to yellow or red or retain green colors during ripening. The carotenoids and anthocyanins are the important pigments responsible for the colors of fruits. In the present study, peels of different colored cultivars at three ripening stages were characterized for pigments, colors, and gene expression analysis. The yellow colored cultivar "Arka Anmol" showed higher carotenoid content, wherein β-carotene followed by violaxanthin were the major carotenoid compounds that increased during ripening...
June 22, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28642971/high-diversity-of-bacterial-communities-in-developmental-stages-of-bactrocera-carambolae-insecta-tephritidae-revealed-by-illumina-miseq-sequencing-of-16s-rrna-gene
#17
Hoi-Sen Yong, Sze-Looi Song, Kah-Ooi Chua, Phaik-Eem Lim
Bactrocera carambolae is a highly polyphagous fruit pest of agricultural importance. This study reports the bacterial communities associated with the developmental stages of B. carambolae. The microbiota of the developmental stages were investigated by targeted 16S rRNA gene (V3-V4 region) sequencing using the Illumina MiSeq. At 97% similarity, there were 19 bacterial phyla and unassigned bacteria, comprising 39 classes, 86 orders, 159 families and 311 genera. The bacterial composition varied among the specimens of developmental stage and across developmental stages as well as exuviae...
June 23, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28642811/actinidia-chinensis-planch-improves-the-indices-of-antioxidant-and-anti-inflammation-status-of-type-2-diabetes-mellitus-by-activating-keap1-and-nrf2-via-the-upregulation-of-microrna-424
#18
Longfeng Sun, Xiaofei Li, Gang Li, Bing Dai, Wei Tan
The fruit juice of Actinidia chinensis Planch. has antioxidant and anti-inflammation properties on patients with type 2 diabetes mellitus (T2DM), but the molecular mechanism was unclear. The patients took the juice and the serum level of antioxidant miR-424, Kelch-like ECH-associated protein 1 (Keap1), erythroid-derived 2-like 2 (Nrf2), and biochemical indices were measured. The juice increased the levels of serum microRNA-424, Keap1, and Nrf2 and reduced the levels of interleukin-1 (IL-1) beta and IL-6 in T2DM patients...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28642771/transcriptomic-analysis-of-avocado-hass-persea-americana-mill-in-the-interaction-system-fruit-chitosan-colletotrichum
#19
Luis-Ángel Xoca-Orozco, Esther Angélica Cuellar-Torres, Sandra González-Morales, Porfirio Gutiérrez-Martínez, Ulises López-García, Luis Herrera-Estrella, Julio Vega-Arreguín, Alejandra Chacón-López
Avocado (Persea americana) is one of the most important crops in Mexico as it is the main producer, consumer, and exporter of avocado fruit in the world. However, successful avocado commercialization is often reduced by large postharvest losses due to Colletotrichum sp., the causal agent of anthracnose. Chitosan is known to have a direct antifungal effect and acts also as an elicitor capable of stimulating a defense response in plants. However, there is little information regarding the genes that are either activated or repressed in fruits treated with chitosan...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28642768/silicon-transporters-and-effects-of-silicon-amendments-in-strawberry-under-high-tunnel-and-field-conditions
#20
Samuel Ouellette, Marie-Hélène Goyette, Caroline Labbé, Joan Laur, Linda Gaudreau, André Gosselin, Martine Dorais, Rupesh K Deshmukh, Richard R Bélanger
Together with longer production periods, the commercial transition to day-neutral strawberry (Fragaria × ananassa) varieties has favored the development of diseases such as powdery mildew (Podosphaera aphanis) that thrives in late summer-early fall. In an attempt to find alternative solutions to fungicides currently employed to curb the disease, we wanted to investigate the potential of silicon (Si) amendments that have been associated with prophylactic properties against powdery mildews. To this end, our first objective was to determine if strawberry was a Si-competent species following the recent characterization of the properties of Si transporters that plants must carry to uptake silicic acid...
2017: Frontiers in Plant Science
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