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https://www.readbyqxmd.com/read/28938519/gilaburu-viburnum-opulus-l-fruit-extract-alleviates-testis-and-sperm-damages-induced-by-taxane-based-chemotherapeutics
#1
Serpil Sarıözkan, Gaffari Türk, Ayşe Eken, Latife Çakır Bayram, Ayşe Baldemir, Gülden Doğan
In this study, it was aimed to investigate the possible protective effects of gilaburu (Viburnum opulus L., Glb) fruit extract on testis and sperm damages induced by docetaxel (DTX) and paclitaxel (PTX) chemotherapeutics in rats. Sixty adult male Wistar albino rats were divided into 6 equal groups, 10 animals each. The groups were created as control (weekly i.p. saline injection), Glb (weekly i.p. saline injection and daily oral 100mg/kg Glb), DTX (weekly i.p. injection of 5mg/kg DTX), PTX (weekly i.p. injection of 4mg/kg PTX), DTX+Glb (weekly i...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28938432/mitochondrial-function-regulated-by-mitoguardin-1-2-is-crucial-for-ovarian-endocrine-functions-and-ovulation
#2
Xiao-Man Liu, Yin-Li Zhang, Shu-Yan Ji, Long-Wen Zhao, Wei-Na Shang, Dali Li, Zijiang Chen, Chao Tong, Heng-Yu Fan
The balances of mitochondrial dynamic changes, mitochondrial morphology, and mitochondrial number are critical in cell metabolism. Once disturbed, disorders in these processes generally cause diseases or even death in animals. We performed large-scale genetic screenings in fruit flies and discovered the new gene mitoguardin (miga) that encodes for a mitochondrial outer membrane protein. In order to examine the physiological functions of its mammalian homologs Miga1 and 2, we generated Miga1 and Miga2 single- and double-knockout mouse strains and found that the knockout mice were viable, but the females were subfertile...
August 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938081/sleep-in-insects
#3
Charlotte Helfrich-Förster
Sleep is essential for proper brain function in mammals and insects. During sleep, animals are disconnected from the external world; they show high arousal thresholds and changed brain activity. Sleep deprivation results in a sleep rebound. Research using the fruit fly, Drosophila melanogaster, has helped us understand the genetic and neuronal control of sleep. Genes involved in sleep control code for ion channels, factors influencing neurotransmission and neuromodulation, and proteins involved in the circadian clock...
September 22, 2017: Annual Review of Entomology
https://www.readbyqxmd.com/read/28937966/malusides-novel-glucosylceramides-isolated-from-apple-pomace-malus-domestica
#4
Mathias Reisberg, Norbert Arnold, Andrea Porzel, Reinhard H H Neubert, Birgit Dräger
Three new glucosylceramides (GluCers) named malusides I-III (1-3) were isolated from apple (cultivars of Malus domestica) pomace (fruit material remaining after juice extraction). An unusual oxo/hydroxy group pattern within the sphingadienine (d18:2) type sphingoid base was observed. All compounds contained the same α-hydroxylated fatty acid (h16:0) and a β-D-glucose moiety. Their structures were assigned on the basis of one- and two-dimensional (1D and 2D) nuclear magnetic resonance (NMR) spectroscopic analyses and mass spectrometry (MS) measurements...
September 22, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28937856/detection-of-selected-trace-elements-in-yogurt-components
#5
Marcela Capcarova, Lubos Harangozo, Tomas Toth, Loretta Schwarczova, Alica Bobkova, Robert Stawarz, Alessandra Guidi, Peter Massanyi
The objective of this study was to determine the concentrations of Cu, Cd, Pb, Mn, Cr, Co, Ni, Zn, and Hg in the white and fruit parts of commercially available yogurts (n = 30) from Nitra markets (Slovak Republic). The results were correlated to determine their relationships. Three yogurt fruit flavors were chosen and tested, strawberry (n = 10), blueberry (n = 10), and cherry (n = 10). The elements were analyzed using atomic absorption spectrophotometry. Higher concentrations of toxic elements, such as Cd and Pb, were found in the fruit parts of the yogurt, and in some cases, the tolerable limit was exceeded...
September 22, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28937594/molecular-tools-for-the-detection-and-the-identification-of-hymenoptera-parasitoids-in-tortricid-fruit-pests
#6
Pierre Franck, Mariline Maalouly-Matar, Jérôme Olivares
Biological control requires specific tools for the accurate detection and identification of natural enemies in order to estimate variations in their abundance and their impact according to changes in environmental conditions or agricultural practices. Here, we developed two molecular methods of detection based on PCR-RFLP with universal primers and on PCR with specific primers to identify commonly occurring larval parasitoids of the tortricid fruit pests and to estimate parasitism in the codling moth. Both methods were designed based on DNA sequences of the COI mitochondrial gene for a range of parasitoids that emerged from Cydia pomonella and Grapholitamolesta caterpillars (102 parasitoids; nine species) and a range of potential tortricid hosts (40 moths; five species) damaging fruits...
September 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28937585/phytochemicals-extraction-isolation-and-identification-of-bioactive-compounds-from-plant-extracts
#7
REVIEW
Ammar Altemimi, Naoufal Lakhssassi, Azam Baharlouei, Dennis G Watson, David A Lightfoot
There are concerns about using synthetic phenolic antioxidants such as butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) as food additives because of the reported negative effects on human health. Thus, a replacement of these synthetics by antioxidant extractions from various foods has been proposed. More than 8000 different phenolic compounds have been characterized; fruits and vegetables are the prime sources of natural antioxidants. In order to extract, measure, and identify bioactive compounds from a wide variety of fruits and vegetables, researchers use multiple techniques and methods...
September 22, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28937023/pre-illness-diet-as-risk-factor-in-pediatric-inflammatory-bowel-disease-in-saudi-arabia
#8
Mohammad I El Mouzan, Mohammad A Al Mofarreh, Ahmad A Al Sarkhy, Asaad M Assiri, Yassin M Hamed
BACKGROUND/AIM: Inflammatory bowel disease (IBD) is increasing in Saudi Arabia but there's little knowledge about its risk factors. Our aim is to investigate the dietary risk factors of this disease in Saudi children. PATIENTS AND METHODS: The children investigated for IBD were prospectively enrolled. Those with confirmed IBD were designated cases and the others were controls. The average food frequency intake at least 3 months before onset of illness was obtained by direct interview and recorded on a modified food frequency questionnaire...
September 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28936844/-chemical-constituents-from-ripe-fruit-of-cornus-officinalis
#9
Xian-Sheng Ye, Jun He, Jia-Lin Zhang, Xiao-Bin Pang, Lei Zhang, Hao-Yi Qiao, Xue-Ge Pan, Jia Zhang, Shu-Na Liu, Wei-Ku Zhang, Jie-Kun Xu
To investigate the chemical compounds from the fruit of Cornus officinalis, six compounds were isolated and determined by extensive spectroscopic analysis as 6'-O-acetyl-7α-O-ethyl morroniside (1), (-)-isolariciresinol 3α-O-β-D-glucopyranoside(2), apigenin (3), cirsiumaldehyde(4), p-coumaric acid (5), caffeic acid (6). Compound 1 was a new iridoid glucoside,and compounds 2-4 were obtained from the Cornus genus for the first time. Compounds 2-6 were evaluated for the viability of PC12 cells when exposed in conditions of oxygen and glucose deprivation...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936793/restricted-female-function-of-hermaphrodites-in-a-gynodioecious-shrub-daphne-jezoensis-thymelaeaceae
#10
Akari Shibata, Yoshiaki Kameyama, Gaku Kudo
Gynodioecy is the coexistence of hermaphrodites and females in a population. It is supposed to be an intermediate stage in the evolutionary pathway from hermaphroditism to dioecy in angiosperm. Hermaphrodites gain fitness through both seed and pollen production whereas females gain fitness only through seed production. As females spread in a gynodioecious population, sexual selection prompts hermaphrodites to invest in male function and male-biased hermaphrodites prevail. In the gynodioecious shrub Daphne jezoensis (Thymelaeaceae), female frequency is stably around 50% in most populations, and fruit-set rate of hermaphrodites is commonly low...
September 21, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28936669/impedance-flow-cytometry-as-a-tool-to-analyze-microspore-and-pollen-quality
#11
Iris Heidmann, Marco Di Berardino
Analyzing pollen quality in an efficient and reliable manner is of great importance to the industries involved in seed and fruit production, plant breeding, and plant research. Pollen quality parameters, viability and germination capacity, are analyzed by various staining methods or by in vitro germination assays, respectively. These methods are time-consuming, species-dependent, and require a lab environment. Furthermore, the obtained viability data are often poorly related to in vivo pollen germination and seed set...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28936215/omics-approaches-for-understanding-grapevine-berry-development-regulatory-networks-associated-with-endogenous-processes-and-environmental-responses
#12
REVIEW
Alejandra Serrano, Carmen Espinoza, Grace Armijo, Claudio Inostroza-Blancheteau, Evelyn Poblete, Carlos Meyer-Regueiro, Anibal Arce, Francisca Parada, Claudia Santibáñez, Patricio Arce-Johnson
Grapevine fruit development is a dynamic process that can be divided into three stages: formation (I), lag (II), and ripening (III), in which physiological and biochemical changes occur, leading to cell differentiation and accumulation of different solutes. These stages can be positively or negatively affected by multiple environmental factors. During the last decade, efforts have been made to understand berry development from a global perspective. Special attention has been paid to transcriptional and metabolic networks associated with the control of grape berry development, and how external factors affect the ripening process...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28936163/quercetin-declines-apoptosis-ameliorates-mitochondrial-function-and-improves-retinal-ganglion-cell-survival-and-function-in-in-vivo-model-of-glaucoma-in-rat-and-retinal-ganglion-cell-culture-in-vitro
#13
Feng-Juan Gao, Sheng-Hai Zhang, Ping Xu, Bo-Qi Yang, Rong Zhang, Yun Cheng, Xu-Jiao Zhou, Wan-Jing Huang, Min Wang, Jun-Yi Chen, Xing-Huai Sun, Ji-Hong Wu
Glaucoma is a progressive neuropathy characterized by the loss of retinal ganglion cells (RGCs). Strategies that delay or halt RGC loss have been recognized as potentially beneficial for rescuing vision in glaucoma patients. Quercetin (Qcn) is a natural and important dietary flavonoid compound, widely distributed in fruits and vegetables. Mounting evidence suggests that Qcn has numerous neuroprotective effects. However, whether Qcn exerts neuroprotective effects on RGC in glaucoma is poorly understood. In this study, we investigated the protective effect of Qcn against RGC damage in a rat chronic ocular hypertension (COHT) model invivo and hypoxia-induced primary cultured RGC damage in vitro, and we further explored the underlying neuroprotective mechanisms...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28935951/overexpression-of-annexin-gene-annsp2-enhances-drought-and-salt-tolerance-through-modulation-of-aba-synthesis-and-scavenging-ros-in-tomato
#14
Raina Ijaz, Javeria Ejaz, Shenghua Gao, Tengfei Liu, Muhammad Imtiaz, Zhibiao Ye, Taotao Wang
Drought and high salinity are two major abiotic stresses that significantly affect agricultural crop productivity worldwide. Annexins are a multigene family that plays an essential role in plant stress responses and various cellular processes. Here, the AnnSp2 gene was cloned from drought-resistant wild tomato (Solanum pennellii) and functionally characterized in cultivated tomato. AnnSp2 protein was localized in the nucleus and had higher expression in leave, flower and fruit. It was induced by several phytohormones and some abiotic stresses...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935620/a-lifestyle-intervention-via-email-in-minority-breast-cancer-survivors-randomized-parallel-group-feasibility-study
#15
Raheem J Paxton, Richard Hajek, Patricia Newcomb, Megha Dobhal, Sujana Borra, Wendell C Taylor, Deborah Parra-Medina, Shine Chang, Kerry S Courneya, Gladys Block, Torin Block, Lovell A Jones
BACKGROUND: Our data have indicated that minority breast cancer survivors are receptive to participating in lifestyle interventions delivered via email or the Web, yet few Web-based studies exist in this population. OBJECTIVE: The aim of this study was to examine the feasibility and preliminary results of an email-delivered diet and activity intervention program, "A Lifestyle Intervention Via Email (ALIVE)," delivered to a sample of racial and ethnic minority breast cancer survivors...
September 21, 2017: JMIR Cancer
https://www.readbyqxmd.com/read/28934944/knowledge-attitude-and-practices-on-intestinal-schistosomiasis-among-primary-schoolchildren-in-the-lake-victoria-basin-rorya-district-north-western-tanzania
#16
David Z Munisi, Joram Buza, Emmanuel A Mpolya, Teckla Angelo, Safari M Kinung'hi
BACKGROUND: Globally school-age children, adolescents and young adults bear the highest burden of schistosomiasis. When developing a specific intervention to improve community's knowledge, attitudes, and practices (KAPs), existing KAPs must be taken into account. Therefore, this study was designed to determine schoolchildren's KAPs on schistosomiasis in the study area. METHODS: A cross-sectional study was conducted in Busanga and Kibuyi villages involving 513 schoolchildren...
September 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28934594/noncoding-rnas-in-polycomb-and-trithorax-regulation-a-quantitative-perspective
#17
Leonie Ringrose
The question of how noncoding RNAs are involved in Polycomb group (PcG) and Trithorax group (TrxG) regulation has been on an extraordinary journey over the last three decades. Favored models have risen and fallen, and healthy debates have swept back and forth. The field has recently reached a critical mass of compelling data that throws light on several previously unresolved issues. The time is ripe for a fruitful combination of these findings with two other long-running avenues of research, namely the biochemical properties of the PcG/TrxG system and the application of theoretical mathematical models toward an understanding of the system's regulatory properties...
September 15, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934301/microwave-bio-sensor-based-on-symmetrical-split-ring-resonator-with-spurline-filters-for-therapeutic-goods-detection
#18
Rammah A Alahnomi, Z Zakaria, E Ruslan, S R Ab Rashid, Amyrul Azuan Mohd Bahar, Azizah Shaaban
A novel symmetrical split ring resonator (SSRR) based microwave sensor with spurline filters for detecting and characterizing the properties of solid materials has been developed. Due to the weak perturbation in the interaction of material under test (MUT) and planar microwave sensor, spurline filters were embedded to the SSRR microwave sensor which effectively enhanced Q-factor with suppressing the undesired harmonic frequency. The spurline filter structures force the presented sensor to resonate at a fundamental frequency of 2...
2017: PloS One
https://www.readbyqxmd.com/read/28934298/transcriptome-analysis-of-callery-pear-pyrus-calleryana-reveals-a-comprehensive-signalling-network-in-response-to-alternaria-alternata
#19
Jialiang Kan, Tingli Liu, Na Ma, Hui Li, Xiaogang Li, Jinyan Wang, Baolong Zhang, Youhong Chang, Jing Lin
The pear is an important temperate fruit worldwide that is produced by a group of species in the genus Pyrus. Callery pear (Pyrus calleryana Decne) is characterized by high resistance to multiple diseases, good adaptability, and high ornamental value, and is therefore widely planted in pear orchards for edible fruit production or as stock. Plant pathogens are a major threat to pear yield. Black spot disease, caused by the filamentous fungus Alternaria alternata, is one of the most serious diseases in pear. Elucidation of resistant genes to black spot disease is extremely important for understanding the underlying mechanisms as well as for the development of resistant cultivars...
2017: PloS One
https://www.readbyqxmd.com/read/28934155/anti-inflammatory-phenolic-metabolites-from-the-edible-fungus-phellinus-baumii-in-lps-stimulated-raw264-7-cells
#20
Seulah Lee, Dahae Lee, Tae Su Jang, Ki Sung Kang, Joo-Won Nam, Hae-Jeung Lee, Ki Hyun Kim
The edible fungus Phellinus baumii Pilat (Hymenochaetaceae) has been used in Korean traditional medicines for strengthening health and prolonging life. An extract of the fruiting bodies of P. baumii was subjected to bioassay-guided fractionation based on its anti-inflammatory effects in lipopolysaccharide (LPS)-stimulated RAW264.7 cells. The resulting fractions were chemically investigated, leading to isolation of three phenolic compounds (1-3), a sesquiterpene (4), two steroids (5-6), a fatty acid (7), and a cerebroside (8)...
September 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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