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https://www.readbyqxmd.com/read/28441841/-an-experiment-control-study-on-the-ovarian-reserve-function-after-cisplatin-intraperitoneal-or-intravenous-chemotherapy-in-rats-model
#1
B Z Fan, H Xia, L Chu, X W Tong
Objective: To compare the impact on the ovarian reserve function after cisplatin intraperitoneal or intravenous chemotherapy in rats model. Methods: Thirty 8-weeks old female Sprague Dawley rats were randomly assigned to control group (group A, n=10), intraperitoneal chemotherapy group (group B, n=10) and intravenous chemotherapy group (group C, n=10). Cisplatin was diluted by normal saline (NS) into 4 mg/ml. On the first day of chemotherapy, 0.2 ml cisplatin dilution was injected into the abdomen of rats in group B, isodose cisplatin was injected into vein and 1...
April 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28441777/health-effects-of-psidium-guajava-l-leaves-an-overview-of-the-last-decade
#2
REVIEW
Elixabet Díaz-de-Cerio, Vito Verardo, Ana María Gómez-Caravaca, Alberto Fernández-Gutiérrez, Antonio Segura-Carretero
Today, there is increasing interest in discovering new bioactive compounds derived from ethnomedicine. Preparations of guava (Psidium guajava L.) leaves have traditionally been used to manage several diseases. The pharmacological research in vitro as well as in vivo has been widely used to demonstrate the potential of the extracts from the leaves for the co-treatment of different ailments with high prevalence worldwide, upholding the traditional medicine in cases such as diabetes mellitus, cardiovascular diseases, cancer, and parasitic infections...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441764/altered-adipogenesis-in-zebrafish-larvae-following-high-fat-diet-and-chemical-exposure-is-visualised-by-stimulated-raman-scattering-microscopy
#3
Marjo J den Broeder, Miriam J B Moester, Jorke H Kamstra, Peter H Cenijn, Valentina Davidoiu, Leonie M Kamminga, Freek Ariese, Johannes F de Boer, Juliette Legler
Early life stage exposure to environmental chemicals may play a role in obesity by altering adipogenesis; however, robust in vivo methods to quantify these effects are lacking. The goal of this study was to analyze the effects of developmental exposure to chemicals on adipogenesis in the zebrafish (Danio rerio). We used label-free Stimulated Raman Scattering (SRS) microscopy for the first time to image zebrafish adipogenesis at 15 days post fertilization (dpf) and compared standard feed conditions (StF) to a high fat diet (HFD) or high glucose diet (HGD)...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441569/the-cytoskeleton-autophagy-connection
#4
REVIEW
David J Kast, Roberto Dominguez
Actin cytoskeleton dynamics play vital roles in most forms of intracellular trafficking by promoting the biogenesis and transport of vesicular cargoes. Mounting evidence indicates that actin dynamics and membrane-cytoskeleton scaffolds also have essential roles in macroautophagy, the process by which cellular waste is isolated inside specialized vesicles called autophagosomes for recycling and degradation. Branched actin polymerization is necessary for the biogenesis of autophagosomes from the endoplasmic reticulum (ER) membrane...
April 24, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28441534/managing-the-plant-microbiome-for-biocontrol-fungi-examples-from-hypocreales
#5
REVIEW
Ryan M Kepler, Jude E Maul, Stephen A Rehner
Feeding an increasing global population requires continued improvements in agricultural efficiency and productivity. Meeting estimated future production levels requires the adoption of practices that increase output without environmental degradation associated with external inputs to supplement nutrition or control pests. Enriching the community of microbes associated with plants in agricultural systems for those providing ecosystem services such as pest control is one possible component towards achieving sustainable productivity increases...
April 22, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/28441450/commensal-bacteria-and-essential-amino-acids-control-food-choice-behavior-and-reproduction
#6
Ricardo Leitão-Gonçalves, Zita Carvalho-Santos, Ana Patrícia Francisco, Gabriela Tondolo Fioreze, Margarida Anjos, Célia Baltazar, Ana Paula Elias, Pavel M Itskov, Matthew D W Piper, Carlos Ribeiro
Choosing the right nutrients to consume is essential to health and wellbeing across species. However, the factors that influence these decisions are poorly understood. This is particularly true for dietary proteins, which are important determinants of lifespan and reproduction. We show that in Drosophila melanogaster, essential amino acids (eAAs) and the concerted action of the commensal bacteria Acetobacter pomorum and Lactobacilli are critical modulators of food choice. Using a chemically defined diet, we show that the absence of any single eAA from the diet is sufficient to elicit specific appetites for amino acid (AA)-rich food...
April 2017: PLoS Biology
https://www.readbyqxmd.com/read/28441347/association-between-sleep-and-body-weight-a-panel-data-model-based-on-a-retrospective-longitudinal-cohort-of-chinese-infants
#7
Tingting Sha, Yan Yan, Xiao Gao, Shiting Xiang, Guangyu Zeng, Shiping Liu, Qiong He
The focus of this article is on sleep duration and sleep problems in infants and their association with body weight. A retrospective birth cohort of 519 infants was enrolled in a community-based study conducted in Changsha, China. Infant weight and other health-related information were collected during regular standard checkups at the Community Health Service Centers when infants were 1, 3, 6, 8, and 12 months old. The sleep duration and sleep problems of infants were assessed by maternal self-reports. Panel data model was used to evaluate the association of sleep duration and sleep problems with infant body weight...
April 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28441327/exclusive-breastfeeding-practice-and-its-association-among-mothers-of-under-5-children-in-kwango-district-dr-congo
#8
Sarita Dhakal, Tae Ho Lee, Eun Woo Nam
The benefit of the breastfeeding has been well-established. In comparison to partial breast feeding, exclusive breastfeeding has even more benefits. The aim of this study was to identify the factors associated with breastfeeding exclusivity during the first 6 months of life in order to better target public health interventions in this community towards healthier infant nutrition and address child mortality in this population. A cross-sectional survey among 1145 random households was conducted in the Kwango district of the Democratic Republic of the Congo (DRC) during 2 November 2015 to 13 November 2015...
April 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28441319/speyeria-lepidoptera-nymphalidae-conservation
#9
REVIEW
Steven R Sims
Speyeria (Nymphalidae) are a conspicuous component of the North American butterfly fauna. There are approximately 16 species and >100 associated subspecies (or geographical variants). Speyeria are univoltine, occupy a wide range of habitats, overwinter as first instar larvae, and feed only on native violets. Speyeria species have become a model group for studies of evolution, speciation, and conservation. Several species and subspecies are threatened or endangered. The reasons for this vary with the taxa involved, but always involve the degradation or loss of quality habitat for larvae and adults...
April 25, 2017: Insects
https://www.readbyqxmd.com/read/28441153/discharge-criteria-for-the-late-preterm-infant-a-review-of-the-literature
#10
Jenny M Quinn, Marteen Sparks, Sheila M Gephart
BACKGROUND: Standardized late preterm infant (LPI) discharge criteria ensure best practice and help guide the neonatal provider to determine the appropriate level of care following birth. However, the location can vary from the well newborn setting to the neonatal intensive care unit (NICU). PURPOSE: The purpose of this review is to examine differences in LPI discharge criteria between the well newborn setting and the NICU by answering the clinical questions, "What are the recommended discharge criteria for the LPI and do they differ if admitted to the well newborn setting versus the NICU?" SEARCH STRATEGY: Databases searched include CINAHL, TRIP, PubMed, and the Cochrane Library...
April 24, 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28441115/neuromodulation-of-innate-behaviors-in-drosophila
#11
Susy M Kim, Chih-Ying Su, Jing W Wang
Animals are born with a rich repertoire of robust behaviors that are critical for their survival. However, innate behaviors are also highly adaptable to an animal's internal state and external environment. Neuromodulators, including biogenic amines, neuropeptides, and hormones, are released to signal changes in animals' circumstances and serve to reconfigure neural circuits. This circuit flexibility allows animals to modify their behavioral responses according to environmental cues, metabolic demands, and physiological states...
April 24, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28441056/evaluation-of-gastric-emptying-time-gastrointestinal-transit-time-sedation-score-and-nausea-score-associated-with-intravenous-constant-rate-infusion-of-lidocaine-hydrochloride-in-clinically-normal-dogs
#12
Rebecca A Johnson, Katharine R Kierski, Brian G Jones
OBJECTIVE To quantify nausea and sedation scores, gastric emptying time, and gastrointestinal transit time after IV administration of a lidocaine hydrochloride bolus followed by a constant rate infusion (CRI) in clinically normal dogs. ANIMALS 6 Beagles. PROCEDURES In a crossover study, dogs were fed thirty 1.5-mm barium-impregnated spheres (BIPS) and received a saline (0.9% NaCl) solution bolus (0.05 mL/kg) IV (time 0) followed by a CRI at 10 mL/h, a lidocaine bolus (1 mg/kg) IV followed by a CRI at 25 μg/kg/min, or a lidocaine bolus (1 mg/kg) IV followed by a CRI at 50 μg/kg/min; CRIs were for 12 hours...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28441015/-bottom-up-construction-of-multi-polyprodrug-arm-hyperbranched-amphiphiles-for-cancer-therapy
#13
Pei Sun, Dong Chen, Hongping Deng, Nan Wang, Ping Huang, Xin Jin, Xinyuan Zhu
Despite of great advantages of polymer-drug conjugates (PDC) in cancer therapy, the controlling of drug loading site and degree via a facile approach remains a great challenge. Herein, combination the controllability of the "bottom-up" strategy and the stability of multi-arm hyperbranched amphiphiles, we have developed a novel multi-polyprodrug-arm hyperbranched amphiphiles (H40-star-(PHCPTMA-b-PMPC), hPCM) via reversible addition-fragmentation chain transfer (RAFT) polymerization for cancer therapy. The hPCM was constructed via two-step polymerization of an acid-labile prodrug monomer and a zwitterionic monomer, respectively...
April 25, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28440738/restricted-feeding-modulates-the-daily-variations-of-liver-glutamate-dehydrogenase-activity-expression-and-histological-location
#14
Olivia Vázquez-Martínez, Isabel Méndez, Isaías Turrubiate, Héctor Valente-Godínez, Moisés Pérez-Mendoza, Paola García-Tejada, Mauricio Díaz-Muñoz
Glutamate dehydrogenase is an important enzyme in the hepatic regulation of nitrogen and energy metabolism. It catalyzes one of the most relevant anaplerotic reactions. Although its relevance in liver homeostasis has been widely described, its daily pattern and responsiveness to restricted feeding protocols has not been studied. We explored the daily variations of liver glutamate dehydrogenase transcription, protein, activity, and histochemical and subcellular location in a protocol of daytime food synchronization in rats...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28440648/fate-and-trophic-transfer-of-rare-earth-elements-in-temperate-lake-food-webs
#15
Marc Amyot, Meredith Gabrielle Clayden, Gwyneth A MacMillan, Tania Perron, Alexandre Arscott-Gauvin
Many mining projects targeting rare earth elements (REE) are in development in North America, but the background concentrations and trophic transfer of these elements in natural environments have not been well characterized. We sampled abiotic and food web components in 14 Canadian temperate lakes unaffected by mines, to assess the natural ecosystem fate of REE. Individual REE and total REE concentrations (sum of individual element concentrations, ΣREE) were strongly related with each other throughout different components of lake food webs...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28440626/alteration-of-diastereoisomeric-and-enantiomeric-profiles-of-hexabromocyclododecanes-hbcds-in-adult-chicken-tissues-eggs-and-hatchling-chickens
#16
Xiaobo Zheng, Lin Qiao, Run-XIa Sun, Xiaojun Luo, Jing Zheng, Qilai Xie, Yuxin Sun, Bi Xian Mai
The concentrations and enantiomer fractions (EFs) of α-, β-, and γ-hexabromocyclododecanes (HBCDs) were measured in chicken diet sources (soil and chicken feed), home-raised adult chicken (Gallus domesticus) tissues, eggs during incubation, and hatchling chicken tissues. HBCD concentrations were nd-0.69 ng/g dry weight (dw) and 25.6-48.4 ng/g dw in chicken feed and soil, respectively. HBCDs were detected in all adult chicken tissues except the brain, at median levels of 13.1-44.0 ng/g lipid weight (lw). The proportions of α-HBCD in total HBCDs increased from 51% in soil to more than 87% in adult chicken tissues...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28440300/insecticide-induced-leg-loss-does-not-eliminate-biting-and-reproduction-in-anopheles-gambiae-mosquitoes
#17
Alison T Isaacs, Amy Lynd, Martin J Donnelly
Recent successes in malaria control have been largely attributable to the deployment of insecticide-based vector control tools such as bed nets and indoor residual spraying. Pyrethroid-treated bed nets are acutely neurotoxic to mosquitoes, inducing symptoms such as loss of coordination, paralysis, and violent spasms. One result of pyrethroid exposure often seen in laboratory tests is mosquito leg loss, a condition that has thus far been assumed to equate to mortality, as females are not expected to blood feed...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440048/ability-to-adjust-nocturnal-fat-oxidation-in-response-to-overfeeding-predicts-5-year-weight-gain-in-adults
#18
Corey A Rynders, Audrey Bergouignan, Elizabeth Kealey, Daniel H Bessesen
OBJECTIVE: To determine whether metabolic responses to short-term overfeeding predict longitudinal changes in body weight. METHODS: Twenty-four-hour energy expenditure (EE) and substrate utilization were measured at baseline in a room calorimeter following 3 days of eucaloric and hypercaloric feeding (40% excess) in a sample of lean adults (n: 34; age: 28 ± 2 y; BMI: 22 ± 3 kg/m(2) ). Body mass and fat mass (dual-energy x-ray absorptiometry) were measured annually for 5 years...
May 2017: Obesity
https://www.readbyqxmd.com/read/28439984/effects-of-energy-supply-and-nicotinic-acid-supplementation-on-serum-anti-oxidative-capacity-and-on-expression-of-oxidative-stress-related-genes-in-blood-leucocytes-of-periparturient-primi-and-pluriparous-dairy-cows
#19
S Bühler, J Frahm, R Tienken, S Kersten, U Meyer, K Huber, S Dänicke
The periparturient period is accompanied by metabolic and oxidative stress. Niacin is known to decrease lipolysis but is also reported to have anti-oxidative effects. Therefore, we examined the effects of energy supply and a nicotinic acid (NA) supplementation on anti-oxidative serum parameters and on the expression of oxidative stress-related genes in blood leucocytes of periparturient dairy cows, differing in parity. Twenty-nine pluriparous and 18 primiparous cows were allocated to four different feeding groups 42 days before expected parturition until 100 days postpartum and fed a ration with either a low concentrate proportion of 30% (LC) or a high concentrate proportion of 60% (HC)...
April 25, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28439947/sirt1-hsf1-hsps-pathway-is-essential-for-exenatide-alleviated-lipid-induced-hepatic-endoplasmic-reticulum-stress
#20
Xiaobin Zheng, Fen Xu, Hua Liang, Huanyi Cao, Mengyin Cai, Wen Xu, Jianping Weng
Recent studies have indicated lipid-induced endoplasmic reticulum (ER) stress to be a major contributor to the progression of hepatic steatosis. Exenatide (Exendin-4), a glucagon-like peptide-1 receptor agonist, is known to improve hepatic steatosis with accumulating evidence. In this study, we investigated whether exenatide could alleviate lipid-induced hepatic ER stress through mammal sirtuin1 (SIRT1) and illustrated the detailed mechanisms. Male C57BL/6J mice challenged with a high-fat diet (HFD) were then treated with exenatide or normal saline by intraperitoneal injection for 4 weeks...
April 25, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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