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https://www.readbyqxmd.com/read/28222446/the-timing-of-embryo-transfer-catheter-removal-should-it-be-delayed-or-done-immediately-a-prospective-randomized-trial
#1
Belgin Devranoğlu, Özkan Özdamar, Yiğit Çakıroğlu, Mehmet Küçükbaş, Meryem K Eken, Emek Doğer
BACKGROUND/AIMS: Data on the timing of catheter removal technique following embryo transfer (ET) are quite limited. We aimed to compare the reproductive outcomes of intracytoplasmic sperm injection (ICSI)/ET cycles in which the transfer catheter was removed immediately with those in which the catheter was removed after a delay period and hereby to evaluate the impact that the time interval before removal of the catheter following embryo deposit may have on the fertility outcomes. METHODS: A prospective randomized study was designed...
February 22, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28222376/effects-of-4-nonylphenol-in-drinking-water-on-the-reproductive-capacity-of-japanese-quails-coturnix-japonica
#2
Yan Cheng, Zhengjun Shan, Junying Zhou, Yuanqing Bu, Pengfu Li, Shan Lu
4-nonylphenol (4-NP), a major degradation product of Nonylphenol ethoxylates (NPEOs), is widespread in environment. In this study, the effects of long-term 4-NP exposure in drinking water on Japanese quails (Coturnix japonica) were investigated. A total of 45 quails were evenly divided into 15 groups and administrated with various doses (0.1 μg L(-1), 1.0 μg L(-1), 10 μg L(-1) and 100 μg L(-1), which reflected the environmental concentrations of 4-NP) of 4-NP in drinking water. The results showed that 4-NP in drinking water had no effect on quails' food intake, but significantly decreased the quails' body weights (P < 0...
February 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222339/everyday-memory-impairment-in-patients-with-temporal-lobe-epilepsy-caused-by-hippocampal-sclerosis
#3
Patrícia Rzezak, Ellen Marise Lima, Ana Carolina Gargaro, Erica Coimbra, Silvia de Vincentiis, Tonicarlo Rodrigues Velasco, João Pereira Leite, Geraldo F Busatto, Kette D Valente
OBJECTIVE: Patients with temporal lobe epilepsy caused by hippocampal sclerosis (TLE-HS) have episodic memory impairment. Memory has rarely been evaluated using an ecologic measure, even though performance on these tests is more related to patients' memory complaints. We aimed to measure everyday memory of patients with TLE-HS to age- and gender-matched controls. METHODS: We evaluated 31 patients with TLE-HS and 34 healthy controls, without epilepsy and psychiatric disorders, using the Rivermead Behavioral Memory Test (RBMT), Visual Reproduction (WMS-III) and Logical Memory (WMS-III)...
February 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28222175/factors-associated-with-post-diagnosis-pregnancies-in-women-living-with-hiv-in-the-south-of-brazil
#4
Luciana Barcellos Teixeira, Flávia Bulegon Pilecco, Álvaro Vigo, Maria de Lourdes Drachler, José Carlos de Carvalho Leite, Daniela Riva Knauth
OBJECTIVES: To analyze the factors associated with the occurrence of pregnancies after the diagnosis of infection by HIV. METHODS: Cross-sectional study with women of a reproductive age living with HIV/AIDS cared for in the public services of the city of Porto Alegre, in southern Brazil. The data was analyzed from a comparison between two groups: women with and women without pregnancies after the diagnosis of HIV. Poisson regression models were used to estimate the reasons of prevalence (RP)...
2017: PloS One
https://www.readbyqxmd.com/read/28222030/sub-chronic-indomethacin-treatment-and-its-effect-on-the-male-reproductive-system-of-albino-rats-possible-protective-role-of-black-tea-extract
#5
Ishwar B Bagoji, Gavishiddappa A Hadimani, Saeed M Yendigeri, Kusal K Das
BACKGROUND: Indomethacin is commonly used as a nonsteroidal anti-inflammatory drug (NSAID) to treat inflammation, arthritis and joint pains. Unfortunately, it has a wide range of adverse effects on the physiological system, including gonads. This study aimed to assess possible beneficial effects of black tea extract (BTE) against indomethacin-induced alteration of gonadal hormone levels in male rats. MATERIALS AND METHODS: Adult male rats were divided into Group I (control), Group II (indomethacin, 5 mg/kg body weight [bwt...
February 21, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28221832/what-explains-patterns-of-diversification-and-richness-among-animal-phyla
#6
Tereza Jezkova, John J Wiens
Animal phyla vary dramatically in species richness (from one species to >1.2 million), but the causes of this variation remain largely unknown. Animals have also evolved striking variation in morphology and ecology, including sessile marine taxa lacking heads, eyes, limbs, and complex organs (e.g., sponges), parasitic worms (e.g., nematodes, platyhelminths), and taxa with eyes, skeletons, limbs, and complex organs that dominate terrestrial ecosystems (arthropods, chordates). Relating this remarkable variation in traits to the diversification and richness of animal phyla is a fundamental yet unresolved problem in biology...
March 2017: American Naturalist
https://www.readbyqxmd.com/read/28221824/surviving-in-a-cosexual-world-a-cost-benefit-analysis-of-dioecy-in-tropical-trees
#7
Marjolein Bruijning, Marco D Visser, Helene C Muller-Landau, S Joseph Wright, Liza S Comita, Stephen P Hubbell, Hans de Kroon, Eelke Jongejans
Dioecy has a demographic disadvantage compared with hermaphroditism: only about half of reproductive adults produce seeds. Dioecious species must therefore have fitness advantages to compensate for this cost through increased survival, growth, and/or reproduction. We used a full life cycle approach to quantify the demographic costs and benefits associated with dioecy while controlling for demographic differences between dioecious and hermaphroditic species related to other functional traits. The advantage of this novel approach is that we can focus on the effect of breeding system across a diverse tree community...
March 2017: American Naturalist
https://www.readbyqxmd.com/read/28221816/priorities-in-fertility-decisions-for-reproductive-aged-cancer-patients-fertility-attitudes-and-cancer-treatment-study
#8
Dina M Flink, Laxmi A Kondapalli, Yvonne Kellar-Guenther
PURPOSE: The Fertility Attitudes and Cancer Treatment Study (FACTS) aims at better understanding the reasons and priorities of young adult cancer patients making decisions for fertility preservation (FP). Identifying the factors that center around a patient's fertility decisions will support the development of educational tools for providers and improve clinical care to meet patients' reproductive needs. METHODS: An exploratory qualitative study was conducted of 27 newly diagnosed male and female cancer patients who had presented for an oncofertility consultation...
February 21, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28221781/the-relationship-between-organic-loading-and-effects-on-fish-reproduction-for-pulp-mill-effluents-across-canada
#9
Pierre H Martel, Brian I O'Connor, Tibor G Kovacs, Michael R Van Den Heuvel, Joanne L Parrott, Mark E McMaster, Deborah L MacLatchy, Glen J Van Der Kraak, L Mark Hewitt
This study builds upon the work of a multiagency consortium tasked with determining cost effective solutions for the effects of pulp mill effluents on fish reproduction. A laboratory fathead minnow egg production test and chemical characterization tools were used to benchmark eighty-one effluents from twenty mills across Canada, representing the major pulping, bleaching and effluent treatment technologies. For Kraft and mechanical pulp mills, effluents containing less than 20 mg/L BOD5 were found to have the greatest probability of having no effects...
February 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28221119/pneumonic-plague-transmission-moramanga-madagascar-2015
#10
Beza Ramasindrazana, Voahangy Andrianaivoarimanana, Jean Marius Rakotondramanga, Dawn N Birdsell, Maherisoa Ratsitorahina, Minoarisoa Rajerison
During a pneumonic plague outbreak in Moramanga, Madagascar, we identified 4 confirmed, 1 presumptive, and 9 suspected plague case-patients. Human-to-human transmission among close contacts was high (reproductive number 1.44) and the case fatality rate was 71%. Phylogenetic analysis showed that the Yersinia pestis isolates belonged to group q3, different from the previous outbreak.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28221088/the-menstrual-cycle-response-and-developmental-affective-risk-model-a-multilevel-and-integrative-model-of-influence
#11
Jeff Kiesner
An integrative developmental model is presented in which menstrual cycle-related symptoms are hypothesized to result in a cascade of developmental challenges that contribute to increased affective symptoms among adolescent girls, and to long-term developmental sequelae. To provide the basis for this model a broad foundation is developed considering (a) psychological symptoms and disorders associated with reproductive events across the life span, and (b) the many and complicated effects that female reproductive steroids (estrogen & progesterone) have which trigger a variety of physical and psychological changes that are commonly associated with the menstrual cycle...
March 2017: Psychological Review
https://www.readbyqxmd.com/read/28220682/the-treadmill-of-production-and-the-positional-economy-of-consumption
#12
Dean Curran
The theory of the treadmill of production highlights how the constant search for economic growth leads to advanced economies being stuck on a "treadmill," where their well-being is not improved by economic growth, yet the impacts of this pursuit of growth causes massive, unsustainable environmental damages. In interrogating the specific driving force that keeps the irrational system of the treadmill so powerfully in place, the theory of the treadmill of production focuses on how those who control the production process, corporations, are the primary agents driving the treadmill, while also highlighting how the state and workers generally continue to provide support for the treadmill's continued reproduction...
February 2017: Canadian Review of Sociology, Revue Canadienne de Sociologie
https://www.readbyqxmd.com/read/28220550/metabolomic-profiling-in-umbilical-venous-plasma-reveals-effects-of-dietary-rumen-protected-arginine-or-n-carbamylglutamate-supplementation-in-nutrient-restricted-hu-sheep-during-pregnancy
#13
L Sun, H Zhang, Y Fan, Y Guo, G Zhang, H Nie, F Wang
Maternal nutrient restriction during pregnancy is a major problem worldwide for human and animal production. Arginine (Arg) is critical to health, growth and reproduction. N-carbamylglutamate (NCG), a key enzyme in arginine synthesis, is not extensively degraded in rumen. The aim of this study was to investigate ameliorating effects of rumen-protected arginine (RP-Arg) and NCG supplementation on dietary in undernourished Hu sheep during gestation. From day 35 to 110 of gestation, 32 Hu ewes carrying twin foetuses were randomly divided into four groups: a control (CG) group (n = 8; fed 100% National Research Council (NRC) requirements for pregnant sheep), a nutrient-restricted (RG) group (n = 8; fed 50% NRC requirements, which included 50% mineral-vitamin mixture) and two treatment (Arg and NCG) groups (n = 8; fed 50% NRC requirements supplemented with 20 g/day RP-Arg or 5 g/day NCG, which included 50% mineral-vitamin mixture)...
February 20, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28220506/network-structure-of-perinatal-depressive-symptoms-in-latinas-relationship-to-stress-and-reproductive-biomarkers
#14
Hudson Santos, Eiko I Fried, Josephine Asafu-Adjei, R Jeanne Ruiz
Based on emerging evidence, mood disorders can be plausibly conceptualized as networks of causally interacting symptoms, rather than as latent variables of which symptoms are passive indicators. In an innovative approach in nursing research, we used network analysis to estimate the network structure of 20 perinatal depressive (PND) symptoms. Then, two proof-of-principle analyses are presented: Incorporating stress and reproductive biomarkers into the network, and comparing the network structure of PND symptoms between non-depressed and depressed women...
February 21, 2017: Research in Nursing & Health
https://www.readbyqxmd.com/read/28220481/does-max-open-up-a-new-avenue-for-meiotic-research
#15
REVIEW
Ayumu Suzuki, Masataka Hirasaki, Akihiko Okuda
Meiosis is a central event of sexual reproduction. Like somatic cells, germ cells conduct mitosis to increase their cell number, but unlike somatic cells, germ cells switch their cell division mode from mitosis to meiosis at a certain point in gametogenesis. However, the molecular basis of this switch remains elusive. In this review article, we give an overview of the onset of mammalian meiosis, including our recent finding that MYC Associated Factor X (MAX) prevents ectopic and precocious meiosis in embryonic stem cells (ESCs) and germ cells, respectively...
February 20, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28220342/icons-for-health-effects-of-cigarette-smoke-a-test-of-semiotic-type
#16
Allison J Lazard, Annie Schmidt, Huyen Vu, M Justin Byron, Ellen Peters, Marcella H Boynton, Noel T Brewer
We sought to identify icons to effectively communicate health harms of chemicals in cigarette smoke. Participants were a convenience sample of 701 U.S. adults. A within-subjects online experiment explored the effects of icon semiotic type: symbolic (arbitrary, most abstract), indexical, and iconic (representative, most concrete). Outcomes were perceived representation, affect toward smoking, elaboration, perceived severity, and perceived effectiveness. For not-easy-to-visualize harms of cancer and addiction, symbolic icons received the highest ratings (all p < ...
February 20, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28220337/one-key-question-%C3%A2-first-things-first-in-reproductive-health
#17
Deborah Allen, Michele Stranger Hunter, Susan Wood, Tishra Beeson
Objectives Preconceptional health care is increasingly recognized as important to promotion of healthy birth outcomes. Preconceptional care offers an opportunity to influence pregnancy timing and intent and mother's health status prior to conception, all predictors of individual outcomes and of inequality in birth outcomes based on race, ethnicity and class. Methods One Key Question, a promising practice developed in Oregon which is now attracting national interest, provides an entry point into preconceptional care by calling on providers to screen for pregnancy intent in well woman and chronic disease care for women of reproductive age...
February 20, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28220271/anandamide-oxidative-metabolism-induced-endoplasmic-reticulum-stress-and-apoptosis
#18
M Almada, B M Fonseca, C Amaral, M Diniz-da-Costa, G Correia-da-Silva, N Teixeira
The Endocannabinoid System (ECS) has been recognized as a crucial player in human reproduction. Changes in the levels of anandamide (AEA), the main endocannabinoid (eCB), negatively affect reproductive events, such as implantation, decidualization and placentation. Cyclooxygenase-2 (COX-2) is a major enzyme expressed in the endometrium and its involvement in female reproductive system has evolved over the last few years. Currently, COX-2 oxidative metabolism is emerging as a key mediator of AEA-induced actions...
February 20, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28220080/validation-of-a-method-for-the-assessment-of-urinary-neopterin-levels-to-monitor-health-status-in-non-human-primate-species
#19
Verena Behringer, Jeroen M G Stevens, Fabian H Leendertz, Gottfried Hohmann, Tobias Deschner
Determining individual health status is of great importance for a better understanding of life history trade-offs between growth, reproduction, and maintenance. However, existing immunological methods are invasive and therefore not suitable for investigating health status in wild populations. Thus, there is an urgent need for non-invasive methods to assess the immune status of animals. Neopterin is involved in the cell-mediated pathway of the immune response (Th1-type), secreted during the activation of monocytes and macrophages...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28219466/factors-of-importance-when-selecting-sows-as-embryo-donors
#20
A Nohalez, C A Martinez, J Reixach, M Diaz, J Vila, I Colina, I Parrilla, J L Vazquez, J Roca, M A Gil, H Rodriguez-Martinez, E A Martinez, C Cuello
The improvement in porcine embryo preservation and non-surgical embryo transfer (ET) procedures achieved in recent years represents essential progress for the practical use of ET in the pig industry. This study aimed to evaluate the effects of parity, weaning-to-estrus interval (WEI) and season on reproductive and embryonic parameters at day 6 after insemination of donor sows superovulated after weaning. The selection of donor sows was based on their reproductive history, body condition and parity. The effects of parity at weaning (2 to 3, 4 to 5 or 6 to 7 litters), season (fall, winter and spring), and WEI (estrus within 3 to 4 days), and their interactions on the number of corpus luteum, cysts in sows with cysts, number and quality of viable and transferable embryos, embryo developmental stage and recovery and fertilization rates were evaluated using linear mixed effects models...
February 21, 2017: Animal: An International Journal of Animal Bioscience
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