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https://www.readbyqxmd.com/read/29351609/inequity-in-contraceptive-care-between-refugees-and-other-migrant-women-a-retrospective-study-in-dutch-general-practice
#1
Liselotte A D Raben, Maria E T C van den Muijsenbergh
Background: Female refugees are at high risk of reproductive health problems including unmet contraceptive needs. In the Netherlands, the general practitioner (GP) is the main entrance to the healthcare system and plays a vital role in the prescription of contraceptives. Little is known about contraceptive care in female refugees in primary care. Objective: To get insight into GP care related to contraception in refugees and other migrants compared with native Dutch women...
January 17, 2018: Family Practice
https://www.readbyqxmd.com/read/29351591/could-seasonally-deteriorating-environments-favour-the-evolution-of-autogamous-selfing-and-a-drought-escape-physiology-through-indirect-selection-a-test-of-the-time-limitation-hypothesis-using-artificial-selection-in-clarkia
#2
Simon K Emms, Alisa A Hove, Leah S Dudley, Susan J Mazer, Amy S Verhoeven
Background and Aims: The evolution of selfing from outcrossing may be the most common transition in plant reproductive systems and is associated with a variety of ecological circumstances and life history strategies. The most widely discussed explanation for these associations is the reproductive assurance hypothesis - the proposition that selfing is favoured because it increases female fitness when outcross pollen receipt is limited. Here an alternative explanation, the time limitation hypothesis, is addressed, one scenario of which proposes that selfing may evolve as a correlated response to selection for a faster life cycle in seasonally deteriorating environments...
January 17, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29351020/a-dynamic-state-model-of-migratory-behavior-and-physiology-to-assess-the-consequences-of-environmental-variation-and-anthropogenic-disturbance-on-marine-vertebrates
#3
Enrico Pirotta, Marc Mangel, Daniel P Costa, Bruce Mate, Jeremy A Goldbogen, Daniel M Palacios, Luis A Hückstädt, Elizabeth A McHuron, Lisa Schwarz, Leslie New
Integrating behavior and physiology is critical to formulating new hypotheses on the evolution of animal life-history strategies. Migratory capital breeders acquire most of the energy they need to sustain migration, gestation, and lactation before parturition. Therefore, when predicting the impact of environmental variation on such species, a mechanistic understanding of the physiology of their migratory behavior is required. Using baleen whales as a model system, we developed a dynamic state variable model that captures the interplay among behavioral decisions, energy, reproductive needs, and the environment...
February 2018: American Naturalist
https://www.readbyqxmd.com/read/29350886/the-cell-biology-and-molecular-genetics-of-m%C3%A3-llerian-duct-development
#4
REVIEW
Zahida Yesmin Roly, Brendan Backhouse, Andrew Cutting, Tiong Yang Tan, Andrew H Sinclair, Katie L Ayers, Andrew T Major, Craig A Smith
The Müllerian ducts are part of the embryonic urogenital system. They give rise to mature structures that serve a critical function in the transport and development of the oocyte and/or embryo. In most vertebrates, both sexes initially develop Müllerian ducts during embryogenesis, but they regress in males under the influence of testis-derived Anti-Müllerian Hormone (AMH). A number of regulatory factors have been shown to be essential for proper duct development, including Bmp and Wnt signaling molecules, together with homeodomain transcription factors such as PAX2 and LIM1...
January 19, 2018: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/29348515/genetic-evidence-for-panmixia-in-a-colony-breeding-crater-lake-cichlid-fish
#5
T K Lehtonen, K R Elmer, M Lappalainen, A Meyer
Fine-scaled genetic structuring, as seen for example in many lacustrine fish, typically relates to the patterns of migration, habitat use, mating system or other ecological factors. Because the same processes can also affect the propensity of population differentiation and divergence, assessments of species from rapidly speciating clades, or with particularly interesting ecological traits, can be especially insightful. For this study, we assessed the spatial genetic relationships, including the genetic evidence for sex-biased dispersal, in a colony-breeding cichlid fish, Amphilophus astorquii, endemic to Crater Lake Apoyo in Nicaragua, using 11 polymorphic microsatellite loci (n = 123 individuals from three colonies)...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29346424/higher-sequence-diversity-in-the-vaginal-tract-than-in-blood-at-early-hiv-1-infection
#6
Katja Klein, Gabrielle Nickel, Immaculate Nankya, Fred Kyeyune, Korey Demers, Emmanuel Ndashimye, Cynthia Kwok, Pai-Lien Chen, Sandra Rwambuya, Art Poon, Marshall Munjoma, Tsungai Chipato, Josaphat Byamugisha, Peter Mugyenyi, Robert A Salata, Charles S Morrison, Eric J Arts
In the majority of cases, human immunodeficiency virus type 1 (HIV-1) infection is transmitted through sexual intercourse. A single founder virus in the blood of the newly infected donor emerges from a genetic bottleneck, while in rarer instances multiple viruses are responsible for systemic infection. We sought to characterize the sequence diversity at early infection, between two distinct anatomical sites; the female reproductive tract vs. systemic compartment. We recruited 72 women from Uganda and Zimbabwe within seven months of HIV-1 infection...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29346375/how-do-we-reach-the-girls-and-women-who-are-the-hardest-to-reach-inequitable-opportunities-in-reproductive-and-maternal-health-care-services-in-armed-conflict-and-forced-displacement-settings-in-colombia
#7
Juan Carlos Rivillas, Raul Devia Rodriguez, Gloria Song, Andréanne Martel
OBJECTIVES: This paper assesses inequalities in access to reproductive and maternal health services among females affected by forced displacement and sexual and gender-based violence in conflict settings in Colombia. This was accomplished through the following approaches: first, we assessed the gaps and gradients in three selected reproductive and maternal health care services. Second, we analyzed the patterns of inequalities in reproductive and maternal health care services and changes over time...
2018: PloS One
https://www.readbyqxmd.com/read/29346340/disparities-in-preconception-health-indicators-%C3%A2-behavioral-risk-factor-surveillance-system-2013-2015-and-pregnancy-risk-assessment-monitoring-system-2013-2014
#8
Cheryl Robbins, Sheree L Boulet, Isabel Morgan, Denise V D'Angelo, Lauren B Zapata, Brian Morrow, Andrea Sharma, Charlan D Kroelinger
PROBLEM/CONDITION: Preconception health is a broad term that encompasses the overall health of nonpregnant women during their reproductive years (defined here as aged 18-44 years). Improvement of both birth outcomes and the woman's health occurs when preconception health is optimized. Improving preconception health before and between pregnancies is critical for reducing maternal and infant mortality and pregnancy-related complications. The National Preconception Health and Health Care Initiative's Surveillance and Research work group suggests ten prioritized indicators that states can use to monitor programs or activities for improving the preconception health status of women of reproductive age...
January 19, 2018: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/29344168/mir-124-inhibits-invasion-and-induces-apoptosis-of-ovarian-cancer-cells-by-targeting-programmed-cell-death-6
#9
Li Yuan, Shaolin Li, Qi Zhou, Dong Wang, Dongling Zou, Jin Shu, Yu Huang
Epithelial ovarian cancer remains the most common type of malignant tumor of the female reproductive system worldwide. Routine surgery and chemotherapy are the best treatments available for patients with ovarian cancer; however, almost 40% of ovarian cancer cases are intractable, with poor 5-year survival rates. MicroRNAs (miRNA) are endogenous small non-coding RNA molecules that function in transcriptional and post-transcriptional regulation of gene expression in various cellular processes. Recent studies demonstrated that microRNA (miR)-124 was downregulated in numerous types of tumors; however, the function and mechanism underlying miR-124 in epithelial ovarian cancer remain unclear...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29342962/functional-analyses-of-runx3-and-camkiin%C3%AE-in-ovarian-cancer-cell-lines-reveal-tumor-suppressive-functions-for-camkiin%C3%AE-and-dichotomous-roles-for-runx3-transcript-variants
#10
Karolin Heinze, Daniel Kritsch, Alexander S Mosig, Matthias Dürst, Norman Häfner, Ingo B Runnebaum
(1) Background: Epithelial ovarian cancer (EOC) is the most lethal cancer of the female reproductive system. In an earlier study, we identified multiple genes as hypermethylated in tumors of patients with poor prognosis. The most promising combination of markers to predict a patient's outcome was CaMKIINα and RUNX3. Aim of this study was to functionally validate the importance of both genes. (2) Methods: IC50 measurements, cell cycle distribution-, proliferation, and migration experiments were conducted after transgene overexpression in two EOC cell lines...
January 15, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29339452/effects-of-colostrum-feeding-method-and-oral-igf1-on-porcine-uterine-development
#11
Ashley F George, Kathleen M Rahman, Dori J Miller, Anne A Wiley, Meredith E Camp, Frank Bartol, Carol A Bagnell
Nursing ensures lactocrine delivery of maternally-derived, milk-borne bioactive factors to offspring, which affects postnatal development of female reproductive tract tissues. Disruption of lactocrine communication for two days from birth (postnatal day = PND 0) by feeding milk replacer in lieu of nursing or consumption of colostrum alters porcine uterine gene expression globally by PND 2 and inhibits uterine gland genesis by PND 14. Here, objectives were to determine effects of: 1) nursing or milk replacer feeding from birth; 2) a single dose of colostrum or milk replacer and method of feeding; and 3) a single feeding of colostrum or milk replacer, with or without oral supplementation of IGF1, administered at birth on aspects of porcine uterine development at 12 h postnatally...
January 16, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29339143/gene-silencing-reveals-multiple-functions-of-na-k-atpase-in-the-salmon-louse-lepeophtheirus-salmonis
#12
Anna Z Komisarczuk, Heidi Kongshaug, Frank Nilsen
Na+/K+-ATPase has a key function in a variety of physiological processes including membrane excitability, osmoregulation, regulation of cell volume, and transport of nutrients. While knowledge about Na+/K+-ATPase function in osmoregulation in crustaceans is extensive, the role of this enzyme in other physiological and developmental processes is scarce. Here, we report characterization, transcriptional distribution and likely functions of the newly identified L. salmonis Na+/K+-ATPase (LsalNa+/K+-ATPase) α subunit in various developmental stages...
January 12, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29328538/conflict-between-heterozygote-advantage-and-hybrid-incompatibility-in-haplodiploids-and-sex-chromosomes
#13
Ana-Hermina Ghenu, Alexandre Blanckaert, Roger K Butlin, Jonna Kulmuni, Claudia Bank
In many diploid species the sex chromosomes play a special role in mediating reproductive isolation. In haplodiploids, where females are diploid and males haploid, the whole genome behaves similarly to the X/Z chromosomes of diploids. Therefore, haplodiploid systems can serve as a model for the role of sex chromosomes in speciation and hybridization. A previously described population of Finnish Formica wood ants displays genome-wide signs of ploidally and sexually antagonistic selection resulting from hybridization...
January 12, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29328511/stigma-and-unmet-sexual-and-reproductive-health-needs-among-international-migrant-sex-workers-at-the-mexico-guatemala-border
#14
Teresita Rocha-Jiménez, Sonia Morales-Miranda, Carmen Fernández-Casanueva, Kimberly Brouwer, Shira M Goldenberg
OBJECTIVE: To explore international migrant sex workers' experiences and narratives pertaining to the unmet need for and access to sexual and reproductive health (SRH) at the Mexico-Guatemala border. METHODS: An inductive qualitative analysis was conducted based on ethnographic fieldwork (2012-2015) including participant observation and audio-recorded in-depth interviews. The participants were female sex workers aged 18 years or older and international migrants working at the Mexico-Guatemala border...
January 12, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29324596/preterm-delivery-and-low-birth-weight-among-neonates-conceived-with-intracytoplasmic-sperm-injection-compared-with-conventional-in-vitro-fertilization
#15
Sanaz Keyhan, Tracy Truong, Yi-Ju Li, Tia Jackson-Bey, Jennifer L Eaton
OBJECTIVE: To examine the prevalence of prematurity and low birth weight (LBW) among singletons conceived with intracytoplasmic sperm injection (ICSI) compared with those conceived with conventional in vitro fertilization (IVF). METHODS: Using the Society for Assisted Reproductive Technology Clinic Outcomes Reporting System, we conducted a retrospective cohort study of women undergoing a first, fresh autologous ICSI or conventional IVF cycle from 2004 to 2013. Singleton live births were included in the analysis...
January 9, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29321869/imitating-the-cost-of-males-a-hypothesis-for-coexistence-of-all-female-sperm-dependent-species-and-their-sexual-host
#16
Christelle Leung, Bernard Angers
All-female sperm-dependent species are particular asexual organisms that must coexist with a closely related sexual host for reproduction. However, demographic advantages of asexual over sexual species that have to produce male individuals could lead both to extinction. The unresolved question of their coexistence still challenges and fascinates evolutionary biologists. As an alternative hypothesis, we propose those asexual organisms are afflicted by a demographic cost analogous to the production of males to prevent exclusion of the host...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29318745/tissue-distribution-of-some-immune-cells-in-bovine-reproductive-tract-during-follicular-and-luteal-phase
#17
Mehmet Erdem Akbalik, Narin Liman, Hakan Sagsoz, Berna Guney Saruhan
More recent studies indicate that immune cells which secrete their secretory products or cytokines play an important role in reproductive system. In our study, immune cell populations (CD8+ T lymphocytes, CD68+ macrophages, plasma cells, siderophages, eosinophils) and expression of major histocompatibility complex (MHC) class I and class II were examined in female reproductive tract during follicular (n = 13) and luteal phase (n = 10). Plasma cells and eosinophil granulocytes are present in few numbers in luminal epithelium, but abundant in longitudinal muscle layer of uterus, whereas siderophages are the dominant cell type in stroma...
January 10, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29313303/ecologically-relevant-exposure-to-methylmercury-during-early-development-does-not-affect-adult-phenotype-in-zebra-finches-taeniopygia-guttata
#18
Spencer A M Morran, John E Elliott, Jessica M L Young, Margaret L Eng, Niladri Basu, Tony D Williams
Methylmercury causes behavioural and reproductive effects in adult mammals via early developmental exposure. Similar studies in birds are limited and mostly focussed on aquatic systems, but recent work has reported high blood mercury concentrations in terrestrial, passerine songbirds. We used the zebra finch (Taeniopygia guttata) as a model to explore the long-term effects of early developmental exposure to methylmercury exposure. Chicks were dosed orally with either the vehicle control, 0.0315 µg Hg/g bw/day, or 0...
January 8, 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29312650/nanoparticles-and-female-reproductive-system-how-do-nanoparticles-affect-oogenesis-and-embryonic-development
#19
REVIEW
Cong-Cong Hou, Jun-Quan Zhu
Along with the increasing application of nanoparticles (NPs) in many walks of life, environmental exposure to NPs has raised considerable health concerns. When NPs enter a pregnant woman's body through inhalation, venous injection, ingestion or skin permeation, maternal toxic stress reactions such as reactive oxygen species (ROS), inflammation, apoptosis and endocrine dyscrasia are induced in different organs, particularly in the reproductive organs. Recent studies have shown that NPs disturb the developing oocyte by invading the protective barrier of theca cells, granulosa cell layers and zona pellucida...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29306553/knockout-of-autophagy-gene-atg5-in-mice-vaginal-cells-abrogates-cytokine-response-and-pathogen-clearance-during-vaginal-infection-of-candida-albicans
#20
Ankit Shroff, Roicy Sequeira, Vainav Patel, K V R Reddy
The female reproductive tract (FRT) presents a unique challenge to the mucosal immune system as it needs to monitor constantly for the presence of opportunistic pathogens amidst its commensal flora. During infection, autophagy plays a critical role in pathogen clearance, presentation of antigens and production of pro-inflammatory cytokines. However, no information is available that describes the role of autophagy in mouse vaginal infection of Candida albicans. The objective of our study is to evaluate the effect of autophagy gene, ATG5 knockout in vaginal cells in response to vaginal C...
December 28, 2017: Cellular Immunology
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