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https://www.readbyqxmd.com/read/28334280/origin-and-genetic-differentiation-of-pink-flowered-sorbus-hybrids-in-the-western-carpathians
#1
Veronika Uhrinová, Judita Zozomová-Lihová, Dana Bernátová, Juraj Paule, Ladislav Paule, Dušan Gömöry
Background and Aims: Diversity of the genus Sorbus has been affected by interspecific hybridizations. Pink-flowered hybrid species have been insufficiently studied so far. They comprise bigenomic hybrid species derived from crosses S. aria s.l. × S. chamaemespilus and trigenomic ones, where S. aucuparia was involved as well. The main objective of the present study was to reconstruct their hybrid origins as well as to assess genetic distinction among several morphologically recognized hybrid species...
March 13, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28331064/maternal-separation-diminishes-alpha-adrenergic-receptors-density-and-function-in-renal-vasculature-from-male-wistar-kyoto-rats
#2
Analia S Loria, Jeffrey L Osborn
Adult rats exposed to maternal separation (MatSep) are normotensive but display lower glomerular filtration rate and increased renal neuroadrenergic drive. The aim of this study was to determine the renal alpha-adrenergic receptor density and the renal vascular responsiveness to adrenergic stimulation in male rats exposed to MatSep. In addition, baroreflex sensitivity was assessed to determine a component of neural control of the vasculature. Using tissue collected from 4-month-old MatSep and control rats, alpha 1-adrenergic receptors (α1-ARs) were measured in renal cortex and isolated renal vasculature using receptor binding assay, and the α-AR subtype gene expression was determined by RT-PCR...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28330856/-my-friend-who-bought-it-for-me-she-has-had-an-abortion-before-the-influence-of-ghanaian-women-s-social-networks-in-determining-the-pathway-to-induced-abortion
#3
Sarah D Rominski, Jody R Lori, Emmanuel Sk Morhe
BACKGROUND: Even given the liberal abortion law in Ghana, abortion complications are a large contributor to maternal morbidity and mortality. This study sought to understand why young women seeking an abortion in a legally enabling environment chose to do this outside the formal healthcare system. METHODS: Women being treated for complications arising from a self-induced abortion as well as for elective abortions at three hospitals in Ghana were interviewed. Community-based focus groups were held with women as well as men, separately...
March 22, 2017: Journal of Family Planning and Reproductive Health Care
https://www.readbyqxmd.com/read/28329103/pregnancy-at-advanced-maternal-age-affects-behavior-and-hippocampal-gene-expression-in-mouse-offspring
#4
Silvestre Sampino, Adrian Mateusz Stankiewicz, Federica Zacchini, Joanna Goscik, Agnieszka Szostak, Artur Hugo Swiergiel, Gaspare Drago, Jacek Andrzej Modlinski, Grazyna Ewa Ptak
There is growing evidence that advanced maternal age is a risk factor for neurological and neuropsychiatric disorders in offspring. However, it remains unclear whether the altered brain programming induced by advanced maternal age is mediated by pre- or postnatal factors. Here, a mouse model was used to investigate whether pregnancy at advanced age may provoke behavioral and brain gene expression changes in offspring. Swiss Albino mice conceived by 3-month-old males and either 15-18-month-old (n = 11) or 3-month-old control females (n = 5), were delivered by cesarean section, fostered after birth by 3-month-old dams and subjected to a battery of behavioral tests...
February 22, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28325438/fetal-ecg-extraction-via-type-2-adaptive-neuro-fuzzy-inference-systems
#5
Hajar Ahmadieh, Babak Mohammadzadeh Asl
BACKGROUND AND OBJECTIVE: We proposed a noninvasive method for separating the fetal ECG (FECG) from maternal ECG (MECG) by using Type-2 adaptive neuro-fuzzy inference systems. METHODS: The method can extract FECG components from abdominal signal by using one abdominal channel, including maternal and fetal cardiac signals and other environmental noise signals, and one chest channel. The proposed algorithm detects the nonlinear dynamics of the mother's body. So, the components of the MECG are estimated from the abdominal signal...
April 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28325122/the-predicting-factors-and-outcomes-of-caesarean-section-of-the-second-twin
#6
Choi Wah Kong, William Wing Kee To
The aim of this study was to review the indications for caesarean delivery of second twins after vaginal delivery of a first twin (combined delivery) and the associated foetal outcomes of the second twin. Possible factors that could be employed to predict combined delivery were explored. This was a retrospective review of all twin pregnancies delivered in a tertiary maternity unit between 2000 and 2013. All twins (> =24 week gestation) with vaginal delivery of the first twin were reviewed. Of a total of 1039 pairs of twins, 441 pairs had vaginal delivery of the first twin, of which 47 (10...
March 21, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28322134/reproductive-microbiomes
#7
Michael L Power, Caroline Quaglieri, Jay Schulkin
Almost every part of our body has a coevolved microbial community. The expressed microbial genes comprise the various microbiomes that play important roles in normal physiology and development. The various microbiomes are separate, yet often connected, with the species composition of one affecting others. The female reproductive system microbiomes (eg, vaginal, placental, and mammary/milk) remain less well explored than the gut microbiome although they comprise a large proportion of the female microbial network...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28321941/tadpole-begging-reveals-high-quality
#8
Matthew B Dugas, Stephanie A Strickler, Jennifer L Stynoski
Parents can benefit from allocating limited resources non-randomly among offspring, and offspring solicitation (i.e., begging) is often hypothesized to evolve because it contains information valuable to choosy parents. We tested the predictions of three 'honest begging' hypotheses -Signal of Need, Signal of Quality, and Signal of Hunger - in the tadpoles of a terrestrial frog (Oophaga pumilio). In this frog, mothers provision tadpoles with trophic eggs, and when mothers visit, tadpoles perform a putative begging signal by stiffening their bodies and vibrating rapidly...
March 21, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28320871/essential-roles-of-l-type-amino-acid-transporter-1-in-syncytiotrophoblast-development-by-presenting-fusogenic-4f2hc
#9
Ryuichi Ohgaki, Takahiro Ohmori, Saori Hara, Saya Nakagomi, Masami Kanai-Azuma, Kazuko Kaneda-Nakashima, Suguru Okuda, Shushi Nagamori, Yoshikatsu Kanai
Layer(s) of epithelial syncytium, syncytiotrophoblast, differentiates from chorionic trophoblasts via cell fusion and separates maternal and fetal circulations in hemochorial placentas. L-type amino acid transporter 1 (LAT1) and its covalently-linked ancillary subunit 4F2hc are colocalized on both maternal and fetal surface of syncytiotrophoblasts, implying their roles in amino acid transfer through the placental barrier. In this study, LAT1 knockout, in addition, revealed a novel role of LAT1 in syncytiotrophoblast development...
March 20, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28320392/prenatal-and-post-natal-cost-of-small-for-gestational-age-infants-a-national-study
#10
Alicia Marzouk, Antoine Filipovic-Pierucci, Olivier Baud, Vassilis Tsatsaris, Anne Ego, Marie-Aline Charles, François Goffinet, Danièle Evain-Brion, Isabelle Durand-Zaleski
BACKGROUND: Small for gestational age (SGA) infants are at increased risk for preterm birth morbidities as well as a range of adverse perinatal outcomes that result in part from associated premature birth. We sought to evaluate the costs of SGA versus appropriate for gestational age (AGA) infants in France from pregnancy through the first year of life and separate the contributions of prematurity from the contribution of foetal growth on costs. METHODS: This is a cross-sectional population-based study using national hospital discharge data from French public and private hospitals...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28317553/dietary-reconstruction-of-the-el-sidr%C3%A3-n-neandertal-familial-group%C3%A2-spain-in-the-context-of-other-neandertal-and-modern-hunter-gatherer-groups-a-molar-microwear-texture-analysis
#11
Almudena Estalrrich, Sireen El Zaatari, Antonio Rosas
Here, we present the analysis of occlusal molar microwear textures of eight individuals from the El Sidrón Neandertal group (Spain). The aims of the study were: 1) to document potential age-, sex-, and maternal lineage-related differences in diet within a Neandertal familial group, and 2) to place the diet of El Sidrón individuals in the context of those of other Neandertal groups. This study also offers an interpretation of the diet of the El Sidrón Neandertals by comparing their microwear signatures to those of recent hunter-gatherer populations with diverse but known diets...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28316282/motion-compensated-cine-cmr-of-the-fetal-heart-using-radial-undersampling-and-compressed-sensing
#12
Christopher W Roy, Mike Seed, John C Kingdom, Christopher K Macgowan
BACKGROUND: To develop and evaluate a reconstruction framework for high resolution time-resolved CMR of the fetal heart in the presence of motion. METHODS: Data were acquired using a golden angle radial trajectory in seven fetal subjects and reconstructed as real-time images to detect fetal movement. Data acquired during through-plane motion were discarded whereas in-plane motion was corrected. A fetal cardiac gating signal was extracted to sort the corrected data by cardiac phase, allowing reconstruction of cine images...
March 20, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28315233/family-friend-and-media-factors-are-associated-with-patterns-of-weight-control-behavior-among-adolescent-girls
#13
Katherine N Balantekin, Leann L Birch, Jennifer S Savage
PURPOSE: To examine the relationship of family, friend, and media factors on weight-control group membership at 15 years separately and in a combined model. METHODS: Subjects included 166 15 year girls. Latent class analysis identified four patterns of weight-control behaviors: non-dieters, lifestyle, dieters, and extreme dieters. Family (family functioning, priority of the family meals, maternal/paternal weight-teasing, and mother's/father's dieting), friend (weight-teasing and dieting), and media variables (media sensitivity and weekly TV time) were included as predictors of weight-control group membership...
March 17, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28304326/group-b-streptococcus-colonization-and-hiv-in-pregnancy-a-cohort-study-in-nigeria
#14
R Biobaku Oluwafunmilola, O Olaleye Atinukek, F Adefusi Olorunwa, A Adeyemi Babalola, O Onipede Anthony, M Loto Olabisi, O Imaralu John
BACKGROUND: Group B streptococcus (GBS) is a leading cause of maternal and neonatal infectious morbidity. HIV is prevalent among pregnant women in Nigeria. AIM: To determine the rates of anogenital GBS colonization in our institution and compare GBS colonization rates between HIV positive and negative pregnant women. METHODS: A cross-sectional comparative study was conducted over 6 months. Patients were separated according to their HIV status: positive and negative...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28302082/growth-of-hiv-exposed-uninfected-compared-with-hiv-unexposed-zambian-children-a-longitudinal-analysis-from-infancy-to-school-age
#15
Anna Rosala-Hallas, Jonathan W Bartlett, Suzanne Filteau
BACKGROUND: Early growth of HIV-exposed, uninfected (HEU) children is poorer than that of their HIV-unexposed, uninfected (HUU) counterparts but there is little longitudinal or longer term information about the growth effects of early HIV exposure. METHODS: We performed a longitudinal analysis to compare growth of HEU and HUU infants and children using data from two cohort studies in Lusaka, Zambia. Initially 207 HUU and 200 HEU infants from the Breastfeeding and Postpartum Health (BFPH) study and 580 HUU and 165 HEU from the Chilenje Infant Growth, Nutrition and Infection Study (CIGNIS) had anthropometric measurements taken during infancy and again when school-aged, at which time 66 BFPH children and 326 CIGNIS children were available...
March 16, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28301838/the-interplay-between-maternal-nutrition-and-stress-during-pregnancy-issues-and-considerations
#16
Karen L Lindsay, Claudia Buss, Pathik D Wadhwa, Sonja Entringer
BACKGROUND: Several studies about humans and animals have separately examined the effects of prenatal nutrition and stress on fetal development, pregnancy, and birth outcomes, and subsequent child health and disease risk. Although substantial evidence from non-pregnant literature supports the presence of bidirectional interactions between nutrition and stress at various psychological, behavioral, and physiological levels, such interaction effects have not yet been systematically examined in the context of pregnancy...
March 17, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28295303/separation-and-characterization-of-maternal-cardiac-and-vascular-sounds-in-the-third-trimester-of-pregnancy
#17
Diana Riknagel, Henrik Zimmermann, Richard Farlie, Dorte Hammershøi, Samuel E Schmidt, Morten Hedegaard, Peter Humaidan, Johannes J Struijk
OBJECTIVE: To characterize the vascular sounds of the uteroplacental blood flow obtained by microphones. METHODS: The present retrospective study took place in an anechoic chamber facility at Aalborg University, Aalborg, Denmark, in 2012, and included pregnant participants aged 18-40 years with a singleton pregnancy at 32-36 weeks and a parity of 0-2. Abdominal Doppler ultrasonography was performed bilaterally on the uterine arteries. Subsequently, in the same positions, sound recordings were performed with microphones...
March 13, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28295158/first-trimester-ultrasound-tests-alone-or-in-combination-with-first-trimester-serum-tests-for-down-s-syndrome-screening
#18
REVIEW
S Kate Alldred, Yemisi Takwoingi, Boliang Guo, Mary Pennant, Jonathan J Deeks, James P Neilson, Zarko Alfirevic
BACKGROUND: Down's syndrome occurs when a person has three, rather than two copies of chromosome 21; or the specific area of chromosome 21 implicated in causing Down's syndrome. It is the commonest congenital cause of mental disability and also leads to numerous metabolic and structural problems. It can be life-threatening, or lead to considerable ill health, although some individuals have only mild problems and can lead relatively normal lives. Having a baby with Down's syndrome is likely to have a significant impact on family life...
March 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28293483/hippocampal-ampars-involve-the-central-sensitization-of-rats-with-irritable-bowel-syndrome
#19
Aiqin Chen, Yu Chen, Ying Tang, Chengjia Bao, Zizhi Cui, Meng Xiao, Chun Lin
OBJECTIVE: The roles of hippocampal AMPARs were investigated in irritable bowel syndrome (IBS)-like rats to clarify the central sensitization mechanisms. METHODS: IBS model was induced by neonatal maternal separation. The effects of AMPARs on visceral hypersensitivity were examined by the responses of abdominal muscle to colorectal distension after the bilateral intrahippocampal injections of CNQX (an AMPAR inhibitor). The expressions of hippocampal AMPARs (GluR1 and GluR2) were determined by Western blot...
March 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28283267/comparison-of-cytogenetics-and%C3%A2-molecular-karyotyping-for%C3%A2-chromosome-testing-of-miscarriage-specimens
#20
Meera Sridhar Shah, Cengiz Cinnioglu, Melissa Maisenbacher, Ioanna Comstock, Jonathan Kort, Ruth Bunker Lathi
OBJECTIVE: To compare chromosome testing of miscarriage specimens between traditional cytogenetic analysis and molecular karyotyping using single nucleotide polymorphism microarrays (SNP) and array comparative genomic hybridization (aCGH). DESIGN: Prospective blinded cohort study. SETTING: University-based practice. PATIENT(S): Women undergoing dilation and curettage for first-trimester miscarriage between March 2014 and December 2015...
March 7, 2017: Fertility and Sterility
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