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Assisted Reproductive Biology

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https://www.readbyqxmd.com/read/28813274/parenting-in-new-family-forms
#1
REVIEW
Susan Golombok
This paper reviews research on parenting and child development in new family forms including families created by assisted reproductive technologies, same-sex parent families, and families headed by single mothers by choice. The research is examined in the context of the issues and concerns that have been raised regarding these families. The findings not only contest popular assumptions about the psychological consequences for children of being raised in new family forms but also challenge the supremacy of the traditional family...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28718082/low-first-trimester-papp-a-in-ivf-fresh-and-frozen-thawed-pregnancies-likely-due-to-a-biological-cause
#2
Lauren P Hunt, A M McInerney-Leo, S Sinnott, B Sutton, R Cincotta, G Duncombe, J Chua, M Peterson
PURPOSE: The purpose of this study is to confirm a difference in the first-trimester screen maternal biochemistry and false-positive rates (FPR) between pregnancies conceived spontaneously and those conceived via assisted reproductive technologies (ART). METHODS: Retrospective analysis of the complete population of women (17,889 pregnancies) who had undergone first-trimester screening between January 2004 and September 2009 at three private ultrasound clinics in Queensland, Australia was used in the study...
July 17, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28713007/future-fertility-for-individuals-with-differences-of-sex-development-parent-attitudes-and-perspectives-about-decision-making
#3
Emilie K Johnson, Ilina Rosoklija, Angela Shurba, Anthony D'Oro, Elisa J Gordon, Diane Chen, Courtney Finlayson, Jane L Holl
BACKGROUND: Children, adolescents, and young adults (children/youth) with differences/disorders of sex development (DSD) face challenges related to future fertility; this may be due to variations in gonadal development, and, for some, gonadectomy performed to reduce the risk of malignancy. Childhood may be the only time for preservation of biological fertility potential for children/youth who undergo gonadectomy or have early gonadal failure. Fertility-related decision-making for these patients is particularly complicated, due to the need for parental proxy decision-making, potential discordance between gender identity and gonadal type, and uncertain future assisted reproductive technologies...
July 3, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28651359/altered-mirna-and-pirna-profiles-in-cumulus-cells-from-patients-with-diminished-ovarian-reserve
#4
Dawei Chen, Zhiguo Zhang, Beili Chen, Dongmei Ji, Yan Hao, Ping Zhou, Zhaolian Wei, Yunxia Cao
Diminished ovarian reserve (DOR) is defined as decreased number or quality of follicles and oocytes in a woman at childbearing age. It is estimated that up to 10% of women in the general population may suffer from DOR. The present study aims to comprehensively characterize miRNA and piRNA expression profiles in cumulus cells of DOR patients. Cumulus cells were collected from 20 women of similar chronological age who received assisted reproductive technology treatment, 10 with diminished ovarian reserve (DOR), 10 with normal ovarian reserve (NOR)...
June 23, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28638443/dosage-compensation-and-sex-specific-epigenetic-landscape-of-the-x-chromosome-in-the-pea-aphid
#5
Gautier Richard, Fabrice Legeai, Nathalie Prunier-Leterme, Anthony Bretaudeau, Denis Tagu, Julie Jaquiéry, Gaël Le Trionnaire
BACKGROUND: Heterogametic species display a differential number of sex chromosomes resulting in imbalanced transcription levels for these chromosomes between males and females. To correct this disequilibrium, dosage compensation mechanisms involving gene expression and chromatin accessibility regulations have emerged throughout evolution. In insects, these mechanisms have been extensively characterized only in Drosophila but not in insects of agronomical importance. Aphids are indeed major pests of a wide range of crops...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28625714/proteomic-analysis-of-seminal-plasma-from-locally-adapted-curraleiro-p%C3%A3-duro-bulls-bos-taurus-identifying-biomarkers-involved-in-sperm-physiology-in-endangered-animals-for-conservation-of-biodiversity
#6
E B Menezes, R V de Oliveira, M F van Tilburg, E A Barbosa, N V Nascimento, A L M C S Velho, F B Moreno, R A Moreira, A C O Monteiro-Moreira, G M C Carvalho, A F Ramos, E Memili, A A Moura
The present study was aimed at evaluating the seminal plasma proteins and sperm parameters of Curraleiro Pé-Duro bulls. Semen was collected from 10 bulls by electroejaculation, and sperm parameters were evaluated in fresh and frozen-thawed semen. Seminal plasma proteins were analyzed by 2-D SDS-PAGE and mass spectrophotometry. Tools in computational biology were used to generate bioinformatic knowledge and evaluate gene ontology, protein-protein interactions, phylogenetic trees and multiple sequence alignments...
May 29, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28595899/-who-decides-what-data-should-be-recorded-in-the-medical-history-in-relation-to-the-biological-origin
#7
Sergio Gallego Riestra, Isolina Riaño Galán
There is an increasing request by patients or their representatives not to have some data registered in their clinical history or if such data exists to be deleted. Without doubt, this is so because such clinical data is accessed by various professionals who in most cases are not directly involved in caring for such patients. On the other hand, such data is copied and iteratively and unnecessary reproduced in various discharge reports and others forms. The problem arises when such controversial data refer to particularly sensitive clinical aspects such as assisted reproduction techniques, which invades personal and family privacy...
June 5, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28553318/non-coding-rnas-in-the-ovarian-follicle
#8
Rosalia Battaglia, Maria E Vento, Placido Borzì, Marco Ragusa, Davide Barbagallo, Desirée Arena, Michele Purrello, Cinzia Di Pietro
The mammalian ovarian follicle is the complex reproductive unit comprising germ cell, somatic cells (Cumulus and Granulosa cells), and follicular fluid (FF): paracrine communication among the different cell types through FF ensures the development of a mature oocyte ready for fertilization. This paper is focused on non-coding RNAs in ovarian follicles and their predicted role in the pathways involved in oocyte growth and maturation. We determined the expression profiles of microRNAs in human oocytes and FF by high-throughput analysis and identified 267 microRNAs in FF and 176 in oocytes...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28518085/analysis-of-chromosome-segregation-histone-acetylation-and-spindle-morphology-in-horse-oocytes
#9
Federica Franciosi, Irene Tessaro, Rozenn Dalbies-Tran, Cecile Douet, Fabrice Reigner, Stefan Deleuze, Pascal Papillier, Ileana Miclea, Valentina Lodde, Alberto M Luciano, Ghylene Goudet
The field of assisted reproduction has been developed to treat infertility in women, companion animals, and endangered species. In the horse, assisted reproduction also allows for the production of embryos from high performers without interrupting their sports career and contributes to an increase in the number of foals from mares of high genetic value. The present manuscript describes the procedures used for collecting immature and mature oocytes from horse ovaries using ovum pick-up (OPU). These oocytes were then used to investigate the incidence of aneuploidy by adapting a protocol previously developed in mice...
May 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28444613/no-difference-in-congenital-anomalies-prevalence-irrespective-of-insemination-methods-and-freezing-procedure-cohort-study-over-fourteen-years-of-an-art-population-in-the-south-of-france
#10
Any Beltran Anzola, Vanessa Pauly, Debbie Montjean, Line Meddeb, Cendrine Geoffroy-Siraudin, Roland Sambuc, Pierre Boyer, Marie-José Gervoise-Boyer
PURPOSE: A retrospective cohort study was conducted to evaluate and compare the prevalence of congenital anomalies in babies and fetuses conceived after four procedures of assisted reproduction technologies (ART). METHODS: The prevalence of congenital anomalies was compared retrospectively between 2750 babies and fetuses conceived between 2001 and 2014 in vitro fertilization with standard insemination (IVF), IVF with intracytoplasmic sperm injection (ICSI), IVF with frozen embryo transfer (FET-IVF), and ICSI with frozen embryo transfer (FET-ICSI)...
July 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28424471/human-luteinizing-hormone-and-chorionic-gonadotropin-display-biased-agonism-at-the-lh-and-lh-cg-receptors
#11
Laura Riccetti, Romain Yvinec, Danièle Klett, Nathalie Gallay, Yves Combarnous, Eric Reiter, Manuela Simoni, Livio Casarini, Mohammed Akli Ayoub
Human luteinizing hormone (LH) and chorionic gonadotropin (hCG) have been considered biologically equivalent because of their structural similarities and their binding to the same receptor; the LH/CGR. However, accumulating evidence suggest that LH/CGR differentially responds to the two hormones triggering differential intracellular signaling and steroidogenesis. The mechanistic basis of such differential responses remains mostly unknown. Here, we compared the abilities of recombinant rhLH and rhCG to elicit cAMP, β-arrestin 2 activation, and steroidogenesis in HEK293 cells and mouse Leydig tumor cells (mLTC-1)...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416032/physiological-metabolic-and-transcriptional-postnatal-phenotypes-of-in-vitro-fertilization-ivf-in-the-mouse
#12
S K Feuer, P F Rinaudo
Approximately 1-4% of children today are conceived using assisted reproductive technologies (ARTs), including in vitro fertilization (IVF). IVF is considered safe and the great majority of these children are healthy, yet there is increasing physiological and molecular evidence from animal models that ART is associated with postnatal metabolic and cardiovascular alterations. Understanding the mechanisms underlying these changes and determining whether they have biological significance is of paramount importance for optimizing the design of culture conditions and improving the health of ART children across the life course...
April 18, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28415992/women-epidemiology-lung-cancer-welca-study-reproductive-hormonal-occupational-risk-factors-and-biobank
#13
MULTICENTER STUDY
Isabelle Stücker, Diane Martin, Monica Neri, Pierre Laurent-Puig, Hélène Blons, Martine Antoine, Anne Guiochon-Mantel, Sylvie Brailly-Tabard, Marianne Canonico, Marie Wislez, Jean Trédaniel
BACKGROUND: Lung cancer aetiology and clinical aspects have been mainly studied in men, although specific risk factors probably exist in women. Here we present the rationale, design and organization of the WELCA study (Women Epidemiology Lung CAncer) that has been launched to investigate lung cancer in women, focusing particularly on hormonal and occupational factors. METHODS/DESIGN: WELCA is a population based case-control study and planned to recruit 1000 cases and 1000 controls in three years, based on study power calculation...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28411869/detection-of-endocrine-disrupting-chemicals-and-evidence-of-their-effects-on-the-hpg-axis-of-the-european-anchovy-engraulis-encrasicolus
#14
Andrea Miccoli, Francesca Maradonna, Andrea De Felice, Vincenzo Caputo Barucchi, Andone Estonba, Michele Genangeli, Sauro Vittori, Iole Leonori, Oliana Carnevali
Natural/synthetic Endocrine Disrupting Chemicals (EDCs) may display estrogenic activity and a lower potency than 17β-estradiol. Nonetheless, their concentrations and additive effects can affect the endocrine system and reproductive processes related to the Hypothalamic-Pituitary-Gonadal (HPG) axis. Because of their persistence in both the environment and biological systems, they ultimately target multi-level predators, including humans. We detected presence and effects of xenobiotics on wild anchovy Engraulis encrasicolus in the Western Adriatic Sea...
June 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28410128/genomics-tool-to-predict-and-prevent-male-infertility
#15
REVIEW
Ashutosh Halder, Prashant Kumar, Manish Jain, Amanpreet Kaur Kalsi
A large number of human diseases arise as a result of genetic abnormalities. With the advent of improved molecular biology techniques, the genetic etiology of male infertility is increasing. The common genetic factors responsible for male infertility are chromosomal abnormalities, Yq microdeletion and cystic fibrosis. These are responsible for approximately 30 percent cases of male infertility. About 40 percent cases of male infertility are categorized as idiopathic. These cases may be associated with genetic and genomic abnormalities...
June 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28407862/lipid-profiles-of-follicular-fluid-from-cows-submitted-to-ovarian-superstimulation
#16
P H Santos, P K Fontes, F F Franchi, M F G Nogueira, K R A Belaz, A Tata, M N Eberlin, M J Sudano, C M Barros, A C S Castilho
Ovarian superstimulation with exogenous gonadotropins has been extensively used to produce in vivo-derived embryos for embryo transfer in cattle. This process modifies the antral follicle microenvironment and affects oocyte and embryo quality as well the differentiation of granulosa cells. Lipids play significant roles in the cell, such as energy storage, cell structure, and fine-tuning of the physical properties and functions of biological membranes. The phospholipid (PL) contents as well as the effects of superstimulatory treatments on the PL profile of follicular fluid from cows, however, remain unknown...
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28401811/hooked-on-a-feeling-exploring-desires-and-solutions-in-infertility-accounts-given-by-women-with-atypical-sex-development
#17
Lisa Guntram
Sociocultural meanings accorded to infertility, and rapid developments in assisted reproductive technologies, have long been central concerns in feminist and social scientific research. However, knowledge is scarce concerning how individuals make sense of infertility when it is disclosed in adolescence, for example as the result of an 'atypical' sex development, rather than as a result of failed conception. This article examines how understandings of desires, kinship and 'solutions' take shape and are negotiated in the accounts women give of infertility resulting from 'atypical' sex development...
January 1, 2017: Health (London)
https://www.readbyqxmd.com/read/28397398/proteomic-profile-of-mabuya-sp-squamata-scincidae-ovary-and-placenta-during-gestation
#18
Nathaly Hernández-Díaz, Rodrigo Torres, Martha Patricia Ramírez-Pinilla
Reptiles are one of the most diverse groups of vertebrates, providing an integrated system for comparative studies on metabolic, animal physiology, and developmental biology. However, the molecular data available are limited and only recently have started to call attention in the "omics" sciences. Mabuya sp. is a viviparous placentrotrophic skink with particular reproductive features, including microlecithal eggs, early luteolysis, prolonged gestation, and development of a highly specialized placenta. This placenta is responsible for respiratory exchange and the transference of all nutrients necessary for embryonic development...
April 11, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28386738/manufacturing-of-recombinant-human-follicle-stimulating-hormone-ovaleap-%C3%A2-xm17-comparability-with-gonal-f-%C3%A2-and-performance-consistency
#19
Rainer Winstel, Juergen Wieland, Beate Gertz, Arnd Mueller, Hermann Allgaier
Ovaleap(®) (XM17) is a recombinant human follicle-stimulating hormone to treat infertility by inducing ovulation or controlled ovarian stimulation for assisted reproductive technology (ART) procedures. Ovaleap(®) (follitropin-α) was approved by the European Medicines Agency in 2013 as a biosimilar medicinal product to the reference medicine, Gonal-f(®). Information is often not easily accessible and/or publicly available regarding the rigorous manufacturing procedures for biosimilars. Objectives of the current analysis were to report on validation procedures for the Ovaleap(®) manufacturing process, to compare the characteristics of Ovaleap(®) versus Gonal-f(®), and to describe the performance and consistency of Ovaleap(®)...
June 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28369546/microfluidics-in-reproductive-biology-applying-lab-on-a-chip-technologies-to-assisted-reproduction
#20
Shawn L Chavez
No abstract text is available yet for this article.
April 1, 2017: Molecular Human Reproduction
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