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https://www.readbyqxmd.com/read/28273228/determinants-of-infant-mortality-in-the-jequitinhonha-valley-and-in-the-north-and-northeast-regions-of-brazil
#1
Maria do Carmo Leal, Sonia Duarte de Azevedo Bittencourt, Raquel Maria Cardoso Torres, Roberta Pereira Niquini, Paulo Roberto Borges de Souza
OBJECTIVE: This study aims to identify the social and demographic determinants, in addition to the determinants of reproductive health and use of health services, associated with infant mortality in small and medium-sized cities of the North, Northeast and Southeast regions of Brazil. METHODS: This is a case-control study with 803 cases of death of children under one year and 1,969 live births (controls), whose mothers lived in the selected cities in 2008. The lists of the names of cases and controls were extracted from the Sistema de Informação sobre Mortalidade (SIM - Mortality Information System) and the Sistema de Informação sobre Nascidos Vivos (SINASC - Live Birth Information System) and supplemented by data obtained by the research of "active search of death and birth"...
March 2, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28272686/ambiguous-genitalia-associated-with-an-extremely-rare-syndrome-a-case-report-of-xlag-syndrome-and-review-of-the-literature
#2
Brijnandan Gupta, Prashant Ramteke, V K Paul, Tarun Kumar, Prasenjit DAS
X-linked lissencephaly, absent corpus callosum, and epilepsy of neonatal onset with ambiguous genitalia comprises the XLAG syndrome and only 15 cases have been reported in literature. Due to its rarity, the exact clinical course and outcome are not known. Exact associations of this disease are also elusive. Hereby we are reporting this extremely rare entity and we searched the English literature extensively to get consolidated knowledge regarding this entity that would help the readers. Pre-natal radiological work-up can detect these malformations, which should be followed by medical termination, counseling and karyotyping...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28242416/an-endocrine-basis-for-tomboy-identity-the-second-to-fourth-digit-ratio-2d-4d-in-tomboys
#3
Beth M Atkinson, Tom V Smulders, Joel C Wallenberg
This paper investigates the relationship between organizational effects of pre-natal testosterone and the use of "tomboy" as a descriptor for young women. We show in a sample of 44 women that a woman's right hand 2D:4D ratio is a significant predictor of whether they will be labeled as a "tomboy", with a decrease in 2D:4D ratio corresponding to an increase in the probability of being called "tomboy". Taking the right hand 2D:4D ratio as a proxy for the abundance of testosterone in the early life hormonal milieu, we propose that organizing effects of higher pre-natal T lead to increased masculine-typical behavior in childhood, which increases the likelihood some women will be referred to as tomboys...
February 1, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28202650/contrasting-effects-of-increased-yolk-testosterone-content-on-development-and-oxidative-status-in-gull-embryos
#4
Marco Parolini, Andrea Romano, Cristina Daniela Possenti, Manuela Caprioli, Diego Rubolini, Nicola Saino
Hormone-mediated maternal effects generate variation in offspring phenotype. In birds, maternal egg testosterone (T) exerts differential effects on offspring traits after hatching, suggesting that mothers experience a trade-off between contrasting T effects. However, there is very little information on T pre-natal effects. In the yellow-legged gull (Larus michahellis), we increased yolk T concentration within physiological limits and measured the effects on development and oxidative status of late-stage embryos...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28178298/the-impact-of-prenatal-exposure-to-parasitic-infections-and-to-anthelminthic-treatment-on-antibody-responses-to-routine-immunisations-given-in-infancy-secondary-analysis-of-a-randomised-controlled-trial
#5
Stephen Nash, Alexander J Mentzer, Swaib A Lule, Dennison Kizito, Gaby Smits, Fiona R M van der Klis, Alison M Elliott
BACKGROUND: Chronic parasitic infections are associated with active immunomodulation which may include by-stander effects on unrelated antigens. It has been suggested that pre-natal exposure to parasitic infections in the mother impacts immunological development in the fetus and hence the offspring's response to vaccines, and that control of parasitic infection among pregnant women will therefore be beneficial. METHODOLOGY/PRINCIPAL FINDINGS: We used new data from the Entebbe Mother and Baby Study, a trial of anthelminthic treatment during pregnancy conducted in Uganda, to further investigate this hypothesis...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28146189/-young-women-with-hiv-infection-acquired-by-vertical-transmission-expectations-of-having-uninfected-children
#6
Julia Villarroel, Ana M Álvarez, Francisco Salvador, Ana Chávez, Elba Wu, Verónica Contardo
INTRODUCTION: Pediatric antiretroviral therapy (ART), changed the prognosis of the disease, allowing young women infected by vertical transmission (TV) to be pregnant without risk for their fetus of acquiring this infection. AIM: To describe the clinical-immune status in pregnant women that acquired HV by vertical transmission, treatments received, monitoring of pregnancy and newborn characteristics. MATERIAL AND METHODS: A protocol was performed, evaluating clinical and immunological parameters during pregnancy, ART used, protocol preventing vertical transmission (PPTV), and follow up of children to 18 months of age...
December 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28076526/perception-of-pre-and-post-hiv-test-counseling-among-patients-diagnosed-with-aids-in-adolescence-hiv-test-counseling-for-adolescents
#7
Stella Regina Taquette, Adriana de Oliveira Rodrigues, Lívia Rocha Bortolotti
Pre- and post-HIV test counseling has singular importance in adolescence, since it is a phase of great changes, and AIDS is an incurable chronic disease. In order to comprehend the perception of young people with AIDS diagnosed in adolescence regarding the counseling received upon testing, we conducted 39 in-depth interviews, with 23 in female patients and 16 male patients, and then analyzed the data with extensive reading, categorization and interpretation on a comprehensive basis. The results revealed that less than one third received pre-test counseling (30...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28056489/use-of-high-frequency-ultrasound-to-study-the-prenatal-development-of-cranial-neural-tube-defects-and-hydrocephalus-in-gldc-deficient-mice
#8
Maria C Autuori, Yun J Pai, Daniel J Stuckey, Dawn Savery, Anna M Marconi, Valentina Massa, Mark F Lythgoe, Andrew J Copp, Anna L David, Nicholas D E Greene
OBJECTIVE: We used non-invasive high-frequency ultrasound (HFUS) imaging to investigate embryonic brain development in a mouse model for neural tube defects (NTDs) and non-ketotic hyperglycinemia (NKH). METHOD: Using HFUS, we imaged embryos carrying loss of function alleles of Gldc encoding glycine decarboxylase, a component of the glycine cleavage system in mitochondrial folate metabolism, which is known to be associated with cranial NTDs and NKH in humans. We serially examined the same litter during the second half of embryonic development and quantified cerebral structures...
March 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28004771/spatially-resolved-proteomics-rapid-quantitative-analysis-of-laser-capture-microdissected-alveolar-tissue-samples
#9
Geremy Clair, Paul D Piehowski, Teodora Nicola, Joseph A Kitzmiller, Eric L Huang, Erika M Zink, Ryan L Sontag, Daniel J Orton, Ronald J Moore, James P Carson, Richard D Smith, Jeffrey A Whitsett, Richard A Corley, Namasivayam Ambalavanan, Charles Ansong
Laser capture microdissection (LCM)-enabled region-specific tissue analyses are critical to better understand complex multicellular processes. However, current proteomics workflows entail several manual sample preparation steps and are challenged by the microscopic mass-limited samples generated by LCM, impacting measurement robustness, quantification and throughput. Here, we coupled LCM with a proteomics workflow that provides fully automated analysis of proteomes from microdissected tissues. Benchmarking against the current state-of-the-art in ultrasensitive global proteomics (FASP workflow), our approach demonstrated significant improvements in quantification (~2-fold lower variance) and throughput (>5 times faster)...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27989075/maldi-imaging-mass-spectrometry-as-a-lipidomic-approach-to-heart-valve-research
#10
Peggi M Angel, Ahmed S Bayoumi, Robert B Hinton, Yan Ru Su, David Bichell, John E Mayer, H Scott Baldwin, Richard M Caprioli
BACKGROUND: Valvular disease is characterized in part by lipid deposition, but systematic analysis of the patterns of global lipid expression in healthy and diseased valve tissues are unknown. This is due in part to tissue limitations for lipidomic preparations and technologies for evaluating lipid distribution in tissues. The study aim was to examine the application of matrixassisted laser desorption ionization imaging mass spectrometry (MALDI IMS) to the aortic valve during development and disease, as an approach to detect and map lipids and ultimately better understand valve structure and function...
March 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27982391/using-the-bologna-score-to-assess-normal-delivery-healthcare
#11
Isaiane da Silva Carvalho, Rosineide Santana de Brito
OBJECTIVE: Describing the obstetric care provided in public maternity hospitals during normal labour using the Bologna Score in the city of Natal, Northeastern Brazil. METHOD: A quantitative cross-sectional study conducted with 314 puerperal women. Data collection was carried out consecutively during the months of March to July 2014. RESULTS: Prenatal care was provided to 95.9% of the mothers, beginning around the 1st trimester of pregnancy (72...
September 2016: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/27910180/internal-migration-and-maternal-health-service-utilisation-in-jiangsu-china
#12
Hai Gu, Hua You, Weiqing Ning, Hua Zhou, Jianming Wang, Ying Lu, Jun Sun, Yun Kou, Hengjin Dong
OBJECTIVES: To investigate the use of maternal health care services by internal migrants in view of their migration status. METHODS: Cross-sectional household survey in two cities of Jiangsu Province. Questions elicited data on socioeconomic information and MHC service use (pre-natal examination, post-natal visit, pre-natal health education). Chi-square tests and multivariate logistic regression analyses were used to identify factors associated with MHC service use...
February 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/27891327/analysis-of-fetal-palate-to-assist-pre-natal-ultrasound
#13
Anjali Shastry, Yogitha Ravindranath, Roopa Ravindranath
INTRODUCTION: Cleft palate is one of the major facial congenital malformation in newborns. Pre-natal detection of this malformation is limited to detection of clefting of hard palate but isolated soft palate clefting still remains challenge for sonologists. As Indian literature is limited present study was attempted to provide dimensions and position of fetal palate by digitized images. AIM: To study dimensions, position and differences in parameters between second and third trimester fetuses...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27856333/novel-homozygous-missense-mutation-in-aldh7a1-causes-neonatal-pyridoxine-dependent-epilepsy
#14
Emanuele G Coci, Luca Codutti, Christian Fink, Sophie Bartsch, Gunnar Grüning, Thomas Lücke, Ingo Kurth, Joachim Riedel
Pyridoxine dependent epilepsy (PDE) (OMIM#266100) is a neonatal form of epilepsy, caused by dysfunction of the enzyme α-aminoadipic semialdehyde dehydrogenase (ALDH7A1 or Antiquitin). This enzyme converts α-aminoadipic semialdehyde (α-AASA) into α-aminoadipate (AAA), a critical step in the lysine metabolism of the brain. ALDH7A1 dysfunction causes an accumulation of α-AASA and δ(1)-piperideine-6-carboxylic acid (P6C), which are in equilibrium with each other. P6C binds and inactivates pyridoxal 5'-phosphate (PLP), the active form of pyridoxine...
November 14, 2016: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/27856159/pre-implantation-genetic-diagnosis
#15
REVIEW
Joanne Traeger-Synodinos
The aim of pre-implantation genetic diagnosis (PGD) is to characterize the genetic status of the cells (usually single cells) that have been biopsied from oocytes/zygotes or embryos created in vitro during assisted reproductive treatment. PGD is a multi-step procedure that requires close collaboration between gynaecologists who are experts in assisted reproduction, embryologists who are experts in micromanipulation of germ cells and in embryo biopsy and geneticists who are experts in genetic analysis at the single-cell level...
February 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27847257/new-trend-in-the-epidemiology-of-thalassaemia
#16
REVIEW
Chi-Kong Li
Thalassaemia is the most common monogenic disorder worldwide. It is common in areas with prevalent malaria as thalassaemic red cells provide immunity against the parasite. The incidence of thalassaemia carriers is high in regions such as Mediterranean, Middle East, Indian subcontinent, Southeast Asia and South China. In the past few decades, migrants from the thalassaemia prevalent countries to non-prevalent countries, mainly North America and Central and North Europe, are rapidly increasing in number. The non-prevalent countries may not have established pre-natal screening system for thalassaemia...
February 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27824070/modeling-the-development-of-the-post-natal-mouse-thymus-in-the-absence-of-bone-marrow-progenitors
#17
Daniela Zaharie, Radu D Moleriu, Felix A Mic
Many mathematical models have been published with the purpose of explaining aspects of T-cell development in the thymus. In this manuscript we adapted a four-compartment model of the thymus and used a range of mathematical approaches with the aim of explaining the dynamics of the four main thymocyte populations in the mouse thymus, from the emergence of the first fetal thymocyte until the death of the animal. At various pre-natal and post-natal stages we investigated experimentally the number and composition of thymocytes populations, their apoptosis and proliferation, along with data from literature, to create and validate the model...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27809754/haemophilia-b-curative-fix-production-from-a-low-dose-ucoe-based-lentiviral-vector-following-hepatic-pre-natal-delivery
#18
Vincent Yu-Cheng Kao, Sonia Ferreira, Simon Nicholas Waddington, Michael Nicholas Antoniou
The ubiquitous chromatin opening element from the human HNRPA2B1-CBX3 housekeeping gene locus (A2UCOE) is able to provide stable and cell-to-cell reproducible levels of transgene expression regardless of target cell genome integration site with efficacy demonstrated in adult, embryonic and induced pluripotent stem cells and their differentiated progeny in vitro and in vivo. Here we evaluate the ability of A2UCOE-based lentiviral vectors to confer stable expression following pre-natal delivery in mice. Our results show stable post-natal A2UCOE-eGFP and A2UCOE-luciferase lentiviral vector presence in both the liver and haematopoietic system with concomitant persistence of expression demonstrating efficient transduction of both fetal hepatocytes and haematopoietic stem cells...
November 2, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27807368/expression-of-the-fetal-hematopoiesis-regulator-fev-indicates-leukemias-of-prenatal-origin
#19
T-H Liu, Y-J Tang, Y Huang, L Wang, X-L Guo, J-Q Mi, L-G Liu, H Zhu, Y Zhang, L Chen, X Liu, L-H Zhang, Q-J Ye, B-S Li, J-Y Tang, A Ford, T Enver, F Liu, G-Q Chen, D-L Hong
The origin of cancers is associated with etiology as well as therapeutics. Several studies reveal that malignancies in children can originate in utero. However, a diagnostic approach to distinguish between cancers initiated pre- or postnatally is absent. Here we identified a transcriptional factor FEV (fifth Ewing variant) that was expressed in fetal hematopoietic cells and became silent after birth. We characterized that FEV was essential for the self-renewal of hematopoietic stem cells (HSCs). We next found that FEV was expressed in most infant leukemia samples, but seldom in adult samples, in accord with the known prenatal origins of the former...
December 9, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27784215/epigenetic-effects-of-environmental-chemicals-on-reproductive-biology
#20
Maria Strazzullo, Maria Rosaria Matarazzo
Mammalian reproduction is a complex phenomenon. Human fertility is highly impacted from environmental exposure to toxicants as well as nutrients. The burden of environmental stimuli is heavy and multifaceted. The contaminant sources are many, often occult, and at present, the wide range of positive and negative consequences on the ecosystem and the human health is only partially understood. Compounds deriving from industrial manufacturing, pesticides, waste accumulation and burning are only some examples of the contaminants daily impacting human life...
October 25, 2016: Current Drug Targets
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