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https://www.readbyqxmd.com/read/28319828/genistein-affects-proliferation-and-migration-of-bovine-oviductal-epithelial-cells
#1
Daniela C García, Pablo A Valdecantos, Dora C Miceli, Mariela Roldán-Olarte
Genistein is one of the most abundant isoflavones in soybean. This molecule induces cell cycle arrest and apoptosis in different normal and cancer cells. Genistein has been of considerable interest due to its adverse effects on bovine reproduction, altering estrous cycle, implantation and fetal development and producing subfertility or infertility. The objective of this work was to study the effects of genistein on the expression of selected genes involved in the regulation of cell cycle and apoptosis. Primary cultures of bovine oviductal epithelial cells (BOEC) were treated with different genistein concentrations (0...
March 8, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319104/diabetes-consequences-in-the-fetus-liver-of-the-non-obese-diabetic-mice
#2
M B Aires, A C V Dos Santos, M S Kubrusly, A C de Lima Luna, L A C D'Albuquerque, D A Maria
DM type 1 (T1D) incidence is increasing around 3% every year and represents risks for maternal and fetal health. The objective of this study was to explore the effects of diabetes on fetus liver cells in non-obese diabetic (NOD) mice. Hyperglycemic NOD (HNOD), normoglycemic NOD (NNOD) and BALB/c females were used for mating, and the fetus livers were collected at 19.5 gestation day (gd). HNOD group had reduced fetal weight (989.5±68.32 vs 1290±57.39 mg BALB/c, P<0.05) at 19.5 gd and higher glycemia (516...
March 20, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28318556/natural-killer-cells-in-placentation-and-cancer-implications-for-hypertension-during-pregnancy
#3
Heather Yvonne Small, Denise C Cornelius, Tomasz J Guzik, Christian Delles
Hypertension during pregnancy is the most common medical condition encountered during gestation. Despite this, knowledge of the mechanisms that underlie the disease and the development of new therapies are limited. Hypertension during pregnancy and some forms of cancer confer an increased risk to the development of cardiovascular disease later in life; one mechanism which may link these conditions is the involvement of natural killer (NK) cells. Whilst immunology and immunotherapy are well-developed areas in oncology; the complex mechanisms of the immune system in health and disease at the maternal-fetal interface are less well-defined...
March 7, 2017: Placenta
https://www.readbyqxmd.com/read/28318499/loss-of-function-mutations-in-lgi4-a-secreted-ligand-involved-in-schwann-cell-myelination-are-responsible-for-arthrogryposis-multiplex-congenita
#4
Shifeng Xue, Jérôme Maluenda, Florent Marguet, Mohammad Shboul, Loïc Quevarec, Carine Bonnard, Alvin Yu Jin Ng, Sumanty Tohari, Thong Teck Tan, Mung Kei Kong, Kristin G Monaghan, Megan T Cho, Carly E Siskind, Jacinda B Sampson, Carolina Tesi Rocha, Fawaz Alkazaleh, Marie Gonzales, Luc Rigonnot, Sandra Whalen, Marta Gut, Ivo Gut, Martine Bucourt, Byrappa Venkatesh, Annie Laquerrière, Bruno Reversade, Judith Melki
Arthrogryposis multiplex congenita (AMC) is a developmental condition characterized by multiple joint contractures resulting from reduced or absent fetal movements. Through genetic mapping of disease loci and whole-exome sequencing in four unrelated multiplex families presenting with severe AMC, we identified biallelic loss-of-function mutations in LGI4 (leucine-rich glioma-inactivated 4). LGI4 is a ligand secreted by Schwann cells that regulates peripheral nerve myelination via its cognate receptor ADAM22 expressed by neurons...
March 8, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28318025/maternal-chronic-hypoxia-increases-expression-of-genes-regulating-lung-liquid-movement-and-surfactant-maturation-in-male-fetuses-in-late-gestation
#5
Erin V McGillick, Sandra Orgeig, Beth J Allison, Kirsty L Brain, Youguo Niu, Nozomi Itani, Katie L Skeffington, Andrew D Kane, Emilio A Herrera, Dino A Giussani, Janna L Morrison
Chronic fetal hypoxaemia is a common pregnancy complication that may arise from maternal, placental and/or fetal factors. Respiratory outcome of the infant at birth likely depends on the duration, timing and severity of the hypoxaemic insult. We have isolated the effect of maternal chronic hypoxia (MCH) for a month in late gestation on fetal lung development. Pregnant ewes were exposed to normoxia (21% O2 ) or hypoxia (10% O2 ) from 105-138 d gestation (term ∼145 d). At 138 d, gene expression in fetal lung tissue was determined by qRT-PCR...
March 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28317816/hemophagocytic-syndrome-secondary-to-tuberculosis-at-24-week-gestation
#6
Alexandra Arteaga Fernández, David Fernández de Velasco Pérez, M C Jiménez Fournier, J C Moreno Del Prado, B Paraíso Torras, M L Cañete Palomo
Hemophagocytic syndrome is a life-threatening disease characterized by the uncontrolled activation of macrophages, resulting in hemophagocytosis of blood cells in the bone marrow. A 20-year-old gravida at 23-week and 5-day gestation was admitted to hospital to evaluate fever up to 104°F of unknown origin, moderate cytopenia, and elevated levels of liver enzymes. Bone marrow biopsy confirmed hemophagocytic syndrome, and polymerase chain reaction came back positive for Mycobacterium tuberculosis. Supportive care and tuberculosis treatment resulted in clinical improvement...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28316944/human-amnion-membrane-potential-applications-in-oral-and-periodontal-field
#7
REVIEW
Ranjana Mohan, Aashima Bajaj, Mohan Gundappa
Human amniotic membrane (HAM) is derived from the fetal membranes which consist of the inner amniotic membrane made of single layer of amnion cells fixed to collagen-rich mesenchyme attached to chorion. HAM has low immunogenicity, anti-inflammatory properties and their cells can be isolated without the sacrifice of human embryos. Amniotic membrane has biological properties which are important for the experimental and clinical applications in managing patients of various medical specialties. Abundant, natural and wonderful biomembrane not only protects the foetus but also has various clinical applications in the field of dermatology, ophthalmology, ENT surgery, orthopedics and dental surgery...
January 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28315695/an-unusual-primary-malignant-tumor-of-the-stomach-fetal-gut-like-gastric-adenocarcinoma-with-blastoma-like-component
#8
Altaf Taher, Nebojsa Denic, Sangeetha N Kalimuthu, Runjan Chetty
An unusual case of a polypoid, malignant gastric tumor in a 62-year man is presented. Endoscopy and subsequent polypectomy revealed an 8.5 x 6.5 x 4.5cm lesion in the body of the stomach. Microscopy showed surface dysplasia with an invasive adenocarcinoma displaying prominent tubulopapillary areas composed of large vacuolated cells, pleomorphic nuclei and occasional cytoplasmic hyaline globules. This component then blended with tubular structures lined by more primitive appearing vacuolated cells embedded within a stroma made up of cellular primitive, high-grade blastema-like areas and, less cellular more pleomorphic foci with spindle and several bizarre, large cells...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315627/cytological-evaluation-of-the-nasal-mucosa-in-neonates-exposed-to-tobacco-smoke-during-fetal-life
#9
(no author information available yet)
OBJECTIVES: The objective of this study is to assess the cytological picture of the nasal mucosa of neonates born to mothers who are active smokers, passive smokers and non-smokers. METHODS: A prospective study was conducted in a group of 86 neonates born between 23 and 41 weeks of gestation. The assignation of neonates to one of the three aforementioned groups was based on a questionnaire concerning exposure to tobacco smoke, and on the concentration of cotinine in maternal urine...
November 19, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28315379/magnetic-nanoparticles-for-efficient-cell-transduction-with-semliki-forest-virus
#10
Baiba Kurena, Aleksandra Vežāne, Dace Skrastiņa, Olga Trofimova, Anna Zajakina
Semliki Forest virus (SFV) is a potential cancer gene therapy vector capable of providing high and transient expression of heterologous proteins in mammalian cells. However, SFV has shown suboptimal transduction levels in several cancer cell types as well as wide biodistribution of SFV has been observed after in vivo applications. Magnetic nanoparticles (MNPs) have been shown to increase cell transduction with several viral vectors in vitro under an external magnetic field and enhance magnetically guided viral vector delivery...
March 14, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28304416/gynecologic-malignancies-in-pregnancy-balancing-fetal-risks-with-oncologic-safety
#11
Christina N Cordeiro, Mary L Gemignani
Importance: Cancer occurs in 0.05% to 0.1% of all pregnancies. Despite literature reporting good oncologic and fetal outcomes in women treated for cancer during pregnancy, as many as 44% of gynecologists would offer termination, and 37% would not administer chemotherapy or radiotherapy in pregnancy. Objectives: The aims of this study were to summarize current recommendations for the treatment of cervical and ovarian cancers in pregnancy and to review updates on existing knowledge regarding the safety of surgical and chemotherapeutic treatments in pregnancy, including both oncologic and fetal outcomes...
March 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28304347/plausible-roles-for-rage-in-conditions-exacerbated-by-direct-and-indirect-secondhand-smoke-exposure
#12
REVIEW
Joshua B Lewis, Kelsey M Hirschi, Juan A Arroyo, Benjamin T Bikman, David L Kooyman, Paul R Reynolds
Approximately 1 billion people smoke worldwide, and the burden placed on society by primary and secondhand smokers is expected to increase. Smoking is the leading risk factor for myriad health complications stemming from diverse pathogenic programs. First- and second-hand cigarette smoke contains thousands of constituents, including several carcinogens and cytotoxic chemicals that orchestrate chronic inflammatory responses and destructive remodeling events. In the current review, we outline details related to compromised pulmonary and systemic conditions related to smoke exposure...
March 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28303777/placental-up-regulation-of-leptin-and-arms2-is-associated-with-growth-discordance-in-monochorionic-diamniotic-twin-pregnancies
#13
Luming Sun, Jia Zhou, Kai Wang, Jian Wang, Ling Shang, Jianguang Zhang, Junqing Wu, David S Cram
Fetal growth discordance is a relatively common complication of monochorionic diamniotic (MCDA) twin pregnancies and is caused by a combination of maternal and placental factors. The aim of the study was to survey placental gene expression patterns and identify genes associated with growth discordance. Clinical samples comprised eight growth-discordant MCDA twin placentas (31+3-34+4 weeks gestational age) and six growth-concordant twin placentas (31+2-37 weeks gestational age). Gene expression libraries were constructed from placental biopsy samples and analyzed by RNA-sequencing...
April 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28303002/reciprocal-regulation-of-%C3%AE-globin-expression-by-exo-mirnas-relevance-to-%C3%AE-globin-silencing-in-%C3%AE-thalassemia-major
#14
Kuo-Ting Sun, Yu-Nan Huang, Kalaiselvi Palanisamy, Shih-Sheng Chang, I-Kuan Wang, Kang-Hsi Wu, Ping Chen, Ching-Tien Peng, Chi-Yuan Li
Induction of fetal hemoglobin (HbF) is a promising strategy in the treatment of β-thalassemia major (β-TM). The present study shows that plasma exosomal miRNAs (exo-miRs) are involved in γ-globin regulation. Exosomes shuttle miRNAs and mediate cell-cell communication. MiRNAs are regulators of biological processes through post-transcriptional targeting. Compared to HD (Healthy Donor), β-TM patients showed increased levels of plasma exosomes and the majority of exosomes had cellular origin from CD34+ cells...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28302729/phagocytosis-dependent-ketogenesis-in-retinal-pigment-epithelium
#15
Juan Reyes-Reveles, Anuradha Dhingra, Desiree Alexander, Alvina Bragin, Nancy J Philp, Kathleen Boesze-Battaglia
Daily, the retinal pigment epithelium (RPE) ingests a bolus of lipid and protein in the form of phagocytized photoreceptor outer segments (OS). The RPE like the liver expresses enzymes required for fatty acid oxidation (FAO) and ketogenesis. This suggests that these pathways play a role in the disposal of lipids from ingested OS as well as providing a mechanism for recycling metabolic intermediates back to the outer retina. In this study, we examined whether OS phagocytosis was linked to ketogenesis. We found increased levels of β-hydroxy-butyrate (β-HB) in the apical media following ingestion of OS by human fetal RPE and ARPE19 cells cultured on transwell inserts...
March 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28302378/hypothermic-storage-of-isolated-spermatogonia-and-oogonia-from-rainbow-trout-oncorhynchus-mykiss
#16
Bahram Falahatkar, Samaneh Poursaeid, Ryota Kitada, Goro Yoshizaki
A growing number of fish species are endangered due to human activities. A short- or long-time preservation of gametes could conserve genetic resources of threatened fish species. The aim of this study was to evaluate a hypothermic condition for short-term preservation of spermatogonia and oogonia cells isolated from immature transgenic rainbow trout, Oncorhynchus mykiss, and to determine the maximum time point for further transplantation. Viability rate of germ cells was investigated after isolation and during storage at 4 °C up to 24 h...
March 13, 2017: Cryobiology
https://www.readbyqxmd.com/read/28301696/toward-an-ethically-sensitive-implementation-of-noninvasive-prenatal-screening-in-the-global-context
#17
Jessica Mozersky, Vardit Ravitsky, Rayna Rapp, Marsha Michie, Subhashini Chandrasekharan, Megan Allyse
Noninvasive prenatal screening using cell-free DNA, which analyzes placental DNA circulating in maternal blood to provide information about fetal chromosomal disorders early in pregnancy and without risk to the fetus, has been hailed as a potential "paradigm shift" in prenatal genetic screening. Commercial provision of cell-free DNA screening has contributed to a rapid expansion of the tests included in the screening panels. The tests can include screening for sex chromosome anomalies, rare subchromosomal microdeletions and aneuploidies, and most recently, the entire fetal genome...
March 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28301258/maldi-mass-spectrometry-reveals-that-cumulus-cells-modulate-the-lipid-profile-of-in-vitro-matured-bovine-oocytes
#18
Alessandra A Vireque, Alessandra Tata, Katia Roberta A Belaz, João Gabriel V Grázia, Fábio N Santos, Daniel R Arnold, Andrea C Basso, Marcos N Eberlin, Marcos Felipe Silva-de-Sá, Rui A Ferriani, Ana Carolina J Sá Rosa-E-Silva
The influence of cumulus cells (CC) on the lipid profile of bovine oocytes matured in two different lipid sources was investigated. Cumulus-oocyte complexes (COC) or denuded oocytes (DO) were matured in tissue culture medium (TCM) supplemented with fetal bovine serum (FBS) or serum substitute supplement (SSS). Lipid profiles of TCM, serum supplements, immature CC and oocyte (IO), and in vitro-matured oocytes from COC and DO were then analyzed by matrix assisted laser desorption ionization mass spectrometry (MALDI-MS) and submitted to partial least squares-discriminant analysis (PLS-DA)...
April 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28300789/anti-cancer-activity-of-resveratrol-and-derivatives-produced-by-grapevine-cell-suspensions-in-a-14-l-stirred-bioreactor
#19
Laetitia Nivelle, Jane Hubert, Eric Courot, Philippe Jeandet, Aziz Aziz, Jean-Marc Nuzillard, Jean-Hugues Renault, Christophe Clément, Laurent Martiny, Dominique Delmas, Michel Tarpin
In the present study, resveratrol and various oligomeric derivatives were obtained from a 14 L bioreactor culture of elicited grapevine cell suspensions (Vitis labrusca L.). The crude ethyl acetate stilbene extract obtained from the culture medium was fractionated by centrifugal partition chromatography (CPC) using a gradient elution method and the major stilbenes contained in the fractions were subsequently identified by using a (13)C-NMR-based dereplication procedure and further 2D NMR analyses including HSQC, HMBC, and COSY...
March 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28299992/developmental-programming
#20
Muraly Puttabyatappa, Ashleigh Irwin, Jacob D Martin, Makeda Mesquitta, Almudena Veiga-Lopez, Vasantha Padmanabhan
Prenatal testosterone (T)-treated sheep, similar to women with polycystic ovary syndrome (PCOS), manifests reproductive defects that include multifollicular ovarian phenotype. Women with PCOS manifest increased ovarian matrix metalloproteinases (MMPs) activity. We tested the hypothesis that gestational T excess in sheep would alter ovarian expression of MMPs, tissue inhibitors of MMP (TIMP) and their target proteins laminin B (LAMB), collagen, tumor necrosis factor alpha (TNF), and connexin 43 (GJA1) consistent with increased MMP activity and that these changes are developmentally regulated...
January 1, 2017: Reproductive Sciences
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