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Decidualization

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https://www.readbyqxmd.com/read/28324064/bmp7-induces-uterine-receptivity-and-blastocyst-attachment
#1
Diana Monsivais, Caterina Clementi, Jia Peng, Paul T Fullerton, Renata Prunskaite-Hyyryläinen, Seppo Vainio, Martin M Matzuk
In women, the window of implantation is limited to a brief two- to three- day period characterized by optimal levels of circulating ovarian hormones and a receptive endometrium. Although the window of implantation is assumed to occur 8-10 days after ovulation in women, molecular markers of endometrial receptivity are necessary to determine optimal timing prior to embryo transfer. Previous studies showed that members of the bone morphogenetic protein (BMP) family are expressed in the uterus necessary for female fertility; however, the role of BMP7 during implantation and in late gestation is not known...
January 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323909/integrating-the-effects-of-latitude-and-altitude-on-the-spatial-differentiation-of-plant-community-diversity-in-a-mountainous-ecosystem-in-china
#2
Manhou Xu, Li Ma, Yanyan Jia, Min Liu
Varying patterns of plant community diversity along geographical gradients are a significant topic in biodiversity research. Here, to explore the integrated effects of latitude and altitude on the plant community diversity in a mountainous ecosystem, we set Guancen Mountain in the northern section, Guandi Mountain in the middle section, and Wulu Mountain in the southern section of the Lvliang Mountains as study areas, and the plant community diversity (basal diameter and height of tree and species diversity indices of shrub and herb) was measured horizontally at different latitude gradients and vertically at different altitude gradients in late July 2015...
2017: PloS One
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/28317109/what-if-plant-functional-types-conceal-species-specific-responses-to-environment-study-on-arctic-shrub-communities
#4
Patrick Saccone, Kristiina Hoikka, Risto Virtanen
Plant functional types (PFT) are increasingly used to outline biome-scale plant-environment relationship and predict global change effects on community structure. However, the potentials and limitations of the PFT approach have to be tested as they can be less sensitive than trait-based or species-level approaches. Here, we compare the responses of deciduous-evergreen shrub PFTs and species to gradual snow-related environmental conditions by also considering effects of aboveground architectural traits and neighboring shrubs...
March 19, 2017: Ecology
https://www.readbyqxmd.com/read/28303184/the-shifting-phenological-landscape-within-and-between-species-variation-in-leaf-emergence-in-a-mixed-deciduous-woodland
#5
Ella F Cole, Ben C Sheldon
Many organisms rely on synchronizing the timing of their life-history events with those of other trophic levels-known as phenological matching-for survival or successful reproduction. In temperate deciduous forests, the extent of matching with the budburst date of key tree species is of particular relevance for many herbivorous insects and, in turn, insectivorous birds. In order to understand the ecological and evolutionary forces operating in these systems, we require knowledge of the factors influencing leaf emergence of tree communities...
February 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28303178/composition-of-riparian-litter-input-regulates-organic-matter-decomposition-implications-for-headwater-stream-functioning-in-a-managed-forest-landscape
#6
Johan Lidman, Micael Jonsson, Ryan M Burrows, Mirco Bundschuh, Ryan A Sponseller
Although the importance of stream condition for leaf litter decomposition has been extensively studied, little is known about how processing rates change in response to altered riparian vegetation community composition. We investigated patterns of plant litter input and decomposition across 20 boreal headwater streams that varied in proportions of riparian deciduous and coniferous trees. We measured a suite of in-stream physical and chemical characteristics, as well as the amount and type of litter inputs from riparian vegetation, and related these to decomposition rates of native (alder, birch, and spruce) and introduced (lodgepole pine) litter species incubated in coarse- and fine-mesh bags...
February 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28300725/diagnosis-of-occlusal-caries-lesions-in-deciduous-molars-by-coherent-light-scattering-pattern-speckle
#7
Silvia Regina Garcia Olivan, Alessandro Melo Deana, Marcelo Mendes Pinto, Ravana Angelini Sfalcin, Kristianne Porta Santos Fernandes, Raquel Agnelli Mesquita-Ferrari, Renato Araujo Prates, Sandra Kalil Bussadori
BACKGROUND: In this study is presented the correlation between laser speckle images and detection of incipient caries lesions by changing the microstructure of the surface of tooth enamel. METHODS: We used 30 healthy deciduous molar teeth collected from the Biobank Human Teeth, Faculty of Dentistry, University of São Paulo who had carious lesions induced by the pH cycling method. The samples were evaluated for the diagnosis of caries by two METHODS: ICDAS and speckle pattern of coherent light scattering after 5, 10 and 15days and the results were statistically analyzed using α=0...
March 11, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28299568/time-lapse-effect-of-ancient-plant-coal-biochar-on-some-soil-agrochemical-parameters-and-soil-characteristics
#8
Tamás Kocsis, Borbála Biró, Ákos Ulmer, Mónika Szántó, Zsolt Kotroczó
Biochar is a solid material obtained from reductive, oxygen-free processes, i.e. the thermo-chemical conversion of biomass in oxygen-limited environment. The obtained products have high carbon sequestration potential and strong nutrient-water absorption capacities because of the enlarged carbon surfaces. It is not yet clear how carbon stimulates agrochemical parameters in soil and how those characteristics are developing as time goes on a long-term basis. Samples of ancient (25, 35, 80 years old) plant coal-affected soils were collected in a temperate deciduous forest site located in the south part of the Bükk Mountains (in North Eastern Hungary)...
March 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28298162/expression-and-significance-of-dendritic-cells-and-th17-treg-in-serum-and-placental-tissues-of-patients-with-intrahepatic-cholestasis-of-pregnancy
#9
Xiang Kong, Yan Kong, Fangyuan Zhang, Tingting Wang, Xiaotong Zhu
PURPOSE: Dendritic cells (DCs) are involved in immune system, which can also regulate the differentiation of T helper 17 (Th17) and regulatory T cells (Treg). DCs and Th17/Treg participate in preeclampsia and recurrent spontaneous abortion (RSA), but there is still lack of research in intrahepatic cholestasis of pregnancy (ICP). The aim was to evaluate the expression and significance of CD83(+)DCs, CD1a(+)DCs, interleukin-17 (IL-17) and IL-35 in serum and placental tissues of patients with ICP...
March 15, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28293067/syndecan-1-acts-as-an-important-regulator-of-cxcl1-expression-and-cellular-interaction-of-human-endometrial-stromal-and-trophoblast-cells
#10
Dunja Maria Baston-Buest, Olga Altergot-Ahmad, Sarah Jean Pour, Jan-Steffen Krüssel, Udo Rudolf Markert, Tanja Natascha Fehm, Alexandra Petra Bielfeld
Successful implantation of the embryo into the human receptive endometrium is substantial for the establishment of a healthy pregnancy. This study focusses on the role of Syndecan-1 at the embryo-maternal interface, the multitasking coreceptor influencing ligand concentration, release and receptor presentation, and cellular morphology. CXC motif ligand 1, being involved in chemotaxis and angiogenesis during implantation, is of special interest as a ligand of Syndecan-1. Human endometrial stromal cells with and without Syndecan-1 knock-down were decidualized and treated with specific inhibitors to evaluate signaling pathways regulating CXC ligand 1 expression...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28292619/obesity-and-female-infertility-potential-mediators-of-obesity-s-impact
#11
REVIEW
Darcy E Broughton, Kelle H Moley
The worldwide upward trend in obesity has been dramatic, now affecting more than 20% of American women of reproductive age. Obesity is associated with many adverse maternal and fetal effects prenatally, but it also exerts a negative influence on female fertility. Obese women are more likely to have ovulatory dysfunction due to dysregulation of the hypothalamic-pituitary-ovarian axis. Women with polycystic ovarian syndrome who are also obese demonstrate a more severe metabolic and reproductive phenotype. Obese women have reduced fecundity even when eumenorrheic and demonstrate poorer outcomes with the use of in vitro fertilization...
March 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28288166/the-relationships-within-the-chaitophorinae-and-drepanosiphinae-hemiptera-aphididae-inferred-from-molecular-based-phylogeny-and-comprehensive-morphological-data
#12
Karina Wieczorek, Dorota Lachowska-Cierlik, Łukasz Kajtoch, Mariusz Kanturski
The Chaitophorinae is a bionomically diverse Holarctic subfamily of Aphididae. The current classification includes two tribes: the Chaitophorini associated with deciduous trees and shrubs, and Siphini that feed on monocotyledonous plants. We present the first phylogenetic hypothesis for the subfamily, based on molecular and morphological datasets. Molecular analyses were based on the mitochondrial gene cytochrome oxidase subunit I (COI) and the nuclear gene elongation factor-1α (EF-1α). Phylogenetic inferences were obtained individually on each of genes and joined alignments using Bayesian inference (BI) and Maximum likelihood (ML)...
2017: PloS One
https://www.readbyqxmd.com/read/28287563/isolation-of-mouse-endometrial-epithelial-and-stromal-cells-for-in-vitro-decidualization
#13
Katrien De Clercq, Aurélie Hennes, Joris Vriens
Decidualization is a progesterone-dependent differentiation process of endometrial stromal cells and is a prerequisite for successful embryo implantation. Although many efforts have been made to reveal the underlying mechanisms of decidualization, the exact signaling between the epithelial cells that are in contact with the embryo and the underlying stromal cells remains poorly understood. Therefore, studying decidualization in a way that takes both the epithelial and stromal cells into account could improve our knowledge about the molecular details of decidualization...
March 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28286679/a-case-of-bisphosphonate-related-osteonecrosis-of-the-jaw-in-a-patient-with-subpontic-osseous-hyperplasia
#14
Chiaki Tsuji, Hiroshi Watanabe, Hidenori Nakayama, Mitsuo Goto, Kenichi Kurita
Subpontic osseous hyperplasia (SOH) is a growth of bone occurring on the edentulous ridge beneath the pontics of fixed partial dentures (FPDs). This report describes a case of bisphosphonate- (BP-) related osteonecrosis of the jaw (BRONJ) in a SOH patient followed by deciduation of the bony lesion. A 73-year-old woman visited a dental clinic after experiencing pain and swelling beneath the pontics of a FPD that had been inserted 15 years ago. The pontics were removed, but the symptoms persisted and she was referred to our hospital...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28284179/research-on-the-expression-of-integrin-%C3%AE-3-and-leukaemia-inhibitory-factor-in-the-decidua-of-women-with-cesarean-scar-pregnancy
#15
Zhi-Da Qian, Yue Weng, Chun-Fen Wang, Li-Li Huang, Xiao-Ming Zhu
BACKGROUND: Cesarean scar pregnancy (CSP) is a late serious complication of cesarean section. There has been an increase in the incidence of CSP worldwide in recent years. It's a life-threatening condition because of the high risk of uncontrolled hemorrhage and uterine rupture. The mechanism of CSP is still unclear. The endometrial receptivity might be different in the cesarean scar between CSP and normal pregnancies. Endometrial expression of integrin β3 and LIF positively correlates with endometrial receptivity and embryo implantation...
March 11, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28281680/human-endometrial-stromal-cells-are-highly-permissive-to-productive-infection-by-zika-virus
#16
Isabel Pagani, Silvia Ghezzi, Adele Ulisse, Alicia Rubio, Filippo Turrini, Elisabetta Garavaglia, Massimo Candiani, Concetta Castilletti, Giuseppe Ippolito, Guido Poli, Vania Broccoli, Paola Panina-Bordignon, Elisa Vicenzi
Zika virus (ZIKV) is a recently re-emerged flavivirus transmitted to humans by mosquito bites but also from mother to fetus and by sexual intercourse. We here show that primary human endometrial stromal cells (HESC) are highly permissive to ZIKV infection and support its in vitro replication. ZIKV envelope expression was detected in the endoplasmic reticulum whereas double-stranded viral RNA colocalized with vimentin filaments to the perinuclear region. ZIKV productive infection also occurred in the human T-HESC cell line together with the induction of interferon-β (IFN-β) and of IFN-stimulated genes...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28279842/tooth-manganese-as-a-biomarker-of-exposure-and-body-burden-in-rats
#17
Christine Austin, Cardius Richardson, Donald Smith, Manish Arora
BACKGROUND: Neonates and children are particularly vulnerable to the toxic effects of excess manganese (Mn), but studies of Mn exposure during these developmental periods are hampered by a lack of validated biomarkers. Deciduous teeth may be used to assess Mn exposure during these developmental periods but require further validation to determine the relationship between tooth Mn, Mn in target tissues, and exposure. OBJECTIVES: To determine the relationship of tooth Mn concentrations with: (i) exposure dose, (ii) the timing/duration of exposure, and (iii) with Mn concentrations in blood, brain and bone...
March 6, 2017: Environmental Research
https://www.readbyqxmd.com/read/28277142/effects-of-human-chorionic-gonadotropin-estradiol-and-progesterone-on-interleukin-18-expression-in-human-decidual-tissues
#18
Fang Wang, Hong Zhu, Bing Li, Mingxing Liu, Dan Liu, Meilian Deng, Yanming Wang, Xuefeng Xia, Qingping Jiang, Dunjin Chen
Interleukin (IL)-18 is a proinflammatory cytokine which mediates a myriad of inflammatory responses during pregnancy. Changes in IL-18 levels have been linked to complications during pregnancy. This study was designed to assess the effects of estradiol, human chorionic gonadotropin (hCG), and progesterone on IL-18 expression in human decidual tissues. Uterine deciduas from women with normal pregnancy, spontaneous abortion, and progesterone treated spontaneous abortion were collected, and the effects of hormones on the viability of decidual cells and IL-18 secretion were detected by MTT and ELISA assays...
February 11, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28276297/decidual-vasculopathy-placental-location-and-association-with-ischemic-lesions
#19
Joanna Sy Chan, Debra S Heller, Rebecca N Baergen
Decidual vasculopathy (DV) is a general term for a number of lesions involving uteroplacental vessels. It is often seen in preeclamptic placentas and indicates a disorder of uteroplacental malperfusion and is associated with placental ischemia and infarction. Although some have advocated submitting special sections in order to better document DV, it is unclear which placental sections have the highest yield in demonstrating these abnormal vessels. Seventy-six consecutive cases of decidual vasculopathy were identified and evaluated for location of DV, as well as presence of other lesions of ischemic change, infarcts, and retroplacental hematomas...
January 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28272721/the-study-of-the-relationship-between-aberrant-expression-of-hot-shock-protein-70-hsp70-and-spontaneous-abortion
#20
Y-B Peng, H Liu, S-H Huang, H Lai, Q Zhou, Y Luo, Z-Y Zhang, B-R Xi, X Ouyang
OBJECTIVE: The present study is aimed to explore the relationship between aberrant expression of heat shock protein 70 (HSP) and spontaneous abortion. PATIENTS AND METHODS: 50 patients with spontaneous abortion and 50 patients with induced abortion were continuously selected based on the nearest matching principle, and the proportion of age and gestational age was 1:1. The decidual tissues were obtained, and the cell apoptosis was determined by TUNEL assay. Further, the expression of HSP70 was assayed by immune-histochemical staining, and the expression of HSP70 mRNA was detected by the RT-PCR approach...
February 2017: European Review for Medical and Pharmacological Sciences
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