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Decidualization

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https://www.readbyqxmd.com/read/29453285/the-distal-upstream-region-of-insulin-like-growth-factor-binding-protein-1-enhances-its-expression-in-endometrial-stromal-cells-during-decidualization
#1
Isao Tamura, Kosuke Jozaki, Shun Sato, Yuichiro Shirafuta, Masahiro Shinagawa, Ryo Maekawa, Toshiaki Taketani, Hiromi Asada, Hiroshi Tamura, Norihiro Sugino
We have previously shown that decidualization of human endometrial stromal cells (ESCs) causes a genome-wide increase in the levels of acetylation of histone-H3 Lys-27 (H3K27ac). We also reported that the distal gene regions, more than 3 kb up or downstream of gene transcription start sites have increased H3K27ac levels. Insulin-like growth factor-binding protein-1 (IGFBP-1) is a specific decidualization marker and has increased H3K27ac levels in its distal upstream region (-4701 bp to -7501 bp). Here, using a luciferase reporter gene construct containing this IGFBP-1 upstream region, we tested the hypothesis that it is an IGFBP-1 enhancer...
February 16, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29450735/n-acetyl-l-cysteine-protects-dental-tissue-stem-cells-against-oxidative-stress-in-vitro
#2
Jasmina Martacic, Milica Kovacevic Filipovic, Suncica Borozan, Zorica Cvetkovic, Tamara Popovic, Aleksandra Arsic, Marija Takic, Vesna Vucic, Maria Glibetic
OBJECTIVES: The aim of our study was to investigate whether N-acetyl-L-cysteine (NAC) could protect stem cells from exfoliated deciduous teeth (SHED) against oxidative damage, during in vitro cultivation, to preserve regenerative potential of these cells. Accordingly, we examined the potential of cell culture supplementation with NAC in prevention of lipid peroxidation, unfavorable changes of total lipids fatty acid composition, and the effects on the activity of antioxidant enzymes. MATERIAL AND METHODS: We analyzed the extent of oxidative damage in SHED after 48 h treatment with different NAC concentrations...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29447956/pubertal-chlorocholine-chloride-exposure-inhibits-testicular-testosterone-synthesis-by-down-regulating-steroidogenic-enzymes-in-adult-rats
#3
Xiaohong Hou, Dan Huang, Qinghe Meng, Qi Zhang, Lixia Jia, Siqi Wang, Zhiyuan Cheng, Shuang Wu, Lanqin Shang, Jianjun Jiang, Weidong Hao
Chlorocholine chloride (CCC) is widely used to regulate plant growth. Considerable attention has been focused on its reproductive and developmental toxicities. In order to investigate the effects of pubertal CCC exposure on testicular testosterone (T) synthesis, male SD rats were exposed to CCC by oral gavage at doses of 0, 75, 150 and 300 mg/kg bw/day from postnatal day 23 to 70. We observed that pubertal CCC exposure lowered the body weight and the mean Johnsen's score. The percentage of seminiferous tubules with deciduous spermatogenic cells was increased in the 75 and 150 mg/kg bw/day groups...
February 12, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29447367/endometrial-natural-killer-nk-cells-reveal-a-tissue-specific-receptor-repertoire
#4
D Feyaerts, T Kuret, B van Cranenbroek, S van der Zeeuw-Hingrez, O W H van der Heijden, A van der Meer, I Joosten, R G van der Molen
STUDY QUESTION: Is the natural killer (NK) cell receptor repertoire of endometrial NK (eNK) cells tissue-specific? SUMMARY ANSWER: The NK cell receptor (NKR) expression profile in pre-pregnancy endometrium appears to have a unique tissue-specific phenotype, different from that found in NK cells in peripheral blood, suggesting that these cells are finely tuned towards the reception of an allogeneic fetus. WHAT IS KNOWN ALREADY: NK cells are important for successful pregnancy...
February 13, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29447340/dysfunction-of-ddit4-in-the-decidua-is-relevant-to-the-pathogenesis-of-preeclampsia
#5
Jieqiong Yang, Yachao Zhang, Jing Tong, Hong Lv, Cong Zhang, Zi-Jiang Chen
Preeclampsia (PE) is a pregnancy-related disorder that occurs after 20 weeks of gestation and affects 3-5% of all human pregnancies worldwide. However, the pathogenesis of PE still remains poorly understood. A deficiency in decidualization is considered a contributing factor to the development of PE. The DNA damage inducible transcript 4 (DDIT4) gene encodes a protein whose main function is inhibiting mammalian target of rapamycin (mTOR) under stress, and several studies have demonstrated that its expression promotes tumor cell apoptosis...
February 13, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29445072/molar-eruption-and-identification-of-the-eastern-grey-kangaroo-macropus-giganteus-at-different-ages
#6
Nobuhide Kido, Sohei Tanaka, Yuko Wada, Sumito Sato, Tomoko Omiya
To treat dental disorders and estimate age, it is important that veterinarians understand teeth eruption sequence for the animal in question. Few dental images of the eastern grey kangaroo have been published. In the present study, radiographic imagings of 29 kangaroos, ranging in age from 12 months to 10 years 9 months, was used to surveil the replacement of premolars and the eruption of molars. These images revealed eruption patterns in five stages, while the second and third deciduous premolars were shed non-systematically...
February 15, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29437882/decidual-regulation-of-trophoblast-is-altered-in-pregnancies-at-risk-of-pre-eclampsia
#7
Laura B James-Allan, Guy StJ Whitley, Karin Leslie, Alison E Wallace, Judith E Cartwright
Successful implantation and placentation are dependent on the interaction between decidual stromal cells (DSC) and extravillous trophoblast (EVT) cells. The extent of trophoblast invasion relies on communication between the placenta and maternal decidua. The cyclical process of decidualisation induces a transformation of endometrial fibroblasts to secretory DSC; these secreted products have many functions including the control of trophoblast invasion. Inadequate trophoblast invasion and remodelling of the uterine vessels (the spiral arteries) are associated with pregnancy disorders such as pre-eclampsia...
February 7, 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29434775/il-25-promotes-th2-bias-by-upregulating-il-4-and-il-10-expression-of-decidual-%C3%AE-%C3%AE-t-cells-in-early-pregnancy
#8
Yuan Zhang, Ying Wang, Ming-Qing Li, Jie Duan, Deng-Xuan Fan, Li-Ping Jin
Decidual immune cells (DICs), consisting of both innate and adaptive immune cells, have a pivotal role in maintaining immune tolerance for normal pregnancy. Our previous study demonstrated that interleukin (IL)-25 stimulates the proliferation of decidual stromal cells (DSCs) in an autocrine manner. However, the role of IL-25 in functional regulation of DICs is largely unknown. Flow cytometry was used to analyze the expression of IL-25 and its receptor (IL-17RB) in DICs, and the effect of IL-25 on the expression of Ki-67, IL-4, IL-10, interferon (IFN)-γ and transforming growth factor (TGF)-β in decidual γδT cells...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29430843/ft-raman-spectroscopy-%C3%A2%C2%B5-edxrf-spectrometry-and-microhardness-analysis-of-the-dentin-of-primary-and-permanent-teeth
#9
Carolina Paes Torres, Jaciara Miranda Gomes-Silva, Maria Angélica Hueb Menezes-Oliveira, Luís Eduardo Silva Soares, Regina Guenka Palma-Dibb, Maria Cristina Borsatto
The chemical compositions (organic and inorganic contents) and mechanical behaviors of the dentin of permanent and deciduous teeth were analyzed and compared using X-ray fluorescence spectrometry (µ-EDXRF) Fourier transform Raman spectroscopy (FT-Raman) and a microhardness test (HD). Healthy fresh human primary and permanent molars (n = 10) were selected, The buccal surfaces facing upwards were stabilized in an acrylic plate, flattened, polished, and submitted to the µ-EDXRF, FT-Raman, and HD analysis...
February 12, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29424009/living-on-next-to-nothing-tree-seedlings-can-survive-weeks-with-very-low-carbohydrate-concentrations
#10
Raphael Weber, Andrea Schwendener, Sandra Schmid, Savoyane Lambert, Erin Wiley, Simon M Landhäusser, Henrik Hartmann, Günter Hoch
The usage of nonstructural carbohydrates (NSCs) to indicate carbon (C) limitation in trees requires knowledge of the minimum tissue NSC concentrations at lethal C starvation, and the NSC dynamics during and after severe C limitation. We completely darkened and subsequently released seedlings of two deciduous and two evergreen temperate tree species for varying periods. NSCs were measured in all major organs, allowing assessment of whole-seedling NSC balances. NSCs decreased fast in darkness, but seedlings survived species-specific whole-seedling starch concentrations as low as 0...
February 9, 2018: New Phytologist
https://www.readbyqxmd.com/read/29422314/dental-pathology-of-the-grey-fox-urocyon-cinereoargenteus
#11
J V Evenhuis, I Zisman, P H Kass, F J M Verstraete
Museum specimens from 637 grey foxes (Urocyon cinereoargenteus) were examined macroscopically according to predefined criteria. Of the 637 specimens, 569 were included for further examination. The study population included more males (n = 261, 45.9%) than females (n = 196, 34.4%) and animals of unknown sex (n = 112, 19.7%). Additionally, 481 (84.5%) adults, 67 (11.8%) young adults and 21 (3.7%) individuals of unknown age comprised the study population, with juveniles and neonates excluded. The number of teeth present for examination was 23,066 (96...
January 2018: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29420856/antimicrobial-photodynamic-therapy-as-a-co-adjuvant-in-endodontic-treatment-of-deciduous-teeth-case-series
#12
Camila Basilio Okamoto, Lara Jasinski Motta, Renato Araujo Prates, Ana Carolina Costa da Mota, Marcela Leticia Leal Gonçalves, Anna Carolina Ratto Tempestini Horliana, Raquel Agnelli Mesquita Ferrari, Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori
To assure the success of endodontic treatment, the root canal must be completely decontaminated. Thus, some methods have been researched in an attempt to effectively eliminate microorganisms from the interior of the root canal system. Among them, is conventional endodontic therapy in conjunction with photodynamic therapy (PDT). Five anterior deciduous teeth were treated endodontically with the conventional technique and PDT. For PDT, 0.005% methylene blue was used as a photosensitizer and a 660nm laser. After the conventional endodontic therapy, the photosensitizer was applied inside the root canal, 3 minutes of pre-irradiation time and then the laser was applied for 40s with an energy of 4J...
February 8, 2018: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29420252/role-of-osteopontin-in-decidualization-and-pregnancy-success
#13
Xiaobo Wang, Qianrong Qi, Kailin Wu, Qingzhen Xie
OPN is essential for blastocyst implantation and placentation. Previous study found that miR181a was increased while miR181b was down-regulated in endometrium during decidualization. However, the information regarding their effects on decidualization in human endometrium is still limited. Here we report a novel role of OPN and miR181b in uterine decidualization and pregnancy success in humans. The expression of OPN was high in endometrium in secretory phase and in vitro decidualized hESC, whereas miR181b expression was low in identical conditions...
February 2, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29417898/food-and-feeding-habits-of-gaur-bos-gaurus-in-highlands-of-central-india-a-case-study-at-pench-tiger-reserve-madhya-pradesh-india
#14
Abdul Haleem, Orus Ilyas
Indian gaur (Bos gaurus) is one of nine species of wild oxen found in the world. They are largely confined to evergreen, semi-evergreen, and moist deciduous forests, but also occur in dry deciduous forest areas at the periphery of their range. According to the IUCN Red List ( 2017 ), the estimated population of gaur in India is between 15,000 and 35,000 individuals, and probably due to this, despite the gaur's vast range of distribution, they are listed as a vulnerable species by IUCN and listed as schedule-I of the Indian Wildlife Protection Act ( 1972 ) as well as in appendix-I in CITES ( 2003 )...
February 2018: Zoological Science
https://www.readbyqxmd.com/read/29416852/recent-advances-in-understanding-evolution-of-the-placenta-insights-from-transcriptomics
#15
REVIEW
Anthony M Carter
The mammalian placenta shows an extraordinary degree of variation in gross and fine structure, but this has been difficult to interpret in physiological terms. Transcriptomics offers a path to understanding how structure relates to function. This essay examines how studies of gene transcription can inform us about placental evolution in eutherian and marsupial mammals and more broadly about convergent evolution of viviparity and placentation in vertebrates. Thus far, the focus has been on the chorioallantoic placenta of eutherians at term, the reproductive strategies of eutherians and marsupials, and the decidual response of the uterus at implantation...
2018: F1000Research
https://www.readbyqxmd.com/read/29416020/bone-morphogenetic-protein-2-promotes-human-trophoblast-cell-invasion-by-upregulating-n-cadherin-via-non-canonical-smad2-3-signaling
#16
Hong-Jin Zhao, Christian Klausen, Yan Li, Hua Zhu, Yan-Ling Wang, Peter C K Leung
BMP2 expression is spatiotemporally correlated with embryo implantation and is crucial for endometrial decidualization and fertility in mice. BMP2 has been reported to increase the mesenchymal adhesion molecule N-cadherin and enhance cell invasion in cancer cells; moreover, studies suggest that N-cadherin promotes placental trophoblast invasion. However, whether BMP2 can promote trophoblast cell invasion during placentation remains unknown. The objective of our study was to investigate the effects of BMP2 on human trophoblast cell invasion and the involvement of N-cadherin and SMAD signaling...
February 7, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29414989/harvesting-interacts-with-climate-change-to-affect-future-habitat-quality-of-a-focal-species-in-eastern-canada-s-boreal-forest
#17
Junior A Tremblay, Yan Boulanger, Dominic Cyr, Anthony R Taylor, David T Price, Martin-Hugues St-Laurent
Many studies project future bird ranges by relying on correlative species distribution models. Such models do not usually represent important processes explicitly related to climate change and harvesting, which limits their potential for predicting and understanding the future of boreal bird assemblages at the landscape scale. In this study, we attempted to assess the cumulative and specific impacts of both harvesting and climate-induced changes on wildfires and stand-level processes (e.g., reproduction, growth) in the boreal forest of eastern Canada...
2018: PloS One
https://www.readbyqxmd.com/read/29414866/weed-suppressing-potential-and-isolation-of-potent-plant-growth-inhibitors-from-castanea-crenata-sieb-et-zucc
#18
Phung Thi Tuyen, Tran Dang Xuan, Truong Thi Tu Anh, Truong Mai Van, Ateeque Ahmad, Abdelnaser Abdelghany Elzaawely, Tran Dang Khanh
This study isolated, determined, and quantified plant growth inhibitors in Japanese chestnut (Castanea crenata Sieb. et Zucc), a deciduous species native to Japan and Korea. In laboratory assays, C. crenata leaves showed strong inhibition on germination and seedling growth of Echinochloa crus-galli (barnyardgrass), Lactuca sativa (lettuce), and Raphanus sativus (radish). Laboratory and greenhouse trials showed that leaves of C. crenata appeared as a promising material to manage weeds, especially the dicot weeds...
February 7, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29412365/effects-of-mineral-trioxide-aggregate-biodentinetm-and-calcium-hydroxide-on-viability-proliferation-migration-and-differentiation-of-stem-cells-from-human-exfoliated-deciduous-teeth
#19
Leandro Borges Araújo, Leopoldo Cosme-Silva, Ana Paula Fernandes, Thais Marchini de Oliveira, Bruno das Neves Cavalcanti, João Eduardo Gomes Filho, Vivien Thiemy Sakai
The aim of the study was to evaluate the effects of the capping materials mineral trioxide aggregate (MTA), calcium hydroxide (CH) and BiodentineTM (BD) on stem cells from human exfoliated deciduous teeth (SHED) in vitro. SHED were cultured for 1 - 7 days in medium conditioned by incubation with MTA, BD or CH (1 mg/mL), and tested for viability (MTT assay) and proliferation (SRB assay). Also, the migration of serum-starved SHED towards conditioned media was assayed in companion plates, with 8 μm-pore-sized membranes, for 24 h...
February 1, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29411473/morphological-and-chemical-changes-in-human-deciduous-dentin-after-phosphoric-acid-self-etching-adhesive-and-er-yag-laser-conditioning
#20
María de Los Angeles Moyaho-Bernal, Rosalía Contreras-Bulnes, Laura Emma Rodríguez-Vilchis, Efraín Rubio-Rosas, Rogelio José Scougall-Vilchis, Claudia Centeno-Pedraza
The morphological and chemical changes in deciduous dentin produced by different conditioning protocols were evaluated in this in vitro study. Eighty primary dentin samples were divided into eight groups (n = 10): G1, acid etching; G2, self-etching adhesive; G3, G4, Er: YAG laser irradiation at 25.5 and 38.2 J cm-2 , respectively; 10 Hz and spray irrigation. Groups 5, 6, 7, and 8 were irradiated at previous densities, and then phosphoric acid or self-etching adhesive conditioning was applied. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were used to evaluate chemical and morphological changes...
February 7, 2018: Microscopy Research and Technique
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