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Decidualization

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https://www.readbyqxmd.com/read/27912009/resource-stoichiometry-and-the-biogeochemical-consequences-of-nitrogen-deposition-in-a-mixed-deciduous-forest
#1
Meghan G Midgley, Richard P Phillips
Ecosystems often show differential sensitivity to chronic nitrogen (N) deposition; hence, a critical challenge is to improve our understanding of how and why site-specific factors mediate biogeochemical responses to N enrichment. We examined the extent to which N impacts on soil carbon (C) and N dynamics depend on microbial resource stoichiometry. We added N to forest plots dominated by ectomycorrhizal (ECM) trees, which have litter and soil pools rich in organic N and relatively wide C:N ratios, and adjacent forest plots dominated by arbuscular mycorrhizal (AM) trees, which have litter and soil pools rich in inorganic N and relatively narrow C:N ratios...
December 2016: Ecology
https://www.readbyqxmd.com/read/27905000/decidual-natural-killer-cells-and-the-immune-microenvironment-at-the-maternal-fetal-interface
#2
REVIEW
Binqing Fu, Haiming Wei
During early pregnancy, an orchestrated evolutionary maternal adaption toward tolerance of the semiallogeneic fetus is required to ensure decidualization and early embryo development. Remodeling of the immune system involves natural killer cells (NKs), macrophages, T cells and dendritic cells (DCs) altering the microenvironment in the deciduas. In particular, a unique population of NK cells with a CD56(bright)CD16(-) phenotype in the decidua has been proposed to play a key role in the maternal adaptation to pregnancy...
November 29, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27902281/acidicapsa-acidisoli-sp-nov-from-the-acidic-soil-of-a-deciduous-forest
#3
Heizo Matsuo, Chisaki Kudo, Juan Li, Akio Tonouchi
A bacterial strain designated strain SK-11T was isolated from the acidic soil of a deciduous forest in the Shirakami Mountains in Japan. Cells of strain SK-11T were aerobic, non-motile, Gram-stain-negative rods, 0.7-1.0 µm in width and 1.0-1.4 µm in length. The pH range for growth was between 4.0 and 5.5, with an optimum at 5.0. The temperature range for growth was between 10°C and 35°C, with an optimum at around 25-30°C. Strain SK-11T utilized various carbohydrates as growth substrates as well as yeast extract and protein hydrolysates...
November 23, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27895621/immune-modulatory-effects-of-human-chorionic-gonadotropin-on-dendritic-cells-supporting-fetal-survival-in-murine-pregnancy
#4
Dominique Dauven, Stefanie Ehrentraut, Stefanie Langwisch, Ana Claudia Zenclussen, Anne Schumacher
Dendritic cells (DCs) are critically involved in the determination of immunity vs. tolerance. Hence, DCs are key regulators of immune responses either favoring or disfavoring fetal survival. Several factors were proposed to modulate DC phenotype and function during pregnancy. Here, we studied whether the pregnancy hormone human chorionic gonadotropin (hCG) is involved in DC regulation. In vitro, bone marrow-derived DCs (BMDCs) were stimulated in the presence or absence of urine-purified or recombinant hCG (rhCG) preparations...
2016: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/27893299/does-apoptotic-activity-have-a-role-in-the-development-of-the-placental-abruption
#5
Adnan Incebiyik, Hacer Uyanikoglu, Nese Gul Hilali, Sibel Sak, Ahmet Berkiz Turp, Muhammet Erdal Sak
OBJECTIVE: The purpose of the present study is to analyse the role of apoptotic activity in placental abruption development by evaluating the level of plasma M30-M65. METHODS: The study group included 46 pregnant women who underwent caesarean sections because of placental abruption, and the control group included 48 pregnant women who underwent caesarean sections because of obstetric causes. Venous blood samples were received from all expectants before starting the caesarean section for the purpose of evaluating the M30-M65 levels, which are indicators of apoptotic activity in maternal plasma...
November 28, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27891347/decidual-cd56-natural-killer-cells-in-spontaneous-early-pregnancy-loss-an-immunohistochemical-study
#6
Balamurugan Senthilnayagam, Sridhar Karthikeyan, Jayapriya Sukumaran, Anoop Srivalsan, Ramesh Rao, Vasantha Subbiah
INTRODUCTION: Natural killer cells are believed to promote placental and trophoblastic growth and provide immune- modulation at maternal-fetal interface in pregnancy and their role in reproductive failure has been a matter of discussion. AIM: To study CD56+ Natural killer cells in spontaneous pregnancy loss. MATERIALS AND METHODS: In this prospective observational study, formalin-fixed paraffin embedded sections from products of conception from twenty women each with spontaneous early pregnancy loss (test group) and elective pregnancy termination (control group)...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890316/is-there-a-dependence-between-children-s-body-weight-and-the-concentration-of-metals-in-deciduous-teeth
#7
Agnieszka Fischer, Danuta Wiechuła
Malnutrition, manifested by both overweight and underweight, can lead to serious health consequences. The subject of the study was to determine the concentration of elements such as chromium (Cr), calcium (Ca), copper (Cu), iron (Fe) and manganese (Mn) in children's deciduous teeth in relation to their body weight. The calculated body mass index (BMI) values and an application of the growth chart showed that 59% of children among the studied sample had normal weight. In 41% of children, weight disorders were observed including underweight - 28% and overweight - 12%...
September 19, 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/27889244/medicinal-uses-chemistry-and-pharmacology-of-dillenia-species-dilleniaceae
#8
REVIEW
Carla W Sabandar, Juriyati Jalil, Norizan Ahmat, Nor-Ashila Aladdin
The genus Dillenia is comprised of about 100 species of evergreen and deciduous trees or shrubs of disjunct distribution in the seasonal tropics of Madagascar through South and South East Asia, Malaysia, North Australia, and Fiji. Species from this genus have been widely used in medicinal folklore to treat cancers, wounds, jaundice, fever, cough, diabetes mellitus, and diarrhea as well as hair tonics. The plants of the genus also produce edible fruits and are cultivated as ornamental plants. Flavonoids, triterpenoids, and miscellaneous compounds have been identified in the genus...
November 23, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27884719/systematic-review-and-meta-analysis-of-randomised-controlled-trials-on-the-effectiveness-of-school-based-dental-screening-versus-no-screening-on-improving-oral-health-in-children
#9
REVIEW
Easter Joury, Eduardo Bernabe, Wael Sabbah, Kamal Nakhleh, Kurinchi Gurusamy
OBJECTIVES: The current study aimed to evaluate the effectiveness of school-based dental screening versus no screening on improving oral health in children aged 3-18 years by a systematic review and meta-analysis of randomised controlled trials. SOURCES AND STUDY SELECTION: Three sets of independent reviewers searched MEDLINE, EMBASE, Web of Science and other sources through April 2016 to identify published and nonpublished studies without language restrictions and extracted data...
November 22, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27883224/basic-fibroblast-growth-factor-regulates-rex1-expression-via-il-6-in-stem-cells-isolated-from-human-exfoliated-deciduous-teeth
#10
Nunthawan Nowwarote, Waleerat Sukarawan, Prasit Pavasant, Thanaphum Osathanon
Basic fibroblast growth factor (bFGF) regulates pluripotent marker expression and cellular differentiation in various cell types. However, the mechanism by which bFGF regulates REX1 expression in stem cells isolated from human exfoliated deciduous teeth (SHEDs) remains unclear. The aim of the present study was to investigate the regulation of REX1 expression by bFGF in SHEDs. SHEDs were isolated and characterized. Their mRNA and protein expression levels were determined using real-time polymerase chain reaction and enzyme-linked immunosorbent assay, respectively...
November 24, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27882507/plant-phenological-observations-in-rural-and-industrial-central-italy-areas
#11
Fabio Orlandi, L Ruga, T Bonofiglio, F Aguilera, A Ranfa, M Bodesmo, M Fornaciari
The physiological stress caused by particular pollution conditions can result in phenological phase shifts that can include a block in vegetative or reproductive development. The main aim of the present study was to determine and analyse the mean development trends of some winter deciduous species in comparison to the climate tendencies, as calculated within two phenological gardens in the Arezzo and Perugia areas of central Italy. Moreover, a phenological comparison between the guide species of the two phenological gardens, one located in an industrial area, and the other in a farming area, was carried out...
December 0: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27882087/increased-apoptosis-rate-of-human-decidual-cells-and-cytotrophoblasts-in-patients-with-recurrent-spontaneous-abortion-as-a-result-of-abnormal-expression-of-cdkn1a-and-bax
#12
Xiaomei Lv, Zhenhong Cai, Su Li
In the present study, we analyzed the proliferation and apoptosis of trophoblasts and human decidual cells in patients with recurrent spontaneous abortion and the related cellular pathway mechanism. Thirty-four patients with recurrent abortion and 30 healthy pregnant women undergoing planned artificial abortion were selected. The trophoblast and decidual cells were collected by negative pressure aspiration technique. TUNEL method was used to detect the apoptosis rate. Immunohistochemical method was used for detection of TP53 protein...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881993/transcriptome-analysis-and-identification-of-genes-associated-with-floral-transition-and-flower-development-in-sugar-apple-annona-squamosa-l
#13
Kaidong Liu, Shaoxian Feng, Yaoling Pan, Jundi Zhong, Yan Chen, Changchun Yuan, Haili Li
Sugar apple (Annona squamosa L.) is a semi-deciduous subtropical tree that progressively sheds its leaves in the spring. However, little information is available on the mechanism involved in flower developmental pattern. To gain a global perspective on the floral transition and flower development of sugar apple, cDNA libraries were prepared independently from inflorescent meristem and three flowering stages. Illumina sequencing generated 107,197,488 high quality reads that were assembled into 71,948 unigenes, with an average sequence length of 825...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27881798/acclimation-of-leaf-water-status-and-stem-hydraulics-to-drought-and-tree-neighbourhood-alternative-strategies-among-the-saplings-of-five-temperate-deciduous-tree-species
#14
Torben Lübbe, Bernhard Schuldt, Christoph Leuschner
Adjustment in leaf water status parameters and modification in xylem structure and functioning can be important elements of a tree's response to continued water limitation. In a growth trial with saplings of five co-occurring temperate broad-leaved tree species (genera Fraxinus, Acer, Carpinus, Tilia and Fagus) conducted in moist or dry soil, we compared the drought acclimation in several leaf water status and stem hydraulic parameters. Considering the extremes in the species responses, Fraxinus excelsior L...
November 22, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27871460/placental-histological-lesions-in-fetal-and-neonatal-alloimmune-thrombocytopenia-a-retrospective-cohort-study-of-21-cases
#15
Estelle Dubruc, Frédérique Lebreton, Catherine Giannoli, Muriel Rabilloud, Cyril Huissoud, Mojgan Devouassoux-Shisheboran, Fabienne Allias
BACKGROUND: Alloimmunization against human platelet antigens (HPAs) can occur prenatally and induce fetal/neonatal alloimmune thrombocytopenia (FNAIT). The aim of this study was to identify placental histological features associated with platelet alloimmunization and their clinical significance. METHODS: This study examined 21 placentas from FNAIT-affected pregnancies and 42 age-matched control cases, all collected from pathology departments in the Rhône-Alpes region...
December 2016: Placenta
https://www.readbyqxmd.com/read/27871176/in-vivo-angiogenic-capacity-of-stem-cells-from-human-exfoliated-deciduous-teeth-with-human-umbilical-vein-endothelial-cells
#16
Ji-Hye Kim, Gee-Hye Kim, Jae-Won Kim, Hee Jang Pyeon, Jae Cheoun Lee, Gene Lee, Hyun Nam
Dental pulp is a highly vascularized tissue requiring adequate blood supply for successful regeneration. In this study, we investigated the functional role of stem cells from human exfoliated deciduous teeth (SHEDs) as a perivascular source for in vivo formation of vessel-like structures. Primarily isolated SHEDs showed mesenchymal stem cell (MSC)-like characteristics including the expression of surface antigens and in vitro osteogenic and adipogenic differentiation potentials. Moreover, SHEDs were positive for NG2, α-smooth muscle actin (SMA), platelet-derived growth factor receptor beta (PDGFRβ), and CD146 as pericyte markers...
November 30, 2016: Molecules and Cells
https://www.readbyqxmd.com/read/27871060/involvement-of-serum-glucocorticoid-regulated-kinase-1-in-reproductive-success
#17
REVIEW
Yiyun Lou, Minhao Hu, Luna Mao, Yingming Zheng, Fan Jin
Reproductive processes, in particular events that concern pregnancy, are fine-tuned to produce offspring. Reproductive success is of prime importance for the survival of every species. The highly conserved and ubiquitously expressed serum glucocorticoid-regulated kinase 1 (SGK1) was first implicated in infertility as a regulator of a Na(+) channel. In this review, we emphasize the prominent role of SGK1 during early pregnancy: 1) balancing uterine luminal fluid secretion and reabsorption to aid blastocyst adhesion and to import nutrients and energy; 2) transducing signals from the blastocyst to the receptive endometrium; 3) inducing multiple genes that are involved in uterine receptivity and trophoblast invasion; 4) regulating cell differentiation and antioxidant defenses at the fetomaternal interface; and 5) contributing to the proliferation and survival of decidual stromal cells...
November 9, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27864266/unusual-twig-twistiness-in-pawpaw-asimina-triloba-provides-biomechanical-protection-for-distal-foliage-in-high-winds
#18
Katherine R Goodrich, Luis A Ortiz, David J Coughlin
PREMISE OF STUDY: Deciduous woody species invest considerable resources in the growth of new foliage and distal stems. This new growth is at risk for mechanical damage from high winds and storms. Pawpaw has large leaves borne distally on thin twigs. Following a storm, pawpaw branches sometimes exhibit a persistent "flipped" orientation, slowly returning upright over 24 h. We investigated biomechanical properties of pawpaw twigs, comparing them to co-occurring species with similarly high leaf areas and loads, which do not exhibit this "flipping"...
November 18, 2016: American Journal of Botany
https://www.readbyqxmd.com/read/27862629/secreted-ectodomain-of-sialic-acid-binding-ig-like-lectin-9-and-mcp-1-synergistically-regenerate-transected-rat-peripheral-nerves-by-altering-macrophage-polarity
#19
Fumiya Kano, Kohki Matsubara, Minoru Ueda, Hideharu Hibi, Akihito Yamamoto
Peripheral nerves exhibit remarkable self-repairing reparative activity after a simple crush or cut injury. However, the neuronal transection involving a nerve gap overwhelms their repairing activity and causes persistent paralysis. Here, we show that an implantation of the serum-free conditioned medium from stem cells from human exfoliated deciduous teeth (SHED-CM) immersed in a collagen sponge into the nerve gap formed by rat facial nerves transection restored the neurological function. In contrast, SHED-CM specifically depleted of a set of anti-inflammatory M2 macrophage inducers, Monocyte monocyte chemoattractant protein-1 (MCP-1) and the secreted ectodomain of sialic acid-binding Ig-like lectin-9 (sSiglec-9) lost the ability to restore neurological function in this model...
November 10, 2016: Stem Cells
https://www.readbyqxmd.com/read/27862405/decidualization-of-the-canine-uterus-from-early-until-late-gestational-in-vivo-morphological-observations-and-functional-characterization-of-immortalized-canine-uterine-stromal-cell-lines
#20
F R Graubner, I M Reichler, N A Rahman, R Payan-Carreira, A Boos, M P Kowalewski
The apparent lack of classical mechanisms for maternal recognition of pregnancy is one of the most intriguing features of canine reproduction. Consequently, similar levels of circulating luteal steroids are observed in pregnant and non-pregnant dogs. However, the early pre-implantation canine embryo locally modulates uterine responses to its presence, facilitating the successful onset of pregnancy. As a part of this interaction, the canine uterus undergoes a species-specific decidualization. Maternal stroma-derived decidual cells develop, the only cells of the canine placenta expressing progesterone receptor (PGR)...
November 15, 2016: Reproduction in Domestic Animals, Zuchthygiene
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