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Decidualization

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https://www.readbyqxmd.com/read/29672967/response-diversity-functional-redundancy-and-post-hyphen-logging-productivity-in-northern-temperate-and-boreal-forests
#1
David L P Correia, Frédéric Raulier, Mathieu Bouchard, Élise Filotas
The development of efficient ecosystem resilience indicators was identified as one of the key research priorities in the improvement of existing sustainable forest management frameworks. Two indicators of tree diversity associated with ecosystem functioning have recently received particular attention in the literature: functional redundancy (FR) and response diversity (RD). We examined how these indicators could be used to predict post{\hyphen}logging productivity in forests of Québec, Canada. We analysed the relationships between pre{\hyphen}logging FR and RD, as measured with sample plots, and post{\hyphen}logging productivity, measured as seasonal variation in Enhanced Vegetation Index obtained from MODIS satellite imagery...
April 19, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29670544/dynamic-alterations-in-salivary-microbiota-related-to-dental-caries-and-age-in-preschool-children-with-deciduous-dentition-a-2-year-follow-up-study
#2
Lei Xu, Xi Chen, Yuan Wang, Wen Jiang, Sa Wang, Zongxin Ling, Hui Chen
Dynamic alterations in oral microbiota are closely related to the development of dental caries;however, changes in salivary microbiota during this process have not been extensively studied. In addition, increasing evidence suggests that oral microbiome profiles differ according to dentition stages, but it is unclear whether they change with age during the same dentition, such as deciduous dentition. These two aspects were investigated in a 2-year follow-up study, and caries-free preschool children with complete deciduous dentition were enrolled...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29667264/metagenomic-analysis-of-oral-microbiome-in-young-children-aged-6-8-y-living-in-a-rural-isolated-chinese-province
#3
Yuan Xu, Yuhuan Jia, Liang Chen, Wenming Huang, Deqin Yang
BACKGROUND: The mixed dentition is an important transition period from primary teeth. to permanent teeth. However, the caries prevalence of first permanent molar in mixed dentitions was about 30%, which almost represent the caries rate of permanent teeth in this period of time. Therefore, we assessed the oral bacterial profiles in young children (age 6-8) with mixed dentition with or without first molar caries for providing the research basis of caries etiology. METHODS: We collected samples of supragingival plaque and saliva from the children living in Guizhou, a rural isolated province in China...
April 18, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29667035/hatching-delays-in-great-tits-and-blue-tits-in-response-to-an-extreme-cold-spell-a-long-term-study
#4
Michał Glądalski, Mirosława Bańbura, Adam Kaliński, Marcin Markowski, Joanna Skwarska, Jarosław Wawrzyniak, Piotr Zieliński, Jerzy Bańbura
Variation in ambient temperature affects various life stages of organisms. It has been suggested that climate change not only implies higher global temperatures but also more unpredictable weather and more frequent extreme weather events. Temperature has a major influence on the optimal laying-incubation-hatching dates of insectivorous passerines, because it poses energetic constraints and affects the timing of food abundance. We have been studying breeding characteristics of great tits Parus major and blue tits Cyanistes caeruleus in two areas, an urban parkland and a deciduous forest, around the city of Łódź since 2002...
April 17, 2018: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29665482/thermal-conditions-in-selected-urban-and-semi-natural-habitats-important-for-the-forensic-entomology
#5
Marek Michalski, Jerzy Nadolski
A long-term study on thermal conditions in selected urban and semi-natural habitats, where human corpses are likely to be found, was conducted in the city of Lodz (Central Poland). Thermal data were collected during two years at nine sites and compared with corresponding data from the nearest permanent meteorological station at Lodz Airport (ICAO code: EPLL). The conditions closest to those at the meteorological station prevailed in the deciduous forest, coefficient of determination R2 for those sets of data was above 0...
April 3, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29664954/plant-dna-metabarcoding-of-lake-sediments-how-does-it-represent-the-contemporary-vegetation
#6
Inger Greve Alsos, Youri Lammers, Nigel Giles Yoccoz, Tina Jørgensen, Per Sjögren, Ludovic Gielly, Mary E Edwards
Metabarcoding of lake sediments have been shown to reveal current and past biodiversity, but little is known about the degree to which taxa growing in the vegetation are represented in environmental DNA (eDNA) records. We analysed composition of lake and catchment vegetation and vascular plant eDNA at 11 lakes in northern Norway. Out of 489 records of taxa growing within 2 m from the lake shore, 17-49% (mean 31%) of the identifiable taxa recorded were detected with eDNA. Of the 217 eDNA records of 47 plant taxa in the 11 lakes, 73% and 12% matched taxa recorded in vegetation surveys within 2 m and up to about 50 m away from the lakeshore, respectively, whereas 16% were not recorded in the vegetation surveys of the same lake...
2018: PloS One
https://www.readbyqxmd.com/read/29664332/characterization-of-dental-phenotype-in-patients-with-cleidocranial-dysplasia-using-longitudinal-data
#7
Sang-Woon Ha, Yu-Jin Jung, Han-Sol Bae, Hyun-Mo Ryoo, Il-Sik Cho, Seung-Hak Baek
OBJECTIVE: To investigate the characteristics of the dental phenotype in patients with cleidocranial dysplasia (CCD) using longitudinal data. MATERIALS AND METHODS: Twelve unrelated Korean CCD patients were observed using a longitudinal series of radiographs and clinical photographs. Statistical analysis was performed on the dental phenotypic data. RESULTS: Although dysplasia of the clavicles, open fontanelle, and wormian bone were observed in all 12 patients, delayed fusion of the mandibular symphysis was found in four patients...
April 17, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29660541/how-to-reconcile-wood-production-and-biodiversity-conservation-the-pan-european-boreal-forest-history-gradient-as-an-experiment
#8
Vladimir Naumov, Michael Manton, Marine Elbakidze, Zigmars Rendenieks, Janis Priednieks, Siarhei Uhlianets, Taras Yamelynets, Anton Zhivotov, Per Angelstam
There are currently competing demands on Europe's forests and the finite resources and services that they can offer. Forestry intensification that aims at mitigating climate change and biodiversity conservation is one example. Whether or not these two objectives compete can be evaluated by comparative studies of forest landscapes with different histories. We test the hypothesis that indicators of wood production and biodiversity conservation are inversely related in a gradient of long to short forestry intensification histories...
April 13, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29660101/stand-development-and-other-intrinsic-factors-largely-control-fine-root-dynamics-with-only-subtle-modifications-from-resource-availability
#9
Mark D Coleman, Doug P Aubrey
Forest productivity depends on resource acquisition by ephemeral roots and leaves. A combination of intrinsic and environmental factors influences ephemeral organs; however, difficulties in studying belowground organs impede mechanistic understanding of fine-root production and turnover. To quantify factors controlling fine-root dynamics, we grew a deciduous hardwood (Populus deltoides Bartr.) and an evergreen conifer (Pinus taeda L.) with distinct soil moisture and nutrient availability treatments. We monitored fine-root dynamics with minirhizotrons for 6 years during early stand development and expressed results on a root length, biomass and mortality-risk basis...
April 5, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29659459/pediatric-zygomaticomaxillary-complex-fracture-repair-location-and-number-of-fixation-sites-in-growing-children
#10
J D Luck, Joseph Lopez, Muhammad Faateh, Alexandra Macmillan, Robin Yang, Edward H Davidson, Arthur Nam, Michael Grant, Anthony P Tufaro, Richard Redett, Paul N Manson, Amir H Dorafshar
BACKGROUND: Currently, there is a relative paucity of data investigating the operative management of displaced pediatric zygomaticomaxillary complex (ZMC) fractures. The purpose of this study was to assess ZMC fracture management and associated complications in the pediatric population, and potentially describe a standard treatment paradigm for pediatric ZMC fractures. METHODS: A retrospective cohort review was performed of all patients younger than 15 years-of-age presenting to a single institution with ZMC fractures from 1990-2010...
April 5, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29659350/does-dental-caries-affect-dental-development-in-children-and-adolescents
#11
Brunilda Dhamo, Besiana Elezi, Lea Kragt, Eppo B Wolvius, Edwin M Ongkosuwito
Although a link between dietary changes, caries, and dental development has been observed, the literature provides little insight about this relationship. The aim of our study was to investigate the association between dental caries and dental development in a clinical sample of Albanian children and adolescents. In total, 118 children and adolescents, born between 1995 and 2004 and aged 6-15 years, were included. Dental caries in the deciduous dentition was assessed using the Decayed, Filled Teeth (dft) index and dental caries in the permanent dentition was assessed using the Decayed, Missing, Filled Teeth (DMFT) index...
April 6, 2018: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29658436/thrombin-alters-human-endometrial-stromal-cell-differentiation-during-decidualization
#12
Samir N Babayev, Mohammed Kanchwala, Chao Xing, Yucel Akgul, Bruce R Carr, Ruth Ann Word
Vaginal bleeding and subchorionic hematomas are associated with increased risk of both early and late pregnancy loss. Thrombin generation may play a pivotal role in the development of these complications. To determine the effects of thrombin on human endometrial stromal cells (hESCs), cells were treated with thrombin at baseline or during decidualization with cyclic adenosine monophosphate (cAMP)+medroxyprogesterone acetate (MPA). Next-generation RNA sequencing revealed that markers of decidualization (IGF-1, IGFBP-1, and prolactin [PRL]) were induced after the initiation of decidualization, whereas thrombin suppressed insulin-like growth factor ( IGF)-1, Insulin-like growth factor binding protein ( IGFBP)-1, and PRL gene expression at baseline and during decidualization...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29657495/the-effects-of-temperature-on-extracted-teeth-of-different-age-groups-a-pilot-study
#13
Renjith George, Wesley Joel Tan, Agnes Liong Shih Yi, Preethy Mary Donald
Context: Type of dentition and age related changes may affect the behavior of dental hard tissues under thermal stress. Aim: This study was conducted to analyze the effects of varying temperatures on extracted teeth of different age groups in a simulated laboratory set up. Settings and Design: Experimental pilot study. Methods and Material: Extracted teeth from three age groups (deciduous, young permanent and adult permanent) were collected and were exposed to three different temperatures (400°C, 700°C and 1000°C) in a laboratory set up...
September 2017: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/29652608/immunomodulatory-role-of-stem-cell-from-human-exfoliated-deciduous-teeth-on-periodontal-regeneration
#14
Xianling Gao, Zongshan Shen, Meiliang Guan, Qiting Huang, Lingling Chen, Wei Qin, Xiaohu Ge, Haijia Chen, Yin Xiao, Zhengmei Lin
Periodontitis is initiated by the infection of periodontal bacteria and subsequent tissue inflammation due to immunoreaction, eventually leading to periodontal apparatus loss. Stem cells from human exfoliated deciduous teeth (SHEDs) have exhibited beneficial characteristics in dental tissue regeneration. However, the immunomodulatory functions of SHEDs have not been elucidated in the context of periodontitis treatment. In this study, we investigated the potential immunomodulatory effects of SHEDs on experimental periodontitis and demonstrated that multi-dose delivery of SHEDs led to periodontal tissue regeneration...
March 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29649156/using-landscape-analysis-to-test-hypotheses-about-drivers-of-tick-abundance-and-infection-prevalence-with-borrelia-burgdorferi
#15
A Michelle Ferrell, R Jory Brinkerhoff
Patterns of vector-borne disease risk are changing globally in space and time and elevated disease risk of vector-borne infection can be driven by anthropogenic modification of the environment. Incidence of Lyme disease, caused by the bacterium Borrelia burgdorferi sensu stricto, has risen in a number of locations in North America and this increase may be driven by spatially or numerically expanding populations of the primary tick vector, Ixodes scapularis . We used a model selection approach to identify habitat fragmentation and land-use/land cover variables to test the hypothesis that the amount and configuration of forest cover at spatial scales relevant to deer, the primary hosts of adult ticks, would be the predominant determinants of tick abundance...
April 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29643528/-comparison-of-the-properties-of-cd146-positive-and-cd146-negative-subpopulations-of-stem-cells-from-human-exfoliated-deciduous-teeth
#16
X T Wang, N Q Rao, T Jz Fang, Y M Zhao, L H Ge
OBJECTIVE: Stem cells from human exfoliated teeth (SHED) were sorted by magnetically activated cell sorting (MACS) technique to obtain the CD146 positive and negative cell subpopulation. Then the biological characteristics of these subpopulations were compared to explore their specific application potential in tissue engineering. METHODS: In this study, freshly extracted deciduous teeth without any caries or dental pulp disease were obtained. SHED was isolated using enzyme digestion method and then sorted by MACS, CD146 positive cells and CD146 negative cells were obtained after cell sorting...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29642803/expression-of-n-acetylglucosaminyltransferase-iii-promotes-trophoblast-invasion-and-migration-in-early-human-placenta
#17
Qinyin Deng, Xiru Liu, Zhongmei Yang, Lan Xie
INTRODUCTION: Trophoblast migration and invasion at the maternal-fetal interface are crucial events for normal placentation and successful pregnancy. This progress is well controlled by many placenta-specific factors. Inadequate trophoblast invasion results in poor placenta plantation or even complications such as preeclampsia. It has been shown that N-acetylglucosaminyltransferase III (GnT-III) participates in tumor invasion and metastasis as a suppressor; however, the expression of GnT-III and its role in normal pregnancy is unclear...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29628642/cytotoxicity-of-gypsum-based-biomaterial-for-direct-pulp-capping-using-stem-cells-from-human-exfoliated-deciduous-teeth
#18
Hasan Subhi, Fazal Reza, Adam Husein, Asma Abdullah Nurul
Aim: The aim of this study was to evaluate the cytotoxicity effects of experimental gypsum-based biomaterial prepared with various concentrations of chitosan (Gyp-CHT). Materials and Methods: The study was performed using cell viability assay for mitochondrial dehydrogenase activity in stem cells from human exfoliated deciduous teeth (SHED), after 1, 2, and 3 days of exposure to the biomaterial extracts of varying concentrations. Differences in mean cell viability values were assessed by one-way analysis of variance, followed by Dunnett T3 post hoc test for multiple comparisons ( P < 0...
January 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29626259/hypoxia-upregulates-the-expression-of-the-pluripotency-markers-in-the-stem-cells-from-human-deciduous-teeth
#19
Stefanie Bressan Werle, Pedro Chagastelles, Patricia Pranke, Luciano Casagrande
OBJECTIVES: Cultivation under hypoxia promotes different responses in the mesenchymal stem cells and it has been producing promising results for clinical applications. Pulp tissue from deciduous teeth is a source of stem cells which has a high proliferative potential but this is usually discarded. This study has evaluated the effects of hypoxia on proliferation, apoptosis, and the expression of the pluripotency-related genes of the stem cells from human exfoliated deciduous teeth (SHED)...
April 7, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29620583/inflammatory-myofibroblastic-tumor-arising-in-the-cul-de-sac-mimicking-ectopic-decidua
#20
Ioannis Ioannidis, Jui-Han Huang
Extra-ovarian neoplasms incidentally discovered during cesarean section are very rare. Here we report a case of inflammatory myofibroblastic tumor found during cesarean section of a 30-year-old, full-term woman, forming a mass in her cul-de-sac. Histology revealed an extensively decidualized spindle cell process, positive for anaplastic large cell lymphoma kinase (ALK) through immunohistochemistry and fluorescent in situ hybridization (FISH). To the best of our knowledge, this is the first presentation of inflammatory myofibroblastic tumor in this location without concurrent intrauterine component, that additionally demonstrates this degree of decidualization, mimicking ectopic decidua...
April 3, 2018: International Journal of Gynecological Pathology
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