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Early growth response

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https://www.readbyqxmd.com/read/29244803/changes-in-brain-morphology-and-microstructure-in-relation-to-early-brain-activity-in-extremely-preterm-infants
#1
Maria Luisa Tataranno, Nathalie H P Claessens, Pim Moeskops, Mona C Toet, Karina J Kersbergen, Giuseppe Buonocore, Ivana Išgum, Alexander Leemans, Serena Counsell, Floris Groenendaal, Linda S de Vries, Manon J N L Benders
OBJECTIVE: To investigate the relation of early brain activity with structural (growth of the cortex and cerebellum) and white matter microstructural brain development. METHODS: 33 preterm neonates (gestational age 26±1 weeks) without major brain abnormalities were continuously monitored with electroencephalography (EEG) during the first 48 h of life. Rate of spontaneous activity transients per minute (SAT rate) and interSAT interval (ISI) in seconds per minute were calculated...
December 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29244146/ezh2-mutations-found-in-the-weaver-overgrowth-syndrome-cause-a-partial-loss-of-h3k27-histone-methyltransferase-activity
#2
Julian C Lui, Kevin M Barnes, Lijin Dong, Shanna Yue, Evan Graber, Robert Rapaport, Andrew Dauber, Ola Nilsson, Jeffrey Baron
Context: Weaver syndrome is characterized by tall stature, advanced bone age, characteristic facies, and variable intellectual disability. It is caused by heterozygous mutations in EZH2, a histone methyltransferase responsible for H3K27 trimethylation. However, no early truncating mutations have been identified, suggesting that null mutations do not cause Weaver syndrome. Objective: To test alternative hypotheses that EZH2 variants found in Weaver syndrome either cause a gain of function or a partial loss of function...
December 13, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29240779/impact-of-maternal-high-fat-diet-on-hypothalamic-transcriptome-in-neonatal-sprague-dawley-rats
#3
Sanna Barrand, Tamsyn M Crowley, Ryan J Wood-Bradley, Kirstie A De Jong, James A Armitage
Maternal consumption of a high fat diet during early development has been shown to impact the formation of hypothalamic neurocircuitry, thereby contributing to imbalances in appetite and energy homeostasis and increasing the risk of obesity in subsequent generations. Early in postnatal life, the neuronal projections responsible for energy homeostasis develop in response to appetite-related peptides such as leptin. To date, no study characterises the genome-wide transcriptional changes that occur in response to exposure to high fat diet during this critical window...
2017: PloS One
https://www.readbyqxmd.com/read/29238968/immigrants-coping-with-transnational-deaths-and-bereavement-the-influence-of-migratory-loss-and-anticipatory-grief
#4
Olena Nesteruk
This study examines immigrants' experiences of bereavement and coping with the deaths of family members in a transnational context. Data were collected through in-depth personal interviews with middle-aged and older immigrants from different countries of origin, who have been living in the United States for a majority of their adult lives. Thematic analysis of participants' narratives showed that immigrants' geographic distance from family complicated caregiving circumstances and rituals surrounding burial, and impacted the grieving process...
December 14, 2017: Family Process
https://www.readbyqxmd.com/read/29237353/role-of-geometrical-cues-in-bone-marrow-derived-mesenchymal-stem-cell-survival-growth-and-osteogenic-differentiation
#5
Dhanak Gupta, David M Grant, Kazi M Zakir Hossain, Ifty Ahmed, Virginie Sottile
Mesenchymal stem cells play a vital role in bone formation process by differentiating into osteoblasts, in a tissue that offers not a flat but a discontinuous three-dimensional (3D) topography in vivo. In order to understand how geometry may be affecting mesenchymal stem cells, this study explored the influence of 3D geometry on mesenchymal stem cell-fate by comparing cell growth, viability and osteogenic potential using monolayer (two-dimensional, 2D) with microsphere (3D) culture systems normalised to surface area...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29237352/influence-of-patterned-titanium-coatings-on-polarization-of-macrophage-and-osteogenic-differentiation-of-bone-marrow-stem-cells
#6
Zequan Zhang, Youtao Xie, Houhua Pan, Liping Huang, Xuebin Zheng
Biomaterial surface topography plays a vital role in the osteointegration of implants by regulating the early cell responses and tissue growth-in. However, most of the previous researches focused on the effects of osteogenic cells, only a little is known about the immune cells which dominate osteogenesis after implanting. In this paper, patterned titanium coatings were fabricated and the effects of surface topography on the macrophage behaviors were investigated. On patterned titanium surface, macrophages preferred to polarize to M2, while macrophages on traditional titanium coatings presented higher M1 polarization...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29237275/an-exploratory-longitudinal-study-of-social-and-language-outcomes-in-children-with-autism-in-bilingual-home-environments
#7
Vanessa Zhou, Jeffrey A Munson, Jessica Greenson, Yan Hou, Sally Rogers, Annette M Estes
Little is known about outcomes of early intervention for children with autism spectrum disorder reared in bilingual homes. There are concerns that social communication deficits among children with autism spectrum disorder may reduce the developmental benefits of early intervention for children with autism spectrum disorder raised in bilingual environments. We conducted an exploratory analysis of cross-sectional and longitudinal data from a larger study to explore associations between home language environment and language ability and social skills in response to early autism spectrum disorder intervention...
December 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/29237009/recent-trends-in-chemotherapy-use-and-oncologists-treatment-recommendations-for-early-stage-breast-cancer
#8
Allison W Kurian, Irina Bondarenko, Reshma Jagsi, Christopher R Friese, M Chandler McLeod, Sarah T Hawley, Ann S Hamilton, Kevin C Ward, Timothy P Hofer, Steven J Katz
Background: There is growing concern about overtreatment of breast cancer as outcomes have improved over time. However, little is known about how chemotherapy use and oncologists' recommendations have changed in recent years. Methods: We surveyed 5080 women (70% response rate) diagnosed with breast cancer between 2013 and 2015 and accrued through two Surveillance, Epidemiology, and End Results registries (Georgia and Los Angeles) about chemotherapy receipt and their oncologists' chemotherapy recommendations...
December 11, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29236696/dual-role-of-starvation-signaling-in-promoting-growth-and-recovery
#9
Yonat Gurvich, Dena Leshkowitz, Naama Barkai
Growing cells are subject to cycles of nutrient depletion and repletion. A shortage of nutrients activates a starvation program that promotes growth in limiting conditions. To examine whether nutrient-deprived cells prepare also for their subsequent recovery, we followed the transcription program activated in budding yeast transferred to low-phosphate media and defined its contribution to cell growth during phosphate limitation and upon recovery. An initial transcription wave was induced by moderate phosphate depletion that did not affect cell growth...
December 2017: PLoS Biology
https://www.readbyqxmd.com/read/29235250/discovery-and-mechanistic-elucidation-of-a-class-of-pdi-inhibitors-for-the-treatment-of-glioblastoma
#10
Anahita Kyani, Shuzo Tamura, Suhui Yang, Andrea Shergalis, Soma Somanta, Yuting Kuang, Mats Ljungman, Nouri Neamati
Protein disulfide isomerase (PDI) is overexpressed in glioblastoma, the most aggressive form of brain cancer, and folds nascent proteins responsible for the progression and spread of the disease. Herein, we describe a novel, nanomolar PDI inhibitor, pyrimidotriazinedione 35G8, that is toxic in a panel of human glioblastoma cell lines. We performed a medium throughput 20,000-compound screen of a diverse subset of 1,000,000 compounds to identify cytotoxic small molecules. Cytotoxic compounds were screened for PDI inhibition, and, from the screen, 35G8 emerged as the most cytotoxic inhibitor of PDI...
December 12, 2017: ChemMedChem
https://www.readbyqxmd.com/read/29235167/care-for-child-development-an-intervention-in-support-of-responsive-caregiving-and-early-child-development
#11
J E Lucas, L M Richter, B Daelmans
BACKGROUND: An estimated 43% of children younger than 5 years of age are at elevated risk of failing to achieve their human potential. In response, the World Health Organization and UNICEF developed Care for Child Development (CCD), based on the science of child development, to improve sensitive and responsive caregiving and promote the psychosocial development of young children. METHODS: In 2015, the World Health Organization and UNICEF identified sites where CCD has been implemented and sustained...
January 2018: Child: Care, Health and Development
https://www.readbyqxmd.com/read/29235113/postnatal-effects-of-intrauterine-treatment-of-the-growth-restricted-ovine-fetus-with-intra-amniotic-insulin-like-growth-factor-1
#12
A M Spiroski, M H Oliver, A L Jaquiery, T C R Prickett, E A Espiner, J E Harding, F H Bloomfield
Placental insufficiency-mediated fetal growth restriction (FGR) is associated with altered postnatal growth and metabolism, which are, in turn, associated with increased risk of adult disease. Intra-amniotic insulin-like growth factor-1 (IGF1) treatment of ovine FGR increases growth rate in late gestation, but the effects on postnatal growth and metabolism are unknown. We investigated the effects of intra-amniotic IGF1 administration to ovine fetuses with uteroplacental embolisation-induced FGR on phenotypic and physiologic characteristics in the two weeks after birth...
December 12, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29234346/involvement-of-sodium-nitroprusside-snp-in-the-mechanism-that-delays-stem-bending-of-different-gerbera-cultivars
#13
Aung H Naing, Kyoungsun Lee, Kyoung-Ook Kim, Trinh N Ai, Chang K Kim
Longevity of cut flowers of many gerbera cultivars (Gerbera jamesonii) is typically short because of stem bending; hence, stem bending that occurs during the early vase life period is a major problem in gerbera. Here, we investigated the effects of sodium nitroprusside (SNP) on the delay of stem bending in the gerbera cultivars, Alliance, Rosalin, and Bintang, by examining relative fresh weight, bacterial density in the vase solution, transcriptional analysis of a lignin biosynthesis gene, antioxidant activity, and xylem blockage...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29233984/prodigious-submarine-landslides-during-the-inception-and-early-growth-of-volcanic-islands
#14
James E Hunt, Ian Jarvis
Volcanic island inception applies large stresses as the ocean crust domes in response to magma ascension and is loaded by eruption of lavas. There is currently limited information on when volcanic islands are initiated on the seafloor, and no information regarding the seafloor instabilities island inception may cause. The deep sea Madeira Abyssal Plain contains a 43 million year history of turbidites among which many originate from mass movements in the Canary Islands. Here, we investigate the composition and timing of a distinctive group of turbidites that we suggest represent a new unique record of large-volume submarine landslides triggered during the inception, submarine shield growth, and final subaerial emergence of the Canary Islands...
December 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/29233929/single-cell-rna-seq-reveals-a-subpopulation-of-prostate-cancer-cells-with-enhanced-cell-cycle-related-transcription-and-attenuated-androgen-response
#15
Aaron M Horning, Yao Wang, Che-Kuang Lin, Anna D Louie, Rohit R Jadhav, Chia-Nung Hung, Chiou-Miin Wang, Chun-Lin Lin, Nameer B Kirma, Michael A Liss, Addanki P Kumar, LuZhe Sun, Zhijie Liu, Wei-Ting Chao, Qianben Wang, Victor X Jin, Chun-Liang Chen, Tim H-M Huang
Increasing evidence suggests the presence of minor cell subpopulations in prostate cancer that are androgen independent and poised for selection as dominant clones after androgen-deprivation therapy. In this study, we investigated this phenomenon by stratifying cell subpopulations based on transcriptome profiling of 144 single LNCaP prostate cancer cells treated or untreated with androgen after cell cycle synchronization. Model-based clustering of 397 differentially expressed genes identified eight potential subpopulations of LNCaP cells, revealing a previously unappreciable level of cellular heterogeneity to androgen stimulation...
December 12, 2017: Cancer Research
https://www.readbyqxmd.com/read/29233882/dysregulation-of-autophagy-as-a-common-mechanism-in-lysosomal-storage-diseases
#16
REVIEW
Elena Seranova, Kyle J Connolly, Malgorzata Zatyka, Tatiana R Rosenstock, Timothy Barrett, Richard I Tuxworth, Sovan Sarkar
The lysosome plays a pivotal role between catabolic and anabolic processes as the nexus for signalling pathways responsive to a variety of factors, such as growth, nutrient availability, energetic status and cellular stressors. Lysosomes are also the terminal degradative organelles for autophagy through which macromolecules and damaged cellular components and organelles are degraded. Autophagy acts as a cellular homeostatic pathway that is essential for organismal physiology. Decline in autophagy during ageing or in many diseases, including late-onset forms of neurodegeneration is considered a major contributing factor to the pathology...
December 12, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/29233778/phenotypic-indications-of-ftsz-inhibition-in-hok-sok-induced-bacterial-growth-changes-and-stress-response
#17
ChinweU Chukwudi, Liam Good
The hok/sok locus has been shown to enhance the growth of bacteria in adverse growth conditions such as high temperature, low starting-culture densities and antibiotic treatment. This is in addition to their well-established plasmid-stabilization effect via post-segregational killing of plasmid-free daughter cells. It delays the onset of growth by prolonging the lag phase of bacterial culture, and increases the rate of exponential growth when growth eventually begins. This enables the cells adapt to the prevailing growth conditions and enhance their survival in stressful conditions...
December 9, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29233089/de-novo-transcriptome-assembly-from-flower-buds-of-dioecious-gynomonoecious-and-chemically-masculinized-female-coccinia-grandis-reveals-genes-associated-with-sex-expression-and-modification
#18
Ravi Suresh Devani, Sangram Sinha, Jayeeta Banerjee, Rabindra Kumar Sinha, Abdelhafid Bendahmane, Anjan Kumar Banerjee
BACKGROUND: Coccinia grandis (ivy gourd), is a dioecious member of Cucurbitaceae having heteromorphic sex chromosomes. Chromosome constitution of male and female plants of C. grandis is 22A + XY and 22A + XX respectively. Earlier we showed that a unique gynomonoecious form of C. grandis (22A + XX) also exists in nature bearing morphologically hermaphrodite flowers (GyM-H). Additionally, application of silver nitrate (AgNO3) on female plants induces stamen development leading to the formation of morphologically hermaphrodite flowers (Ag-H) despite the absence of Y-chromosome...
December 12, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29233068/altered-functional-expression-of-%C3%AE-adrenergic-receptors-in-rhesus-monkey-embryonic-stem-cell-derived-cardiomyocytes
#19
Nermeen Ahmed Mohamed Eldabah, Erastus Nembu Nembo, Judith Semmler, Marina Penner, Marek Molcanyi, Rania Swelem, Amina Hassab, Juergen Hescheler, Filomain Nguemo
Pluripotent stem cells have demonstrated the potential to generate large numbers of functional cardiomyocytes (CMs) from different cell sources. Besides Wnt signaling, additional pathways are involved in early cardiac development and function. To date however, no study exists showing the effects of perturbing the canonical Wnt pathway using non-human primate embryonic stem (ES) cells. Here we investigated the effect of canonical Wnt inhibition during differentiation of non-human primate ES cell-derived CMs under defined, growth factors conditions...
December 12, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29228577/egr1-regulates-cellular-metabolism-and-survival-in-endocrine-resistant-breast-cancer
#20
Ayesha N Shajahan-Haq, Simina M Boca, Lu Jin, Krithika Bhuvaneshwar, Yuriy Gusev, Amrita K Cheema, Diane D Demas, Kristopher S Raghavan, Ryan Michalek, Subha Madhavan, Robert Clarke
About 70% of all breast cancers are estrogen receptor alpha positive (ER+; ESR1). Many are treated with antiestrogens. Unfortunately, de novo and acquired resistance to antiestrogens is common but the underlying mechanisms remain unclear. Since growth of cancer cells is dependent on adequate energy and metabolites, the metabolomic profile of endocrine resistant breast cancers likely contains features that are deterministic of cell fate. Thus, we integrated data from metabolomic and transcriptomic analyses of ER+ MCF7-derived breast cancer cells that are antiestrogen sensitive (LCC1) or resistant (LCC9) that resulted in a gene-metabolite network associated with EGR1 (early growth response 1)...
November 14, 2017: Oncotarget
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