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https://www.readbyqxmd.com/read/29786908/opposing-patterns-of-intraspecific-and-interspecific-differentiation-in-sex-chromosomes-and-autosomes
#1
Peter A Moran, Sonia Pascoal, Timothee Cezard, Judith E Risse, Michael G Ritchie, Nathan W Bailey
Linking intraspecific and interspecific divergence is an important challenge in speciation research. X chromosomes are expected to evolve faster than autosomes and disproportionately contribute to reproductive barriers, and comparing genetic variation on X and autosomal markers within and between species can elucidate evolutionary processes that shape genome variation. We performed RADseq on a 16-population transect of two closely-related Australian cricket species, Teleogryllus commodus and T. oceanicus, covering allopatry and sympatry...
May 22, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29786852/evolution-of-lobar-abnormalities-of-cerebral-glucose-metabolism-in-41-children-with-drug-resistant-epilepsy
#2
Tuhina Govil-Dalela, Ajay Kumar, Michael E Behen, Harry T Chugani, Csaba Juhász
OBJECTIVE: We analyzed long-term changes of lobar glucose metabolic abnormalities in relation to clinical seizure variables and development in a large group of children with medically refractory epilepsy. METHODS: Forty-one children (25 males) with drug-resistant epilepsy had a baseline positron emission tomography (PET) scan at a median age of 4.7 years; the scans were repeated after a median of 4.3 years. Children with progressive neurological disorders or space-occupying lesion-related epilepsy and those who had undergone epilepsy surgery were excluded...
May 22, 2018: Epilepsia
https://www.readbyqxmd.com/read/29786763/mir-124-promotes-proliferation-and-neural-differentiation-of-neural-stem-cells-through-targeting-dact1-and-activating-wnt-%C3%AE-catenin-pathways
#3
Shujie Jiao, Yaling Liu, Yaobing Yao, Junfang Teng
Neural stem cells (NSCs) are multipotent and undifferentiated cells with the potential to differentiate into neuronal lineages and gliocytes. NSCs have the ability to generate and regenerate the brain, indicating the possibility of cell-based therapies for neurological disorders. miR-124 has been demonstrated as a modulator in the survival, expansion, and differentiation of NSCs. However, the underlying molecular mechanisms of miR-124 in NSC development are still far from being understood. The expressions of miR-124, dishevelled binding antagonist of beta-catenin 1 (DACT1), ki-67, Nestin, β-tubulin III, glial fibrillary acidic protein (GFAP), β-catenin, cyclinD1, and glycogen synthase kinase-3β (GSK-3β) were examined by qRT-PCR or western blot...
May 21, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29786684/-the-development-of-the-system-of-medical-rehabilitation-based-at-the-russian-health-resort-facilities-investment-prospects
#4
E L Povazhnaya, E V Gusakova, S V Moiseenko
The present work is devoted to the prospects for attracting investments for the maintenance and development of the medical rehabilitation practices based at the Russian health resort facilities. The article describes the prerequisites for the enhancement of the investment attractiveness of the development of the system of medical rehabilitation in the said institutions including the formulation and strengthening of the legal and regulatory framework, the capacity for the organization of the second and third stages of medical rehabilitation in the existing spa and health resort facilities, the attraction of the funds of compulsory medical insurance as an additional source of the financial support...
May 21, 2018: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29786558/new-substrates-for-stem-cell-control
#5
REVIEW
Sara Schmidt, Annamaria Lilienkampf, Mark Bradley
The capacity to culture stem cells in a controllable, robust and scalable manner is necessary in order to develop successful strategies for the generation of cellular and tissue platforms for drug screening, toxicity testing, tissue engineering and regenerative medicine. Creating substrates that support the expansion, maintenance or directional differentiation of stem cells would greatly aid these efforts. Optimally, the substrates used should be chemically defined and synthetically scalable, allowing growth under defined, serum-free culture conditions...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786036/overall-blastocyst-quality-trophectoderm-grade-and-inner-cell-mass-grade-predict-pregnancy-outcome-in-euploid-blastocyst-transfer-cycles
#6
Yan-Yu Zhao, Yang Yu, Xiao-Wei Zhang
Background: Despite recent advances that have improved the pregnancy success rates that can be achieved via in vitro fertilization (IVF) therapy, it is not yet clear which blastocyst morphological parameters best predict the outcomes of single blastocyst transfer. In addition, most of the previous studies did not exclude the effect of embryo aneuploidy on blastocysts transfer. Thus, the present study investigated the predictive value of various parameters on the pregnancy outcomes achieved via the transfer of frozen euploid blastocysts...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29785969/pillared-graphite-anodes-for-reversible-sodiation
#7
Hanyang Zhang, Zhifei Li, Wei Xu, Yicong Chen, Xiulei Ji, Michael M Lerner
There has been a major effort recently to develop new rechargeable sodium-ion electrodes. In lithium ion batteries, LiC6 forms from graphite and de-solvated Li cations during the first charge. With sodium ions, graphite only shows a significant capacity when Na+ intercalates as a solvated complex, resulting in ternary graphite intercalation compounds (GICs). Although this chemistry has been shown to be highly reversible and to support high rates in small test cells, these GICs can require >250% volume expansion and contraction during cycling...
May 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29785612/water-forests-people-the-swedish-experience-in-building-resilient-landscapes
#8
Mats Eriksson, Lotta Samuelson, Linnéa Jägrud, Eskil Mattsson, Thorsten Celander, Anders Malmer, Klas Bengtsson, Olof Johansson, Nicolai Schaaf, Ola Svending, Anna Tengberg
A growing world population and rapid expansion of cities increase the pressure on basic resources such as water, food and energy. To safeguard the provision of these resources, restoration and sustainable management of landscapes is pivotal, including sustainable forest and water management. Sustainable forest management includes forest conservation, restoration, forestry and agroforestry practices. Interlinkages between forests and water are fundamental to moderate water budgets, stabilize runoff, reduce erosion and improve biodiversity and water quality...
May 21, 2018: Environmental Management
https://www.readbyqxmd.com/read/29785570/phase-1b-investigation-of-the-mek-inhibitor-binimetinib-in-patients-with-advanced-or-metastatic-biliary-tract-cancer
#9
R S Finn, D H Ahn, M M Javle, B R Tan, C D Weekes, J C Bendell, A Patnaik, G N Khan, D Laheru, R Chavira, J Christy-Bittel, E Barrett, M B Sawyer, Tanios S Bekaii-Saab
Background The MAPK pathway plays a central role in regulation of several cellular processes, and its dysregulation is a hallmark of biliary tract cancer (BTC). Binimetinib (MEK162), a potent, selective oral MEK1/2 inhibitor, was assessed in patients with advanced BTC. Patients and Methods An expansion cohort study in patients who received ≤1 line of therapy for advanced BTC was conducted after determination of the maximum tolerated dose in this Phase 1 trial. Patients received binimetinib 60 mg twice daily...
May 22, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29785525/beyond-the-border-and-into-the-heartland-spatial-patterning-of-u-s-immigration-detention
#10
Margot Moinester
The expansion of U.S. immigration enforcement from the borders into the interior of the country and the fivefold increase in immigration detentions and deportations since 1995 raise important questions about how the enforcement of immigration law is spatially patterned across American communities. Focusing on the practice of immigration detention, the present study analyzes the records of all 717,160 noncitizens detained by Immigration and Customs Enforcement (ICE) in 2008 and 2009-a period when interior enforcement was at its peak-to estimate states' detention rates and examine geographic variation in detention outcomes, net of individual characteristics...
May 21, 2018: Demography
https://www.readbyqxmd.com/read/29785350/the-effect-of-climate-change-on-the-distribution-of-a-tropical-zoanthid-palythoa-caribaeorum-and-its-ecological-implications
#11
Leonardo M Durante, Igor C S Cruz, Tito M C Lotufo
Palythoa caribaeorum is a zoanthid often dominant in shallow rocky environments along the west coast of the Atlantic Ocean, from the tropics to the subtropics. This species has high environmental tolerance and is a good space competitor in reef environments. Considering current and future scenarios in the global climate regime, this study aimed to model and analyze the distribution of P. caribaeorum , generating maps of potential distribution for the present and the year 2100. The distribution was modeled using maximum entropy (Maxent) based on 327 occurrence sites retrieved from the literature...
2018: PeerJ
https://www.readbyqxmd.com/read/29785206/life-cycle-assessment-of-residual-lignocellulosic-biomass-based-jet-fuel-with-activated-carbon-and-lignosulfonate-as-co-products
#12
Francesca Pierobon, Ivan L Eastin, Indroneil Ganguly
Background: Bio-jet fuels are emerging as a valuable alternative to petroleum-based fuels for their potential for reducing greenhouse gas emissions and fossil fuel dependence. In this study, residual woody biomass from slash piles in the U.S. Pacific Northwest is used as a feedstock to produce iso-paraffinic kerosene, through the production of sugar and subsequent patented proprietary fermentation and upgrading. To enhance the economic viability and reduce the environmental impacts of iso-paraffinic kerosene, two co-products, activated carbon and lignosulfonate, are simultaneously produced within the same bio-refinery...
2018: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29785143/pilot-study-of-the-antifibrotic-effects-of-the-multikinase-inhibitor-pacritinib-in-a-mouse-model-of-liver-fibrosis
#13
Suliman Al-Fayoumi, Taishi Hashiguchi, Yuka Shirakata, John Mascarenhas, Jack W Singer
Background: Fibrotic diseases result from an exuberant response to chronic inflammation. Myelofibrosis is the end result of inflammation in bone, caused by an inflammatory process triggered by production of abnormal myeloid cells driven by mutations affecting the JAK-STAT pathway. Inflammatory cytokine overproduction leads to increased mesenchymal cell proliferation, culminating in fibrosis. Although JAK2 inhibitors, such as the JAK1/2 inhibitor ruxolitinib and the JAK2/FLT3/CSF1R/IRAK1 inhibitor pacritinib suppress abnormal clone expansion in myelofibrosis, ruxolitinib does not appear to prevent or reverse bone-marrow fibrosis in most patients...
2018: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/29785034/trophic-overlap-between-expanding-and-contracting-fish-predators-in-a-range-margin-undergoing-change
#14
Mats Westerbom, Antti Lappalainen, Olli Mustonen, Alf Norkko
Climate change is predicted to cause a freshening of the Baltic Sea, facilitating range expansions of freshwater species and contractions of marine. Resident marine flounders (Platichthys flesus) and expansive freshwater roach (Rutilus rutilus) are dominant consumers in the Baltic Sea sublittoral where they occur in partial sympatry. By comparing patterns of resource use by flounders and roach along a declining resource gradient of blue mussels (Mytilus trossulus) our aim was to explore predator functional responses and the degree of trophic overlap...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784982/the-palaeoecological-context-of-the-oldowan-acheulean-in-southern-africa
#15
Michaela Ecker, James S Brink, Lloyd Rossouw, Michael Chazan, Liora K Horwitz, Julia A Lee-Thorp
The influence of climatic and environmental change on human evolution in the Pleistocene epoch is understood largely from extensive East African stable isotope records. These records show increasing proportions of C4 plants in the Early Pleistocene. We know far less about the expansion of C4 grasses at higher latitudes, which were also occupied by early Homo but are more marginal for C4 plants. Here we show that both C3 and C4 grasses and prolonged wetlands remained major components of Early Pleistocene environments in the central interior of southern Africa, based on enamel stable carbon and oxygen isotope data and associated faunal abundance and phytolith evidence from the site of Wonderwerk Cave...
May 21, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29784905/northward-shift-of-the-agricultural-climate-zone-under-21-st-century-global-climate-change
#16
Myron King, Daniel Altdorff, Pengfei Li, Lakshman Galagedara, Joseph Holden, Adrian Unc
As agricultural regions are threatened by climate change, warming of high latitude regions and increasing food demands may lead to northward expansion of global agriculture. While socio-economic demands and edaphic conditions may govern the expansion, climate is a key limiting factor. Extant literature on future crop projections considers established agricultural regions and is mainly temperature based. We employed growing degree days (GDD), as the physiological link between temperature and crop growth, to assess the global northward shift of agricultural climate zones under 21st -century climate change...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784805/direct-evidence-of-a-large-northern-european-roman-period-martial-event-and-post-battle-corpse-manipulation
#17
Mads Kähler Holst, Jan Heinemeier, Ejvind Hertz, Peter Jensen, Mette Løvschal, Lene Mollerup, Bent Vad Odgaard, Jesper Olsen, Niels Emil Søe, Søren Munch Kristiansen
New archaeological excavations at Alken Enge, Jutland, Denmark, have revealed a comprehensive assemblage of disarticulated human remains within a 75-ha wetland area. A minimum of 82 individuals have been uncovered. Based on the distribution, the total population is estimated to be greater than 380 individuals, exclusively male and predominantly adult. The chronological radiocarbon evidence of the human bones indicates that they belong to a single, large event in the early first century AD. The bones show a high frequency of unhealed trauma from sharp-edged weapons, which, together with finds of military equipment, suggests that the find is of martial character...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29784721/author-response-blood-pressure-reduction-and-noncontrast-ct-markers-of-intracerebral-hemorrhage-expansion
#18
Andrea Morotti, Jonathan Rosand, Joshua N Goldstein
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29784720/reader-response-blood-pressure-reduction-and-noncontrast-ct-markers-of-intracerebral-hemorrhage-expansion
#19
Zengpanpan Ye, Jun Zheng, Chao You
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29784719/editors-note-blood-pressure-reduction-and-noncontrast-ct-markers-of-intracerebral-hemorrhage-expansion
#20
Chafic Karam, Steven Galetta
No abstract text is available yet for this article.
May 22, 2018: Neurology
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