19 research outputs found
The Milky Way Bulge: Observed properties and a comparison to external galaxies
The Milky Way bulge offers a unique opportunity to investigate in detail the
role that different processes such as dynamical instabilities, hierarchical
merging, and dissipational collapse may have played in the history of the
Galaxy formation and evolution based on its resolved stellar population
properties. Large observation programmes and surveys of the bulge are providing
for the first time a look into the global view of the Milky Way bulge that can
be compared with the bulges of other galaxies, and be used as a template for
detailed comparison with models. The Milky Way has been shown to have a
box/peanut (B/P) bulge and recent evidence seems to suggest the presence of an
additional spheroidal component. In this review we summarise the global
chemical abundances, kinematics and structural properties that allow us to
disentangle these multiple components and provide constraints to understand
their origin. The investigation of both detailed and global properties of the
bulge now provide us with the opportunity to characterise the bulge as observed
in models, and to place the mixed component bulge scenario in the general
context of external galaxies. When writing this review, we considered the
perspectives of researchers working with the Milky Way and researchers working
with external galaxies. It is an attempt to approach both communities for a
fruitful exchange of ideas.Comment: Review article to appear in "Galactic Bulges", Editors: Laurikainen
E., Peletier R., Gadotti D., Springer Publishing. 36 pages, 10 figure
Functional mechanisms underlying pleiotropic risk alleles at the 19p13.1 breast-ovarian cancer susceptibility locus
A locus at 19p13 is associated with breast cancer (BC) and ovarian cancer (OC) risk. Here we analyse 438 SNPs in this region in 46,451 BC and 15,438 OC cases, 15,252 BRCA1 mutation carriers and 73,444 controls and identify 13 candidate causal SNPs associated with serous OC (P=9.2 × 10-20), ER-negative BC (P=1.1 × 10-13), BRCA1-associated BC (P=7.7 × 10-16) and triple negative BC (P-diff=2 × 10-5). Genotype-gene expression associations are identified for candidate target genes ANKLE1 (P=2 × 10-3) and ABHD8 (P<2 × 10-3). Chromosome conformation capture identifies interactions between four candidate SNPs and ABHD8, and luciferase assays indicate six risk alleles increased transactivation of the ADHD8 promoter. Targeted deletion of a region containing risk SNP rs56069439 in a putative enhancer induces ANKLE1 downregulation; and mRNA stability assays indicate functional effects for an ANKLE1 3′-UTR SNP. Altogether, these data suggest that multiple SNPs at 19p13 regulate ABHD8 and perhaps ANKLE1 expression, and indicate common mechanisms underlying breast and ovarian cancer risk
Dyslipidemia in early second trimester is mainly a feature of women with early onset pre-eclampsia
Variation in community intervention programmes and consequences for children and families: the example of Sure Start Local Programmes
BACKGROUND: An area-based initiative, Sure Start Local Programmes (SSLPs), was established by the UK government to reduce social exclusion through improving the well-being of children aged 0-3 years and their families in disadvantaged communities; a true community intervention in that all children under four and their families in specified areas served as targets of universal services. A national evaluation examined the links between variation in programme implementation and effectiveness. METHODS: Data gathered from multiple sources produced measures of implementation in terms of proficiency, services and staffing. Measures of programme impact on child/parenting outcomes derived from multilevel models, controlling for child, family and area characteristics, were identified to demonstrate programme effectiveness. RESULTS: Some modest linkage between programme implementation (e.g., proficiency, empowerment of parents and staff, identification of users) and effectiveness for child and parenting outcomes. CONCLUSIONS: Overall proficiency and specific aspects of implementation may influence effectiveness, which should guide the design of other child, family and community services
Preparation of 2,5-Anhydrohexitols (Part Ii). Intramolecular Nucleophilic Substitution of Cyclic Sulfates
Chemotherapy-Related Side Effects in Childhood Acute Lymphoblastic Leukemia in Indonesia: Parental Perceptions
Noncompliance with prescribed medication has been associated with increased chance of relapse and poor outcome. Side effects may be an important cause of noncompliance. Fifty-one parents of children with acute lymphoblastic leukemia in a tertiary care hospital in Indonesia were interviewed about their perception of side effects and their impact on treatment noncompliance and daily activities. A symptom checklist assessing 13 common symptoms was used to examine side effects. During chemotherapy, childhood acute lymphoblastic leukemia patients suffered from psychological as well as physical side effects. The most frequent side effect reported by parents was behavior alteration (92%). Second and third in frequency were increased appetite and infections, reported by 88% and 83% of parents, respectively. The most severe side effects were leg weakness, increased appetite, and behavior alteration. The overall frequency of side effects was weakly correlated to noncompliance. Reducing the impact of side effects may increase compliance with the treatmen