bluuebunny/crossref_metadata_2025_split huggingface dataset:
The uncut jade: Differing views of the potential of expert users on staff training and rehabilitation programmes for service users in Hong Kong
Authors: Ng Roger M. K. , Pearson Veronica , Pang Yin Wan , Wong N. S. , Wong N. C. , Chan F. M. 
Published: January 2012

Background: Service user participation in direct service provision and evaluation has been developing in the western world in the past 20 years. However, this recovery-based care model is relatively new in Asia. Aim: To understand the views and perceptions of the service users and of psychiatric nurses about the recruitment of peer specialists in a regional psychiatric unit in Hong Kong. Method: A qualitative study using probe questions to understand the above issues in the form of focus group discussion. A total of 13 psychiatric nurses and 16 mental health service users were recruited from a regional psychiatric unit for the study. Results: Content analysis based loosely on grounded theory has identified several important themes. While service users are generally enthusiastic about the potential contribution of peer specialists in a service setting, they are much concerned about rejection and discrimination by the psychiatric staff. Psychiatric nurses are also sceptical about the involvement of peer specialists in the delivery of service, although for an entirely different set of reasons. In view of the divergent views of the service users and the psychiatric nurses, a second round of focus group discussion was conducted seven months later to understand whether the themes distilled were consistent with their views expressed in the first round of focus group discussion. Conclusion: It is encouraging is that, for those psychiatric nurses who worked with volunteer service users in the pilot scheme of ‘expert user participation’, there was a change in view towards positive acceptance about peer specialist involvement in service delivery. The study provides some insight into the potential obstacles to and opportunities in the implementation of peer specialist services in routine psychiatric services in Hong Kong.
The effect of policy on end-of-life care practice within nursing care homes: A systematic review
Authors: Kinley Julie , Froggatt Katherine , Bennett Michael I 
Published: January 2012

Background: The number of older people in the UK is increasing. A significant proportion of end of life care for this population is currently provided and will increasingly be provided within nursing care homes. Aim: To identify the impact of implementing end of life care policy with regard to the use of the Gold Standards Framework in Care Homes programme, the Liverpool Care Pathway (or an Integrated Care Pathway) and educational/training interventions to support the provision of end of life care within nursing care homes within the UK. Design: Systematic literature review of published literature and reports. Data sources: An electronic search was undertaken of five databases-Medline, CINAHL, EMBASE, Web of Science and the Cochrane library and websites of government and palliative care organisations for papers and reports published between 2000 to June 2010. The reference lists of studies that were retrieved for the detailed evaluation were hand-searched for any additional relevant citations.. Only studies that included comparative outcome data were eligible for inclusion. Results: Eight papers/reports, incorporating information from three studies were identified. Two studies reported on the implementation of the Gold Standards Framework in Care Homes programme and one the implementation of an Integrated Care Pathway for the last days of life. Improvements occurred in resident outcomes and in relation to staff recognising, managing and meeting residents needs for end of life care. Conclusions: The studies provided limited evidence on improved outcomes following the implementation of these interventions. Further research is needed, both within the UK and internationally, that measures the process and impact of implementing these initiatives.
Endotoxin-induced cytokine and chemokine expression in the HIV-1 transgenic rat
Authors: Homji Natasha F , Mao Xin , Langsdorf Erik F , Chang Sulie L 
Published: January 2012

Abstract

Background
Repeated exposure to a low dose of a bacterial endotoxin such as lipopolysaccharide (LPS) causes immune cells to become refractory to a subsequent endotoxin challenge, a phenomenon known as endotoxin tolerance (ET). During ET, there is an imbalance in pro- and anti-inflammatory cytokine and chemokine production, leading to a dysregulated immune response. HIV-1 viral proteins are known to have an adverse effect on the immune system. However, the effects of HIV-1 viral proteins during ET have not been investigated.

Methods
In this study, HIV-1 transgenic (HIV-1Tg) rats and control F344 rats (n = 12 ea) were randomly treated with 2 non-pyrogenic doses of LPS (LL) to induce ET, or saline (SS), followed by a high challenge dose of LPS (LL+L, SS+L) or saline (LL+S, SS+S). The gene expression of 84 cytokines, chemokines, and their receptors in the brain and spleen was examined by relative quantitative PCR using a PCR array, and protein levels in the brain, spleen, and serum of 7 of these 84 genes was determined using an electrochemiluminescent assay.

Results
In the spleen, there was an increase in key pro-inflammatory (IL1α, IL-1β, IFN-γ) and anti-inflammatory (IL-10) cytokines, and inflammatory chemokines (Ccl2, Ccl7, and Ccl9,) in response to LPS in the SS+L and LL+L (ET) groups of both the HIV-1Tg and F344 rats, but was greater in the HIV-1Tg rats than in the F344. In the ET HIV-1Tg and F344 (LL+L) rats in the spleen, the LPS-induced increase in pro-inflammatory cytokines was diminished and that of the anti-inflammatory cytokine was enhanced compared to the SS+L group rats. In the brain, IL-1β, as well as the Ccl2, Ccl3, and Ccl7 chemokines were increased to a greater extent in the HIV-1Tg rats compared to the F344; whereas Cxcl1, Cxcl10, and Cxcl11 were increased to a greater extent in the F344 rats compared to the HIV-1Tg rats in the LL+L and SS+L groups.

Conclusion
Our data indicate that the continuous presence of HIV-1 viral proteins can have tissue-dependent effects on endotoxin-induced cytokine and chemokine expression in the ET state.
Effect of pre-weaning concentrate supplementation on peripheral distribution of leukocytes, functional activity of neutrophils, acute phase protein and behavioural responses of abruptly weaned and housed beef calves
Authors: Lynch Eilish M , McGee Mark , Doyle Sean , Earley Bernadette 
Published: January 2012

Abstract

Background
The effect of pre-weaning concentrate supplementation on peripheral distribution of leukocytes, functional activity of neutrophils, acute phase protein response, metabolic and behavioural response, and performance of abruptly weaned and housed beef calves was investigated. Calves were grazed with their dams until the end of the grazing season when they were weaned and housed (day (d) 0) in a concrete slatted floor shed, and offered grass silage ad libitum plus supplementary concentrates. Twenty-six days prior to weaning and housing, 20 singled suckled, pure-bred Simmental male (non-castrated), (n = 10, m) and female (n = 10, f) calves were assigned to one of two treatments (i) concentrate supplement (CS: n = 10 (5 m and 5 f), mean age (s.d.) 201 (12.8) d, mean weight (s.d.) 258 (20.2) kg) or (ii) no concentrate supplement (controls) (NCS: n = 10, (5 m and 5 f), mean age (s.d.) 201 (13.4) d, mean weight (s.d.) 257 (19.6) kg) pre-weaning.

Results
There was a treatment × sampling time interaction (P < 0.05) for percentage CD4+ and WC1+ (γδ T cells) lymphocytes and concentration of plasma globulin. On d 2, percentage CD4+ lymphocytes decreased (P < 0.001) in both treatments. Subsequently on d 7, percentage of CD4+ lymphocytes increased (P < 0.01) in CS compared with d 0, whereas percentage of CD4+ lymphocytes in NCS did not differ (P > 0.05) from d 0. On d 2, WC1+ lymphocytes decreased (P < 0.05) in both treatments but the decrease was greater (P < 0.05) in NCS than CS. Subsequently, percentages did not differ (P > 0.05) from pre-weaning baseline. On d 2, the increase in concentration of globulin was greater (P < 0.05) in CS compared with NCS, and subsequently there was no difference between treatments. Pre-weaning ADG was 1.07 (s.e.m.) (0.26) kg and 0.99 (s.e.m.) (0.26) kg for CS and NCS, respectively. Post-weaning, CS calves spent more time lying compared with NCS calves.

Conclusions
Calves supplemented with concentrate prior to weaning had a lesser reduction in WC1+ lymphocytes, increased percentage CD4+ lymphocytes and concentration of total protein, and spent more time lying post-weaning, compared with non-supplemented calves.
NMDA receptor activation stimulates transcription-independent rapid wnt5a protein synthesis via the MAPK signaling pathway
Authors: Li Yichen , Li Bei , Wan Xianzi , Zhang Wei , Zhong Ling , Tang Shao-Jun 
Published: January 2012

Abstract
Wnt proteins are emerging key regulators of the plasticity and functions of adult brains. However, the mechanisms by which the expression of Wnt proteins is regulated in neurons are unclear. Using cortical primary cultures, we show here that activation of NMDA receptors (NMDARs) induces rapid Wnt5a protein synthesis and secretion. This NMDAR-regulated Wnt5a synthesis does not require transcription and is a result of activity-dependent translation. We also show that NMDAR-regulated Wnt5a translation depends on MAPK signaling but not mTOR signaling. Our findings suggest that the synaptic activity of CNS neurons activates NMDARs, which in turn stimulate translation from stored Wnt5a mRNA via the MAPK signaling pathway.
Morphogenesis and the Cell Cycle
Authors: Howell Audrey S , Lew Daniel J 
Published: January 2012

Abstract
Studies of the processes leading to the construction of a bud and its separation from the mother cell in Saccharomyces cerevisiae have provided foundational paradigms for the mechanisms of polarity establishment, cytoskeletal organization, and cytokinesis. Here we review our current understanding of how these morphogenetic events occur and how they are controlled by the cell-cycle-regulatory cyclin-CDK system. In addition, defects in morphogenesis provide signals that feed back on the cyclin-CDK system, and we review what is known regarding regulation of cell-cycle progression in response to such defects, primarily acting through the kinase Swe1p. The bidirectional communication between morphogenesis and the cell cycle is crucial for successful proliferation, and its study has illuminated many elegant and often unexpected regulatory mechanisms. Despite considerable progress, however, many of the most puzzling mysteries in this field remain to be resolved.
James F. Crow: His Life in Public Service
Authors: Abrahamson Seymour 
Published: January 2012

AbstractThe readers of this journal may well be aware of Professor Crow’s scientific achievements and his role as the editor of Perspectives. In addition, for many thousands of students at the University of Wisconsin over many generations, James F. Crow was one of the most memorable teachers at both the undergraduate and graduate levels. What is less known is his major role in public service where he served as chair of many important committees for the National Academy of Sciences, the National Institutes of Health, the National Institutes of Justice as well as various international programs. In all of these efforts, Professor Crow has left a lasting impact.
Genetic and Environmental Components of Neonatal Weight Gain in Preterm Infants
Authors: Brescianini Sonia , Giampietro Silvia , Cotichini Rodolfo , Lucchini Renato , De Curtis Mario 
Published: January 2012

BACKGROUND AND OBJECTIVES:
Postnatal nutrition and subsequent weight gain or failure in the neonatal period are likely regulated by both the environment and the genetic background. With the goal of estimating the variability of postnatal weight gain due to genes and environment, comparison between monozygotic (ie, genetically identical) and dizygotic (genetically similar as 2 siblings) twins can be performed.

METHODS:
This study selected a very homogenous set of monozygotic and dizygotic twins who met the following inclusion criteria: gestational age between 30 and 36 weeks, birth weight between 1250 and 2200 g, and length of stay &gt;12 days. Opposite-gender pairs and pairs that differed &gt;20% in terms of birth weight were excluded from this analysis. The outcome measure of this study was the daily weight gain expressed in grams per kilogram per day during the period between day of birth and day of discharge. The average difference between members of a pair was computed in the 2 groups of twins, and heritability was estimated.

RESULTS:
The within-pair differences of the outcome measure were lower for monozygotic twins than for dizygotic twins, suggesting a strong genetic component. The total variance of the phenotype under study is explained by 2 sources of variation, additive genetic (87% [95% confidence interval: 67% to 94%]) and unique environment (13% [95% confidence interval: 6% to 33%]) components.

CONCLUSIONS:
This high heritability estimate could suggest using this set of criteria to identify genes that regulate postnatal weight gain or failure.
Prevalence, Patterns, and Persistence of Sleep Problems in the First 3 Years of Life
Authors: Byars Kelly C. , Yolton Kimberly , Rausch Joseph , Lanphear Bruce , Beebe Dean W. 
Published: January 2012

OBJECTIVE:Examine the prevalence, patterns, and persistence of parent-reported sleep problems during the first 3 years of life.METHODS:Three hundred fifty-nine mother/child pairs participated in a prospective birth cohort study. Sleep questionnaires were administered to mothers when children were 6, 12, 24, and 36 months old. Sleep variables included parent response to a nonspecific query about the presence/absence of a sleep problem and 8 specific sleep outcome domains: sleep onset latency, sleep maintenance, 24-hour sleep duration, daytime sleep/naps, sleep location, restlessness/vocalization, nightmares/night terrors, and snoring.RESULTS:Prevalence of a parent-reported sleep problem was 10% at all assessment intervals. Night wakings and shorter sleep duration were associated with a parent-reported sleep problem during infancy and early toddlerhood (6–24 months), whereas nightmares and restless sleep emerged as associations with report of a sleep problem in later developmental periods (24–36 months). Prolonged sleep latency was associated with parent report of a sleep problem throughout the study period. In contrast, napping, sleep location, and snoring were not associated with parent-reported sleep problems. Twenty-one percent of children with sleep problems in infancy (compared with 6% of those without) had sleep problems in the third year of life.CONCLUSIONS:Ten percent of children are reported to have a sleep problem at any given point during early childhood, and these problems persist in a significant minority of children throughout early development. Parent response to a single-item nonspecific sleep query may overlook relevant sleep behaviors and symptoms associated with clinical morbidity.
Societal Values and Policies May Curtail Preschool Children’s Physical Activity in Child Care Centers
Authors: Copeland Kristen A. , Sherman Susan N. , Kendeigh Cassandra A. , Kalkwarf Heidi J. , Saelens Brian E. 
Published: January 2012

BACKGROUND AND OBJECTIVES:
Three-fourths of US preschool-age children are in child care centers. Children are primarily sedentary in these settings, and are not meeting recommended levels of physical activity. Our objective was to identify potential barriers to children’s physical activity in child care centers.

METHODS:
Nine focus groups with 49 child care providers (55% African American) were assembled from 34 centers (inner-city, suburban, Head Start, and Montessori) in Cincinnati, Ohio. Three coders independently analyzed verbatim transcripts for themes. Data analysis and interpretation of findings were verified through triangulation of methods.

RESULTS:
We identified 3 main barriers to children’s physical activity in child care: (1) injury concerns, (2) financial, and (3) a focus on “academics.” Stricter licensing codes intended to reduce children's injuries on playgrounds rendered playgrounds less physically challenging and interesting. In addition, some parents concerned about potential injury, requested staff to restrict playground participation for their children. Small operating margins of most child care centers limited their ability to install abundant playground equipment. Child care providers felt pressure from state mandates and parents to focus on academics at the expense of gross motor play. Because children spend long hours in care and many lack a safe place to play near their home, these barriers may limit children's only opportunity to engage in physical activity.

CONCLUSIONS:
Societal priorities for young children—safety and school readiness—may be hindering children’s physical development. In designing environments that optimally promote children’s health and development, child advocates should think holistically about potential unintended consequences of policies.
The filament event near the Cenomanian-Turonian boundary in Tunisia: filament origin and environmental signification
Authors: Negra Mohamed Hédi , Zagrarni Mohamed Faouzi , Hanini Amine , Strasser André 
Published: January 2012

AbstractNear the Cenomanian-Turonian boundary, the filament event corresponds to the massive occurrence of thin elongate shells, probably bivalves which constitute, in the Bahloul Formation, about 40% of allochems. This biosedimentary event was described in several areas, such as in Tunisia, Algeria, Morocco, North America, Oman and Tibet. In Tunisia, filaments are well represented within well laminated black shales constituting the Bahloul Formation, late Cenomanian – early Turonian in age. These black shales were deposited under anoxic conditions developed in an outer ramp environment. Filaments are particularly abundant in the upper part of the Bahloul Formation, which is topped by a condensation level exhibiting encrusted ammonites associated with frequent burrows, and phosphatic and glauconitic grains. In terms of depositional environments, the filament concentrations announce an evolution towards “normal”-marine conditions, which followed the anoxic conditions favouring black-shale formation. This trend coincided with a deepening that led to maximum flooding at the condensation surface. The petrographic study of samples taken along a N-S transect shows a clear evolution of filament structures from distal to proximal ramp. Limestones deposited in the outer ramp environment mainly contain well preserved “pelagic” bivalve shells showing a thin-shelled structure composed of elongated filaments. Laterally, toward the proximal ramp, the bivalve shells are progressively disintegrated, the filaments being arranged parallel to bedding. In an even more proximal setting, filaments appear finer, highly fragmented and arranged without preferential orientation. The Cenomanian-Turonian “pelagic” bivalves thus probably lived in an outer ramp environment and their thin shells disintegrated progressively into filaments. This happened during high energy conditions generated by storms.The filament event, which is associated to other bio-events expressed by the extinction and the first occurrence of some pelagic species, could be used to establish local to global correlations.When the ammonite Watinoceras, the main early Turonian marker, is rare or absent, the filament-rich facies could indicate the proximity of the Cenomanian-Turonian boundary.At a global scale, the filament event illustrates a sea-level rise in relation with eustatic and climatic changes. The maximum flooding of this transgressive event was identified in several localities and dated about 93 Ma. The very high sea-level conditions are favourable to accumulation and preservation of organic-rich facies such as black shales, which illustrate the anoxic event OAE2.The abundance of filaments near the Cenomanian-Turonian boundary is an indicator of high organic productivity following a climatic change to warmer conditions. The latter have clearly influenced oceanic water-masses circulation, water column stratification and nutrient partitioning.
Menometrorrhagia in magnetic resonance imaging operators with copper intrauterine contraceptive devices (IUDS): A case report
Authors: Gobba Fabriziomaria , Bianchi Nadia , Verga Paolo , Contessa Gian , Rossi Paolo 
Published: January 2012

AbstractThe paper describes the cases of 3 female health operators with implanted copper IUDs, developing menometrorrhagia some months after an increase of the working time in a Magnetic Resonance Imaging (MRI) Unit (1.5 T), that progressively disappeared when the previous organization, involving discontinuous work shifts at MRI, was re-established. No known factors possibly related to menometrorrhagia were evidenced in the 3 operators, supporting the hypothesis of a role of the exposure to the electromagnetic fields (EMF) induced by the MRI system in symptoms induction. The possible mechanism remains unsettled, but menometrorrhagia might be triggered by a phlogistic stimulus caused by EMF, possibly the low-frequency currents induced in the wires of the IUD during the movements of the operator inside the static magnetic field generated by the MRI permanent magnet. Until now, the problem of possible interactions between copper IUDs and EMF induced by MRI has been considered in patients undergoing imaging, but the possible risk in MRI Units operators has been largely neglected. To our knowledge, the occurrence of menometrorrhagia is not routinely checked in health surveillance of MRI operators, so these symptoms can pass unnoticed, especially if they are transitory. Therefore, underreporting is rather possible. The cases described here support the need for further research on this topic, especially considering the progressive diffusion of more powerful MRI scanners (3 T and more), and of the interventional magnetic resonance imaging, both potentially involving higher EMF exposures, and a large number of MRI female operators, possibly using IUDs. The possibility that MRI operators with implanted metallic IUDs can be included in the group of “workers at particular risk” according to the EU Directive 2004/40/EC should be considered.
Influence of Human Disturbance on the Abundance of Himalayan Pheasant (Aves, Galliformes) in the Temperate Forest of Western Himalaya, India
Authors: Jolli V. , Pandit M. 
Published: January 2012

Influence of Human Disturbance on the Abundance of Himalayan Pheasant (Aves, Galliformes) in the Temperate Forest of Western Himalaya, India
We conducted field studies in the Jiwa valley (Indian Himalayas) to examine the influence of human disturbance on Himalayan pheasants. We used the "call count" and "line transect" methods to estimate the abundance of pheasants in Jiwa valley. A human disturbance gradient defined by human population, agriculture activity, forest wood collection, grazing, vehicle, use of heavy machines, human settlements, dumping ground, and blasting was prepared. We assessed the pheasant numbers under two conditions (1) a decline in the gradient of human activity during two consecutive years (2009-2010) (2) in the presence of hydroelectric development activities. The numbers of koklass pheasants, Himalayan monal, cheer pheasant and Western tragopan declined significantly with anthropogenic activities. During spring 2010, hydroelectric construction activity was temporarily suspended in Manjhan adit, and a positive response was noted in terms of an increase in the pheasant numbers near the site. The response of pheasants to human disturbance has inferred that large scale development can lead to decline of Himalayan pheasant in Himalayan region.