589 research outputs found
The Estimation of GC Repeats in Promoter P1 of IGF-1 Gene and Their Influence on IGF-1 Plasma Levels in Stable Angina Patients
Increased plasma levels of insulin-like growth factor 1 (IGF-1) are observed in advanced arteriosclerosis, but the reasons for these elevated levels remain unknown. One possibility to explain them is variation in the sequences that control IGF-1 gene expression. The goal of this study was to determine the effect of molecular variants of the IGF-1 P1 promoter on IGF-1 serum levels and to determine the impact of IGF-1 levels on the severity of coronary atherosclerosis. Methods: Blood samples were collected from 101 consecutive patients undergoing routine angiography. Genomic DNA was isolated from the nucleated cells of the blood plasma as described (2). Based on the presence of conformational differences in the DNA strand and on the absence of single nucleotide polymorphisms, the DNA from 38 patients was further analyzed by the “allelic ladder” method to determine the number of repeated GC dinucleotides in the P1 promoter of the IGF-1 gene. In addition, we analyzed serum growth hormone levels in order to examine the effect on systemic IGF-1 synthesis. Results: Conformational differences in the P1 promoter of the IGF-1 gene were observed in 38 out of the 101 patients. Several genotypes, depending on the number of GC repeats, were observed (11/19,17/19,18/19,18/21,19/19,19/20,19/21). Interestingly, a family history of coronary artery disease was seen less often among individuals heterozygous for the GC repeats. A lower IGF-1 levels were seen in non-variant carriers (homozygous genotypes for 19 or 21 repeats of GC, or heterozygous genotype 19/21) when compared to the variant group (other heterozygous genotypes then 19/21) (181.6 ± 47.9 ng/mL vs. 227.7 ± 73.7, p = 0.026). A correlation between IGF-1, IGF-binding protein number 3, and growth hormone levels (p = ns) was not observed, and there were no significant differences in the growth hormone levels in the studied group of patients (p = ns)
Reconsidering "the love of art" : evaluating the potential of art museum outreach
Art museums have long been identified as bastions of social and cultural exclusion. This conclusion was best evidenced by the large-scale 1967 French study by Bourdieu and Darbel demonstrating the exclusionary nature of “The Love of Art.” However, in recent years there have been increasing efforts to reach out to a broader range of visitors beyond conventional
audiences. The present study investigates the impacts of an outreach program at a UK art museum, which sought to engage socially excluded young mothers. This study employs ethnographic research methods on a longitudinal basis to develop qualitative insights about the program seeking to mitigate cultural exclusion. While the study’s findings uphold many longstanding critiques of art museums’ conventional approaches, the study also indicates that carefully designed outreach activities can overcome such limitations and enhance cultural
engagement. Thus, art museums’ limited appeal is tied to problematic public engagement practices that can be changed
More than sense of place? Exploring the emotional dimension of rural tourism experiences
It is widely suggested that participation in rural tourism is underpinned by a sense of rural place or “rurality”. However, although nature and the countryside have long been recognised as a source of spiritual or emotional fulfilment, few have explored the extent to which tourism, itself often claimed to be a sacred experience, offers an emotional/spiritual dimension in the rural context. This paper addresses that literature gap. Using in-depth interviews with rural tourists in the English Lake District, it explores the extent to which, within respondents’ individual understanding of spirituality, a relationship exists between sense of place and deeper, emotional experiences and, especially, whether participation in rural tourism may induce spiritual or emotional responses. The research revealed that all respondents felt a strong attachment to the Lake District; similarly, and irrespective of their openness to spirituality, engaging in rural tourism activities resulted in highly emotive experiences for all respondents, the description/interpretation of such experiences being determined by individual “beliefs”. However, sense of place was not a prerequisite to emotional or spiritual experiences. Being in and engaging with the landscape � effectively becoming part of it � especially through physical activity is fundamental to emotional responses
Exclusionary employment in Britain’s broken labour market
There is growing evidence of the problematic nature of the UK’s ‘flexible labour market’ with rising levels of in-work poverty and insecurity. Yet successive Governments have stressed that paid work is the route to inclusion, focussing attention on the divide between employed and unemployed. Past efforts to measure social exclusion have tended to make the same distinction. The aim of this paper is to apply Levitas et al’s (2007) framework to assess levels of exclusionary employment, i.e. exclusion arising directly from an individual’s labour market situation. Using data from the Poverty and Social Exclusion UK survey, results show that one in three adults in paid work is in poverty, or in insecure or poor quality employment. One third of this group have not seen any progression in their labour market situation in the last five years. The policy focus needs to shift from ‘Broken Britain’ to Britain’s broken labour market
RadioActive101-Learning through radio, learning for life: an international approach to the inclusion and non-formal learning of socially excluded young people
This article describes an original international approach to inclusion and non-formal learning of socially excluded young people, through participatory internet radio - RadioActive101. First, we critically discuss the social and digital exclusion of young people. We then describe our approach - that includes partic-ipatory action research methods that are influenced by the work of Dewey and Freire, and operate as a process of complex intervention. This supports the inclusive co-production of radio content in ways that support non-formal learning in two EU contexts – the UK and Portugal. We then summarise and compare a qualitative investigation of RadioActive101. This showed positive results, with important similarities and differences between the two contexts. Participants reported that RadioActive101 was motivating and contributed to the development of contemporary skills, and also stimulated improvements in psychosocial dimensions such as confidence (self-efficacy) and self-esteem. This investigation informed the development of an original recog-nition system for non-formal learning that maps EU Key Competences for Lifelong Learning to radio practic-es and activities that are recognised through electronic badges. Our final reflections emphasise that in order to support the non-formal learning of socially excluded young people we must foreground our attention to foster-ing psychosocial dimensions alongside developing contemporary competences
Community participation and recovery for mental health service users: An action research inquiry
Introduction: The social inclusion of individuals with mental health problems is an issue for mental health services, for the individuals who experience stigma, discrimination and exclusion, and for society at large. To develop community-orientated services that are capable of promoting inclusion it will, therefore, be advantageous to all parties to understand what service users find most helpful. Method: A 2-year action research project explored the recovery journeys of a group of assertive outreach service users who had progressed from being socially excluded and occupationally deprived to being participants in their local communities. The research aimed to understand how these outcomes were produced and to use this knowledge to inform local service development. Findings: This paper focuses on eight qualitative interviews, where service users recounted their stories of community participation and inclusion. The findings show how assertive outreach practitioners harnessed occupation as a basis for building relationships between practitioners and service users, and how this became a conduit towards participation in the mainstream community. Conclusion: Facilitating engagement in community-based occupations through creative collaboration helped participants reconnect with cherished roles, achieve long-standing goals and develop feelings of self-efficacy, belonging and wellbeing.© The College of Occupational Therapists Ltd
Local treatment of cancellous bone grafts with BMP-7 and zoledronate increases both the bone formation rate and bone density: A bone chamber study in rats
Background and purpose The remodeling of morselized bone grafts in revision surgery can be enhanced by an anabolic substance such as a bone morphogenetic protein (BMP). On the other hand, BMPs boost catabolism and might cause a premature resorption, both of the graft and of the new-formed bone. Bisphosphonates inactivate osteoclasts and can be used to control the resorption. We studied a combination of both drugs as a local admix to a cancellous allograft. Methods Cancellous bone allografts were harvested and freeze-dried. Either saline, BMP-7, the bisphosphonate zoledronate, or a combination of BMP-7 and zoledronate were added in solution. The grafts were placed in bone conduction chambers and implanted in the proximal tibia of 34 rats. The grafts were harvested after 6 weeks and evaluated by histomorphometry. Results Bone volume/total volume (BV/TV) was 50% in the grafts treated with the combination of BMP-7 and zoledronate and 16% in the saline controls (p < 0.001). In the zoledronate group BV/TV was 56%, and in the BMP group it was 14%. The ingrowth distance of new bone into the graft was 3.5 mm for the combination of BMP-7 and zoledronate and 2.6 mm in the saline control (p = 0.002). The net amount of retained remodeled bone was more than 4 times higher when BMP-7 and zoledronate were combined than in the controls. Interpretation An anabolic drug like BMP-7 can be combined with an anti-catabolic bisphosphonate as local bone graft adjunct, and the combination increases the amount of remaining bone after remodeling is complete
Effect of Bio-Oss® Collagen and Collagen Matrix on Bone Formation
Objective: to compare the amount of new bone produced by Bio-Oss ® Collagen to that produced by collagen matrix in vivo. Method: eighteen bone defects, 5mm by 10mm were created in the parietal bone of 9 New Zealand White rabbits. 6 defects were grafted with Bio-Oss ® Collagen. 6 defects were grafted with collagen matrix alone (positive control) and 6 were left empty (negative control). Animals were killed on day 14 and the defects were dissected and prepared for histological assessment. Quantitative analysis of new bone formation was made on 100 sections (50 sections for each group) using image analysis. Results: A total of 339% more new bone was present in defects grafted with Bio-Oss ® Collagen than those grafted with collagen matrix (positive control). No bone was formed in the negative control group. Conclusion: Bio-Oss ® Collagen has the effect of stimulating new bone formation locally compared with collagen matrix in vivo. Bio-Oss ® Collagen may be utilized as a bone graft material. © Wong and Rabie; Licensee Bentham Open.published_or_final_versio
An investigation of the construct validity of the ICECAP-A capability measure
Abstract
Purpose To investigate the construct validity of the
ICECAP-A capability wellbeing measure.
Methods A face-to-face interview-administered survey
was conducted with 418 members of the UK general
population, randomly sampled from the Postcode Address
File. Pre-specified hypotheses were developed about the
expected associations between individuals’ ICECAP-A
responses and their socio-economic circumstances, health
and freedom. The hypotheses were investigated using statistical
tests of association.
Results The ICECAP-A responses and scores reflected
differences across different health and socioeconomic
groups as anticipated, but did not distinguish individuals by
the level of local deprivation. Mean ICECAP-A scores
reflected individuals’ perceived freedom slightly more
closely than did measures of health and happiness.
Conclusion This study suggests that the ICECAP-A
measure can identify expected differences in capability
wellbeing in a general population sample. Further work
could establish whether self-reported capabilities exhibit
desirable validity and acceptability in sub-groups of the
population such as patients, social care recipients and
informal carers
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