34 research outputs found

    Phosphorylation of the androgen receptor is associated with reduced survival in hormonerefractory prostate cancer patients

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    Cell line studies demonstrate that the PI3K/Akt pathway is upregulated in hormone-refractory prostate cancer (HRPC) and can result in phosphorylation of the androgen receptor (AR). The current study therefore aims to establish if this has relevance to the development of clinical HRPC. Immunohistochemistry was employed to investigate the expression and phosphorylation status of Akt and AR in matched hormone-sensitive and -refractory prostate cancer tumours from 68 patients. In the hormone-refractory tissue, only phosphorylated AR (pAR) was associated with shorter time to death from relapse (<i>P</i>=0.003). However, when an increase in expression in the transition from hormone-sensitive to -refractory prostate cancer was investigated, an increase in expression of PI3K was associated with decreased time to biochemical relapse (<i>P</i>=0.014), and an increase in expression of pAkt<sup>473</sup> and pAR<sup>210</sup> were associated with decreased disease-specific survival (<i>P</i>=0.0019 and 0.0015, respectively). Protein expression of pAkt<sup>473</sup> and pAR<sup>210</sup> also strongly correlated (<i>P</i><0.001, c.c.=0.711) in the hormone-refractory prostate tumours. These results provide evidence using clinical specimens, that upregulation of the PI3K/Akt pathway is associated with phosphorylation of the AR during development of HRPC, suggesting that this pathway could be a potential therapeutic target

    Size and emotion or depth and emotion? Evidence, using Matryoshka (Russian) dolls, of children using physical depth as a proxy for emotional charge

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    Background: The size and emotion effect is the tendency for children to draw people and other objects with a positive emotional charge larger than those with a negative or neutral charge. Here we explored the novel idea that drawing size might be acting as a proxy for depth (proximity).Methods: Forty-two children (aged 3-11 years) chose, from 2 sets of Matryoshka (Russian) dolls, a doll to represent a person with positive, negative or neutral charge, which they placed in front of themselves on a sheet of A3 paper. Results: We found that the children used proximity and doll size, to indicate emotional charge. Conclusions: These findings are consistent with the notion that in drawings, children are using size as a proxy for physical closeness (proximity), as they attempt with varying success to put positive charged items closer to, or negative and neutral charge items further away from, themselves

    Intimate Partner Violence During COVID-19 Restrictions: A Study of 30 Countries From the I-SHARE Consortium

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    Intimate partner violence (IPV) causes substantial physical and psychological trauma. Restrictions introduced in response to the COVID-19 pandemic, including lockdowns and movement restrictions, may exacerbate IPV risk and reduce access to IPV support services. This cross-sectional study examines IPV during COVID-19 restrictions in 30 countries from the International Sexual HeAlth and REproductive Health (I-SHARE) study conducted from July 20th, 2020, to February, 15th, 2021. IPV was a primary outcome measure adapted from a World Health Organization multicountry survey. Mixed-effects modeling was used to determine IPV correlates among participants stratified by cohabitation status. The sample included 23,067 participants from 30 countries. A total of 1,070/15,336 (7.0%) participants stated that they experienced IPV during COVID-19 restrictions. A total of 1,486/15,336 (9.2%) participants stated that they had experienced either physical or sexual partner violence before the restrictions, which then decreased to 1,070 (7.0%) after the restrictions. In general, identifying as a sexual minority and experiencing greater economic vulnerability were associated with higher odds of experiencing IPV during COVID-19 restrictions, which were accentuated among participants who were living with their partners. Greater stringency of COVID-19 restrictions and living in urban or semi-urban areas were associated with lower odds of experiencing IPV in some settings. The I-SHARE data suggest a substantial burden of IPV during COVID-19 restrictions. However, the restrictions were correlated with reduced IPV in some settings. There is a need for investing in specific support systems for survivors of IPV during the implementation of restrictions designed to contain infectious disease outbreaks

    Head, heart or checklist? How self-reported decision-making strategies change according to speciality and grade

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    Purpose: To identify and analyse variations in self-reported decision-making strategies between medical professionals of different speciality and grade. Study Design: We conducted a cross-sectional survey of doctors of different specialities and grades at St. George’s Hospital, London, UK. We administered 226 questionnaires asking participants to assign proportions of their clinical decision-making behaviour to four strategies: intuitive, analytical, rule-based, or creative. Results: We found that physicians said they used rule-based decision-making significantly more than did surgeons and anaesthetists (p=0.025) and analytical decision-making strategies significantly less (p=0.003). In addition, we found that both intuitive (p=0.0005) and analytical (p=0.0005) decisionmaking had positive associations with increasing experience, whereas rule-based decision-making was negatively associated with greater experience (p=0.0005). Conclusions: Decision-making strategies may evolve with increasing clinical experience from a predominant use of rule-based approaches toward greater use of intuitive or analytical methods depending on the familiarity and acuity of the clinical situation. Rule-based strategies remain important for delivering evidence-based care, particularly for less experienced clinicians, and for physicians more than surgeons, possibly due to the greater availability and applicability of guidelines for medical problems. Anaesthetists and intensivists tend toward more analytical decision-making than physicians; an observation which might be attributable to the greater availability and use of objective data in the care environment. As part of broader training in non-technical skills and human factors, increasing awareness amongst trainees of medical decision-making models and their potential pitfalls might contribute to reducing the burden of medical error in terms of morbidity, mortality and litigation

    Co-creation to scale up provision of simplified high-quality comprehensive abortion care in East Central and Southern Africa.

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    Universal access to comprehensive abortion care (CAC) is a reproductive right and is essential to reduce preventable maternal mortality and morbidity. In East Africa, abortion rates are consistently high, and the vast majority of all abortions are unsafe, significantly contributing to unnecessary mortality and morbidity. The current debate article reflects and summarises key action points required to continue to speed the implementation of and expand access to CAC in the East, Central, and Southern African (ECSA) health community. To ensure universal access to quality CAC, a regional platform could facilitate the sharing of best practices and successful examples from the region, which would help to visualise opportunities. Such a platform could also identify innovative ways to secure women's access to quality care within legally restrictive environments and would provide information and capacity building through the sharing of recent scientific evidence, guidelines, and training programmes aimed at increasing women's access to CAC at the lowest effective level in the healthcare system. This type of infrastructure for exchanging information and developing co-creation could be crucial to advancing the Sustainable Development Goals 2030 agenda
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