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1.
Qual Health Res ; : 10497323241232360, 2024 Mar 04.
Artigo em Inglês | MEDLINE | ID: mdl-38437864

RESUMO

Ending familial co-residence, termed 'moving on' by participants, is an increasingly relevant life transition for people with a learning disability due to increasing life expectancy and policy developments. Nevertheless, there is an absence of research exploring this transition experience in a United Kingdom (UK) context. This constructivist grounded theory study therefore aimed to explore, conceptualise, and theorise the 'moving on' experiences of adults with a learning disability and their families. This article reports the experiences of five adults with a learning disability and nine family members in England, UK. Narrative interviews and creative storybook methods were used to collect data between April 2015 and May 2016. Constant comparative methods, theoretical sampling, and memo writing were used throughout data collection and analysis. Participants with a learning disability presented personal growth and greater life fulfilment over the course of the transition; they flourished. In parallel, family members relinquished their care responsibilities. Importantly, the iterative and reciprocal relationship between flourishing and relinquishing shows that ongoing family member involvement is crucial during and following relocation. Family members identified factors that potentially inhibit relinquishing: pressure to 'let go', different perceptions of independence between family members and service providers, inadequate future investment, and rapport with professional carers. These novel insights led to the generation of the first known mid-range theory concerning this transition, entitled 'Moving on: flourishing and relinquishing'. Findings will guide future research in this field and facilitate the design of appropriate support for people with a learning disability and their families.

2.
Anal Bioanal Chem ; 415(9): 1627-1639, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36754872

RESUMO

Histone proteins are essential to the regulation of the eukaryotic genome. Histone post-translational modifications (PTMs) and single-molecule combinations of these modifications (proteoforms) allow for the regulation of many DNA-templated processes, most notably transcription. Histone H4 is a part of the core histone octamer, which packages DNA into nucleosomes. Top-down proteomics allows for the inquiry of the epigenetic landscape with proteoform-level specificity. Although these approaches are well-demonstrated ex vivo, our knowledge of in vivo histone proteoform biology remains sparse. Here, we demonstrate the first in vivo quantitative top-down analysis of histone H4 and analyze the forebrains and hindbrains of differently aged mice. This reveals novel differences between the mouse forebrain and hindbrain and region-specific changes during adolescence in histone H4 PTMs and proteoforms. At 25 days of age (P25), histone H4 of the hindbrain is more acetylated than the forebrain. At 47 days of age (P47), there are fewer significant differences in histone H4 PTMs and their combinations between regions. Histone H4 of the forebrain is more acetylated in P47 than in P25 forebrains. Hindbrains exhibit the opposite difference with histone H4 of the P25 hindbrain being more acetylated than that of P47 hindbrains. These differences are mainly driven by less abundant hyperacetylated proteoforms. Transcription of histone acetyltransferases such as p300, CBP, and HAT1 is known to be higher in cortical neurons, consistent with the observed acetylation levels. Lysine 20 methylation (K20me1, K20me2, and K20me3) is notably invariant with brain region and age difference.


Assuntos
Histonas , Processamento de Proteína Pós-Traducional , Animais , Camundongos , Histonas/metabolismo , Metilação , DNA/metabolismo , Encéfalo/metabolismo , Acetilação
3.
Mol Ther ; 29(7): 2294-2307, 2021 07 07.
Artigo em Inglês | MEDLINE | ID: mdl-33647457

RESUMO

Numerous aggregation inhibitors have been developed with the goal of blocking or reversing toxic amyloid formation in vivo. Previous studies have used short peptide inhibitors targeting different amyloid ß (Aß) amyloidogenic regions to prevent aggregation. Despite the specificity that can be achieved by peptide inhibitors, translation of these strategies has been thwarted by two key obstacles: rapid proteolytic degradation in the bloodstream and poor transfer across the blood-brain barrier. To circumvent these problems, we have created a minigene to express full-length Aß variants in the mouse brain. We identify two variants, F20P and F19D/L34P, that display four key properties required for therapeutic use: neither peptide aggregates on its own, both inhibit aggregation of wild-type Aß in vitro, promote disassembly of pre-formed fibrils, and diminish toxicity of Aß oligomers. We used intraventricular injection of adeno-associated virus (AAV) to express each variant in APP/PS1 transgenic mice. Lifelong expression of F20P, but not F19D/L34P, diminished Aß levels, plaque burden, and plaque-associated neuroinflammation. Our findings suggest that AAV delivery of Aß variants may offer a novel therapeutic strategy for Alzheimer's disease. More broadly our work offers a framework for identifying and delivering peptide inhibitors tailored to other protein-misfolding diseases.


Assuntos
Doença de Alzheimer/terapia , Peptídeos beta-Amiloides/antagonistas & inibidores , Encéfalo/metabolismo , Terapia Genética , Vetores Genéticos/administração & dosagem , Mutação , Placa Amiloide/terapia , Doença de Alzheimer/genética , Doença de Alzheimer/patologia , Peptídeos beta-Amiloides/genética , Peptídeos beta-Amiloides/metabolismo , Animais , Dependovirus/genética , Feminino , Vetores Genéticos/genética , Humanos , Masculino , Camundongos , Camundongos Endogâmicos ICR , Camundongos Transgênicos , Placa Amiloide/genética , Placa Amiloide/metabolismo
4.
Biochem J ; 478(3): 511-532, 2021 02 12.
Artigo em Inglês | MEDLINE | ID: mdl-33567070

RESUMO

Histones are essential proteins that package the eukaryotic genome into its physiological state of nucleosomes, chromatin, and chromosomes. Post-translational modifications (PTMs) of histones are crucial to both the dynamic and persistent regulation of the genome. Histone PTMs store and convey complex signals about the state of the genome. This is often achieved by multiple variable PTM sites, occupied or unoccupied, on the same histone molecule or nucleosome functioning in concert. These mechanisms are supported by the structures of 'readers' that transduce the signal from the presence or absence of PTMs in specific cellular contexts. We provide background on PTMs and their complexes, review the known combinatorial function of PTMs, and assess the value and limitations of common approaches to measure combinatorial PTMs. This review serves as both a reference and a path forward to investigate combinatorial PTM functions, discover new synergies, and gather additional evidence supporting that combinations of histone PTMs are the central currency of chromatin-mediated regulation of the genome.


Assuntos
Código das Histonas , Histonas/metabolismo , Processamento de Proteína Pós-Traducional , Acetilação , Ciclo Celular , Cromatina/metabolismo , Imunoprecipitação da Cromatina/métodos , Previsões , Regulação da Expressão Gênica , Histonas/imunologia , Humanos , Espectrometria de Massas/métodos , Metilação , Modelos Genéticos , Nucleossomos/metabolismo , Fosforilação , Proteômica/métodos , Transdução de Sinais
5.
Palliat Med ; 35(6): 1039-1051, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33829930

RESUMO

BACKGROUND: People with mesothelioma and their families have palliative care needs throughout the relatively short trajectory of their illness. AIM: To describe the palliative care needs and experiences of people with mesothelioma and their family carers. DESIGN: Integrative systematic review with narrative synthesis (PROSPERO: CRD42020190115). DATA SOURCES: MEDLINE, CINAHL, PsycINFO and the Cochrane Library were searched for articles published between 01 January 2000 and 10 May 2020. Articles were included if they presented empirical studies or comprehensive reviews including information about the palliative care needs and experiences of people with mesothelioma and their family carers. RESULTS: The search yielded 508 articles, 14 were included in the analysis. A cross cutting theme of 'uncertainty' was identified encompassing five themes: (1) organisation and co-ordination of services, (2) communication and information needs, (3) management of care needs and high symptom burden, (4) consideration of the impact of seeking compensation and (5) family carer needs. Our findings demonstrate that people with mesothelioma want a co-ordinated, team-based approach to palliative care with a named point of contact. Whilst carers value and benefit from early referral to specialist palliative care, this does not necessarily reflect the outcomes and views of patients. CONCLUSION: The evidence base around the palliative care needs and experiences of people with mesothelioma and their carers needs to be strengthened. The results of this review support the need to develop a greater understanding about the role non-specialist palliative care clinicians' play in providing generalist palliative care for people with mesothelioma and their carers.


Assuntos
Enfermagem de Cuidados Paliativos na Terminalidade da Vida , Mesotelioma Maligno , Mesotelioma , Cuidadores , Humanos , Mesotelioma/terapia , Cuidados Paliativos
6.
Thorax ; 75(11): 1001-1003, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32732323

RESUMO

Congenital pulmonary airway malformations (CPAMs) are rare lung abnormalities that result in cyst formation and are associated with respiratory distress in infants and malignant potential in adults. The pathogenesis of CPAMs remains unknown but data suggest disruption of the normal proximo-distal programme of airway branching and differentiation. Here, we demonstrate that adult human CPAM are lined with epithelium that retains SOX-2 and thyroid transcription factor-1 immunohistochemical markers, characteristic of the developing lung. However, RALDH-1, another key marker, is absent. This suggests a more complex aetiology for CPAM than complete focal arrest of lung development and may provide insight to the associated risk of malignancy.


Assuntos
Pulmão/embriologia , Mucosa Respiratória/metabolismo , Anormalidades do Sistema Respiratório/metabolismo , Anormalidades do Sistema Respiratório/patologia , Adulto , Família Aldeído Desidrogenase 1/metabolismo , Biomarcadores/metabolismo , Diferenciação Celular , Proteínas de Ligação a DNA/metabolismo , Humanos , Técnicas In Vitro , Retinal Desidrogenase/metabolismo , Fatores de Transcrição SOXB1/metabolismo , Fatores de Transcrição/metabolismo
7.
Psychooncology ; 29(10): 1464-1473, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32596966

RESUMO

OBJECTIVE: Despite recent advances in research, malignant mesothelioma remains an incurable and devastating disease, typically bringing shock and emotional distress to patients and carers. Little research has addressed the psychological impact on either group. This scoping review examines the current state of evidence on the psychological effects of mesothelioma on patients and carers, and identifies areas for further research. METHODS: We searched PubMed, PsychINFO, CINAHL, the Cochrane Library and Web of Science for English-language peer-reviewed research articles published 1981 to 2019 reporting studies focussing on the psychological effects of mesothelioma on patients and carers. Following data extraction and quality appraisal, reflexive thematic analysis was used to identify themes. RESULTS: Seventeen articles met the inclusion criteria. Carers' experiences were generally amalgamated with patients'. Three themes were developed. The Passing of Time included the importance of timing of interventions; delays in the medical journey; awareness of different time-phases in mesothelioma; and uncertainty/certainty. Dealing with Difficult Feelings reflected ubiquitous negative emotions, feelings about identity and states of being and associated coping strategies. Craving Good Communication covered issues related to sharing of information and to positive/negative aspects of communication. CONCLUSIONS: Though limited, the evidence indicates that mesothelioma, with its high symptom-burden, incurability, rarity and asbestos-related causation, leads to complex and inter-relating psychological effects on patients and carers. These effects are both negative and positive. The sparse literature gives a partial picture and demonstrates an urgent need for more nuanced research. Studies exploring the experiences of specific groups are recommended, with particular attention required to carers.


Assuntos
Adaptação Psicológica , Cuidadores/psicologia , Mesotelioma Maligno/psicologia , Angústia Psicológica , Qualidade de Vida/psicologia , Emoções , Feminino , Humanos , Masculino , Saúde Mental , Cuidados Paliativos , Estresse Psicológico , Incerteza
8.
BMC Nurs ; 19: 88, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32963498

RESUMO

BACKGROUND: A lower recruitment and high turnover rate of registered nurses have resulted in a global shortage of nurses. In the UK, prior to the COVID-19 epidemic, nurses' intention to leave rates were between 30 and 50% suggesting a high level of job dissatisfaction. METHODS: In this study, we analysed data from a cross-sectional mixed-methods survey developed by the Royal College of Nursing and administered to the nursing workforce across all four UK nations, to explore the levels of dissatisfaction and demoralisation- one of the predictors of nurses' intention to leave. We carried out logistic regression analysis on available data in order to determine what impacts job dissatisfaction. RESULTS: In total, 1742 nurses responded to questions about working conditions on their last shift. We found that nearly two-thirds of respondents were demoralised. Nurses were five times more likely (OR 5.08, 95% CI: 3.82-6.60) to feel demoralised if they reported missed care. A perceived lack of support had nearly the same impact on the level of demoralisation (OR 4.8, 95% CI: 3.67-6.38). These findings were reflected in the qualitative findings where RNs reported how staffing issues and failures in leadership, left them feeling disempowered and demoralised. CONCLUSION: A large proportion of nurses reported feeling dissatisfied and demoralised. In order to reduce the negative impact of dissatisfaction and improve retention, more research needs to investigate the relationship dynamics within healthcare teams and how the burden experienced by RNs when unsupported by managers impacts on their ability to provide safe, good-quality care. These findings predate the current Covid-19 pandemic outbreak which may have had a further detrimental effect on job satisfaction in the UK and other nation's nursing workforce.

9.
Eur J Oncol Nurs ; 70: 102572, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38640636

RESUMO

PURPOSE: Mesothelioma is an incurable, asbestos related cancer with a poor prognosis. Little is known about how patients and carers living with the condition manage their mental health and wellbeing needs. This paper reports findings on interventions being used by patients and informal carers living with mesothelioma and those which they find most helpful. METHODS: In-depth interviews with patients (n = 10) and (informal) carers (n = 11) living with mesothelioma in the UK. We analysed our data inductively using a reflexive thematic analysis approach. RESULTS: Participants described the importance of both smaller and larger actions and strategies which helped with their mental health. This included spending more time with family and friends and going on holidays. Professionals who participants said supported their mental health journey included not only specialist nurses and mental health professionals but also legal and Asbestos Support Group professionals. The latter demonstrates the unique needs and support required for this population. Exposure to asbestos as the cause of mesothelioma, has led to a social justice aspect of the experience of living with this cancer. Participants reported the importance of collective action to their mental health and wellbeing. The data indicate that patients and carers may have distinct mental health and wellbeing requirements and need to manage these in different ways at different times. CONCLUSIONS: Findings have implications for nurses and other key professionals working in healthcare, community and legal settings supporting this client group, and for those living with mesothelioma who want to understand ways to enhance their own wellbeing.


Assuntos
Cuidadores , Saúde Mental , Mesotelioma , Pesquisa Qualitativa , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Cuidadores/psicologia , Idoso , Mesotelioma/psicologia , Reino Unido , Qualidade de Vida , Adulto , Apoio Social , Adaptação Psicológica , Idoso de 80 Anos ou mais , Entrevistas como Assunto
10.
BMJ Open ; 14(6): e075071, 2024 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-38951010

RESUMO

OBJECTIVES: Mesothelioma is an aggressive cancer predominantly affecting the lung and abdominal linings. It can have a unique impact on mental health and well-being (MHWB) due to its incurability, poor prognosis and asbestos-exposure causation. This review's aims were to identify/synthesise international evidence on mesothelioma's MHWB impacts; explore MHWB interventions used by patients and carers; and identify evidence of their effectiveness. DESIGN: Systematic review. DATA SOURCES: Databases, searched March 2022 and March 2024, were MEDLINE; CINAHL; PsycINFO; Cochrane Library; ASSIA. ELIGIBILITY CRITERIA: We included study designs focusing on psychological impacts of living with mesothelioma and MHWB interventions used by patients and informal carers, published in English since January 2002. DATA EXTRACTION AND SYNTHESIS: A team of reviewers screened included studies using standardised methods. Quality was assessed using validated tools: Mixed-Methods Appraisal tool for primary research and Joanna Briggs Institute Critical Appraisal Checklist for Systematic Reviews. RESULTS: Forty-eight studies met the inclusion criteria: 20 qualitative, 16 quantitative, nine reviews, two mixed-methods, one combined systematic review/qualitative study. UK studies predominated. Many MHWB impacts were reported, including traumatic stress, depression, anxiety and guilt. These were influenced by mesothelioma's causation, communication issues and carer-patient relational interactions. Participants used wide-ranging MHWB interventions, including religious/spiritual practice; talking to mental-health professionals; meaning-making. Some strategies were presented as unhelpful, for example, denial. Participants reported lack of access to support. CONCLUSIONS: Most qualitative studies were rated high quality. The quality of the quantitative studies and reviews varied. The sparse literature regarding MHWB in mesothelioma means more research is needed into impacts on patients and carers, including trauma. To enable access to evidence-based support, research is recommended concerning MHWB interventions' effectiveness in mesothelioma. PROSPERO REGISTRATION NUMBER: CRD42022302187.


Assuntos
Cuidadores , Saúde Mental , Mesotelioma , Humanos , Mesotelioma/psicologia , Mesotelioma/terapia , Cuidadores/psicologia , Qualidade de Vida , Ansiedade/etiologia , Depressão/etiologia
11.
Nurs Open ; 11(3): e2131, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38454745

RESUMO

AIM: The aim of this study was to understand the factors that contribute to the development of the nursing associate professional identity. DESIGN: A 3-year longitudinal qualitative study of trainee nursing associates. METHODS: Trainee nursing associates in England were interviewed remotely annually in February 2020, March 2021 and March 2022. They also provided diary entries. Data were anonymised, transcribed and analysed thematically. RESULTS: Nursing associate professional identity was developed through: increased knowledge, skills and responsibility; and self-perceptions of identity alongside responses to the role by colleagues. Tensions arose when the scope of practice expected by organisations differed from that expected by the nursing associates. Frustrations occurred when nursing associates were perceived as substitutes for Registered Nurses in the context of nursing workforce shortages. CONCLUSION: Nursing associates in this study clearly valued their new knowledge, skills and responsibility, enabling them to provide enhanced patient care. Increased clarity of role boundaries is necessary in enhancing the professional identity of nursing associates and reducing inter-professional tensions arising from role ambiguity within health and social care organisations. IMPLICATIONS FOR THE PROFESSION: National guidance and employers should provide clarity on the boundaries of the nursing associate role which will strengthen their professional identity and mitigate role ambiguity within health and social care organisations. REPORTING METHOD: The Consolidated Criteria for Reporting Qualitative Research has been used to guide reporting. PATIENT OF PUBLIC CONTRIBUTION: A patient and public involvement group was consulted during the initial study design stage. IMPACT: This study aimed to understand the factors which contribute to the development of a nursing associate professional identity. Nursing associate professional identity is developed through increased knowledge, skills and responsibility, and the perceptions of identity by participants themselves and their colleagues. The findings should inform the implementation of initiatives to clarify nursing associate role boundaries and the development of similar roles internationally.


Assuntos
Profissionais de Enfermagem , Recursos Humanos de Enfermagem , Humanos , Pesquisa Qualitativa , Inglaterra , Pesquisadores
12.
Eur J Oncol Nurs ; 70: 102545, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38522172

RESUMO

PURPOSE: Mesothelioma is an incurable, asbestos-related cancer with a poor prognosis. There is scant evidence about the mental health and well-being impacts on patients and carers living with the illness. This study aimed to investigate mesothelioma's impact on mental health and well-being and the scale of mental health conditions in patients and informal carers. METHODS: A mixed-methods design was used: a cross-sectional survey of mesothelioma patients and informal carers plus semi-structured interviews with patients and carers. The survey used validated scales collecting data on mental health aspects of mesothelioma: the EQ5D to assess health-related quality-of-life; the Hospital Anxiety and Depression scale; the PCL-5 to assess Posttraumatic Stress; and the Posttraumatic Growth Inventory. The datasets were integrated during analysis. RESULTS: 96 useable survey responses were received. A clinical level of depression was reported by 29 participants (30.21%), of anxiety by 48 (50%), of posttraumatic distress disorder by 32 (33.33%), and of posttraumatic growth by 34 (35.42%). Carers had worse scores than patients. Three main themes were developed from interviews with 10 patients and 11 carers: 'Prognosis', 'Support from services', and 'Social connections and communication'. CONCLUSIONS: Healthcare professionals delivering a mesothelioma diagnosis require regular training in communication skills plus updating in current treatment options, so they provide an appropriate mix of realism and hope. Better signposting to mental health support is needed for patients and carers. Our introduction of posttraumatic growth into the mesothelioma literature is novel. We recommend specialist nurses are trained to recognise, understand, and foster posttraumatic growth.


Assuntos
Cuidadores , Mesotelioma , Qualidade de Vida , Humanos , Masculino , Feminino , Mesotelioma/diagnóstico , Mesotelioma/psicologia , Estudos Transversais , Pessoa de Meia-Idade , Idoso , Cuidadores/psicologia , Adulto , Saúde Mental , Depressão/epidemiologia , Depressão/diagnóstico , Ansiedade/epidemiologia , Ansiedade/diagnóstico , Idoso de 80 Anos ou mais , Transtornos de Estresse Pós-Traumáticos/diagnóstico , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Inquéritos e Questionários , Mesotelioma Maligno/diagnóstico
13.
Epigenetics Chromatin ; 17(1): 12, 2024 Apr 27.
Artigo em Inglês | MEDLINE | ID: mdl-38678237

RESUMO

BACKGROUND: Regulation of the thermogenic response by brown adipose tissue (BAT) is an important component of energy homeostasis with implications for the treatment of obesity and diabetes. Our preliminary analyses of RNA-Seq data uncovered many nodes representing epigenetic modifiers that are altered in BAT in response to chronic thermogenic activation. Thus, we hypothesized that chronic thermogenic activation broadly alters epigenetic modifications of DNA and histones in BAT. RESULTS: Motivated to understand how BAT function is regulated epigenetically, we developed a novel method for the first-ever unbiased top-down proteomic quantitation of histone modifications in BAT and validated our results with a multi-omic approach. To test our hypothesis, wildtype male C57BL/6J mice were housed under chronic conditions of thermoneutral temperature (TN, 28°C), mild cold/room temperature (RT, 22°C), or severe cold (SC, 8°C) and BAT was analyzed for DNA methylation and histone modifications. Methylation of promoters and intragenic regions in genomic DNA decrease in response to chronic cold exposure. Integration of DNA methylation and RNA expression datasets suggest a role for epigenetic modification of DNA in regulation of gene expression in response to cold. In response to cold housing, we observe increased bulk acetylation of histones H3.2 and H4, increased histone H3.2 proteoforms with di- and trimethylation of lysine 9 (K9me2 and K9me3), and increased histone H4 proteoforms with acetylation of lysine 16 (K16ac) in BAT. CONCLUSIONS: Our results reveal global epigenetically-regulated transcriptional "on" and "off" signals in murine BAT in response to varying degrees of chronic cold stimuli and establish a novel methodology to quantitatively study histones in BAT, allowing for direct comparisons to decipher mechanistic changes during the thermogenic response. Additionally, we make histone PTM and proteoform quantitation, RNA splicing, RRBS, and transcriptional footprint datasets available as a resource for future research.


Assuntos
Tecido Adiposo Marrom , Resposta ao Choque Frio , Metilação de DNA , Epigênese Genética , Histonas , Camundongos Endogâmicos C57BL , Animais , Tecido Adiposo Marrom/metabolismo , Camundongos , Masculino , Histonas/metabolismo , Código das Histonas , Termogênese , Temperatura Baixa
14.
bioRxiv ; 2024 Jan 22.
Artigo em Inglês | MEDLINE | ID: mdl-38328142

RESUMO

Regulation of the thermogenic response by brown adipose tissue (BAT) is an important component of energy homeostasis with implications for the treatment of obesity and diabetes. Our preliminary analyses uncovered many nodes representing epigenetic modifiers that are altered in BAT in response to chronic thermogenic activation. Thus, we hypothesized that chronic thermogenic activation broadly alters epigenetic modifications of DNA and histones in BAT. Motivated to understand how BAT function is regulated epigenetically, we developed a novel method for the first-ever unbiased top-down proteomic quantitation of histone modifications in BAT and validated our results with a multi-omic approach. To test our hypothesis, wildtype male C57BL/6J mice were housed under chronic conditions of thermoneutral temperature (TN, 28.8°C), mild cold/room temperature (RT, 22°C), or severe cold (SC, 8°C) and BAT was analyzed for DNA methylation and histone modifications. Methylation of promoters and intragenic regions in genomic DNA decrease in response to chronic cold exposure. Integration of DNA methylation and RNA expression data suggest a role for epigenetic modification of DNA in gene regulation in response to cold. In response to cold housing, we observe increased bulk acetylation of histones H3.2 and H4, increased histone H3.2 proteoforms with di- and trimethylation of lysine 9 (K9me2 and K9me3), and increased histone H4 proteoforms with acetylation of lysine 16 (K16ac) in BAT. Taken together, our results reveal global epigenetically-regulated transcriptional "on" and "off" signals in murine BAT in response to varying degrees of chronic cold stimuli and establish a novel methodology to quantitatively study histones in BAT, allowing for direct comparisons to decipher mechanistic changes during the thermogenic response. Additionally, we make histone PTM and proteoform quantitation, RNA splicing, RRBS, and transcriptional footprint datasets available as a resource for future research.

15.
J Pharm Pract ; 36(3): 640-649, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-34708667

RESUMO

PurposeThis article is an in-depth review of the complex classification, diagnosis, and treatment of idiopathic interstitial pneumonias (IIP), as well as emergence of new treatment options. Summary: Idiopathic interstitial pneumonias consist of various subgroup classifications that require expert analysis of imaging and histology to accurately diagnose this broad group of patients. Timely and accurate assessment of these patients is key in developing an appropriate pharmacological plan. The pathophysiology of IIP is not well understood but has been linked to an immune response resulting in inflammation, fibrosis, or proliferation of lung tissue which reduces lung function. Lung transplantation is currently the only curative option for treatment, but many new antiproliferative and immunosuppressive agents are being used to effectively slow the progression of lung dysfunction. Conclusion: An often mixed radiological and histological pattern along with the invasive nature of biopsy for gold standard diagnosis create a challenge for the accurate identification of IIP. Further understanding of these idiopathic interstitial pneumonias will pave the way forward to the emergence of new treatment options and updates to standards of care.


Assuntos
Pneumonias Intersticiais Idiopáticas , Humanos , Pneumonias Intersticiais Idiopáticas/diagnóstico , Pneumonias Intersticiais Idiopáticas/terapia , Pneumonias Intersticiais Idiopáticas/patologia , Pulmão/patologia , Inflamação , Biópsia , Imunossupressores
16.
Prim Health Care Res Dev ; 24: e3, 2023 01 09.
Artigo em Inglês | MEDLINE | ID: mdl-36617862

RESUMO

AIM: To explore higher education institution (HEI) perspectives on the development and implementation of trainee nursing associates (NAs) in the primary care workforce in England. BACKGROUND: Current shortages of primary health care staff have led to innovative skill mix approaches in attempts to maintain safe and effective care. In England, a new level of nursing practice, NAs, was introduced and joined the workforce in 2019. This role was envisaged as a way of bridging the skills gap between health care assistants and registered nurses and as an alternative route into registered nursing. However, there is limited evidence on programme development and implementation of trainee NAs within primary care settings and HEI perspectives on this. METHODS: This paper draws from a larger qualitative study of HEI perspectives on the trainee NA programme. Twenty-seven staff involved in training NAs, from five HEIs across England, were interviewed from June to September 2021. The interview schedule specifically included questions relating to primary care. Data relating to primary care were extracted and analysed using a combined framework and thematic analysis approach. FINDINGS: Three themes were developed: 'Understanding the trainee role and requirements', 'Trainee support in primary care' and 'Skills and scope of practice'. It is apparent that a more limited understanding of the NA programme requirements can lead to difficulties in accessing the right support for trainees in primary care. This can create challenges for trainees in gaining the required competencies and uncertainty in understanding what constitutes a safe scope of practice within the role for both employers and trainees. It might be anticipated that as this new programme becomes more embedded in primary care, a greater understanding will develop, support will improve and the nature and scope of this new level of practice will become clearer.


Assuntos
Atenção Primária à Saúde , Instituições Acadêmicas , Humanos , Pesquisa Qualitativa , Universidades , Desenvolvimento de Programas
17.
Prim Health Care Res Dev ; 24: e32, 2023 04 28.
Artigo em Inglês | MEDLINE | ID: mdl-37114453

RESUMO

BACKGROUND: The nursing associate role was first deployed in England in 2019 to fill a perceived skills gap in the nursing workforce between healthcare assistants and registered nurses and to offer an alternative route into registered nursing. Initially, trainee nursing associates were predominantly based in hospital settings; however, more recently, there has been an increase in trainees based in primary care settings. Early research has focussed on experiences of the role across a range of settings, particularly secondary care; therefore, little is known about the experiences and unique support needs of trainees based in primary care. AIM: To explore the experiences and career development opportunities for trainee nursing associates based in primary care. METHODS: This study used a qualitative exploratory design. Semi-structured interviews were undertaken with 11 trainee nursing associates based in primary care from across England. Data were collected between October and November 2021, transcribed and analysed thematically. FINDINGS: Four key themes relating to primary care trainee experiences of training and development were identified. Firstly, nursing associate training provided a 'valuable opportunity for career progression'. Trainees were frustrated by the 'emphasis on secondary care' in both academic content and placement portfolio requirements. They also experienced 'inconsistency in support' from their managers and assessors and noted a number of 'constraints to their learning opportunities', including the opportunity to progress to become registered nurses. CONCLUSION: This study raises important issues for trainee nursing associates, which may influence the recruitment and retention of the nursing associate workforce in primary care. Educators should consider adjustments to how the curriculum is delivered, including primary care skills and relevant assessments. Employers need to recognise the resource requirements for the programme, in relation to time and support, to avoid undue stress for trainees. Protected learning time should enable trainees to meet the required proficiencies.


Assuntos
Currículo , Aprendizagem , Humanos , Inglaterra , Pesquisa Qualitativa , Atenção Primária à Saúde
18.
Eur J Oncol Nurs ; 63: 102281, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36905742

RESUMO

OBJECTIVES: Incidence of mesothelioma worldwide is growing and the UK reports the highest global incidence. Mesothelioma is an incurable cancer with a high symptom burden. However, it is under researched when compared to other cancers. The aim of this exercise was to identify unanswered questions about the mesothelioma patient and carer experience in the UK and to prioritise research areas of most importance through consultation with patients, carers and professionals. MATERIALS AND METHODS: A virtual Research Prioritisation Exercise was conducted. This involved a review of mesothelioma patient and carer experience literature to identify research gaps and a national online survey to identify and rank research gaps. Following this, a modified consensus method with mesothelioma experts (patients, carers and professionals from healthcare, legal, academic and volunteer organisations) was undertaken to reach a consensus regarding mesothelioma patient and carer experience research priorities. RESULTS: Survey responses were received from 150 patients, carers and professionals and 29 research priorities were identified. During consensus meetings, 16 experts refined these into a list of 11 key priorities. The five most urgent priorities were symptom management, receiving a mesothelioma diagnosis, palliative and end of life care, treatment experiences, barriers and facilitators to joined up service provision. CONCLUSION: This novel priority setting exercise will shape the national research agenda, contribute knowledge to inform nursing and wider clinical practice and ultimately improve the experiences of mesothelioma patients and carers.


Assuntos
Mesotelioma , Assistência Terminal , Humanos , Cuidadores , Cuidados Paliativos , Pacientes
19.
Elife ; 122023 05 19.
Artigo em Inglês | MEDLINE | ID: mdl-37204295

RESUMO

In nucleosomes, histone N-terminal tails exist in dynamic equilibrium between free/accessible and collapsed/DNA-bound states. The latter state is expected to impact histone N-termini availability to the epigenetic machinery. Notably, H3 tail acetylation (e.g. K9ac, K14ac, K18ac) is linked to increased H3K4me3 engagement by the BPTF PHD finger, but it is unknown if this mechanism has a broader extension. Here, we show that H3 tail acetylation promotes nucleosomal accessibility to other H3K4 methyl readers, and importantly, extends to H3K4 writers, notably methyltransferase MLL1. This regulation is not observed on peptide substrates yet occurs on the cis H3 tail, as determined with fully-defined heterotypic nucleosomes. In vivo, H3 tail acetylation is directly and dynamically coupled with cis H3K4 methylation levels. Together, these observations reveal an acetylation 'chromatin switch' on the H3 tail that modulates read-write accessibility in nucleosomes and resolves the long-standing question of why H3K4me3 levels are coupled with H3 acetylation.


Assuntos
Cromatina , Histonas , Histonas/metabolismo , Nucleossomos , Metilação , Acetilação
20.
Eur J Oncol Nurs ; 58: 102122, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35339776

RESUMO

PURPOSE: Mesothelioma is a rare and incurable cancer linked to asbestos exposure. It primarily affects the pleura. This systematic rapid review aimed to identify what is known about the experience of living with mesothelioma, from the perspective of patients and their informal carers. METHODS: Medline, PsycInfo, Scopus and the Cumulative Index to Nursing and Allied Health Literature were searched for empirical studies published between December 2008 and October 2020. Google Scholar was searched. The inclusion criteria stated that studies were peer-reviewed, reported the experience of living with mesothelioma from the perspective of patients and carers and written in English. The Mixed-Methods Appraisal Tool was used to assess quality. The review protocol is registered on PROSPERO: CRD42020204726. RESULTS: Twenty-five studies met the inclusion criteria. Following data extraction, a narrative synthesis identified three themes: the impact on the individual; the impact on informal carers and relationships; and interactions with professionals and systems. The physical and psychological symptom burden of mesothelioma on patients' lives was reported as high. Both the qualitative and quantitative literature highlighted that patients and carers may have different needs throughout the mesothelioma journey. Differences included psychological experiences and preferences regarding the timing of information and support provision. Patients and carers expected their health care professionals to be knowledgeable about mesothelioma or refer to those who were. Health care professionals that were compassionate, honest and supportive also positively influenced the experience of patients and carers living with mesothelioma. A lack of communication or misinformation was damaging to the patient-healthcare professional relationship. Continuity of care, coordinated care and good communication between treatment centres were widely reported as important in the literature. Fragmented care was identified as detrimental to the patient experience, increasing anxiety in patients. However, relationships with professionals were not only important in terms of co-ordinating care. There was also evidence that good relationships with healthcare professionals were beneficial to coping with the mesothelioma diagnosis. CONCLUSION: The volume of mesothelioma experience research has grown over the past decade. This has led to our growing understanding of the complex needs and experiences of mesothelioma patients and carers. However, this review identified several evidence gaps.


Assuntos
Amianto , Mesotelioma , Adaptação Psicológica , Cuidadores/psicologia , Pessoal de Saúde , Humanos , Mesotelioma/terapia , Pesquisa Qualitativa
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