Objeto Infoestético “É um Livro”: do real ao virtual

Esse trabalho fundamentou-se nos estudos sobre redes de transformação e de subjetividade e sobre as tensões entre os conceitos de real e virtual. Um objeto infoestético e um vernissage foram preparados para subsidiar as reflexões. O objeto infoestético foi construído a partir da transposição de um livro impresso para o formato digital em vídeo. Nessa projeção, o alvo foi despertar sentimentos e sensações e também provocar paradoxos na intersecção entre o real e o virtual.  A apresentação do objeto infoestético se deu no contexto de um vernissage de livros infanto-juvenis com uma ação artística explorando o tema da leitura, seus diferentes recursos tecnológicos, linguagens, gêneros, configurações e seus diferentes públicos. O vernissage proporcionou acesso e a manipulação de livros e materiais de diferentes configurações, formatos e propostas, incluindo ainda exemplos de integração do material impresso com mídias digitais. Conclui-se que longe de representar uma ameaça para o livro impresso, atecnologia digital convive com ele, se alia e também se ressignifica em meio ao processo. A partir dessa experiência também se constata o potencial de propostas educacionais que incluem a elaboração e utilização de objetos infoestéticos

Limites e possibilidades da Educação Ambiental em uma escola municipal agrícola de ensino fundamental

Ao compreendermos a educação enquanto formação humana intencional para a vida em sociedade, trazemos seu papel como possibilidade de transformação e pressupomos a transversalidade do tema meio ambiente. A análise do Projeto Político Pedagógico (PPP) de uma Escola Municipal Agrícola de Ensino Fundamental do Estado de São Paulo - Brasil, mediante as três possíveis dimensões da Educação Ambiental (EA), nos permitiu verificar: desafios, como a necessidade de reconhecimento da comunidade local articulada às questões globais, e perspectivas para trabalhos futuros a partir de ligações entre as dimensões da EA no PPP

Integração curricular do tema agropecuária em uma escola municipal agrícola : sentidos construídos

Considerando os desafios da educação ambiental para o enfrentamento da crise ambiental, este recorte de pesquisa, de natureza qualitativa, analisou os enunciados dos professores de uma escola agrícola (Rio Claro, SP, Brasil), buscando compreender como têm integrado o tema Agropecuária em suas práticas. Buscando a construção de sentidos sob uma perspectiva bakhtiniana, a leitura dos enunciados iniciais dos professores indicou que maioria dos professores o considera importante e indicam integrá-lo com frequência em suas atividades. No entanto, este não parece ser problematizado: os sentidos produzidos parecem distantes de romper, por meio da crítica, com o discurso hegemônico sobre a questão agropecuária

Neutrophil-to-lymphocyte and lymphocyte-to-monocyte ratios in breast cancer

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593pthe seneca study prognostic role of serum biomarkers in elderly metastatic colorectal cancer patients

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Drug holidays and overall survival of patients with metastatic colorectal cancer

Different de-escalation strategies have been proposed to limit the risk of cumulative toxicity and guarantee quality of life during the treatment trajectory of patients with metastatic colorectal cancer (mCRC). Programmed treatment interruptions, defined as drug holidays (DHs), have been implemented in clinical practice. We evaluated the association between DHs and overall survival (OS). This was a retrospective study, conducted at the University Hospital of Udine and the IRCCS CRO of Aviano. We retrieved records of 608 consecutive patients treated for mCRC from 1 January 2005 to 15 March 2017 and evaluated the impact of different de-escalation strategies (maintenance, DHs, or both) on OS through uni-and multivariate Cox regression analyses. We also looked at attrition rates across treatment lines according to the chosen strategy. In our study, 19.24% of patients received maintenance therapy, 16.12% DHs, and 9.87% both, while 32.07% continued full-intensity first-line treatment up to progression or death. In uni-and multivariate analyses first-line continuous treatment and early discontinuation (treatment for less than 3 months) were associated to worse OS compared to non-continuous strategies (HR, 1.68; 95% CI, 1.22\u20132.32; p = 0.002 and HR,4.89; 95% CI, 3.33\u20137.19; p < 0.001, respectively). Attrition rates were 22.8%, 20.61%, and 19.64% for maintenance, DHs, or both, respectively. For continuous therapy and for treatment of less than 3 months it was 21.57% and 49%. De-escalation strategies are safe and effective options. DHs after initial induction chemotherapy may be considered in clinically selected patients with metastatic colorectal cancer

Plasma-Based Longitudinal Evaluation of ESR1 Epigenetic Status in Hormone Receptor-Positive HER2-Negative Metastatic Breast Cancer

Background: Endocrine therapy (ET) is the mainstay of treatment for hormone receptor-positive human epidermal growth factor receptor 2 (HER2)-negative metastatic breast cancer; however, adaptive mechanisms emerge in about 25\u201330% of cases through alterations in the estrogen receptor ligand-binding domain, with a consequent ligand-independent estrogen receptor activity. Epigenetic-mediated events are less known and potentially involved in alternative mechanisms of resistance. The aim of this study was to test the feasibility of estrogen receptor 1 (ESR1) epigenetic characterization through liquid biopsy and to show its potential longitudinal application for an early ET sensitivity assessment. Methods: A cohort of 49 women with hormone receptor-positive HER2-negative MBC was prospectively enrolled and characterized through circulating tumor DNA using methylation-specific droplet digital PCR (MS-ddPCR) before treatment start (BL) and after 3 months concomitantly with computed tomography (CT) scan restaging (EV1). ESR1 epigenetic status was defined by assessing the methylation of its main promoters (promA and promB). The most established cell-free tumor DNA (ctDNA) factors associated with ET resistance [ESR1 and phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit alpha (PIK3CA) mutations] were assessed through next-generation sequencing. Associations were tested through Mann\u2013Whitney U test, matched pairs variations through Wilcoxon signed rank test, and survival was analyzed by log-rank test. Results: The ET backbone was mainly based on aromatase inhibitors (AIs) (70.83%) in association with CDK4/6 inhibitors (93.75%). Significantly lower promA levels at baseline were observed in patients with liver metastases (P = 0.0212) and in patients with ESR1 mutations (P = 0.0091). No significant impact on PFS was observed for promA (P = 0.3777) and promB (P = 0.7455) dichotomized at the median while a 652-fold increase in promB or in either promA or promB at EV1 resulted in a significantly worse prognosis (respectively P = 0.0189, P = 0.0294). A significant increase at EV1 was observed for promB among patients with PIK3CA mutation (P = 0.0173). A trend was observed for promB in ESR1 wild-type patients and for promA in the ESR1 mutant subgroup. Conclusion: The study proofed the concept of an epigenetic characterization strategy based on ctDNA and is capable of being integrated in the current clinical workflow to give useful insights on treatment sensitivity