Voz e trabalho: estudo dos condicionantes das mudanças a partir do discurso de docentes

This study aims to analyze, by means of manifestation of worsening or improvement in work ability, the aspects conditioning changes in the relation between work and voice, according to the discourse of teachers working at the municipal education network of São Paulo, Brazil. The participants were female teachers who, when comparing with a previous research, had greater difference both in terms of worsening (Group A) and improvement (Group B) in the results of the Work Ability Index. They were invited to discuss which aspects could explain the improvement or worsening in these results, in a focus group context. The reports were transcribed and qualitatively analyzed, according to the recurrence of utterances. We found out that group A showed a worse health status and it had a greater need to talk about difficulties at work. Group B showed more strength to face problems related to work, including creative proposals. In favor of Group B, better work relationships were also registered concerning social support and autonomy.O objetivo deste estudo é analisar, a partir da manifestação de piora ou melhora de capacidade para o trabalho, os aspectos condicionantes de mudanças na relação entre trabalho e voz, segundo o discurso de docentes da rede municipal de ensino de São Paulo. Participaram as professoras que, em comparação com pesquisa anterior, apresentaram maior diferença tanto para piora (Grupo A) como para melhora (Grupo B) nos resultados do Índice de Capacidade para o Trabalho. Elas foram convidadas a discutir quais aspectos poderiam explicar a melhora ou piora desses resultados, em um contexto de grupo focal. Os relatos foram transcritos e analisados qualitativamente, segundo a recorrência dos enunciados. Constatou-se que o grupo A apresentou condição mais adoecida e maior necessidade de falar sobre as dificuldades no trabalho. O Grupo B apresentou mais força para enfrentar os problemas referentes ao trabalho, inclusive propostas criativas. A favor do Grupo B, também foram registradas melhores relações no trabalho quanto ao apoio social e autonomia

Influence of Chronic Alcohol Use on Osteoblastic Differentiation of Bone Marrow Cells, Bone Properties, and Hepatic and Renal Morphology of Rats

Chronic alcohol exposure can affect the osteoblastic activity and the proliferation and differentiation of cells due to its toxic effect, which can affect negatively bone repair and bone microarchitecture. The aim of this study was to evaluate the effects of chronic use of 20% alcohol on rats regarding osteoblastic differentiation, extrinsic and intrinsic properties of the tibia, and hepatic and renal morphology. Wistar rats were divided into three groups (n=9) in accordance with a 24-week diet. After euthanasia, kidneys, liver, and tibias were removed for analysis and femurs mesenchymal cells were collected. The results showed that chronic use of 20% alcohol influenced neither the alkaline phosphatase production nor total protein (p>0.05) in rats, with similar formation of nodules in all groups (p>0.05). However, significant changes in the liver and kidneys and adverse effects on the mechanical properties of the tibia were observed. According to the results, it can be concluded that the chronic use of alcohol for 24 weeks had no negative influence on the activity and differentiation of osteoblasts, but the mechanical properties of the tibia were impaired and the organs responsible for metabolism and excretion were also affected due to the consumption of alcohol