Results: 378

Hyaluronic acid in tobacco-exposed rats. Inflammatory reaction, and duration of effect

Acta cir. bras; 34 (2), 2019
Abstract Purpose: To evaluate the hyaluronic acid (HA) inflammatory reaction, fibroblasts, fibrosis and duration of effect in the dorsal region of tobacco-exposed rats. Methods: Ten Wistar rats were divided into two groups: tobacco-exposed-group (TEG;n=5) and air-control-group (CG;n=5). The TEG animal...

Uso de biomarcador cotinina em trabalhadores para detecção da doença da folha verde do tabaco

Objetivo verificar, por meio da tecnologia de biomarcador de cotinina urinária, a ocorrência da doença da folha verde do tabaco em trabalhadores que cultivam tabaco do tipo Burley. Método estudo caso-controle pareado, com base no status tabágico e na proporção 1:4, com participação de 20 trab...

Biomass smoke COPD has less tomographic abnormalities but worse hypoxemia compared with tobacco COPD

Braz. j. med. biol. res; 52 (5), 2019
Special attention has emerged towards biomass smoke-induced chronic obstructive pulmonary disease (COPD), providing new knowledge for prevention and therapeutic approach of non-smoker COPD patients. However, the understanding of biomass smoke COPD is still limited and somewhat controversial. The aim of t...

Observando o desenvolvimento regional do Vale do Rio Pardo: notas sobre as dinâmicas econômicas recentes

Barbarói; (55), 2019
Este artigo aborda as dinâmicas econômicas recentes da região do Vale do Rio Pardo, localizada na área central do Rio Grande do Sul, alisando as relações com o desenvolvimento regional. Nesse sentido, buscou-se analisar as seguintes variáveis para a compreensão do desenvolvimento dessa região em...

Low p27kip1 expression in head and neck squamous cell carcinoma: association with risk factors and adverse outcomes

Appl. cancer res; 39 (), 2019
Background: Squamous cell carcinoma (SCC) of head and neck is highly prevalent in South-asian countries, owing to high consumption of areca nut/gutka and chewing tobacco. p27kip1 is a tumor suppressor gene, thought to be downregulated in oral squamous cell carcinoma. Therefore, in the present study we us...

Function analysis of anthocyanidin synthase from Morus alba L. by expression in bacteria and tobacco

Background: Flavonoids are a kind of important secondary metabolite and are commonly considered to provide protection to plants against stress and UV-B for a long time. Anthocyanidin synthase (ANS), which encodes a dioxygenase in the flavonoid pathway, catalyzes the conversion of leucoanthocyanidins to a...

Cigarros eletrônicos: esses ilustres desconhecidos

Uma nova ameaça à saúde de crianças e adolescentes surgiu: os cigarros eletrônicos (e-cigarettes), ou sistemas eletrônicos de entrega de nicotina. Esta revisão visou avaliar os diferentes tipos de cigarros eletrônicos, os efeitos tóxicos à saúde e o impacto do marketing e da legislação vigen...

JcZFP8, a C2H2 zinc finger protein gene from Jatropha curcas, influences plant development in transgenic tobacco

Background: Jatropha curcas L., as an important strategic biofuel resource with considerable economic potential, has attracted worldwide attention. However, J. curcas has yet to be domesticated. Plant height, an important agronomic trait of J. curcas, has not been sufficiently improved, and the genetic r...