Depression is a mood disorder with a high prevalence rate globally, which is associated with abnormalities in 5-hydroxytryptamine (5-HT) metabolism. Emerging evidence suggests that certain probiotics that modulate 5-HT metabolism...
The aim of this study was to select probiotic strains that could be used in drinkable yogurt to yield viable cells following storage at room temperature (RT). The uniquely high altitude conditions in Tibet and the alcoholic environment of certain products, such as the highland barley wine homemade in Tibet, may induce unusual characteristics of microbial strains. A total of 27 lactic acid bacteria were isolated from homemade highland barley wines. One strain, Lactobacillus reuteri WHH1689, demonstrated no ability for lactose utilization, exhibited a high survival rate during storage at RT in drinkable yogurts, and produced very weak post-acidification. This strain showed great resistance to conditions simulating the gastrointestinal tract, including strong adherence to HT-29 cells and inhibitory activity against Escherichia coli, Shigella flexneri, Salmonella paratyphi β, and Staphylococcus aureus. A dextran sulfate sodium (DSS)-induced mouse model was used to evaluate the in vivo influence of Lb. reuteri WHH1689 on the intestinal flora and showed that strain WHH1689 increased viable counts of bifidobacteria in feces of mice. The probiotic strain selected in this study-with its high survival at RT and lack of serious post-acidification problems-may provide significant improvements for dairy industry products by extending the storage time of dairy products with living cells.
This paper provides an overview of a recent 18-month project which set out for the first time to introduce training on tobacco control into the curricula of public health courses in Chinese universities. The aim was to produce graduates with appropriate knowledge and skills to be effective in advocating for policies that could lead to the reduction of tobacco use. Results from this initial project involving seven universities have been encouraging and the new curriculum is to be implemented, with some changes, on a wider scale throughout China. Each of the universities also successfully introduced a smoke-free campus policy and the aim is to extend this policy.
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