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Aydin Berenjian Raja Mahanama John Kavanagh Fariba Dehghani 《Critical reviews in biotechnology》2015,35(2):199-208
The Vitamin K series, particularly menaquinone, have been attracting research attention, due to the potential in reducing both osteoporosis and cardiovascular diseases. This review provides an overview of the types of vitamin K and their health benefits. This is followed by a critical review of the various biotechnological approaches used in the production of menaquinone, including solid and liquid state fermentations, extraction and recovery. The currently available market information is summarized and future growth prospects are discussed. Recommendations are also given for areas of future research in order to improve the production process for menaquinone and reduce costs. 相似文献
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Senolytics are a category of drugs that reduce the impact of cellular senescence, an effect associated with a range of chronic and age-related diseases. Since the discovery of the first senolytics in 2015, the number of known senolytic agents has grown dramatically. This review discusses the broad categories of known senolytics—kinase inhibitors, Bcl-2 family protein inhibitors, naturally occurring polyphenols, heat shock protein inhibitors, BET family protein inhibitors, P53 stabilizers, repurposed anti-cancer drugs, cardiac steroids, PPAR-alpha agonists, and antibiotics. The approaches used to screen for new senolytics are articulated including a range of methods to induce senescence, different target cell types, various senolytic assays, and markers. The choice of methods can greatly influence the outcomes of a screen, with high-quality screens featuring robust systems, adequate controls, and extensive validation in alternate assays. Recent advances in single-cell analysis and computational methods for senolytic identification are also discussed. There is significant potential for further drug discovery, but this will require additional research into drug targets and mechanisms of actions and their subsequent rigorous evaluation in pre-clinical models and human trials. 相似文献