Lavecchia Antonio, Di Giovanni Carmen
a University of Naples Federico II, Department of Pharmacy, "Drug Discovery" Laboratory , Via D. Montesano 49, Naples, Italy +39 081 678 613 ; +39 081 678 012 ;
Expert Opin Ther Pat. 2015;25(11):1341-7. doi: 10.1517/13543776.2015.1076393.
PPARγ is an essential regulator of lipid, glucose, and insulin metabolism. PPARγ full agonists, such as thiazolidinediones, are the mainstay drugs for the treatment of type 2 diabetes; however, undesirable clinical side effects have contributed to poor compliance with therapy and limited their full therapeutic potential. In the last few years, many efforts have been made in the discovery and development of selective PPARγ modulators (SPPARγMs) as safer alternatives to PPARγ full agonists.
This application claims the plant-derived amorfrutins or their synthetic analogs as SPPARγMs with potential to exhibit glucose-lowering effects without provoking side effects associated with full PPARγ activation. Specifically, the in vivo glucose-lowering properties of the high-affinity SPPARγM amorfrutin B are described. Moreover, examples of this class of compounds exhibit interesting antiproliferative activities.
The patent (WO2014177593 A1) under discussion proposes enriching functional food products or phytomedical extracts with safe licorice extracts, containing sufficient amounts of amorfrutins, with the ultimate goal of inhibiting the early development of disorders such as insulin resistance. Interestingly, some example compounds show anticancer properties in colon, prostate, and breast malignancies. However, further in vivo investigations of the claimed compounds for these specific indications will be necessary to definitively support their clinical applications.
过氧化物酶体增殖物激活受体γ(PPARγ)是脂质、葡萄糖和胰岛素代谢的关键调节因子。PPARγ完全激动剂,如噻唑烷二酮类药物,是治疗2型糖尿病的主要药物;然而,不良的临床副作用导致患者对治疗的依从性差,并限制了它们的全部治疗潜力。在过去几年中,人们在发现和开发选择性PPARγ调节剂(SPPARγMs)方面做出了许多努力,将其作为比PPARγ完全激动剂更安全的替代品。
本申请要求保护植物来源的阿莫弗鲁汀或其合成类似物作为SPPARγMs,它们有可能在不引发与PPARγ完全激活相关副作用的情况下发挥降糖作用。具体而言,描述了高亲和力SPPARγM阿莫弗鲁汀B的体内降糖特性。此外,这类化合物的实例还表现出有趣的抗增殖活性。
正在讨论的专利(WO2014177593 A1)提议用含有足够量阿莫弗鲁汀的安全甘草提取物来丰富功能性食品或植物医学提取物,最终目标是抑制胰岛素抵抗等疾病的早期发展。有趣的是,一些实例化合物在结肠癌、前列腺癌和乳腺癌中显示出抗癌特性。然而,对于这些特定适应症的所要求保护的化合物,还需要进一步的体内研究来明确支持它们的临床应用。