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<i>trapa japonica</i>Flerov Extract Attenuates Lipid Accumulation through Downregulation of Adipogenic Transcription Factors in 3T3-L1 Cells

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American Journal of Molecular Biology 2015年第2期5卷 32-41页

作者： Mi Jin Kim Kyung Ran Im Kyung-Sup Yoon R&D Center Saimdang Cosmetics Co. Ltd. Cheongju Republic of Korea

Obesity is a major human health problem associated with various diseases, including cardiac injury and type 2 diabetes. trapa japonica Flerov (TJF) has been used in traditional oriental medicine to treat diabetes. In this study, we evaluated the inhibitory effect of and the mechanism underlying the effect of TJF extract on adipogenesis in 3T3-L1 cells. The effects of TJF extract on cell viability were analyzed using a 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide assay, and the anti-adipogenic effect was measured by oil red O staining. The expression of peroxisomal proliferator activated receptor (PPAR)γ, CCAAT/enhancer-binding protein-α (C/EBP)α, adenosine monophosphate-activated protein kinase (AMPK), acetyl-CoA carboxylase (ACC), adiponectin, and fatty acid binding protein (FABP)4 involved in adipogenesis was determined by western blot analysis. TJF extract effectively inhibited lipid accumulation and the expression of PPARγ and C/EBPα in 3T3-L1 cells. TJF also increased the phosphorylation of AMPK and ACC, and decreased the expression of adiponectin and FABP4. These results indicate that TJF extract exerts its anti-obesity effect through the downregulation of adipogenic transcription factors and adipogenic marker genes.

关键词： 3T3-L1 Cells Adipogenic Transcription Factors Lipid Accumulation trapa japonica Flerov Extract

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Response of hydrogenase enzymes (ALDH and ADH) in <i>trapa natans</i>under physiological stress

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Advances in Bioscience and Biotechnology 2012年第4期3卷 304-307页

作者： Neha Pathania-Gagandeep Kaur Joginder Singh Ashish Vyas Manoj Kumar Department of biotechnology Lovely Professional University Punjab (Phagwara) India

The present study screens activity of different enzymes in trapa natans under aerobic and anaerobic physiological conditions. Experimental analysis was carried out to assay the activities of ALDH and ADH in the seed extract of T. natans. These enzymes are associated with the alcohol metabolism of the T. natans. It was observed that a metabolic pathway shifts from aerobic respiration to anaerobic fermentation under anoxic conditions. Physiological stress related response in trapa seeds gives the leads to understand the other model for better fermentable products. During the experiment it was found that there is difference between the concenteration of enzymes in anaerobic and aerobic conditions. Concentration was check with the help of spectrophotometer at 340 nm.

关键词： ALDH ADH Anoxic Condition trapa natans

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菱属的地理分布格局及其在黑龙江流域的资源现状

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农业科技与信息（现代园林） 2014年第9期11卷 15-18页

作者：薛建华邴艳红 Pshennikova L.M. 张航燕中国科学院植物研究所植被与环境变化国家重点实验室北京100093 俄罗斯科学院远东植物园符拉迪沃斯托克690024 昌邑市林业局昌邑261300

菱属(trapa L.)是典型的温带起源物种之一。在多年资源调查的基础上,结合相关资料,总结了菱属的地理分布格局、基本生物学特性和在黑龙江流域的保护利用现状等,旨在为进一步进行相关研究奠定基础。

关键词：水生植物 trapa 分布格局

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河北中新世千屈菜科围场上位菱（英文）

河北中新世千屈菜科围场上位菱（英文）

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中国古生物学会第十二次全国会员代表大会暨第29届学术年...

作者：李亚梁肖青李承森 State Key Laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of Sciences CAS Key Laboratory of Economic Stratigraphy and Palaeogeography Nanjing Institute of Geology and PalaeontologyChinese Academy of Sciences

trapa has extensive autapomorphies,making its taxonomic assignment within the Lythraceae *** to ***,we described a trapa-related plant,Superiortrapa weichangensis *** ***.,based on immature fruits and abscised floral tubes,as well as mature fruits and seeds fossils,collected from the early Miocene of Weichang,Hebei Province,*** fruits of Superiortrapa are fusiform and probably one-seeded with a small persistent perigynous saucer-shaped floral tube,four apically barbellate sepals and four Y-shaped inter-sepal appendages arranged alternately at the rim of the tube near the fruit base,a ribbed fruit surface and a persistent *** morphological comparison of the genus with related extant and fossil genera allowsthe placement into the subfamily Trapoideae of the family Lythraceae s.l.,within which Superiortrapa is closely similar to the extinct genus Hemitrapa,especially its early representatives from Europe,***(Boulay) Mai and ***(Boulay) *** a superior ovary,Superiortrapa bridges the gaps between the distinctive Hemitrpa and trapa lineages with a partly to nearly inferior ovary and the Lythraceae *** with a superior ovary.

关键词： Superiortrapa trapa Hemitrpa Lythraceae Miocene China

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