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6141“…Andrographis paniculata is a well-known Asian medicinal plant with a major phytoconstituent of diterpene lactones, such as andrographolide, 14-deoxyandrographolide, and neoandrographolide. …”
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6142por Myer, Landon, Essajee, Shaffiq, Broyles, Laura N., Watts, D. Heather, Lesosky, Maia, El-Sadr, Wafaa M., Abrams, Elaine J.“…Landon Myer and colleagues discuss viral load monitoring for pregnant HIV-positive women and those breastfeeding; ART treatments can suppress viral load and are key to preventing transmission to the child.…”
Publicado 2017
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6143“…Swanton et al.(1) find that PM(2.5) exposure is associated with EGFR/KRAS-driven lung cancer incidence. …”
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6144por Brito, Iván, López-Rodríguez, Matías, Zárraga, Miguel, Paz, Cristian, Pérez, Claudia“…In the crystal structure of the title compound, C(15)H(22)O(2), the cyclohexene and cyclohexane rings adopt half-boat and chair conformations, respectively, and the lactone ring is in an envelope conformation.…”
Publicado 2008
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6145por Dupont, Charly A., Bourigault, Yvann, Osmond, Théo, Nier, Maëva, Barbey, Corinne, Latour, Xavier, Konto-Ghiorghi, Yoan, Verdon, Julien, Merieau, Annabelle“…Next, to test the ability of MFE01 to synthesize N-acyl homoserine lactones in our conditions, we investigated in silico the presence of corresponding genes across the MFE01 genome and we exposed its biofilms to an N-acyl homoserine lactone-degrading enzyme. …”
Publicado 2023
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6146por Zuercher, Emilie, Bordet, Julie, Burnand, Bernard, Peytremann-Bridevaux, Isabelle“…In 2010, the Public Health Department of the canton of Vaud (Switzerland) launched a regional diabetes programme entitled “Programme cantonal Diabète” (PcD), with the objectives to both decrease the incidence of diabetes and improve care for patients with diabetes. …”
Publicado 2015
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6147“…Thus, no improvement in efficacy is expected with a delay in initiating therapy with both melarsomine dihydrochloride and macrocyclic lactones, even with the presence of younger heartworms. …”
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6148por Leong, Aaron, Lim, Victor Jun Yu, Wang, Chaolong, Chai, Jin-Fang, Dorajoo, Rajkumar, Heng, Chew-Kiat, van Dam, Rob M, Koh, Woon-Puay, Yuan, Jian-Min, Jonas, Jost B, Wang, Ya Xing, Wei, Wen-Bin, Liu, Jianjun, Reilly, Dermot F, Wong, Tien-Yin, Cheng, Ching-Yu, Sim, Xueling“…The proportion of individuals with fasting glucose ≥100 mg/dL did not differ by carrier status of G6PD-Canton (p=0.21). Whereas the proportion of individuals with HbA1c ≥5.7% units was lower in carriers (5%) compared with non-carriers of G6PD-Canton (30%, p=0.03). …”
Publicado 2020
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6149por Gao, Yuanhui, Nie, Zhenyu, Cao, Hui, Huang, Denggao, Chen, Mei, Xiang, Yang, Yu, Xiaolong, Zhang, Shufang“…SIMPLE SUMMARY: Scabertopin is one of the major sesquiterpene lactones from Elephantopus scaber L. Sesquiterpene lactones are thought to have fairly strong anti-cancer efficacy. …”
Publicado 2022
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6150por Hordiei, Karyna, Gontova, Tetiana, Trumbeckaite, Sonata, Yaremenko, Maksym, Raudone, Lina“…Tanacetum parthenium, also known as feverfew, is rich in bioactive compounds, namely sesquiterpene lactones, flavonoids, and volatile oils. Sesquiterpene lactones possess anti-migraine activity, while phenolic compounds possess anti-inflammatory and antioxidant action. …”
Publicado 2023
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6151por Moumou, Mohamed, Benharref, Ahmed, Berraho, Moha, El Ammari, Lahcen, Akssira, Mohamed, Elhakmaoui, Ahmed“…The dihedral angle between the ten-membered ring and the lactone ring is 27.93 (6)°. The crystal structure is stabilized by weak intermolecular C—H⋯O hydrogen-bond interactions. …”
Publicado 2011
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6152por Moumou, Mohamed, Benharref, Ahmed, Avignant, Daniel, Oudahmane, Abdelghani, Akssira, Mohamed, Berraho, Moha“…The dihedral angle between the ten-membered ring and the lactone ring is 18.01 (19)°. An intramolecular O—H⋯N hydrogen bond occurs. …”
Publicado 2011
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6153“…In addition, there is a trisubstituted furan ring, an approximately planar γ-lactone ring [maximum deviation of 0.057 (3) Å] and a pyrazoline ring, the latter in an envelope conformation. …”
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6154por Chan, Gomathi, Awang, Khalijah, Ismail, Nor Hadiani, Ng, Seik Weng, Tiekink, Edward R. T.“…In the crystal, supramolecular chains are formed along the a axis owing to C—H⋯O contacts, with the lactone carbonyl atom accepting two such bonds.…”
Publicado 2012
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6155por Wolf, Eliane V., Zeißler, Annett, Vosyka, Oliver, Zeiler, Evelyn, Sieber, Stephan, Verhelst, Steven H. L.“…Among these was a structural class that has not yet been reported as rhomboid inhibitors: β-lactones. They form covalent and irreversible complexes with the active site serine of GlpG. …”
Publicado 2013
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6156por Mascotti, Maria Laura, Juri Ayub, Maximiliano, Dudek, Hanna, Sanz, Marcela Kurina, Fraaije, Marco W“…This kinetic resolution process led to the production of (1S,5R) normal lactone and (1R,5S) abnormal lactone with a regioisomeric ratio of 1:1 and 99% ee each. …”
Publicado 2013
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6157por Qin, Shengnan, Ang, Estabelle, Dai, Libing, Yang, Xiaohong, Ye, Dongping, Chen, Honghui, Zhou, Lin, Yang, Mingli, Teguh, Dian, Tan, Renxiang, Xu, Jun, Tickner, Jennifer, Pavlos, Nathan J., Xu, Jiake“…Osteolytic bone diseases are commonly presented with enhanced osteoclast formation and bone resorption. Sesquiterpene lactone natural compounds have been found to possess anti-inflammatory and immune-modulation effects. …”
Publicado 2015
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6158por See-Too, Wah Seng, Ee, Robson, Lim, Yan-Lue, Convey, Peter, Pearce, David A., Yin, Wai-Fong, Chan, Kok-Gan“…Whole genome analysis of this bacterial strain revealed the presence of an N-acyl homoserine lactonase, an enzyme that hydrolyzes the ester bond of the homoserine lactone of N-acyl homoserine lactone (AHLs). Heterologous gene expression in E. coli confirmed its functions for hydrolysis of AHLs, and the gene was designated as aidP (autoinducer degrading gene from Planococcus sp.). …”
Publicado 2017
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6159por Liu, Ji-Feng, Li, Hui-Juan, Wang, Li-Xia, Liu, Meng-Qi, Bi, Yue-Feng, Zhang, Yan-Bing“…Two new monoterpenes, p-mentha-1(7),8-dien-2-O-β-d-glucoside (1) and trans-2,4-dihydroxy-2,4-dimethyl-trans-1-acetic acid γ-lactone (2) were isolated from the fruits of Illicium lanceolatum along with trans-2,4-dihydroxy-2,4-dimethyl-cis-1-acetic acid γ-lactone (3), (1R,2R,4R)-8-p-menthen-1,2-diol (4), trans-sobrerol (5), (1S,2S,4R)-p-menthane-1,2,8-triol (6) and (1S, 2S, 4R, 8R)-p-menthane-1,2,9-triol (7). …”
Publicado 2013
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6160“…Michael addition of primary and secondary amines towards α,β-unsaturated γ-lactones was accomplished resulting in β-aminolactones in highly-stereoselective reactions. …”
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