Results 81 to 90 of about 483,373 (407)

Rupestonic Acid of Artemisia Rupestris L. Extract Treats Pulmonary Fibrosis in COPD by Targeting TGF‐β1

Advanced Science, EarlyView.
RA of EEAR inhibits TGF‐β1 ubiquitination and changes conformation by target binding TGF‐β1, regulating TGF‐β1/Smad2/3 signaling pathway. Thus it down‐regulated downstream protein expression, inhibited EMT and collagen deposition of ECM, in order to EEAR preventing PF in COPD.
Lingfeng Peng, Lulu Zhang, Yimeng Fan, Sijuan Huang, Qingyu Zhao, Chao Han, Zhihui Hao   +6 more
wiley   +1 more source

Molecular Cages as Probes in Indicator Displacement Assays: The Case of Scopolamine Detection

Angewandte Chemie, EarlyView.
In this research, we show the concept of molecular cages as probes in indicator displacement assays, focusing on scopolamine detection, a drug often used in drug‐facilitated sexual assaults. Drug sensing occurs via the drug‐induced transformation of non‐emissive [Fluorescein2⊂Cage] complex into [Scopolamine⊂Catenane] and highly emissive free ...
Giovanni Montà‐González, Eva Garrido, Estela Climent, Cristian Vicent, Ramón Martínez‐Máñez, Vicente Martí‐Centelles   +5 more
wiley   +2 more sources

Homoisoflavanone Delays Colorectal Cancer Progression via DNA Damage‐Induced Mitochondrial Apoptosis and Parthanatos‐Like Cell Death

Advanced Science, EarlyView.
Homoisoflavanone (HIF), a bioactive compound isolated from Polygonatum kingianum, selectively suppresses colorectal cancer progression by inducing DNA damage‐mediated mitochondrial apoptosis and parthanatos‐like cell death. HIF triggers mitochondrial dysfunction, including depolarized membrane potential, elevated ROS, and ATP depletion, while impairing
Hongjie Fan, Huzi Zhao, Pei Zhang, Pengfei Yu, Yunfei Ji, Gang Chen, Hongli Jin, Yanfang Liu, Jin Liu, Zhe‐Sheng Chen, Aiping Lyu, Xinmiao Liang, Yang Chen   +12 more
wiley   +1 more source

Total Synthesis of (+)‐Melonine and (+)‐N4‐Oxy Melonine Enabled by an Intramolecular Alkene Diamination Reaction

Angewandte Chemie, EarlyView.
A complexity‐generating intramolecular alkene diamination constitutes the pivotal step in the enantioselective synthesis of the title natural products featuring a strained, cage‐like pentacyclic architecture. Abstract Among more than four thousand monoterpene indole alkaloids (MIAs) isolated to date, only a few feature a 2,2,3‐trisubstituted indoline ...
Vincent Goëlo, Qian Wang, Jieping Zhu
wiley   +2 more sources

Recent developments in the rapid analysis of plants and tracking their bioactive constituents [PDF]

, 2009
Natural products chemistry has witnessed many new developments in the last 5 years like extractions with subcritical water and ionic liquids, LC/HRMS and LC/SPE/cryo-NMR, UHPLC, TLC/MS, MS-based preparative HPLC, comprehensive chromatography (GC × GC, LC
Beek, T.A., van, Claassen, F.W., Dapkevicius, A., Exarchou, V., Jeurissen, S.M.F., Klift, E.J.C., van der, Koleva, I., Tetala, K.K.R.   +7 more
core   +2 more sources

Marine Indole Alkaloids [PDF]

Marine Drugs, 2015
Marine indole alkaloids comprise a large and steadily growing group of secondary metabolites. Their diverse biological activities make many compounds of this class attractive starting points for pharmaceutical development. Several marine-derived indoles were found to possess cytotoxic, antineoplastic, antibacterial and antimicrobial activities, in ...
Netz, Natalie, Opatz, Till
openaire   +4 more sources

A Time‐Programmed Bilayer Wound Dressing for Dynamic Microenvironment Modulation and Full‐Thickness Regeneration in Diabetic Wounds

Advanced Science, EarlyView.
The Polyphenol+PDGF‐BB scaffold fabrication (Panel A) and its dual wound healing effects (Panel B: anti‐inflammation and accelerated tissue remodeling). ABSTRACT Chronic diabetic wounds suffer from dysfunctional repair programs due to accumulated advanced glycation end products (AGEs) and persistent inflammation in hyperglycemic microenvironments ...
Lei Yi, Wanqian Li, Ying Duanmu, Zihan Zhang, Shixuan Chen, Shichu Xiao, Lei Du, Miaomiao Wei   +7 more
wiley   +1 more source

Triggering the Amphotericin B Pore-Forming Activity by Phytochemicals

Membranes, 2023
The macrolide polyene antibiotic amphotericin B (AmB), remains a valuable drug to treat systemic mycoses due to its wide antifungal activity and low probability of developing resistance.
Svetlana S. Efimova, Anna I. Malykhina, Olga S. Ostroumova   +2 more
doaj   +1 more source

Pyrrolizidine Alkaloids: Chemistry, Pharmacology, Toxicology and Food Safety

International Journal of Molecular Sciences, 2018
Pyrrolizidine alkaloids (PA) are widely distributed in plants throughout the world, frequently in species relevant for human consumption. Apart from the toxicity that these molecules can cause in humans and livestock, PA are also known for their wide ...
Rute Moreira, David M. Pereira, P. Valentão, P. Andrade   +3 more
semanticscholar   +1 more source

An overview of anti-diabetic plants used in Gabon: Pharmacology and Toxicology [PDF]

, 2018
© 2017 Elsevier B.V. All rights reserved.Ethnopharmacological relevance: The management of diabetes mellitus management in African communities, especially in Gabon, is not well established as more than 60% of population rely on traditional treatments as ...
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core   +4 more sources