Results 41 to 50 of about 3,625,864 (333)

Classification Framework and Structure-Activity-Relationship (SAR) of Tetracycline-Structure-Based Drugs

, 2012
By studying the literature about Tetracyclines (TCs), it becomes clearly evident that TCs are very dynamic molecules. In some cases, their structure-activity-relationship (SAR) are known, especially against bacteria, while against other targets, they are
Bortolotto, Carlotti, Chen, Chopra, De Luigi, Doershuk, Duivenvoorden, Dutta, Lambs, McNamara, Nelson, Nelson, Silvia, Stetler-Steveson, Tang, Thong, Wainwright, Yrjanheikki   +17 more
core   +2 more sources

Second-generation nitazoxanide derivatives: thiazolides are effective inhibitors of the influenza A virus [PDF]

, 2018
Aim: The only small molecule drugs currently available for treatment of influenza A virus (IAV) are M2 ion channel blockers and sialidase inhibitors. The prototype thiazolide, nitazoxanide, has successfully completed Phase III clinical trials against ...
Andrew V Stachulski, Brian M Eklov, Chandrakala Pidathala, Eleanor C Row, Giuseppe Belardo, J Edward Semple, Jean-Francois Rossignol, La Frazia S, M Gabriella Santoro, Mazhar Iqbal, Neil G Berry, Paul M O'Neill, Podlogar BL, Rossignol JF, Rossignol JF, Sara Piacentini, Sarah A Allman, Simone La Frazia   +17 more
core   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Research Progress on Structure, Activity and Structure-Activity Relationship of Sea Cucumber Polysaccharides [PDF]

Shipin Kexue
The sea cucumber is an invertebrate with significant economic value and is extensively consumed as a tonic food in Asian countries due to its high nutritional value.
SHU Zhiqiang, LIU Fang, JING Yuexin, JIAO Chunna, JI Yizhi, WANG Maojian, WANG Gongming, ZHANG Jian
doaj   +1 more source

Biosynthesis, chemical structure, and structure-activity relationship of orfamide lipopeptides produced by Pseudomonas protegens and related species [PDF]

, 2016
Orfamide type cyclic lipopeptides (CLPs) are biosurfactants produced by Pseudomonas and involved in lysis of oomycete zoospores, biocontrol of Rhizoctonia and insecticidal activity against aphids.
Geudens, Niels, Höfte, Monica, Kieu Phuong, Nam, Ma, Zongwang, Martins, José, Ongena, Marc, Sinnaeve, Davy   +6 more
core   +3 more sources

4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase in malaria parasites and enhances atovaquone efficacy

FEBS Letters, EarlyView.
Atovaquone is an antimalarial requiring potentiation for sufficient efficacy. We pursued strategies to enhance its activity, showing that 4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase, decreasing ubiquinone biosynthesis. Since atovaquone competes with ubiquinol in mitochondria, 4‐nitrobenzoate facilitates its action, potentiating ...
Ignasi Bofill Verdaguer, Matheus Felipe Santos, Maurício Mazzine Filho, Gabriela Oliveira Castro, Agustín Hernández, Manoel Aparecido Peres, Alejandro Miguel Katzin, Marcell Crispim   +7 more
wiley   +1 more source

Design, Synthesis, and Biological Evaluation of 8-Mercapto-3,7-Dihydro-1H-Purine-2,6-Diones as Potent Inhibitors of SIRT1, SIRT2, SIRT3, and SIRT5

Molecules, 2020
Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases. They regulate many physiological processes and play important roles in inflammation, diabetes, cancers, and neurodegeneration diseases.
Haozhen Han, Chunpu Li, Man Li, Lisheng Yang, Sen Zhao, Zhifei Wang, Hong Liu, Dongxiang Liu   +7 more
doaj   +1 more source

Spectral mapping of brain functional connectivity from diffusion imaging. [PDF]

, 2018
Understanding the relationship between the dynamics of neural processes and the anatomical substrate of the brain is a central question in neuroscience.
Bassett, Danielle S, Becker, Cassiano O, Grafton, Scott T, Miller, Michael B, Pappas, George J, Pequito, Sérgio, Preciado, Victor M   +6 more
core   +3 more sources

Linked dimers of the AAA+ ATPase Msp1 reveal energetic demands and mechanistic plasticity for substrate extraction from lipid bilayers

FEBS Letters, EarlyView.
Cells must clear mislocalized or faulty proteins from membranes to survive. The AAA+ ATPase Msp1 performs this task, but dissecting how its six subunits work together is challenging. We engineered linked dimers with varied numbers of functional subunits to reveal how Msp1 subunits cooperate and use energy to extract proteins from the lipid bilayer ...
Deepika Gaur, Brian Acquaviva, Baylee A. Smith, Nathan Walker, Isabella Walter, Matthew L. Wohlever   +5 more
wiley   +1 more source

Anticancer Activities of Polyynes from the Root Bark of Oplopanax horridus and Their Acetylated Derivatives

Molecules, 2014
Six polyynes OH-1~6, some of which are occur naturally in acetylated form, had been isolated and identified from the root bark of Oplopanax horridus (Devil’s Club), a natural dietary supplement and medicinal plant in North America.
Wei-Hua Huang, Li Shao, Chong-Zhi Wang, Chun-Su Yuan, Hong-Hao Zhou   +4 more
doaj   +1 more source