Results 61 to 70 of about 111,665 (297)
Advanced Science, EarlyView.SDF‐1 levels decline significantly with maternal aging. Exogenous supplementation restores meiotic spindle morphology, chromosomal alignment, and mitochondrial function while reducing oxidative stress in aged oocytes. Mechanistically, SDF‐1 enhances autophagic activity to clear accumulated stress granules, thereby rescuing fertilization competence and ...
Rui Long +12 more
wiley +1 more source
Nanometer Layer Coating to Lactose Particles for Optimization of Dexamethasone Pulmonary Delivery
Advanced Science, EarlyView.Nanometer layer coating (NLC) was investigated and its mechanism illustrated by advanced characterization techniques. The effects and application for the inhalation of dexamethasone (DEX) were demonstrated through in vitro and in vivo evaluation. This approach increased DEX bioavailability and enabled the dose to be reduced to 1/30 of the intravenous ...
Qin Nie +11 more
wiley +1 more source
Angewandte Chemie, EarlyView.Genome mining of atypical condensation (C) domains leads to the discovery of myxoglucamides, glycolipopeptides featuring an unprecedented vinyl‐substituted, α‐oxidized γ‐amino acid. Biosynthetic studies reveal a discrete C‐domain‐like O‐acyltransferase, a β‐hydroxylation‐dependent chain‐extension checkpoint, and an unusual pathway for γ‐amino acid ...
Tingting Wang +10 more
wiley +2 more sources
A Small‐Molecule DEPTAC Rescues Cognitive Deficits by Targeted Dephosphorylation of Pathological Tau
Advanced Science, EarlyView.TP2 is a fully synthetic small‐molecule dephosphorylation‐targeting chimera that recruits endogenous PP2A‐Bα to Tau, enabling targeted removal of pathological phosphate modifications. In two tauopathy mouse models, systemic TP2 reduces Tau pathology, preserves neuronal and synaptic integrity, improves neuroimmune homeostasis, and rescues cognition ...
Fei Sun +12 more
wiley +1 more source
Molecular Basis for Activation to Inhibition Switching in Kv7.2 Channel Modulators
Angewandte Chemie, EarlyView.The paper describes the serendipitous discovery of chemical manipulation allowing the activator‐to‐inhibitor switching in Kv7.2 channel modulators. The molecular determinants driving this switch have been rationalized by multidisciplinary investigation encompassing synthetic and analytical chemistry, in silico methods, cryo‐EM analysis ...
Tania Ciaglia +20 more
wiley +2 more sources
Estudios Económicos, 2008 Los precios internacionales de las materias primas se han incrementado notablemente en los últimos años, impulsados por el crecimiento de China, India y otros países en desarrollo, lo que ha repercutido favorablemente en las economías exportadoras de ...
Luis N. Lanteri
doaj +1 more source
Investigations of the Evolved Molecular Basis for Terpenoid Biosynthesis in Marine Sponges
Advanced Science, EarlyView.Confirming and extending a previous observation in another Bubarida sponge, genomic and functional analyses of A. cavernosa reveal that sponges retain the mevalonate pathway and employ single α‐domain T1TSs and UbiA‐type TSs for terpenoid biosynthesis. The absence of T1TSs clustering with other biosynthetic genes tentatively suggests, based on limited ...
Fangyan Chen +6 more
wiley +1 more source
Supramolecular Degraders: An Emerging Paradigm in Targeted Protein Degradation
Advanced Science, EarlyView.Dynamic supramolecular assembly reshapes targeted protein degradation by coordinating modular degrader construction, delivery, functional integration, and intracellular assembly or activation across proteasomal, endosomal–lysosomal, and autophagy–lysosomal pathways.
Kongjun Liu +8 more
wiley +1 more source
Tunable Oxygen Connectivity in Carbaporphyrinoid Polymers on Metal Surfaces
Angewandte Chemie, EarlyView.Hydroxyl‐functionalized dicarbaporphyrinoid polymers synthesized on Au(111) enable tunable oxygen‐mediated connectivity under UHV conditions. Thermal activation yields one‐dimensional hydroxyl‐terminated polymers that can selectively evolve into either covalently‐linked dibenzo‐p‐dioxane architectures through intermolecular C–O–C coupling or two‐fold ...
Alberto Martínez‐Bajo +14 more
wiley +2 more sources
CONCRETO RECICLADO: ESTUDO E CARACTERIZAÇÃO DAS MATÉRIAS PRIMAS
Revista UniVap, 2017 Não é de hoje que a preocupação com o meio ambiente é assunto debatido em diversos setores de produção de materiais para a construção civil. Afinal, este é o setor que mais desperdiça na utilização dos recursos naturais.
Ivan Franco Portela +2 more
doaj +1 more source