Results 81 to 90 of about 634,291 (234)

Canonical Antibodies Adopt Distinct Binding Modes to Recognize Viral Glycan Shields

open access: yesAdvanced Science, EarlyView.
Canonical Y‐shaped antibodies recognize viral glycan shields through adaptive Fab assembly states shaped by glycan organization and somatic hypermutation. Structural analyses ofbroadly neutralizing antibodies VRC35 and VRC36 across glycoproteins of HIV‐1, influenza, SARS‐CoV‐2, and Lassa viruses reveal distinct Fab assembly states, spanning monovalent,
Jiaxuan Cheng   +71 more
wiley   +1 more source

Switching Spike Plasticity Shapes ACE2 Engagement Across SARS‐CoV‐2 Variants

open access: yesAdvanced Science, EarlyView.
Conformational plasticity governs SARS‐CoV‐2 spike function and ACE2 recognition. Using high‐speed AFM and single‐molecule force spectroscopy, we analyzed the ancestral spike and nine variants, revealing progressive rigidification from Delta, variable plasticity in Omicron sublineages, and JN.1 compaction.
Sarah Stainer   +17 more
wiley   +1 more source

POLÍTICAS MUNDIAIS DE SAÚDE NA PANDEMIA DO NOVO CORONAVÍRUS [PDF]

open access: yes, 2020
Com o início da pandemia do novo coronavírus (SARS-CoV-2), responsável pela Covid-19, surgiu em várias regiões do mundo uma grande preocupação diante de uma doença que se disseminou rapidamente para os países.
Oliveira, Maria Francisca da Rocha   +1 more
core   +1 more source

Decoding Viral Transmission Dynamics in Structured Populations Using a Microfluidic Herd‐Immunity‐on‐a‐Chip Platform

open access: yesAdvanced Science, EarlyView.
A microfluidic Herd‐Immunity‐on‐a‐Chip experimentally recreates structured contact networks to quantify viral transmission dynamics. By controlling susceptible, infected, and non‐susceptible populations, the platform reveals how contact topology governs the reproduction number, outbreak propagation, herd‐immunity–like behavior, and intervention ...
Jiande Zhang   +6 more
wiley   +1 more source

CIVILIZAÇÃO NA ENCRUZILHADA: GLOBALIZAÇÃO PERVERSA, DESIGUALDADES SOCIOESPACIAIS E PANDEMIA

open access: yesRevista Tamoios, 2020
Interrogo o período da globalização a partir das iniquidades que tem promovido em todo o mundo, com especial atenção para a periferia do sistema, e o seu ocaso com a chegada da pandemia do Covid19.
Márcio Cataia
doaj   +1 more source

An Engineered HR1‐Stem Helix‐HR2 Trimeric Platform for Developing Broad‐Spectrum Coronavirus Vaccines

open access: yesAdvanced Science, EarlyView.
Sun et al. report a self‐assembling trimeric subunit vaccine platform termed RHS, which integrates the JN.1 receptor‐binding domain (RBD) with the heptad repeat 1 (HR1), stem helix (SH), and heptad repeat 2 (HR2) regions. The SARS‐CoV‐2 RHS vaccine elicits variant‐reactive RBD‐specific antibodies and cross‐reactive SH‐specific antibodies against ...
Xikui Sun   +18 more
wiley   +1 more source

Desigualdades raciais e Coronavírus: máscara para todos

open access: yes, 2020
Para esta reflexão nos baseamos em notícias publicadas em alguns portais de notícias brasileiros e internacionais. O nosso foco recai sobre notícias envolvendo coronavírus (COVID-19) e as relações étnico-raciais (população negra/afrodescendente).
Silva, Marcos Antonio Batista da
core  

Niche‐Mediated Neural Priming Enables Robust and Scalable Generation of Human Choroid Plexus Organoids

open access: yesAdvanced Science, EarlyView.
Compared to E8, mTeSR1 culture downregulated WNT and TGF‑β signaling, and upregulated neural differentiation pathways, enhancing neural priming. Under skin organoid induction conditions, mTeSR1‑cultured hESCs generated organoids with significantly higher neuroepithelial differentiation.
Zhongliang Chen   +7 more
wiley   +1 more source

Stop Coronavírus - por que lavar as mãos?

open access: yes, 2020
No intuito de partilharmos conhecimentos com relação ao novo coronavírus (SARS-CoV-2) e a doença, COVID-19, lançamos hoje a nova série intitulada STOP CORONAVÍRUS.

core   +1 more source

A RELAÇÃO ENTRE O TABAGISMO E O NOVO CORONAVÍRUS: uma revisão integrativa

open access: yes, 2020
RESUMO O objetivo foi avaliar os desfechos clínicos de pacientes fumantes acometidos com o novo coronavírus, COVID-19, quando comparados com pacientes não fumantes.
Guilherme Lages Matias   +6 more
core  

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