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Study identifies pathway responsible for blood-brain barrier impairment in Alzheimer’s
The team found that the expression of the APOE4 gene variant in pericytes caused amyloid plaque formation in a blood-brain barrier model.
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Protein Expression
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Researchers find microglia are key to protecting brain from viral infection
The team found microglia and CD8 T cells were vital to protecting neurons from vesicular stomatitis virus (VSV) infection and suggest loss of taste and smell in COVID-19 could be due to a certain mechanism of infection.
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Seeing the light – visualising protein translation in real time
Non-invasive imaging has played an increasing role in drug discovery and development processes. Nikki Withers spoke with Yochi Slonim, who discusses a novel technology that leverages FRET signals for the discovery of small molecule drugs that selectively control mRNA translation in a novel target space.
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Novel complement inhibitor improves ischemic stroke recovery in mice, say researchers
Administering a novel complement protein blocker (B4Crry) alongside reperfusion therapy improved cognitive and motor recovery in a model of ischemic stroke.
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Mapping SARS-CoV-2 infection in the airway
Researchers found there is a gradient of SARS-CoV-2 infectivity down the airway and that the severe pneumonia symptoms may be caused by aspiration of oral contents into the lungs.
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Selectively increased Dnmt3a2 protein expression improves memory recall
Researchers found increasing levels of Dnmt3a2 in neurons activated at the time of making a memory, improved its recall in mice.
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SARS-CoV-2 mouse model recapitulates human infection
Researchers develop a knock-in mouse expressing human angiotensin-converting enzyme 2 (hACE2) to model SARS-CoV-2 infection for research and therapeutic or vaccine testing.
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Imaging In-Depth Focus 2020
The articles in this in-depth focus discuss the difficulties in deciding what information to capture when imaging three-dimensional (3D) cell models and the use of non-invasive imaging techniques to discover small molecule drugs to control protein translation.
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Protective immunity to SARS-CoV-2 shown in non-human primates
Macaques were protected against SARS-CoV-2 infection both after an initial infection and vaccination with a prototype vaccine, researchers suggest humans could respond similarly.
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Novel antibody slows cancer growth and metastasis in mice
The antibody targets a cell receptor in blood vessels and slowed breast and lung cancer growth as well as metastasis in murine models.
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Cell types enabling initial COVID-19 infection identified by researchers
An international group of researchers has revealed that goblet and ciliated cells in the nose have high levels of the entry proteins for the SARS-CoV-2 coronavirus.
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Hyperferritinaemia could be causing severe COVID-19
Professor Yehuda Shoenfeld suggests hyperferritinaemia, a condition caused by high ferritin levels, may be causing the severe COVID-19 symptoms.
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COVID-19 research indicates SARS-CoV-2 exploits immune defences to drive infection
A new study has revealed that less than 10 percent of respiratory and intestinal cells are susceptible to SARS-CoV-2 infection and expression of ACE2 receptors is driven by the body's immune response.
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Novel gene promoters could improve gene therapies for neurological diseases
Novel promoters based on those in the herpes viruses, enabled delivery of larger genes and increased the period they were active in the nervous system.
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Plant bio-factories contributing to the COVID-19 fight
Researchers have made the genome of the Nicotiana benthamiana plant, a commonly used bio-factory organism, public to aid in COVID-19 vaccine production.