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Article
The clathrin adaptor Numb regulates intestinal cholesterol absorption through dynamic interaction with NPC1L1
Bao-Liang Song and colleagues report that the clathrin adaptor Numb recognizes a peptide motif within the cholesterol transporter NPC1L1 upon cholesterol binding and thus facilitates dietary cholesterol uptake...
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Article
Mycobacterium tuberculosis suppresses innate immunity by coopting the host ubiquitin system
PtpA is a secreted mycobacterial protein and virulence factor. Liu and colleagues demonstrate that PtpA suppresses signaling by cells of the innate immune system by coopting the activity of host ubiquitin.
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Article
Peripheral TREM1 responses to brain and intestinal immunogens amplify stroke severity
Stroke is a multiphasic process in which initial cerebral ischemia is followed by secondary injury from immune responses to ischemic brain components. Here we demonstrate that peripheral CD11b+CD45+ myeloid cells...
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Article
Antibody responses to SARS-CoV-2 in patients with COVID-19
We report acute antibody responses to SARS-CoV-2 in 285 patients with COVID-19. Within 19 days after symptom onset, 100% of patients tested positive for antiviral immunoglobulin-G (IgG). Seroconversion for IgG...
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Article
IL-2 regulates tumor-reactive CD8+ T cell exhaustion by activating the aryl hydrocarbon receptor
CD8+ T cell exhaustion dampens antitumor immunity. Although several transcription factors have been identified that regulate T cell exhaustion, the molecular mechanisms by which CD8+ T cells are triggered to ente...