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#immunology

6 posts3 participants0 posts today
AJ's got a new blog post! Some highlights:
"a Nature Immunology study from January 2024 "Long COVID manifests with T cell dysregulation, inflammation and an uncoordinated adaptive immune response to SARS-CoV-2" reveals further harm through T cell dysregulation in long COVID patients. The research identified increased frequencies of exhausted SARS-CoV-2-specific CD8+ T cells, alongside CD4+ T cells primed for inflammation, and a lack of coordination between T and B cell responses."
"a paper in JCI insight showing T cell exhaustion to other infections following a covid infection"
"a Nature Immunology study from January 2022 "Immunological dysfunction persists for 8 months following initial mild-to-moderate SARS-CoV-2 infection" shows that COVID-19 leads to a prolonged reduction in naive T cells (both CD4+ and CD8+) in individuals with long COVID, persisting up to eight months post-infection."
"Such a long-term impact on the naive T cell pool is not a standard feature of recovery from other acute viral infections like influenza, [...] This effect may not completely persist, however, what it represents is sloughing of the T cells."
A study published in Immunity found "Even after vaccination, those with a history of COVID-19 showed weaker and less functional CD8+ T cell responses, a phenomenon likened to the immune damage seen in chronic viral infections like hepatitis C or HIV. This attenuation indicates that SARS-CoV-2 inflicts a lasting impairment on CD8+ T cell effector function"
from https://www.easychair.info/p/5-years-later-covid-still-harms-t #AirborneAware #CovidCompetent #COVIDIsNotOver #COVID #COVID19 #SARSCoV2 #immunology #LongCOVID
Easy Chair · 5 Years later, Covid still Harms T cellsBy Anthony J Leonardi, MBBS, PhD

A double-PhD byline from STAT's immunology expert Jonathan Wosen and ...me:

What if we could read your diseases from your immune cells? A new machine learning technique brings such a diagnostic, especially aimed at autoimmune disease, closer to reality:

More @STAT
statnews.com/2025/02/20/machin

STAT · A newly developed machine learning-based test could diagnose autoimmune diseases fasterA new machine learning based test diagnosed Covid-19, HIV, flu, lupus, and Type-1 diabetes by studying immune cells.