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Functional olfactory impairment and fatigue in post-COVID-19 syndrome including ME/CFS – a longitudinal prospective observational study Lil Meyer-Arndt, Greta Pierchalla, Lukas Mödl, Felix Wohlrab, Franziska Legler, Uta Hoppmann, Claudia Kedor, Kirsten Wittke, Helma Freitag, Frank Konietschke...

I'm not sure if I'm not fully understanding, but I don't see the reason to be so pessimistic about finding variants. So say we have evidence that a second X chromosome greatly increases risk. Ok, where do we go from there? How do you figure out which gene on X? There's a good chance, although...

You might be speaking in general about the dozens of tests they ran, but for the most significant findings like increased macrophages and microglia and for the behavioral tests, I don't think false positives are too much of a concern because it looks like they replicated these when they did the...

Competing Interest Statement Funding Statement

Urinary Peptidomic Profiling in Post-Acute Sequelae of SARS-CoV-2 Infection: A Case-Control Study Dilara Guelmez, Justyna Siwy, Katharina Kurz, Ralph Wendt, Miroslaw Banasik, Bjorn Peters, Emmanuel Dudoignon, Francois Depret, Mercede Salgueira, Elena Nowacki, Amelie Kurnikowski, Sebastian...

Though if I understood this thread's study correctly, male mice with two X chromosomes (which presumably don't have ovaries) still had the post-acute changes in behavior (figure 7N posted by jnmaciuch above). Edit: So maybe it's presence of any gonads at all, and testes in males can also...

From the discussion, they mention another study that found sex differences in phenotypes after a coronavirus (not SARS-CoV-2) infection: 65 is Neuropsychiatric sequelae in an experimental model of post-COVID syndrome in mice, 2025, Pimenta et al (link to thread) From the abstract of that...

Neuropsychiatric sequelae in an experimental model of post-COVID syndrome in mice Highlights • MHV-A59 inoculation induces a self-limited lung disease that mimics acute COVID-19. • MHV-A59 infection emulates Post-COVID neuropsychiatric symptoms in female mice. • Neuropsychiatric...

RETRACTION: Causal Relationship Between Diet, Lipids, Immune Cells, and Chronic Fatigue Syndrome: A Two-Mediation Mendelian Randomization Study [Line breaks added] Abstract RETRACTION: J. Li, Q. Qin, Y. Zhu, Y. Qian, J. Yin, X. Gao, H. Wen and P. Wang, “ Causal Relationship Between...

Corticosteroids with low glucocorticoid activity as a potential therapeutic strategy for post‐COVID‐19 myalgic encephalomyelitis/chronic fatigue syndrome in patients with bipolar affective disorder: A case report Kan Nakajima, Nobutaka Ayani, Teruyuki Matsuoka, Kenya Kasahara, Yoshiyuki...

See thread about an upcoming Canadian conference: Canadian Collaborative Conference on ME, November 4-6 2025

Thread for a Teclistimab study: BCMA T-Cell Engager Therapy in Patients with Refractory Autoimmune Disease 2025 Bucci et al.

Early-onset autoimmune vitiligo associated with an enhancer variant haplotype that upregulates class II HLA expression Ying Jin, Genevieve H. L. Roberts, Tracey M. Ferrara, Songtao Ben, Nanja van Geel, Albert Wolkerstorfer, Khaled Ezzedine, Janet Siebert, Charles P. Neff, Brent E. Palmer...

I would think upregulating receptors related to learning would happen in specific locations in the brain relevant to learning, but figure 2B seems to show that AMPAR density was increased pretty much everywhere in this study. Would be good to know in what regions learning increases AMPAR...

Some posts about chronic traumatic encephalopathy have been moved to: Traumatic brain injury - similarities with and differences to ME/CFS, including PEM

I may be wrong about the motivation for IOM being specifically clinical use and CCC being research use, that's just what I recall people saying. But it does look like the IOM criteria is what the CDC in the US recommends for diagnosis. There's also the even newer NICE criteria, which as far as...

The newer IOM criteria, that I gather is supposed to be more appropriate for clinical diagnosis, and less related to ensuring homogenous research groups, doesn't say there are any excluding diagnoses, as far as I'm aware. Just a collection of symptoms - if you have them, you have ME/CFS.

What do you mean by "facilitation"? I was wondering about what prevents allowing unlimited viewers to watch (if the video streaming license allows) but not interact at all, and can't think of how that would make things harder. I suppose maybe they want to allow some questions from online...

I think it'd be helpful to the author and others to say why it's wrong, or at least to link to a correct definition.

Several posts about an upcoming MRC meeting have been moved to: MRC/NIHR DecodeME Showcase meeting online and in person Nov 6th