Harry Spoelstra@HarrySpoelstra
Tissue-specific autoantibody signatures reveal immune alterations undetected by routine serology in long COVID
🚨83% of long COVID patients have rogue autoantibodies attacking their own heart, lungs & blood vessels, and every standard blood test misses it completely. VERY INTERESTING!
➡️In a UNIQUE Hungarian cohort of 114 long COVID patients versus 36 pre-pandemic controls, tissue-specific Western blotting detected autoantibodies in 83% of cases, with strong cardiovascular dominance,
➡️Vascular autoreactivity was markedly higher in long COVID (34% vs. 8%, p<0.05), cardiac (54%) and pulmonary (34%) signals trended elevated but did not reach significance( cohort size?),
➡️Autoantibodies were predominantly IgM-skewed, polyreactive (up to 8 bands per patient), and persisted longitudinally (mean 141 days), with new isotypes emerging over time,
➡️Standard ANA testing showed no group differences and zero clinical correlations, rendering it useless for detecting these alterations,
➡️Cardiac autoreactivity associated with hypertension and headache, overall autoreactivity correlated with anosmia/ageusia, female sex, CRP, BMI, creatinine, and troponin levels,
➡️The study used human cardiac, pulmonary, and vascular tissue homogenates.
➡️Findings were independent of routine serology and highlight an under-recognized immune component invisible to current diagnostics.
➡️“This persistent, IgM-skewed profile suggests ongoing immune dysregulation and may reflect a previously underrecognized component of the immunological response in long COVID, highlighting the need for targeted immunodiagnostic approaches beyond routine serology.”
‼️Why this is shocking:
It proves that in 83% of long COVID patients, the immune system is actively producing autoantibodies that directly target their own heart, lung, and especially blood-vessel tissues, yet every standard blood test (ANA HEp-2) comes back normal.
These rogue antibodies are polyreactive, IgM-dominant, persist for months, and keep evolving.
They correlate with real symptoms (anosmia, hypertension, headache) and lab markers of damage (troponin, CRP).
‼️In other words:
The majority of long COVID sufferers have smouldering, organ-specific autoimmunity that is completely invisible to routine diagnostics. Doctors are flying blind while patients’ tissues are quietly under autoimmune attack.
🤔As far as I know, this is the first direct evidence of hidden, cardiovascular-dominant tissue autoimmunity driving the chronic L0ngC0vid phase! #BookMark
#AvoidSars2 #AvoidReinfections
link.springer.com/article/10.100…
