Etiology

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S1 spike protein

S1 spike found 15 months post COVID infection
S1 spike found post vaccination

Both long COVID and vaccine injury seem to be very similar conditions due to similarities in symptoms and how patients respond to the same treatments. There are various theories as to why ‘long haul’ occurs in both groups. One theory is that the S1 subunit of the spike protein is the root cause. Bruce Patterson, a former Stanford researcher, led a team that found persistent S1 spike protein in non-classical monocyte (CD14+ CD16+) cells up to 15 months after initial infection.

There are two possibilities as to why spike proteins persist in non-classical monocytes.

  • The monocytes are immortal or near-immortal. They do not die in 7 days like typical non-classical monocytes.
  • The S1 spike protein is like a ‘bone’ that the body cannot break down. It is passed on from monocyte to monocyte.


References:

S1 spike protein causing vascular inflammation

According to this theory, persistent S1 spike protein leads to non-classical monocytes provoking vascular inflammation. That vascular inflammation is somehow able to drive the diverse range of symptoms that long haulers experience.

  • Drugs like statins interrupt the fractalkine/CX3CR1 pathway, disrupting nonclassical monocytes from sticking to the walls of blood vessels and engaging in pro-inflammatory behavior.
  • Various drugs may affect the survival of non-classical monocytes or have been shown to affect monocyte repolarization in vitro: statins, melatonin, omega-3 fatty acids, vitamin C, vitamin D.

Bruce Patterson’s company, IncellDX, produces a test kit that measures various inflammatory markers. Various cytokine levels are elevated in long haul patients.

  • CCR5 antagonists like maraviroc and the experimental drug leronlimab may counteract the elevated levels of CCL4/RANTES found in many (but not all) long haulers. Cytodyn’s study of leronlimab on long haul did not reach statistical significance. Nonetheless, the company claims “positive preliminary results”.

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