Summary
| Direction in PACVS | ↑ Elevated — higher than in the comparison group |
|---|---|
| Category | Molecular |
| Also described as | Vaccine-encoded spike signature |
| Compared against | Wild-type viral spike |
| Associated symptoms | Confirms vaccine-derived spike origin |
| Test type | Clinical or physiological test |
| Source | Sutton et al. 2023 — doi:10.1016/j.vaccine.2023.04.044 |
| Condition atlas | PACVS Biomarker Atlas |
Related Molecular markers in PACVS
Full list: PACVS Biomarker Atlas.
Frequently asked questions
Is 2P proteotypic peptides (K986P/V987P) high or low in PACVS?
Elevated. Studies summarised in the OSMF atlas report higher 2P proteotypic peptides (K986P/V987P) in PACVS than in Wild-type viral spike. Source: Sutton et al. 2023.
What symptoms is 2P proteotypic peptides (K986P/V987P) associated with in PACVS?
The cited literature associates this marker with Confirms vaccine-derived spike origin. These are population-level associations and do not mean the marker causes the symptoms.
Which test measures 2P proteotypic peptides (K986P/V987P)?
It is measured as a clinical or physiological test. Many of the cited studies used research-grade assays, so clinical availability may vary.
Is one abnormal 2P proteotypic peptides (K986P/V987P) result diagnostic of PACVS?
No. No single biomarker is diagnostic of PACVS. 2P proteotypic peptides (K986P/V987P) findings come from group comparisons, overlap considerably between patients and controls, and vary with study design, timing and comparison group. A result should be interpreted by a clinician alongside symptoms, history and other tests.
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Last reviewed: 2026-06-30 · Page generated from pacvs.json · Browse: PACVS atlas · Biomarker Index · All marker pages
Disclaimer: This page is an educational synthesis of published, peer-reviewed research and is not medical advice. Biomarker findings vary across studies with case definitions, comparison groups, timing and assay methods. Direction of change reflects the predominant finding in the cited source and does not establish a diagnostic threshold. Discuss any test result with a qualified clinician.