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Muscarinic receptor autoantibodies: biomarker evidence

Muscarinic receptor autoantibodies appears in 1 entry of the OSMF biomarker atlas, covering Gulf War Illness. Across those entries it is elevated in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

Gulf War Illness

Where Muscarinic receptor autoantibodies is reported

Also listed as: Cholinergic autoAbs

ConditionDirectionCompared againstAssociated symptomsSource
Gulf War Illness↑ elevatedhealthy Gulf War veteran controlsAutonomic, GI symptomsGean et al. 2021

Frequently asked questions

In which conditions is Muscarinic receptor autoantibodies altered?

In the OSMF atlas Muscarinic receptor autoantibodies is reported in Gulf War Illness. It is elevated in 1 across 1 entries.

Is there a standard clinical test for Muscarinic receptor autoantibodies?

The atlas entries for Muscarinic receptor autoantibodies do not carry a LOINC code, which usually means the marker was measured with research assays or study-specific methods rather than a routine clinical panel.

Is one abnormal Muscarinic receptor autoantibodies result diagnostic?

No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.

Cite this page

Open Source Medicine Foundation. (2026). Muscarinic receptor autoantibodies across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/muscarinic-receptor-autoantibodies.html
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Last reviewed: 2026-06-29 · Browse: Biomarker Index · All marker pages · Biomarker Atlas

Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.