The multiple pathways to autoimmunity.
Level 5 - mechanism / opinion, no new human data
Narrative review discussing immunological mechanisms without primary empirical data or systematic review methodology
PubMed 28632714 · doi:10.1038/ni.3731
What was done
This is a narrative review summarizing literature on immune tolerance mechanisms and the pathways contributing to systemic and organ-specific autoimmune diseases.
What was found
The abstract reports no numerical data, sample sizes, or quantitative findings. It conceptually notes that breakdown in peripheral tolerance is more commonly implicated in disease than defects in central tolerance, and that initial triggers likely involve innate sensor recognition of self or foreign molecules (specifically nucleic acids) leading to inflammatory responses and activation of autoreactive T and B cells.
Why it matters
Provides a high-level mechanistic overview highlighting innate nucleic acid sensing and peripheral tolerance failure as core commonalities in autoimmune pathogenesis.
Limits
As a narrative review, it presents no primary experimental or clinical data, no quantitative metrics, and does not report a systematic search strategy.
Cited by
- supports Autoimmune diseases result when self-reactive T cells escape thymic negative selection and secondary peripheral tolerance mechanisms fail, leading to immune attack on specific host tissues like joint targets in rheumatoid arthritis, pancreatic insulin-producing cells in type 1 diabetes, or myelin in multiple sclerosis.