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Negative association between schizophrenia and rheumatoid arthritis
S Vinogradov1, I I Gottesman, H W Moises
1Dept. of Psychiatry, Pacific Presbyterian Medical Center, San Francisco, CA 94115.
Schizophrenia Bulletin
|January 1, 1991
Summary
People with rheumatoid arthritis appear less likely to develop schizophrenia, suggesting a protective link. This review explores immunological, biochemical, and genetic factors potentially explaining this inverse relationship.
Area of Science:
- Immunology
- Neuroscience
- Genetics
Background:
- Growing evidence indicates a negative association between rheumatoid arthritis (RA) and schizophrenia (SCZ) at the population level.
- Previous explanations have considered immunological, biochemical, and genetic factors.
Purpose of the Study:
- To examine the factors contributing to the inverse relationship between RA and SCZ.
- To propose molecular-level hypotheses for this phenomenon.
Main Methods:
- Review of existing literature on RA and SCZ.
- Analysis of immunological, biochemical, and genetic data.
- Formulation of molecular hypotheses.
Main Results:
- The association between RA and SCZ is consistently negative across populations.
- Multiple factors, including immune dysregulation and genetic predispositions, are implicated.
- Specific molecular mechanisms linking the two conditions are proposed.
Conclusions:
- The negative association between RA and SCZ is supported by substantial evidence.
- Further research into molecular mechanisms, including candidate genes and anti-genes, is warranted.
- Proposed hypotheses may guide future investigations into SCZ pathogenesis.