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Psoriasis occuring in young monozygotic twins
1Department of Dermatology, Nagoya City University School of Medicine, Mizuho-cho, Mizuho-ku, Nagoya, Japan.
The Journal of Dermatology
|February 1, 1980
Summary
Genetic factors strongly influence psoriasis development, as shown in identical twins with similar disease patterns despite separate environments. This suggests a significant hereditary component in psoriasis onset and presentation.
Area of Science:
- Dermatology
- Genetics
- Immunology
Background:
- Psoriasis is a chronic inflammatory skin condition with complex etiology.
- Twin studies are crucial for dissecting genetic versus environmental contributions to diseases.
Observation:
- This report details a case of psoriasis in monozygotic twins.
- The twins exhibited similar psoriatic patterns and onset timing.
- They were raised in different living environments since birth.
Findings:
- Despite disparate environments, the concordance in psoriatic pattern and onset strongly suggests a significant genetic influence.
- However, the identified major histocompatibility antigens (A2, A11, Bw16) in these twins did not align with those previously reported as increased in Japanese psoriatic populations.
Implications:
- These findings highlight the potent role of genetics in psoriasis, even when environmental factors differ.
- Further research is needed to identify specific genetic markers associated with psoriasis susceptibility beyond known associations.
- Investigating diverse ethnic populations is essential for a comprehensive understanding of psoriasis genetics.