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Elevated serum leptin levels in nonobese patients with psoriasis
Dalia G Aly1, Ihab Y Abdallah, Noha S Hanafy
1Department of Dermatology and Venereology, National Research Center, Giza, Egypt.
Journal of Drugs in Dermatology : JDD
|February 5, 2013
Summary
Serum leptin levels are elevated in nonobese patients with psoriasis and other skin diseases, suggesting leptin may contribute to skin disease development even without obesity. This highlights leptin
Area of Science:
- Immunology
- Dermatology
- Endocrinology
Background:
- Leptin, an adipocyte-derived hormone, exhibits immunological effects akin to proinflammatory cytokines.
- The link between serum leptin, psoriasis, and obesity remains debated.
- Limited research explores leptin's role in non-psoriatic skin conditions.
Purpose of the Study:
- To investigate the association between serum leptin levels and psoriasis in nonobese individuals.
- To evaluate serum leptin levels in patients with other skin diseases.
- To explore leptin's potential role in skin disease pathogenesis beyond obesity.
Main Methods:
- Study included 80 participants: 40 with psoriasis, 20 with other skin diseases, and 20 healthy controls.
- All participants were nonobese.
- Fasting serum leptin levels were quantified using sandwich enzyme-linked immunosorbent assay (ELISA).
Main Results:
- Elevated serum leptin levels were observed in nonobese patients with psoriasis (P=.004) and other skin diseases (P=.05).
- Leptin levels did not correlate with the Psoriasis Area and Severity Index (PASI) score.
- Female patients with other skin diseases had higher serum leptin than males in the same group.
Conclusions:
- Leptin may be implicated in the immunopathogenesis of psoriasis and other skin diseases.
- This role is evident even when obesity is not a contributing factor.
- Further research is warranted to elucidate leptin's specific mechanisms in skin inflammation.
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