Clinical and experimental dermatology · 2019
Elevated serum tumour necrosis factor-like weak inducer of apoptosis in alopecia areata: a possible marker of disease severity.
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Sayed K, Mohammed F, Abdel Hay R, Ezzeldin N, Rashed L, Fahim A
Аннотация
BACKGROUND: Alopecia areata (AA) is, an organ-specific autoimmune disease, characterized by an aberrant expression of cytokines of the T helper 1 type. Tumour necrosis factor-like weak inducer of apoptosis (TWEAK) is a multifactorial cytokine that exerts a role in the pathogenesis of inflammatory and autoimmune diseases, especially in cutaneous diseases.
AIM: To estimate the serum level of TWEAK in AA and to correlate it with different parameters.
METHODS: This case-control study enrolled 40 patients with AA and 50 clinically healthy volunteers matched for age and sex. A blood sample (5 mL) was extracted from each participant for analysis of serum TWEAK levels by ELISA.
RESULTS: Levels of TWEAK were significantly higher in patients with AA (mean ± SD 213.7 ± 59.2 pg/mL, range 109.1-341.6 pg/mL) than in controls (95.97 ± 13.28 pg/mL, range 80.1-152.3 pg/mL) (P < 0.001). A significant positive correlation was found between serum TWEAK level and the Severity of Alopecia Tool (SALT) score (r = 0.56, P < 0.001).
CONCLUSION: To our knowledge, this study highlights for the first time a possible link between higher serum TWEAK level and AA. Serum TWEAK level appears to reflect AA disease severity.
AIM: To estimate the serum level of TWEAK in AA and to correlate it with different parameters.
METHODS: This case-control study enrolled 40 patients with AA and 50 clinically healthy volunteers matched for age and sex. A blood sample (5 mL) was extracted from each participant for analysis of serum TWEAK levels by ELISA.
RESULTS: Levels of TWEAK were significantly higher in patients with AA (mean ± SD 213.7 ± 59.2 pg/mL, range 109.1-341.6 pg/mL) than in controls (95.97 ± 13.28 pg/mL, range 80.1-152.3 pg/mL) (P < 0.001). A significant positive correlation was found between serum TWEAK level and the Severity of Alopecia Tool (SALT) score (r = 0.56, P < 0.001).
CONCLUSION: To our knowledge, this study highlights for the first time a possible link between higher serum TWEAK level and AA. Serum TWEAK level appears to reflect AA disease severity.