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Abstract
Background
Vitiligo is an acquired autoimmune skin disorder. The often-visible lesions of vitiligo have a major impact on patients’ quality of life and the results of the treatment regimens on offer are unsatisfactory, so there is a need for new therapeutic regimens. Recent advances in vitiligo pathogenesis have led to recognition of the importance of the JAK–STAT pathway as an attractive therapeutic option.
Purpose
To evaluate role of JAK1 and STAT3 in vitiligo.
Methods
This prospective case–control study was carried out on 35 patients presenting with vitiligo and 20 apparently healthy age- and sex-matched volunteers. Skin biopsies from controls and cases were taken for histopathological and immunohistochemical JAK1 and STAT3 evaluation.
Results
Epidermal and dermal overexpression of STAT3 was noted in lesional skin compared to the other groups (P=0.02 and P<0.001, respectively). There was a positive correlation between dermal expression of JAK1 and dermal expression of STAT3 (r=0.52, P=0.004).
Conclusion
In conjunction, JAK1 and STAT3 might be involved in the pathogenesis of vitiligo. This could open the gate for the use of JAK1 and STAT3 inhibitors as new targeted therapy for vitiligo.
Keywords:
Disclosure
The authors report no conflicts of interest in this work.