eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
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SCImago Journal & Country Rank
3/2021
vol. 38
 
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abstract:
Original paper

Comparison of tyrosinase antibody, tyrosinase-related protein-1 and -2 antibodies, melanin-concentrating hormone receptor antibody levels with autologous serum skin test and autologous plasma skin test results in patients with vitiligo

Abdullah Unal
1
,
Hatice Uce Ozkol
2
,
Yasemin Bayram
3
,
Necmettin Akdeniz
4

1.
Abdullah Unal Private Dermatology Clinics, Istanbul, Turkey
2.
Department of Dermatology, Faculty of Medicine, Yuzuncu Yil University, Van, Turkey
3.
Department of Microbiology, Faculty of Medicine, Yuzuncu Yil University, Van, Turkey
4.
Department of Dermatology, Faculty of Medicine, Medeniyet University, Istanbul, Turkey
Adv Dermatol Allergol 2021; XXXVIII (3): 473–479
Online publish date: 2020/02/25
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Introduction
Although the exact etiopathogenesis of vitiligo is unknown, the autoimmunity hypothesis is much in evidence. The autologous serum skin test (ASST) and autologous plasma skin test (APST) are in vivo methods used in the diagnosis of some autoimmune diseases, which are easy and inexpensive to perform.

Aim
In this study, we investigated whether or not ASST and APST could determine autoimmunity in patients with vitiligo.

Material and methods
In this study, 30 vitiligo patients presenting to the dermatology outpatient clinic and 30 healthy volunteers without any known autoimmune diseases were included. Antibodies such as tyrosinase, tyrosinase-related protein-1 (TYRP1), tyrosinase-related protein-2 (TYRP2) and melanin-concentrating hormone receptor 1 (MCHR1) antibodies determined to be associated with vitiligo were examined. In addition, the association of these antibodies with the positivity of ASST and APST, which were suggested to be associated with autoimmunity, were examined.

Results
In our study, tyrosinase antibody was found to be significantly higher in vitiligo patients. ASST was positive in 12 (40%) patients with vitiligo and 8 (26.6%) control subjects. APST was positive in 8 (26.6%) of the patients with vitiligo and in 2 (6.6%) of the controls, and there was a significant difference between the groups in terms of APST positivity (p = 0.032). In addition, in our study, a significant correlation was found between TYRP1 antibody positivity and APST positivity in the patient group (p = 0.005).

Conclusions
These findings suggest that we may use APST to investigate the autoimmune etiopathogenesis of vitiligo.

keywords:

vitiligo, autoimmunity, antibodies, autologous serum skin test

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