Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population

Denisse Stephania Becerra-Loaiza; Luis Antonio Ochoa-Ramírez; Jesús Salvador Velarde-Félix; Jorge Guillermo Sánchez-Zazueta; Antonio Quintero-Ramos

doi:10.5114/ada.2023.127642

eISSN: 2299-0046
ISSN: 1642-395X

Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii

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abstract:

Original paper

Association of the HLA-G rs66554220 variant with non-segmental vitiligo and its clinical features in Northwestern Mexico population

Denisse Stephania Becerra-Loaiza

^{1, 2}

,

Luis Antonio Ochoa-Ramírez

³

,

Jesús Salvador Velarde-Félix

^{3, 4}

,

Jorge Guillermo Sánchez-Zazueta

⁴

,

Antonio Quintero-Ramos

^{1, 2}

Doctorado en Genética Humana, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, México
Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, México
Centro de Medicina Genómica, Hospital General de Culiacán “Bernardo J. Gastélum”, Culiacán, México
Cuerpo Académico Inmunogenética y Evolución, UAS-CA-265, Facultad de Biología, Universidad Autónoma de Sinaloa, Culiacán, México

Adv Dermatol Allergol 2023; XL (2): 246-252

DOI: https://doi.org/10.5114/ada.2023.127642

Online publish date: 2023/05/31

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AMA

Becerra-Loaiza D, Ochoa-Ramírez L, Velarde-Félix J, Sánchez-Zazueta J, Quintero-Ramos A. Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population. Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii. 2023;40(2):246-252. doi:10.5114/ada.2023.127642.

APA

Becerra-Loaiza, D., Ochoa-Ramírez, L., Velarde-Félix, J., Sánchez-Zazueta, J.,  & Quintero-Ramos, A. (2023). Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population. Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 40(2), 246-252. https://doi.org/10.5114/ada.2023.127642

Chicago

Becerra-Loaiza, Denisse Stephania, Luis Antonio Ochoa-Ramírez, Jesús Salvador Velarde-Félix, Jorge Guillermo Sánchez-Zazueta,  and Antonio Quintero-Ramos. 2023. "Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population". Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii 40 (2): 246-252. doi:10.5114/ada.2023.127642.

Harvard

Becerra-Loaiza, D., Ochoa-Ramírez, L., Velarde-Félix, J., Sánchez-Zazueta, J.,  and Quintero-Ramos, A. (2023). Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population. Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 40(2), pp.246-252. https://doi.org/10.5114/ada.2023.127642

MLA

Becerra-Loaiza, Denisse Stephania et al. "Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population." Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, vol. 40, no. 2, 2023, pp. 246-252. doi:10.5114/ada.2023.127642.

Vancouver

Becerra-Loaiza D, Ochoa-Ramírez L, Velarde-Félix J, Sánchez-Zazueta J, Quintero-Ramos A. Association of the HLA-G rs66554220 variant with
non-segmental vitiligo and its clinical features
in Northwestern Mexico population. Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii. 2023;40(2):246-252. doi:10.5114/ada.2023.127642.

Introduction:
The HLA-G molecule functions as a critical immunomodulatory checkpoint, its expression is significantly associated with pathological processes that may be responsible in part for autoimmune conditions such as non-segmental vitiligo (NS-V), characterized by chronic skin depigmentation. In this sense, the rs66554220 (14 bp ID) variant located in the 3’UTR, implicated in the regulation of HLA-G production, is associated with autoimmune diseases.

Aim:
To evaluate the role of the HLA-G rs66554220 variant in NS-V and its clinical features in Northwestern Mexicans.

Material and methods:
We genotyped the rs66554220 variant by SSP-PCR in 197 NS-V patients and 198 age-sex matched non-related healthy individuals (HI).

Results:
Del allele and genotype Del/Ins were the most prevalent in both study groups (NS-V/HI = 56%/55% and 46.70%/46.46%, respectively). Despite lacking association between the variant and NS-V, we found an association of the Ins allele in different inheritance models with familial clustering, onset of the illness, universal clinical subtype and Koebner’s phenomenon.

Conclusions:
The rs66554220 (14 bp ID) variant is not a risk factor for NS-V in the Mexican population studied. To our knowledge, this is the first report about the topic in the Mexican population and worldwide that includes clinical features related with this HLA-G genetic variant.

keywords:

Association of the HLA-G rs66554220 variant with non-segmental vitiligo and its clinical features in Northwestern Mexico population

Denisse Stephania Becerra-Loaiza 1, 2 , Luis Antonio Ochoa-Ramírez 3 , Jesús Salvador Velarde-Félix 3, 4 , Jorge Guillermo Sánchez-Zazueta 4 , Antonio Quintero-Ramos 1, 2

vitiligo, Mexican population, HLA-G 14 bp, rs66554220, Del/Ins

Denisse Stephania Becerra-Loaiza

^{1, 2}

,

Luis Antonio Ochoa-Ramírez

³

,

Jesús Salvador Velarde-Félix

^{3, 4}

,

Jorge Guillermo Sánchez-Zazueta

⁴

,

Antonio Quintero-Ramos

^{1, 2}