Review Article

Cutaneous and Mucosal Lichen Planus: A Comprehensive Review of Clinical Subtypes, Risk Factors, Diagnosis, and Prognosis

Table 6

Suggested gene polymorphisms that are associated with LP.

Gene polymorphism of immune-related genes

IFN gamma [147, 148]
TNF [149, 150]
TNF-α receptor 2 [151]
IL-4 (only nonerosive OLP) [147]
IL-6 [150]
Haplotype IV of IL-10 [152]
IL-18 [153]
Tumor suppressor genes (e.g., P53) [154, 155]
HLA-A3 (In a Swedish population with LP [156] and two British populations with LP [157] and with familial LP [158])
HLA-A5 (in a British population with LP [157])
HLA-B7 (in a British population with familial LP [158], another study supported against [159])
HLA-B8 (OLP) [2], a study supported against [159]
HLA-B15 (in a Croatian population with OLP) [160]
HLA-B18 inverse association with OLP in a Croatian population [160]
HLA-Bw35 (CLP) [2]
HLA-Bw57 (in a British population with OLP) [161]
HLA-BW61 (in a Japanese population with OLP) [162]
HLA-DR1 (in wide range of ethnicities) [163167], in a British population with CLP [167], in an Italian population with LP [168], and in an Arab population with CLP [166]
HLA-DRB1*0101 (in a Sardinian population in Italy with CLP [169] and also with LP in a Mexican Mestizo population [169] and in a British population with CLP [167]),
HLA-DR2 (in an Israeli-Jewish population with erosive OLP) [170],
HLA-DR3 (in a Swedish population with erosive OLP) [171]
HLA-DR9 (in Chinese population with erosive OLP) [172]
HLA-DRW9 (in a Japanese population with OLP) [162]
HLA-DR10 (in an Arab population with CLP) [166]
HLA-DQ1 (in a British population with CLP, [167] inverse association with OLP in a British population [161]
HLA-DQB1*0201 (with vulvovaginal-gingival syndrome in two British populations) [81, 173]
HLA-Te22 (in a Chinese population with erosive OLP) [172]; also it is highly associated with positive antinuclear antibodies in erosive OLP patients [174]
rs2372736, defined at the chromosome 3p14-3q13 [175]

Gene polymorphism of other genes

Oxidative stress [176179]
PGE2 [180]
Antithyroglobulin, antithyroid microsomal autoantibody, T3, T4 [181183]
Prothrombin [184]
Epigenetic-associated genes (DNMT3B) [185]
miRNA-146a [186] and miRNA-155 [186, 187]
Nuclear factor-kappa B p65 [188]

The ones in bold are considered more prevalent than the others.