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Background

A significant association of certain human leukocyte antigens (HLA) and haplotypic pairs with oral submucous fibrosis (OSF) has been reported. However, controversial result of no HLA association with OSF has also been reported. In this study, the phenotype and haplotype frequencies of HLA-A, -B, -C, -DRB1, and -DQB1 in 135 Taiwanese OSF patients were calculated and compared with those in 540 healthy control Taiwanese.

Methods

The analysis of HLA-A, -B, and -C antigens, and of HLA-DRB1 and -DQB1 alleles in OSF patients and healthy control subjects, was performed by serologic typing and DNA typing using polymerase chain reaction with sequence-specific primers (PCR-SSP), respectively.

Results

We found that the phenotype frequency of HLA-B76 (3.0%) in OSF patients was significantly greater than that (0%) in healthy control subjects (corrected P (Pc) = 0.000). In addition, the haplotype frequencies of HLA-B48/Cw7 (3.0%), -B51/Cw7 (6.7%), and -B62/Cw7 (8.2%) in OSF patients were significantly greater than the corresponding haplotype frequencies (0, 0.7, and 1.9%, respectively) in healthy control subjects (Pc = 0.000). The relative risk (RR) values of haplotypes B51/Cw7 (9.57) and B62/Cw7 (4.7) were greater than the RR values of phenotypes B51 (1.81), B62 (2.31), and Cw7 (1.91) in OSF patients. In addition, the etiologic fraction (EF) value of haplotype B51/Cw7 (0.63) was higher than the EF values of phenotypes B51 (0.2) and Cw7 (0.59).

Conclusions

We conclude that some Taiwanese areca quid (AQ) chewers with particular HLA phenotypes and haplotypes are prone to have OSF. In addition, some particular HLA haplotypes may play more important roles than the individual HLA phenotypes for the genetic susceptibility to OSF. However, the significantly increased HLA phenotype B76 and three of the common HLA haplotypes detected are present in only about 20% of incident cases of OSF."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.org/dc/terms/identifier"doi:10.1111/j.0904-2512.2004.00195.x"xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Yang H."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Chen H.M."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Chiang C.P."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Hsieh R.P."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Kuo M.Y."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/author"Kuo Y.S."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/date"2004"xsd:gYear
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/name"J Oral Pathol Med"xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/pages"191-199"xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/title"HLA typing in Taiwanese patients with oral submucous fibrosis."xsd:string
http://purl.uniprot.org/citations/15061705http://purl.uniprot.org/core/volume"33"xsd:string
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