Document Detail

Association of HLA-DQA1 and DQB1 alleles with keloids in Chinese Hans.
MedLine Citation:
PMID:  18562179     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Some studies have suggested that human HLA status might potentiate development of keloids phenotype, and exists ethnic differences. No report has been published about HLA-DQA1 and DQB1 alleles associated with keloids in Chinese Hans. OBJECTIVES: To investigate whether HLA-DQA1 and DQB1 alleles are associated with genetic susceptibility to keloids in Chinese Hans. METHODS: Polymerase chain reaction-sequence-specific primer (PCR-SSP) method was used to analyze the distribution of HLA-DQA1 and DQB1 alleles among 192 patients with keloids and 273 healthy controls in Chinese Hans. RESULTS: (1) The frequencies of HLA-DQA1*0104, DQB1*0501 and DQB1*0503 (OR = 2.13, P(c) = 0.0063; OR = 14.42, P(c) < 10(-7) and OR = 6.09, P(c) < 10(-7), respectively) were significantly higher, while the frequencies of DQA1*0501, DQB1*0201 and DQB1*0402 (OR = 0.46, P(c) = 0.0099; OR = 0.24, P(c) < 10(-4) and OR = 0.10, P(c)=0.0054, respectively) were lower in patients than in controls. (2) In this study significant susceptibility haplotypes to keloids were DQA1*0104-DQB1*0501 and DQA1*0104-DQB1*0503. (3) HLA-DQB1*0501 and DQB1*0503 were positively associated with all subgroups of keloid patients. However, the DQA1*0104 (OR = 2.51, P(c) = 0.0009; OR = 2.22, P(c) = 0.0090 and OR = 2.20, P(c) = 0.0117, respectively) was only prevalent in keloid patients with single site, moderate severity and negative family history. (4) HLA-DQB1*0201 (OR = 0.27, P(c) = 0.0018 and OR = 0.27, P(c) = 0.0012, respectively) and DQB1*0402 (OR = 0.07, P(c) = 0.0270 and OR = 0.07, P(c) = 0.0306, respectively) were negatively associated with moderate severity and negative family history in keloids, moreover, HLA-DQB1*0201 (OR = 0.23, P(c) = 0.0003) and DQA1*0501 (OR = 0.43, P(c) = 0.0234) were less prevalent in patients with single site. CONCLUSION: This study demonstrated the positive association of HLA-DQA1 and DQB1 alleles and haplotypes with keloids.
Wen-Sheng Lu; Jian-Feng Wang; Sen Yang; Feng-Li Xiao; Cheng Quan; Hui Cheng; Pei-Guang Wang; An-Ping Zhang; Li-Qiong Cai; Xue-Jun Zhang
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-06-17
Journal Detail:
Title:  Journal of dermatological science     Volume:  52     ISSN:  0923-1811     ISO Abbreviation:  J. Dermatol. Sci.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-09-15     Completed Date:  2008-11-06     Revised Date:  2010-10-15    
Medline Journal Info:
Nlm Unique ID:  9011485     Medline TA:  J Dermatol Sci     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  108-17     Citation Subset:  IM    
Institute of Dermatology and Department of Dermatology, The First Hospital, Anhui Medical University, Hefei, Anhui, China.
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MeSH Terms
Asian Continental Ancestry Group / ethnology,  genetics*
Case-Control Studies
Gene Frequency
Genetic Predisposition to Disease / ethnology,  genetics
HLA-DQ Antigens / genetics*
Keloid / ethnology*,  genetics*
Severity of Illness Index
Reg. No./Substance:
0/HLA-DQ Antigens; 0/HLA-DQA1; 0/HLA-DQB1 antigen

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