Basic information of HLA-DQA1 :

Official Symbol of Gene	HLA-DQA1
Species	Homo sapiens
Entrez Gene ID	3117
Official Full Name	major histocompatibility complex, class II, DQ alpha 1
Also known as	DQA1; DQ-A1; CELIAC1; HLA-DQA; HLA-DQB1; HLA-DQA1*
Gene Type	protein coding
dbXrefs	Ensembl:ENSG00000196735 MIM:146880; AllianceGenome:HGNC:4942
Map Location	6p21.32
Variation Type	polymorphisms
refSNP ID	*0102

Sample information of multiple sclerosis:

Detected Sample	blood
Sample Detail	Peripheral blood
Detected Method	N/A
Disease	MS
Disease subtype	MSr, MSc, MSb, MSU
Population	Sardinian
Sample Size	116 MSU patients, 67 of whom had a relapsing-remitting form (MSr), 28 of whom had a chronic progressive from-the-onset form(MSc), and 21 of whom had a benign form (MSb), 32 patients with MSR, 19 parents and 27 healthy siblings of patients with MSR, and 86 controls

Literature information of multiple sclerosis :

Pubmed ID	8442703
Year	1993
Title	Role of predisposing and protective HLA-DQA and HLA-DQB alleles in Sardinian multiple sclerosis

Results of multiple sclerosis :

Risk Type	Disease risk
Main Result	Positive
Result	TheDQA1 *0301 allele was found to be increased in patients, while the DQA1 *0102 allele was found to be diminished in patients with MSr vs controls(Pc=.001 ).
Mechanism/Pathway	N/A