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Symbol
Name
ID
H2-Aa
histocompatibility 2, class II antigen A, alpha
MGI:95895
Phenotype annotations related to hematopoietic system
Darker colors indicate more annotations
Human Phenotypes
Increased circulating IgA level
Increased circulating IgM level
Abnormality of blood and blood-forming tissues
Bleeding with minor or no trauma
Epistaxis
Gingival bleeding
Gastrointestinal hemorrhage
Hematemesis
Melena
Intracranial hemorrhage
Intraventricular hemorrhage
Joint hemorrhage
Muscle hemorrhage
Oral cavity bleeding
Persistent bleeding after trauma
Bruising susceptibility
Purpura
Petechiae
Spontaneous hematomas
Bone marrow hypocellularity
Pancytopenia
Aplastic anemia
Abnormal erythrocyte enzyme concentration or activity
Erythroid hyperplasia
Reticulocytosis
Anemia
Hemolytic anemia
Iron deficiency anemia
Leukocytosis
Leukopenia
Abnormal granulocyte morphology
Abnormal basophil morphology
Acute lymphoblastic leukemia
Ph-positive acute lymphoblastic leukemia
T-cell acute lymphoblastic leukemias
Chronic myelogenous leukemia
Myeloproliferative disorder
Arterial thrombosis
Thromboembolism
Venous thrombosis
Deep venous thrombosis
Mesenteric venous thrombosis
Reduced factor VIII activity
Prolonged partial thromboplastin time
Thrombocytopenia
Autoimmune thrombocytopenia
Thrombocytosis
Lymphoma
Gastric lymphoma
Elevated erythrocyte sedimentation rate
Asplenia
Splenic rupture
Splenomegaly
Disease(s) Associated with HLA-DQA1
acute lymphoblastic leukemia
antiphospholipid syndrome
aplastic anemia
autoimmune polyendocrine syndrome type 2
chronic myeloid leukemia
congenital toxoplasmosis
extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue
factor VIII deficiency
paroxysmal nocturnal hemoglobinuria
primary biliary cholangitis
rheumatoid arthritis

Mouse Phenotypes
enlarged thymus
thymus hyperplasia
decreased CD4-positive, alpha-beta T cell number
increased CD8-positive, alpha-beta T cell number
abnormal T cell morphology
abnormal MHC II cell surface expression on macrophages
abnormal splenocyte physiology
Availability Mouse Genotype
H2-Aab-tm1Blt/H2-Aab-tm1Blt

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory