HLA Class II Transgenic Mice Mimic Human Inflammatory Diseases

Ashutosh K. Mangalam, Govindarajan Rajagopalan, Veena D Taneja, Chella S. David

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Population studies have shown that among all the genetic factors linked with autoimmune disease development, MHC class II genes on chromosome 6 accounts for majority of familial clustering in the common autoimmune diseases. Despite the highly polymorphic nature of HLA class II genes, majority of autoimmune diseases are linked to a limited set of class II-DR or -DQ alleles. Thus a more detailed study of these HLA-DR and -DQ alleles were needed to understand their role in genetic predisposition and pathogenesis of autoimmune diseases. Although in vitro studies using class-II restricted CD4 T cells and purified class II molecules have helped us in understanding some aspects of HLA class-II association with disease, it is difficult to study the role of class II genes in vivo because of heterogeneity of human population, complexity of MHC, and strong linkage disequilibrium among different class II genes. To overcome this problem, we pioneered the generation of HLA-class II transgenic mice to study role of these molecule in inflammatory disease. These HLA class II transgenic mice were used to develop novel in vivo disease model for common autoimmune diseases such as rheumatoid arthritis, multiple sclerosis, insulin-dependent diabetes mellitus, myasthenia gravis, celiac disease, autoimmune relapsing polychondritis, autoimmune myocarditis, thyroiditis, uveitis, as well as other inflammatory disease such as allergy, tuberculosis and toxic shock syndrome. As the T-cell repertoire in these humanized HLA transgenic mice are shaped by human class II molecules, they show the same HLA restriction as humans, implicate potential triggering mechanism and autoantigens, and identify similar antigenic epitopes seen in human. This review describes the value of these humanized transgenic mice in deciphering role of HLA class II molecules in immunopathogenesis of inflammatory diseases.

Original languageEnglish (US)
Pages (from-to)65-147
Number of pages83
JournalAdvances in Immunology
Volume97
DOIs
StatePublished - 2008

Fingerprint

MHC Class II Genes
Transgenic Mice
Autoimmune Diseases
Alleles
Relapsing Polychondritis
HLA-DQ Antigens
T-Lymphocytes
Autoimmune Thyroiditis
Chromosomes, Human, Pair 6
Myasthenia Gravis
Uveitis
Linkage Disequilibrium
Myocarditis
Autoantigens
Celiac Disease
HLA-DR Antigens
Population Characteristics
Genetic Predisposition to Disease
Septic Shock
Type 1 Diabetes Mellitus

ASJC Scopus subject areas

  • Immunology

Cite this

HLA Class II Transgenic Mice Mimic Human Inflammatory Diseases. / Mangalam, Ashutosh K.; Rajagopalan, Govindarajan; Taneja, Veena D; David, Chella S.

In: Advances in Immunology, Vol. 97, 2008, p. 65-147.

Research output: Contribution to journalArticle

Mangalam, Ashutosh K. ; Rajagopalan, Govindarajan ; Taneja, Veena D ; David, Chella S. / HLA Class II Transgenic Mice Mimic Human Inflammatory Diseases. In: Advances in Immunology. 2008 ; Vol. 97. pp. 65-147.
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