I-Aαk transgene Pairs with I-Aβb gene and protects C57BL10 mice from developing autoimmune myasthenia gravis

Premkumar Christadoss, Chella S. David, Steve Keve

Research output: Contribution to journalArticle

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Abstract

The I-Aβ gene has been implicated in the pathogenesis of experimental autoimmune myasthenia gravis (EAMG), with amino acids at positions 67, 70, and 71 of the I-Aβb chain that play a crucial role. In addition, the cell surface expression of the I-E molecule in C57BL10.Eαk transgenic mice was associated with the partially suppressed serum anti-acetylcholine receptor antibody and clinical expression of EAMG. In this study, the contribution of the I-Aα gene and the Aβb:Aαk transpair in EAMG pathogenesis is assessed. The I-Aαk transgene was introduced into the B10 (Aβb:Aαb) strain, and the I-Aαk chain was paired with I-Aβb; therefore, the Aβb:Aαk complex was expressed on the cell surface. Expression of the Aβb:Aαk transpair in C57BL10 transgenic mice suppressed the cellular and humoral autoimmune responses to acetylcholine receptors (AChR), reduced the amount of muscle AChR bound with antibody, and significantly reduced the incidence of muscle weakness and its associated abnormal electrophysiological response.

Original languageEnglish (US)
Pages (from-to)235-239
Number of pages5
JournalClinical Immunology and Immunopathology
Volume62
Issue number2
DOIs
StatePublished - 1992

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Autoimmune Experimental Myasthenia Gravis
Myasthenia Gravis
Cholinergic Receptors
Transgenes
Transgenic Mice
Genes
Antibodies
Muscle Weakness
Autoimmunity
Amino Acids
Muscles
Incidence
Serum

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Pathology and Forensic Medicine

Cite this

I-Aαk transgene Pairs with I-Aβb gene and protects C57BL10 mice from developing autoimmune myasthenia gravis. / Christadoss, Premkumar; David, Chella S.; Keve, Steve.

In: Clinical Immunology and Immunopathology, Vol. 62, No. 2, 1992, p. 235-239.

Research output: Contribution to journalArticle

Christadoss, Premkumar ; David, Chella S. ; Keve, Steve. / I-Aαk transgene Pairs with I-Aβb gene and protects C57BL10 mice from developing autoimmune myasthenia gravis. In: Clinical Immunology and Immunopathology. 1992 ; Vol. 62, No. 2. pp. 235-239.
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