Conditions / Genetic

immunodeficiency 22

info ยท Genetic

A severe combined immunodeficiency characterized by severe combined immunodeficiency, selective CD4 lymphopenia, and lack of CD28 expression on CD8+ T cells that has_material_basis_in homozygous or compound heterozygous mutation in the LCK gene on chromosome 1

A severe combined immunodeficiency characterized by severe combined immunodeficiency, selective CD4 lymphopenia, and lack of CD28 expression on CD8+ T cells that has_material_basis_in homozygous or compound heterozygous mutation in the LCK gene on chromosome 1p35.2.

Signs and symptoms

  • Autoimmunity
  • Retinal vasculitis
  • Decreased circulating IgE concentration
  • Recurrent lower respiratory tract infections
  • Protracted diarrhea
  • Decreased total CD4+ T cell proportion
  • Failure to thrive
  • Anemia
  • Pericarditis
  • Fever

Also known as: IMD22; SCID due to LCK deficiency; SCID due to lymphocyte-specific protein tyrosine kinase deficiency; severe combined immunodeficiency due to LCK deficiency; severe combined immunodeficiency due to lymphocyte-specific protein tyrosine kinase deficiency