Bare lymphocyte syndrome is a condition caused by mutations in certain genes of the major histocompatibility complex.

HLA antigens are generally missing in babies with bare lymphocyte syndrome.

David had bare lymphocyte syndrome, a rare immunodeficiency disorder that occurs for the most part among North Africans.

This category includes conditions such as bare lymphocyte syndrome, as well as severe combined immunodeficiency.

Mutations in this gene are responsible for the bare lymphocyte syndrome in which the immune system is severely compromised and cannot effectively fight infection.

Dr. Touraine said, however, that he could not ascertain that David had bare lymphocyte syndrome until David's mother, who did not want to be identified, was 20 weeks' pregnant.

One of these, bare lymphocyte syndrome I (BLS I), exhibits a number of similarities with DPB in those affected, including chronic sinusitis, bronchiolar inflammation and nodules, and the presence of H. influenzae.

The bare lymphocyte syndrome, type II (BLS II) is a rare recessive genetic condition in which a group of genes called major histocompatibility complex class II (MHC class II) are not expressed.