HPO
Db Link Name Definition Comment Is a
HPO HP:0005365 Severe B lymphocytopenia "A severe form of B lymphocytopenia in which the count of B cells is very low or absent." [HPO:probinson] HP:0010976
HPO HP:0005366 Recurrent streptococcus pneumoniae infections "Increased susceptibility to streptococcus pneumoniae infections as manifested by a history of recurrent infections by streptococcus pneumoniae." [HPO:probinson] HP:0002205, HP:0020096
HPO HP:0005368 Abnormality of humoral immunity "An abnormality of the humoral immune system, which comprises antibodies produced by B cells as well as the complement system." [HPO:probinson] HP:0010978
HPO HP:0005369 Decreased serum complement factor H "A reduced level of the complement component Factor H in circulation." [https://emedicine.medscape.com/article/135478-overview] HP:0004431
HPO HP:0005372 Abnormality of B cell physiology "An abnormality of the physiological functioning of B cells." [HPO:probinson] This term refers to any abnormality of the B cells, which play a role in the humoral immune response. The main functions of B cells are to produce antibodies, to perform the role of antigen presenting cells, and to develop into memory cells. HP:0031409
HPO HP:0005374 Cellular immunodeficiency "An immunodeficiency characterized by defective cell-mediated immunity or humoral immunity." [http://www.dictionary.com/browse/cellular-immunodeficiency] HP:0002721
HPO HP:0005375 obsolete Partial cellular immunodeficiency
HPO HP:0005376 Recurrent Haemophilus influenzae infections "Increased susceptibility to Haemophilus influenzae infections as manifested by recurrent episodes of infection by Haemophilus influenzae." [HPO:probinson] HP:0005420
HPO HP:0005379 obsolete Severe T lymphocytopenia
HPO HP:0005381 Recurrent meningococcal disease "Recurrent infections by Neisseria meningitidis (one of the most common causes of bacterial meningitis), which is also known as meningococcus." [HPO:curators] HP:0005430
HPO HP:0005384 Defective B cell activation "A reduced ability of a B cell to become activated, i.e., the change in morphology and behavior of" [GOC:mgi_curators, ISBN:0781735149] HP:0005372
HPO HP:0005386 Recurrent protozoan infections "Increased susceptibility to protozoan infections, as manifested by recurrent episodes of protozoan infection." [HPO:probinson] HP:0002719
HPO HP:0005387 Combined immunodeficiency "A group of phenotypically heterogeneous genetic disorders characterized by profound deficiencies of T- and B-cell function, which predispose the patients to both infectious and noninfectious complications." [PMID:23321211] HP:0002721
HPO HP:0005389 Depletion of components of the alternative complement pathway "An abnormal reduction in the components of the alternative complement pathway, such as the C3 protein or its cleavage products." [https://en.wikipedia.org/wiki/Alternative_complement_pathway] HP:0005482
HPO HP:0005390 Recurrent opportunistic infections "Increased susceptibility to opportunistic infections, as manifested by recurrent episodes of infection by opportunistic agents, i.e., by microorganisms that do not usually cause disease in a healthy host, but are able to infect a host with a compromised immune system." [HPO:probinson] HP:0002719, HP:0031690
HPO HP:0005396 Susceptibility to coronavirus 229e "Increased susceptibility to coronavirus 229e, as manifested by recurrent episodes of coronavirus 229e." [] HP:0004429
HPO HP:0005397 obsolete Exaggerated cellular immune processes
HPO HP:0005400 Reduction of neutrophil motility "An abnormal reduction of the cell motility of neutrophils." [HPO:probinson] HP:0011990
HPO HP:0005401 Recurrent candida infections "An increased susceptibility to candida infections, as manifested by a history of recurrent episodes of candida infections." [HPO:probinson] HP:0002841
HPO HP:0005402 obsolete Primary T-lymphocyte immune abnormalities
HPO HP:0005403 T lymphocytopenia "An abnormally low count of T cells." [HPO:probinson] HP:0001888, HP:0011839
HPO HP:0005404 Increased B cell count "An abnormal increase from the normal count of B cells." [HPO:probinson] HP:0010975, HP:0100827
HPO HP:0005406 Recurrent bacterial skin infections "Increased susceptibility to bacterial infections of the skin, as manifested by recurrent episodes of infectious dermatitis." [HPO:probinson] Infectious dermatitis may manifest as impetigo, multiple purulent blisters, erythema, lymphadenopathy near the site of infection. HP:0001581, HP:0002718
HPO HP:0005407 Decreased proportion of CD4-positive helper T cells "A decreased proportion of circulating CD4-positive helper T cells relative to total T cell count." [HPO:probinson] HP:0005403, HP:0032218, HP:0500267
HPO HP:0005409 obsolete Markedly reduced T cell function