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Idiopathic CD4+ lymphocytopenia (ICL) is a rare medical syndrome in which the body has too few CD4 + T lymphocytes, which are a kind of white blood cell. [2] ICL is sometimes characterized as "HIV-negative AIDS", though, in fact, its clinical presentation differs somewhat from that seen with HIV/AIDS. [ 3 ]
A congenital disorder of glycosylation (previously called carbohydrate-deficient glycoprotein syndrome) is one of several rare inborn errors of metabolism in which glycosylation of a variety of tissue proteins and/or lipids is deficient or defective. Congenital disorders of glycosylation are sometimes known as CDG syndromes.
Image of CD4 co-receptor binding to MHC (Major Histocompatibility Complex) non-polymorphic region. In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein that serves as a co-receptor for the T-cell receptor (TCR). CD4 is found on the surface of immune cells such as helper T cells, monocytes, macrophages, and dendritic cells.
Carbohydrate-deficient Glycoprotein Syndrome (CDGS) Type Ia, Congenital Disorder of Glycosylation (CDG) Type Ia,Phosphomannomutase Deficiency [1],Jaeken Syndrome, PMM2-CDG , CDG1a PMM2 protein PMM2 deficiency or PMM2-CDG , previously CDG-Ia , is a very rare genetic disorder caused by mutations in PMM2 .
The depletion of CD4 T cells and the development of chronic inflammation are signature processes in HIV pathogenesis that propel progression to acquired immune deficiency syndrome (AIDS). CD4 T cell depleted to the cell count of less than 200cell/μL in blood during AIDS allows various pathogens to escape T cell recognition, thus allowing ...
[205] [209] A 60-year longitudinal population study conducted in Norway found that those with MS had a life expectancy seven years shorter than the general population. Median life expectancy for RRMS patients was 77.8 years and 71.4 years for PPMS, compared to 81.8 years for the general population.
The genetic cause of Bare lymphocyte syndrome type II is due to mutations in any of the following genes: [5]. CIITA is responsible for giving instructions to create a protein that controls transcription of genes (MHC class II), and is located at 16p13.13 (cytogenetic location), [6]
Autoimmune lymphoproliferative syndrome (ALPS) is a form of lymphoproliferative disorder (LPDs). It affects lymphocyte apoptosis. [2]It is a rare genetic disorder of abnormal lymphocyte survival caused by defective Fas mediated apoptosis. [3]