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Terminal complement pathway deficiency is a genetic condition affecting the complement membrane attack complex (MAC). It involves deficiencies of C5, C6, C7, and C8. (While C9 is part of the MAC, and deficiencies have been identified, [1] it is not required for cell lysis. [2]) People with this condition are prone to meningococcal infection. [3]
Maroteaux–Lamy syndrome, or Mucopolysaccharidosis Type VI (MPS-VI), is an inherited disease caused by a deficiency in the enzyme arylsulfatase B (ARSB). [3] ASRB is responsible for the breakdown of large sugar molecules called glycosaminoglycans (GAGs, also known as mucopolysaccharides).
LPIN2, D18S60. Synonyms: Majeed syndrome. Complement component 2 deficiency: Possibly symptomatic of autoimmune diseases, but not a disease. Congenital heart block: May be related to autoimmune activity in the mother. Contact dermatitis: A hypersensitivity. Cushing's syndrome: No consistent evidence of association with autoimmunity.
Over time, however, the deficiency commonly progresses to include thrombocytopenia, increases susceptibility to infections due to, e.g. atypical mycobacteria or human papillomavirus, dysfunction of non-hematological organs, the myelodysplastic syndrome, and/or a leukemia, particularly acute myelogenous leukemia.
Coenzyme Q 10 deficiency is a deficiency of coenzyme Q 10. It can be associated with COQ2 , APTX , PDSS2 , PDSS1 , CABC1 , and COQ9 . [ 1 ] Some forms may be more treatable than other mitochondrial diseases .
CD55 deficiency, also called DAF deficiency or CHAPLE syndrome, is a rare genetic disorder of the immune system. CHAPLE stands for "CD55 deficiency with hyper-activation of complement, angiopathic thrombosis, and severe protein-losing enteropathy (PLE)." [1] The disorder usually manifests in childhood and can be life-threatening. This condition ...
Methylenetetrahydrofolate reductase deficiency is the most common genetic cause of elevated serum levels of homocysteine (hyperhomocysteinemia). It is caused by genetic defects in MTHFR, which is an important enzyme in the methyl cycle. [1] Common variants of MTHFR deficiency are asymptomatic and have only minor effects on disease risk. [2]
PI3kinase. The pathophysiology of activated PI3K delta syndrome has several aspects. [2] The normal function has P110δ (PI3K) involved in immune system regulation. [9]P110δ effect is not limited to the immune system; P110δ has a presence in transformed epithelial cells and cell adhesion molecules (airway inflammation), and research has been done on the possibility of P110δ in the nervous ...