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No treatment is available for most of these disorders. Mannose supplementation relieves the symptoms in MPI-CDG for the most part, [39] even though the hepatic fibrosis may persist. [40] Fucose supplementation has had a partial effect on some SLC35C1-CDG patients. [41]
PMM2 deficiency or PMM2-CDG, previously CDG-Ia, is a very rare genetic disorder caused by mutations in PMM2. It is an autosomal recessive disease that is the most common type of congenital disorder of glycosylation or CDG. [2] PMM2-CDG is the most common of a growing family of more than 130 extremely rare inherited metabolic disorders. [3]
ALG1-CDG is an autosomal recessive congenital disorder of glycosylation caused by biallelic pathogenic variants in ALG1. The first cases of ALG1-CDG were described in 2004, and the causative gene was identified at the same time. This disorder was originally designated CDG-IK, under earlier nomenclature for congenital disorders of glycosylation. [1]
[1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals. Because most people are not diagnostically trained or knowledgeable, they typically describe their symptoms in layman's terms, rather than using specific medical terminology. This list is not exhaustive.
An immune system disorder but not an autoimmune disease. IPEX syndrome: A genetic mutation in FOXP3 that leads to autoimmune diseases, but not an autoimmune disorder itself. Ligneous conjunctivitis: No consistent evidence of association with autoimmunity. Majeed syndrome: No consistent evidence of association with autoimmunity. Narcolepsy
Inflammatory demyelinating diseases (IDDs), sometimes called Idiopathic (IIDDs) due to the unknown etiology of some of them, are a heterogenous group of demyelinating diseases - conditions that cause damage to myelin, the protective sheath of nerve fibers - that occur against the background of an acute or chronic inflammatory process.
Chronic granulomatous disease (CGD), also known as Bridges–Good syndrome, chronic granulomatous disorder, and Quie syndrome, [1] is a diverse group of hereditary diseases in which certain cells of the immune system have difficulty forming the reactive oxygen compounds (most importantly the superoxide radical due to defective phagocyte NADPH oxidase) used to kill certain ingested pathogens. [2]
The other two disorders are neonatal adrenoleukodystrophy (NALD), and infantile Refsum disease (IRD). [5] [6] Although all have a similar molecular basis for disease, Zellweger syndrome is the most severe of these three disorders. [7] Zellweger syndrome is associated with impaired neuronal migration, neuronal positioning, and brain development. [4]