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208211 Ensembl ENSG00000033011 ENSMUSG00000039427 UniProt Q9BT22 Q921Q3 RefSeq (mRNA) NM_019109 NM_001330504 NM_145362 RefSeq (protein) NP_001317433 NP_061982 NP_663337 Location (UCSC) Chr 16: 5.03 – 5.09 Mb Chr 16: 5.05 – 5.06 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Chitobiosyldiphosphodolichol beta-mannosyltransferase is an enzyme that is encoded by ALG1 whose structure ...
This enzyme is responsible for the interconversion of mannose-6-phosphate and mannose-1-phosphate, and its deficiency leads to a shortage in GDP-mannose and dolichol (Dol)-mannose (Man), two donors required for the synthesis of the lipid-linked oligosaccharide precursor of N-linked glycosylation.
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]
The score of the QoL-AGHDA is used to determine the extent to which growth hormone deficiency has affected the patient’s quality of life, and what treatment can then be administered. A high score on the QoL-AGHDA indicates that the patient suffers from many symptoms and therefore has a lower quality of life.
There are a variety of rare diseases that resemble GH deficiency, including the childhood growth failure, facial appearance, delayed bone age, and low insulin-like growth factor-1 (IGF-1) levels. However, GH testing elicits normal or high levels of GH in the blood, demonstrating that the problem is not due to a deficiency of GH but rather to a ...
Saposin B Deficiency is very rare, much more rare than traditional MLD. [4] The enzyme that is present is not "enabled" to a normal level of efficiency and can't break down the sulfatides which results in all of the same MLD symptoms and progression. [6] A 2011 study contended sulfatide is not completely responsible for MLD because it is non-toxic.
GSD Ia is caused by a deficiency in the enzyme glucose-6-phosphatase; GSD Ib, a deficiency in the transport protein glucose-6-phosphate translocase. Because glycogenolysis is the principal metabolic mechanism by which the liver supplies glucose to the body during fasting , both deficiencies cause severe hypoglycemia and, over time, excess ...
More specifically, optimal levels are generally close to a central tendency of the values found in the population. However, usual and optimal levels may differ substantially, most notably among vitamins and blood lipids, so these tables give limits on both standard and optimal (or target) ranges.