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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 ...
Alpha-1 antitrypsin deficiency (A1AD or AATD) is a genetic disorder that may result in lung disease or liver disease. [1] Onset of lung problems is typically between 20 and 50 years of age. [ 1 ] This may result in shortness of breath , wheezing , or an increased risk of lung infections .
Aldolase A deficiency is an autosomal recessive [3] metabolic disorder resulting in a deficiency of the enzyme aldolase A; the enzyme is found predominantly in red blood cells and muscle tissue. The deficiency may lead to hemolytic anaemia as well as myopathy associated with exercise intolerance and rhabdomyolysis in some cases.
Because of the normal aldosterone level, hypertension is not expected. Normal cortisol level can be explained by the strong negative feedback mechanism of cortisol on hypothalamus-pituitary axis system. That is, in the beginning, 17,20-lyase deficiency will block synthesis of sex steroid hormones, forcing the pathways to produce more cortisol.
Deficiency in GlcNAc-1-P transferase causes DPAGT1-CDG (CDG-Ij) [14] Loss of the first mannosyltransferase causes ALG1-CDG (CDG-Ik) [15] Loss of the second mannosyltransferase (adds Man II and III) causes ALG2-CDG (CDG-Ii). [16] Loss of the third mannosyltransferase (adds Man IV and V) causes ALG11-CDG (CDG-Ip) [17]
Galactosialidosis, also known as neuraminidase deficiency with beta-galactosidase deficiency, is a genetic lysosomal storage disease. [2] It is caused by a mutation in the CTSA gene which leads to a deficiency of enzymes β-galactosidase and neuraminidase.
The differential diagnosis for elevated galactose concentrations in blood on a newborn screening result can include other disorders of galactose metabolism, including galactokinase deficiency and galactose epimerase deficiency. Enzyme assays are commonly done using fluorometric detection or older radioactively labeled substrates. [citation needed]
The symptoms of Leydig cell hypoplasia include pseudohermaphroditism, i.e., feminized, ambiguous, or relatively mildly underdeveloped (e.g., micropenis, severe hypospadias, [6] and/or cryptorchidism [undescended testes]) external genitalia, a female gender identity or gender variance, hypergonadotropic hypogonadism (hypogonadism despite high levels of gonadotropins), delayed, impaired, or ...