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For children less than three years of age, the normal range is broader, 2.9–5.5 g/dL. [ 10 ] Low albumin ( hypoalbuminemia ) may be caused by liver disease , nephrotic syndrome , burns, protein-losing enteropathy , malabsorption , malnutrition , late pregnancy, artefact, genetic variations and malignancy.
Serum albumin, often referred to simply as blood albumin, is an albumin (a type of globular protein) found in vertebrate blood. Human serum albumin is encoded by the ALB gene . [ 2 ] [ 3 ] [ 4 ] Other mammalian forms, such as bovine serum albumin , are chemically similar.
Albumin is a family of globular proteins, the most common of which are the serum albumins. All of the proteins of the albumin family are water-soluble, moderately soluble in concentrated salt solutions, and experience heat denaturation. Albumins are commonly found in blood plasma and differ from other blood proteins in that they are not ...
Due to the mutations in the albumin gene, an abnormal albumin protein binds thyroid hormones with a high affinity than normal. [4] This explains why those with familial dysalbuminemic hyperthyroxinemia have increased T4 levels and normal TSH levels. [4] The structural formula of thyroxine (T4).
The most common indications for a serum protein electrophoresis test are to diagnose or monitor multiple myeloma, a monoclonal gammopathy of uncertain significance (MGUS), or further investigate a discrepancy between a low albumin and a relatively high total protein.
Albumin levels are decreased in chronic liver disease, such as cirrhosis. It is also decreased in nephrotic syndrome, where it is lost through the urine. The consequence of low albumin can be edema since the intravascular oncotic pressure becomes lower than the extravascular space. An alternative to albumin measurement is prealbumin, which is ...
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The level of albumin protein produced by microalbuminuria can be detected by special albumin-specific urine dipsticks, which have a lower detection threshold than standard urine dipsticks. A microalbumin urine test determines the presence of the albumin in urine. In a properly functioning body, albumin is not normally present in urine because ...