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retinol binding protein 4, plasma
Synonyms RDCCAS
Species Human (5950) , Species Mouse (19662) , Species Rat (25703) , Species fruit fly (41668) , Species Zebrafish (30077) , Species chicken (396166) , Species Horse (100049790) , Species domestic cat (101094377) , Species dog (477775) , Species cow (281444) , Species sheep (101105458) , Species domestic guinea pig (100725967) , Species naked mole-rat (101701666) , Species Domestic Rabbit (100009161)
Summary: This protein belongs to the lipocalin family and is the specific carrier for retinol (vitamin A alcohol) in the blood. It delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP-retinol complex interacts with transthyretin which prevents its loss by filtration through the kidney glomeruli. A deficiency of vitamin A blocks secretion of the binding protein posttranslationally and results in defective delivery and supply to the epidermal cells. [provided by RefSeq, Jul 2008]