Title

Structure and putative function of a murine epididymal retinoic acid-binding protein (mE-RABP).

Document Type

Article

Publication Date

1-1-1998

Abstract

Vitamin A is required to maintain the epididymal epithelium. In this report, the characterization and putative functions of a murine epididymal retinoic acid-binding protein (mE-RABP) that is secreted into the lumen from the mid-/distal caput epididymidis are discussed. The amino acid sequence analysis of the mE-RABP preprotein shows that mE-RABP is the mouse orthologue of the rat epididymal secretory protein I (ESPI). These proteins belong to the lipocalin superfamily and bind to active retinoids but not to retinol. Therefore, we propose that mE-RABP may function as an extracellular retinoid carrier-protein involved in the paracrine regulation of epididymal function by retinoids.

Publication Source (Journal or Book title)

Journal of reproduction and fertility. Supplement

First Page

59

Last Page

65

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