A new function for the LH/CG receptor: transcytosis of hormone across the endothelial barrier in target organs.

Abstract:

:Gonadotropins cross the vascular endothelial barrier to reach their target organs. Hormone concentrations in blood are very low and fluctuate rapidly to give sharp biological effects. Nonspecific transendothelial transport mechanisms are slow and markedly concentration dependent. There is thus a need for specific transendothelial transport mechanisms for these hormones. We will describe a specific transcytosis mechanism involving endothelial lutropin/chorionic gonadotropin (LH/CG) receptors identical to those observed in the target Leydig cells. A new role for the LH/CG receptor as a transcytotic carrier of its ligands in endothelial cells is suggested.

journal_name

Semin Reprod Med

authors

Ghinea N,Milgrom E

doi

10.1055/s-2001-13916

keywords:

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

97-101

issue

1

eissn

1526-8004

issn

1526-4564

journal_volume

19

pub_type

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