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Endothelial cell-specific membrane protein involved in the formation of the diaphragms that bridge endothelial fenestrae. It is also required for the formation of stomata of caveolae and transendothelial channels. Functions in microvascular permeability, endothelial fenestrae contributing to the passage of water and solutes and regulating transcellular versus paracellular flow in different organs. Plays a specific role in embryonic development.
Gene References into Functions
PV-1 transcription was markedly induced in diabetic retina and by VEGF in retinal endothelial cells PMID: 19284967
Expression of plasmalemma vesicle-associated protein (PLVAP) is increased in endothelial cells in the presence of VEGF PMID: 22200486
In Kimba and Akimba mice fluorescein leakage was associated with focal angiogenesis and correlated significantly with Plvap gene expression. PMID: 24703908
Plasmalemma vesicle-associated protein has a role in vascular permeability PMID: 26878208
The molecule recognized by PAL-E and anti-PV-1 antibodies is not NRP-1 but PV-1. PMID: 22627768
These results suggest that PV1 protein is able to block SV40 infectivity at low but not at high viral concentration either by interfering with the infective internalization pathway at the cell surface or at a post internalization step. PMID: 21827737
Case Report: Suggest activated platelets, enhanced coagulation state, glomerular expression of PV-1 and endothelial damage may contribute to glomerulonephropathy associated with polycythemia vera. PMID: 20979949
PV1 is a key structural component, necessary for the biogenesis of the stomatal and fenestral diaphragms. PMID: 15155804
Plasmalemmal vesicle associated protein-1 has a role in brain tumor angiogenesis PMID: 16278383
leukocyte transendothelial migration is the first known function for PV-1 PMID: 19420356
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Subcellular Location
Cell membrane; Single-pass type II membrane protein. Membrane, caveola; Single-pass type II membrane protein. Cytoplasm, perinuclear region.
Tissue Specificity
Expressed in lung, kidney, heart, aorta, placenta, muscle, pituitary gland, adrenals, mammary gland, bladder, lymph node, bone marrow, trachea, digestive tract, liver and tumor-associated endothelium.