Short-term delivery of anti-PlGF antibody delays progression of atherosclerotic plaques to vulnerable lesions.

Abstract:

AIMS:Placental growth factor (PlGF), a homologue of vascular endothelial growth factor, is a pleiotropic cytokine with a pro-inflammatory activity. Previous gene-inactivation studies revealed that the loss of PlGF delays atherosclerotic lesion development and inhibits macrophage infiltration, but the activity of an anti-PlGF antibody (alphaPlGF mAb) has not been evaluated yet. METHODS AND RESULTS:We characterized the potential of short-term delivery of alphaPlGF mAb in inhibiting lesion development in ApoE-deficient mice (apoE(-/-)) and in CD4:TGFbetaRII(DN) x apoE(-/-) mice, a more severe atherosclerosis model. Short-term treatment of alphaPlGF mAb reduces early atherosclerotic plaque size and inflammatory cell infiltration in the lesion. CONCLUSION:These pharmacological alphaPlGF mAb results confirm previous genetic evidence that inhibition of PlGF slows down early atherosclerotic lesion development. Furthermore, the phenocopy of genetic and pharmacological loss-of-function strategies underscores that alphaPlGF acts by selectively neutralizing PlGF.

journal_name

Cardiovasc Res

journal_title

Cardiovascular research

authors

Roncal C,Buysschaert I,Gerdes N,Georgiadou M,Ovchinnikova O,Fischer C,Stassen JM,Moons L,Collen D,De Bock K,Hansson GK,Carmeliet P

doi

10.1093/cvr/cvp380

subject

Has Abstract

pub_date

2010-04-01 00:00:00

pages

29-36

issue

1

eissn

0008-6363

issn

1755-3245

pii

cvp380

journal_volume

86

pub_type

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