PVF2, a PDGF/VEGF-like growth factor, induces hemocyte proliferation in Drosophila larvae.

Abstract:

:Blood cells play a crucial role in both morphogenetic and immunological processes in Drosophila, yet the factors regulating their proliferation remain largely unknown. In order to address this question, we raised antibodies against a tumorous blood cell line and identified an antigenic determinant that marks the surface of prohemocytes and also circulating plasmatocytes in larvae. This antigen was identified as a Drosophila homolog of the mammalian receptor for platelet-derived growth factor (PDGF)/vascular endothelial growth factor (VEGF). The Drosophila receptor controls cell proliferation in vitro. By overexpressing in vivo one of its putative ligands, PVF2, we induced a dramatic increase in circulating hemocytes. These results identify the PDGF/VEGF receptor homolog and one of its ligands as important players in Drosophila hematopoiesis.

journal_name

EMBO Rep

journal_title

EMBO reports

authors

Munier AI,Doucet D,Perrodou E,Zachary D,Meister M,Hoffmann JA,Janeway CA Jr,Lagueux M

doi

10.1093/embo-reports/kvf242

keywords:

subject

Has Abstract

pub_date

2002-12-01 00:00:00

pages

1195-200

issue

12

eissn

1469-221X

issn

1469-3178

pii

kvf242

journal_volume

3

pub_type

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