Sema3F (Semaphorin 3F) Selectively Drives an Extraembryonic Proangiogenic Program

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Sema3F (Semaphorin 3F) Selectively Drives an Extraembryonic Proangiogenic Program

OBJECTIVE Molecular pathways governing blood vessel patterning are vital to vertebrate development. Because of their ability to counteract proangiogenic factors, antiangiogenic secreted Sema3 (class 3 semaphorins) control embryonic vascular morphogenesis. However, if and how Sema3 may play a role in the control of extraembryonic vascular development is presently unknown. APPROACH AND RESULTS ...

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Semaphorin-3F is an inhibitor of tumor angiogenesis.

The neuropilin-1 (np1) and neuropilin-2 (np2) receptors form complexes with type-A plexins. These complexes serve as signaling receptors for specific class-3 semaphorins. Np1 and np2 function in addition as receptors for heparin-binding forms of vascular endothelial growth factor (VEGF), such as VEGF(165). Human umbilical vein endothelial cells (HUVEC) express tyrosine-kinase receptors for VEGF...

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Semaphorin SEMA3F affects multiple signaling pathways in lung cancer cells.

Loss of SEMA3F occurs frequently in lung cancer and correlates with advanced stage of disease. We previously reported that SEMA3F blocked tumor formation by H157 lung cancer cells in a rat orthotopic model. This was associated with loss of activated alpha(V)beta(3) integrin, impaired cell adhesion to extracellular matrix components, and down-regulation of phospho-extracellular signal-regulated ...

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Hormonal regulation and distinct functions of semaphorin-3B and semaphorin-3F in ovarian cancer.

Semaphorins comprise a family of molecules that influence neuronal growth and guidance. Class-3 semaphorins, semaphorin-3B (SEMA3B) and semaphorin-3F (SEMA3F), illustrate their effects by forming a complex with neuropilins (NP-1 or NP-2) and plexins. We examined the status and regulation of semaphorins and their receptors in human ovarian cancer cells. A significantly reduced expression of SEMA...

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Semaphorin 3F expression is reduced in pregnancy complicated by preeclampsia. An observational clinical study

BACKGROUND AND OBJECTIVE Preeclampsia is a systemic disorder, affecting 2-10% of pregnancies, characterized by a deregulated pro- and anti-angiogenic balance. Semaphorin 3F is an angiogenesis inhibitor. We aimed to investigate whether semaphorin 3F expression is modulated in preeclampsia. DESIGN, SETTING, PARTICIPANTS, AND MEASUREMENTS We performed two observational single center cohort studi...

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ژورنال

عنوان ژورنال: Arteriosclerosis, Thrombosis, and Vascular Biology

سال: 2017

ISSN: 1079-5642,1524-4636

DOI: 10.1161/atvbaha.117.308226