Mario Leonardo Squadrito

Cette personne n’est plus à l’EPFL

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Publications associées (31)

Endogenous RNAs Modulate MicroRNA Sorting to Exosomes and Transfer to Acceptor Cells

Frederic Burdet, Michele De Palma, Mario Leonardo Squadrito, Claudio Maderna

MicroRNA (miRNA) transfer via exosomes may mediate cell-to-cell communication. Interestingly, specific miRNAs are enriched in exosomes in a cell-type-dependent fashion. However, the mechanisms whereby miRNAs are sorted to exosomes and the significance of m ...

Elsevier2014

Micromanaging restenosis by therapeutic inhibition of miR-92a

Michele De Palma, Mario Leonardo Squadrito

This editorial refers to 'Inhibition of miR-92a improves re-endothelialization and prevents neointima formation following vascular injury' by J.-M. Daniel et al., pp. 564-572, this issue. ...

Oxford Univ Press2014

PHD2 regulates arteriogenic macrophages through TIE2 signalling

Michele De Palma, Ferdinando Pucci, Mario Leonardo Squadrito

Occlusion of the main arterial route redirects blood flow to the collateral circulation. We previously reported that macrophages genetically modified to express low levels of prolyl hydroxylase domain protein 2 (PHD2) display an arteriogenic phenotype, whi ...

Wiley-Blackwell2013

MicroRNA-mediated control of macrophages and its implications for cancer

Martin Etzrodt, Michele De Palma, Mario Leonardo Squadrito

Deregulation of microRNAs (miRNAs) can drive oncogenesis, tumor progression, and metastasis by acting cell-autonomously in cancer cells. However, solid tumors are also infiltrated by large amounts of non-neoplastic stromal cells, including macrophages, whi ...

Elsevier Sci Ltd2013

Reciprocal interactions between endothelial cells and macrophages in angiogenic vascular niches

Michele De Palma, Mario Leonardo Squadrito

The ability of macrophages to promote vascular growth has been associated with the secretion and local delivery of classic proangiogenic factors (e.g., VEGF-A and proteases). More recently, a series of studies have also revealed that physical contact of ma ...

Elsevier Inc2013

MiR-511-3p Modulates Genetic Programs of Tumor-Associated Macrophages

Ferdinando Pucci, Mario Leonardo Squadrito

Expression of the mannose receptor (MRC1/CD206) identifies macrophage subtypes, such as alternatively activated macrophages (AAMs) and M2-polarized tumor-associated macrophages (TAMs), which are endowed with tissue-remodeling, proangiogenic, and protumoral ...

Cell Press2012

Macrophage skewing by Phd2 haplodeficiency prevents ischaemia by inducing arteriogenesis

Michele De Palma, Mario Leonardo Squadrito, Francine Jordan

PHD2 serves as an oxygen sensor that rescues blood supply by regulating vessel formation and shape in case of oxygen shortage. However, it is unknown whether PHD2 can influence arteriogenesis. Here we studied the role of PHD2 in collateral artery growth by ...

2011

Macrophage regulation of tumor angiogenesis: implications for cancer therapy

Michele De Palma, Mario Leonardo Squadrito

This article reviews the evidence for macrophages playing an important role in the regulation of tumor angiogenesis. Findings in mouse models show that macrophages promote angiogenesis in tumors both by producing excessive amounts of proangiogenic factors ...

2011

Regulation of macrophage arginase expression and tumor growth by the Ron receptor tyrosine kinase

Michele De Palma, Mario Leonardo Squadrito, Shan Yu

M1 activation of macrophages promotes inflammation and immunity to intracellular pathogens, whereas M2 macrophage activation promotes resolution of inflammation, wound healing, and tumor growth. These divergent phenotypes are characterized, in part, by the ...

American Association of Immunologists ; Oxford University Press2011

HRG inhibits tumor growth and metastasis by inducing macrophage polarization and vessel normalization through downregulation of PlGF

Michele De Palma, Mario Leonardo Squadrito, Damya Laoui

Polarization of tumor-associated macrophages (TAMs) to a proangiogenic/immune-suppressive (M2-like) phenotype and abnormal, hypoperfused vessels are hallmarks of malignancy, but their molecular basis and interrelationship remains enigmatic. We report that ...

2011

Systemic and targeted delivery of semaphorin 3A inhibits tumor angiogenesis and progression in mouse tumor models

Michele De Palma, Mario Leonardo Squadrito

The role of semaphorins in tumor progression is still poorly understood. In this study, we aimed at elucidating the regulatory role of semaphorin 3A (SEMA3A) in primary tumor growth and metastatic dissemination. ...

2011

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