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Michele De Palma

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Publications associées (128)

The selective Tie2 inhibitor rebastinib blocks recruitment and function of Tie2Hi macrophages in breast cancer and neuroendocrine pancreatic tumors

Michele De Palma, Ece Kadioglu

Tumor-infiltrating myeloid cells promote tumor progression by mediating angiogenesis, tumor cell intravasation and metastasis, which can offset the effects of chemotherapy, radiation, and anti-angiogenic therapy. Here, we show that the kinase switch contro ...

Amer Assoc Cancer Research2017

Microenvironmental regulation of tumour angiogenesis

Michele De Palma, Daniela Biziato

Tumours display considerable variation in the patterning and properties of angiogenic blood vessels, as well as in their responses to anti-angiogenic therapy. Angiogenic programming of neoplastic tissue is a multidimensional process regulated by cancer cel ...

Nature Publishing Group2017

Macrophage-derived Vascular Endothelial Growth Factor C re-directs hematogenous metastatic dissemination by normalizing the tumor vasculature

Michele De Palma, Mario Leonardo Squadrito, Margarita Bartish, Tatjana Wallmann

Wiley2017

Description of Fornasinius hermes sp. nov. (Coleoptera, Cetoniidae, Goliathini)

Michele De Palma

Fornasinius hermes sp. nov. is described from North-East Uganda; type locality: Mt Morungole, Kidepo valley. The new species is reminiscent of Fornasinius fornasini Bertoloni, 1852 and Fornasinius aureosparsus (Neervoort Van De Poll, 1890), but presents a ...

2017

Primary human and rat beta cells release the intracellular autoantigens GAD65, IA-2 and proinsulin in exosomes together with cytokine-induced enhancers of immunity

Jeffrey Alan Hubbell, Melody Swartz, Miriella Carmela Pasquier, Davide Demurtas, Sachiko Hirosue, Romain Hamelin, Steinunn Baekkeskov Hanahan, Michele De Palma, Edward Allen Phelps, Chiara Cianciaruso

The target autoantigens in several organ-specific autoimmune diseases, including type 1 diabetes (T1D), are intracellular membrane proteins, whose initial encounter with the immune system is poorly understood. Here we propose a new model for how these prot ...

American Diabetes Association2017

Precision targeting of tumor macrophages with a CD206 binding peptide

Michele De Palma, Mario Leonardo Squadrito

Tumor-associated macrophages (TAMs) expressing the multi-ligand endocytic receptor mannose receptor (CD206/MRC1) contribute to tumor immunosuppression, angiogenesis, metastasis, and relapse. Here, we describe a peptide that selectively targets MRC1-express ...

Nature Research2017

Reprogramming tumor blood vessels for enhancing immunotherapy

Michele De Palma

Angiogenic blood vessels contribute to generating an immunosuppressive tumor microenvironment, in part by limiting the extravasation of T cells. Functional reprogramming of angiogenic blood vessels, for example through angiopoietin-2 blockade, may improve ...

2017

Engineered antigen presenting cells and uses thereof

Michele De Palma, Mario Leonardo Squadrito

The present invention relates to engineered extra-cellular vesicle internalizing receptors that have the ability to enhance uptake, processing, and presentation to T-cells of tumor-associated antigens by an antigen-presenting cell. It further relates to ve ...

2017

Dual angiopoietin-2 and VEGFA inhibition elicits antitumor immunity that is enhanced by PD-1 checkpoint blockade

Michele De Palma, Ece Kadioglu, Nicolo Rigamonti, Antonino Cassarà, Céline Wyser Rmili, Damya Laoui

Pathological angiogenesis is a hallmark of cancer and a therapeutic target. Vascular endothelial growth factor A (VEGFA) and angiopoietin-2 (ANGPT2; also known as ANG2) are proangiogenic cytokines that sustain tumor angiogenesis and limit antitumor immunit ...

American Association for the Advancement of Science2017

CD4+ T cell activation and vascular normalization: Two sides of the same coin?

Michele De Palma

Normalization of tumor blood vessels enhances the infiltration and functions of T cells. Tian et al. (2017) report that effector CD4+ T cells, in turn, support vascular normalization, highlighting intertwined roles for blood vessels and T cells in cancer. ...

Cell Press2017

The role of the immune system in cancer: From mechanisms to clinical applications

Michele De Palma

Elsevier Science Bv2016

DICERing macrophages for reprogramming TAMs

Michele De Palma, Mario Leonardo Squadrito

Landes Bioscience2016

Suppression of microRNA activity amplifies IFN-γ-induced macrophage activation and promotes anti-tumor immunity

Danielle Thompson, Michele De Palma, Mario Leonardo Squadrito, Damya Laoui, Sarah Kate Hansen

Tumour-associated macrophages (TAMs) largely express an alternatively activated (or M2) phenotype, which entails immunosuppressive and tumour-promoting capabilities. Reprogramming TAMs towards a classically activated (M1) phenotype may thwart tumour-associ ...

Nature Publishing Group2016

Perivascular Macrophages Limit Permeability

Melody Swartz, Witold Waldemar Kilarski, Esra Güç, Michele De Palma, Mario Leonardo Squadrito

Objective-Perivascular cells, including pericytes, macrophages, smooth muscle cells, and other specialized cell types, like podocytes, participate in various aspects of vascular function. However, aside from the well-established roles of smooth muscle cell ...

American Heart Association2016

Origins of brain tumor macrophages

Michele De Palma

The ontogeny of brain-tumor-associated macrophages is poorly understood. New findings indicate that both resident microglia and blood-derived monocytes generate the pool of macrophages that infiltrate brain tumors of either primary or metastatic origin. ...

Elsevier2016

Targeting macrophages sensitizes chronic lymphocytic leukemia to apoptosis and inhibits disease progression

Michele De Palma

The role of monocytes/macrophages in the development and progression of chronic lymphocytic leukemia (CLL) is poorly understood. Transcriptomic analyses show that monocytes/macrophages and leukemic cells cross talk during CLL progression. Macrophage deplet ...

Elsevier2016

Guidance molecule SEMA3A restricts tumor growth by differentially regulating the proliferation of tumor-associated macrophages

Michele De Palma, Mario Leonardo Squadrito, Margarita Bartish, Tatjana Wallmann

Accumulation of tumor-associated macrophages (TAM) correlates with malignant progression, immune suppression and poor prognosis. In this study, we defined a critical role for the cell-surface guidance molecule SEMA3A in differential proliferative control o ...

American Association for Cancer Research2016

miR-511-3p, embedded in the macrophage mannose receptor gene, contributes to intestinal inflammation

Michele De Palma, Mario Leonardo Squadrito

MiR-511-3p is embedded in intron 5 of the CD206/MRC1 gene Mrc1, expressed by macrophage and dendritic cell populations. CD206 and miR-511-3p expression are co-regulated, and their contribution to intestinal inflammation is unclear. We investigated their ro ...

Nature Publishing Group2016

Targeting Vascular Pericytes in Hypoxic Tumors Increases Lung Metastasis via Angiopoietin-2

Michele De Palma

Strategies to target angiogenesis include inhibition of the vessel-stabilizing properties of vascular pericytes. Pericyte depletion in early-stage non-hypoxic tumors suppressed nascent angiogenesis, tumor growth, and lung metastasis. In contrast, pericyte ...

Elsevier2015

Overcoming tumor resistance to VEGF blockade by co-targeting ANG2/TIE2 signaling and macrophages

Michele De Palma

Amer Assoc Cancer Research2015

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