BARBIERI , Federica

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Somatostatin (SST) exerts antiproliferative effects in normal and tumor epithelial and endocrine cells through the activation of five G protein-coupled receptors (SSTR15). Somatostatin receptors are expressed in several human tumors, including brain cancer. Multiple intracellular pathways are involved in the antiproliferative effects of SST,...

Glioblastoma is the most prevalent and malignant form of brain cancer, but the current available multimodality treatments yield poor survival improvement. Thus, innovative therapeutic strategies represent the challenging topic for glioblastoma management. Multidisciplinary advances, supporting current standard of care therapies and...

Neuroendocrine tumors (NETs) are heterogeneous neoplasms with respect to molecular characteristics and clinical outcome. Although slow-growing, NETs are often late diagnosed, already showing invasion of adjacent tissues and metastases. Precise knowledge of NET biological and molecular features has opened the door to the identification of novel...

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Despite relevant progress obtained by multimodal treatment, glioblastoma (GBM), the most aggressive primary brain tumor, is still incurable. The most encouraging advancement of GBM drug research derives from the identification of cancer stem cells (CSCs), since these cells appear to represent the determinants of resistance to current standard...

Ovarian cancer is the most common type of gynecologic malignancy. Despite advances in surgery and chemotherapy, the survival rate is still low since most ovarian cancers relapse and become drug-resistant. Chemokines are small chemoattractant peptides mainly involved in the immune responses. More recently, chemokines were also demonstrated to...

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Chemokines are crucial autocrine and paracrine players in tumor development. In particular, CXCL12, through its receptors CXCR4 and CXCR7, affects tumor progression by controlling cancer cell survival, proliferation and migration, and, indirectly, via angiogenesis or recruiting immune cells. Glioblastoma (GBM) is the most prevalent primary...

Drug repositioning is gaining increasing attention in drug discovery because it represents a smart way to exploit new molecular targets of a known drug or target promiscuity among diverse diseases, for medical uses different from the one originally considered. In this review, we focus on known non-oncological drugs with new therapeutic...

Chemokines are key factors involved in the regulation of immune response, through the activation and control of leukocyte traffic, lymphopoiesis and immune surveillance. However, a large number of chemokines and their receptors are expressed in central nervous system (CNS) cells, either constitutively or induced by inflammatory stimuli, playing...

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Introduction: Chemokines control homing and trafficking of leukocytes in bone marrow and lymphoid organs. In particular, CXCL12 and its receptors CXCR4/CXCR7 control the homeostasis of multiple organs and systems. Their overexpression is linked to tumor development, both through a direct modulation of neoplastic cell proliferation, survival,...

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We report that somatostatin receptor (SSTR) 1,2 and 5 activation by selective agonists, causes C6 cell growth arrest through PTPh-dependent dephosphorylation of ERK1/2 in vitro and after xenografting in nude mice. Individual SSTR agonists displayed different effi cacy and potency showing partial synergism by combined treatment. Since most tumor...