Browsing Microbiology and Immunology by Author "Chiarini, Francesca"
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Advances in Targeting Signal Transduction Pathways
McCubrey, James A.; Steelman, Linda S.; Chappell, William H.; Sun, Lin; Davis, Nicole Marie; Abrams, Stephen L.; Franklin, Richard A.; Cocco, Lucio; Evangelisti, Camilla; Chiarini, Francesca; Martelli, Alberto M.; Libra, Massimo; Candido, Saverio; Ligresti, Giovanni; Malaponte, Graziella; Mazzarino, Maria C.; Fagone, Paolo; Donia, Marco; Nicoletti, Ferdinando; Polesel, Jerry; Talamini, Renato; Bäsecke, Jörg; Mijatovic, Sanja; Maksimovic-Ivanic, Danijela; Milella, Michele; Tafuri, Agostino; Dulińska-Litewka, Joanna; Laidler, Piotr; D'Assoro, Antonino B.; Drobot, Lyudmyla B.; Umezawa, Kazuo; Montalto, Giuseppe; Cervello, Melchiorre; Demidenko, Zoya N. (2012-12)Over the past few years, significant advances have occurred in both our understanding of the complexity of signal transduction pathways as well as the isolation of specific inhibitors which target key components in those ... -
Alteration of AKT Activity Increases Chemotherapeutic Drug and Hormonal Resistance in Breast Cancer yet Confers an Achilles Heel by Sensitization to Targeted Therapy
McCubrey, James A.; Sokolosky, Melissa L.; Lehmann, Brian D.; Taylor, Jackson R.; Navolanic, Patrick M.; Chappell, William H.; Abrams, Stephen L.; Stadelman, Kristin M.; Wong, Ellis WT; Misaghian, Negin; Horn, Stefan; Basecke, Jorg; Libra, Massimo; Stivala, Franca; Ligresti, Giovanni; Tafuri, Agostino; Milella, Michele; Zarzycki, Marek; Dzugaj, Andrzej; Chiarini, Francesca; Evangelisti, Camilla; Martelli, Alberto M.; Terrian, David M.; Franklin, Richard A.; Steelman, Linda S. (East Carolina University, 2008)The PI3K/PTEN/Akt/mTOR pathway plays critical roles in the regulation of cell growth. The effects of this pathway on drug resistance and cellular senescence of breast cancer cells has been a focus of our laboratory. ... -
Assessment of the effect of sphingosine kinase inhibitors on apoptosis,unfolded protein response and autophagy of T-cell acute lymphoblastic leukemia cells; indications for novel therapeutics
Evangelisti, Cecilia; Evangelisti, Camilla; Teti, Gabriella; Chiarini, Francesca; Falconi, Mirella; Melchionda, Fraia; Pession, Andrea; Bertaina, Alice; Locatelli, Franco; McCubrey, James A.; Beak, Dong Jae; Bittman, Robert; Pyne, Susan; Pyne, Nigel J.; Martelli, Alberto M. (2014-09)Sphingosine 1-phosphate (S1P) is a bioactive lipid that is formed by the phosphorylation of sphingosine and catalysed by sphingosine kinase 1 (SK1) or sphingosine kinase 2 (SK2). Sphingosine kinases play a fundamental role ... -
A combination of temsirolimus, an allosteric mTOR inhibitor, with clofarabine as a new therapeutic option for patients with acute myeloid leukemia
Chiarini, Francesca; Lonetti, Annalisa; Teti, Gabriella; Orsini, Ester; Bressanin, Daniela; Cappellini, Alessandra; Ricci, Francesca; Tazzari, Pier Luigi; Ognibene, Andrea; Falconi, Mirella; Pagliaro, Pasqualepaolo; Iacobucci, Ilaria; Martinelli, Giovanni; Amadori, Sergio; McCubrey, James A.; Martelli, Alberto M. (2012-12)Signaling through the phosphatidylinositol 3-kinase (PI3K) pathway and its downstream effectors, Akt and mechanistic target of rapamycin (mTOR), is aberrantly activated in acute myeloid leukemia (AML) patients, where it ... -
The Emerging Role of the Phosphatidylinositol 3-Kinase/ Akt/Mammalian Target of Rapamycin Signaling Network in Cancer Stem Cell Biology
Martelli, Alberto M.; Evangelisti, Camilla; Chiarini, Francesca; Grimaldi, Cecilia; McCubrey, James A. (2010-08)The cancer stem cell theory entails the existence of a hierarchically organized, rare population of cells which are responsible for tumor initiation, self-renewal/maintenance, and mutation accumulation. The cancer stem ... -
Enhancing the effectiveness of nucleoside analogs with mTORC1 blockers to treat acute myeloid leukemia patients
Martelli, Alberto M.; Lonetti, Annalisa; Amadori, Sergio; McCubrey, James A.; Chiarini, Francesca (2013-06) -
Harnessing the PI3K/Akt/mTOR pathway in T-cell acute lymphoblastic leukemia: Eliminating activity by targeting at different levels
Bressanin, Daniela; Evangelisti, Camilla; Ricci, Francesca; Tabellini, Giovanna; Chiarini, Francesca; Tazzari, Pier Luigi; Melchionda, Fraia; Buontempo, Francesca; Pagliaro, Pasqualepaolo; Pession, Andrea; McCubrey, James A.; Martelli, Alberto M. (2012-08)T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignant hematological disorder arising in the thymus from T-cell progenitors. T-ALL mainly affects children and young adults, and remains fatal in 20% of ... -
Mutations and Deregulation of Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR Cascades Which Alter Therapy Response
McCubrey, James A.; Steelman, Linda S.; Chappell, William H.; Abrams, Stephen L.; Montalto, Giuseppe; Cervello, Melchiorre; Nicoletti, Ferdinando; Fagone, Paolo; Malaponte, Graziella; Mazzarino, Maria C.; Candido, Saverio; Libra, Massimo; Bäsecke, Jörg; Mijatovic, Sanja; Maksimovic-Ivanic, Danijela; Milella, Michele; Tafuri, Agostino; Cocco, Lucio; Evangelisti, Camilla; Chiarini, Francesca; Martelli, Alberto M. (2012-09)The Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascades are often activated by genetic alterations in upstream signaling molecules such as receptor tyrosine kinases (RTK). Certain components of these pathways, RAS, NF1, BRAF, ... -
Pathobiology and Therapeutic Relevance of GSK-3 in Chronic Hematological Malignancies
McCubrey, James A.; Martelli, Alberto M.; Paganelli, Francesca; Evangelisti, Camilla; Chiarini, Francesca (2022-05-31) -
The phosphatidylinositol 3-kinase/Akt/mTOR signaling network as a therapeutic target in acute myelogenous leukemia patients
Martelli, Alberto M.; Evangelisti, Camilla; Chiarini, Francesca; McCubrey, James A. (2010-06)The phosphatidylinositol 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) signaling axis plays a central role in cell proliferation, growth, and survival under physiological conditions. However, aberrant PI3K/Akt/mTOR ... -
PI3K pan-inhibition impairs more efficiently proliferation and survival of T-cell acute lymphoblastic leukemia cell lines when compared to isoform-selective PI3K inhibitors
Lonetti, Annalisa; Cappellini, Alessandra; Spartà, Antonino Maria; Chiarini, Francesca; Buontempo, Francesca; Evangelisti, Camilla; Evangelisti, Cecilia; Orsini, Ester; McCubrey, James A.; Martelli, Alberto M. (2015-04)Class I phosphatidylinositol 3-kinases (PI3Ks) are frequently activated in T-cell acute lymphoblastic leukemia (T-ALL), mainly due to the loss of PTEN function. Therefore, targeting PI3Ks is a promising innovative approach ... -
Proapoptotic Activity and Chemosensitizing Effect of the Novel Akt Inhibitor (2S)-1-(1H-Indol-3-yl)-3-[5-(3-methyl-2H-indazol-5-yl)pyridin-3-yl]oxypropan2-amine (A443654) in T-Cell Acute Lymphoblastic Leukemia
Fala, Federica; Blalock, William L.; Tazzari, Pier Luigi; Cappellini, Alessandra; Chiarini, Francesca; Martinelli, Giovanni; Tafuri, Agostino; McCubrey, James A.; Cocco, Lucio; Martelli, Alberto M. (East Carolina University, 2008-09)Constitutively activated AKT kinase is a common feature of T-cell acute lymphoblastic leukemia (T-ALL). Here, we report that the novel AKT inhibitor (2S)-1-(1H-indol-3-yl)-3-[5-(3-methyl-2Hindazol-5-yl)pyridin-3-yl]oxypr ... -
Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR Cascade Inhibitors: How Mutations Can Result in Therapy Resistance and How to Overcome Resistance
McCubrey, James A.; Steelman, Linda S.; Chappell, William H.; Abrams, Stephen L.; Franklin, Richard A.; Montalto, Giuseppe; Cervello, Melchiorre; Libra, Massimo; Candido, Saverio; Malaponte, Graziella; Mazzarino, Maria C.; Fagone, Paolo; Nicoletti, Ferdinando; Bäsecke, Jörg; Mijatovic, Sanja; Maksimovic-Ivanic, Danijela; Milella, Michele; Tafuri, Agostino; Chiarini, Francesca; Evangelisti, Camilla; Cocco, Lucio; Martelli, Alberto M. (2012-10)The Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascades are often activated by genetic alterations in upstream signaling molecules such as receptor tyrosine kinases (RTK). Integral components of these pathways, Ras, B-Raf, ... -
Synergistic Proapoptotic Activity of Recombinant Trail Plus the AKT Inhibitor Perifosine in Acute Myelogenous Leukemia Cells
Tazzari, Pier Luigi; Tabellini, Giovanna; Ricci, Francesca; Papa, Veronica; Bortul, Roberta; Chiarini, Francesca; Evangelisti, Camilla; Martinelli, Giovanni; Bontadini, Andrea; Cocco, Lucio; McCubrey, James A.; Martelli, Alberto M. (East Carolina University, 2008-11-15)To potentiate the response of acute myelogenous leukemia (AML) cells to TNF-Related Apoptosis- Inducing Ligand (TRAIL) cytotoxicity, we have examined the efficacy of a combination with perifosine, a novel phosphatidylinositol ... -
Two hits are better than one: targeting both phosphatidylinositol 3-kinase and mammalian target of rapamycin as a therapeutic strategy for acute leukemia treatment
Martelli, Alberto M.; Chiarini, Francesca; Evangelisti, Camilla; Cappellini, Alessandra; Buontempo, Francesca; Bressanin, Daniela; Fini, Milena; McCubrey, James A. (2012-04)Phosphatidylinositol 3-kinase (PI3K) and mammalian target of rapamycin (mTOR) are two key components of the PI3K/Akt/mTOR signaling pathway. This signal transduction cascade regulates a wide range of physiological cell ...