Browsing Microbiology and Immunology by Author "Martelli, Alberto M."
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Activity of the novel mTOR inhibitor Torin-2 in B-precursor acute lymphoblastic leukemia and its therapeutic potential to prevent Akt reactivation
Simioni, Carolina; Cani, Alice; Martelli, Alberto M.; Zauli, Giorgio; Tabellini, Giovanna; McCubrey, James A.; Capitani, Silvano; Neri, Luca M. (2014-10)The PI3K/Akt/mTOR signaling cascade is a key regulatory pathway controlling cell growth and survival, and its dysregulation is a reported feature of B-precursor acute lymphoblastic leukemia (B-pre ALL). Torin-2 is a ... -
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 ... -
The AKT Inhibitor MK-2206 is Cytotoxic in Hepatocarcinoma Cells Displaying Hyperphosphorylated AKT-1 and Synergizes with Conventional Chemotherapy
Simioni, Carolina; Martelli, Alberto M.; Cani, Alice; Cetin-Atalay, Rengul; McCubrey, James A.; Capitani, Silvano; Neri, Luca M. (2013-09)Hepatocellular carcinoma (HCC) is one of the most common potentially lethal human malignancies worldwide. Advanced or recurrent HCC is frequently resistant to conventional chemotherapeutic agents and radiation. Therefore, ... -
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 ... -
Co-targeting of Bcl-2 and mTOR pathway triggers synergistic apoptosis in BH3 mimetics resistant acute lymphoblastic leukemia
Iacovelli, Stefano; Ricciardi, Maria Rosaria; Allegretti, Matteo; Mirabilii, Simone; Licchetta, Roberto; Bergamo, Paola; Rinaldo, Cinzia; Zeuner, Ann; Foá , Robin; Milella, Michele; McCubrey, James A.; Martelli, Alberto M.; Tafuri, Agostino (2015-10)Several chemo-resistance mechanisms including the Bcl-2 protein family overexpression and constitutive activation of the PI3K/Akt/mTOR signaling have been documented in acute lymphoblastic leukemia (ALL), encouraging ... -
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 ... -
Effects of Ectopic Expression of NGAL on Doxorubicin Sensitivity
Chappell, William H.; Abrams, Stephen L.; Montalto, Giuseppe; Cervello, Melchiorre; Martelli, Alberto M.; Candido, Saverio; Libra, Massimo; Polesel, Jerry; Talamini, Renato; Arlinghaus, Ralph; Steelman, Linda S.; McCubrey, James A. (2012-10)Neutrophil gelatinase-associated lipocalin (NGAL, a.k.a Lnc2) is a member of the lipocalin family which has diverse roles including stabilizing matrix metalloproteinase-9 from auto-degradation and as siderocalins which are ... -
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) -
Exploiting p53 Status to Enhance Effectiveness of Chemotherapy by Lowering Associated Toxicity
Steelman, Linda S.; Martelli, Alberto M.; Nicoletti, Ferdinando; McCubrey, James A. (2011-03) -
GSK-3 as potential target for therapeutic intervention in cancer
McCubrey, James A.; Steelman, Linda S.; Bertrand, Fred E.; Davis, Nicole Marie; Sokolosky, Melissa; Abrams, Stephen L.; Montalto, Giuseppe; D'Assoro, Antonino B.; Libra, Massimo; Nicoletti, Ferdinando; Maestro, Roberta; Basecke, Jorg; Rakus, Dariusz; Gizak, Agnieszka; Demidenko, Zoya N.; Cocco, Lucio; Martelli, Alberto M.; Cervello, Melchiorre (2014-05)The serine/threonine kinase glycogen synthase kinase-3 (GSK-3) was initially identified and studied in the regulation of glycogen synthesis. GSK-3 functions in a wide range of cellular processes. Aberrant activity of GSK-3 ... -
GSK-3β Can Regulate the Sensitivity of MIA-PaCa-2 Pancreatic and MCF-7 Breast Cancer Cells to Chemotherapeutic Drugs, Targeted Therapeutics and Nutraceuticals
Abrams, Stephen L.; Akula, Shaw M.; Meher, Akshaya K.; Steelman, Linda S.; Gizak, Agnieszka; Duda, Przemysław; Rakus, Dariusz; Martelli, Alberto M.; Ratti, Stefano; Cocco, Lucio; Montalto, Giuseppe; Cervello, Melchiorre; Ruvolo, Peter; Libra, Massimo; Falzone, Luca; Candido, Saverio; McCubrey, James A. (2021-04) -
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 ... -
Involvement of Akt-1 and mTOR in Sensitivity of Breast Cancer to Targeted Therapy
Sokolosky, Melissa L.; Stadelman, Kristin M.; Chappell, William H.; Abrams, Stephen L.; Martelli, Alberto M.; Stivala, Franca; Libra, Massimo; Nicoletti, Ferdinando; Drobot, Lyudmyla B.; Franklin, Richard A.; Steelman, Linda S.; McCubrey, James A. (2011-07)Elucidating the response of breast cancer cells to chemotherapeutic and hormonal based drugs is clearly important as these are frequently used therapeutic approaches. A signaling pathway often involved in chemo- and ... -
Multifaceted roles of GSK-3 and Wnt/β-catenin in hematopoiesis and leukemogenesis: opportunities for therapeutic intervention
McCubrey, James A.; Steelman, L. S.; Bertrand, Fred E.; Davis, Nicole Marie; Abrams, Stephen L.; Montalto, Giuseppe; D'Assoro, Antonino B.; Libra, Massimo; Nicoletti, Ferdinando; Maestro, Roberta; Basecke, Jorg; Cocco, Lucio; Cervello, Melchiorre; Martelli, Alberto M. (2014-01)Glycogen synthase kinase-3 (GSK-3) is well documented to participate in a complex array of critical cellular processes. It was initially identified in rat skeletal muscle as a serine/threonine kinase that phosphorylated ... -
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, ... -
The novel dual PI3K/mTOR inhibitor NVP-BGT226 displays cytotoxic activity in both normoxic and hypoxic hepatocarcinoma cells
Simioni, Carolina; Cani, Alice; Martelli, Alberto M.; Zauli, Giorgio; Alameen, Ayman A.M.; Ultimo, Simona; Tabellini, Giovanna; McCubrey, James A.; Capitani, Silvano; Neri, Luca M. (2015-07)Hepatocellular carcinoma (HCC) is one of the most common lethal human malignancies worldwide and its advanced status is frequently resistant to conventional chemotherapeutic agents and radiation. We evaluated the cytotoxic ... -
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 ...