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Olayinka-Adefemi F, Hou S, Marshall AJ. Dual inhibition of phosphoinositide 3-kinases delta and gamma reduces chronic B cell activation and autoantibody production in a mouse model of lupus. Front Immunol 2023; 14:1115244. [PMID: 37234154 PMCID: PMC10206234 DOI: 10.3389/fimmu.2023.1115244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 04/25/2023] [Indexed: 05/27/2023] Open
Abstract
Phosphoinositide 3-kinase delta (PI3Kδ) plays key roles in normal B cell activation and is chronically activated in malignant B cells. Targeting of PI3Kδ using FDA-approved drugs Idelalisib or Umbralisib has shown efficacy in treatment of multiple B cell malignancies. Duvelisib, an inhibitor targeting both PI3Kδ and PI3Kγ (PI3Kδγi) has also been used for treatment of several leukemias and lymphomas and was suggested to offer potential additional benefits in supressing T cell and inflammatory responses. Transcriptomics analyses indicated that while most B cell subsets predominantly express PI3Kδ, plasma cells upregulate PI3Kγ. We thus assessed whether PI3Kδγi treatment can impact chronic B cell activation in the context of an autoantibody-mediated disease. Using the TAPP1R218LxTAPP2R211L (TAPP KI) mouse model of lupus-like disease driven by dysregulated PI3K pathway activity, we performed 4 week PI3Kδγi treatments and found significant reduction in CD86+ B cells, germinal center B cells, follicular helper T cells and plasma cells in multiple tissues. This treatment also significantly attenuated the abnormally elevated serum levels of IgG isotypes observed in this model. The profile of autoantibodies generated was markedly altered by PI3Kδγi treatment, with significant reductions in IgM and IgG targeting nuclear antigens, matrix proteins and other autoantigens. Kidney pathology was also impacted, with reduced IgG deposition and glomerulonephritis. These results indicate that dual inhibition of PI3Kδ and PI3Kγ can target autoreactive B cells and may have therapeutic benefits in autoantibody-mediated disease.
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Li X, Ma X, Miao Y, Zhang J, Xi B, Li W, Zhang Q, Chen L, Yang Y, Li H, Wei L, Zhou H, Yang C. Duvelisib attenuates bleomycin-induced pulmonary fibrosis via inhibiting the PI3K/Akt/mTOR signalling pathway. J Cell Mol Med 2023; 27:422-434. [PMID: 36651446 PMCID: PMC9889612 DOI: 10.1111/jcmm.17665] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 11/22/2022] [Accepted: 12/16/2022] [Indexed: 01/19/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial lung disease that seriously threatens the health of patients. The pathogenesis of IPF is still unclear, and there is a lack of effective therapeutic drugs. Myofibroblasts are the main effector cells of IPF, leading to excessive deposition of extracellular matrix (ECM) and promoting the progression of fibrosis. Inhibiting the excessive activation and relieving autophagy blockage of myofibroblasts is the key to treat IPF. PI3K/Akt/mTOR pathway plays a key regulatory role in promoting fibroblast activation and autophagy inhibition in lung fibrosis. Duvelisib is a PI3K inhibitor that can simultaneously inhibit the activities of PI3K-δ and PI3K-γ, and is mainly used for the treatment of relapsed/refractory chronic lymphocytic leukaemia (CLL) and small lymphocytic lymphoma tumour (SLL). In this study, we aimed to examine the effects of Duvelisib on pulmonary fibrosis. We used a mouse model of bleomycin-induced pulmonary fibrosis to evaluate the effects of Duvelisib on pulmonary fibrosis in vivo and further explored the potential pharmacological mechanisms of Duvelisib in lung fibroblasts in vitro. The in vivo experiments showed that Duvelisib significantly alleviated bleomycin-induced collagen deposition and improved pulmonary function. In vitro and in vivo pharmacological experiments showed that Duvelisib dose-dependently suppressed lung fibroblast activation and improved autophagy inhibition by inhibiting the phosphorylation of PI3K, Akt and mTOR. Our results indicate that Duvelisib can alleviate the severity of pulmonary fibrosis and provide potential drugs for the treatment of pulmonary fibrosis.
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Affiliation(s)
- Xiaohe Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Xiaoyang Ma
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Yang Miao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Jianwei Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Buri Xi
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Wenqi Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Qianyi Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Li Chen
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Yue Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Hongli Li
- Department of Respiratory and Critical Care MedicineTianjin Beichen HospitalTianjinChina
| | - Luqing Wei
- Department of Respiratory and Critical Care MedicineTianjin Beichen HospitalTianjinChina
| | - Honggang Zhou
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
| | - Cheng Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug ResearchNankai UniversityTianjinChina,Tianjin Key Laboratory of Molecular Drug ResearchTianjin International Joint Academy of BiomedicineTianjinChina
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Bou Zeid N, Yazbeck V. PI3k Inhibitors in NHL and CLL: An Unfulfilled Promise. Blood Lymphat Cancer 2023; 13:1-12. [PMID: 36919100 PMCID: PMC10008402 DOI: 10.2147/blctt.s309171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/22/2023] [Indexed: 03/09/2023]
Abstract
Phosphatidylinositol 3-kinases (PI3Ks) are a family of intracellular signal transducer enzymes that can attach a phosphate group to the 3'-hydroxyl of the inositol moiety of membrane-embedded phosphatidylinositol (PI). PI3Ks have been shown to play important roles in cell proliferation, growth, survival, motility, and metabolism. Nonetheless, the PI3K pathway has also shown to be overactivated in several tumors, particularly B-cell malignancies. In recent years, the PI3K signaling pathway has become the major focus of substantial drug discovery and development efforts. Selective (PI3K) inhibitors have been approved for the treatment of chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL), and indolent non-Hodgkin lymphomas (iNHL), such as follicular lymphoma and marginal-zone lymphoma. Four selective PI3K inhibitors have received accelerated FDA approvals for the treatment of patients with relapsed/refractory (R/R) CLL and/or iNHL based mainly on single-arm Phase II studies: Idelalisib (PI3K-δ inhibitor), copanlisib (dual PI3K-α and PI3K-δ inhibitor), duvelisib (dual PI3K-γ and PI3K-δ inhibitor), and umbralisib (dual PI3Kδ and CK1ε inhibitor). Conversely, recent interim results of randomized control trials (RCTs) involving some of these agents, showed a worrisome trend of decrease in overall survival (OS), and an increase in fatal and severe adverse effects, in comparison with patients in the control arms. Consequently, the class of PI3K inhibitors came under scrutiny, with an FDA expert panel voting on April 21, 2022, recommending that future FDA approvals of PI3K inhibitors be supported by randomized data, rather than single-arm data only, and further discontinuing the use of almost all the PI3K inhibitors in hematologic malignancies. As we believe further research is needed to help potentialize PI3K inhibitors by improving their safety profiles, this mini-review aims at revisiting the clinical successes, the failures, and the promising aspect of this class of drugs, while presenting possible ways that could benefit its successful development.
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Affiliation(s)
- Naji Bou Zeid
- Hôtel-Dieu de France Hospital, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Victor Yazbeck
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA
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Jiménez-Cortegana C, Hontecillas-Prieto L, García-Domínguez DJ, Zapata F, Palazón-Carrión N, Sánchez-León ML, Tami M, Pérez-Pérez A, Sánchez-Jiménez F, Vilariño-García T, de la Cruz-Merino L, Sánchez-Margalet V. Obesity and Risk for Lymphoma: Possible Role of Leptin. Int J Mol Sci 2022; 23:ijms232415530. [PMID: 36555171 PMCID: PMC9779026 DOI: 10.3390/ijms232415530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Obesity, which is considered a pandemic due to its high prevalence, is a risk factor for many types of cancers, including lymphoma, through a variety of mechanisms by promoting an inflammatory state. Specifically, over the last few decades, obesity has been suggested not only to increase the risk of lymphoma but also to be associated with poor clinical outcomes and worse responses to different treatments for those diseases. Within the extensive range of proinflammatory mediators that adipose tissue releases, leptin has been demonstrated to be a key adipokine due to its pleotropic effects in many physiological systems and diseases. In this sense, different studies have analyzed leptin levels and leptin/leptin receptor expressions as a probable bridge between obesity and lymphomas. Since both obesity and lymphomas are prevalent pathophysiological conditions worldwide and their incidences have increased over the last few years, here we review the possible role of leptin as a promising proinflammatory mediator promoting lymphomas.
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Affiliation(s)
- Carlos Jiménez-Cortegana
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY 10065, USA
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Lourdes Hontecillas-Prieto
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Daniel J. García-Domínguez
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Fernando Zapata
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Natalia Palazón-Carrión
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - María L. Sánchez-León
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Malika Tami
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Antonio Pérez-Pérez
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Flora Sánchez-Jiménez
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Teresa Vilariño-García
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
| | - Luis de la Cruz-Merino
- Oncology Service, Department of Medicines, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Correspondence: (L.d.l.C.-M.); (V.S.-M.)
| | - Víctor Sánchez-Margalet
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Virgen Macarena University Hospital, University of Seville, 41009 Seville, Spain
- Correspondence: (L.d.l.C.-M.); (V.S.-M.)
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Tannoury M, Garnier D, Susin SA, Bauvois B. Current Status of Novel Agents for the Treatment of B Cell Malignancies: What's Coming Next? Cancers (Basel) 2022; 14:6026. [PMID: 36551511 PMCID: PMC9775488 DOI: 10.3390/cancers14246026] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022] Open
Abstract
Resistance to death is one of the hallmarks of human B cell malignancies and often contributes to the lack of a lasting response to today's commonly used treatments. Drug discovery approaches designed to activate the death machinery have generated a large number of inhibitors of anti-apoptotic proteins from the B-cell lymphoma/leukemia 2 family and the B-cell receptor (BCR) signaling pathway. Orally administered small-molecule inhibitors of Bcl-2 protein and BCR partners (e.g., Bruton's tyrosine kinase and phosphatidylinositol-3 kinase) have already been included (as monotherapies or combination therapies) in the standard of care for selected B cell malignancies. Agonistic monoclonal antibodies and their derivatives (antibody-drug conjugates, antibody-radioisotope conjugates, bispecific T cell engagers, and chimeric antigen receptor-modified T cells) targeting tumor-associated antigens (TAAs, such as CD19, CD20, CD22, and CD38) are indicated for treatment (as monotherapies or combination therapies) of patients with B cell tumors. However, given that some patients are either refractory to current therapies or relapse after treatment, novel therapeutic strategies are needed. Here, we review current strategies for managing B cell malignancies, with a focus on the ongoing clinical development of more effective, selective drugs targeting these molecules, as well as other TAAs and signaling proteins. The observed impact of metabolic reprogramming on B cell pathophysiology highlights the promise of targeting metabolic checkpoints in the treatment of these disorders.
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Affiliation(s)
| | | | | | - Brigitte Bauvois
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Inserm, Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, F-75006 Paris, France
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Wen Y, Meng L, Zhang X, Gao Q. Efficacy and safety of phosphatidylinositol 3-kinase inhibitors in patients with chronic lymphocytic leukemia: a meta-analysis and systematic review. Expert Rev Hematol 2022; 15:849-856. [PMID: 35920616 DOI: 10.1080/17474086.2022.2110062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Phosphatidylinositol 3-kinase (PI3K) inhibitors demonstrate promising effects in the treatment of relapsed/refractory chronic lymphocytic leukemia (CLL). Emerging evidence of the therapeutic effects of the PI3K inhibitors in various aspects remains controversial. RESEARCH DESIGN AND METHODS This meta-analysis was to evaluate the efficacy and safety of PI3K inhibitors based on a synthesis of the data generated by randomized controlled trials (RCTs) of patients with CLL, by searching PubMed, EMBASE, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov registry. RESULTS Five RCTs with 1593 patients were included. The PI3K inhibitors significantly improved progression-free survival (PFS), the chance of overall response, and partial response than the control arm. Regarding adverse events (AEs), the PI3K inhibitors increased the risk of pyrexia, chills, diarrhea, decreased appetite, vomiting, rash, pneumonia, and upper respiratory tract infection. CONCLUSIONS Available evidence showed significant improvements over conventional therapy in PFS of the PI3K inhibitors in patients with CLL, with relatively manageable AEs.
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Affiliation(s)
- Yanting Wen
- Department of Basic Medicine, Center of Translational Medicine, Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, China
| | - Li Meng
- Maternity Intensive Care Unit, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Xian Zhang
- Department of Basic Medicine, Center of Translational Medicine, Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, China
| | - Qian Gao
- Department of Basic Medicine, Center of Translational Medicine, Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, China
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Weis TM, Gutierrez J, Kabel CC, King AC, Daley RJ, Stump SE. Real-world management of targeted therapies in chronic lymphocytic leukemia. J Oncol Pharm Pract 2022; 28:1411-1433. [PMID: 35350909 DOI: 10.1177/10781552221090869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The advent of novel targeted therapies, including B-cell receptor (BCR) pathway and B-cell lymphoma 2 (BCL2) inhibitors, has substantially changed the treatment paradigm for chronic lymphocytic leukemia (CLL). Although targeted therapies have improved outcomes compared to traditional chemoimmunotherapy in the front-line and relapsed or refractory settings, they are associated with resistance mutations and suboptimal outcomes in certain high-risk patients. Additionally, targeted therapies are associated with drug interactions and unique adverse effect profiles which can be challenging for patients and clinicians to manage. Ongoing studies continue to address questions regarding optimal sequencing of therapies, the role of treatment combinations, and the efficacy of next-generation novel agents. This review provides a comprehensive overview regarding the clinical management of targeted therapies for CLL and applies current literature to clinical practice.
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Affiliation(s)
- Taylor M Weis
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
| | - Jillian Gutierrez
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
| | - Charlene C Kabel
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
| | - Amber C King
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
| | - Ryan J Daley
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
| | - Sarah E Stump
- Department of Pharmacy, Leukemia Service, 5803Memorial Sloan Kettering Cancer Center, NY, USA
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Cervellera C, Russo M, Dotolo S, Facchiano A, Russo GL. STL1, a New AKT Inhibitor, Synergizes with Flavonoid Quercetin in Enhancing Cell Death in A Chronic Lymphocytic Leukemia Cell Line. Molecules 2021; 26:molecules26195810. [PMID: 34641354 PMCID: PMC8510450 DOI: 10.3390/molecules26195810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 11/16/2022] Open
Abstract
Using a pharmacophore model based on the experimental structure of AKT-1, we recently identified the compound STL1 (ZINC2429155) as an allosteric inhibitor of AKT-1. STL1, was able to reduce Ser473 phosphorylation, thus inhibiting the PI3K/AKT pathway. Moreover, we demonstrated that the flavonoid quercetin downregulated the phosphorylated and active form of AKT. However, in this case, quercetin inhibited the PI3K/AKT pathway by directly binding the kinases CK2 and PI3K. In the present work, we investigated the antiproliferative effects of the co-treatment quercetin plus STL1 in HG-3 cells, derived from a patient affected by chronic lymphocytic leukemia. Quercetin and STL1 in the mono-treatment maintained the capacity to inhibit AKT phosphorylation on Ser473, but did not significantly reduce cell viability. On the contrary, they activated a protective form of autophagy. When the HG-3 cells were co-treated with quercetin and STL1, their association synergistically (combination index < 1) inhibited cell growth and induced apoptosis. The combined treatment caused the switch from protective to non-protective autophagy. This work demonstrated that cytotoxicity could be enhanced in a drug-resistant cell line by combining the effects of different inhibitors acting in concert on PI3K and AKT kinases.
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MESH Headings
- Antioxidants/pharmacology
- Apoptosis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Cell Proliferation
- Drug Synergism
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Protein Kinase Inhibitors/pharmacology
- Proto-Oncogene Proteins c-akt/antagonists & inhibitors
- Quercetin/pharmacology
- Tumor Cells, Cultured
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