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Yan M, Chen X, Ye Q, Li H, Zhang L, Wang Y. IL-33-dependent NF-κB activation inhibits apoptosis and drives chemoresistance in acute myeloid leukemia. Cytokine 2024; 180:156672. [PMID: 38852492 DOI: 10.1016/j.cyto.2024.156672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/27/2024] [Accepted: 06/05/2024] [Indexed: 06/11/2024]
Abstract
BACKGROUND Despite recent advances in therapeutic regimens, the prognosis of acute myeloid leukemia (AML) remains poor. Following our previous finding that interleukin-33 (IL-33) promotes cell survival along with activated NF-κB in AML, we further investigated the role of NF-κB during leukemia development. METHODS Flow cytometry was performed to value the apoptosis and proliferation. qRT-PCR and western blot were performed to detect the expression of IL-6, active caspase 3, BIRC2, Bcl-2, and Bax, as well as activated NF-κB p65 and AKT. Finally, xenograft mouse models and AML patient samples were used to verify the findings observed in AML cell lines. RESULTS IL-33-mediated NF-κB activation in AML cell lines contributes to a reduction in apoptosis, an increase in proliferation rate as well as a decrease in drug sensitivity, which were reversed by NF-κB inhibitor, Bay-117085. Moreover, IL-33 decreased the expression of active caspase-3 while increasing the levels of BIRC2, Bcl-2, and Bax, and these effects were blocked by Bay-117085. Additionally, NF-κB activation induced by IL-33 increases the production of IL-6 and autocrine activation of AKT. Co-culture of bone marrow stroma with AML cells resulted in increased IL-33 expression by leukemia cells, along with decreased apoptosis level and reduced drug sensitivity. Finally, we confirmed the in vivo pro-tumor effect mediated by IL-33/ NF-κB axis using a xenograft model of AML. CONCLUSION Our data indicate that IL-33/IL1RL1-dependent signaling contributes to AML cell activation of NF-κB, which in turn causes autocrine IL-6-induced activation of pAKT, supporting IL-33/NF-κB/pAKT as a potential target for AML therapy.
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Affiliation(s)
- Muxia Yan
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xuexin Chen
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China
| | - Qian Ye
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Huating Li
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China
| | - Li Zhang
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
| | - Yiqian Wang
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China.
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2
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Peng Z, Ahsan N, Yang Z. Proteomics Analysis of Interactions between Drug-Resistant and Drug-Sensitive Cancer Cells: Comparative Studies of Monoculture and Coculture Cell Systems. J Proteome Res 2024; 23:2608-2618. [PMID: 38907724 DOI: 10.1021/acs.jproteome.4c00338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/24/2024]
Abstract
Cell-cell interactions, which allow cells to communicate with each other through molecules in their microenvironment, are critical for the growth, health, and functions of cells. Previous studies show that drug-resistant cells can interact with drug-sensitive cells to elevate their drug resistance level, which is partially responsible for cancer recurrence. Studying protein targets and pathways involved in cell-cell communication provides essential information for fundamental cell biology studies and therapeutics of human diseases. In the current studies, we performed direct coculture and indirect coculture of drug-resistant and drug-sensitive cell lines, aiming to investigate intracellular proteins responsible for cell communication. Comparative studies were carried out using monoculture cells. Shotgun bottom-up proteomics results indicate that the P53 signaling pathway has a strong association with drug resistance mechanisms, and multiple TP53-related proteins were upregulated in both direct and indirect coculture systems. In addition, cell-cell communication pathways, including the phagosome and the HIF-signaling pathway, contribute to both direct and indirect coculture systems. Consequently, AK3 and H3-3A proteins were identified as potential targets for cell-cell interactions that are relevant to drug resistance mechanisms. We propose that the P53 signaling pathway, in which mitochondrial proteins play an important role, is responsible for inducing drug resistance through communication between drug-resistant and drug-sensitive cancer cells.
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Affiliation(s)
- Zongkai Peng
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Nagib Ahsan
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
- Mass Spectrometry, Proteomics and Metabolomics Core Facility, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Zhibo Yang
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
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Casasampere M, Ung J, Iñáñez A, Dufau C, Tsuboi K, Casas J, Tan SF, Feith DJ, Andrieu-Abadie N, Segui B, Loughran TP, Abad JL, Fabrias G. A fluorogenic substrate for the detection of lipid amidases in intact cells. J Lipid Res 2024; 65:100520. [PMID: 38369184 PMCID: PMC10956054 DOI: 10.1016/j.jlr.2024.100520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/25/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024] Open
Abstract
Lipid amidases of therapeutic relevance include acid ceramidase (AC), N-acylethanolamine-hydrolyzing acid amidase, and fatty acid amide hydrolase (FAAH). Although fluorogenic substrates have been developed for the three enzymes and high-throughput methods for screening have been reported, a platform for the specific detection of these enzyme activities in intact cells is lacking. In this article, we report on the coumarinic 1-deoxydihydroceramide RBM1-151, a 1-deoxy derivative and vinilog of RBM14-C12, as a novel substrate of amidases. This compound is hydrolyzed by AC (appKm = 7.0 μM; appVmax = 99.3 nM/min), N-acylethanolamine-hydrolyzing acid amidase (appKm = 0.73 μM; appVmax = 0.24 nM/min), and FAAH (appKm = 3.6 μM; appVmax = 7.6 nM/min) but not by other ceramidases. We provide proof of concept that the use of RBM1-151 in combination with reported irreversible inhibitors of AC and FAAH allows the determination in parallel of the three amidase activities in single experiments in intact cells.
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Affiliation(s)
- Mireia Casasampere
- Department of Biological Chemistry, Research Unit on BioActive Molecules, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain
| | - Johnson Ung
- Division of Hematology and Oncology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA; Department of Microbiology, Immunology and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Alejandro Iñáñez
- Department of Biological Chemistry, Research Unit on BioActive Molecules, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain
| | - Carine Dufau
- INSERM UMR 1037, Cancer Research Center of Toulouse (CRCT), Toulouse, France; Equipe Labellisée Fondation ARC pour la recherche sur le cancer, Toulouse, France
| | - Kazuhito Tsuboi
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Josefina Casas
- Department of Biological Chemistry, Research Unit on BioActive Molecules, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Su-Fern Tan
- Division of Hematology and Oncology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA; University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - David J Feith
- Division of Hematology and Oncology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA; University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Nathalie Andrieu-Abadie
- INSERM UMR 1037, Cancer Research Center of Toulouse (CRCT), Toulouse, France; Equipe Labellisée Fondation ARC pour la recherche sur le cancer, Toulouse, France
| | - Bruno Segui
- INSERM UMR 1037, Cancer Research Center of Toulouse (CRCT), Toulouse, France; Equipe Labellisée Fondation ARC pour la recherche sur le cancer, Toulouse, France; Université Toulouse III - Paul Sabatier, Toulouse, France
| | - Thomas P Loughran
- Division of Hematology and Oncology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA; University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - José Luis Abad
- Department of Biological Chemistry, Research Unit on BioActive Molecules, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain.
| | - Gemma Fabrias
- Department of Biological Chemistry, Research Unit on BioActive Molecules, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain; CIBEREHD, Madrid, Spain; Spanish National Research Council (CSIC)'s Cancer Hub, Madrid, Spain.
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4
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Ung J, Tan SF, Fox TE, Shaw JJP, Taori M, Horton BJ, Golla U, Sharma A, Szulc ZM, Wang HG, Chalfant CE, Cabot MC, Claxton DF, Loughran TP, Feith DJ. Acid Ceramidase Inhibitor LCL-805 Antagonizes Akt Signaling and Promotes Iron-Dependent Cell Death in Acute Myeloid Leukemia. Cancers (Basel) 2023; 15:5866. [PMID: 38136410 PMCID: PMC10742122 DOI: 10.3390/cancers15245866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive hematologic malignancy requiring urgent treatment advancements. Ceramide is a cell-death-promoting signaling lipid that plays a central role in therapy-induced cell death. We previously determined that acid ceramidase (AC), a ceramide-depleting enzyme, is overexpressed in AML and promotes leukemic survival and drug resistance. The ceramidase inhibitor B-13 and next-generation lysosomal-localizing derivatives termed dimethylglycine (DMG)-B-13 prodrugs have been developed but remain untested in AML. Here, we report the in vitro anti-leukemic efficacy and mechanism of DMG-B-13 prodrug LCL-805 across AML cell lines and primary patient samples. LCL-805 inhibited AC enzymatic activity, increased total ceramides, and reduced sphingosine levels. A median EC50 value of 11.7 μM was achieved for LCL-805 in cell viability assays across 32 human AML cell lines. As a single agent tested across a panel of 71 primary AML patient samples, a median EC50 value of 15.8 μM was achieved. Exogenous ceramide supplementation with C6-ceramide nanoliposomes, which is entering phase I/II clinical trial for relapsed/refractory AML, significantly enhanced LCL-805 killing. Mechanistically, LCL-805 antagonized Akt signaling and led to iron-dependent cell death distinct from canonical ferroptosis. These findings elucidated key factors involved in LCL-805 cytotoxicity and demonstrated the potency of combining AC inhibition with exogenous ceramide.
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Affiliation(s)
- Johnson Ung
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Su-Fern Tan
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
- University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Todd E. Fox
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
- Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Jeremy J. P. Shaw
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
| | - Maansi Taori
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
| | - Bethany J. Horton
- Department of Public Health Sciences, Division of Translational Research and Applied Statistics, University of Virginia School of Medicine, Charlottesville, VA 22908, USA;
| | - Upendarrao Golla
- Department of Medicine, Division of Hematology and Oncology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (U.G.); (D.F.C.)
| | - Arati Sharma
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA;
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA;
| | - Zdzislaw M. Szulc
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina College of Medicine, Charleston, SC 29425, USA;
| | - Hong-Gang Wang
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA;
| | - Charles E. Chalfant
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
- University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
- Research Service, Richmond Veterans Administration Medical Center, Richmond, VA 23249, USA
| | - Myles C. Cabot
- East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC 27858, USA;
- Department of Biochemistry & Molecular Biology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA
| | - David F. Claxton
- Department of Medicine, Division of Hematology and Oncology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (U.G.); (D.F.C.)
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA;
| | - Thomas P. Loughran
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
- University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - David J. Feith
- Department of Medicine, Division of Hematology & Oncology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; (S.-F.T.); (T.E.F.); (J.J.P.S.); (M.T.); (C.E.C.)
- University of Virginia Cancer Center, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
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5
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Ung J, Tan SF, Fox TE, Shaw JJ, Taori M, Horton BJ, Golla U, Sharma A, Szulc ZM, Wang HG, Chalfant CE, Cabot MC, Claxton DF, Loughran TP, Feith DJ. Acid Ceramidase Inhibitor LCL-805 Antagonizes Akt Signaling and Promotes Iron-Dependent Cell Death in Acute Myeloid Leukemia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.21.563437. [PMID: 37961314 PMCID: PMC10634704 DOI: 10.1101/2023.10.21.563437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Acute myeloid leukemia (AML) is an aggressive hematologic malignancy requiring urgent treatment advancements. Ceramide is a cell death-promoting signaling lipid that plays a central role in therapy-induced cell death. Acid ceramidase (AC), a ceramide-depleting enzyme, is overexpressed in AML and promotes leukemic survival and drug resistance. The ceramidase inhibitor B-13 and next-generation lysosomal-localizing derivatives termed dimethylglycine (DMG)-B-13 prodrugs have been developed but remain untested in AML. Here, we report the in vitro anti-leukemic efficacy and mechanism of DMG-B-13 prodrug, LCL-805, across AML cell lines and primary patient samples. LCL-805 inhibited AC enzymatic activity, increased total ceramides, and reduced sphingosine levels. A median EC50 value of 11.7 μM was achieved for LCL-805 in cell viability assays across 32 human AML cell lines. As a single agent tested across a panel of 71 primary AML patient samples, a median EC50 value of 15.8 μM was achieved. Exogenous ceramide supplementation with C6-ceramide nanoliposomes, which is entering phase I/II clinical trial for relapsed/refractory AML, significantly enhanced LCL-805 killing. Mechanistically, LCL-805 antagonized Akt signaling and led to iron-dependent cell death distinct from canonical ferroptosis. These findings elucidated key factors involved in LCL-805 cytotoxicity and demonstrated the potency of combining AC inhibition with exogenous ceramide.
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6
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Zalpoor H, Bakhtiyari M, Akbari A, Aziziyan F, Shapourian H, Liaghat M, Zare-Badie Z, Yahyazadeh S, Tarhriz V, Ganjalikhani-Hakemi M. Potential role of autophagy induced by FLT3-ITD and acid ceramidase in acute myeloid leukemia chemo-resistance: new insights. Cell Commun Signal 2022; 20:172. [PMCID: PMC9620650 DOI: 10.1186/s12964-022-00956-7] [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: 05/06/2022] [Accepted: 08/09/2022] [Indexed: 11/10/2022] Open
Abstract
Acute myeloid leukemia (AML) is a type of leukemia with a poor prognosis and survival characterized by abnormal cell proliferation and differentiation. Despite advances in treatment, AML still has a low complete remission rate, particularly in elderly patients, and recurrences are frequently seen even after complete remissions. The major challenge in treating AML is the resistance of leukemia cells to chemotherapy drugs. Thus, to overcome this issue, it can be crucial to conduct new investigations to explore the mechanisms of chemo-resistance in AML and target them. In this review, the potential role of autophagy induced by FLT3-ITD and acid ceramidase in chemo-resistance in AML patients are analyzed. With regard to the high prevalence of FLT3-ITD mutation (about 25% of AML cases) and high level of acid ceramidase in these patients, we hypothesized that both of these factors could lead to chemo-resistance by inducing autophagy. Therefore, pharmacological targeting of autophagy, FLT3-ITD, and acid ceramidase production could be a promising therapeutic approach for such AML patients to overcome chemo-resistance.
Video abstract
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Affiliation(s)
- Hamidreza Zalpoor
- grid.412571.40000 0000 8819 4698Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran ,grid.510410.10000 0004 8010 4431Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Maryam Bakhtiyari
- grid.510410.10000 0004 8010 4431Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran ,grid.412606.70000 0004 0405 433XDepartment of Medical Laboratory Sciences, Faculty of Allied Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Abdullatif Akbari
- grid.412571.40000 0000 8819 4698Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran ,grid.510410.10000 0004 8010 4431Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Fatemeh Aziziyan
- grid.510410.10000 0004 8010 4431Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran ,grid.412266.50000 0001 1781 3962Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Hooriyeh Shapourian
- grid.411036.10000 0001 1498 685XDepartment of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahsa Liaghat
- grid.510410.10000 0004 8010 4431Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran ,grid.472315.60000 0004 0494 0825Department of Medical Laboratory Sciences, Faculty of Medical Sciences, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Zahra Zare-Badie
- grid.412571.40000 0000 8819 4698Diagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sheida Yahyazadeh
- grid.411036.10000 0001 1498 685XDepartment of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Vahideh Tarhriz
- grid.412888.f0000 0001 2174 8913Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mazdak Ganjalikhani-Hakemi
- grid.411036.10000 0001 1498 685XDepartment of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Raza Y, Atallah J, Luberto C. Advancements on the Multifaceted Roles of Sphingolipids in Hematological Malignancies. Int J Mol Sci 2022; 23:12745. [PMID: 36361536 PMCID: PMC9654982 DOI: 10.3390/ijms232112745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/07/2022] [Accepted: 10/17/2022] [Indexed: 09/19/2023] Open
Abstract
Dysregulation of sphingolipid metabolism plays a complex role in hematological malignancies, beginning with the first historical link between sphingolipids and apoptosis discovered in HL-60 leukemic cells. Numerous manuscripts have reviewed the field including the early discoveries that jumpstarted the studies. Many studies discussed here support a role for sphingolipids, such as ceramide, in combinatorial therapeutic regimens to enhance anti-leukemic effects and reduce resistance to standard therapies. Additionally, inhibitors of specific nodes of the sphingolipid pathway, such as sphingosine kinase inhibitors, significantly reduce leukemic cell survival in various types of leukemias. Acid ceramidase inhibitors have also shown promising results in acute myeloid leukemia. As the field moves rapidly, here we aim to expand the body of literature discussed in previously published reviews by focusing on advances reported in the latter part of the last decade.
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Affiliation(s)
- Yasharah Raza
- Department of Pharmacological Sciences, Molecular and Cellular Pharmacology, Stony Brook University, Stony Brook, NY 11794, USA
- Stony Brook Cancer Center, Stony Brook University Hospital, Stony Brook, NY 11794, USA
| | - Jane Atallah
- Stony Brook Cancer Center, Stony Brook University Hospital, Stony Brook, NY 11794, USA
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794, USA
| | - Chiara Luberto
- Stony Brook Cancer Center, Stony Brook University Hospital, Stony Brook, NY 11794, USA
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794, USA
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The Novel Protein ADAMTS16 Promotes Gastric Carcinogenesis by Targeting IFI27 through the NF-κb Signaling Pathway. Int J Mol Sci 2022; 23:ijms231911022. [PMID: 36232317 PMCID: PMC9570124 DOI: 10.3390/ijms231911022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
A disintegrin and metalloproteinase with thrombospondin motifs 16 (ADAMTS16) has been reported to be involved in the pathogenesis of solid cancers. However, its role in gastric cancer (GC) is unclear. In this study, the role of ADAMTS16 in gastric cancer was investigated. The effects of ADAMTS16 on cell migration, invasion, and proliferation were investigated by functional experiments in vivo and in vitro. Downstream signal pathways of ADAMTS16 were confirmed by using bioinformatics analysis, co-immunoprecipitation, and immunofluorescence. Meanwhile, bioinformatics analysis, qRT-PCR, western blot, and dual-luciferase reporter gene analysis assays were used to identify ADAMTS16 targets. The expression of ADAMTS16 in GC was analyzed in public datasets. The expression of ADAMTS16 and its correlations with the clinical characteristics of GC were investigated by immunohistochemistry. Ectopic ADAMTS16 expression significantly promoted tumor cell migration, invasion, and growth. Bioinformatics analysis and western blot showed that ADAMTS16 upregulated the IFI27 protein through the NF-κb pathway, which was confirmed by immunofluorescence and western blot. Dual-luciferase reporter gene analysis identified a binding site between P65 and IFI27 that may be directly involved in the transcriptional regulation of IFI27. IFI27 knockdown reversed the promoting effect of ADAMTS16 on cell invasion, migration, and proliferation indicating that ADAMTS16 acts on GC cells by targeting the NF-κb/IFI27 axis. ADAMTS16 was associated with poor prognosis in clinical characteristics. ADAMTS16 promotes cell migration, invasion, and proliferation by targeting IFI27 through the NF-κB pathway and is a potential progressive and survival biomarker of GC.
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Xiao J, Zeng W, Zhang P, Zhou Y, Fang Q. Acid ceramidase targeting pyruvate kinase affected trypsinogen activation in acute pancreatitis. Mol Med 2022; 28:106. [PMID: 36068514 PMCID: PMC9450262 DOI: 10.1186/s10020-022-00538-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 08/30/2022] [Indexed: 11/23/2022] Open
Abstract
Background Acute pancreatitis is the sudden inflammation of the pancreas. Severe cases of acute pancreatitis are potentially fatal and have no specific treatment available. Premature trypsinogen activation could initiate acute pancreatitis. However, the mechanism underlying premature trypsinogen activation is not fully understood. Methods In this research, a primary pancreatic acinar cell or mouse acute pancreatitis model was constructed. The effect of acid ceramidase (ASAH1), which is responsible for sphingosine production, was investigated in trypsinogen activation in vitro and in vivo. Meanwhile, the proteins regulating ASAH1 or binding to sphingosine were also detected by co-immunoprecipitation followed by mass spectrometry. Results The results showed that ASAH1 increased in acute pancreatitis. Increased ASAH1 promoted the activation of trypsinogen and cathepsin B. On the contrary, ASAH1 downregulation inhibited trypsinogen and cathepsin B. Meanwhile, ASAH1 regulated the activity of trypsin and cathepsin B through sphingosine. Additionally, E3 ligase Mind bomb homolog 1 (MIB1) decreased in acute pancreatitis resulting in the decreased binding between MIB1 and ASAH1. Exogenous MIB1 diminished the elevation in trypsin activity induced by acute pancreatitis inducer. ASAH1 increased owing to the inhibition of the proteasome degradation by MIB1. In acute pancreatitis, sphingosine was found to bind to pyruvate kinase. Pyruvate kinase activation could reduce trypsinogen activation and mitochondrial reactive oxygen species (ROS) production induced by sphingosine. Conclusions In conclusion, during the process of acute pancreatitis, MIB1 downregulation led to ASAH1 upregulation, resulting in pyruvate kinase inhibition, followed by trypsinogen activation. Supplementary Information The online version contains supplementary material available at 10.1186/s10020-022-00538-w.
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Affiliation(s)
- Juan Xiao
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China. .,Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China.
| | - Wenying Zeng
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Pengcheng Zhang
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Yuan Zhou
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Qiangqiang Fang
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
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10
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Ung J, Tan SF, Fox TE, Shaw JJP, Vass LR, Costa-Pinheiro P, Garrett-Bakelman FE, Keng MK, Sharma A, Claxton DF, Levine RL, Tallman MS, Cabot MC, Kester M, Feith DJ, Loughran TP. Harnessing the power of sphingolipids: Prospects for acute myeloid leukemia. Blood Rev 2022; 55:100950. [PMID: 35487785 PMCID: PMC9475810 DOI: 10.1016/j.blre.2022.100950] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/31/2022] [Accepted: 04/04/2022] [Indexed: 11/02/2022]
Abstract
Acute myeloid leukemia (AML) is an aggressive, heterogenous malignancy characterized by clonal expansion of bone marrow-derived myeloid progenitor cells. While our current understanding of the molecular and genomic landscape of AML has evolved dramatically and opened avenues for molecularly targeted therapeutics to improve upon standard intensive induction chemotherapy, curative treatments are elusive, particularly in older patients. Responses to current AML treatments are transient and incomplete, necessitating the development of novel treatment strategies to improve outcomes. To this end, harnessing the power of bioactive sphingolipids to treat cancer shows great promise. Sphingolipids are involved in many hallmarks of cancer of paramount importance in AML. Leukemic blast survival is influenced by cellular levels of ceramide, a bona fide pro-death molecule, and its conversion to signaling molecules such as sphingosine-1-phosphate and glycosphingolipids. Preclinical studies demonstrate the efficacy of therapeutics that target dysregulated sphingolipid metabolism as well as their combinatorial synergy with clinically-relevant therapeutics. Thus, increased understanding of sphingolipid dysregulation may be exploited to improve AML patient care and outcomes. This review summarizes the current knowledge of dysregulated sphingolipid metabolism in AML, evaluates how pro-survival sphingolipids promote AML pathogenesis, and discusses the therapeutic potential of targeting these dysregulated sphingolipid pathways.
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Affiliation(s)
- Johnson Ung
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America
| | - Su-Fern Tan
- Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America
| | - Todd E Fox
- University of Virginia Cancer Center, Charlottesville, VA, United States of America; Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, VA, United States of America
| | - Jeremy J P Shaw
- University of Virginia Cancer Center, Charlottesville, VA, United States of America; Department of Experimental Pathology, University of Virginia School of Medicine, Charlottesville, VA, United States of America
| | - Luke R Vass
- University of Virginia Cancer Center, Charlottesville, VA, United States of America; Department of Experimental Pathology, University of Virginia School of Medicine, Charlottesville, VA, United States of America
| | - Pedro Costa-Pinheiro
- Cancer Biology, University of Pennsylvania, Philadelphia, PA, United States of America
| | - Francine E Garrett-Bakelman
- Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America; Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, United States of America
| | - Michael K Keng
- Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America
| | - Arati Sharma
- Penn State Cancer Institute, Hershey, PA, United States of America
| | - David F Claxton
- Penn State Cancer Institute, Hershey, PA, United States of America
| | - Ross L Levine
- Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Martin S Tallman
- Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Myles C Cabot
- Department of Biochemistry and Molecular Biology, East Carolina University, Brody School of Medicine, Greenville, NC, United States of America; East Carolina Diabetes and Obesity Institute, East Carolina University, Brody School of Medicine, Greenville, NC, United States of America
| | - Mark Kester
- University of Virginia Cancer Center, Charlottesville, VA, United States of America; Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, VA, United States of America
| | - David J Feith
- Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America
| | - Thomas P Loughran
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; Division of Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, VA, United States of America; University of Virginia Cancer Center, Charlottesville, VA, United States of America.
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11
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Zhang L, Chang N, Liu J, Liu Z, Wu Y, Sui L, Chen W. Reprogramming lipid metabolism as potential strategy for hematological malignancy therapy. Front Oncol 2022; 12:987499. [PMID: 36106108 PMCID: PMC9465383 DOI: 10.3389/fonc.2022.987499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Hematological malignancies are one of the most lethal illnesses that seriously threaten human life and health. Lipids are important constituents of various biological membranes and substances for energy storage and cell signaling. Furthermore, lipids are critical in the normal physiological activities of cells. In the process of the lethal transformation of hematological malignancies, lipid metabolism reprogramming meets the material and energy requirements of rapidly proliferating and dividing tumor cells. A large number of studies have shown that dysregulated lipid metabolism, commonly occurs in hematological malignancies, mediating the proliferation, growth, migration, invasion, apoptosis, drug resistance and immune escape of tumor cells. Targeting the lipid metabolism pathway of hematological malignancies has become an effective therapeutic approach. This article reviews the oncogenic mechanisms of lipid metabolism reprogramming in hematological malignancies, including fatty acid, cholesterol and phospholipid metabolism, thereby offering an insight into targeting lipid metabolism in the treatment of hematological malignancies.
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Affiliation(s)
- Leqiang Zhang
- School of Engineering Medicine, Beihang University, Beijing, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
| | - Ning Chang
- Peking University Cancer Hospital, Beijing, China
| | - Jia Liu
- School of Engineering Medicine, Beihang University, Beijing, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
| | - Zhuojun Liu
- School of Engineering Medicine, Beihang University, Beijing, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
| | - Yajin Wu
- School of Engineering Medicine, Beihang University, Beijing, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
| | - Linlin Sui
- Core Lab Glycobiol & Glycoengn, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
- *Correspondence: Linlin Sui, ; Wei Chen,
| | - Wei Chen
- School of Engineering Medicine, Beihang University, Beijing, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
- *Correspondence: Linlin Sui, ; Wei Chen,
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12
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Lipids and the cancer stemness regulatory system in acute myeloid leukemia. Essays Biochem 2022; 66:333-344. [PMID: 35996953 DOI: 10.1042/ebc20220028] [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] [Received: 06/10/2022] [Revised: 07/30/2022] [Accepted: 08/08/2022] [Indexed: 12/17/2022]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease of impaired myeloid differentiation and a caricature of normal hematopoiesis. Leukemic stem cells (LSCs) are responsible for long-term clonal propagation in AML just as hematopoietic stem cells (HSCs) sustain lifelong hematopoiesis. LSCs are often resistant to standard chemotherapy and are responsible for clinical relapse. Although AML is highly heterogeneous, determinants of stemness are prognostic for AML patient survival and can predict AML drug sensitivity. Therefore, one way to overcome challenges preventing efficacious treatment outcomes is to target LSC stemness. Metabolomic and lipidomic studies of serum and cells from AML patients are emerging to complement genomic, transcriptomic, epigenetic, and proteomic data sets to characterize and stratify AML. Recent studies have shown the value of fractionating LSCs versus blasts when characterizing metabolic pathways and implicate the importance of lipid balance to LSCs function. As more extensive metabolic studies coupled to functional in vivo assays are conducted on highly purified HSCs, bulk AML, and LSCs, the similarities and differences in lipid homeostasis in stem-like versus more mature AML subtypes as well as from normal HSCs are emerging. Here, we discuss the latest findings from studies of lipid function in LSCs, with a focus on sphingolipids (SLs) as stemness/lineage fate mediators in AML, and the balance of fatty acid anabolism and catabolism fueling metabolic flexibility and drug resistance in AML. We also discuss how designing successful strategies to target lipid vulnerabilities and improve AML patient survival should take into consideration the hierarchical nature of AML.
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13
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Ma H, Qi G, Han F, Peng J, Yuan C, Kong B. PBK drives PARP inhibitor resistance through the TRIM37/NFκB axis in ovarian cancer. EXPERIMENTAL & MOLECULAR MEDICINE 2022; 54:999-1010. [PMID: 35859118 PMCID: PMC9355941 DOI: 10.1038/s12276-022-00809-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/21/2022] [Accepted: 04/27/2022] [Indexed: 11/09/2022]
Abstract
Resistance to PARP inhibitors (PARPi) remains a therapeutic challenge in ovarian cancer patients. PDZ-binding kinase (PBK) participates in the chemoresistance of many malignancies. However, the role of PBK in PARPi resistance of ovarian cancer is obscure. In the current study, we demonstrated that overexpression of PBK contributed to olaparib resistance in ovarian cancer cells. Knockdown of PBK sensitized olaparib-resistant SKOV3 cells to olaparib. Inhibition of PBK using a specific inhibitor enhanced the therapeutic efficiency of olaparib. Mechanically, PBK directly interacted with TRIM37 to promote its phosphorylation and nuclear translocation. which subsequently activates the NFκB pathway. Additionally, PBK enhanced olaparib resistance of ovarian cancer by regulating the NFκB/TRIM37 axis in vitro and in vivo. In conclusion, PBK confers ovarian cancer resistance to PARPi through activating the TRIM37-mediated NFκB pathway, and targeted inhibition of PBK provided the new therapy to improve PARPi treatment outcomes for ovarian cancer patients. An enzyme implicated in tumor progression also helps cancers thwart a commonly used type of targeted drug therapy. Beihua Kong and colleagues from Shandong University, Jinan, China, showed how PDZ-binding kinase (PBK), an enzyme that promotes the proliferation and spread of cancer cells, activates a signaling pathway that renders tumors resistant to treatment with olaparib. This precision anti-cancer drug works by blocking a protein called PARP that normally helps cells repair damaged DNA. The researchers showed how PBK interacts with another protein to stimulate a transcription factor previously shown to reduce the effectiveness of radiation and chemotherapy. Blocking the activity of PBK, either pharmacologically or genetically, enhanced the sensitivity of ovarian cancer cells to olaparib. A similar drug strategy could help improve outcomes for cancer patients undergoing PARP inhibitor treatment.
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Affiliation(s)
- Hanlin Ma
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250012, China.,Gynecologic Oncology Key Laboratory of Shandong Province, Qilu Hospital of Shandong University, Jinan, 250012, China.,School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Gonghua Qi
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250012, China.,Gynecologic Oncology Key Laboratory of Shandong Province, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Fang Han
- Department of Ophthalmology, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Jiali Peng
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250012, China.,Gynecologic Oncology Key Laboratory of Shandong Province, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Cunzhong Yuan
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250012, China.,Gynecologic Oncology Key Laboratory of Shandong Province, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Beihua Kong
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250012, China. .,Gynecologic Oncology Key Laboratory of Shandong Province, Qilu Hospital of Shandong University, Jinan, 250012, China.
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14
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Fakhri S, Moradi SZ, Yarmohammadi A, Narimani F, Wallace CE, Bishayee A. Modulation of TLR/NF-κB/NLRP Signaling by Bioactive Phytocompounds: A Promising Strategy to Augment Cancer Chemotherapy and Immunotherapy. Front Oncol 2022; 12:834072. [PMID: 35299751 PMCID: PMC8921560 DOI: 10.3389/fonc.2022.834072] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 01/26/2022] [Indexed: 12/12/2022] Open
Abstract
Background Tumors often progress to a more aggressive phenotype to resist drugs. Multiple dysregulated pathways are behind this tumor behavior which is known as cancer chemoresistance. Thus, there is an emerging need to discover pivotal signaling pathways involved in the resistance to chemotherapeutic agents and cancer immunotherapy. Reports indicate the critical role of the toll-like receptor (TLR)/nuclear factor-κB (NF-κB)/Nod-like receptor pyrin domain-containing (NLRP) pathway in cancer initiation, progression, and development. Therefore, targeting TLR/NF-κB/NLRP signaling is a promising strategy to augment cancer chemotherapy and immunotherapy and to combat chemoresistance. Considering the potential of phytochemicals in the regulation of multiple dysregulated pathways during cancer initiation, promotion, and progression, such compounds could be suitable candidates against cancer chemoresistance. Objectives This is the first comprehensive and systematic review regarding the role of phytochemicals in the mitigation of chemoresistance by regulating the TLR/NF-κB/NLRP signaling pathway in chemotherapy and immunotherapy. Methods A comprehensive and systematic review was designed based on Web of Science, PubMed, Scopus, and Cochrane electronic databases. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed to include papers on TLR/NF-κB/NLRP and chemotherapy/immunotherapy/chemoresistance by phytochemicals. Results Phytochemicals are promising multi-targeting candidates against the TLR/NF-κB/NLRP signaling pathway and interconnected mediators. Employing phenolic compounds, alkaloids, terpenoids, and sulfur compounds could be a promising strategy for managing cancer chemoresistance through the modulation of the TLR/NF-κB/NLRP signaling pathway. Novel delivery systems of phytochemicals in cancer chemotherapy/immunotherapy are also highlighted. Conclusion Targeting TLR/NF-κB/NLRP signaling with bioactive phytocompounds reverses chemoresistance and improves the outcome for chemotherapy and immunotherapy in both preclinical and clinical stages.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Akram Yarmohammadi
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Narimani
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Carly E. Wallace
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, United States
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, United States
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15
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Wang SY, Shih YH, Shieh TM, Tseng YH. Proteasome Inhibitors Interrupt the Activation of Non-Canonical NF-κB Signaling Pathway and Induce Cell Apoptosis in Cytarabine-Resistant HL60 Cells. Int J Mol Sci 2021; 23:ijms23010361. [PMID: 35008789 PMCID: PMC8745175 DOI: 10.3390/ijms23010361] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
Over half of older patients with acute myeloid leukemia (AML) do not respond to cytotoxic chemotherapy, and most responders relapse because of drug resistance. Cytarabine is the main drug used for the treatment of AML. Intensive treatment with high-dose cytarabine can increase the overall survival rate and reduce the relapse rate, but it also increases the likelihood of drug-related side effects. To optimize cytarabine treatment, understanding the mechanism underlying cytarabine resistance in leukemia is necessary. In this study, the gene expression profiles of parental HL60 cells and cytarabine-resistant HL60 (R-HL60) cells were compared through gene expression arrays. Then, the differential gene expression between parental HL60 and R-HL60 cells was measured using KEGG software. The expression of numerous genes associated with the nuclear factor κB (NF-κB) signaling pathway changed during the development of cytarabine resistance. Proteasome inhibitors inhibited the activity of non-canonical NF-κB signaling pathway and induced the apoptosis of R-HL60 cells. The study results support the application and possible mechanism of proteasome inhibitors in patients with relapsed or refractory leukemia.
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Affiliation(s)
- Shuo-Yu Wang
- Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan;
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Yin-Hwa Shih
- Department of Healthcare Administration, Asia University, Taichung 41354, Taiwan;
| | - Tzong-Ming Shieh
- School of Dentistry, China Medical University, Taichung 40402, Taiwan;
- Department of Dental Hygiene, China Medical University, Taichung 40402, Taiwan
| | - Yu-Hsin Tseng
- Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan;
- Correspondence: ; Tel.: +88-673-121-101 (ext. 6356)
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16
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Fisher-Wellman KH, Hagen JT, Kassai M, Kao LP, Nelson MAM, McLaughlin KL, Coalson HS, Fox TE, Tan SF, Feith DJ, Kester M, Loughran TP, Claxton DF, Cabot MC. Alterations in sphingolipid composition and mitochondrial bioenergetics represent synergistic therapeutic vulnerabilities linked to multidrug resistance in leukemia. FASEB J 2021; 36:e22094. [PMID: 34888943 DOI: 10.1096/fj.202101194rrr] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 11/11/2021] [Accepted: 11/24/2021] [Indexed: 12/23/2022]
Abstract
Modifications in sphingolipid (SL) metabolism and mitochondrial bioenergetics are key factors implicated in cancer cell response to chemotherapy, including chemotherapy resistance. In the present work, we utilized acute myeloid leukemia (AML) cell lines, selected to be refractory to various chemotherapeutics, to explore the interplay between SL metabolism and mitochondrial biology supportive of multidrug resistance (MDR). In agreement with previous findings in cytarabine or daunorubicin resistant AML cells, relative to chemosensitive wildtype controls, HL-60 cells refractory to vincristine (HL60/VCR) presented with alterations in SL enzyme expression and lipidome composition. Such changes were typified by upregulated expression of various ceramide detoxifying enzymes, as well as corresponding shifts in ceramide, glucosylceramide, and sphingomyelin (SM) molecular species. With respect to mitochondria, despite consistent increases in both basal respiration and maximal respiratory capacity, direct interrogation of the oxidative phosphorylation (OXPHOS) system revealed intrinsic deficiencies in HL60/VCR, as well as across multiple MDR model systems. Based on the apparent requirement for augmented SL and mitochondrial flux to support the MDR phenotype, we explored a combinatorial therapeutic paradigm designed to target each pathway. Remarkably, despite minimal cytotoxicity in peripheral blood mononuclear cells (PBMC), co-targeting SL metabolism, and respiratory complex I (CI) induced synergistic cytotoxicity consistently across multiple MDR leukemia models. Together, these data underscore the intimate connection between cellular sphingolipids and mitochondrial metabolism and suggest that pharmacological intervention across both pathways may represent a novel treatment strategy against MDR.
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Affiliation(s)
- Kelsey H Fisher-Wellman
- Department of Physiology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - James T Hagen
- Department of Physiology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Miki Kassai
- Department of Biochemistry & Molecular Biology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Li-Pin Kao
- Department of Biochemistry & Molecular Biology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Margaret A M Nelson
- Department of Physiology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Kelsey L McLaughlin
- Department of Physiology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Hannah S Coalson
- Department of Physiology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
| | - Todd E Fox
- Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Su-Fern Tan
- Department of Medicine, Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - David J Feith
- Department of Medicine, Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, Virginia, USA.,University of Virginia Cancer Center, Charlottesville, Virginia, USA
| | - Mark Kester
- Department of Medicine, Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, Virginia, USA.,University of Virginia Cancer Center, Charlottesville, Virginia, USA
| | - Thomas P Loughran
- Department of Medicine, Hematology/Oncology, University of Virginia School of Medicine, Charlottesville, Virginia, USA.,University of Virginia Cancer Center, Charlottesville, Virginia, USA
| | - David F Claxton
- Department of Medicine, Division of Hematology and Oncology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA.,Penn state Cancer Institute, Hershey, Pennsylvania, USA
| | - Myles C Cabot
- Department of Biochemistry & Molecular Biology, Brody School of Medicine, and the East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA
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17
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Nrf3 Promotes 5-FU Resistance in Colorectal Cancer Cells via the NF- κB/BCL-2 Signaling Pathway In Vitro and In Vivo. JOURNAL OF ONCOLOGY 2021; 2021:9355555. [PMID: 34795760 PMCID: PMC8595022 DOI: 10.1155/2021/9355555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/24/2021] [Accepted: 10/23/2021] [Indexed: 11/28/2022]
Abstract
Increasing evidence indicates that nuclear factor, erythroid 2-like 3 (Nrf3) is connected with tumorigenesis. However, the relationship between Nrf3 and tumor drug resistance remains elusive. In this study, we investigated the effect and mechanism of action by which Nrf3 regulated the sensitivity of colon cancer cells to 5-fluorouracil (5-FU). We found Nrf3 was significantly increased in colon cancer tissues. Furthermore, we observed that Nrf3 knockdown and overexpression can significantly affect the sensitivity of colon cancer cells to 5-FU in vitro and in vivo. Moreover, Nrf3 promoted the expression of RELA, P-RELA, and BCL-2. Inhibition of NF-κB partly reversed the effects of Nrf3 overexpression, resulting in the resistance of colon cancer cells to 5-FU. Overall, the study revealed that Nrf3 was connected to the sensitivity of colon cancer cells to 5-FU, and its possible mechanism was related to the NF-κB signaling pathway, which provided a new target for overcoming the resistance of colon cancer cells to 5-FU.
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18
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Structure activity relationships and the binding mode of quinolinone-pyrimidine hybrids as reversal agents of multidrug resistance mediated by P-gp. Sci Rep 2021; 11:16856. [PMID: 34413359 PMCID: PMC8376931 DOI: 10.1038/s41598-021-96226-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/06/2021] [Indexed: 02/07/2023] Open
Abstract
P-gp-associated multidrug resistance is a major impediment to the success of chemotherapy. With the aim of finding non-toxic and effective P-gp inhibitors, we investigated a panel of quinolin-2-one-pyrimidine hybrids. Among the active compounds, two of them significantly increased intracellular doxorubicin and rhodamine 123 accumulation by inhibiting the efflux mediated by P-gp and restored doxorubicin toxicity at nanomolar range. Structure-activity relationships showed that the number of methoxy groups, an optimal length of the molecule in its extended conformation, and at least one flexible methylene group bridging the quinolinone to the moiety bearing the pyrimidine favored the inhibitory potency of P-gp. The best compounds showed a similar binding pattern and interactions to those of doxorubicin and tariquidar, as revealed by MD and hybrid QM/MM simulations performed with the recent experimental structure of P-gp co-crystallized with paclitaxel. Analysis of the molecular interactions stabilizing the different molecular complexes determined by MD and QTAIM showed that binding to key residues from TMH 4-7 and 12 is required for inhibition.
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19
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Ge W, Wang Y, Zheng S, Zhao D, Wang X, Zhang X, Hu Y. Nuclear iASPP determines cell fate by selectively inhibiting either p53 or NF-κB. Cell Death Discov 2021; 7:195. [PMID: 34312379 PMCID: PMC8313550 DOI: 10.1038/s41420-021-00582-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 06/05/2021] [Indexed: 01/15/2023] Open
Abstract
p53 and NF-κBp65 are essential transcription factors (TFs) in the cellular response to stress. Two signaling systems can often be entwined together and generally produce opposing biological outcomes in a cell context-dependent manner. Inhibitor of apoptosis-stimulating protein of p53 (iASPP) has the potential to inhibit both p53 and NF-κBp65, yet how such activities of iASPP are integrated with cancer remains unknown. Here, we utilized different cell models with diverse p53/NF-κBp65 activities. An iASPP(295–828) mutant, which is exclusively located in the nucleus and has been shown to be essential for its inhibitory effects on p53/NF-κBp65, was used to investigate the functional interaction between iASPP and the two TFs. The results showed that iASPP inhibits apoptosis under conditions when p53 is activated, while it can also elicit a proapoptotic effect when NF-κBp65 alone is activated. Furthermore, we demonstrated that iASPP inhibited the transcriptional activity of p53/NF-κBp65, but with a preference toward p53, thereby producing an antiapoptotic outcome when both TFs were simultaneously activated. This may be due to stronger binding between p53 and iASPP than NF-κBp65 and iASPP. Overall, these findings provide important insights into how the activities of p53 and NF-κBp65 are modulated by iASPP. Despite being a well-known oncogene, iASPP may have a proapoptotic role, which will guide the development of iASPP-targeted therapies to reach optimal outcomes in the future.
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Affiliation(s)
- Wenjie Ge
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China
| | - Yudong Wang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China
| | - Shanliang Zheng
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China
| | - Dong Zhao
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China
| | - Xingwen Wang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China
| | - Xiaoshi Zhang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
| | - Ying Hu
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150001, China. .,Shenzhen Graduate School of Harbin Institute of Technology, Shenzhen, 518055, China.
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20
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Acute Myeloid Leukemia Mutations and Future Mechanistic Target to Overcome Resistance. Curr Treat Options Oncol 2021; 22:76. [PMID: 34213682 DOI: 10.1007/s11864-021-00880-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2021] [Indexed: 12/24/2022]
Abstract
OPINION STATEMENT Cytogenetics and mutation identification in acute myeloid leukemia have allowed for more targeted therapy. Many therapies have been approved by the FDA in the last 3 years including gilteritinib and azacitidine but the overall survival has remained stagnant at 25%. The inability to achieve complete remission was related to the residual leukemic stem cells (LSCs). Thus, the relationship between bone marrow niche and LSCs must be further explored to prevent treatment relapse/resistance. The development of immunotherapy and nanotechnology may play a role in future therapy to achieve the complete remission. Nano-encapsulation of drugs can improve drugs' bioavailability, help drugs evade resistance, and provide combination therapy directly to the cancer cells. Studies indicate targeting surface antigens such as CLL1 and CD123 using chimeric antibody receptor T cells can improve survival outcomes. Finally, new discoveries indicate that inhibiting integrin αvβ3 and acid ceramidase may prove to be efficacious.
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21
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Malvi P, Janostiak R, Nagarajan A, Zhang X, Wajapeyee N. N-acylsphingosine amidohydrolase 1 promotes melanoma growth and metastasis by suppressing peroxisome biogenesis-induced ROS production. Mol Metab 2021; 48:101217. [PMID: 33766731 PMCID: PMC8081993 DOI: 10.1016/j.molmet.2021.101217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 03/02/2021] [Accepted: 03/17/2021] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE Metabolic deregulation is a key hallmark of cancer cells and has been shown to drive cancer growth and metastasis. However, not all metabolic drivers of melanoma are known. Based on our finding that N-acylsphingosine amidohydrolase 1 (ASAH1) is overexpressed in melanoma, the objective of these studies was to establish its role in melanoma tumor growth and metastasis, understand its mechanism of action, and evaluate ASAH1 targeting for melanoma therapy. METHODS We used publicly available melanoma datasets and patient-derived samples of melanoma and normal skin tissue and analyzed them for ASAH1 mRNA expression and ASAH1 protein expression using immunohistochemistry. ASAH1 was knocked down using short-hairpin RNAs in multiple melanoma cell lines that were tested in a series of cell culture-based assays and mouse-based melanoma xenograft assays to monitor the effect of ASAH1 knockdown on melanoma tumor growth and metastasis. An unbiased metabolomics analysis was performed to identify the mechanism of ASAH1 action. Based on the metabolomics findings, the role of peroxisome-mediated reactive oxygen species (ROS) production was explored in regard to mediating the effect of ASAH1. The ASAH1 inhibitor was used alone or in combination with a BRAFV600E inhibitor to evaluate the therapeutic value of ASAH1 targeting for melanoma therapy. RESULTS We determined that ASAH1 was overexpressed in a large percentage of melanoma cells and regulated by transcription factor E2F1 in a mitogen-activated protein (MAP) kinase pathway-dependent manner. ASAH1 expression was necessary to maintain melanoma tumor growth and metastatic attributes in cell cultures and mouse models of melanoma tumor growth and metastasis. To identify the mechanism by which ASAH1 facilitates melanoma tumor growth and metastasis, we performed a large-scale and unbiased metabolomics analysis of melanoma cells expressing ASAH1 short-hairpin RNAs (shRNAs). We found that ASAH1 inhibition increased peroxisome biogenesis through ceramide-mediated PPARγ activation. ASAH1 loss increased ceramide and peroxisome-derived ROS, which in turn inhibited melanoma growth. Pharmacological inhibition of ASAH1 also attenuated melanoma growth and enhanced the effectiveness of BRAF kinase inhibitor in the cell cultures and mice. CONCLUSIONS Collectively, these results demonstrate that ASAH1 is a druggable driver of melanoma tumor growth and metastasis that functions by suppressing peroxisome biogenesis, thereby inhibiting peroxisome-derived ROS production. These studies also highlight the therapeutic utility of ASAH1 inhibitors for melanoma therapy.
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Affiliation(s)
- Parmanand Malvi
- Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Alabama, 35233, USA
| | - Radoslav Janostiak
- Department of Pathology, Yale University School of Medicine, New Haven, CT, 06510, USA; Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Barcelona, 08028, Spain
| | - Arvindhan Nagarajan
- Department of Pathology, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Xuchen Zhang
- Department of Pathology, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Narendra Wajapeyee
- Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Alabama, 35233, USA.
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22
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Peixoto da Silva S, Caires HR, Bergantim R, Guimarães JE, Vasconcelos MH. miRNAs mediated drug resistance in hematological malignancies. Semin Cancer Biol 2021; 83:283-302. [PMID: 33757848 DOI: 10.1016/j.semcancer.2021.03.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/11/2021] [Accepted: 03/16/2021] [Indexed: 12/12/2022]
Abstract
Despite improvements in the therapeutic approaches for hematological malignancies in the last decades, refractory disease still occurs, and cancer drug resistance still remains a major hurdle in the clinical management of these cancer patients. The investigation of this problem has been extensive and different mechanism and molecules have been associated with drug resistance. MicroRNAs (miRNAs) have been described as having an important action in the emergence of cancer, including hematological tumors, and as being major players in their progression, aggressiveness and response to treatments. Moreover, miRNAs have been strongly associated with cancer drug resistance and with the modulation of the sensitivity of cancer cells to a wide array of anticancer drugs. Furthermore, this role has also been reported for miRNAs packaged into extracellular vesicles (EVs-miRNAs), which in turn have been described as essential for the horizontal transfer of drug resistance to sensitive cells. Several studies have been suggesting the use of miRNAs as biomarkers for drug response and clinical outcome prediction, as well as promising therapeutic tools in hematological diseases. Indeed, the combination of miRNA-based therapeutic tools with conventional drugs contributes to overcome drug resistance. This review addresses the role of miRNAs in the pathogenesis of hematological malignances, namely multiple myeloma, leukemias and lymphomas, highlighting their important action (either in their cell-free circulating form or within circulating EVs) in drug resistance and their potential clinical applications.
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Affiliation(s)
- Sara Peixoto da Silva
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135, Porto, Portugal
| | - Hugo R Caires
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135, Porto, Portugal
| | - Rui Bergantim
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135, Porto, Portugal; Clinical Hematology, Hospital São João, 4200-319, Porto, Portugal; Clinical Hematology, FMUP - Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal
| | - José E Guimarães
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135, Porto, Portugal; Clinical Hematology, FMUP - Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal; Instituto Universitário de Ciências da Saúde, Cooperativa de Ensino Superior Politécnico e Universitário, IUCSCESPU, 4585-116, Gandra, Paredes, Portugal
| | - M Helena Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135, Porto, Portugal; Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal.
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23
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Bielsa N, Casasampere M, Aseeri M, Casas J, Delgado A, Abad JL, Fabriàs G. Discovery of deoxyceramide analogs as highly selective ACER3 inhibitors in live cells. Eur J Med Chem 2021; 216:113296. [PMID: 33677352 DOI: 10.1016/j.ejmech.2021.113296] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/27/2021] [Accepted: 02/12/2021] [Indexed: 12/13/2022]
Abstract
Acid (AC), neutral (NC) and alkaline ceramidase 3 (ACER3) are the most ubiquitous ceramidases and their therapeutic interest as targets in cancer diseases has been well sustained. This supports the importance of discovering potent and specific inhibitors for further use in combination therapies. Although several ceramidase inhibitors have been reported, most of them target AC and a few focus on NC. In contrast, well characterized ACER3 inhibitors are lacking. Here we report on the synthesis and screening of two series of 1-deoxy(dihydro)ceramide analogs on the three enzymes. Activity was determined using fluorogenic substrates in recombinant human NC (rhNC) and both lysates and intact cells enriched in each enzyme. None of the molecules elicited a remarkable AC inhibitory activity in either experimental setup, while using rhNC, several compounds of both series were active as non-competitive inhibitors with Ki values between 1 and 5 μM. However, a dramatic loss of potency occurred in NC-enriched cell lysates and no activity was elicited in intact cells. Interestingly, several compounds of Series 2 inhibited ACER3 dose-dependently in both cell lysates and intact cells with IC50's around 20 μM. In agreement with their activity in live cells, they provoked a significant increase in the amounts of ceramides. Overall, this study identifies highly selective ACER3 activity blockers in intact cells, opening the door to further medicinal chemistry efforts aimed at developing more potent and specific compounds.
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Affiliation(s)
- Núria Bielsa
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain
| | - Mireia Casasampere
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain
| | - Mazen Aseeri
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain
| | - Josefina Casas
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain; Liver and Digestive Diseases Networking Biomedical Research Centre (CIBEREHD), ISCIII, 28029, Madrid, Spain
| | - Antonio Delgado
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain; Department of Pharmacology, Toxicology and Medicinal Chemistry, Unit of Pharmaceutical Chemistry (Associated Unit to CSIC). Faculty of Pharmacy. University of Barcelona (UB). Avda. Joan XXIII 27-31, 08028, Barcelona, Spain
| | - José Luis Abad
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain.
| | - Gemma Fabriàs
- Research Unit on BioActive Molecules, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18, 08034, Barcelona, Spain; Liver and Digestive Diseases Networking Biomedical Research Centre (CIBEREHD), ISCIII, 28029, Madrid, Spain.
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24
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Hu Y, Fu Y, Jin S, Fu H, Qiao H, Zhang W, Jiang S, Gong Y, Xiong Y, Wu Y, Wang Y, Xu L. Comparative transcriptome analysis of lethality in response to RNA interference of the oriental river prawn (Macrobrachium nipponense). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 38:100802. [PMID: 33578185 DOI: 10.1016/j.cbd.2021.100802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 02/04/2021] [Accepted: 02/04/2021] [Indexed: 12/22/2022]
Abstract
A previous study identified slow-tonic S2 tropomyosin and slow tropomyosin isoform as sex-related genes in Macrobrachium nipponense. Their functions were analyzed using RNA interference. However, more than half of the specimens died approximately 8-12 h after injection of the respective double-stranded RNAs (dsRNAs), and HE staining indicated that the heart and gills were the most likely tissues responsible for the resultant deaths. In the current study, we conducted a comparative transcriptomic study of the gills and hearts of M. nipponense to identify potential target genes associated with acute death after dsRNA injection. A total of 68,772 annotated unigenes were generated. In the heart, differentially expressed genes (DEGs) were mainly enriched in glycolysis/gluconeogenesis and oxidative phosphorylation, while the most relevant pathways in the gills were lysosome, phagosome, and peroxisome. Ten DEGs were screened out and analyzed under lethal hypoxic stress. Among these, fructose 1, 6-biphosphate-aldolase (FBA), glyceraldehyde 3-phosphate dehydrogenase (GDPDH), alcohol dehydrogenase class-3 (ADC3), ATP-synthase subunit 9 (ATPS9), and acid ceramidase-like (ACL) were all differentially expressed under hypoxic conditions. This study shed light on the lethal mechanism caused by interference with tropomyosin genes in M. nipponense, and identifies the related pathways and key genes that could help to improve stress resistance and tolerance in M. nipponense.
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Affiliation(s)
- Yuning Hu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, PR China.
| | - Yin Fu
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, PR China
| | - Shubo Jin
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Hongtuo Fu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, PR China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Hui Qiao
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Wenyi Zhang
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Sufei Jiang
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Yongsheng Gong
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Yiwei Xiong
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China.
| | - Yan Wu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, PR China
| | - Yabing Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, PR China.
| | - Lei Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, PR China.
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25
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Zhang X, Shan S, Shi J, Li H, Li Z. Polyphenol from millet bran increases the sensitivity of colorectal cancer cells to oxaliplatin by blocking the ganglioside GM3 catabolism. Food Funct 2021; 12:291-301. [DOI: 10.1039/d0fo02232b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The study implies that bound polyphenol from millet bran dramatically prevents ganglioside GM3 catabolism followed by the suppression of P-gp, which eventually reverse drug-resistance in colorectal cancer cells to oxaliplatin.
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Affiliation(s)
- Xiaoli Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education
- Institute of Biotechnology
- Shanxi University
- Taiyuan
- China
| | - Shuhua Shan
- Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education
- Institute of Biotechnology
- Shanxi University
- Taiyuan
- China
| | - Jiangying Shi
- Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education
- Institute of Biotechnology
- Shanxi University
- Taiyuan
- China
| | - Hanqing Li
- School of Life Science
- Shanxi University
- Taiyuan
- China
| | - Zhuoyu Li
- Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education
- Institute of Biotechnology
- Shanxi University
- Taiyuan
- China
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26
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Li X, He Y, Wei L, Zhang J, Li X, Cui W, Zhang S. Physcion-8-O-β-d-glucoside interferes with the nuclear factor-κB pathway and downregulates P-glycoprotein expression to reduce paclitaxel resistance in ovarian cancer cells. J Pharm Pharmacol 2020; 73:545-552. [PMID: 33793827 DOI: 10.1093/jpp/rgaa025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 10/19/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVE This study assessed whether physcion-8-O-beta-D-monoglucoside (PG) sensitises paclitaxel (PTX)-resistant ovarian cancer cells and explored the underlying mechanism. METHODS Ovarian cancer SK-OV-3 cells were used to establish PTX-resistant SK-OV-3 (SK-OV-3/PTX) cells. The Cell Counting Kit-8 assay and crystal violet staining were used to determine cell viability. P-glycoprotein (P-gp) and nuclear factor (NF)-κB expression and cell distributions were detected using immunofluorescence. Cell apoptosis and protein expression changes were detected using flow cytometry and western blotting, respectively. Effect of PG in vivo was evaluated using a xenograft tumour model. P-gp expression in tumour tissues was detected using immunohistochemical staining. KEY FINDINGS PG (1-10 μm) did not significantly affect SK-OV-3/PTX cell proliferation but significantly downregulated P-gp expression. PG pretreatment (1-10 μm) enhanced PTX cytotoxicity. PG treatment decreased the quantity of phosphorylated-NF-κB p65 in SK-OV-3/PTX cell total proteins and upregulated IKBα expression. Simultaneously, it decreased NF-κB p65 levels in nuclear proteins. PG (1-10 μm) inhibited NF-κB p65 entry into the nucleus. PTX plus PG significantly inhibited SK-OV-3/PTX xenograft tumour growth. PG (1-10 μm) reduced P-gp expression in transplanted tumour tissue. CONCLUSIONS PG can enhance the sensitivity of PTX-resistant ovarian cancer cells SK-OV-3/PTX to PTX, and this effect is related to inhibiting NF-κB from entering the nucleus and down-regulating the expression of P-gp protein.
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Affiliation(s)
- Xue Li
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Yuanqi He
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Liqun Wei
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Jianzhong Zhang
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Xiaoxiao Li
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Weiwei Cui
- Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
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Fisher-Wellman KH, Hagen JT, Neufer PD, Kassai M, Cabot MC. On the nature of ceramide-mitochondria interactions - Dissection using comprehensive mitochondrial phenotyping. Cell Signal 2020; 78:109838. [PMID: 33212155 DOI: 10.1016/j.cellsig.2020.109838] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 02/06/2023]
Abstract
Sphingolipids are a unique class of lipids owing to their non-glycerol-containing backbone, ceramide, that is constructed from a long-chain aliphatic amino alcohol, sphinganine, to which a fatty acid is attached via an amide bond. Ceramide plays a star role in the initiation of apoptosis by virtue of its interactions with mitochondria, a control point for a downstream array of signaling cascades culminating in apoptosis. Many pathways converge on mitochondria to elicit mitochondrial outer membrane permeabilization (MOMP), a step that corrupts bioenergetic service. Although much is known regarding ceramides interaction with mitochondria and the ensuing cell signal transduction cascades, how ceramide impacts the elements of mitochondrial bioenergetic function is poorly understood. The objective of this review is to introduce the reader to sphingolipid metabolism, present a snapshot of mitochondrial respiration, elaborate on ceramides convergence on mitochondria and the upstream players that collaborate to elicit MOMP, and introduce a mitochondrial phenotyping platform that can be of utility in dissecting the fine-points of ceramide impact on cellular bioenergetics.
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Affiliation(s)
- Kelsey H Fisher-Wellman
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States of America; East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, United States of America.
| | - James T Hagen
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States of America; East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, United States of America
| | - P Darrell Neufer
- East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, United States of America
| | - Miki Kassai
- Department of Biochemistry and Molecular Biology, Brody School of Medicine, East Carolina University, Greenville, NC, United States of America; East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, United States of America
| | - Myles C Cabot
- Department of Biochemistry and Molecular Biology, Brody School of Medicine, East Carolina University, Greenville, NC, United States of America; East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, United States of America.
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Nair R, Salinas-Illarena A, Baldauf HM. New strategies to treat AML: novel insights into AML survival pathways and combination therapies. Leukemia 2020; 35:299-311. [PMID: 33122849 DOI: 10.1038/s41375-020-01069-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022]
Abstract
The effective treatment of acute myeloid leukemia (AML) is very challenging. Due to the immense heterogeneity of this disease, treating it using a "one size fits all" approach is ineffective and only benefits a subset of patients. Instead, there is a shift towards more personalized treatment based on the patients' genomic signature. This shift has facilitated the increased revelation of novel insights into pathways that lead to the survival and propagation of AML cells. These AML survival pathways are involved in drug resistance, evasion of the immune system, reprogramming metabolism, and impairing differentiation. In addition, based on the reports of enhanced clinical efficiencies when combining drugs or treatments, deeper investigation into possible pathways, which can be targeted together to increase treatment response in a wider group of patients, is warranted. In this review, not only is a comprehensive summary of targets involved in these pathways provided, but also insights into the potential of targeting these molecules in combination therapy will be discussed.
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Affiliation(s)
- Ramya Nair
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Alejandro Salinas-Illarena
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany.
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29
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Duarte C, Akkaoui J, Yamada C, Ho A, Mao C, Movila A. Elusive Roles of the Different Ceramidases in Human Health, Pathophysiology, and Tissue Regeneration. Cells 2020; 9:cells9061379. [PMID: 32498325 PMCID: PMC7349419 DOI: 10.3390/cells9061379] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 12/29/2022] Open
Abstract
Ceramide and sphingosine are important interconvertible sphingolipid metabolites which govern various signaling pathways related to different aspects of cell survival and senescence. The conversion of ceramide into sphingosine is mediated by ceramidases. Altogether, five human ceramidases—named acid ceramidase, neutral ceramidase, alkaline ceramidase 1, alkaline ceramidase 2, and alkaline ceramidase 3—have been identified as having maximal activities in acidic, neutral, and alkaline environments, respectively. All five ceramidases have received increased attention for their implications in various diseases, including cancer, Alzheimer’s disease, and Farber disease. Furthermore, the potential anti-inflammatory and anti-apoptotic effects of ceramidases in host cells exposed to pathogenic bacteria and viruses have also been demonstrated. While ceramidases have been a subject of study in recent decades, our knowledge of their pathophysiology remains limited. Thus, this review provides a critical evaluation and interpretive analysis of existing literature on the role of acid, neutral, and alkaline ceramidases in relation to human health and various diseases, including cancer, neurodegenerative diseases, and infectious diseases. In addition, the essential impact of ceramidases on tissue regeneration, as well as their usefulness in enzyme replacement therapy, is also discussed.
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Affiliation(s)
- Carolina Duarte
- Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA; (J.A.); (C.Y.); (A.H.)
- Correspondence: (C.D.); (A.M.); Tel.: +1-954-262-7306 (A.M.)
| | - Juliet Akkaoui
- Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA; (J.A.); (C.Y.); (A.H.)
| | - Chiaki Yamada
- Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA; (J.A.); (C.Y.); (A.H.)
| | - Anny Ho
- Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA; (J.A.); (C.Y.); (A.H.)
| | - Cungui Mao
- Department of Medicine, The State University of New York at Stony Brook, Stony Brook, NY 11794, USA;
- Cancer Center, The State University of New York at Stony Brook, Stony Brook, NY 11794, USA
| | - Alexandru Movila
- Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA; (J.A.); (C.Y.); (A.H.)
- Institute for Neuro-Immune Medicine, Nova Southeastern University, Fort Lauderdale, FL 33324, USA
- Correspondence: (C.D.); (A.M.); Tel.: +1-954-262-7306 (A.M.)
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30
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Long L, Assaraf YG, Lei ZN, Peng H, Yang L, Chen ZS, Ren S. Genetic biomarkers of drug resistance: A compass of prognosis and targeted therapy in acute myeloid leukemia. Drug Resist Updat 2020; 52:100703. [PMID: 32599434 DOI: 10.1016/j.drup.2020.100703] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 12/17/2022]
Abstract
Acute myeloid leukemia (AML) is a highly aggressive hematological malignancy with complex heterogenous genetic and biological nature. Thus, prognostic prediction and targeted therapies might contribute to better chemotherapeutic response. However, the emergence of multidrug resistance (MDR) markedly impedes chemotherapeutic efficacy and dictates poor prognosis. Therefore, prior evaluation of chemoresistance is of great importance in therapeutic decision making and prognosis. In recent years, preclinical studies on chemoresistance have unveiled a compendium of underlying molecular basis, which facilitated the development of targetable small molecules. Furthermore, routing genomic sequencing has identified various genomic aberrations driving cellular response during the course of therapeutic treatment through adaptive mechanisms of drug resistance, some of which serve as prognostic biomarkers in risk stratification. However, the underlying mechanisms of MDR have challenged the certainty of the prognostic significance of some mutations. This review aims to provide a comprehensive understanding of the role of MDR in therapeutic decision making and prognostic prediction in AML. We present an updated genetic landscape of the predominant mechanisms of drug resistance with novel targeted therapies and potential prognostic biomarkers from preclinical and clinical chemoresistance studies in AML. We particularly highlight the unfolded protein response (UPR) that has emerged as a critical regulatory pathway in chemoresistance of AML with promising therapeutic horizon. Futhermore, we outline the most prevalent mutations associated with mechanisms of chemoresistance and delineate the future directions to improve the current prognostic tools. The molecular analysis of chemoresistance integrated with genetic profiling will facilitate decision making towards personalized prognostic prediction and enhanced therapeutic efficacy.
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MESH Headings
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Biomarkers, Tumor/antagonists & inhibitors
- Biomarkers, Tumor/genetics
- Disease-Free Survival
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Multiple/genetics
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/mortality
- Molecular Targeted Therapy/methods
- Mutation
- Neoplasm Recurrence, Local/epidemiology
- Neoplasm Recurrence, Local/genetics
- Neoplasm Recurrence, Local/prevention & control
- Precision Medicine/methods
- Prognosis
- Unfolded Protein Response/genetics
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Affiliation(s)
- Luyao Long
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China; Graduate School, Chinese Academy of Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing Hospital, Beijing, P.R. China
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa, 3200003, Israel
| | - Zi-Ning Lei
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA; School of Public Health, Guangzhou Medical University, Guangzhou, P.R. China
| | - Hongwei Peng
- Department of Pharmacy, First Affiliated Hospital of Nanchang University, Nanchang, P.R. China
| | - Lin Yang
- Department of Hematology, the Second Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Zhe-Sheng Chen
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
| | - Simei Ren
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China; Graduate School, Chinese Academy of Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing Hospital, Beijing, P.R. China.
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31
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Pearson JM, Tan SF, Sharma A, Annageldiyev C, Fox TE, Abad JL, Fabrias G, Desai D, Amin S, Wang HG, Cabot MC, Claxton DF, Kester M, Feith DJ, Loughran TP. Ceramide Analogue SACLAC Modulates Sphingolipid Levels and MCL-1 Splicing to Induce Apoptosis in Acute Myeloid Leukemia. Mol Cancer Res 2019; 18:352-363. [PMID: 31744877 DOI: 10.1158/1541-7786.mcr-19-0619] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/30/2019] [Accepted: 11/15/2019] [Indexed: 02/06/2023]
Abstract
Acute myeloid leukemia (AML) is a disease characterized by uncontrolled proliferation of immature myeloid cells in the blood and bone marrow. The 5-year survival rate is approximately 25%, and recent therapeutic developments have yielded little survival benefit. Therefore, there is an urgent need to identify novel therapeutic targets. We previously demonstrated that acid ceramidase (ASAH1, referred to as AC) is upregulated in AML and high AC activity correlates with poor patient survival. Here, we characterized a novel AC inhibitor, SACLAC, that significantly reduced the viability of AML cells with an EC50 of approximately 3 μmol/L across 30 human AML cell lines. Treatment of AML cell lines with SACLAC effectively blocked AC activity and induced a decrease in sphingosine 1-phosphate and a 2.5-fold increase in total ceramide levels. Mechanistically, we showed that SACLAC treatment led to reduced levels of splicing factor SF3B1 and alternative MCL-1 mRNA splicing in multiple human AML cell lines. This increased proapoptotic MCL-1S levels and contributed to SACLAC-induced apoptosis in AML cells. The apoptotic effects of SACLAC were attenuated by SF3B1 or MCL-1 overexpression and by selective knockdown of MCL-1S. Furthermore, AC knockdown and exogenous C16-ceramide supplementation induced similar changes in SF3B1 level and MCL-1S/L ratio. Finally, we demonstrated that SACLAC treatment leads to a 37% to 75% reduction in leukemic burden in two human AML xenograft mouse models. IMPLICATIONS: These data further emphasize AC as a therapeutic target in AML and define SACLAC as a potent inhibitor to be further optimized for future clinical development.
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Affiliation(s)
- Jennifer M Pearson
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia
| | - Su-Fern Tan
- Department of Medicine, Division of Hematology & Oncology, University of Virginia, Charlottesville, Virginia
| | - Arati Sharma
- Penn State Cancer Institute, Hershey, Pennsylvania.,Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania
| | | | - Todd E Fox
- Department of Pharmacology, University of Virginia, Charlottesville, Virginia
| | - Jose Luis Abad
- Department of Biological Chemistry, Networking Biomedical Research Centre on Liver and Digestive Diseases (CIBER-EHD), Institute for Advanced Chemistry of Catalonia, Spanish National Research Council (IQAC-CSIC), Barcelona, Spain
| | - Gemma Fabrias
- Department of Biological Chemistry, Networking Biomedical Research Centre on Liver and Digestive Diseases (CIBER-EHD), Institute for Advanced Chemistry of Catalonia, Spanish National Research Council (IQAC-CSIC), Barcelona, Spain
| | - Dhimant Desai
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania
| | - Shantu Amin
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania
| | - Hong-Gang Wang
- Penn State Cancer Institute, Hershey, Pennsylvania.,Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania
| | - Myles C Cabot
- Department of Biochemistry and Molecular Biology, East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina
| | | | - Mark Kester
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania.,University of Virginia Cancer Center, Charlottesville, Virginia
| | - David J Feith
- Department of Medicine, Division of Hematology & Oncology, University of Virginia, Charlottesville, Virginia.,University of Virginia Cancer Center, Charlottesville, Virginia
| | - Thomas P Loughran
- Department of Medicine, Division of Hematology & Oncology, University of Virginia, Charlottesville, Virginia. .,University of Virginia Cancer Center, Charlottesville, Virginia
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32
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Lai M, La Rocca V, Amato R, Freer G, Pistello M. Sphingolipid/Ceramide Pathways and Autophagy in the Onset and Progression of Melanoma: Novel Therapeutic Targets and Opportunities. Int J Mol Sci 2019; 20:ijms20143436. [PMID: 31336922 PMCID: PMC6678284 DOI: 10.3390/ijms20143436] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/04/2019] [Accepted: 07/08/2019] [Indexed: 12/20/2022] Open
Abstract
Melanoma is a malignant tumor deriving from neoplastic transformation of melanocytes. The incidence of melanoma has increased dramatically over the last 50 years. It accounts for most cases of skin cancer deaths. Early diagnosis leads to remission in 90% of cases of melanoma; conversely, for melanoma at more advanced stages, prognosis becomes more unfavorable also because dvanced melanoma is often resistant to pharmacological and radiological therapies due to genetic plasticity, presence of cancer stem cells that regenerate the tumor, and efficient elimination of drugs. This review illustrates the role of autophagy in tumor progression and resistance to therapy, focusing on molecular targets for future drugs.
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Affiliation(s)
- Michele Lai
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy
| | - Veronica La Rocca
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy
| | - Rachele Amato
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy
| | - Giulia Freer
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy
| | - Mauro Pistello
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy.
- Virology Unit, Pisa University Hospital, 56127 Pisa, Italy.
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