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Suzuki M, Kobayashi H, Hara D, Hanaoka H. Elimination of radiation-induced senescent cancer cells and stromal cells in vitro by near-infrared photoimmunotherapy. Cancer Med 2024; 13:e7381. [PMID: 38888415 PMCID: PMC11184651 DOI: 10.1002/cam4.7381] [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: 11/17/2023] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/20/2024] Open
Abstract
INTRODUCTION Therapy-induced senescent cancer and stromal cells secrete cytokines and growth factors to promote tumor progression. Therefore, senescent cells may be novel targets for tumor treatment. Near-infrared photoimmunotherapy (NIR-PIT) is a highly tumor-selective therapy that employs conjugates of a molecular-targeting antibody and photoabsorber. Thus, NIR-PIT has the potential to be applied as a novel senolytic therapy. This study aims to investigate the efficacy of NIR-PIT treatment on senescent cancer and stromal cells. METHODS Two cancer cell lines (human lung adenocarcinoma A549 cells and human pancreatic cancer MIA PaCa-2 cells) and two normal cell lines (mouse fibroblast transfected with human epidermal growth factor receptor 2 [HER2] cells and human fibroblast WI38 cells) were used. The cytotoxicity of NIR-PIT was evaluated using anti-epidermal growth factor receptor (EGFR) antibody panitumumab and anti-HER2 antibody transtuzumab. RESULTS Cellular senescence was induced in A549 and MIA PaCa-2 cells by 10 Gy γ-irradiation. The up-regulation of cellular senescence markers and characteristic morphological changes in senescent cells, including enlargement, flattening, and multinucleation, were observed in cancer cells after 5 days of γ-irradiation. Then, NIR-PIT targeting EGFR was performed on these senescent cancer cells. The NIR-PIT induced morphological changes, including bleb formation, swelling, and the inflow of extracellular fluid, and induced a significant decrease in cellular viability. These results suggested that NIR-PIT may induce cytotoxicity using the same mechanism in senescent cancer cells. In addition, similar morphological changes were also induced in radiation-induced senescent 3T3-HER2 fibroblasts by NIR-PIT targeting human epidermal growth factor receptor 2. CONCLUSION NIR-PIT eliminates both senescent cancer and stromal cells in vitro suggesting it may be a novel strategy for tumor treatment.
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Affiliation(s)
- Motofumi Suzuki
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer ResearchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Daiki Hara
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
| | - Hirofumi Hanaoka
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
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2
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Hermosilla-Trespaderne M, Hu-Yang MX, Dannoura A, Frey AM, George AL, Trost M, Marín-Rubio JL. Proteomic Analysis Reveals Trilaciclib-Induced Senescence. Mol Cell Proteomics 2024; 23:100778. [PMID: 38679389 PMCID: PMC11141265 DOI: 10.1016/j.mcpro.2024.100778] [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: 09/26/2023] [Revised: 03/13/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024] Open
Abstract
Trilaciclib, a cyclin-dependent kinase 4/6 inhibitor, was approved as a myeloprotective agent for protecting bone marrow from chemotherapy-induced damage in extensive-stage small cell lung cancer. This is achieved through the induction of a temporary halt in the cell cycle of bone marrow cells. While it has been studied in various cancer types, its potential in hematological cancers remains unexplored. This research aimed to investigate the efficacy of trilaciclib in hematological cancers. Utilizing mass spectrometry-based proteomics, we examined the alterations induced by trilaciclib in the chronic myeloid leukemia cell line, K562. Interestingly, trilaciclib promoted senescence in these cells rather than cell death, as observed in acute myeloid leukemia, acute lymphoblastic leukemia, and myeloma cells. In K562 cells, trilaciclib hindered cell cycle progression and proliferation by stabilizing cyclin-dependent kinase 4/6 and downregulating cell cycle-related proteins, along with the concomitant activation of autophagy pathways. Additionally, trilaciclib-induced senescence was also observed in the nonsmall cell lung carcinoma cell line, A549. These findings highlight trilaciclib's potential as a therapeutic option for hematological cancers and underscore the need to carefully balance senescence induction and autophagy modulation in chronic myeloid leukemia treatment, as well as in nonsmall cell lung carcinoma cell line.
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Affiliation(s)
- Marina Hermosilla-Trespaderne
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK; Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Mark Xinchen Hu-Yang
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK; Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Abeer Dannoura
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
| | - Andrew M Frey
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
| | - Amy L George
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
| | - Matthias Trost
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK.
| | - José Luis Marín-Rubio
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK; Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
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3
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Silva AO, Bitencourt TC, Vargas JE, Fraga LR, Filippi-Chiela E. Modulation of tumor plasticity by senescent cells: Deciphering basic mechanisms and survival pathways to unravel therapeutic options. Genet Mol Biol 2024; 47Suppl 1:e20230311. [PMID: 38805699 PMCID: PMC11132560 DOI: 10.1590/1678-4685-gmb-2023-0311] [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: 11/02/2023] [Accepted: 03/21/2024] [Indexed: 05/30/2024] Open
Abstract
Senescence is a cellular state in which the cell loses its proliferative capacity, often irreversibly. Physiologically, it occurs due to a limited capacity of cell division associated with telomere shortening, the so-called replicative senescence. It can also be induced early due to DNA damage, oncogenic activation, oxidative stress, or damage to other cellular components (collectively named induced senescence). Tumor cells acquire the ability to bypass replicative senescence, thus ensuring the replicative immortality, a hallmark of cancer. Many anti-cancer therapies, however, can lead tumor cells to induced senescence. Initially, this response leads to a slowdown in tumor growth. However, the longstanding accumulation of senescent cells (SnCs) in tumors can promote neoplastic progression due to the enrichment of numerous molecules and extracellular vesicles that constitutes the senescence-associated secretory phenotype (SASP). Among other effects, SASP can potentiate or unlock the tumor plasticity and phenotypic transitions, another hallmark of cancer. This review discusses how SnCs can fuel mechanisms that underlie cancer plasticity, like cell differentiation, stemness, reprogramming, and epithelial-mesenchymal transition. We also discuss the main molecular mechanisms that make SnCs resistant to cell death, and potential strategies to target SnCs. At the end, we raise open questions and clinically relevant perspectives in the field.
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Affiliation(s)
- Andrew Oliveira Silva
- Faculdade Estácio, Porto Alegre, RS, Brazil
- Centro de Pesquisa Experimental, Hospital de Clínicas de Porto
Alegre, Porto Alegre, RS, Brazil
| | - Thais Cardoso Bitencourt
- Centro de Pesquisa Experimental, Hospital de Clínicas de Porto
Alegre, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação
em Biologia Celular e Molecular, Porto Alegre, RS, Brazil
| | - Jose Eduardo Vargas
- Universidade Federal do Paraná, Departamento de Biologia Celular,
Curitiba, PR, Brazil
| | - Lucas Rosa Fraga
- Centro de Pesquisa Experimental, Hospital de Clínicas de Porto
Alegre, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Departamento de Ciências
Morfológicas, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação
em Medicina: Ciências Médicas, Porto Alegre, RS, Brazil
| | - Eduardo Filippi-Chiela
- Centro de Pesquisa Experimental, Hospital de Clínicas de Porto
Alegre, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Departamento de Ciências
Morfológicas, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Centro de Biotecnologia,
Porto Alegre, RS, Brazil
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Tao W, Yu Z, Han JDJ. Single-cell senescence identification reveals senescence heterogeneity, trajectory, and modulators. Cell Metab 2024; 36:1126-1143.e5. [PMID: 38604170 DOI: 10.1016/j.cmet.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/15/2023] [Accepted: 03/13/2024] [Indexed: 04/13/2024]
Abstract
Cellular senescence underlies many aging-related pathologies, but its heterogeneity poses challenges for studying and targeting senescent cells. We present here a machine learning program senescent cell identification (SenCID), which accurately identifies senescent cells in both bulk and single-cell transcriptome. Trained on 602 samples from 52 senescence transcriptome datasets spanning 30 cell types, SenCID identifies six major senescence identities (SIDs). Different SIDs exhibit different senescence baselines, stemness, gene functions, and responses to senolytics. SenCID enables the reconstruction of senescent trajectories under normal aging, chronic diseases, and COVID-19. Additionally, when applied to single-cell Perturb-seq data, SenCID helps reveal a hierarchy of senescence modulators. Overall, SenCID is an essential tool for precise single-cell analysis of cellular senescence, enabling targeted interventions against senescent cells.
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Affiliation(s)
- Wanyu Tao
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Zhengqing Yu
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Jing-Dong J Han
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China; Peking University Chengdu Academy for Advanced Interdisciplinary Biotechnologies, Chengdu, China.
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Hsu JY, Lam KC, Shih J, Pinello L, Joung JK. MOSAIC enables in situ saturation mutagenesis of genes and CRISPR prime editing guide RNA optimization in human cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.25.591078. [PMID: 38712243 PMCID: PMC11071466 DOI: 10.1101/2024.04.25.591078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
CRISPR prime editing offers unprecedented versatility and precision for the installation of genetic edits in situ . Here we describe the development and characterization of the Multiplexing Of Site-specific Alterations for In situ Characterization ( MOSAIC ) method, which leverages a non-viral PCR-based prime editing method to enable rapid installation of thousands of defined edits in pooled fashion. We show that MOSAIC can be applied to perform in situ saturation mutagenesis screens of: (1) the BCR-ABL1 fusion gene, successfully identifying known and potentially new imatinib drug-resistance variants; and (2) the IRF1 untranslated region (UTR), re-confirming non-coding regulatory elements involved in transcriptional initiation. Furthermore, we deployed MOSAIC to enable high-throughput, pooled screening of hundreds of systematically designed prime editing guide RNA ( pegRNA ) constructs for a large series of different genomic loci. This rapid screening of >18,000 pegRNA designs identified optimized pegRNAs for 89 different genomic target modifications and revealed the lack of simple predictive rules for pegRNA design, reinforcing the need for experimental optimization now greatly simplified and enabled by MOSAIC. We envision that MOSAIC will accelerate and facilitate the application of CRISPR prime editing for a wide range of high-throughput screens in human and other cell systems.
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Pires DA, Brandão-Rangel MAR, Silva-Reis A, Olímpio FRS, Aimbire F, Oliveira CR, Mateus-Silva JR, Zamarioli LS, Bachi ALL, Bella YF, Santos JMB, Bincoletto C, Lancha AH, Vieira RP. Vitamin C Inhibits Lipopolysaccharide-Induced Hyperinflammatory State of Chronic Myeloid Leukemia Cells through Purinergic Signaling and Autophagy. Nutrients 2024; 16:383. [PMID: 38337668 PMCID: PMC10857061 DOI: 10.3390/nu16030383] [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: 11/13/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
Background: Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm characterized by the overproduction of white blood cells, leading to symptoms such as fatigue, infections, and other complications. CML patients must take measures to prevent infections to mitigate the exacerbation of cancer cell proliferation and comorbidities. Methods: This study investigated whether vitamin C can suppress the hyperinflammatory activation of K-562 cells induced by lipopolysaccharide (LPS) and whether purinergic signaling (ATP and P2X7 receptor) and autophagy play a role in it. Two different doses of vitamin C (5 µg/mL and 10 µg/mL) were employed, along with the lysosome inhibitor chloroquine (CQ; 100 µM), administered 2 h prior to LPS stimulation (10 ng/mL) for a duration of 22 h in K-562 cells (3 × 105 cells/mL/well). Results: Both doses of vitamin C reduced the release of interleukin-6 (IL-6) (5 µg/mL, p < 0.01 and 10 µg/mL, p < 0.01) and tumor necrosis factor (TNF) (5 µg/mL, p < 0.01 and 10 µg/mL, p < 0.01) induced by LPS. Furthermore, in LPS + CQ-stimulated cells, vitamin C at a concentration of 10 µg/mL inhibited the expression of LC3-II (p < 0.05). Conversely, both doses of vitamin C led to the release of the anti-inflammatory cytokine interleukin-10 (IL-10) (5 µg/mL, p < 0.01 and 10 µg/mL, p < 0.01), while only the 10 µg/mL dose of vitamin C induced the release of Klotho (10 µg/mL, p < 0.01). In addition, both doses of vitamin C reduced the accumulation of ATP (5 µg/mL, p < 0.01 and 10 µg/mL, p < 0.01) and decreased the expression of the P2X7 receptor at the mRNA level. Conclusions: Vitamin C inhibits the hyperinflammatory state induced by LPS in K-562 cells, primarily by inhibiting the ATP accumulation, P2X7 receptor expression, and autophagy signaling.
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Affiliation(s)
- Daniela A. Pires
- Post-Graduation Program in Bioengineering, Universidade Brasil, Rua Carolina Fonseca 235, São Paulo 08230-030, SP, Brazil;
| | - Maysa A. R. Brandão-Rangel
- Postgraduate Program in Science of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Avenida Ana Costa 95, Santos 11060-001, SP, Brazil; (M.A.R.B.-R.); (A.S.-R.); (Y.F.B.); (J.M.B.S.)
| | - Anamei Silva-Reis
- Postgraduate Program in Science of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Avenida Ana Costa 95, Santos 11060-001, SP, Brazil; (M.A.R.B.-R.); (A.S.-R.); (Y.F.B.); (J.M.B.S.)
| | - Fabiana R. S. Olímpio
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro de Toledo 720, Vila Clementino, São Paulo 04039-002, SP, Brazil; (F.R.S.O.); (F.A.)
| | - Flavio Aimbire
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro de Toledo 720, Vila Clementino, São Paulo 04039-002, SP, Brazil; (F.R.S.O.); (F.A.)
| | - Carlos R. Oliveira
- Gap Biotech Laboratory of Biotechnology and Bioinformatics, Rua Comendador Remo Cesaroni 223, São José dos Campos 12243-020, SP, Brazil; (C.R.O.); (J.R.M.-S.)
| | - José R. Mateus-Silva
- Gap Biotech Laboratory of Biotechnology and Bioinformatics, Rua Comendador Remo Cesaroni 223, São José dos Campos 12243-020, SP, Brazil; (C.R.O.); (J.R.M.-S.)
| | - Lucas S. Zamarioli
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), Rua Três de Maio 100, São Paulo 04044-020, SP, Brazil; (L.S.Z.); (C.B.)
| | - André L. L. Bachi
- Postgraduate Program in Health Science, Santo Amaro University, Rua Prof. Enéas de Siqueira Neto 340, São Paulo 04829-300, SP, Brazil;
| | - Yanesko F. Bella
- Postgraduate Program in Science of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Avenida Ana Costa 95, Santos 11060-001, SP, Brazil; (M.A.R.B.-R.); (A.S.-R.); (Y.F.B.); (J.M.B.S.)
| | - Juliana M. B. Santos
- Postgraduate Program in Science of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Avenida Ana Costa 95, Santos 11060-001, SP, Brazil; (M.A.R.B.-R.); (A.S.-R.); (Y.F.B.); (J.M.B.S.)
| | - Claudia Bincoletto
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), Rua Três de Maio 100, São Paulo 04044-020, SP, Brazil; (L.S.Z.); (C.B.)
| | - Antonio Herbert Lancha
- Experimental Surgery (LIM 26), Laboratory of Clinical Investigation, School of Medicine, University of Sao Paulo, Avenida Doutor Arnaldo 455, São Paulo 05508-030, SP, Brazil;
| | - Rodolfo P. Vieira
- Post-Graduation Program in Bioengineering, Universidade Brasil, Rua Carolina Fonseca 235, São Paulo 08230-030, SP, Brazil;
- Postgraduate Program in Science of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Avenida Ana Costa 95, Santos 11060-001, SP, Brazil; (M.A.R.B.-R.); (A.S.-R.); (Y.F.B.); (J.M.B.S.)
- Gap Biotech Laboratory of Biotechnology and Bioinformatics, Rua Comendador Remo Cesaroni 223, São José dos Campos 12243-020, SP, Brazil; (C.R.O.); (J.R.M.-S.)
- Postgraduate Program in Human Movement and Rehabilitation and in Pharmaceutical Sciences, Evangelical University of Goiás (Unievangélica), Avenida Universitária Km 3,5, Anápolis 75083-515, GO, Brazil
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Deregowska A, Lewinska A, Warzybok A, Stoklosa T, Wnuk M. Telomere loss is accompanied by decreased pool of shelterin proteins TRF2 and RAP1, elevated levels of TERRA and enhanced glycolysis in imatinib-resistant CML cells. Toxicol In Vitro 2023; 90:105608. [PMID: 37149272 DOI: 10.1016/j.tiv.2023.105608] [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: 01/18/2023] [Revised: 04/20/2023] [Accepted: 05/02/2023] [Indexed: 05/08/2023]
Abstract
Telomere length may be maintained by telomerase nucleoprotein complex and shelterin complex, namely TRF1, TRF2, TIN2, TPP1, POT1 and RAP1 proteins and modulated by TERRA expression. Telomere loss is observed during progression of chronic myeloid leukemia (CML) from the chronic phase (CML-CP) to the blastic phase (CML-BP). The introduction of tyrosine kinase inhibitors (TKIs), such as imatinib (IM), has changed outcome for majority of patients, however, a number of patients treated with TKIs may develop drug resistance. The molecular mechanisms underlying this phenomenon are not fully understood and require further investigation. In the present study, we demonstrate that IM-resistant BCR::ABL1 gene-positive CML K-562 and MEG-A2 cells are characterized by decreased telomere length, lowered protein levels of TRF2 and RAP1 and increased expression of TERRA in comparison to corresponding IM-sensitive CML cells and BCR::ABL1 gene-negative HL-60 cells. Furthermore, enhanced activity of glycolytic pathway was observed in IM-resistant CML cells. A negative correlation between a telomere length and advanced glycation end products (AGE) was also revealed in CD34+ cells isolated from CML patients. In conclusion, we suggest that affected expression of shelterin complex proteins, namely TRF2 and RAP1, TERRA levels, and glucose consumption rate may promote telomere dysfunction in IM-resistant CML cells.
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Affiliation(s)
- Anna Deregowska
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, Rzeszow 35-310, Poland; Department of Tumor Biology and Genetics, Medical University of Warsaw, Pawinskiego 7, Warsaw 02-106, Poland.
| | - Anna Lewinska
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, Rzeszow 35-310, Poland.
| | - Aleksandra Warzybok
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, Rzeszow 35-310, Poland
| | - Tomasz Stoklosa
- Department of Tumor Biology and Genetics, Medical University of Warsaw, Pawinskiego 7, Warsaw 02-106, Poland.
| | - Maciej Wnuk
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, Rzeszow 35-310, Poland.
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Barriuso D, Alvarez-Frutos L, Gonzalez-Gutierrez L, Motiño O, Kroemer G, Palacios-Ramirez R, Senovilla L. Involvement of Bcl-2 Family Proteins in Tetraploidization-Related Senescence. Int J Mol Sci 2023; 24:ijms24076374. [PMID: 37047342 PMCID: PMC10094710 DOI: 10.3390/ijms24076374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
The B-cell lymphoma 2 (Bcl-2) family of proteins is the main regulator of apoptosis. However, multiple emerging evidence has revealed that Bcl-2 family proteins are also involved in cellular senescence. On the one hand, the different expression of these proteins determines the entry into senescence. On the other hand, entry into senescence modulates the expression of these proteins, generally conferring resistance to apoptosis. With some exceptions, senescent cells are characterized by the upregulation of antiapoptotic proteins and downregulation of proapoptotic proteins. Under physiological conditions, freshly formed tetraploid cells die by apoptosis due to the tetraploidy checkpoint. However, suppression of Bcl-2 associated x protein (Bax), as well as overexpression of Bcl-2, favors the appearance and survival of tetraploid cells. Furthermore, it is noteworthy that our laboratory has shown that the joint absence of Bax and Bcl-2 antagonist/killer (Bak) favors the entry into senescence of tetraploid cells. Certain microtubule inhibitory chemotherapies, such as taxanes and vinca alkaloids, induce the generation of tetraploid cells. Moreover, the combined use of inhibitors of antiapoptotic proteins of the Bcl-2 family with microtubule inhibitors increases their efficacy. In this review, we aim to shed light on the involvement of the Bcl-2 family of proteins in the senescence program activated after tetraploidization and the possibility of using this knowledge to create a new therapeutic strategy targeting cancer cells.
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ACSL1 promotes imatinib-induced chronic myeloid leukemia cell senescence by regulating SIRT1/p53/p21 pathway. Sci Rep 2022; 12:17990. [PMID: 36289272 PMCID: PMC9606008 DOI: 10.1038/s41598-022-21009-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 09/21/2022] [Indexed: 01/24/2023] Open
Abstract
Although tyrosine kinase inhibitors (TKIs) improve the prognosis of chronic myeloid leukemia (CML) patients, resistance to TKIs and residual leukemia stem cells (LSCs) inevitably become the bottleneck of cure. Therefore, we need to explore novel treatment strategies based on conventional treatment strategies. Our previous study found that CML cell senescence may be one of the main factors to achieve clinical cure of CML. Studies have shown that lipid metabolism plays a key role in cellular senescence. Here, we found that long-chain acyl-CoA synthetase 1 (ACSL1) was significantly up-regulated in senescent CML cells. Furthermore, we demonstrated that overexpression of ACSL1 induces senescence and inhibits cell growth in K562 cells by altering cell cycle progression, and enhances the proliferation-inhibiting effect of imatinib. Overexpression of ACSL1 enhances imatinib-induced tumorigenic decline in K562 cells in vivo. Knockdown of ACSL1 reverses imatinib-induced senescence in K562 cells. Mechanistically, overexpression of ACSL1 induced senescence in K562 cells via the SIRT1/p53/p21 axis. Collectively, our study showed that ACSL1 promotes imatinib-induced K562 cells senescence and tumor growth by regulating SIRT1/p53/p21 pathway. The ACSL1/SIRT1/p53 signal axis is a novel mechanism of cell senescence in CML and a new potential target for eradication of CML LSCs.
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Zhang W, Liu J, Li Y, Guo F. A bavachinin analog, D36, induces cell death by targeting both autophagy and apoptosis pathway in acute myeloid leukemia cells. Cancer Chemother Pharmacol 2022; 90:251-265. [PMID: 35960342 DOI: 10.1007/s00280-022-04462-y] [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: 03/14/2022] [Accepted: 08/02/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Acute myeloid leukemia (AML) is an aggressive hematologic malignancy with high mortality, and it is urgent to find new and optimized treatment strategies for AML. In this study, bavachinin, isolated from Psoralea corylifolia L. exhibiting extensive anti-tumor activity in many solid tumors and a series of its synthesized analogs, were screened for their anti-cancer activity on AML cell lines. METHODS The cell viability of AML cells was measured using CCK-8 assays. Cell apoptosis and cell cycle were detected by flow cytometry. The expression of apoptosis-related protein and autophagy-related protein/gene was detected by western blot, immunofluorescence or RT-PCR. Subcutaneous mice tumor model was used to evaluate the anti-cancer activity of D36 in vivo. RESULTS D36 robustly induced AML cells death in a dose-dependent manner with the IC50 value of 1.0 μM for HL-60 cells and 0.81 μM for MV4-11 cells at 24 h. D36 activated autophagy by inducing the accumulation of LC3B and promoting the autophagy flux. In addition, D36 triggered the extrinsic apoptosis by upregulating the protein level of FAS, cleaved-caspase 8, cleaved-caspase 3 and cleaved-PARP. D36 also blocked the cell cycle at S phase or G2/M phase in AML cells. In addition, we find that activation of caspase cascade induced apoptosis and meanwhile activated autophagy, autophagy activation in turns contributes to apoptosis. Furthermore, D36 suppressed the tumor growth in HL-60 AML-bearing mice without obvious side effects. CONCLUSION This study suggests that D36 is a promising small-molecule for the treatment of acute myeloid leukemia.
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Affiliation(s)
- Wen Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cai Lun Road, Shanghai, 201203, People's Republic of China
| | - Jingwen Liu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cai Lun Road, Shanghai, 201203, People's Republic of China
| | - Yiming Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cai Lun Road, Shanghai, 201203, People's Republic of China.
| | - Fujiang Guo
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cai Lun Road, Shanghai, 201203, People's Republic of China.
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Early Steps of Resistance to Targeted Therapies in Non-Small-Cell Lung Cancer. Cancers (Basel) 2022; 14:cancers14112613. [PMID: 35681591 PMCID: PMC9179469 DOI: 10.3390/cancers14112613] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Patients with lung cancer benefit from more effective treatments, such as targeted therapies, and the overall survival has increased in the past decade. However, the efficacy of targeted therapies is limited due to the emergence of resistance. Growing evidence suggests that resistances may arise from a small population of drug-tolerant persister (DTP) cells. Understanding the mechanisms underlying DTP survival is therefore crucial to develop therapeutic strategies to prevent the development of resistance. Herein, we propose an overview of the current scientific knowledge about the characterisation of DTP, and summarise the new therapeutic strategies that are tested to target these cells. Abstract Lung cancer is the leading cause of cancer-related deaths among men and women worldwide. Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are effective therapies for advanced non-small-cell lung cancer (NSCLC) patients harbouring EGFR-activating mutations, but are not curative due to the inevitable emergence of resistances. Recent in vitro studies suggest that resistance to EGFR-TKI may arise from a small population of drug-tolerant persister cells (DTP) through non-genetic reprogramming, by entering a reversible slow-to-non-proliferative state, before developing genetically derived resistances. Deciphering the molecular mechanisms governing the dynamics of the drug-tolerant state is therefore a priority to provide sustainable therapeutic solutions for patients. An increasing number of molecular mechanisms underlying DTP survival are being described, such as chromatin and epigenetic remodelling, the reactivation of anti-apoptotic/survival pathways, metabolic reprogramming, and interactions with their micro-environment. Here, we review and discuss the existing proposed mechanisms involved in the DTP state. We describe their biological features, molecular mechanisms of tolerance, and the therapeutic strategies that are tested to target the DTP.
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12
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Pibuel MA, Poodts D, Díaz M, Molinari YA, Franco PG, Hajos SE, Lompardía SL. Antitumor effect of 4MU on glioblastoma cells is mediated by senescence induction and CD44, RHAMM and p-ERK modulation. Cell Death Discov 2021; 7:280. [PMID: 34628469 PMCID: PMC8502173 DOI: 10.1038/s41420-021-00672-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/08/2021] [Accepted: 09/23/2021] [Indexed: 01/10/2023] Open
Abstract
The extracellular matrix plays a key role in cancer progression. Hyaluronan, the main glycosaminoglycan of the extracellular matrix, has been related to several tumor processes. Hyaluronan acts through the interaction with cell membrane receptors as CD44 and RHAMM and triggers signaling pathways as MEK/ERK. 4-methylumbelliferone (4MU), a well-known hyaluronan synthesis inhibitor, is a promising alternative for cancer therapy. 4MU is a coumarin derivative without adverse effects that has been studied in several tumors. However, little is known about its use in glioblastoma (GBM), the most malignant primary brain tumor in adults. Glioblastoma is characterized by fast growth, migration and tissue invasiveness, and a poor median survival of the patients after treatment. Several reports linked glioblastoma progression with HA levels and even with CD44 and RHAMM expression, as well as MEK/ERK activation. Previously, we showed on a murine GBM cell line that HA enhances GBM migration, while 4MU markedly inhibits it. In this work we showed for the first time, that 4MU decreases cell migration and induces senescence in U251 and LN229 human GBM cell lines. Furthermore, we observed that HA promotes GBM cell migration on both cell lines and that such effects depend on CD44 and RHAMM, as well as MEK/ERK signaling pathway. Interestingly, we observed that the exogenous HA failed to counteract the effects of 4MU, indicating that 4MU effects are independent of HA synthesis inhibition. We found that 4MU decreases total CD44 and RHAMM membrane expression, which could explain the effect of 4MU on cell migration. Furthermore, we observed that 4MU increases the levels of RHAMM inside the cell while decreases the nucleus/cytoplasm relation of p-ERK, associated with 4MU effects on cell proliferation and senescence induction. Overall, 4MU should be considered as a promising therapeutic alternative to improve the outcome of patients with GBM.
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Grants
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°0289 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- PIP N°053 Consejo Nacional de Investigaciones Científicas y Técnicas (National Scientific and Technical Research Council)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- UBACYT 20020170100454BA Universidad de Buenos Aires (University of Buenos Aires)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
- PICT-2017- 2971 Ministry of Science, Technology and Productive Innovation, Argentina | Agencia Nacional de Promoción Científica y Tecnológica (National Agency for Science and Technology, Argentina)
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Affiliation(s)
- Matías Arturo Pibuel
- Instituto de Estudios de la Inmunidad Humoral (IDEHU)- CONICET; Departamento de Microbiología, Inmunología y Biotecnología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina.
| | - Daniela Poodts
- Instituto de Estudios de la Inmunidad Humoral (IDEHU)- CONICET; Departamento de Microbiología, Inmunología y Biotecnología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina
| | - Mariángeles Díaz
- Instituto de Estudios de la Inmunidad Humoral (IDEHU)- CONICET, Universidad de Buenos Aires, Capital Federal, Argentina
| | - Yamila Azul Molinari
- Instituto de Química y Fisicoquímica Biológicas (IQUIFIB)-CONICET; Departamento de Química Biológica, Cátedra de Química Biológica Patológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina
| | - Paula Gabriela Franco
- Instituto de Química y Fisicoquímica Biológicas (IQUIFIB)-CONICET; Departamento de Química Biológica, Cátedra de Química Biológica Patológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina
| | - Silvia Elvira Hajos
- Instituto de Estudios de la Inmunidad Humoral (IDEHU)- CONICET; Departamento de Microbiología, Inmunología y Biotecnología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina
| | - Silvina Laura Lompardía
- Instituto de Estudios de la Inmunidad Humoral (IDEHU)- CONICET; Departamento de Microbiología, Inmunología y Biotecnología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Capital Federal, Argentina
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Chai JY, Sugumar V, Alshanon AF, Wong WF, Fung SY, Looi CY. Defining the Role of GLI/Hedgehog Signaling in Chemoresistance: Implications in Therapeutic Approaches. Cancers (Basel) 2021; 13:4746. [PMID: 34638233 PMCID: PMC8507559 DOI: 10.3390/cancers13194746] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/15/2022] Open
Abstract
Insight into cancer signaling pathways is vital in the development of new cancer treatments to improve treatment efficacy. A relatively new but essential developmental signaling pathway, namely Hedgehog (Hh), has recently emerged as a major mediator of cancer progression and chemoresistance. The evolutionary conserved Hh signaling pathway requires an in-depth understanding of the paradigm of Hh signaling transduction, which is fundamental to provide the necessary means for the design of novel tools for treating cancer related to aberrant Hh signaling. This review will focus substantially on the canonical Hh signaling and the treatment strategies employed in different studies, with special emphasis on the molecular mechanisms and combination treatment in regard to Hh inhibitors and chemotherapeutics. We discuss our views based on Hh signaling's role in regulating DNA repair machinery, autophagy, tumor microenvironment, drug inactivation, transporters, epithelial-to-mesenchymal transition, and cancer stem cells to promote chemoresistance. The understanding of this Achilles' Heel in cancer may improve the therapeutic outcome for cancer therapy.
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Affiliation(s)
- Jian Yi Chai
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya 47500, Malaysia;
| | - Vaisnevee Sugumar
- School of Medicine, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya 47500, Malaysia;
| | - Ahmed F. Alshanon
- Center of Biotechnology Researches, University of Al-Nahrain, Baghdad 10072, Iraq;
| | - Won Fen Wong
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Shin Yee Fung
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Chung Yeng Looi
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya 47500, Malaysia;
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Stergiou IE, Kapsogeorgou EK. Autophagy and Metabolism in Normal and Malignant Hematopoiesis. Int J Mol Sci 2021; 22:8540. [PMID: 34445246 PMCID: PMC8395194 DOI: 10.3390/ijms22168540] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023] Open
Abstract
The hematopoietic system relies on regulation of both metabolism and autophagy to maintain its homeostasis, ensuring the self-renewal and multipotent differentiation potential of hematopoietic stem cells (HSCs). HSCs display a distinct metabolic profile from that of their differentiated progeny, while metabolic rewiring from glycolysis to oxidative phosphorylation (OXPHOS) has been shown to be crucial for effective hematopoietic differentiation. Autophagy-mediated regulation of metabolism modulates the distinct characteristics of quiescent and differentiating hematopoietic cells. In particular, mitophagy determines the cellular mitochondrial content, thus modifying the level of OXPHOS at the different differentiation stages of hematopoietic cells, while, at the same time, it ensures the building blocks and energy for differentiation. Aberrations in both the metabolic status and regulation of the autophagic machinery are implicated in the development of hematologic malignancies, especially in leukemogenesis. In this review, we aim to investigate the role of metabolism and autophagy, as well as their interconnections, in normal and malignant hematopoiesis.
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Affiliation(s)
| | - Efstathia K. Kapsogeorgou
- Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece;
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15
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Chakrabarty A, Chakraborty S, Bhattacharya R, Chowdhury G. Senescence-Induced Chemoresistance in Triple Negative Breast Cancer and Evolution-Based Treatment Strategies. Front Oncol 2021; 11:674354. [PMID: 34249714 PMCID: PMC8264500 DOI: 10.3389/fonc.2021.674354] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/01/2021] [Indexed: 01/10/2023] Open
Abstract
Triple negative breast cancer (TNBC) is classically treated with combination chemotherapies. Although, initially responsive to chemotherapies, TNBC patients frequently develop drug-resistant, metastatic disease. Chemotherapy resistance can develop through many mechanisms, including induction of a transient growth-arrested state, known as the therapy-induced senescence (TIS). In this paper, we will focus on chemoresistance in TNBC due to TIS. One of the key characteristics of senescent cells is a complex secretory phenotype, known as the senescence-associated secretory proteome (SASP), which by prompting immune-mediated clearance of senescent cells maintains tissue homeostasis and suppresses tumorigenesis. However, in cancer, particularly with TIS, senescent cells themselves as well as SASP promote cellular reprograming into a stem-like state responsible for the emergence of drug-resistant, aggressive clones. In addition to chemotherapies, outcomes of recently approved immune and DNA damage-response (DDR)-directed therapies are also affected by TIS, implying that this a common strategy used by cancer cells for evading treatment. Although there has been an explosion of scientific research for manipulating TIS for prevention of drug resistance, much of it is still at the pre-clinical stage. From an evolutionary perspective, cancer is driven by natural selection, wherein the fittest tumor cells survive and proliferate while the tumor microenvironment influences tumor cell fitness. As TIS seems to be preferred for increasing the fitness of drug-challenged cancer cells, we will propose a few tactics to control it by using the principles of evolutionary biology. We hope that with appropriate therapeutic intervention, this detrimental cellular fate could be diverted in favor of TNBC patients.
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16
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Singh AK, Awasthi D, Dubey M, Nagarkoti S, Chandra T, Barthwal MK, Tripathi AK, Dikshit M. Expression of inducible NOS is indispensable for the antiproliferative and proapoptotic effect of imatinib in BCR-ABL positive cells. J Leukoc Biol 2021; 110:853-866. [PMID: 33527482 DOI: 10.1002/jlb.1a0820-514r] [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: 08/21/2020] [Revised: 12/14/2020] [Accepted: 01/13/2021] [Indexed: 01/07/2023] Open
Abstract
Chronic myeloid leukemia (CML) is characterized by constitutive BCR-ABL kinase activity, an aggressive proliferation of immature cells, and reduced differentiation. Targeting tyrosine kinase activity of BCR-ABL with imatinib is an effective therapy for the newly diagnosed CML patients; however, 20%-30% of the patients initially treated with imatinib eventually experience treatment failure. Therefore, early identification of these patients is of high clinical relevance. In the present study, we by undertaking a direct comparison of inducible NOS (iNOS) status in neutrophils from healthy volunteers, newly diagnosed, imatinib responder, and resistant CML patients as well as by conducting in vitro studies in K562 cells demonstrated that inhibition of BCR-ABL by imatinib or siRNA significantly enhanced NO generation and iNOS expression. Indeed, patients exhibiting treatment failure or imatinib resistance were less likely to induce NO generation/iNOS expression. Our findings further demonstrated that imatinib mediated antiproliferative and proapoptotic effect in BCR-ABL+ cells associated with enhanced iNOS expression, and it was significantly prevented in the presence of L-NAME, 1400W, or iNOS siRNA. Overexpression of iNOS in K562 cells expectedly enhanced imatinib sensitivity on cytostasis and apoptosis, even at lower concentration (0.1 μM) of imatinib. Mechanistically, imatinib or BCR-ABL siRNA following deglutathionylation of NF-κB, enhanced its binding to iNOS promoter and induced iNOS transcription. Deglutathionylation of procaspase-3 however associated with increased caspase-3 activity and cell apoptosis. Taken together, results obtained suggest that monitoring NO/iNOS level could be useful to identify patients likely to be responsive or resistant to imatinib and can be used to personalized alternative therapy.
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Affiliation(s)
| | - Deepika Awasthi
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Megha Dubey
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sheela Nagarkoti
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Tulika Chandra
- Department of Transfusion Medicine, King George's Medical University, Lucknow, India
| | | | - Anil Kumar Tripathi
- Department of Clinical Hematology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Madhu Dikshit
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
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17
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Gardouh AR, Ewedah TM, Abd-Allah FI, Ghorab MM, Omran MM, El-Sawy HS. Enhanced efficacy, cellular uptake, and antiangiogenic activity of the optimized imatinib mesylate-loaded proniosomal-derived nanovesicles. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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18
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Mongiardi MP, Pellegrini M, Pallini R, Levi A, Falchetti ML. Cancer Response to Therapy-Induced Senescence: A Matter of Dose and Timing. Cancers (Basel) 2021; 13:484. [PMID: 33513872 PMCID: PMC7865402 DOI: 10.3390/cancers13030484] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/18/2021] [Accepted: 01/23/2021] [Indexed: 12/12/2022] Open
Abstract
Cellular senescence participates to fundamental processes like tissue remodeling in embryo development, wound healing and inhibition of preneoplastic cell growth. Most senescent cells display common hallmarks, among which the most characteristic is a permanent (or long lasting) arrest of cell division. However, upon senescence, different cell types acquire distinct phenotypes, which also depend on the specific inducing stimuli. Senescent cells are metabolically active and secrete a collection of growth factors, cytokines, proteases, and matrix-remodeling proteins collectively defined as senescence-associated secretory phenotype, SASP. Through SASP, senescent cells modify their microenvironment and engage in a dynamic dialog with neighbor cells. Senescence of neoplastic cells, at least temporarily, reduces tumor expansion, but SASP of senescent cancer cells as well as SASP of senescent stromal cells in the tumor microenvironment may promote the growth of more aggressive cancer subclones. Here, we will review recent data on the mechanisms and the consequences of cancer-therapy induced senescence, enlightening the potentiality and the risk of senescence inducing treatments.
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Affiliation(s)
- Maria Patrizia Mongiardi
- CNR-Institute of Biochemistry and Cell Biology, Campus Adriano Buzzati Traverso, Via Ercole Ramarini 32, Monterotondo Scalo, 00015 Rome, Italy; (M.P.M.); (M.P.); (A.L.)
| | - Manuela Pellegrini
- CNR-Institute of Biochemistry and Cell Biology, Campus Adriano Buzzati Traverso, Via Ercole Ramarini 32, Monterotondo Scalo, 00015 Rome, Italy; (M.P.M.); (M.P.); (A.L.)
| | - Roberto Pallini
- Institute of Neurosurgery, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli 8, 00168 Rome, Italy;
| | - Andrea Levi
- CNR-Institute of Biochemistry and Cell Biology, Campus Adriano Buzzati Traverso, Via Ercole Ramarini 32, Monterotondo Scalo, 00015 Rome, Italy; (M.P.M.); (M.P.); (A.L.)
| | - Maria Laura Falchetti
- CNR-Institute of Biochemistry and Cell Biology, Campus Adriano Buzzati Traverso, Via Ercole Ramarini 32, Monterotondo Scalo, 00015 Rome, Italy; (M.P.M.); (M.P.); (A.L.)
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Türe A, Ergül M, Ergül M, Altun A, Küçükgüzel İ. Design, synthesis, and anticancer activity of novel 4-thiazolidinone-phenylaminopyrimidine hybrids. Mol Divers 2020; 25:1025-1050. [PMID: 32328961 DOI: 10.1007/s11030-020-10087-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/08/2020] [Indexed: 10/24/2022]
Abstract
4-Thiazolidinones and phenylaminopyrimidines are known as anticancer agents. Imatinib is the pioneer phenylaminopyrimidine derivative kinase inhibitor, which is used for the treatment of chronic myeloid leukemia. With a hybrid approach, a novel series of 5-benzylidene-2-arylimino-4-thiazolidinone derivatives containing phenylaminopyrimidine core were designed, synthesized, and tested for their anticancer activity on K562 (chronic myeloid leukemia), PC3 (prostat cancer), and SHSY-5Y (neuroblastoma) cells. Since superior anticancer activity was observed on K562 cells, further biological studies of selected compounds (8, 15, and 34) were performed on K562 cells. For the synthesis of designed compounds, thiourea compounds were converted to 2-imino-1,3-thiazolidin-4-ones with α-chloroacetic acid in the presence of sodium acetate. 5-Benzylidene-2-imino-1,3-thiazolidin-4-one derivatives were obtained by Knoevenagel condensation of 2-imino-1,3-thiazolidin-4-ones with related aldehydes. Compounds 8, 15, and 34 were evaluated for cell viability, apoptosis studies, cell cycle experiments, and DNA damage assays. IC50 values of compounds 8, 15, and 34 were found as 5.26 ± 1.03, 3.52 ± 0.91, and 8.16 ± 1.27 μM, respectively, in K562 cells. Preferably, these compounds showed less toxicity towards L929 cells compared to imatinib. Furthermore, compounds 8 and 15 significantly induced early and late apoptosis in a time-dependent manner. Compounds 15 and 34 induced cell cycle arrest at G0/G1 phase and compound 8 caused cell cycle arrest at G2/M phase. Based on DNA damage assay, compounds 8 and 15 were found to be more genotoxic than imatinib towards K562 cells. To put more molecular insight, possible Abl inhibition mechanisms of most active compounds were predicted by molecular docking studies. In conclusion, a novel series of 5-benzylidene-2-arylimino-4-thiazolidinone derivatives and their promising anticancer activities were reported herein.
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Affiliation(s)
- Aslı Türe
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, P.O. Box: 34668, Istanbul, Turkey
| | - Mustafa Ergül
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, Sivas, Turkey
| | - Merve Ergül
- Department of Pharmacology, Faculty of Pharmacy, Sivas Cumhuriyet University, Sivas, Turkey
| | - Ahmet Altun
- Department of Medical Pharmacology, Faculty of Medicine, Sivas Cumhuriyet University, Sivas, Turkey
| | - İlkay Küçükgüzel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, P.O. Box: 34668, Istanbul, Turkey.
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Saleh T, Bloukh S, Carpenter VJ, Alwohoush E, Bakeer J, Darwish S, Azab B, Gewirtz DA. Therapy-Induced Senescence: An "Old" Friend Becomes the Enemy. Cancers (Basel) 2020; 12:cancers12040822. [PMID: 32235364 PMCID: PMC7226427 DOI: 10.3390/cancers12040822] [Citation(s) in RCA: 154] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/21/2020] [Accepted: 03/25/2020] [Indexed: 01/10/2023] Open
Abstract
For the past two decades, cellular senescence has been recognized as a central component of the tumor cell response to chemotherapy and radiation. Traditionally, this form of senescence, termed Therapy-Induced Senescence (TIS), was linked to extensive nuclear damage precipitated by classical genotoxic chemotherapy. However, a number of other forms of therapy have also been shown to induce senescence in tumor cells independently of direct genomic damage. This review attempts to provide a comprehensive summary of both conventional and targeted anticancer therapeutics that have been shown to induce senescence in vitro and in vivo. Still, the utility of promoting senescence as a therapeutic endpoint remains under debate. Since senescence represents a durable form of growth arrest, it might be argued that senescence is a desirable outcome of cancer therapy. However, accumulating evidence suggesting that cells have the capacity to escape from TIS would support an alternative conclusion, that senescence provides an avenue whereby tumor cells can evade the potentially lethal action of anticancer drugs, allowing the cells to enter a temporary state of dormancy that eventually facilitates disease recurrence, often in a more aggressive state. Furthermore, TIS is now strongly connected to tumor cell remodeling, potentially to tumor dormancy, acquiring more ominous malignant phenotypes and accounts for several untoward adverse effects of cancer therapy. Here, we argue that senescence represents a barrier to effective anticancer treatment, and discuss the emerging efforts to identify and exploit agents with senolytic properties as a strategy for elimination of the persistent residual surviving tumor cell population, with the goal of mitigating the tumor-promoting influence of the senescent cells and to thereby reduce the likelihood of cancer relapse.
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Affiliation(s)
- Tareq Saleh
- Department of Basic Medical Sciences, Faculty of Medicine, The Hashemite University, Zarqa 13133, Jordan; (T.S.); (S.D.)
| | - Sarah Bloukh
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan; (S.B.); (E.A.); (J.B.); (B.A.)
| | - Valerie J. Carpenter
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Enas Alwohoush
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan; (S.B.); (E.A.); (J.B.); (B.A.)
| | - Jomana Bakeer
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan; (S.B.); (E.A.); (J.B.); (B.A.)
| | - Sarah Darwish
- Department of Basic Medical Sciences, Faculty of Medicine, The Hashemite University, Zarqa 13133, Jordan; (T.S.); (S.D.)
| | - Belal Azab
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan; (S.B.); (E.A.); (J.B.); (B.A.)
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - David A. Gewirtz
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA;
- Correspondence:
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Sadaf S, Awasthi D, Singh AK, Nagarkoti S, Kumar S, Barthwal MK, Dikshit M. Pyroptotic and apoptotic cell death in iNOS and nNOS overexpressing K562 cells: A mechanistic insight. Biochem Pharmacol 2019; 176:113779. [PMID: 31881190 DOI: 10.1016/j.bcp.2019.113779] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 12/23/2019] [Indexed: 12/21/2022]
Abstract
Previous studies from this lab and others have demonstrated that nitric oxide (NO) in a concentration dependent manner, modulated neutrophil and leukemic cell survival. Subsequent studies delineated importance of iNOS in neutrophil differentiation and leukemic cell death. On the contrary, role of nNOS in survival of these cells remains least understood. Present study was therefore undertaken to assess and compare the role of iNOS and nNOS in the survival of NOS overexpressing myelocytic K562 cells. Cells with almost similar iNOS and nNOS activities displayed comparable cell cycle perturbation, Annexin V positivity, mitochondrial dysfunction, augmented DCF fluorescence, and also attenuated expression of antioxidants. Moreover, induction in cell death was also accompanied by the activation of pJNK/p38MAPK/Erk1/2 and reduction in PI3K/Akt/mTOR signaling. Treatment of NOS isoform overexpressing K562 cells with NAC, a potent free radical scavenger prevented cell death and also the modulations in the signaling proteins. In addition, enhanced expression of CASP1 and CASP4 genes, along with increased Caspase-1 cleavage and increased IL-1β release were significantly more in K562iNOS cells, which indicate priming of these cells for pyroptotic cell death. On the other hand, K562nNOS cells, displayed much enhanced CASP3 gene expression, Caspase-3 cleavage and Caspase-3 activity. Results obtained indicate that similar level of iNOS or nNOS activation in K562 cells, preferred pyroptotic and apoptotic cell death respectively.
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Affiliation(s)
- Samreen Sadaf
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Deepika Awasthi
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | | | - Sheela Nagarkoti
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sachin Kumar
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | | | - Madhu Dikshit
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India.
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22
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Mudgapalli N, Nallasamy P, Chava H, Chava S, Pathania AS, Gunda V, Gorantla S, Pandey MK, Gupta SC, Challagundla KB. The role of exosomes and MYC in therapy resistance of acute myeloid leukemia: Challenges and opportunities. Mol Aspects Med 2019; 70:21-32. [PMID: 31623866 PMCID: PMC7775410 DOI: 10.1016/j.mam.2019.10.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 09/27/2019] [Accepted: 10/06/2019] [Indexed: 12/12/2022]
Abstract
Acute myeloid leukemia (AML) is caused by abnormal production of white blood cells, red blood cells or platelets. The leukemia cells communicate with their microenvironment through nano-vesicle exosomes that are 30-100 nm in diameter. These nano-vesicles are released from body fluids upon fusion of an endocytic compartment with the cell membrane. Exosomes function as cargo to deliver signaling molecules to distant cells. This allows cross-talk between hematopoietic cells and other distant target cell environments. Exosomes support leukemia growth by acting as messengers between tumor cells and the microenvironment as well as inducing oncogenic factors such as c-Myc. Exosomes have also been used as biomarkers in the clinical diagnosis of leukemia. Glycogen synthase kinase-3 (GSK-3) and protein phosphatase 2A (PP2A) are two crucial signaling molecules involved in the AML pathogenesis and MYC stability. GSK-3 is a serine/threonine protein kinase that coordinates with over 40 different proteins during physiological/pathological conditions in blood cells. The dysregulation in GSK-3 has been reported during hematological malignancies. GSK-3 acts as a tumor suppressor by targeting c-MYC, MCL-1 and β-catenin. Conversely, GSK-3 can also act as tumor promoter in some instances. The pharmacological modulators of GSK-3 such as ABT-869, 6-Bromoindirubin-3'-oxime (BIO), GS-87 and LY2090314 have shown promise in the treatment of hematological malignancy. PP2A is a heterotrimeric serine/threonine phosphatase involved in the regulation of hematological malignancy. PP2A-activating drugs (PADs) can effectively antagonize leukemogenesis. The discovery of exosomes, kinase inhibitors and phosphatase activators have provided new hope to the leukemia patients. This review discusses the role of exosomes, GSK-3 and PP2A in the pathogenesis of leukemia. We provide evidence from both preclinical and clinical studies.
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Affiliation(s)
- Nithya Mudgapalli
- Department of Biochemistry and Molecular Biology, The Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
; UNMC Summer Undergraduate Research Program, University of Nebraska Medical Center, Omaha, NE, USA
| | - Palanisamy Nallasamy
- Department of Biochemistry and Molecular Biology, The Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Haritha Chava
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Srinivas Chava
- Department of Biochemistry and Molecular Biology, The Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Anup S Pathania
- Department of Biochemistry and Molecular Biology, The Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Venugopal Gunda
- Pediatric Oncology Laboratory, Child Health Research Institute, University of Nebraska Medical Center, Omaha, NE, USA
| | - Santhi Gorantla
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Manoj K Pandey
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Subash C Gupta
- Laboratory for Translational Cancer Research, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221 005, India
| | - Kishore B Challagundla
- Department of Biochemistry and Molecular Biology, The Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
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Xiao L, Xu J, Weng Q, Zhou L, Wang M, Liu M, Li Q. Mechanism of a Novel Camptothecin-Deoxycholic Acid Derivate Induced Apoptosis against Human Liver Cancer HepG2 Cells and Human Colon Cancer HCT116 Cells. Recent Pat Anticancer Drug Discov 2019; 14:370-382. [PMID: 31644410 DOI: 10.2174/1574892814666191016162346] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 09/25/2019] [Accepted: 10/09/2019] [Indexed: 01/10/2023]
Abstract
BACKGROUND Camptothecin (CPT) is known as an anticancer drug in traditional Chinese medicine. However, due to the lack of targeting, low solubility, and instability of CPT, its therapeutic applications are hampered. Therefore, we synthesized a series of CPT-bile acid analogues that obtained a national patent to improve their tumour-targeting chemotherapeutic effects on liver or colon cancers. Among these analogues, the compound G2 shows high antitumor activity with enhanced liver targeting and improved oral absorption. It is significant to further investigate the possible anticancer mechanism of G2 for its further clinical research and application. OBJECTIVE We aimed to unearth the anticancer mechanism of G2 in HepG2 and HCT116 cells. METHODS Cell viability was measured using MTT assay; cell cycle, Mitochondrial Membrane Potential (MMP), and cell apoptosis were detected by flow cytometer; ROS was measured by Fluorescent Microplate Reader; the mRNA and protein levels of cell cycle-related and apoptosis-associated proteins were examined by RT-PCR and western blot, respectively. RESULTS We found that G2 inhibited cells proliferation of HepG2 and HCT116 remarkably in a dosedependent manner. Moreover, G2-treatment led to S and G2/M phase arrest in both cells, which could be elucidated by the change of mRNA levels of p21, p27 and Cyclin E and the increased protein level of p21. G2 also induced dramatically ROS accumulated and MMP decreased, which contributed to the apoptosis through activation of both the extrinsic and intrinsic pathways via changing the genes and proteins expression involved in apoptosis pathway in both of HepG2 and HCT116 cells. CONCLUSION These findings suggested that the apoptosis in both cell lines induced by G2 was related to the extrinsic and intrinsic pathways.
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Affiliation(s)
- Linxia Xiao
- Collaborative Innovation Center of Yangtze River Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, China
| | - Jialin Xu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Qi Weng
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Leilei Zhou
- Collaborative Innovation Center of Yangtze River Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, China
| | - Mengke Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Miao Liu
- College of Life Sciences, Northeast Agricultural University, Harbin, China
| | - Qingyong Li
- Collaborative Innovation Center of Yangtze River Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, China.,College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
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Lompardía S, Díaz M, Pibuel M, Papademetrio D, Poodts D, Mihalez C, Álvarez É, Hajos S. Hyaluronan abrogates imatinib-induced senescence in chronic myeloid leukemia cell lines. Sci Rep 2019; 9:10930. [PMID: 31358779 PMCID: PMC6662747 DOI: 10.1038/s41598-019-47248-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 07/12/2019] [Indexed: 12/12/2022] Open
Abstract
Hyaluronan (HA) is the main glycosaminoglycan of the extracellular matrix. CD44 is the most important HA receptor, and both have been associated with poor prognosis in cancer. Chronic myeloid leukemia (CML) is characterized by the presence of a constitutively activated tyrosine kinase (Breakpoint Cluster Region - Abelson murine leukemia viral oncogene homolog1, BCR-ABL). It is mainly treated with BCR-ABL inhibitors, such as imatinib. However, the selection of resistant cells leads to treatment failure. The aim of this work was to determine the capacity of HA (high molecular weight) to counteract the effect of imatinib in human CML cell lines (K562 and Kv562). We demonstrated that imatinib decreased HA levels and the surface expression of CD44 in both cell lines. Furthermore, HA abrogated the anti-proliferative and pro-senescent effect of Imatinib without modifying the imatinib-induced apoptosis. Moreover, the inhibition of HA synthesis with 4-methylumbelliferone enhanced the anti-proliferative effect of imatinib. These results suggest that Imatinib-induced senescence would depend on the reduction in HA levels, describing, for the first time, the role of HA in the development of resistance to imatinib. These findings show that low levels of HA are crucial for an effective therapy with imatinib in CML.
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Affiliation(s)
- Silvina Lompardía
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina.
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina.
| | - Mariángeles Díaz
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Matías Pibuel
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Daniela Papademetrio
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Daniela Poodts
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
| | - Cintia Mihalez
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Élida Álvarez
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
| | - Silvia Hajos
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Microbiología, Inmunología y Biotecnología, Cátedra de Inmunología, Buenos Aires, Argentina
- Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires, Argentina
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25
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Autophagy as a molecular target for cancer treatment. Eur J Pharm Sci 2019; 134:116-137. [PMID: 30981885 DOI: 10.1016/j.ejps.2019.04.011] [Citation(s) in RCA: 219] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 04/04/2019] [Accepted: 04/05/2019] [Indexed: 12/22/2022]
Abstract
Autophagy is an evolutionarily conserved catabolic mechanism, by which eukaryotic cells recycle or degrades internal constituents through membrane-trafficking pathway. Thus, autophagy provides the cells with a sustainable source of biomolecules and energy for the maintenance of homeostasis under stressful conditions such as tumor microenvironment. Recent findings revealed a close relationship between autophagy and malignant transformation. However, due to the complex dual role of autophagy in tumor survival or cell death, efforts to develop efficient treatment strategies targeting the autophagy/cancer relation have largely been unsuccessful. Here we review the two-faced role of autophagy in cancer as a tumor suppressor or as a pro-oncogenic mechanism. In this sense, we also review the shared regulatory pathways that play a role in autophagy and malignant transformation. Finally, anti-cancer therapeutic agents used as either inhibitors or inducers of autophagy have been discussed.
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26
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Current Outlook on Autophagy in Human Leukemia: Foe in Cancer Stem Cells and Drug Resistance, Friend in New Therapeutic Interventions. Int J Mol Sci 2019; 20:ijms20030461. [PMID: 30678185 PMCID: PMC6387281 DOI: 10.3390/ijms20030461] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/15/2019] [Accepted: 01/18/2019] [Indexed: 01/07/2023] Open
Abstract
Autophagy is an evolutionarily conserved cellular recycling process in cell homeostasis and stress adaptation. It confers protection and promotes survival in response to metabolic/environmental stress, and is upregulated in response to nutrient deprivation, hypoxia, and chemotherapies. Autophagy is also known to sustain malignant cell growth and contributes to cancer stem cell survival when challenged by cytotoxic and/or targeted therapies, a potential mechanism of disease persistence and drug resistance that has gathered momentum. However, different types of human leukemia utilize autophagy in complex, context-specific manners, and the molecular and cellular mechanisms underlying this process involve multiple protein networks that will be discussed in this review. There is mounting preclinical evidence that targeting autophagy can enhance the efficacy of cancer therapies. Chloroquine and other lysosomal inhibitors have spurred initiation of clinical trials and demonstrated that inhibition of autophagy restores chemosensitivity of anticancer drugs, but with limited autophagy-dependent effects. Intriguingly, several autophagy-specific inhibitors, with better therapeutic indexes and lower toxicity, have been developed. Promising preclinical studies with novel combination approaches as well as potential challenges to effectively eradicate drug-resistant cells, particularly cancer stem cells, in human leukemia are also detailed in this review.
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27
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Kc R, Thapa B, Ubeda A, Jiang X, Uludağ H. BCR-Abl Silencing by siRNA: A Potent Approach to Sensitize Chronic Myeloid Leukemia Cells to Tyrosine Kinase Inhibitor Therapy. Stem Cells Dev 2019; 28:734-744. [PMID: 30585758 DOI: 10.1089/scd.2018.0196] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Nonviral gene therapy with specific short interfering RNAs (siRNAs) against BCR-Abl can be an alternative and/or supportive therapy of chronic myeloid leukemia (CML) with tyrosine kinase inhibitors (TKIs), given the often observed resistance to TKIs in clinical setting. In this study, we explored the feasibility of BCR-Abl siRNA therapy in CML K562 cells in vitro by employing a cationic polymer derived from cholesterol (Chol) grafted low-molecular weight polyethyleneimine (PEI). The first generation TKI imatinib upregulated the expression of BCR-Abl in K562 cells as expected. Delivery of BCR-Abl siRNA in both drug-sensitive and drug-resistant K562 cells significantly downregulated the mRNA levels in both cell types. Similarly, the BCR-Abl siRNA treatment arrested the growth of both drug-sensitive and drug-resistant K562 cells with no obvious differences despite a large difference in drug responsiveness. The BCR-Abl gene silencing in combination with TKI treatments exhibited significant synergism in drug-resistant K562 cells in generating substantial antileukemic activity, where the TKIs on their own were not effective. The effect of BCR-Abl siRNA and TKIs on non-CML cells (Jurkat and primary fibroblast) was negligible, indicating the specificity of the proposed therapy. This strategy can significantly overcome TKI resistance in CML cells, suggesting a feasible and effective treatment model for CML patients suffering from clinical resistances.
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Affiliation(s)
- Remant Kc
- 1 Department of Chemical & Materials Engineering, Faculty of Engineering, University of Alberta, Edmonton, Canada
| | - Bindu Thapa
- 2 Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada
| | - Anyeld Ubeda
- 3 Department of Biomedical Engineering, Faculty of Medicine, University of Alberta, Edmonton, Canada
| | - Xiaoyan Jiang
- 4 Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Hasan Uludağ
- 1 Department of Chemical & Materials Engineering, Faculty of Engineering, University of Alberta, Edmonton, Canada.,2 Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada.,3 Department of Biomedical Engineering, Faculty of Medicine, University of Alberta, Edmonton, Canada
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28
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Zhao X, Qi H, Zhou J, Xu S, Gao Y. P27 Protects Cardiomyocytes from Sepsis via Activation of Autophagy and Inhibition of Apoptosis. Med Sci Monit 2018; 24:8565-8576. [PMID: 30478251 PMCID: PMC6278300 DOI: 10.12659/msm.912750] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/01/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND It has been reported that p27Kip1 plays an important role not only in the inhibition of cyclin-dependent kinases but also in the regulation of autophagy under various metabolically related stress conditions, including glucose deprivation and endoplasmic reticulum stress. However, its effect on lipopolysaccharide (LPS)-induced cardiomyocyte stress in vitro remains unclear. Here, we measured the increased expression of LC3-II and visualized autophagosomes in vitro by immunofluorescent assays after treatment with a p27 fusion protein. MATERIAL AND METHODS Cardiomyocyte contractile properties were assessed by measuring cell shortening and re-lengthening. Apoptosis was evaluated by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining. Western blot, colorectal ligation puncture (CLP) surgery, silencing of Atg5 expression by small interfering RNA (siRNA), and immunofluorescent assays were also performed in this study. RESULTS After exogenous delivery of the p27 fusion protein and overexpression of p27 in LPS-induced cardiomyocytes, we found lower expressions of caspase-3 and caspase-8 and reduced positive TUNEL staining. Improved cardiomyocyte mechanical functions and reduced apoptosis were diminished after treatment with various autophagy inhibitors. Intravenous injections of p27-expressing adeno-associated virus serotype 9 (AAV9) vectors resulted in cardiac specific overexpression of p27, and echocardiography was used to assess cardiac function and structure in sepsis rat models. We observed improved cardiac function and reversed adverse ventricular remolding after the introduction of AAV9 vectors. Meanwhile, apoptosis was reduced, and expression of LC3-II was elevated in septic rat models treated with AAV9 vectors compared to controls. CONCLUSIONS The study data demonstrated that the overexpression of p27 protects cardiomyocytes from sepsis-induced cardiac depression via the activation of autophagy and inhibition of apoptosis.
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Affiliation(s)
- Xianyuan Zhao
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, P.R. China
| | - Hong Qi
- Department of Traditional Chinese Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, P.R. China
| | - Jiamin Zhou
- Department of Hepatic Surgery, Shanghai Cancer Center, Fudan University, Shanghai, P.R. China
| | - Shuqi Xu
- Department of Gastroenterology, Shidong Hospital, Anhui University school of Medicine, Hefei, Anhui, P.R. China
| | - Yuan Gao
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, P.R. China
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Danışman Kalındemirtaş F, Birman H, Candöken E, Bilgiş Gazioğlu S, Melikoğlu G, Kuruca S. Cytotoxic Effects of Some Flavonoids and Imatinib on the K562 Chronic Myeloid Leukemia Cell Line: Data Analysis Using the Combination Index Method. Balkan Med J 2018; 36:96-105. [PMID: 30396879 PMCID: PMC6409953 DOI: 10.4274/balkanmedj.galenos.2018.2017.1244] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background: Flavonoids are natural compounds with antioxidant, anticarcinogenic, and anti-inflammatory effects. Aims: To determine the cytotoxic effects of flavonoids and drug resistance related to P-gp on K562 human chronic myeloid leukemia cells. We also aimed to evaluate the therapeutic potential of imatinib and flavonoid combinations. Study Design: Cell culture study. Methods: In this study, K562 cells were treated with apigenin, luteolin, 5-desmethyl sinensetin and the anticancer drug imatinib mesylate. The effect of flavonoids on K562 cell proliferation was detected using the 3-(4,5-dimethylthiazolyl)2,5‑diphenyl‑tetrazolium bromide assay. Concentrations of apigenin, luteolin, and 5-desmethyl sinensetin ranging from 25 to 200 μM and of imatinib from 5 to 50 μM administered for 72 h were studied. Apoptosis/necrosis and P-gp activity were measured using flow cytometry. The combined effects of different concentrations of flavonoids with imatinib were evaluated according to combination index values calculated using CompuSyn software. Results: In our study, the IC50 values for apigenin, luteolin, and 5-desmethyl sinensetin were found to be 140 μM, 100 μM, and >200 μM, respectively. Luteolin (100 μM) had the highest cytotoxic activity of these flavonoids. These results were statistically significant (p<0.05). Among the flavonoids studied, the combination of luteolin and imatinib was the most effective and is therefore recommended for its cytotoxic activity in the K562 cell line. After 72 h of incubation at their respective IC50 concentrations, all flavonoids were associated with an apoptosis rate of approximately 50%. P-glycoprotein activity was increased in all groups. Combination treatment may provide better outcomes in terms of cytotoxicity and thus reduce the dosages of imatinib used. Conclusion: The combination of some flavonoids and imatinib mesylate may increase the cytotoxic effect; However, the antagonistic effect should be considered in combined use on k562 cells.
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Affiliation(s)
| | - Hüsniye Birman
- Department of Physiology, İstanbul University İstanbul School of Medicine, İstanbul, Turkey
| | - Eda Candöken
- Department of Biochemistry, İstanbul University İstanbul School of Pharmacy, İstanbul, Turkey
| | - Sema Bilgiş Gazioğlu
- Department of Immunology, İstanbul University Institute of Experimental Medicine, İstanbul, Turkey
| | - Gülay Melikoğlu
- Department of Pharmacognosy, İstanbul University İstanbul School of Pharmacy, İstanbul, Turkey
| | - Serap Kuruca
- Department of Physiology, İstanbul University İstanbul School of Medicine, İstanbul, Turkey
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30
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Song S, Wu S, Wang Y, Wang Z, Ye C, Song R, Song D, Ruan Y. 17β-estradiol inhibits human umbilical vascular endothelial cell senescence by regulating autophagy via p53. Exp Gerontol 2018; 114:57-66. [PMID: 30399406 DOI: 10.1016/j.exger.2018.10.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 10/30/2018] [Accepted: 10/30/2018] [Indexed: 12/13/2022]
Abstract
Vascular endothelial cell (VEC) senescence is an initiating factor in numerous cardiovascular diseases. Recent studies showed that 17β-estradiol (17β-E2), an estrogen with numerous biological activities such as inhibition of atherosclerosis, protects VECs from senescence. However, the effects of 17β-E2 on human umbilical VECs (HUVECs) remain unknown. This study investigated the anti-senescent effect of 17β-E2 on HUVECs and explored the underlying mechanism with respect to autophagy and p53 activity. First, rapamycin and 3-methyladenine were used to clarify the relationship between autophagy and senescence in HUVECs, and an inverse relationship was demonstrated. Next, the effect of 17β-E2 on H2O2-induced senescence of HUVECs was examined. Increased autophagy induced by 17β-E2 inhibited H2O2-induced senescence of HUVECs, increased cell viability, and maintained HUVEC morphology. 17β-E2 pre-treatment also decreased cell cycle arrest, decreased the dephosphorylation of Rb, decreased the production of ET-1, and increased the production of NO. Most importantly, 17β-E2 pre-treatment increased autophagy by activating p53 and its downstream effector p53-upregulated modulator of apoptosis (PUMA). Overall, our data indicate the critical role of autophagy in the anti-senescent effect of 17β-E2 on HUVECs.
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Affiliation(s)
- Shicong Song
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Saizhu Wu
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yuyan Wang
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiwei Wang
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Changxiong Ye
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Rui Song
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Dongqing Song
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yunjun Ruan
- Department of Gerontology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Bamodu OA, Kuo KT, Yuan LP, Cheng WH, Lee WH, Ho YS, Chao TY, Yeh CT. HDAC inhibitor suppresses proliferation and tumorigenicity of drug-resistant chronic myeloid leukemia stem cells through regulation of hsa-miR-196a targeting BCR/ABL1. Exp Cell Res 2018; 370:519-530. [PMID: 30017934 DOI: 10.1016/j.yexcr.2018.07.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/06/2018] [Accepted: 07/10/2018] [Indexed: 12/20/2022]
Abstract
Failure to eradicate hematologic cancer stem cells (hCSCs) associated with resistance to tyrosine kinase inhibitors such as imatinib mesylate (IM) in chronic myeloid leukemia (CML) patients is a clinical challenge that highlights the need for discovering and developing therapeutic strategies that target and eliminate these hCSCs. Herein, we document the essential role of the interplay between histone deacetylases (HDACs), the polycomb group proteins, pluripotency transcription factors and the cell cycle machinery in the viability, oncogenicity and therapy evasion of IM-resistant CD34+/CD38- CML stem cells (CML-SCs). Using the proteotranscriptomic analyses of wild type (WT), CD34+/CD38+ and CD34+/CD38- K562 or KU812 cells, we showed that CD34+/CD38- SC-enriched cells expressed significantly higher levels of CD44, CD133, SOX2, Nanog, OCT4, and c-Myc mRNA and/or protein, compared to the WT or CD34+/CD38+ cells. This overexpression of stemness factors in the CD34+/CD38- cells positively correlates with enhanced expression of HDACs 1-6, cyclins D1/D3, CDK 2, 4 and 6, while inversely correlating with p18, p21 and p27. Enhanced co-expression of MDR1, survivin, and Bcl-2 proteins, supposedly involved in IM-resistance and CML-SC survival, was detected in both CD34+/CD38- and CD34+/CD38+ cells. Importantly, we demonstrate that in synergism with IM, SAHA reverses the tumor-promoting proteotranscriptomic profile noted above and elicits marked inhibition of the CML-SCs by up-regulating hsa-miR-196a expression. This hsa-miR-196a-mediated SC-limiting effect of SAHA is dose-dependent, low-dosed, cell cycle-modulating and accompanied by leukemic SC apoptosis. Interestingly, this anti-SC therapeutic activity of SAHA in vitro was reproduced in vivo using the NOD-SCID mice models.
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Affiliation(s)
- Oluwaseun Adebayo Bamodu
- Department of Hematology and Oncology, Cancer Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC; Department of Medical Research & Education, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC
| | - Kuang-Tai Kuo
- Division of Thoracic Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan, ROC; Division of Thoracic Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
| | - Li-Ping Yuan
- Department of Laboratory Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan, ROC
| | - Wei-Hong Cheng
- Department of Hematology and Oncology, Cancer Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC
| | - Wei-Hwa Lee
- Department of Pathology, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC
| | - Yuan-Soon Ho
- Graduate Institute of Medical Science, Taipei Medical University, Taipei City, Taiwan, ROC
| | - Tsu-Yi Chao
- Department of Hematology and Oncology, Cancer Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC; Department of Medical Research & Education, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC; Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei City, Taiwan, ROC.
| | - Chi-Tai Yeh
- Department of Hematology and Oncology, Cancer Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC; Department of Medical Research & Education, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan, ROC; Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei City, Taiwan, ROC.
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Środa-Pomianek K, Michalak K, Świątek P, Poła A, Palko-Łabuz A, Wesołowska O. Increased lipid peroxidation, apoptosis and selective cytotoxicity in colon cancer cell line LoVo and its doxorubicin-resistant subline LoVo/Dx in the presence of newly synthesized phenothiazine derivatives. Biomed Pharmacother 2018; 106:624-636. [PMID: 29990852 DOI: 10.1016/j.biopha.2018.06.170] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 06/29/2018] [Accepted: 06/29/2018] [Indexed: 10/28/2022] Open
Abstract
Cancer cells often develop the resistance to pro-apoptotic signaling that makes them invulnerable to conventional treatment. Therapeutic strategies that make cancer cells enter the path of apoptosis are desirable due to the avoidance of inflammatory reaction that usually accompanies necrosis. In the present study phenothiazines (fluphenazine and four recently synthesized derivatives) were investigated in order to identify compounds with a potent anticancer activity. Since phenothiazines are known as multidrug resistance modulators the sensitive human colorectal adenocarcinoma cell line (LoVo) and its doxorubicin-resistant, ABCB1 overexpressing, subline (LoVo/Dx) have been employed as a model system. In studied cancer cells cytotoxic effect of the phenothiazine derivatives was accompanied by apoptosis and autophagy induction as well as by the increase of cellular lipid peroxidation and intracellular reactive oxygen species generation. Molecular modelling revealed that reactivity of phenothazines (manifested by their low energy gap) but not lipophilicity was positively correlated with their anticancer potency, pro-oxidant properties and apoptosis induction ability. Additionally, some of the studied compounds turned out to be more potent cytotoxic and pro-apoptotic agents in doxorubicin-resistant (LoVo/Dx) cells than in sensitive ones (LoVo). The hypothesis was assumed that studied phenothiazine derivatives induced apoptotic cell death by increasing the production of reactive oxygen species.
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Affiliation(s)
- Kamila Środa-Pomianek
- Department of Biophysics, Wroclaw Medical University, ul. Chalubinskiego 10, 50-368 Wroclaw, Poland.
| | - Krystyna Michalak
- Department of Biophysics, Wroclaw Medical University, ul. Chalubinskiego 10, 50-368 Wroclaw, Poland
| | - Piotr Świątek
- Department of Drug Chemistry, Wroclaw Medical University, ul. Borowska 211, 50-556 Wroclaw, Poland
| | - Andrzej Poła
- Department of Biophysics, Wroclaw Medical University, ul. Chalubinskiego 10, 50-368 Wroclaw, Poland
| | - Anna Palko-Łabuz
- Department of Biophysics, Wroclaw Medical University, ul. Chalubinskiego 10, 50-368 Wroclaw, Poland
| | - Olga Wesołowska
- Department of Biophysics, Wroclaw Medical University, ul. Chalubinskiego 10, 50-368 Wroclaw, Poland
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Sun Y, Zheng Y, Wang C, Liu Y. Glutathione depletion induces ferroptosis, autophagy, and premature cell senescence in retinal pigment epithelial cells. Cell Death Dis 2018; 9:753. [PMID: 29988039 PMCID: PMC6037763 DOI: 10.1038/s41419-018-0794-4] [Citation(s) in RCA: 329] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 06/09/2018] [Accepted: 06/14/2018] [Indexed: 12/28/2022]
Abstract
Glutathione (GSH) protects against oxidative damage in many tissues, including retinal pigment epithelium (RPE). Oxidative stress-mediated senescence and death of RPE and subsequent death of photoreceptors have been observed in age-related macular degeneration (AMD). Although the consequences of GSH depletion have been described previously, questions remain regarding the molecular mechanisms. We herein examined the downstream effects of GSH depletion on stress-induced premature senescence (SIPS) and cell death in human RPE cells. Briefly, cultured ARPE-19 cells were depleted of GSH using: (1) incubation in cystine (Cys2)-free culture medium; (2) treatment with buthionine sulphoximine (BSO, 1000 µM) to block de novo GSH synthesis for 24-48 h; or (3) treatment with erastin (10 µM for 12-24 h) to inhibit Cys2/glutamate antiporter (system xc-). These treatments decreased cell viability and increased both soluble and lipid reactive oxygen species (ROS) generation but did not affect mitochondrial ROS or mitochondrial mass. Western blot analysis revealed decreased expression of ferroptotic modulator glutathione peroxidase 4 (GPX4). Increased autophagy was apparent, as reflected by increased LC3 expression, autophagic vacuoles, and autophagic flux. In addition, GSH depletion induced SIPS, as evidenced by increased percentage of the senescence-associated β-galactosidase-positive cells, increased senescence-associated heterochromatin foci (SAHF), as well as cell cycle arrest at the G1 phase. GSH depletion-dependent cell death was prevented by selective ferroptosis inhibitors (8 μM Fer-1 and 600 nM Lip-1), iron chelator DFO (80 μM), as well as autophagic inhibitors Baf-A1 (75 nM) and 3-MA (10 mM). Inhibiting autophagy with Baf-A1 (75 nM) or 3-MA (10 mM) promoted SIPS. In contrast, inducing autophagy with rapamycin (100 nM) attenuated SIPS. Our findings suggest that GSH depletion induces ferroptosis, autophagy, and SIPS. In addition, we found that autophagy is activated in the process of ferroptosis and reduces SIPS, suggesting an essential role of autophagy in ferroptosis and SIPS.
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Affiliation(s)
- Yun Sun
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Yingfeng Zheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Chunxiao Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Yizhi Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.
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Zhou L, Chen X, Liu T, Zhu C, Si M, Jargstorf J, Li M, Pan G, Gong Y, Luo ZP, Yang H, Pei M, He F. SIRT1-dependent anti-senescence effects of cell-deposited matrix on human umbilical cord mesenchymal stem cells. J Tissue Eng Regen Med 2018; 12:e1008-e1021. [PMID: 28107614 PMCID: PMC9805355 DOI: 10.1002/term.2422] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 10/07/2016] [Accepted: 01/17/2017] [Indexed: 01/03/2023]
Abstract
Human umbilical cord-derived mesenchymal stem cells (UC-MSCs) are considered an attractive cell source for tissue regeneration. However, environmental oxidative stress can trigger premature senescence in MSCs and thus compromises their regenerative potential. Extracellular matrix (ECM) derived from MSCs has been shown to facilitate cell proliferation and multi-lineage differentiation. This investigation evaluated the effect of cell-deposited decellularized ECM (DECM) on oxidative stress-induced premature senescence in UC-MSCs. Sublethal dosages of H2 O2 , ranging from 50 μm to 200 μm, were used to induce senescence in MSCs. We found that DECM protected UC-MSCs from oxidative stress-induced premature senescence. When treated with H2 O2 at the same concentration, cell proliferation of DECM-cultured UC-MSCs was twofold higher than those on standard tissue culture polystyrene (TCPS). After exposure to 100 μm H2 O2 , fewer senescence-associated β-galactosidase-positive cells were observed on DECM than those on TCPS (17.6 ± 4.0% vs. 60.4 ± 6.2%). UC-MSCs cultured on DECM also showed significantly lower levels of senescence-related regulators, such as p16INK4α and p21. Most importantly, DECM preserved the osteogenic differentiation potential of UC-MSCs with premature senescence. The underlying molecular mechanisms involved the silent information regulator type 1 (SIRT1)-dependent signalling pathway, confirmed by the fact that the SIRT1 inhibitor nicotinamide counteracted the DECM-mediated anti-senescent effect. Collagen type I, rather than fibronectin, partially contributed to the protective effect of decellularized matrix. These findings provide a new strategy of using stem cell-deposited matrix to overcome the challenge of cellular senescence and to facilitate the clinical application of MSCs in regenerative medicine. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Long Zhou
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xi Chen
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,School of Biology and Basic Medical Sciences, Medical College, Soochow University, Suzhou, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Caihong Zhu
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Michelle Si
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Departments of Biology and Chemistry, Faculty of Science, University of Waterloo, Waterloo, ON, Canada
| | - Joseph Jargstorf
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Biology, Faculty of Science, University of Waterloo, Waterloo, ON, Canada
| | - Mao Li
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Guoqing Pan
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Yihong Gong
- School of Engineering, Sun Yat-sen University, Guangzhou, China
| | - Zong-Ping Luo
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Huilin Yang
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics and Division of Exercise Physiology, West Virginia University, Morgantown, WV, USA
| | - Fan He
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China,Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
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Han BI, Hwang SH, Lee M. A progressive reduction in autophagic capacity contributes to induction of replicative senescence in Hs68 cells. Int J Biochem Cell Biol 2017; 92:18-25. [PMID: 28918366 DOI: 10.1016/j.biocel.2017.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/16/2017] [Accepted: 09/12/2017] [Indexed: 01/20/2023]
Abstract
Autophagy has been implicated in delayed aging and extended longevity. Here, we aimed to study the possible effects of autophagy during the progression of replicative senescence, which is one of the major features of aging. Human foreskin fibroblasts, Hs68 cells, at an initial passage of 15 were serially cultured for several months until they reached cellular senescence. A decrease in cell proliferation was observed during the progression of senescence. Induction of replicative senescence in aged cells (at passage 40) was confirmed by senescence-associated β-galactosidase (SA-β-gal) activity that represents a sensitive and reliable marker for quantifying senescent cells. We detected a significantly increased percentage (%) of SA-β-gal-positive cells at passage 40 (63%) when compared with the younger SA-β-gal-positive cells at passage 15 (0.5%). Notably, the gradual decrease in basal autophagy coincided with replicative senescence induction. However, despite decreased basal autophagic activity in senescent cells, autophagy inducers could induce autophagy in senescent cells. RT-PCR analysis of 11 autophagy-related genes revealed that the decreased basal autophagy in senescent cells might be due to the downregulation of autophagy-regulatory proteins, but not autophagy machinery components. Moreover, the senescence phenotype was not induced in the cells in which rapamycin was added to the culture to continuously induce autophagy from passage 29 until passage 40. Together, our findings suggest that reduced basal autophagy levels due to downregulation of autophagy-regulatory proteins may be the mechanism underlying replicative senescence in Hs68 cells.
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Affiliation(s)
- Byeal-I Han
- Toxicological Screening and Testing Division, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheoungju-si, Chungcheongbuk-do, 28159, Republic of Korea
| | - Sung-Hee Hwang
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Michael Lee
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea.
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Lee CS, Baek J, Han SY. The Role of Kinase Modulators in Cellular Senescence for Use in Cancer Treatment. Molecules 2017; 22:molecules22091411. [PMID: 28841181 PMCID: PMC6151769 DOI: 10.3390/molecules22091411] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 08/22/2017] [Accepted: 08/24/2017] [Indexed: 12/27/2022] Open
Abstract
Recently, more than 30 small molecules and eight monoclonal antibodies that modulate kinase signaling have been approved for the treatment of several pathological conditions, including cancer, idiopathic pulmonary fibrosis, and rheumatoid arthritis. Among them, kinase modulators have been a primary focus for use in cancer treatment. Cellular senescence is believed to protect cells from tumorigenesis by irreversibly halting cell cycle progression and avoiding the growth of damaged cells and tissues. Senescence can also contribute to tumor suppression and be utilized as a mechanism by anti-cancer agents. Although the role of kinase modulators in cancer treatment and their effects on senescence in tumor development have been extensively studied, the relationship between kinase modulators for cancer treatment and senescence has not been fully discussed. In this review, we discuss the pro- and anti-tumorigenesis functions of senescence and summarize the key roles of kinase modulators in the regulation of senescence against tumors.
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Affiliation(s)
- Chang Sup Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, 501 Jinju-daero, Jinju, Gyeongnam 52828, Korea.
| | - Juhwa Baek
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, 501 Jinju-daero, Jinju, Gyeongnam 52828, Korea.
| | - Sun-Young Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, 501 Jinju-daero, Jinju, Gyeongnam 52828, Korea.
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Ruvolo PP. GSK-3 as a novel prognostic indicator in leukemia. Adv Biol Regul 2017; 65:26-35. [PMID: 28499784 DOI: 10.1016/j.jbior.2017.05.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 05/05/2017] [Accepted: 05/07/2017] [Indexed: 06/07/2023]
Abstract
While leukemias represent a diverse set of diseases with malignant cells derived from myeloid or lymphoid origin, a common feature is the dysregulation of signal transduction pathways that influence leukemogeneisis, promote drug resistance, and favor leukemia stem cells. Mutations in PI3K, PTEN, RAS, or other upstream regulators can activate the AKT kinase which has central roles in supporting cell proliferation and survival. A major target of AKT is Glycogen Synthase Kinase 3 (GSK3). GSK3 has two isoforms (alpha and beta) that were studied as regulators of metabolism but emerged as central players in cancer in the early 1990s. GSK3 is unique in that the isoforms are constitutively active. Active GSK3 promotes destruction of oncogenic proteins such as beta Catenin, c-MYC, and MCL-1 and thus has tumor suppressor properties. In AML, inactivation of GSK3 is associated with poor overall survival. Interestingly in some leukemias GSK3 targets a tumor suppressor and thus the kinases can act as tumor promoters in those instances. An example is GSK3 targeting p27Kip1 in AML with MLL translocation. This review will cover the role of GSK3 in various leukemias both as tumor suppressor and tumor promoter. We will also briefly cover current state of GSK3 inhibitors for leukemia therapy.
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Affiliation(s)
- Peter P Ruvolo
- Department of Leukemia, Unit 448, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, United States.
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38
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Ianniciello A, Dumas PY, Drullion C, Guitart A, Villacreces A, Peytour Y, Chevaleyre J, Brunet de la Grange P, Vigon I, Desplat V, Priault M, Sbarba PD, Ivanovic Z, Mahon FX, Pasquet JM. Chronic myeloid leukemia progenitor cells require autophagy when leaving hypoxia-induced quiescence. Oncotarget 2017; 8:96984-96992. [PMID: 29228587 PMCID: PMC5722539 DOI: 10.18632/oncotarget.18904] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 06/17/2017] [Indexed: 12/15/2022] Open
Abstract
Albeit tyrosine kinase inhibitors anti-Abl used in Chronic Myeloid Leukemia (CML) block the deregulated activity of the Bcr-Abl tyrosine kinase and induce remission in 90% of patients, they do not eradicate immature hematopoietic compartments of leukemic stem cells. To elucidate if autophagy is important for stem cell survival and/or proliferation, we used culture in low oxygen concentration (0.1% O2 for 7 days) followed back by non-restricted O2 supply (normoxic culture) to mimic stem cell proliferation and commitment. Knockdown of Atg7 expression, a key player in autophagy, in K562 cell line inhibited autophagy compared to control cells. Upon 7 days at 0.1% O2 both K562 and K562 shATG7 cells stopped to proliferate and a similar amount of viable cells remained. Back to non-restricted O2 supply K562 cells proliferate whereas K562 shATG7 cells exhibited strong apoptosis. Using immunomagnetic sorted normal and CML CD34+ cells, we inhibited the autophagic process by lentiviral infection expressing shATG7 or using a Vps34 inhibitor. Both, normal and CML CD34+ cells either competent or deficient for autophagy stopped to proliferate in hypoxia. Surprisingly, while normal CD34+ cells proliferate back to non restricted O2 supply, the CML CD34+ cells deficient for autophagy failed to proliferate. All together, these results suggest that autophagy is required for CML CD34+ commitment while it is dispensable for normal CD34 cells.
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Affiliation(s)
- Angela Ianniciello
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Pierre-Yves Dumas
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Claire Drullion
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Amélie Guitart
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Arnaud Villacreces
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Yan Peytour
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Jean Chevaleyre
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France.,Etablissement Français du Sang Aquitaine-Limousin, 33075 Bordeaux, France
| | - Philippe Brunet de la Grange
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France.,Etablissement Français du Sang Aquitaine-Limousin, 33075 Bordeaux, France
| | - Isabelle Vigon
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Vanessa Desplat
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
| | - Muriel Priault
- UMR CNRS 5095, I.B.G.C, Université de Bordeaux, 33077 Bordeaux Cedex, France
| | - Persio Dello Sbarba
- Department of Experimental and Clinical Biomedical Sciences, Università degli Studi di Firenze, 50134 Firenze, Italia
| | - Zoran Ivanovic
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France.,Etablissement Français du Sang Aquitaine-Limousin, 33075 Bordeaux, France
| | | | - Jean-Max Pasquet
- Cellules Souches Hématopoïétiques Normales et Leucémiques, INSERM U1035 BMGIC, Université de Bordeaux, 33076 Bordeaux Cedex, France
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Vinhas R, Fernandes AR, Baptista PV. Gold Nanoparticles for BCR-ABL1 Gene Silencing: Improving Tyrosine Kinase Inhibitor Efficacy in Chronic Myeloid Leukemia. MOLECULAR THERAPY. NUCLEIC ACIDS 2017. [PMID: 28624216 PMCID: PMC5436101 DOI: 10.1016/j.omtn.2017.05.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Introduction of tyrosine kinase inhibitors for chronic myeloid leukemia treatment is associated with a 63% probability of maintaining a complete cytogenetic response, meaning that over 30% patients require an alternative methodology to overcome resistance, tolerance, or side effects. Considering the potential of nanotechnology in cancer treatment and the benefits of a combined therapy with imatinib, a nanoconjugate was designed to achieve BCR-ABL1 gene silencing. Gold nanoparticles were functionalized with a single-stranded DNA oligonucleotide that selectively targets the e14a2 BCR-ABL1 transcript expressed by K562 cells. This gold (Au)-nanoconjugate showed great efficacy in gene silencing that induced a significant increase in cell death. Variation of BCL-2 and BAX protein expression, an increase of caspase-3 activity, and apoptotic bodies in cells treated with the nanoconjugate demonstrate its aptitude for inducing apoptosis on K562 BCR-ABL1-expressing cells. Moreover, the combination of the silencing Au-nanoconjugate with imatinib prompted a decrease of imatinib IC50. This Au-nanoconjugate was also capable of inducing the loss of viability of imatinib-resistant K562 cells. This strategy shows that combination of Au-nanoconjugate and imatinib make K562 cells more vulnerable to chemotherapy and that the Au-nanoconjugate alone may overcome imatinib-resistance mechanisms, thus providing an effective treatment for chronic myeloid leukemia patients who exhibit drug tolerance.
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Affiliation(s)
- Raquel Vinhas
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Alexandra R Fernandes
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - Pedro V Baptista
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
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40
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Souid S, Najjaa H, Riahi-Chebbi I, Haoues M, Neffati M, Arnault I, Auger J, Karoui H, Essafi M, Essafi-Benkhadir K. Allium RoseumL. Extract Exerts Potent Suppressive Activities on Chronic Myeloid Leukemia K562 Cell Viability Through the Inhibition of BCR-ABL, PI3K/Akt, and ERK1/2Pathways and the Abrogation of VEGF Secretion. Nutr Cancer 2016; 69:117-130. [DOI: 10.1080/01635581.2017.1248295] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lompardía SL, Díaz M, Papademetrio DL, Pibuel M, Álvarez É, Hajos SE. 4-methylumbelliferone and imatinib combination enhances senescence induction in chronic myeloid leukemia cell lines. Invest New Drugs 2016; 35:1-10. [DOI: 10.1007/s10637-016-0397-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 09/29/2016] [Indexed: 01/07/2023]
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Colecchia D, Rossi M, Sasdelli F, Sanzone S, Strambi A, Chiariello M. MAPK15 mediates BCR-ABL1-induced autophagy and regulates oncogene-dependent cell proliferation and tumor formation. Autophagy 2016; 11:1790-802. [PMID: 26291129 PMCID: PMC4824572 DOI: 10.1080/15548627.2015.1084454] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
A reciprocal translocation of the ABL1 gene to the BCR gene results in the expression of the oncogenic BCR-ABL1 fusion protein, which characterizes human chronic myeloid leukemia (CML), a myeloproliferative disorder considered invariably fatal until the introduction of the imatinib family of tyrosine kinase inhibitors (TKI). Nonetheless, insensitivity of CML stem cells to TKI treatment and intrinsic or acquired resistance are still frequent causes for disease persistence and blastic phase progression experienced in patients after initial successful therapies. Here, we investigated a possible role for the MAPK15/ERK8 kinase in BCR-ABL1-dependent autophagy, a key process for oncogene-induced leukemogenesis. In this context, we showed the ability of MAPK15 to physically recruit the oncogene to autophagic vesicles, confirming our hypothesis of a biologically relevant role for this MAP kinase in signal transduction by this oncogene. Indeed, by modeling BCR-ABL1 signaling in HeLa cells and taking advantage of a physiologically relevant model for human CML, i.e. K562 cells, we demonstrated that BCR-ABL1-induced autophagy is mediated by MAPK15 through its ability to interact with LC3-family proteins, in a LIR-dependent manner. Interestingly, we were also able to interfere with BCR-ABL1-induced autophagy by a pharmacological approach aimed at inhibiting MAPK15, opening the possibility of acting on this kinase to affect autophagy and diseases depending on this cellular function. Indeed, to support the feasibility of this approach, we demonstrated that depletion of endogenous MAPK15 expression inhibited BCR-ABL1-dependent cell proliferation, in vitro, and tumor formation, in vivo, therefore providing a novel "druggable" link between BCR-ABL1 and human CML.
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Affiliation(s)
- David Colecchia
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy.,b Istituto di Fisiologia Clinica; Sede di Siena, CNR ; Siena , Italy
| | - Matteo Rossi
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy
| | - Federica Sasdelli
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy.,b Istituto di Fisiologia Clinica; Sede di Siena, CNR ; Siena , Italy
| | - Sveva Sanzone
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy
| | - Angela Strambi
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy
| | - Mario Chiariello
- a Istituto Toscano Tumori-Core Research Laboratory; Signal Transduction Unit, AOU Senese ; Siena Italy.,b Istituto di Fisiologia Clinica; Sede di Siena, CNR ; Siena , Italy
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Deng M, Wang J, Chen Y, Zhang L, Xie G, Liu Q, Zhang T, Yuan P, Liu D. Silencing cyclin-dependent kinase inhibitor 3 inhibits the migration of breast cancer cell lines. Mol Med Rep 2016; 14:1523-30. [PMID: 27314680 PMCID: PMC4940103 DOI: 10.3892/mmr.2016.5401] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 05/31/2016] [Indexed: 12/30/2022] Open
Abstract
Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dual-specificity protein phosphatase family, which is hypothesized to regulate cell cycle progression in tumor cells. However, whether CDKN3 is a potential therapeutic target for breast cancer remains to be elucidated. The present in vitro study aimed to investigate the potential roles of CDKN3 in breast cancer. Breast cancer cell lines were used to detect CDKN3 expression, and CDKN3 expression was silenced to investigate its role in cell apoptosis, cell cycle arrest and migration. The underlying mechanisms were screened by detecting proliferating cell nuclear antigen (PCNA), Ras homolog gene family, member A (RhoA), vimentin, B‑cell lymphoma 2 (Bcl‑2) and Bcl‑2‑associated X protein (Bax) expression. CDKN3 was highly expressed in MCF‑7 and BT474 cell lines. The silencing of CDKN3 in MCF‑7 and BT474 cell lines promoted cell apoptosis, induced G1 phase cell cycle arrest and inhibited cell migration. The expression levels of PCNA, RhoA, vimentin and Bcl‑2 were downregulated following CDKN3 silencing. Conversely, Bax expression was increased, as compared with the vehicle control. These results suggest that CDKN3 acts as an oncogene during breast cancer progression. The in vitro silencing of CDKN3 promoted apoptosis, induced G1 phase cell cycle arrest and inhibited cell migration. Possible mechanisms are associated with the regulation of PCNA, Bcl‑2, vimentin, RhoA and Bax expression. CDKN3 may therefore be considered a potential target for the treatment of breast cancer.
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Affiliation(s)
- Miao Deng
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Jianguang Wang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Yanbin Chen
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Like Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Gangqiang Xie
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Qipeng Liu
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Ting Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Pengfei Yuan
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Dechun Liu
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
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Lompardía SL, Díaz M, Papademetrio DL, Mascaró M, Pibuel M, Álvarez E, Hajos SE. Hyaluronan oligomers sensitize chronic myeloid leukemia cell lines to the effect of Imatinib. Glycobiology 2015; 26:343-52. [DOI: 10.1093/glycob/cwv107] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 11/11/2015] [Indexed: 02/06/2023] Open
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Ishii Y, Nhiayi MK, Tse E, Cheng J, Massimino M, Durden DL, Vigneri P, Wang JYJ. Knockout Serum Replacement Promotes Cell Survival by Preventing BIM from Inducing Mitochondrial Cytochrome C Release. PLoS One 2015; 10:e0140585. [PMID: 26473951 PMCID: PMC4608728 DOI: 10.1371/journal.pone.0140585] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 09/27/2015] [Indexed: 12/21/2022] Open
Abstract
Knockout serum replacement (KOSR) is a nutrient supplement commonly used to replace serum for culturing stem cells. We show here that KOSR has pro-survival activity in chronic myelogenous leukemia (CML) cells transformed by the BCR-ABL oncogene. Inhibitors of BCR-ABL tyrosine kinase kill CML cells by stimulating pro-apoptotic BIM and inhibiting anti-apoptotic BCL2, BCLxL and MCL1. We found that KOSR protects CML cells from killing by BCR-ABL inhibitors—imatinib, dasatinib and nilotinib. The protective effect of KOSR is reversible and not due to the selective outgrowth of drug-resistant clones. In KOSR-protected CML cells, imatinib still inhibited the BCR-ABL tyrosine kinase, reduced the phosphorylation of STAT, ERK and AKT, down-regulated BCL2, BCLxL, MCL1 and up-regulated BIM. However, these pro-apoptotic alterations failed to cause cytochrome c release from the mitochondria. With mitochondria isolated from KOSR-cultured CML cells, we showed that addition of recombinant BIM protein also failed to cause cytochrome c release. Besides the kinase inhibitors, KOSR could protect cells from menadione, an inducer of oxidative stress, but it did not protect cells from DNA damaging agents. Switching from serum to KOSR caused a transient increase in reactive oxygen species and AKT phosphorylation in CML cells that were protected by KOSR but not in those that were not protected by this nutrient supplement. Treatment of KOSR-cultured cells with the PH-domain inhibitor MK2206 blocked AKT phosphorylation, abrogated the formation of BIM-resistant mitochondria and stimulated cell death. These results show that KOSR has cell-context dependent pro-survival activity that is linked to AKT activation and the inhibition of BIM-induced cytochrome c release from the mitochondria.
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Affiliation(s)
- Yuki Ishii
- Division of Hematology-Oncology, Department of Medicine, School of Medicine, University of California San Diego, San Diego, California, United States of America
- Moores Cancer Center, University of California San Diego, San Diego, California, United States of America
| | - May Keu Nhiayi
- Division of Hematology-Oncology, Department of Medicine, School of Medicine, University of California San Diego, San Diego, California, United States of America
- Moores Cancer Center, University of California San Diego, San Diego, California, United States of America
| | - Edison Tse
- Division of Hematology-Oncology, Department of Medicine, School of Medicine, University of California San Diego, San Diego, California, United States of America
- Moores Cancer Center, University of California San Diego, San Diego, California, United States of America
| | - Jonathan Cheng
- Division of Biological Sciences, University of California San Diego, San Diego, California, United States of America
| | - Michele Massimino
- Department of Clinical and Molecular Bio-Medicine, University of Catania, Catania, Italy
| | - Donald L. Durden
- Moores Cancer Center, University of California San Diego, San Diego, California, United States of America
- Department of Pediatrics, School of Medicine, University of California San Diego, San Diego, California, United States of America
| | - Paolo Vigneri
- Department of Clinical and Molecular Bio-Medicine, University of Catania, Catania, Italy
| | - Jean Y. J. Wang
- Division of Hematology-Oncology, Department of Medicine, School of Medicine, University of California San Diego, San Diego, California, United States of America
- Moores Cancer Center, University of California San Diego, San Diego, California, United States of America
- Division of Biological Sciences, University of California San Diego, San Diego, California, United States of America
- * E-mail:
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Blockade of autophagy enhances proapoptotic potential of BI-69A11, a novel Akt inhibitor, in colon carcinoma. Eur J Pharmacol 2015; 765:217-27. [DOI: 10.1016/j.ejphar.2015.08.039] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 12/19/2022]
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Tortorella SM, Hung A, Karagiannis TC. The implication of cancer progenitor cells and the role of epigenetics in the development of novel therapeutic strategies for chronic myeloid leukemia. Antioxid Redox Signal 2015; 22:1425-62. [PMID: 25366930 DOI: 10.1089/ars.2014.6096] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SIGNIFICANCE Chronic myeloid leukemia (CML) involves the malignant transformation of hematopoietic stem cells, defined largely by the Philadelphia chromosome and expression of the breakpoint cluster region-Abelson (BCR-ABL) oncoprotein. Pharmacological tyrosine kinase inhibitors (TKIs), including imatinib mesylate, have overcome limitations in conventional treatment for the improved clinical management of CML. RECENT ADVANCES Accumulated evidence has led to the identification of a subpopulation of quiescent leukemia progenitor cells with stem-like self renewal properties that may initiate leukemogenesis, which are also shown to be present in residual disease due to their insensitivity to tyrosine kinase inhibition. CRITICAL ISSUES The characterization of quiescent leukemia progenitor cells as a unique cell population in CML pathogenesis has become critical with the complete elucidation of mechanisms involved in their survival independent of BCR-ABL that is important in the development of novel anticancer strategies. Understanding of these functional pathways in CML progenitor cells will allow for their selective therapeutic targeting. In addition, disease pathogenesis and drug responsiveness is also thought to be modulated by epigenetic regulatory mechanisms such as DNA methylation, histone acetylation, and microRNA expression, with a capacity to control CML-associated gene transcription. FUTURE DIRECTIONS A number of compounds in combination with TKIs are under preclinical and clinical investigation to assess their synergistic potential in targeting leukemic progenitor cells and/or the epigenome in CML. Despite the collective promise, further research is required in order to refine understanding, and, ultimately, advance antileukemic therapeutic strategies.
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Affiliation(s)
- Stephanie M Tortorella
- 1 Epigenomic Medicine, Baker IDI Heart and Diabetes Institute, The Alfred Medical Research and Education Precinct , Melbourne, Australia
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Sümbül AT, Göğebakan B, Ergün S, Yengil E, Batmacı CY, Tonyalı Ö, Yaldız M. miR-204-5p expression in colorectal cancer: an autophagy-associated gene. Tumour Biol 2014; 35:12713-9. [PMID: 25209181 DOI: 10.1007/s13277-014-2596-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 09/03/2014] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are important factors during tumorigenesis by affecting posttranscriptional gene expression. miRNA 204 (miR-204) is a miRNA frequently investigated in different types of cancers. According to literature, autophagy has dual roles in cancer, acting as both a tumor suppressor and cell survival agent. Also, the current data suggests that autophagy is activated in human colorectal cancer cells and enhances the aggressiveness of human colorectal cancer cells. So, our aim is to investigate potential effect of miR-204-5p on colorectal cancer by associating its expression with autophagy-related targets of miR-204-5p. This is the first miRNA study conducted on patients with colorectal cancer and healthy subjects and also to search the relation of miR-204-5p with clinicopathological factors and survival. Sixty-six patients with colorectal cancer and healthy subjects without any known chronic disease were enrolled into our study. Total miRNA was isolated from paraffin-embedded tissues of all patients' cancerous and normal tissues, and healthy subjects. cDNAs were obtained from this miRNAs by reverse transcriptase method, and miR-204-5p relative expression levels were detected by qRT-PCR method. Patients were divided into two groups according to median relative expression levels of miR-204-5p, as low- and high-expression group. Relation of miR-204-5p with clinicopathological factors and overall survival was also investigated. Medians of miR-204-5p relative expression levels in cancerous and normal tissues of patients were found as 0.00235 and 0.00376, respectively. The difference between two groups was not statistically significant (p = 0.11). Nonetheless, median of miR-204-5p relative expression levels in healthy subjects were found as 0.00135, and the difference between patient with cancer and healthy subjects and between normal tissues of patients and healthy subjects were statistically significant (p = 0.021 and p = 0.0005, respectively). There were 32 patients (48.5 %) showing high expression and 34 patients (51.5 %) showing low expression according to miR-204-5p relative expression levels. There were no statistically significant relation between clinicopathologic features and miR-204-5p relative expression levels. We also investigated the relation between miR-204-5p relative expression levels and overall survival, and no statistically significant relation was found between them (p = 0.462). The absence of any significant difference between tumor and non-tumor samples, low sample size, and performance at just one center are the limitations of our study. In opposition to literature, miR-204-5p is overexpressed in colorectal cancer patients as compared with healthy subjects and this situation is not associated with clinicopathological factors and overall survival. This may be explained by the fact that miR-204-5p increases in colorectal cancer cases in order to inhibit increased activity of LC3B-II in autophagy and Bcl2 against apoptosis posttranscriptionally and to take role as tumor suppressor.
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Affiliation(s)
- Ahmet Taner Sümbül
- Department of Medical Oncology, Medical Faculty, Mustafa Kemal University, Hatay, Turkey,
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A calpain-cleaved fragment of β-catenin promotes BCRABL1+ cell survival evoked by autophagy induction in response to imatinib. Cell Signal 2014; 26:1690-7. [DOI: 10.1016/j.cellsig.2014.04.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 04/08/2014] [Indexed: 12/25/2022]
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50
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Pagani IS, Spinelli O, Mattarucchi E, Pirrone C, Pigni D, Amelotti E, Lilliu S, Boroni C, Intermesoli T, Giussani U, Caimi L, Bolda F, Baffelli R, Candi E, Pasquali F, Lo Curto F, Lanfranchi A, Porta F, Rambaldi A, Porta G. Genomic quantitative real-time PCR proves residual disease positivity in more than 30% samples with negative mRNA-based qRT-PCR in Chronic Myeloid Leukemia. Oncoscience 2014; 1:510-21. [PMID: 25594053 PMCID: PMC4278316 DOI: 10.18632/oncoscience.65] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Accepted: 07/23/2014] [Indexed: 12/20/2022] Open
Abstract
Imatinib mesylate (IM) is the first line therapy against Chronic Myeloid Leukemia, effectively prolonging overall survival. Because discontinuation of treatment is associated with relapse, IM is required indefinitely to maintain operational cure. To assess minimal residual disease, cytogenetic analysis is insensitive in a high background of normal lymphocytes. The qRT-PCR provides highly sensitive detection of BCR-ABL1 transcripts, but mRNA levels are not directly related to the number of leukemic cells, and undetectable results are difficult to interpret. We developed a sensitive approach to detect the number of leukemic cells by a genomic DNA (gDNA) Q-PCR assay based on the break-point sequence, with a formula to calculate the number of Ph-positive cells. We monitored 8 CML patients treated with IM for more than 8 years. We tested each samples by patient specific gDNA Q-PCR in parallel by the conventional techniques. In all samples positive for chimeric transcripts we showed corresponding chimeric gDNA by Q-PCR, and in 32.8% (42/128) of samples with undetectable levels of mRNA we detected the persistence of leukemic cells. The gDNA Q-PCR assay could be a new diagnostic tool used in parallel to conventional techniques to support the clinician's decision to vary or to STOP IM therapy.
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Affiliation(s)
- Ilaria S Pagani
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy ; Department of Experimental Medicine and Surgery, Tor Vergata University, Rome, Italy
| | - Orietta Spinelli
- Hematology laboratory, USC Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Elia Mattarucchi
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Cristina Pirrone
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Diana Pigni
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Elisabetta Amelotti
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Silvia Lilliu
- Hematology laboratory, USC Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Chiara Boroni
- Hematology laboratory, USC Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Tamara Intermesoli
- Hematology laboratory, USC Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Ursula Giussani
- Laboratory of Medical Genetics, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Luigi Caimi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Federica Bolda
- Laboratory of chemical-clinical analysis, Section of Hematology and blood coagulation, Stem Cells laboratory, Spedali Civili of Brescia, Brescia, Italy
| | - Renata Baffelli
- Laboratory of chemical-clinical analysis, Section of Hematology and blood coagulation, Stem Cells laboratory, Spedali Civili of Brescia, Brescia, Italy
| | - Eleonora Candi
- Department of Experimental Medicine and Surgery, Tor Vergata University, Rome, Italy
| | - Francesco Pasquali
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Francesco Lo Curto
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
| | - Arnalda Lanfranchi
- Laboratory of chemical-clinical analysis, Section of Hematology and blood coagulation, Stem Cells laboratory, Spedali Civili of Brescia, Brescia, Italy
| | - Fulvio Porta
- Laboratory of chemical-clinical analysis, Section of Hematology and blood coagulation, Stem Cells laboratory, Spedali Civili of Brescia, Brescia, Italy
| | - Alessandro Rambaldi
- Hematology laboratory, USC Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Giovanni Porta
- Department of Experimental and Clinical Medicine, Insubria University, Varese, Italy
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