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Elzoghby AO, Samir O, Emam HE, Soliman A, Abdelgalil RM, Elmorshedy YM, Elkhodairy KA, Nasr ML. Engineering nanomedicines for immunogenic eradication of cancer cells: Recent trends and synergistic approaches. Acta Pharm Sin B 2024; 14:2475-2504. [PMID: 38828160 PMCID: PMC11143780 DOI: 10.1016/j.apsb.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 02/07/2024] [Accepted: 03/09/2024] [Indexed: 06/05/2024] Open
Abstract
Resistance to cancer immunotherapy is mainly attributed to poor tumor immunogenicity as well as the immunosuppressive tumor microenvironment (TME) leading to failure of immune response. Numerous therapeutic strategies including chemotherapy, radiotherapy, photodynamic, photothermal, magnetic, chemodynamic, sonodynamic and oncolytic therapy, have been developed to induce immunogenic cell death (ICD) of cancer cells and thereby elicit immunogenicity and boost the antitumor immune response. However, many challenges hamper the clinical application of ICD inducers resulting in modest immunogenic response. Here, we outline the current state of using nanomedicines for boosting ICD of cancer cells. Moreover, synergistic approaches used in combination with ICD inducing nanomedicines for remodeling the TME via targeting immune checkpoints, phagocytosis, macrophage polarization, tumor hypoxia, autophagy and stromal modulation to enhance immunogenicity of dying cancer cells were analyzed. We further highlight the emerging trends of using nanomaterials for triggering amplified ICD-mediated antitumor immune responses. Endoplasmic reticulum localized ICD, focused ultrasound hyperthermia, cell membrane camouflaged nanomedicines, amplified reactive oxygen species (ROS) generation, metallo-immunotherapy, ion modulators and engineered bacteria are among the most innovative approaches. Various challenges, merits and demerits of ICD inducer nanomedicines were also discussed with shedding light on the future role of this technology in improving the outcomes of cancer immunotherapy.
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Affiliation(s)
- Ahmed O. Elzoghby
- Division of Engineering in Medicine and Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02115, MA, USA
| | - Omar Samir
- Division of Engineering in Medicine and Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02115, MA, USA
| | - Hagar E. Emam
- Division of Engineering in Medicine and Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02115, MA, USA
| | - Ahmed Soliman
- Division of Engineering in Medicine and Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02115, MA, USA
| | - Riham M. Abdelgalil
- Cancer Nanotechnology Research Laboratory (CNRL), Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Yomna M. Elmorshedy
- Cancer Nanotechnology Research Laboratory (CNRL), Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Kadria A. Elkhodairy
- Cancer Nanotechnology Research Laboratory (CNRL), Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Mahmoud L. Nasr
- Division of Engineering in Medicine and Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02115, MA, USA
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2
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Cheng S, Wang H, Kang X, Zhang H. Immunotherapy Innovations in the Fight against Osteosarcoma: Emerging Strategies and Promising Progress. Pharmaceutics 2024; 16:251. [PMID: 38399305 PMCID: PMC10892906 DOI: 10.3390/pharmaceutics16020251] [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: 11/13/2023] [Revised: 01/20/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
Immunosuppressive elements within the tumor microenvironment are the primary drivers of tumorigenesis and malignant advancement. The presence, as well as the crosstalk between myeloid-derived suppressor cells (MDSCs), osteosarcoma-associated macrophages (OS-Ms), regulatory T cells (Tregs), and endothelial cells (ECs) with osteosarcoma cells cause the poor prognosis of OS. In addition, the consequent immunosuppressive factors favor the loss of treatment potential. Nanoparticles offer a means to dynamically and locally manipulate immuno-nanoparticles, which present a promising strategy for transforming OS-TME. Additionally, chimeric antigen receptor (CAR) technology is effective in combating OS. This review summarizes the essential mechanisms of immunosuppressive cells in the OS-TME and the current immune-associated strategies. The last part highlights the limitations of existing therapies and offers insights into future research directions.
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Affiliation(s)
- Shigao Cheng
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
- Department of Orthopedics, Hunan Loudi Central Hospital, Loudi 417000, China
| | - Huiyuan Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xuejia Kang
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Hui Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
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3
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Wu H, Wu X, Zhao M, Yan J, Li C, Zhang Z, Tang S, Wang R, Fei W. Regulating Cholesterol in Tumorigenesis: A Novel Paradigm for Tumor Nanotherapeutics. Int J Nanomedicine 2024; 19:1055-1076. [PMID: 38322754 PMCID: PMC10844012 DOI: 10.2147/ijn.s439828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/23/2024] [Indexed: 02/08/2024] Open
Abstract
During the past decade, "membrane lipid therapy", which involves the regulation of the structure and function of tumor cell plasma membranes, has emerged as a new strategy for cancer treatment. Cholesterol is an important component of the tumor plasma membrane and serves an essential role in tumor initiation and progression. This review elucidates the role of cholesterol in tumorigenesis (including tumor cell proliferation, invasion/metastasis, drug resistance, and immunosuppressive microenvironment) and elaborates on the potential therapeutic targets for tumor treatment by regulating cholesterol. More meaningfully, this review provides an overview of cholesterol-integrated membrane lipid nanotherapeutics for cancer therapy through cholesterol regulation. These strategies include cholesterol biosynthesis interference, cholesterol uptake disruption, cholesterol metabolism regulation, cholesterol depletion, and cholesterol-based combination treatments. In summary, this review demonstrates the tumor nanotherapeutics based on cholesterol regulation, which will provide a reference for the further development of "membrane lipid therapy" for tumors.
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Affiliation(s)
- Huifeng Wu
- Department of Urology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Xiaodong Wu
- Department of Gynecologic Oncology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Mengdan Zhao
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Jingjing Yan
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Chaoqun Li
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Zhewei Zhang
- Department of Urology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Sangsang Tang
- Department of Gynecologic Oncology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Rong Wang
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Weidong Fei
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
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4
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Gabizon A, Shmeeda H, Draper B, Parente-Pereira A, Maher J, Carrascal-Miniño A, de Rosales RTM, La-Beck NM. Harnessing Nanomedicine to Potentiate the Chemo-Immunotherapeutic Effects of Doxorubicin and Alendronate Co-Encapsulated in Pegylated Liposomes. Pharmaceutics 2023; 15:2606. [PMID: 38004584 PMCID: PMC10675201 DOI: 10.3390/pharmaceutics15112606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Encapsulation of Doxorubicin (Dox), a potent cytotoxic agent and immunogenic cell death inducer, in pegylated (Stealth) liposomes, is well known to have major pharmacologic advantages over treatment with free Dox. Reformulation of alendronate (Ald), a potent amino-bisphosphonate, by encapsulation in pegylated liposomes, results in significant immune modulatory effects through interaction with tumor-associated macrophages and activation of a subset of gamma-delta T lymphocytes. We present here recent findings of our research work with a formulation of Dox and Ald co-encapsulated in pegylated liposomes (PLAD) and discuss its pharmacological properties vis-à-vis free Dox and the current clinical formulation of pegylated liposomal Dox. PLAD is a robust formulation with high and reproducible remote loading of Dox and high stability in plasma. Results of biodistribution studies, imaging with radionuclide-labeled liposomes, and therapeutic studies as a single agent and in combination with immune checkpoint inhibitors or gamma-delta T lymphocytes suggest that PLAD is a unique product with distinct tumor microenvironmental interactions and distinct pharmacologic properties when compared with free Dox and the clinical formulation of pegylated liposomal Dox. These results underscore the potential added value of PLAD for chemo-immunotherapy of cancer and the relevance of the co-encapsulation approach in nanomedicine.
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Affiliation(s)
- Alberto Gabizon
- Nano-Oncology Research Center, Oncology Institute, Shaare Zedek Medical Center, Jerusalem 9103102, Israel;
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Hilary Shmeeda
- Nano-Oncology Research Center, Oncology Institute, Shaare Zedek Medical Center, Jerusalem 9103102, Israel;
| | - Benjamin Draper
- King’s College London, School of Cancer and Pharmaceutical Sciences, Guy’s Cancer Centre, Great Maze Pond, London SE1 9RT, UK; (B.D.); (A.P.-P.); (J.M.)
| | - Ana Parente-Pereira
- King’s College London, School of Cancer and Pharmaceutical Sciences, Guy’s Cancer Centre, Great Maze Pond, London SE1 9RT, UK; (B.D.); (A.P.-P.); (J.M.)
| | - John Maher
- King’s College London, School of Cancer and Pharmaceutical Sciences, Guy’s Cancer Centre, Great Maze Pond, London SE1 9RT, UK; (B.D.); (A.P.-P.); (J.M.)
| | - Amaia Carrascal-Miniño
- King’s College London, School of Biomedical Engineering & Imaging Sciences, St. Thomas’ Hospital, London SE1 7EH, UK; (A.C.-M.); (R.T.M.d.R.)
| | - Rafael T. M. de Rosales
- King’s College London, School of Biomedical Engineering & Imaging Sciences, St. Thomas’ Hospital, London SE1 7EH, UK; (A.C.-M.); (R.T.M.d.R.)
| | - Ninh M. La-Beck
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA;
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5
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Hattinger CM, Salaroglio IC, Fantoni L, Godel M, Casotti C, Kopecka J, Scotlandi K, Ibrahim T, Riganti C, Serra M. Strategies to Overcome Resistance to Immune-Based Therapies in Osteosarcoma. Int J Mol Sci 2023; 24:ijms24010799. [PMID: 36614241 PMCID: PMC9821333 DOI: 10.3390/ijms24010799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/14/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Improving the prognosis and cure rate of HGOSs (high-grade osteosarcomas) is an absolute need. Immune-based treatment approaches have been increasingly taken into consideration, in particular for metastatic, relapsed and refractory HGOS patients, to ameliorate the clinical results currently achieved. This review is intended to give an overview on the immunotherapeutic treatments targeting, counteracting or exploiting the different immune cell compartments that are present in the HGOS tumor microenvironment. The principle at the basis of these strategies and the possible mechanisms that HGOS cells may use to escape these treatments are presented and discussed. Finally, a list of the currently ongoing immune-based trials in HGOS is provided, together with the results that have been obtained in recently completed clinical studies. The different strategies that are presently under investigation, which are generally aimed at abrogating the immune evasion of HGOS cells, will hopefully help to indicate new treatment protocols, leading to an improvement in the prognosis of patients with this tumor.
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Affiliation(s)
- Claudia Maria Hattinger
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | | | - Leonardo Fantoni
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
| | - Martina Godel
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126 Torino, Italy
| | - Chiara Casotti
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
| | - Joanna Kopecka
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126 Torino, Italy
| | - Katia Scotlandi
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Toni Ibrahim
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Chiara Riganti
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126 Torino, Italy
- Correspondence: (C.R.); (M.S.)
| | - Massimo Serra
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
- Correspondence: (C.R.); (M.S.)
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6
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Ghafelehbashi R, Farshbafnadi M, Aghdam NS, Amiri S, Salehi M, Razi S. Nanoimmunoengineering strategies in cancer diagnosis and therapy. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2023; 25:78-90. [PMID: 36076122 DOI: 10.1007/s12094-022-02935-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/22/2022] [Indexed: 01/07/2023]
Abstract
Cancer immunotherapy strategies in combination with engineered nanosystems have yielded beneficial results in the treatment of cancer and their application is increasing day by day. The pivotal role of stimuli-responsive nanosystems and nanomedicine-based cancer immunotherapy, as a subsidiary discipline in the field of immunology, cannot be ignored. Today, rapid advances in nanomedicine are used as a platform for exploring new therapeutic applications and modern smart healthcare management strategies. The progress of nanomedicine in cancer treatment has confirmed the findings of immunotherapy in the medical research phase. This study concentrates on approaches connected to the efficacy of nanoimmunoengineering strategies for cancer immunotherapies and their applications. By assessing improved approaches, different aspects of the nanoimmunoengineering strategies for cancer therapies are discussed in this study.
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Affiliation(s)
- Robabehbeygom Ghafelehbashi
- Department of Materials and Textile Engineering, College of Engineering, Razi University, Kermanshah, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Melina Farshbafnadi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Shahin Amiri
- Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.,Student Research Committee, Pasteur Institute of Iran, Tehran, Iran
| | - Mitra Salehi
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran. .,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran. .,School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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7
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Centonze G, Natalini D, Piccolantonio A, Salemme V, Morellato A, Arina P, Riganti C, Defilippi P. Cholesterol and Its Derivatives: Multifaceted Players in Breast Cancer Progression. Front Oncol 2022; 12:906670. [PMID: 35719918 PMCID: PMC9204587 DOI: 10.3389/fonc.2022.906670] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/15/2022] [Indexed: 11/13/2022] Open
Abstract
Cholesterol is an essential lipid primarily synthesized in the liver through the mevalonate pathway. Besides being a precursor of steroid hormones, bile acid, and vitamin D, it is an essential structural component of cell membranes, is enriched in membrane lipid rafts, and plays a key role in intracellular signal transduction. The lipid homeostasis is finely regulated end appears to be impaired in several types of tumors, including breast cancer. In this review, we will analyse the multifaceted roles of cholesterol and its derivatives in breast cancer progression. As an example of the bivalent role of cholesterol in the cell membrane of cancer cells, on the one hand, it reduces membrane fluidity, which has been associated with a more aggressive tumor phenotype in terms of cell motility and migration, leading to metastasis formation. On the other hand, it makes the membrane less permeable to small water-soluble molecules that would otherwise freely cross, resulting in a loss of chemotherapeutics permeability. Regarding cholesterol derivatives, a lower vitamin D is associated with an increased risk of breast cancer, while steroid hormones, coupled with the overexpression of their receptors, play a crucial role in breast cancer progression. Despite the role of cholesterol and derivatives molecules in breast cancer development is still controversial, the use of cholesterol targeting drugs like statins and zoledronic acid appears as a challenging promising tool for breast cancer treatment.
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Affiliation(s)
- Giorgia Centonze
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
| | - Dora Natalini
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
| | - Alessio Piccolantonio
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
| | - Vincenzo Salemme
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
| | - Alessandro Morellato
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
| | - Pietro Arina
- University College London (UCL), Bloomsbury Institute of Intensive Care Medicine, Division of Medicine, University College London, London, United Kingdom
| | - Chiara Riganti
- Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy.,Department of Oncology, University of Torino, Torino, Italy
| | - Paola Defilippi
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy.,Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Torino, Italy
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8
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Chen Y, Jiang L, Xia L, Zhang G, Chen L. ThPOK inhibits the immune escape of gastric cancer cells by inducing STPG1 to inactivate the ERK pathway. BMC Immunol 2022; 23:16. [PMID: 35379170 PMCID: PMC8981657 DOI: 10.1186/s12865-022-00485-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 02/24/2022] [Indexed: 12/24/2022] Open
Abstract
Background Gastric cancer is the second most frequently diagnosed cancer worldwide. Weak immunogenicity helps cancer cells escape from immune elimination and grow into predominant subpopulations. This study aimed to investigate the effect of Zinc finger and BTB domain containing 7B (Zbtb7b, Alias ThPOK) on T cell activation after coculture with gastric cancer cells. Methods Cell Counting Kit-8 assay (CCK-8) was performed to explore the viability of gastric cancer cells. Flow cytometry analysis was used to measure CD3+ T cell proliferation and the ratio of activated IFN-γ+ T cells which were co-incubated with gastric cancer cells (HGC-27, SNU-1). The binding between ThPOK and the promoter of its target sperm tail PG-rich repeat containing 1 (STPG1) was explored using ChIP and luciferase reporter assays. Relative gene expression was quantified using RT-qPCR. Results ThPOK was expressed at a low level in gastric cancer tissues and cells at mRNA and protein levels. Gastric cancer patients with lower ThPOK expression had poorer prognosis. ThPOK overexpression suppressed gastric cancer cell viability and increased T cell activation. ThPOK served as a transcription factor for STPG1. STPG1 expression was also at a low level in the tissues and cells of gastric cancer. ThPOK positively regulated the mRNA and protein levels of STPG1 in gastric cancer cells. Moreover, ThPOK was demonstrated to bind with STPG1 promoter. STPG1 upregulation also exerted inhibitory effects on gastric cancer cell viability and T cell activation. Additionally, ThPOK and STPG1 were revealed to inactivate the ERK pathway in gastric cancer cells. Conclusion ThPOK inhibits gastric cancer cell viability and increases T cell activation by inducing STPG1 to inactivate the ERK pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s12865-022-00485-5.
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Affiliation(s)
- Ying Chen
- Department of Gastroenterology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, 168 Hongkong Road, Jiang'an District, Wuhan, 430015, Hubei, China
| | - Lili Jiang
- Department of Gastroenterology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, 168 Hongkong Road, Jiang'an District, Wuhan, 430015, Hubei, China
| | - Lingli Xia
- Department of Gastroenterology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, 168 Hongkong Road, Jiang'an District, Wuhan, 430015, Hubei, China
| | - Gang Zhang
- Department of Gastroenterology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, 168 Hongkong Road, Jiang'an District, Wuhan, 430015, Hubei, China
| | - Lan Chen
- Department of Gastroenterology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, 168 Hongkong Road, Jiang'an District, Wuhan, 430015, Hubei, China.
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9
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Navarro-Ocón A, Blaya-Cánovas JL, López-Tejada A, Blancas I, Sánchez-Martín RM, Garrido MJ, Griñán-Lisón C, Calahorra J, Cara FE, Ruiz-Cabello F, Marchal JA, Aptsiauri N, Granados-Principal S. Nanomedicine as a Promising Tool to Overcome Immune Escape in Breast Cancer. Pharmaceutics 2022; 14:pharmaceutics14030505. [PMID: 35335881 PMCID: PMC8950730 DOI: 10.3390/pharmaceutics14030505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/15/2022] [Accepted: 02/23/2022] [Indexed: 12/13/2022] Open
Abstract
Breast cancer is the most common type of malignancy and leading cause of cancer death among women worldwide. Despite the current revolutionary advances in the field of cancer immunotherapy, clinical response in breast cancer is frequently below expectations, in part due to various mechanisms of cancer immune escape that produce tumor variants that are resistant to treatment. Thus, a further understanding of the molecular events underlying immune evasion in breast cancer may guarantee a significant improvement in the clinical success of immunotherapy. Furthermore, nanomedicine provides a promising opportunity to enhance the efficacy of cancer immunotherapy by improving the delivery, retention and release of immunostimulatory agents in targeted cells and tumor tissues. Hence, it can be used to overcome tumor immune escape and increase tumor rejection in numerous malignancies, including breast cancer. In this review, we summarize the current status and emerging trends in nanomedicine-based strategies targeting cancer immune evasion and modulating the immunosuppressive tumor microenvironment, including the inhibition of immunosuppressive cells in the tumor area, the activation of dendritic cells and the stimulation of the specific antitumor T-cell response.
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Affiliation(s)
- Alba Navarro-Ocón
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
| | - Jose L. Blaya-Cánovas
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- UGC de Oncología Médica, Complejo Hospitalario de Jaen, 23007 Jaen, Spain
| | - Araceli López-Tejada
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- Department of Biochemistry and Molecular Biology 2, School of Pharmacy, University of Granada, 18011 Granada, Spain
| | - Isabel Blancas
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- UGC de Oncología, Hospital Universitario “San Cecilio”, 18016 Granada, Spain
| | - Rosario M. Sánchez-Martín
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
| | - María J. Garrido
- Department of Pharmaceutical Technology and Chemistry, School of Pharmacy & Nutrition, Navarra Institute for Health Research (IdisNA), University of Navarra, 31080 Pamplona, Spain;
| | - Carmen Griñán-Lisón
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- UGC de Oncología Médica, Complejo Hospitalario de Jaen, 23007 Jaen, Spain
| | - Jesús Calahorra
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- UGC de Oncología Médica, Complejo Hospitalario de Jaen, 23007 Jaen, Spain
| | - Francisca E. Cara
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
| | - Francisco Ruiz-Cabello
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- Department of Biochemistry, Molecular Biology 3 and Immunology, School of Medicine, University of Granada, 18071 Granada, Spain
| | - Juan A. Marchal
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- Department of Human Anatomy and Embryology, School of Medicine, University of Granada, 18016 Granada, Spain
| | - Natalia Aptsiauri
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- Department of Biochemistry, Molecular Biology 3 and Immunology, School of Medicine, University of Granada, 18071 Granada, Spain
- Correspondence: (N.A.); (S.G.-P.)
| | - Sergio Granados-Principal
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain; (A.N.-O.); (J.L.B.-C.); (A.L.-T.); (R.M.S.-M.); (C.G.-L.); (J.C.); (F.E.C.)
- Instituto de Investigación Biosanitaria (ibs.GRANADA), 18012 Granada, Spain; (I.B.); (F.R.-C.); (J.A.M.)
- Department of Biochemistry and Molecular Biology 2, School of Pharmacy, University of Granada, 18011 Granada, Spain
- Correspondence: (N.A.); (S.G.-P.)
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10
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Gonçalves AC, Richiardone E, Jorge J, Polónia B, Xavier CPR, Salaroglio IC, Riganti C, Vasconcelos MH, Corbet C, Sarmento-Ribeiro AB. Impact of cancer metabolism on therapy resistance - Clinical implications. Drug Resist Updat 2021; 59:100797. [PMID: 34955385 DOI: 10.1016/j.drup.2021.100797] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Despite an increasing arsenal of anticancer therapies, many patients continue to have poor outcomes due to the therapeutic failures and tumor relapses. Indeed, the clinical efficacy of anticancer therapies is markedly limited by intrinsic and/or acquired resistance mechanisms that can occur in any tumor type and with any treatment. Thus, there is an urgent clinical need to implement fundamental changes in the tumor treatment paradigm by the development of new experimental strategies that can help to predict the occurrence of clinical drug resistance and to identify alternative therapeutic options. Apart from mutation-driven resistance mechanisms, tumor microenvironment (TME) conditions generate an intratumoral phenotypic heterogeneity that supports disease progression and dismal outcomes. Tumor cell metabolism is a prototypical example of dynamic, heterogeneous, and adaptive phenotypic trait, resulting from the combination of intrinsic [(epi)genetic changes, tissue of origin and differentiation dependency] and extrinsic (oxygen and nutrient availability, metabolic interactions within the TME) factors, enabling cancer cells to survive, metastasize and develop resistance to anticancer therapies. In this review, we summarize the current knowledge regarding metabolism-based mechanisms conferring adaptive resistance to chemo-, radio-and immunotherapies as well as targeted therapies. Furthermore, we report the role of TME-mediated intratumoral metabolic heterogeneity in therapy resistance and how adaptations in amino acid, glucose, and lipid metabolism support the growth of therapy-resistant cancers and/or cellular subpopulations. We also report the intricate interplay between tumor signaling and metabolic pathways in cancer cells and discuss how manipulating key metabolic enzymes and/or providing dietary changes may help to eradicate relapse-sustaining cancer cells. Finally, in the current era of personalized medicine, we describe the strategies that may be applied to implement metabolic profiling for tumor imaging, biomarker identification, selection of tailored treatments and monitoring therapy response during the clinical management of cancer patients.
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Affiliation(s)
- Ana Cristina Gonçalves
- Laboratory of Oncobiology and Hematology (LOH) and University Clinic of Hematology, Faculty of Medicine (FMUC), University of Coimbra, Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR) - Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, University of Coimbra, Portugal; Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
| | - Elena Richiardone
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Belgium
| | - Joana Jorge
- Laboratory of Oncobiology and Hematology (LOH) and University Clinic of Hematology, Faculty of Medicine (FMUC), University of Coimbra, Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR) - Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, University of Coimbra, Portugal; Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
| | - Bárbara Polónia
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Cristina P R Xavier
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | | | - Chiara Riganti
- Department of Oncology, School of Medicine, University of Torino, Italy
| | - M Helena Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal; Department of Biological Sciences, FFUP - Faculty of Pharmacy of the University of Porto, Porto, Portugal
| | - Cyril Corbet
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Belgium.
| | - Ana Bela Sarmento-Ribeiro
- Laboratory of Oncobiology and Hematology (LOH) and University Clinic of Hematology, Faculty of Medicine (FMUC), University of Coimbra, Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR) - Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, University of Coimbra, Portugal; Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal; Hematology Service, Centro Hospitalar e Universitário de Coimbra (CHUC), Coimbra, Portugal.
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11
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Kopecka J, Salaroglio IC, Perez-Ruiz E, Sarmento-Ribeiro AB, Saponara S, De Las Rivas J, Riganti C. Hypoxia as a driver of resistance to immunotherapy. Drug Resist Updat 2021; 59:100787. [PMID: 34840068 DOI: 10.1016/j.drup.2021.100787] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 02/07/2023]
Abstract
Hypoxia, a hallmark of solid tumors, determines the selection of invasive and aggressive malignant clones displaying resistance to radiotherapy, conventional chemotherapy or targeted therapy. The recent introduction of immunotherapy, based on immune checkpoint inhibitors (ICPIs) and chimeric antigen receptor (CAR) T-cells, has markedly transformed the prognosis in some tumors but also revealed the existence of intrinsic or acquired drug resistance. In the current review we highlight hypoxia as a culprit of immunotherapy failure. Indeed, multiple metabolic cross talks between tumor and stromal cells determine the prevalence of immunosuppressive populations within the hypoxic tumor microenvironment and confer upon tumor cells resistance to ICPIs and CAR T-cells. Notably, hypoxia-triggered angiogenesis causes immunosuppression, adding another piece to the puzzle of hypoxia-induced immunoresistance. If these factors concurrently contribute to the resistance to immunotherapy, they also unveil an unexpected Achille's heel of hypoxic tumors, providing the basis for innovative combination therapies that may rescue the efficacy of ICPIs and CAR T-cells. Although these treatments reveal both a bright side and a dark side in terms of efficacy and safety in clinical trials, they represent the future solution to enhance the efficacy of immunotherapy against hypoxic and therapy-resistant solid tumors.
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Affiliation(s)
| | | | - Elizabeth Perez-Ruiz
- Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, IBIMA, Málaga, Spain
| | - Ana Bela Sarmento-Ribeiro
- Laboratory of Oncobiology and Hematology and University Clinic of Hematology and Coimbra Institute for Clinical and Biomedical Research - Group of Environment Genetics and Oncobiology (iCBR/CIMAGO), Faculty of Medicine, University of Coimbra (FMUC), Center for Innovative Biomedicine and Biotechnology (CIBB) and Centro Hospitalar e Universitário de Coimbra (CHUC), Coimbra, Portugal
| | | | - Javier De Las Rivas
- Cancer Research Center (CiC-IBMCC, CSIC/USAL/IBSAL), Consejo Superior de Investigaciones Científicas (CSIC), University of Salamanca (USAL), and Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
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12
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Advances in understanding the role of P-gp in doxorubicin resistance: Molecular pathways, therapeutic strategies, and prospects. Drug Discov Today 2021; 27:436-455. [PMID: 34624510 DOI: 10.1016/j.drudis.2021.09.020] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/22/2021] [Accepted: 09/29/2021] [Indexed: 12/11/2022]
Abstract
P-glycoprotein (P-gp) is a drug efflux transporter that triggers doxorubicin (DOX) resistance. In this review, we highlight the molecular avenues regulating P-gp, such as Nrf2, HIF-1α, miRNAs, and long noncoding (lnc)RNAs, to reveal their participation in DOX resistance. These antitumor compounds and genetic tools synergistically reduce P-gp expression. Furthermore, ATP depletion impairs P-gp activity to enhance the antitumor activity of DOX. Nanoarchitectures, including liposomes, micelles, polymeric nanoparticles (NPs), and solid lipid nanocarriers, have been developed for the co-delivery of DOX with anticancer compounds and genes enhancing DOX cytotoxicity. Surface modification of nanocarriers, for instance with hyaluronic acid (HA), can promote selectivity toward cancer cells. We discuss these aspects with a focus on P-gp expression and activity.
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13
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Sequential administration of sialic acid-modified liposomes as carriers for epirubicin and zoledronate elicit stronger antitumor effects with reduced toxicity. Int J Pharm 2021; 602:120552. [PMID: 33798685 DOI: 10.1016/j.ijpharm.2021.120552] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/03/2021] [Accepted: 03/25/2021] [Indexed: 02/03/2023]
Abstract
Combined administration of drugs can improve efficacy and reduce toxicity; therefore, this combination approach has become a routine method in cancer therapy. The main combination regimens are sequential, mixed (also termed "cocktail"), and co-loaded; however, other combinations, such as administration of synergistic drugs and the use of formulations with different mechanisms of action, may exert better therapeutic effects. Tumor-associated macrophages (TAMs) play functional roles throughout tumor progression and exhibit characteristic phenotypic plasticity. Sialic acid (SA)-modified epirubicin liposomes (S-E-L) and SA-modified zoledronate liposomes (S-Z-L) administered separately kill TAMs, reverse their phenotype, and achieve antitumor effects. In this study, we examined the effects of a two-treatment combination for drug delivery, using sequential, mixed, and co-loaded drug delivery. We found that therapeutic effects differed between administration methods: mixed administration of S-E-L and S-Z-L, co-loaded administration of SA-modified liposomes (S-ZE-C), and sequential administration of S-E-L injected 24 h after S-Z-L did not inhibit tumor growth; however, sequential administration of S-Z-L injected 24 h after S-E-L resulted in no tumor growth, no toxicity to noncancerous tissue, and no death of mice, and exhibited 25% tumor shedding. Thus, our results thus encourage the further development of combined therapies for nanomedicines based on the mechanisms investigated here.
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Barbosa R, Acevedo LA, Marmorstein R. The MEK/ERK Network as a Therapeutic Target in Human Cancer. Mol Cancer Res 2021; 19:361-374. [PMID: 33139506 PMCID: PMC7925338 DOI: 10.1158/1541-7786.mcr-20-0687] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/01/2020] [Accepted: 10/27/2020] [Indexed: 11/16/2022]
Abstract
The RAS-RAF-MEK-ERK pathway is the most well-studied of the MAPK cascades and is critical for cell proliferation, differentiation, and survival. Abnormalities in regulation resulting from mutations in components of this pathway, particularly in upstream proteins, RAS and RAF, are responsible for a significant fraction of human cancers and nearly all cutaneous melanomas. Activation of receptor tyrosine kinases by growth factors and various extracellular signals leads to the sequential activation of RAS, RAF, MEK, and finally ERK, which activates numerous transcription factors and facilitates oncogenesis in the case of aberrant pathway activation. While extensive studies have worked to elucidate the activation mechanisms and structural components of upstream MAPK components, comparatively less attention has been directed toward the kinases, MEK and ERK, due to the infrequency of oncogenic-activating mutations in these kinases. However, acquired drug resistance has become a major issue in the treatment of RAS- and RAF-mutated cancers. Targeting the terminal kinases in the MAPK cascade has shown promise for overcoming many of these resistance mechanisms and improving treatment options for patients with MAPK-aberrant cancers. Here, we will describe the role of MEK and ERK in MAPK signaling and summarize the current understanding of their interaction and activation mechanisms. We will also discuss existing approaches for targeting MEK and ERK, and the benefits of alternative strategies. Areas requiring further exploration will be highlighted to guide future research endeavors and aid in the development of alternative therapeutic strategies to combat surmounting drug resistance in treating MAPK-mediated cancers. VISUAL OVERVIEW: http://mcr.aacrjournals.org/content/molcanres/19/3/361/F1.large.jpg.
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Affiliation(s)
- Renee Barbosa
- School of Arts and Sciences, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Lucila A Acevedo
- Department of Biochemistry & Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ronen Marmorstein
- Department of Biochemistry & Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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15
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Akman M, Belisario DC, Salaroglio IC, Kopecka J, Donadelli M, De Smaele E, Riganti C. Hypoxia, endoplasmic reticulum stress and chemoresistance: dangerous liaisons. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:28. [PMID: 33423689 PMCID: PMC7798239 DOI: 10.1186/s13046-020-01824-3] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
Solid tumors often grow in a micro-environment characterized by < 2% O2 tension. This condition, together with the aberrant activation of specific oncogenic patwhays, increases the amount and activity of the hypoxia-inducible factor-1α (HIF-1α), a transcription factor that controls up to 200 genes involved in neoangiogenesis, metabolic rewiring, invasion and drug resistance. Hypoxia also induces endoplasmic reticulum (ER) stress, a condition that triggers cell death, if cells are irreversibly damaged, or cell survival, if the stress is mild.Hypoxia and chronic ER stress both induce chemoresistance. In this review we discuss the multiple and interconnected circuitries that link hypoxic environment, chronic ER stress and chemoresistance. We suggest that hypoxia and ER stress train and select the cells more adapted to survive in unfavorable conditions, by activating pleiotropic mechanisms including apoptosis inhibition, metabolic rewiring, anti-oxidant defences, drugs efflux. This adaptative process unequivocally expands clones that acquire resistance to chemotherapy.We believe that pharmacological inhibitors of HIF-1α and modulators of ER stress, although characterized by low specificty and anti-cancer efficacy when used as single agents, may be repurposed as chemosensitizers against hypoxic and chemorefractory tumors in the next future.
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Affiliation(s)
- Muhlis Akman
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | | | | | - Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, Verona, Italy
| | - Enrico De Smaele
- Department of Experimental Medicine, Sapienza University of Roma, Roma, Italy
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy.
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16
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Mechanisms of Resistance to Chemotherapy in Breast Cancer and Possible Targets in Drug Delivery Systems. Pharmaceutics 2020; 12:pharmaceutics12121193. [PMID: 33316872 PMCID: PMC7763855 DOI: 10.3390/pharmaceutics12121193] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 02/07/2023] Open
Abstract
Breast cancer (BC) is one of the most important cancers worldwide, and usually, chemotherapy can be used in an integrative approach. Usually, chemotherapy treatment is performed in association with surgery, radiation or hormone therapy, providing an increased outcome to patients. However, tumors can develop resistance to different drugs, progressing for a more aggressive phenotype. In this scenario, the use of nanocarriers could help to defeat tumor cell resistance, providing a new therapeutic perspective for patients. Thus, this systematic review aims to bring the molecular mechanisms involved in BC chemoresistance and extract from the previous literature information regarding the use of nanoparticles as potential treatment for chemoresistant breast cancer.
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17
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Kopecka J, Godel M, Riganti C. Cholesterol metabolism: At the cross road between cancer cells and immune environment. Int J Biochem Cell Biol 2020; 129:105876. [PMID: 33166677 DOI: 10.1016/j.biocel.2020.105876] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/22/2020] [Accepted: 10/25/2020] [Indexed: 12/27/2022]
Abstract
Mevalonate pathway is a highly conserved pathway that produces isoprenoids and cholesterol, and it is often increased in cancer cells. Cholesterol, upstream metabolites including isoprenoids and cholesterol derivatives such as oxysterols modulate cell proliferation, motility, stemness and drug resistance. Moreover, when produced by cancer cells or immune infiltrating cells, they modulate the activity of immune populations of the tumor microenvironment. In this review, we will focus on the recent findings demonstrating that cholesterol derivatives may regulate tumor immune recognition or immune escape, playing a critical role in the immune surveillance. Since the mevalonate pathway is druggable, a deeper knowledge of the metabolic cross talks existing between the mevalonate pathway of cancer cells and immune cells may help to identify novel agents targeting cholesterol metabolism, able to boost the anti-tumor activity of the immune populations.
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Affiliation(s)
- Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy
| | - Martina Godel
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
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18
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Wang L, Fang D, Xu J, Luo R. Various pathways of zoledronic acid against osteoclasts and bone cancer metastasis: a brief review. BMC Cancer 2020; 20:1059. [PMID: 33143662 PMCID: PMC7607850 DOI: 10.1186/s12885-020-07568-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 10/26/2020] [Indexed: 12/19/2022] Open
Abstract
Zoledronic acid (ZA) is one of the most important and effective class of anti-resorptive drug available among bisphosphonate (BP), which could effectively reduce the risk of skeletal-related events, and lead to a treatment paradigm for patients with skeletal involvement from advanced cancers. However, the exact molecular mechanisms of its anticancer effects have only recently been identified. In this review, we elaborate the detail mechanisms of ZA through inhibiting osteoclasts and cancer cells, which include the inhibition of differentiation of osteoclasts via suppressing receptor activator of nuclear factor κB ligand (RANKL)/receptor activator of nuclear factor κB (RANK) pathway, non-canonical Wnt/Ca2+/calmodulin dependent protein kinase II (CaMKII) pathway, and preventing of macrophage differentiation into osteoclasts, in addition, induction of apoptosis of osteoclasts through inhibiting farnesyl pyrophosphate synthase (FPPS)-mediated mevalonate pathway, and activation of reactive oxygen species (ROS)-induced pathway. Furthermore, ZA also inhibits cancer cells proliferation, viability, motility, invasion and angiogenesis; induces cancer cell apoptosis; reverts chemoresistance and stimulates immune response; and acts in synergy with other anti-cancer drugs. In addition, some new ways for delivering ZA against cancer is introduced. We hope this review will provide more information in support of future studies of ZA in the treatment of cancers and bone cancer metastasis.
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Affiliation(s)
- Lianwei Wang
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, China
| | - Dengyang Fang
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, China
| | - Jinming Xu
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, China
| | - Runlan Luo
- Department of Ultrasound, Fuling Central Hospital of Chongqing City, Chongqing, 408300, China.
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19
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Zhukova OV, Kovaleva TF, Arkhipova EV, Ryabov SA, Mukhina IV. Tumor-associated macrophages: Role in the pathological process of tumorigenesis and prospective therapeutic use (Review). Biomed Rep 2020; 13:47. [PMID: 32934819 DOI: 10.3892/br.2020.1354] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 07/10/2020] [Indexed: 12/26/2022] Open
Abstract
The aim of the present study was to evaluate the current body of knowledge regarding tumor-associated macrophages (TAMs) and their potential use in antitumor therapy, based on their role in the pathological process of tumorigenesis. For this purpose, a critical analysis of published data and summarization of the findings available from original studies, focusing on the role of TAMs in the pathological process, and their potential therapeutic application was performed. Promising key avenues of research were identified in this field. The following issues seem the most promising and thus worth further investigation: i) The process of M1/M2 macrophage polarization, macrophage characteristics at intermediate polarization steps and their role in the tumor process; ii) determining the conditions necessary for transitions between the M1 and M2 macrophage phenotypes and the role of signals from the microenvironment in this process; iii) cause-and-effect associations between the quantity and quality of macrophages, and the prognosis and outcome of the pathological process; iv) modulation of macrophages and stimulation of their phagocytic activity with drugs; v) targeted vector-based systems for drug delivery to macrophages; and vi) targeted drug delivery systems with macrophages as carriers, thus potentially combining chemotherapy and immunotherapy.
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Affiliation(s)
- Olga V Zhukova
- Department of Pharmaceutical Technology, Privolzhsky Research Medical University, Nizhny Novgorod 603005, Russia
| | - Tatiana F Kovaleva
- Department of Molecular and Cellular Technologies, Privolzhsky Research Medical University, Nizhny Novgorod 603005, Russia
| | - Evgenia V Arkhipova
- Pre-Clinical Research Center, Central Research Laboratory, Privolzhsky Research Medical University, Nizhny Novgorod 603005, Russia
| | - Sergey A Ryabov
- Department of High-Molecular and Colloid Chemistry, National Research Lobachevsky State University, Nizhny Novgorod 603950, Russia
| | - Irina V Mukhina
- Fundamental Medicine Institute and Physiology Department, Privolzhsky Research Medical University, Nizhny Novgorod 603005, Russia
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20
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Xue L, Qi H, Zhang H, Ding L, Huang Q, Zhao D, Wu BJ, Li X. Targeting SREBP-2-Regulated Mevalonate Metabolism for Cancer Therapy. Front Oncol 2020; 10:1510. [PMID: 32974183 PMCID: PMC7472741 DOI: 10.3389/fonc.2020.01510] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/14/2020] [Indexed: 12/14/2022] Open
Abstract
Recently, targeting metabolic reprogramming has emerged as a potential therapeutic approach for fighting cancer. Sterol regulatory element binding protein-2 (SREBP-2), a basic helix-loop-helix leucine zipper transcription factor, mainly regulates genes involved in cholesterol biosynthesis and homeostasis. SREBP-2 binds to the sterol regulatory elements (SREs) in the promoters of its target genes and activates the transcription of mevalonate pathway genes, such as HMG-CoA reductase (HMGCR), mevalonate kinase and other key enzymes. In this review, we first summarized the structure of SREBP-2 and its activation and regulation by multiple signaling pathways. We then found that SREBP-2 and its regulated enzymes, including HMGCR, FPPS, SQS, and DHCR4 from the mevalonate pathway, participate in the progression of various cancers, including prostate, breast, lung, and hepatocellular cancer, as potential targets. Importantly, preclinical and clinical research demonstrated that fatostatin, statins, and N-BPs targeting SREBP-2, HMGCR, and FPPS, respectively, alone or in combination with other drugs, have been used for the treatment of different cancers. This review summarizes new insights into the critical role of the SREBP-2-regulated mevalonate pathway for cancer and its potential for targeted cancer therapy.
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Affiliation(s)
- Linyuan Xue
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Hongyu Qi
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - He Zhang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Lu Ding
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Qingxia Huang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China.,Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Boyang Jason Wu
- Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, WA, United States
| | - Xiangyan Li
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
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Zocchi MR, Tosetti F, Benelli R, Poggi A. Cancer Nanomedicine Special Issue Review Anticancer Drug Delivery with Nanoparticles: Extracellular Vesicles or Synthetic Nanobeads as Therapeutic Tools for Conventional Treatment or Immunotherapy. Cancers (Basel) 2020; 12:cancers12071886. [PMID: 32668783 PMCID: PMC7409190 DOI: 10.3390/cancers12071886] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/03/2020] [Accepted: 07/06/2020] [Indexed: 12/13/2022] Open
Abstract
Both natural and synthetic nanoparticles have been proposed as drug carriers in cancer treatment, since they can increase drug accumulation in target tissues, optimizing the therapeutic effect. As an example, extracellular vesicles (EV), including exosomes (Exo), can become drug vehicles through endogenous or exogenous loading, amplifying the anticancer effects at the tumor site. In turn, synthetic nanoparticles (NP) can carry therapeutic molecules inside their core, improving solubility and stability, preventing degradation, and controlling their release. In this review, we summarize the recent advances in nanotechnology applied for theranostic use, distinguishing between passive and active targeting of these vehicles. In addition, examples of these models are reported: EV as transporters of conventional anticancer drugs; Exo or NP as carriers of small molecules that induce an anti-tumor immune response. Finally, we focus on two types of nanoparticles used to stimulate an anticancer immune response: Exo carried with A Disintegrin And Metalloprotease-10 inhibitors and NP loaded with aminobisphosphonates. The former would reduce the release of decoy ligands that impair tumor cell recognition, while the latter would activate the peculiar anti-tumor response exerted by γδ T cells, creating a bridge between innate and adaptive immunity.
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Affiliation(s)
- Maria Raffaella Zocchi
- Division of Immunology Transplants and Infectious Diseases, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy;
| | - Francesca Tosetti
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (F.T.); (R.B.)
| | - Roberto Benelli
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (F.T.); (R.B.)
| | - Alessandro Poggi
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (F.T.); (R.B.)
- Correspondence:
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Belisario DC, Akman M, Godel M, Campani V, Patrizio MP, Scotti L, Hattinger CM, De Rosa G, Donadelli M, Serra M, Kopecka J, Riganti C. ABCA1/ABCB1 Ratio Determines Chemo- and Immune-Sensitivity in Human Osteosarcoma. Cells 2020; 9:cells9030647. [PMID: 32155954 PMCID: PMC7140509 DOI: 10.3390/cells9030647] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/04/2020] [Accepted: 03/04/2020] [Indexed: 02/06/2023] Open
Abstract
The ATP Binding Cassette transporter B1 (ABCB1) induces chemoresistance in osteosarcoma, because it effluxes doxorubicin, reducing the intracellular accumulation, toxicity, and immunogenic cell death induced by the drug. The ATP Binding Cassette transporter A1 (ABCA1) effluxes isopentenyl pyrophosphate (IPP), a strong activator of anti-tumor Vγ9Vδ2 T-cells. Recruiting this population may represent an alternative strategy to rescue doxorubicin efficacy in ABCB1-expressing osteosarcoma. In this work, we analyzed how ABCA1 and ABCB1 are regulated in osteosarcoma, and if increasing the ABCA1-dependent activation of Vγ9Vδ2 T-cells could be an effective strategy against ABCB1-expressing osteosarcoma. We used 2D-cultured doxorubicin-sensitive human U-2OS and Saos-2 cells, their doxorubicin-resistant sublines (U-2OS/DX580 and Saos-2/DX580), and 3D cultures of U-2OS and Saos-2 cells. DX580-sublines and 3D cultures had higher levels of ABCB1 and higher resistance to doxorubicin than parental cells. Surprisingly, they had reduced ABCA1 levels, IPP efflux, and Vγ9Vδ2 T-cell-induced killing. In these chemo-immune-resistant cells, the Ras/Akt/mTOR axis inhibits the ABCA1-transcription induced by Liver X Receptor α (LXRα); Ras/ERK1/2/HIF-1α axis up-regulates ABCB1. Targeting the farnesylation of Ras with self-assembling nanoparticles encapsulating zoledronic acid (NZ) simultaneously inhibited both axes. In humanized mice, NZ reduced the growth of chemo-immune-resistant osteosarcomas, increased intratumor necro-apoptosis, and ABCA1/ABCB1 ratio and Vγ9Vδ2 T-cell infiltration. We suggest that the ABCB1highABCA1low phenotype is indicative of chemo-immune-resistance. We propose aminobisphosphonates as new chemo-immune-sensitizing tools against drug-resistant osteosarcomas.
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Affiliation(s)
- Dimas Carolina Belisario
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (M.A.); (M.G.); (J.K.)
| | - Muhlis Akman
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (M.A.); (M.G.); (J.K.)
| | - Martina Godel
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (M.A.); (M.G.); (J.K.)
| | - Virginia Campani
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy; (V.C.); (L.S.)
| | - Maria Pia Patrizio
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, via di Barbiano, 1/10, 40136 Bologna, Italy; (M.P.P.); (C.M.H.); (M.S.)
| | - Lorena Scotti
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy; (V.C.); (L.S.)
| | - Claudia Maria Hattinger
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, via di Barbiano, 1/10, 40136 Bologna, Italy; (M.P.P.); (C.M.H.); (M.S.)
| | - Giuseppe De Rosa
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy; (V.C.); (L.S.)
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, Piazzale L.A. Scuro 10, 37134 Verona, Italy;
| | - Massimo Serra
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, via di Barbiano, 1/10, 40136 Bologna, Italy; (M.P.P.); (C.M.H.); (M.S.)
| | - Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (M.A.); (M.G.); (J.K.)
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (M.A.); (M.G.); (J.K.)
- Correspondence: ; Tel.: +39-0116705857
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Kopecka J, Trouillas P, Gašparović AČ, Gazzano E, Assaraf YG, Riganti C. Phospholipids and cholesterol: Inducers of cancer multidrug resistance and therapeutic targets. Drug Resist Updat 2020; 49:100670. [DOI: 10.1016/j.drup.2019.100670] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/14/2019] [Accepted: 11/17/2019] [Indexed: 12/13/2022]
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Urotensin-II-Targeted Liposomes as a New Drug Delivery System towards Prostate and Colon Cancer Cells. JOURNAL OF ONCOLOGY 2019; 2019:9293560. [PMID: 31929800 PMCID: PMC6942863 DOI: 10.1155/2019/9293560] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 10/26/2019] [Indexed: 12/12/2022]
Abstract
Urotensin-II (UT-II) and its receptor (UTR) are involved in the occurrence of different epithelial cancers. In particular, UTR was found overexpressed on colon, bladder, and prostate cancer cells. The conjugation of ligands, able to specifically bind receptors that are overexpressed on cancer cells, to liposome surface represents an efficient active targeting strategy to enhance selectivity and efficiency of drug delivery systems. The aim of this study was to develop liposomes conjugated with UT-II (LipoUT) for efficient targeting of cancer cells that overexpress UTR. The liposomes had a mean diameter between 150 nm and 160 nm with a narrow size distribution (PI ≤ 0.1) and a doxo encapsulation efficiency of 96%. Moreover, the conjugation of UT-II to liposomes weakly reduced the zeta potential. We evaluated UTR expression on prostate (DU145, PC3, and LNCaP) and colon (WIDR and LoVo) cancer cells by FACS and western blotting analysis. UTR protein was expressed in all the tested cell lines; the level of expression was higher in WIDR, PC3, and LNCaP cells compared with LoVo and DU145. MTT cell viability assay showed that LipoUT-doxo was more active than Lipo-doxo on the growth inhibition of cells that overexpressed UTR (PC3, LNCaP, and WIDR) while in LoVo and DU145 cell lines, the activity was similar to or lower than that one of Lipo-doxo, respectively. Moreover, we found that cell uptake of Bodipy-labeled liposomes in PC3 and DU145 was higher for LipoUT than the not-armed counterparts but at higher extent in UTR overexpressing PC3 cells (about 2-fold higher), as evaluated by both confocal and FACS. In conclusion, the encapsulation of doxo in UT-II-targeted liposomes potentiated its delivery in UTR-overexpressing cells and could represent a new tool for the targeting of prostate and colon cancer.
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Salaroglio IC, Mungo E, Gazzano E, Kopecka J, Riganti C. ERK is a Pivotal Player of Chemo-Immune-Resistance in Cancer. Int J Mol Sci 2019; 20:ijms20102505. [PMID: 31117237 PMCID: PMC6566596 DOI: 10.3390/ijms20102505] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 05/08/2019] [Accepted: 05/18/2019] [Indexed: 12/16/2022] Open
Abstract
The extracellular signal-related kinases (ERKs) act as pleiotropic molecules in tumors, where they activate pro-survival pathways leading to cell proliferation and migration, as well as modulate apoptosis, differentiation, and senescence. Given its central role as sensor of extracellular signals, ERK transduction system is widely exploited by cancer cells subjected to environmental stresses, such as chemotherapy and anti-tumor activity of the host immune system. Aggressive tumors have a tremendous ability to adapt and survive in stressing and unfavorable conditions. The simultaneous resistance to chemotherapy and immune system responses is common, and ERK signaling plays a key role in both types of resistance. In this review, we dissect the main ERK-dependent mechanisms and feedback circuitries that simultaneously determine chemoresistance and immune-resistance/immune-escape in cancer cells. We discuss the pros and cons of targeting ERK signaling to induce chemo-immune-sensitization in refractory tumors.
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Affiliation(s)
- Iris C Salaroglio
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
| | - Eleonora Mungo
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
| | - Elena Gazzano
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
| | - Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy.
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Engin AB, Engin A. Nanoparticles and neurotoxicity: Dual response of glutamatergic receptors. PROGRESS IN BRAIN RESEARCH 2019; 245:281-303. [PMID: 30961871 DOI: 10.1016/bs.pbr.2019.03.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Although the use of nanoparticles for neuro-diagnostic and neurotherapeutic purposes provides superior benefits than the conventional approaches, it may be potentially toxic in central nervous system. In this respect, nanotechnological research focuses on nanoneurotoxicity-nanoneurosafety concepts. Despite these efforts, nanoparticles (NPs) may cause neurotoxicity, neuroinflammation, and neurodegeneration by penetrating the brain-olfactory route and blood-brain barrier (BBB). Indeed, due to their unique structures nanomaterials can easily cross biological barriers, thus avoid drug delivery problems. Despite the advancement of nanotechnology for designing therapeutic agents, toxicity of these nanomaterials is still a concern. Activation of neurons by astrocytic glutamate is a result of NPs-mediated astrocyte-neuron crosstalk. Increased extracellular glutamate levels due to enhanced synthesis and reduced reuptake may induce neuronal damage by abnormal activation of extrasynaptic N-methyl d-aspartate receptor (NMDAR) subunits. NMDAR is the key factor that mediates the disturbances in intracellular calcium homeostasis, mitochondrial dysfunction and generation of reactive oxygen species in NPs exposed neurons. While some NPs cause neuronal death by inducing NMDARs, others may be neurotoxic through the alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors or protect the neurons via blocking NMDARs. However, mechanisms of dual effects of NPs, neurotoxicity or neuroprotection are not precisely known. Some NPs present neuroprotective effect either by selectively inhibiting extrasynaptic subunit of NMDARs or by attenuating oxidative stress. NPs-related proinflammatory activation of microglia contributes to the dysfunction and cytotoxicity in neurons. Therefore, investigation of the interaction of NPs with the neuronal signaling molecules and neuronal receptors is necessary for the better understanding of the neurotoxicity or neurosafety of nanomaterials.
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Affiliation(s)
- Ayse Basak Engin
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey.
| | - Atilla Engin
- Department of General Surgery, Faculty of Medicine, Gazi University, Ankara, Turkey
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Current Challenges in Cancer Immunotherapy: Multimodal Approaches to Improve Efficacy and Patient Response Rates. JOURNAL OF ONCOLOGY 2019; 2019:4508794. [PMID: 30941175 PMCID: PMC6420990 DOI: 10.1155/2019/4508794] [Citation(s) in RCA: 153] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 02/12/2019] [Indexed: 12/13/2022]
Abstract
Cancer immunotherapy is a promising innovative treatment for many forms of cancer, particularly melanoma. Although immunotherapy has been shown to be efficacious, patient response rates vary and, more often than not, only a small subset of the patients within a large cohort respond favourably to the treatment. This issue is particularly concerning and becomes a challenge of immunotherapy to improve the effectiveness and patient response rates. Here, we review the specific types of available immunotherapy options, their proposed mechanism(s) of action, and the reasons why the patient response to this treatment is variable. The potential favourable options to improve response rates to immunotherapy will be discussed with an emphasis on adopting a multimodal approach on the novel role that the gut microbiota may play in modulating the efficacy of cancer immunotherapy.
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Giarra S, Zappavigna S, Campani V, Abate M, Cossu AM, Leonetti C, Porru M, Mayol L, Caraglia M, De Rosa G. Chitosan-Based Polyelectrolyte Complexes for Doxorubicin and Zoledronic Acid Combined Therapy to Overcome Multidrug Resistance. Pharmaceutics 2018; 10:pharmaceutics10040180. [PMID: 30304840 PMCID: PMC6321278 DOI: 10.3390/pharmaceutics10040180] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/02/2018] [Accepted: 10/05/2018] [Indexed: 11/16/2022] Open
Abstract
This study aimed to develop nanovectors co-encapsulating doxorubicin (Doxo) and zoledronic acid (Zol) for a combined therapy against Doxo-resistant tumors. Chitosan (CHI)-based polyelectrolyte complexes (PECs) prepared by ionotropic gelation technique were proposed. The influence of some experimental parameters was evaluated in order to optimize the PECs in terms of size and polydispersity index (PI). PEC stability was studied by monitoring size and zeta potential over time. In vitro studies were carried out on wild-type and Doxo-resistant cell lines, to assess both the synergism between Doxo and Zol, as well as the restoring of Doxo sensitivity. Polymer concentration, incubation time, and use of a surfactant were found to be crucial to achieving small size and monodisperse PECs. Doxo and Zol, only when encapsulated in PECs, showed a synergistic antiproliferative effect in all the tested cell lines. Importantly, the incubation of Doxo-resistant cell lines with Doxo/Zol co-encapsulating PECs resulted in the restoration of Doxo sensitivity.
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Affiliation(s)
- Simona Giarra
- Department of Pharmacy, University of Naples Federico II, D. Montesano 49, 80131 Naples, Italy.
| | - Silvia Zappavigna
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, L. De Crecchio 7, 80138 Naples, Italy.
| | - Virginia Campani
- Department of Pharmacy, University of Naples Federico II, D. Montesano 49, 80131 Naples, Italy.
| | - Marianna Abate
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, L. De Crecchio 7, 80138 Naples, Italy.
| | - Alessia Maria Cossu
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, L. De Crecchio 7, 80138 Naples, Italy.
| | - Carlo Leonetti
- UOSD SAFU, IRCCS Regina Elena National Cancer Institute, E. Chianesi 53, 00144 Rome, Italy.
| | - Manuela Porru
- UOSD SAFU, IRCCS Regina Elena National Cancer Institute, E. Chianesi 53, 00144 Rome, Italy.
| | - Laura Mayol
- Department of Pharmacy, University of Naples Federico II, D. Montesano 49, 80131 Naples, Italy.
| | - Michele Caraglia
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, L. De Crecchio 7, 80138 Naples, Italy.
| | - Giuseppe De Rosa
- Department of Pharmacy, University of Naples Federico II, D. Montesano 49, 80131 Naples, Italy.
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Terry S, Faouzi Zaarour R, Hassan Venkatesh G, Francis A, El-Sayed W, Buart S, Bravo P, Thiery J, Chouaib S. Role of Hypoxic Stress in Regulating Tumor Immunogenicity, Resistance and Plasticity. Int J Mol Sci 2018; 19:ijms19103044. [PMID: 30301213 PMCID: PMC6213127 DOI: 10.3390/ijms19103044] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 09/28/2018] [Accepted: 10/04/2018] [Indexed: 12/15/2022] Open
Abstract
Hypoxia, or gradients of hypoxia, occurs in most growing solid tumors and may result in pleotropic effects contributing significantly to tumor aggressiveness and therapy resistance. Indeed, the generated hypoxic stress has a strong impact on tumor cell biology. For example, it may contribute to increasing tumor heterogeneity, help cells gain new functional properties and/or select certain cell subpopulations, facilitating the emergence of therapeutic resistant cancer clones, including cancer stem cells coincident with tumor relapse and progression. It controls tumor immunogenicity, immune plasticity, and promotes the differentiation and expansion of immune-suppressive stromal cells. In this context, manipulation of the hypoxic microenvironment may be considered for preventing or reverting the malignant transformation. Here, we review the current knowledge on how hypoxic stress in tumor microenvironments impacts on tumor heterogeneity, plasticity and resistance, with a special interest in the impact on immune resistance and tumor immunogenicity.
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Affiliation(s)
- Stéphane Terry
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, EPHE, Fac. de médecine-Univ. Paris-Sud, University Paris-Saclay, Villejuif F-94805, France.
| | - Rania Faouzi Zaarour
- Thumbay Research Institute of Precision Medicine, Gulf Medical University, Ajman 4184, United Arab Emirates.
| | - Goutham Hassan Venkatesh
- Thumbay Research Institute of Precision Medicine, Gulf Medical University, Ajman 4184, United Arab Emirates.
| | - Amirtharaj Francis
- Thumbay Research Institute of Precision Medicine, Gulf Medical University, Ajman 4184, United Arab Emirates.
| | - Walid El-Sayed
- Thumbay Research Institute of Precision Medicine, Gulf Medical University, Ajman 4184, United Arab Emirates.
| | - Stéphanie Buart
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, EPHE, Fac. de médecine-Univ. Paris-Sud, University Paris-Saclay, Villejuif F-94805, France.
| | - Pamela Bravo
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, EPHE, Fac. de médecine-Univ. Paris-Sud, University Paris-Saclay, Villejuif F-94805, France.
| | - Jérome Thiery
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, EPHE, Fac. de médecine-Univ. Paris-Sud, University Paris-Saclay, Villejuif F-94805, France.
| | - Salem Chouaib
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, EPHE, Fac. de médecine-Univ. Paris-Sud, University Paris-Saclay, Villejuif F-94805, France.
- Thumbay Research Institute of Precision Medicine, Gulf Medical University, Ajman 4184, United Arab Emirates.
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Self-assembling nanoparticles encapsulating zoledronic acid inhibit mesenchymal stromal cells differentiation, migration and secretion of proangiogenic factors and their interactions with prostate cancer cells. Oncotarget 2018; 8:42926-42938. [PMID: 28477013 PMCID: PMC5522116 DOI: 10.18632/oncotarget.17216] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 03/22/2017] [Indexed: 12/16/2022] Open
Abstract
Zoledronic Acid (ZA) rapidly concentrates into the bone and reduces skeletal-related events and pain in bone metastatic prostate cancer (PCa), but exerts only a limited or absent impact as anti-cancer activity. Recently, we developed self-assembling nanoparticles (NPS) encapsulating zoledronic acid (NZ) that allowed a higher intratumor delivery of the drug compared with free zoledronic acid (ZA) in in vivo cancer models of PCa. Increasing evidence suggests that Bone Marrow (BM) Mesenchymal stromal cells (BM-MSCs) are recruited into the stroma of developing tumors where they contribute to progression by enhancing tumor growth and metastasis. We demonstrated that treatment with NZ decreased migration and differentiation into adipocytes and osteoblasts of MSCs and inhibited osteoclastogenesis. Treatment with NZ reduced the capability of MSCs to promote the migration and the clonogenic growth of the prostate cancer cell lines PC3 and DU145. The levels of Interleukin-6 and of the pro-angiogenic factors VEGF and FGF-2 were significantly reduced in MSC-CM derived from MSCs treated with NZ, and CCL5 secretion was almost totally abolished. Moreover, treatment of MSCs with supernatants from PC3 cells, leading to tumor-educated MSCs (TE-MSCs), increased the secretion of IL-6, CCL5, VEGF and FGF-2 by MSCs and increased their capability to increase PC3 cells clonogenic growth. Treatment with NZ decreased cytokine secretion and the pro-tumorigenic effects also of TE-MSCS. In conclusion, demonstrating that NZ is capable to inhibit the cross talk between MSCs and PCa, this study provides a novel insight to explain the powerful anticancer activity of NZ on PCa.
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Chen Z, Zheng Y, Shi Y, Cui Z. Overcoming tumor cell chemoresistance using nanoparticles: lysosomes are beneficial for (stearoyl) gemcitabine-incorporated solid lipid nanoparticles. Int J Nanomedicine 2018; 13:319-336. [PMID: 29391792 PMCID: PMC5768424 DOI: 10.2147/ijn.s149196] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Despite recent advances in targeted therapies and immunotherapies, chemotherapy using cytotoxic agents remains an indispensable modality in cancer treatment. Recently, there has been a growing emphasis in using nanomedicine in cancer chemotherapy, and several nanomedicines have already been used clinically to treat cancers. There is evidence that formulating small molecular cancer chemotherapeutic agents into nanomedicines significantly modifies their pharmacokinetics and often improves their efficacy. Importantly, cancer cells often develop resistance to chemotherapy, and formulating anticancer drugs into nanomedicines also helps overcome chemoresistance. In this review, we briefly describe the different classes of cancer chemotherapeutic agents, their mechanisms of action and resistance, and evidence of overcoming the resistance using nanomedicines. We then emphasize on gemcitabine and our experience in discovering the unique (stearoyl) gemcitabine solid lipid nanoparticles that are effective against tumor cells resistant to gemcitabine and elucidate the underlying mechanisms. It seems that lysosomes, which are an obstacle in the delivery of many drugs, are actually beneficial for our (stearoyl) gemcitabine solid lipid nanoparticles to overcome tumor cell resistance to gemcitabine.
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Affiliation(s)
- Zhe Chen
- Inner Mongolia Key Lab of Molecular Biology, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Yuanqiang Zheng
- Inner Mongolia Key Lab of Molecular Biology, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Yanchun Shi
- Inner Mongolia Key Lab of Molecular Biology, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Zhengrong Cui
- Inner Mongolia Key Lab of Molecular Biology, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China.,Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
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Shen H, Sun T, Hoang HH, Burchfield JS, Hamilton GF, Mittendorf EA, Ferrari M. Enhancing cancer immunotherapy through nanotechnology-mediated tumor infiltration and activation of immune cells. Semin Immunol 2017; 34:114-122. [PMID: 28947107 PMCID: PMC5705528 DOI: 10.1016/j.smim.2017.09.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/10/2017] [Accepted: 09/11/2017] [Indexed: 12/11/2022]
Abstract
Cancer immunotherapy has become arguably the most promising advancement in cancer research and therapy in recent years. The efficacy of cancer immunotherapy is critically dependent on specific physiological and physical processes - collectively referred to as transport barriers - including the activation of T cells by antigen presenting cells, T cells migration to and penetration into the tumor microenvironment, and movement of nutrients and other immune cells through the tumor microenvironment. Nanotechnology-based approaches have great potential to help overcome these transport barriers. In this review, we discuss the ways that nanotechnology is being leveraged to improve the efficacy and potency of various cancer immunotherapies.
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Affiliation(s)
- Haifa Shen
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA; Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10065, USA
| | - Tong Sun
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA
| | - Hanh H Hoang
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA
| | - Jana S Burchfield
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA
| | - Gillian F Hamilton
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA
| | - Elizabeth A Mittendorf
- Department of Breast Surgical Oncology, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Mauro Ferrari
- Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030, USA; Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA.
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Naz S, Shahzad H, Ali A, Zia M. Nanomaterials as nanocarriers: a critical assessment why these are multi-chore vanquisher in breast cancer treatment. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:899-916. [PMID: 28914553 DOI: 10.1080/21691401.2017.1375937] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Breast cancer is a group of diseases with various subtypes and leads to high mortality throughout the globe. Various conventional techniques are in practice to cure breast cancer but these techniques are linked with various shortcomings. Mostly these treatments are not site directed and cause toxicity towards normal cells. In order to overcome these issues, we need smart system that can deliver anticancer drugs to specific sites. Targeted drug delivery can be achieved via passive or active drug delivery using nanocarriers. This mode of drug delivery is more effective against breast cancer and may help in the reduction of mortality rate. Potentially used nanocarriers for targeted drug delivery belong to organic and inorganic molecules. Various FDA approved nano products are in use to cure breast cancer. However, body's defense system is main limitation for potential use of nano systems. However, this can be overcome by surface modification of nanocarriers. In this review, breast cancer and its types, targeted drug delivery and nanocarriers used to cure breast cancer are discussed. By progressing nanotechnology, we will be able to fight against this life threatening issue and serve the humanity, which is the basic aim of scientific knowledge.
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Affiliation(s)
- Sania Naz
- a Department of Biotechnology , Quaid-i-Azam University , Islamabad , Pakistan
| | - Hira Shahzad
- b Institute of Biochemistry and Biotechnology, PMAS Arid Agriculture , Rawalpindi , Pakistan
| | - Attarad Ali
- a Department of Biotechnology , Quaid-i-Azam University , Islamabad , Pakistan
| | - Muhammad Zia
- a Department of Biotechnology , Quaid-i-Azam University , Islamabad , Pakistan
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Nanoparticles and targeted drug delivery in cancer therapy. Immunol Lett 2017; 190:64-83. [PMID: 28760499 DOI: 10.1016/j.imlet.2017.07.015] [Citation(s) in RCA: 253] [Impact Index Per Article: 36.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 07/04/2017] [Accepted: 07/26/2017] [Indexed: 12/11/2022]
Abstract
Surgery, chemotherapy, radiotherapy, and hormone therapy are the main common anti-tumor therapeutic approaches. However, the non-specific targeting of cancer cells has made these approaches non-effective in the significant number of patients. Non-specific targeting of malignant cells also makes indispensable the application of the higher doses of drugs to reach the tumor region. Therefore, there are two main barriers in the way to reach the tumor area with maximum efficacy. The first, inhibition of drug delivery to healthy non-cancer cells and the second, the direct conduction of drugs into tumor site. Nanoparticles (NPs) are the new identified tools by which we can deliver drugs into tumor cells with minimum drug leakage into normal cells. Conjugation of NPs with ligands of cancer specific tumor biomarkers is a potent therapeutic approach to treat cancer diseases with the high efficacy. It has been shown that conjugation of nanocarriers with molecules such as antibodies and their variable fragments, peptides, nucleic aptamers, vitamins, and carbohydrates can lead to effective targeted drug delivery to cancer cells and thereby cancer attenuation. In this review, we will discuss on the efficacy of the different targeting approaches used for targeted drug delivery to malignant cells by NPs.
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Li X, Naguib YW, Valdes S, Hufnagel S, Cui Z. Reverse Microemulsion-Based Synthesis of (Bis)phosphonate-Metal Materials with Controllable Physical Properties: An Example Using Zoledronic Acid-Calcium Complexes. ACS APPLIED MATERIALS & INTERFACES 2017; 9:14478-14489. [PMID: 28252282 PMCID: PMC5485920 DOI: 10.1021/acsami.6b15006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The development of phosphonate-metal materials is tightly related to the advancement in their synthesis methods. Herein, using zoledronic acid (Zol), a bisphosphonate (bioacitve phosphonate with a "P-C-P" structure), and calcium as model molecules, we applied the reverse microemulsion (RM) method to synthesize a series of Zol-Ca complexes. We comprehensively (i) studied the relationship between RM conditions, including the component ratio of RM, cosurfactants, reaction time, reactant concentration, reaction temperature, and the presence of a phospholipid, 1, 2-dioleoyl-sn-glycero-3-phosphate acid (DOPA), and the physical properties of the complexes synthesized (i.e., shape, size, uniformity, monodispersity, and hydrophilicity/hydrophobicity) and (ii) explored the underlying mechanisms. To evaluate the biomedical application potential of the Zol-Ca complexes synthesized, one type of hydrophobic, DOPA-coated spherical Zol-Ca complexes (denoted as Zol-Ca@DOPA) was formulated into a PEGylated lipid-based nanoparticle formulation (i.e., Zol-Ca@bilipid NPs, ∼24 nm in diameter). In a mouse model with orthotopic mammary tumors, the Zol-Ca@bilipid NPs significantly enhanced the distribution of Zol in tumors, as compared to free Zol. It is expected that the RM-based synthesis of (bis)phosphonate-metal materials with controllable physical properties will help expand their applications.
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Abstract
Development of novel drug-delivery systems aims to specifically deliver anticancer drugs to tumor tissues and improve the efficiency of chemotherapy, while minimizing side effects of drugs on healthy tissues and organs. However, drug-delivery systems are confronted by membrane barriers and multiple drug resistance in cancer cells. In recent years, the obtained results indicate an important role of lipids, proteins and carbohydrates in apoptosis, drug transport and the process of cellular uptake of nanoparticles via endocytosis. This article discusses the hypothesis of the relationship between cell membrane structure and nanoparticles in cancer cells.
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