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Fujiike AY, de Oliveira LCB, Ribeiro DL, Pereira ÉR, Okuyama NCM, Dos Santos AGP, de Syllos Cólus IM, Serpeloni JM. Effects of docetaxel on metastatic prostate (DU-145) carcinoma cells cultured as 2D monolayers and 3D multicellular tumor spheroids. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2024; 87:227-244. [PMID: 38095149 DOI: 10.1080/15287394.2023.2293218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Docetaxel (DTX) is one of the chemotherapeutic drugs indicated as a first-line treatment against metastatic prostate cancer (mPCa). This study aimed to compare the impact of DTX on mPCa (DU-145) tumor cells cultured as 2D monolayers and 3D multicellular tumor spheroids (MCTS) in vitro. The cells were treated with DTX (1-96 µM) at 24, 48, or 72 hr in cell viability assays (resazurin, phosphatase acid, and lactate dehydrogenase). Cell death was assessed with fluorescent markers and proliferation by clonogenic assay (2D) and morphology, volume, and integrity assay (3D). The cell invasion was determined using transwell (2D) and extracellular matrix (ECM) (3D). Results showed that DTX decreased cell viability in both culture models. In 2D, the IC50 (72 hr) values were 11.06 μM and 14.23 μM for resazurin and phosphatase assays, respectively. In MCTS, the IC50 values for the same assays were 114.9 μM and 163.7 μM, approximately 10-fold higher than in the 2D model. The % of viable cells decreased, while the apoptotic cell number was elevated compared to the control in 2D. In 3D spheroids, only DTX 24 μM induced apoptosis. DTX (≥24 μM at 216 hr) lowered the volume, and DTX 96 μM completely disintegrated the MCTS. DTX reduced the invasion of mPCa cells to matrigel (2D) and migration from MCTS to the ECM. Data demonstrated significant differences in drug response between 2D and 3D cell culture models using mPCa DU-145 tumor cells. MCTS resembles the early stages of solid tumors in vivo and needs to be considered in conjunction with 2D cultures when searching for new therapeutic targets.
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Affiliation(s)
- Andressa Yuri Fujiike
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina, PR, Brazil
| | - Larissa Cristina Bastos de Oliveira
- Division of Cancer Biology and Genetics, Cancer Research Institute, and Department of Pathology and Molecular Medicine, Queen's University, Kingston, ON, Canada
| | - Diego Luis Ribeiro
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo (ICB/USP), São Paulo, Brazil
| | - Érica Romão Pereira
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina, PR, Brazil
| | - Nádia Calvo Martins Okuyama
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina, PR, Brazil
| | | | - Ilce Mara de Syllos Cólus
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina, PR, Brazil
| | - Juliana Mara Serpeloni
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina, PR, Brazil
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Mitchell E, Tjhung E. Macroscopic current generated by local division and apoptosis in a minimal model of tissue dynamics. SOFT MATTER 2022; 18:1082-1088. [PMID: 35029249 DOI: 10.1039/d1sm00928a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
It has been known that the motion of self-propelled particles inside an asymmetric channel can be rectified to give rise to a macroscopic and unidirectional current. In this paper, we show that division and apoptosis process alone (which are ubiquitous in all living systems), without any self-propulsion, are sufficient to give rise to a macroscopic and unidirectional current in a similar channel. More specifically, we consider a minimal computational model of two-dimensional living tissues, with two active ingredients: local particle division and apoptosis, and we found a net steady state current along the channel. This mechanism is fundamentally different from that of self-propelled particles, since this requires the system to be dense. Finally, our results might have applications in tissue engineering such as controlling tissue growth via a geometrically non-uniform substrate.
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Affiliation(s)
- Emma Mitchell
- Department of Physics, University of Durham, Science Laboratories, South Road, Durham DH1 3LE, UK.
| | - Elsen Tjhung
- Department of Physics, University of Durham, Science Laboratories, South Road, Durham DH1 3LE, UK.
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α-Mangostin Nanoparticles Cytotoxicity and Cell Death Modalities in Breast Cancer Cell Lines. Molecules 2021; 26:molecules26175119. [PMID: 34500560 PMCID: PMC8434247 DOI: 10.3390/molecules26175119] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/18/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
α-Mangostin (AMG) is a potent anticancer xanthone that was discovered in mangosteen (Garcinia mangostana Linn.). AMG possesses the highest opportunity for chemopreventive and chemotherapeutic therapy. AMG inhibits every step in the process of carcinogenesis. AMG suppressed multiple breast cancer (BC) cell proliferation and apoptosis by decreasing the creation of cancerous compounds. Accumulating BC abnormalities and their associated molecular signaling pathways promotes novel treatment strategies. Chemotherapy is a commonly used treatment; due to the possibility of unpleasant side effects and multidrug resistance, there has been substantial progress in searching for alternative solutions, including the use of plant-derived natural chemicals. Due to the limitations of conventional cancer therapy, nanotechnology provides hope for effective and efficient cancer diagnosis and treatment. Nanotechnology enables the delivery of nanoparticles and increased solubility of drugs and drug targeting, resulting in increased cytotoxicity and cell death during BC treatment. This review summarizes the progress and development of AMG’s cytotoxicity and the mechanism of death BC cells. The combination of natural medicine and nanotechnology into a synergistic capital will provide various benefits. This information will aid in the development of AMG nanoparticle preparations and may open up new avenues for discovering an effective BC treatment.
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