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Singh R, Singh B, Singh A, Rana S, Sharma K, Viswakarma P, Gopu B, Nalli Y. Canniprene B, a new prenylated dihydrostilbene with cytotoxic activities from the leaves of Cannabis sativa. Nat Prod Res 2024:1-9. [PMID: 38989798 DOI: 10.1080/14786419.2024.2376348] [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: 04/03/2024] [Accepted: 07/01/2024] [Indexed: 07/12/2024]
Abstract
A new, canniprene B (4), along with five known (1-3 and 5-6) dihydrostilbenes were isolated from the leaves of Cannabis sativa collected at CSIR - IIIM, Jammu, India. Structures of all isolated compounds were elucidated by spectroscopic data analysis, including 1D and 2D NMR, and HR-ESI-MS. Canniprene B is a new prenylated dihydrostilbenes, a positional isomer of the known compound canniprene (5). The cytotoxic activities of these compounds (1-6) were evaluated using the SRB assay against a panel of five human cancer cell lines. Notably, canniprene B (4) exhibited varying levels of cytotoxicity with IC50 values ranging from 2.5 to 33.52 μM, demonstrating the most potent activity against pancreatic cancer cells.
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Affiliation(s)
- Ruhi Singh
- Pharmacology Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
| | - Bikram Singh
- Pharmacology Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ajay Singh
- Pharmacology Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Shivani Rana
- Pharmacology Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Kirti Sharma
- Natural Products and Medicinal Chemistry Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
| | - Pooja Viswakarma
- Natural Products and Medicinal Chemistry Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
| | - Boobalan Gopu
- Pharmacology Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Yedukondalu Nalli
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- Natural Products and Medicinal Chemistry Division, CSIR - Indian Institute of Integrative Medicine, Jammu, India
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2
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Rane A, Jarmoshti J, Siddique AB, Adair S, Torres-Castro K, Honrado C, Bauer TW, Swami NS. Dielectrophoretic enrichment of live chemo-resistant circulating-like pancreatic cancer cells from media of drug-treated adherent cultures of solid tumors. LAB ON A CHIP 2024; 24:561-571. [PMID: 38174422 PMCID: PMC10826460 DOI: 10.1039/d3lc00804e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024]
Abstract
Due to low numbers of circulating tumor cells (CTCs) in liquid biopsies, there is much interest in enrichment of alternative circulating-like mesenchymal cancer cell subpopulations from in vitro tumor cultures for utilization within molecular profiling and drug screening. Viable cancer cells that are released into the media of drug-treated adherent cancer cell cultures exhibit anoikis resistance or anchorage-independent survival away from their extracellular matrix with nutrient sources and waste sinks, which serves as a pre-requisite for metastasis. The enrichment of these cell subpopulations from tumor cultures can potentially serve as an in vitro source of circulating-like cancer cells with greater potential for scale-up in comparison with CTCs. However, these live circulating-like cancer cell subpopulations exhibit size overlaps with necrotic and apoptotic cells in the culture media, which makes it challenging to selectively enrich them, while maintaining them in their suspended state. We present optimization of a flowthrough high frequency (1 MHz) positive dielectrophoresis (pDEP) device with sequential 3D field non-uniformities that enables enrichment of the live chemo-resistant circulating cancer cell subpopulation from an in vitro culture of metastatic patient-derived pancreatic tumor cells. Central to this strategy is the utilization of single-cell impedance cytometry with gates set by supervised machine learning, to optimize the frequency for pDEP, so that live circulating cells are selected based on multiple biophysical metrics, including membrane physiology, cytoplasmic conductivity and cell size, which is not possible using deterministic lateral displacement that is solely based on cell size. Using typical drug-treated samples with low levels of live circulating cells (<3%), we present pDEP enrichment of the target subpopulation to ∼44% levels within 20 minutes, while rejecting >90% of dead cells. This strategy of utilizing single-cell impedance cytometry to guide the optimization of dielectrophoresis has implications for other complex biological samples.
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Affiliation(s)
- Aditya Rane
- Chemistry, University of Virginia, Charlottesville, USA.
| | - Javad Jarmoshti
- Electrical & Computer Engineering, University of Virginia, Charlottesville, USA
| | | | - Sara Adair
- Surgery, School of Medicine, University of Virginia, Charlottesville, USA
| | | | - Carlos Honrado
- International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - Todd W Bauer
- Surgery, School of Medicine, University of Virginia, Charlottesville, USA
| | - Nathan S Swami
- Chemistry, University of Virginia, Charlottesville, USA.
- Electrical & Computer Engineering, University of Virginia, Charlottesville, USA
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3
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Saunders KDG, Lewis HM, Beste DJ, Cexus O, Bailey MJ. Spatial single cell metabolomics: Current challenges and future developments. Curr Opin Chem Biol 2023; 75:102327. [PMID: 37224735 DOI: 10.1016/j.cbpa.2023.102327] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 04/03/2023] [Accepted: 04/24/2023] [Indexed: 05/26/2023]
Abstract
Single cell metabolomics is a rapidly advancing field of bio-analytical chemistry which aims to observe cellular biology with the greatest detail possible. Mass spectrometry imaging and selective cell sampling (e.g. using nanocapillaries) are two common approaches within the field. Recent achievements such as observation of cell-cell interactions, lipids determining cell states and rapid phenotypic identification demonstrate the efficacy of these approaches and the momentum of the field. However, single cell metabolomics can only continue with the same impetus if the universal challenges to the field are met, such as the lack of strategies for standardisation and quantification, and lack of specificity/sensitivity. Mass spectrometry imaging and selective cell sampling come with unique advantages and challenges which, in many cases are complementary to each other. We propose here that the challenges specific to each approach could be ameliorated with collaboration between the two communities driving these approaches.
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Affiliation(s)
| | - Holly-May Lewis
- Department of Chemistry, University of Surrey, Guildford, UK
| | - Dany Jv Beste
- Department of Microbial Sciences, University of Surrey, Guildford, UK
| | - Olivier Cexus
- Faculty of Health & Medical Sciences, University of Surrey, Guildford, UK
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Kaynak A, N’Guessan KF, Patel PH, Lee JH, Kogan AB, Narmoneva DA, Qi X. Electric Fields Regulate In Vitro Surface Phosphatidylserine Exposure of Cancer Cells via a Calcium-Dependent Pathway. Biomedicines 2023; 11:biomedicines11020466. [PMID: 36831002 PMCID: PMC9953458 DOI: 10.3390/biomedicines11020466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
Cancer is the second leading cause of death worldwide after heart disease. The current treatment options to fight cancer are limited, and there is a critical need for better treatment strategies. During the last several decades, several electric field (EF)-based approaches for anti-cancer therapies have been introduced, such as electroporation and tumor-treating fields; still, they are far from optimal due to their invasive nature, limited efficacy and significant side effects. In this study, we developed a non-contact EF stimulation system to investigate the in vitro effects of a novel EF modality on cancer biomarkers in normal (human astrocytes, human pancreatic ductal epithelial -HDPE-cells) and cancer cell lines (glioblastoma U87-GBM, human pancreatic cancer cfPac-1, and MiaPaCa-2). Our results demonstrate that this EF modality can successfully modulate an important cancer cell biomarker-cell surface phosphatidylserine (PS). Our results further suggest that moderate, but not low, amplitude EF induces p38 mitogen-activated protein kinase (MAPK), actin polymerization, and cell cycle arrest in cancer cell lines. Based on our results, we propose a mechanism for EF-mediated PS exposure in cancer cells, where the magnitude of induced EF on the cell surface can differentially regulate intracellular calcium (Ca2+) levels, thereby modulating surface PS exposure.
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Affiliation(s)
- Ahmet Kaynak
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
- Division of Hematology and Oncology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Kombo F. N’Guessan
- Division of Hematology and Oncology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Priyankaben H. Patel
- Department of Biomedical Sciences, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Jing-Huei Lee
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Andrei B. Kogan
- Department of Physics, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Daria A. Narmoneva
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Xiaoyang Qi
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
- Division of Hematology and Oncology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
- Correspondence: ; Tel.: +1-513-558-4025
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Polyethyleneglycol-Betulinic Acid (PEG-BA) Polymer-Drug Conjugate Induces Apoptosis and Antioxidation in a Biological Model of Pancreatic Cancer. Polymers (Basel) 2023; 15:polym15020448. [PMID: 36679328 PMCID: PMC9863557 DOI: 10.3390/polym15020448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/05/2023] [Accepted: 01/09/2023] [Indexed: 01/19/2023] Open
Abstract
Pancreatic cancer (PC) is one of the most aggressive solid malignancies with poor treatment response and low survival rates. Herbal medicines such as betulinic acid (BA) have shown potential in treating various solid tumours, but with limitations that can be circumvented by polymer-drug conjugation. Polyethylene glycol-BA (PEG-BA) polymer-drug conjugate has previously shown selective anticancer activity against PC cells. Here, we elucidate the mechanism of cell death and the cell death pathway, anti-inflammatory and antioxidant activities of PEG-BA. PEG-BA induced apoptotic cell death by arresting MIA-PaCa-2 cells in the Sub-G1 phase of the cell cycle compared with BA and untreated cells (39.50 ± 5.32% > 19.63 ± 4.49% > 4.57 ± 0.82%). NFκB/p65 protein expression was moderately increased by PEG-BA (2.70 vs. 3.09 ± 0.42 ng/mL; p = 0.1521). However, significant (p < 0.05) overexpression of the proapoptotic genes TNF (23.72 ± 1.03) and CASPASE 3 (12,059.98 ± 1.74) compared with untreated cells was notable. The antioxidant potential of PEG-BA was greater (IC50 = 15.59 ± 0.64 µM) compared with ascorbic acid (25.58 ± 0.44 µM) and BA-only (>100 µM) and further confirmed with the improved reduction of hydroperoxide levels compared with BA-only (518.80 ± 25.53 µM vs. 542.43 ± 9.70 µM). In conclusion, PEG-BA activated both the intrinsic and extrinsic pathways of apoptosis and improved antioxidant activities in PC cells, suggesting enhanced anticancer activity upon conjugation.
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Shichi Y, Gomi F, Sasaki N, Nonaka K, Arai T, Ishiwata T. Epithelial and Mesenchymal Features of Pancreatic Ductal Adenocarcinoma Cell Lines in Two- and Three-Dimensional Cultures. J Pers Med 2022; 12:jpm12050746. [PMID: 35629168 PMCID: PMC9146102 DOI: 10.3390/jpm12050746] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/01/2022] [Accepted: 05/02/2022] [Indexed: 02/01/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an intractable cancer that is difficult to diagnose early, and there is no cure other than surgery. PDAC is classified as an adenocarcinoma that has limited effective anticancer drug and molecular-targeted therapies compared to adenocarcinoma found in other organs. A large number of cancer cell lines have been established from patients with PDAC that have different genetic abnormalities, including four driver genes; however, little is known about the differences in biological behaviors among these cell lines. Recent studies have shown that PDAC cell lines can be divided into epithelial and mesenchymal cell lines. In 3D cultures, morphological and functional differences between epithelial and mesenchymal PDAC cell lines were observed as well as the drug effects of different anticancer drugs. These effects included gemcitabine causing an increased growth inhibition of epithelial PDAC cells, while nab-paclitaxel caused greater mesenchymal PDAC cell inhibition. Thus, examining the characteristics of epithelial or mesenchymal PDAC cells with stromal cells using a 3D co-culture may lead to the development of new anticancer drugs.
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Affiliation(s)
- Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan;
| | - Keisuke Nonaka
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Hospital and Institute of Gerontology, Tokyo 173-0015, Japan;
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
- Correspondence: ; Tel.: +81-3-3964-1141 (ext. 4414)
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A morphological study of adipose-derived stem cell sheets created with temperature-responsive culture dishes using scanning electron microscopy. Med Mol Morphol 2022; 55:187-198. [PMID: 35449367 DOI: 10.1007/s00795-022-00319-8] [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: 10/08/2021] [Accepted: 03/22/2022] [Indexed: 10/18/2022]
Abstract
Adipose-derived stem cell (ADSC) sheets have potential to be effective in various therapies. In this study, we first demonstrated that a cell sheet composed of human ADSCs could be created using a new temperature-responsive culture dish from the DIC Corporation. The dish can cause detachment of adherent cells due to temperature changes, but a few morphological analyses have evaluated the presence or absence of damage on the detached surface of cell sheet. To characterize our ADSC sheet, we tried to observe the surface of ADSC sheets with scanning electron microscope (SEM) using the ionic liquid, which enables the rapid preparation of samples. No damage was found on the surface of the ADSC sheets on the side that had been in contact with the surface of the culture dishes. In addition, when the transcriptomes of the harvested cell sheets were compared with those of monolayer cultures, no up-regulation of cell death related genes were detected. These results propose that the detachment from temperature-responsive culture dish causes no serious damage on the prepared ADSC sheet. It is also suggested that the SEM with ionic liquids is a useful and rapid method for the analysis of ADSC sheets for therapy.
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Roy SM, Garg V, Barman S, Ghosh C, Maity AR, Ghosh SK. Kinetics of Nanomedicine in Tumor Spheroid as an In Vitro Model System for Efficient Tumor-Targeted Drug Delivery With Insights From Mathematical Models. Front Bioeng Biotechnol 2021; 9:785937. [PMID: 34926430 PMCID: PMC8671936 DOI: 10.3389/fbioe.2021.785937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/27/2021] [Indexed: 12/25/2022] Open
Abstract
Numerous strategies have been developed to treat cancer conventionally. Most importantly, chemotherapy shows its huge promise as a better treatment modality over others. Nonetheless, the very complex behavior of the tumor microenvironment frequently impedes successful drug delivery to the tumor sites that further demands very urgent and effective distribution mechanisms of anticancer drugs specifically to the tumor sites. Hence, targeted drug delivery to tumor sites has become a major challenge to the scientific community for cancer therapy by assuring drug effects to selective tumor tissue and overcoming undesired toxic side effects to the normal tissues. The application of nanotechnology to the drug delivery system pays heed to the design of nanomedicine for specific cell distribution. Aiming to limit the use of traditional strategies, the adequacy of drug-loaded nanocarriers (i.e., nanomedicine) proves worthwhile. After systemic blood circulation, a typical nanomedicine follows three levels of disposition to tumor cells in order to exhibit efficient pharmacological effects induced by the drug candidates residing within it. As a result, nanomedicine propounds the assurance towards the improved bioavailability of anticancer drug candidates, increased dose responses, and enhanced targeted efficiency towards delivery and distribution of effective therapeutic concentration, limiting toxic concentration. These aspects emanate the proficiency of drug delivery mechanisms. Understanding the potential tumor targeting barriers and limiting conditions for nanomedicine extravasation, tumor penetration, and final accumulation of the anticancer drug to tumor mass, experiments with in vivo animal models for nanomedicine screening are a key step before it reaches clinical translation. Although the study with animals is undoubtedly valuable, it has many associated ethical issues. Moreover, individual experiments are very expensive and take a longer time to conclude. To overcome these issues, nowadays, multicellular tumor spheroids are considered a promising in vitro model system that proposes better replication of in vivo tumor properties for the future development of new therapeutics. In this review, we will discuss how tumor spheroids could be used as an in vitro model system to screen nanomedicine used in targeted drug delivery, aiming for better therapeutic benefits. In addition, the recent proliferation of mathematical modeling approaches gives profound insight into the underlying physical principles and produces quantitative predictions. The hierarchical tumor structure is already well decorous to be treated mathematically. To study targeted drug delivery, mathematical modeling of tumor architecture, its growth, and the concentration gradient of oxygen are the points of prime focus. Not only are the quantitative models circumscribed to the spheroid, but also the role of modeling for the nanoparticle is equally inevitable. Abundant mathematical models have been set in motion for more elaborative and meticulous designing of nanomedicine, addressing the question regarding the objective of nanoparticle delivery to increase the concentration and the augmentative exposure of the therapeutic drug molecule to the core. Thus, to diffuse the dichotomy among the chemistry involved, biological data, and the underlying physics, the mathematical models play an indispensable role in assisting the experimentalist with further evaluation by providing the admissible quantitative approach that can be validated. This review will provide an overview of the targeted drug delivery mechanism for spheroid, using nanomedicine as an advantageous tool.
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Affiliation(s)
| | - Vrinda Garg
- Department of Physics, National Institute of Technology, Warangal, India
| | - Sourav Barman
- Amity Institute of Biotechnology, Amity University, Kolkata, India
| | - Chitrita Ghosh
- Department of Pharmacology, Burdwan Medical College and Hospital, Burdwan, India
| | | | - Surya K. Ghosh
- Department of Physics, National Institute of Technology, Warangal, India
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Morphofunctional analysis of human pancreatic cancer cell lines in 2- and 3-dimensional cultures. Sci Rep 2021; 11:6775. [PMID: 33762591 PMCID: PMC7990961 DOI: 10.1038/s41598-021-86028-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 03/10/2021] [Indexed: 12/18/2022] Open
Abstract
Genetic, transcriptional, and morphological differences have been reported in pancreatic ductal adenocarcinoma (PDAC) cases. We recently found that epithelial or mesenchymal features were enhanced in three-dimensional (3D) cultures compared to two-dimensional (2D) cultures. In this study, we examined the differences in the morphological and functional characteristics of eight PDAC cell lines in 2D and 3D cultures. Most PDAC cells showed similar pleomorphic morphologies in 2D culture. Under 3D culture, PDAC cells with high E-cadherin and low vimentin expression levels (epithelial) formed small round spheres encircled with flat lining cells, whereas those with high vimentin and low E-cadherin expression levels (mesenchymal) formed large grape-like spheres without lining cells and were highly proliferative. In 3D culture, gemcitabine was more effective for the spheres formed by PDAC cells with epithelial features, while abraxane was more effective on those with mesenchymal features. The expression levels of drug transporters were highest PDAC cells with high vimentin expression levels. These findings indicate that PDAC cells possess various levels of epithelial and mesenchymal characteristics. The 3D-culture method is useful for investigating the diversity of PDAC cell lines and may play important roles in the development of personalized early diagnostic methods and anticancer drugs for PDAC.
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