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Kim SE, Yun S, Doh J, Kim HN. Imaging-Based Efficacy Evaluation of Cancer Immunotherapy in Engineered Tumor Platforms and Tumor Organoids. Adv Healthc Mater 2024:e2400475. [PMID: 38815251 DOI: 10.1002/adhm.202400475] [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: 02/06/2024] [Revised: 05/16/2024] [Indexed: 06/01/2024]
Abstract
Cancer immunotherapy is used to treat tumors by modulating the immune system. Although the anticancer efficacy of cancer immunotherapy has been evaluated prior to clinical trials, conventional in vivo animal and endpoint models inadequately replicate the intricate process of tumor elimination and reflect human-specific immune systems. Therefore, more sophisticated models that mimic the complex tumor-immune microenvironment must be employed to assess the effectiveness of immunotherapy. Additionally, using real-time imaging technology, a step-by-step evaluation can be applied, allowing for a more precise assessment of treatment efficacy. Here, an overview of the various imaging-based evaluation platforms recently developed for cancer immunotherapeutic applications is presented. Specifically, a fundamental technique is discussed for stably observing immune cell-based tumor cell killing using direct imaging, a microwell that reproduces a confined space for spatial observation, a droplet assay that facilitates cell-cell interactions, and a 3D microphysiological system that reconstructs the vascular environment. Furthermore, it is suggested that future evaluation platforms pursue more human-like immune systems.
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Affiliation(s)
- Seong-Eun Kim
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea
| | - Suji Yun
- Interdisciplinary Program for Bioengineering, Seoul National University, Seoul, 08826, South Korea
| | - Junsang Doh
- Interdisciplinary Program for Bioengineering, Seoul National University, Seoul, 08826, South Korea
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Institute of Engineering Research, Bio-MAX institute, Soft Foundry Institute, Seoul National University, Seoul, 08826, South Korea
| | - Hong Nam Kim
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, 02792, Republic of Korea
- School of Mechanical Engineering, Yonsei University, Seoul, 03722, Republic of Korea
- Yonsei-KIST Convergence Research Institute, Yonsei University, Seoul, 03722, Republic of Korea
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2
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Nickl V, Fakler J, Ziebolz D, Rumpel C, Stabenow L, Bernhagen J, Rampeltshammer E, Ernestus RI, Löhr M, Gugel I, Matthies C, Monoranu CM, Hagemann C, Breun M. Development of a vestibular schwannoma tumor slice model for pharmacological testing. J Neurosci Methods 2024; 405:110082. [PMID: 38387803 DOI: 10.1016/j.jneumeth.2024.110082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/16/2024] [Accepted: 02/15/2024] [Indexed: 02/24/2024]
Abstract
BACKGROUND Our goal was to develop a 3D tumor slice model, replicating the individual tumor microenvironment and for individual pharmaceutical testing in vestibular schwannomas with and without relation to NF2. METHODS Tissue samples from 16 VS patients (14 sporadic, 2 NF2-related) were prospectively analyzed. Slices of 350 µm thickness were cultured in vitro, and the 3D tumor slice model underwent thorough evaluation for culturing time, microenvironment characteristics, morphology, apoptosis, and proliferation rates. Common drugs - Lapatinib (10 µM), Nilotinib (20 µM), and Bevacizumab (10 µg/ml) - known for their responses in VS were used for treatment. Treatment responses were assessed using CC3 as an apoptosis marker and Ki67 as a proliferation marker. Standard 2D cell culture models of the same tumors served as controls. RESULTS The 3D tumor slice model accurately mimicked VS ex vivo, maintaining stability for three months. Cell count within the model was approximately tenfold higher than in standard cell culture, and the tumor microenvironment remained stable for 46 days. Pharmacological testing was feasible for up to three weeks, revealing interindividual differences in treatment response to Lapatinib and intraindividual variability in response to Lapatinib and Nilotinib. The observed effects were less pronounced in tumor slices than in standard cell culture, indicating the model's proximity to in vivo tumor biology and enhanced realism. Bevacizumab had limited impact in both models. CONCLUSION This study introduces a 3D tumor slice model for sporadic and NF2-related VS, demonstrating stability for up to 3 months, replication of the schwannoma microenvironment, and utility for individualized pharmacological testing.
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Affiliation(s)
- Vera Nickl
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany.
| | - Jonathan Fakler
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - David Ziebolz
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Charlotte Rumpel
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Linus Stabenow
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Johanna Bernhagen
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Eva Rampeltshammer
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Ralf-Ingo Ernestus
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Mario Löhr
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Isabel Gugel
- Department of Neurosurgery, University Hospital Tübingen, Tübingen, Germany; Centre of Neurofibromatosis and Rare Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Cordula Matthies
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Camelia M Monoranu
- Institute of Pathology, Department of Neuropathology, University of Würzburg, Würzburg, Germany
| | - Carsten Hagemann
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Maria Breun
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
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Yun C, Kim SH, Kim KM, Yang MH, Byun MR, Kim JH, Kwon D, Pham HTM, Kim HS, Kim JH, Jung YS. Advantages of Using 3D Spheroid Culture Systems in Toxicological and Pharmacological Assessment for Osteogenesis Research. Int J Mol Sci 2024; 25:2512. [PMID: 38473760 DOI: 10.3390/ijms25052512] [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: 01/13/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Bone differentiation is crucial for skeletal development and maintenance. Its dysfunction can cause various pathological conditions such as rickets, osteoporosis, osteogenesis imperfecta, or Paget's disease. Although traditional two-dimensional cell culture systems have contributed significantly to our understanding of bone biology, they fail to replicate the intricate biotic environment of bone tissue. Three-dimensional (3D) spheroid cell cultures have gained widespread popularity for addressing bone defects. This review highlights the advantages of employing 3D culture systems to investigate bone differentiation. It highlights their capacity to mimic the complex in vivo environment and crucial cellular interactions pivotal to bone homeostasis. The exploration of 3D culture models in bone research offers enhanced physiological relevance, improved predictive capabilities, and reduced reliance on animal models, which have contributed to the advancement of safer and more effective strategies for drug development. Studies have highlighted the transformative potential of 3D culture systems for expanding our understanding of bone biology and developing targeted therapeutic interventions for bone-related disorders. This review explores how 3D culture systems have demonstrated promise in unraveling the intricate mechanisms governing bone homeostasis and responses to pharmacological agents.
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Affiliation(s)
- Chawon Yun
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Sou Hyun Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Kyung Mok Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Min Hye Yang
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Mi Ran Byun
- College of Pharmacy, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Joung-Hee Kim
- Department of Medical Beauty Care, Dongguk University Wise, Gyeongju 38066, Republic of Korea
| | - Doyoung Kwon
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Huyen T M Pham
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hyo-Sop Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jae-Ho Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Young-Suk Jung
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
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Dhoundiyal S, Alam MA. Advancements in Biotechnology and Stem Cell Therapies for Breast Cancer Patients. Curr Stem Cell Res Ther 2024; 19:1072-1083. [PMID: 37815191 DOI: 10.2174/011574888x268109230924233850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/09/2023] [Accepted: 08/18/2023] [Indexed: 10/11/2023]
Abstract
This comprehensive review article examines the integration of biotechnology and stem cell therapy in breast cancer diagnosis and treatment. It discusses the use of biotechnological tools such as liquid biopsies, genomic profiling, and imaging technologies for accurate diagnosis and monitoring of treatment response. Stem cell-based approaches, their role in modeling breast cancer progression, and their potential for breast reconstruction post-mastectomy are explored. The review highlights the importance of personalized treatment strategies that combine biotechnological tools and stem cell therapies. Ethical considerations, challenges in clinical translation, and regulatory frameworks are also addressed. The article concludes by emphasizing the potential of integrating biotechnology and stem cell therapy to improve breast cancer outcomes, highlighting the need for continued research and collaboration in this field.
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Affiliation(s)
- Shivang Dhoundiyal
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar
Pradesh, India
| | - Md Aftab Alam
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar
Pradesh, India
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Nuernberg E, Bruch R, Hafner M, Rudolf R, Vitacolonna M. Quantitative Analysis of Whole-Mount Fluorescence-Stained Tumor Spheroids in Phenotypic Drug Screens. Methods Mol Biol 2024; 2764:311-334. [PMID: 38393603 DOI: 10.1007/978-1-0716-3674-9_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
Three-dimensional cell cultures, such as spheroids or organoids, serve as important models for drug screening purposes. Optical tissue clearing (OTC) enhances the visualization of fluorescence stainings and enables in toto microscopy of 3D cell culture models. Furthermore, subsequent automated image analysis tools convert qualitative confocal image sets into quantitative data. In this chapter, we describe a detailed protocol for preparation of HT29 cancer spheroids, 3D in toto immunostaining, glycerol-based OTC, whole-mount imaging, and semi-automated downstream image processing and segmentation for nuclear image analysis using open-source software.
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Affiliation(s)
- Elina Nuernberg
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
- Center for Mass Spectrometry and Optical Spectroscopy (CeMOS), Mannheim University of Applied Sciences, Mannheim, Germany
| | - Roman Bruch
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
- Institute for Automation and Applied Informatics, Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
| | - Mathias Hafner
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
| | - Ruediger Rudolf
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
- Center for Mass Spectrometry and Optical Spectroscopy (CeMOS), Mannheim University of Applied Sciences, Mannheim, Germany
| | - Mario Vitacolonna
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany.
- Center for Mass Spectrometry and Optical Spectroscopy (CeMOS), Mannheim University of Applied Sciences, Mannheim, Germany.
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6
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Bouquerel C, Dubrova A, Hofer I, Phan DTT, Bernheim M, Ladaigue S, Cavaniol C, Maddalo D, Cabel L, Mechta-Grigoriou F, Wilhelm C, Zalcman G, Parrini MC, Descroix S. Bridging the gap between tumor-on-chip and clinics: a systematic review of 15 years of studies. LAB ON A CHIP 2023; 23:3906-3935. [PMID: 37592893 DOI: 10.1039/d3lc00531c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Over the past 15 years, the field of oncology research has witnessed significant progress in the development of new cell culture models, such as tumor-on-chip (ToC) systems. In this comprehensive overview, we present a multidisciplinary perspective by bringing together physicists, biologists, clinicians, and experts from pharmaceutical companies to highlight the current state of ToC research, its unique features, and the challenges it faces. To offer readers a clear and quantitative understanding of the ToC field, we conducted an extensive systematic analysis of more than 300 publications related to ToC from 2005 to 2022. ToC offer key advantages over other in vitro models by enabling precise control over various parameters. These parameters include the properties of the extracellular matrix, mechanical forces exerted on cells, the physico-chemical environment, cell composition, and the architecture of the tumor microenvironment. Such fine control allows ToC to closely replicate the complex microenvironment and interactions within tumors, facilitating the study of cancer progression and therapeutic responses in a highly representative manner. Importantly, by incorporating patient-derived cells or tumor xenografts, ToC models have demonstrated promising results in terms of clinical validation. We also examined the potential of ToC for pharmaceutical industries in which ToC adoption is expected to occur gradually. Looking ahead, given the high failure rate of clinical trials and the increasing emphasis on the 3Rs principles (replacement, reduction, refinement of animal experimentation), ToC models hold immense potential for cancer research. In the next decade, data generated from ToC models could potentially be employed for discovering new therapeutic targets, contributing to regulatory purposes, refining preclinical drug testing and reducing reliance on animal models.
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Affiliation(s)
- Charlotte Bouquerel
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
- Fluigent, 67 avenue de Fontainebleau, 94270, Le Kremlin-Bicêtre, France
| | - Anastasiia Dubrova
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
| | - Isabella Hofer
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
| | - Duc T T Phan
- Biomedicine Design, Pfizer Inc., San Diego, CA, USA
| | - Moencopi Bernheim
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
| | - Ségolène Ladaigue
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
| | - Charles Cavaniol
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
| | - Danilo Maddalo
- Department of Translational Oncology, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Luc Cabel
- Institut Curie, Department of Medical Oncology, 26 rue d'Ulm, 75005, Paris, France
| | - Fatima Mechta-Grigoriou
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
| | - Claire Wilhelm
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
| | - Gérard Zalcman
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
- Université Paris Cité, Thoracic Oncology Department, INSERM CIC1425, Bichat Hospital, Cancer Institute AP-HP. Nord, Paris, France.
| | - Maria Carla Parrini
- Stress and Cancer Laboratory, Inserm, U830, Institut Curie, PSL Research University, 26 rue d'Ulm, 75005, Paris, France
| | - Stéphanie Descroix
- Macromolécules et Microsystèmes en Biologie et Médecine, UMR 168, Institut Curie, Institut Pierre Gilles de Gennes, 6 rue Jean Calvin, 75005, Paris, France
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7
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Ma Y, Deng Y, Hua H, Khoo BL, Chua SL. Distinct bacterial population dynamics and disease dissemination after biofilm dispersal and disassembly. THE ISME JOURNAL 2023:10.1038/s41396-023-01446-5. [PMID: 37270584 DOI: 10.1038/s41396-023-01446-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/05/2023]
Abstract
Microbial communities that form surface-attached biofilms must release and disperse their constituent cells into the environment to colonize fresh sites for continued survival of their species. For pathogens, biofilm dispersal is crucial for microbial transmission from environmental reservoirs to hosts, cross-host transmission, and dissemination of infections across tissues within the host. However, research on biofilm dispersal and its consequences in colonization of fresh sites remain poorly understood. Bacterial cells can depart from biofilms via stimuli-induced dispersal or disassembly due to direct degradation of the biofilm matrix, but the complex heterogeneity of bacterial populations released from biofilms rendered their study difficult. Using a novel 3D-bacterial "biofilm-dispersal-then-recolonization" (BDR) microfluidic model, we demonstrated that Pseudomonas aeruginosa biofilms undergo distinct spatiotemporal dynamics during chemical-induced dispersal (CID) and enzymatic disassembly (EDA), with contrasting consequences in recolonization and disease dissemination. Active CID required bacteria to employ bdlA dispersal gene and flagella to depart from biofilms as single cells at consistent velocities but could not recolonize fresh surfaces. This prevented the disseminated bacteria cells from infecting lung spheroids and Caenorhabditis elegans in on-chip coculture experiments. In contrast, EDA by degradation of a major biofilm exopolysaccharide (Psl) released immotile aggregates at high initial velocities, enabling the bacteria to recolonize fresh surfaces and cause infections in the hosts efficiently. Hence, biofilm dispersal is more complex than previously thought, where bacterial populations adopting distinct behavior after biofilm departure may be the key to survival of bacterial species and dissemination of diseases.
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Affiliation(s)
- Yeping Ma
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - Yanlin Deng
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Haojun Hua
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Bee Luan Khoo
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China.
- Hong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Kowloon, Hong Kong SAR, 999077, China.
- Department of Precision Diagnostic and Therapeutic Technology, City University of Hong Kong Shenzhen-Futian Research Institute, Shenzhen, 518057, China.
| | - Song Lin Chua
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China.
- State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China.
- Shenzhen Key Laboratory of Food Biological Safety Control, Shenzhen, China.
- Research Centre for Deep Space Explorations (RCDSE), The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China.
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8
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Cadena IA, Buchanan MR, Harris CG, Jenne MA, Rochefort WE, Nelson D, Fogg KC. Engineering high throughput screening platforms of cervical cancer. J Biomed Mater Res A 2023; 111:747-764. [PMID: 36861788 DOI: 10.1002/jbm.a.37522] [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: 10/17/2022] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 03/03/2023]
Abstract
Cervical cancer is the second leading cause of cancer-related death in women under 40 and is one of the few cancers to have an increased incidence rate and decreased survival rate over the last 10 years. One in five patients will have recurrent and/or distant metastatic disease and these patients face a 5-year survival rate of less than 17%. Thus, there is a pressing need to develop new anticancer therapeutics for this underserved patient population. However, the development of new anticancer drugs remains a challenge, as only 7% of novel anticancer drugs are approved for clinical use. To facilitate identification of novel and effective anticancer drugs for cervical cancer, we developed a multilayer multicellular platform of human cervical cancer cell lines and primary human microvascular endothelial cells that interfaces with high throughput drug screening methods to evaluate the anti-metastatic and anti-angiogenic drug efficacy simultaneously. Through the use of design of experiments statistical optimization, we identified the specific concentrations of collagen I, fibrinogen, fibronectin, GelMA, and PEGDA in each hydrogel layer that maximized both cervical cancer invasion and endothelial microvessel length. We then validated the optimized platform and assessed its viscoelastic properties. Finally, using this optimized platform, we conducted a targeted drug screen of four clinically relevant drugs on two cervical cancer cell lines. Overall, this work provides a valuable platform that can be used to screen large compound libraries for mechanistic studies, drug discovery, and precision oncology for cervical cancer patients.
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Affiliation(s)
- Ines A Cadena
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
| | - Mina R Buchanan
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
| | - Conor G Harris
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
| | - Molly A Jenne
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
| | - Willie E Rochefort
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
| | - Dylan Nelson
- College of Pharmacy, Oregon State University, Corvallis, Oregon, USA
| | - Kaitlin C Fogg
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA
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9
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Chen X, Kandel ME, He S, Hu C, Lee YJ, Sullivan K, Tracy G, Chung HJ, Kong HJ, Anastasio M, Popescu G. Artificial confocal microscopy for deep label-free imaging. NATURE PHOTONICS 2023; 17:250-258. [PMID: 37143962 PMCID: PMC10153546 DOI: 10.1038/s41566-022-01140-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/01/2022] [Indexed: 05/06/2023]
Abstract
Widefield microscopy of optically thick specimens typically features reduced contrast due to "spatial crosstalk", in which the signal at each point in the field of view is the result of a superposition from neighbouring points that are simultaneously illuminated. In 1955, Marvin Minsky proposed confocal microscopy as a solution to this problem. Today, laser scanning confocal fluorescence microscopy is broadly used due to its high depth resolution and sensitivity, but comes at the price of photobleaching, chemical, and photo-toxicity. Here, we present artificial confocal microscopy (ACM) to achieve confocal-level depth sectioning, sensitivity, and chemical specificity, on unlabeled specimens, nondestructively. We equipped a commercial laser scanning confocal instrument with a quantitative phase imaging module, which provides optical path-length maps of the specimen in the same field of view as the fluorescence channel. Using pairs of phase and fluorescence images, we trained a convolution neural network to translate the former into the latter. The training to infer a new tag is very practical as the input and ground truth data are intrinsically registered, and the data acquisition is automated. The ACM images present significantly stronger depth sectioning than the input (phase) images, enabling us to recover confocal-like tomographic volumes of microspheres, hippocampal neurons in culture, and 3D liver cancer spheroids. By training on nucleus-specific tags, ACM allows for segmenting individual nuclei within dense spheroids for both cell counting and volume measurements. In summary, ACM can provide quantitative, dynamic data, nondestructively from thick samples, while chemical specificity is recovered computationally.
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Affiliation(s)
- Xi Chen
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Currently with School of Applied and Engineering Physics, Cornell University, Ithaca, USA
| | - Mikhail E. Kandel
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Currently with Groq, 400 Castro St., Suite 600, Mountain View, CA 94041, USA
| | - Shenghua He
- Department of Computer Science & Engineering, Washington University in St. Louis, St. Louis, Missouri, 63130, USA
| | - Chenfei Hu
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Young Jae Lee
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Kathryn Sullivan
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Gregory Tracy
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Hee Jung Chung
- Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Hyun Joon Kong
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Mark Anastasio
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Gabriel Popescu
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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Fosse V, Oldoni E, Gerardi C, Banzi R, Fratelli M, Bietrix F, Ussi A, Andreu AL, McCormack E. Evaluating Translational Methods for Personalized Medicine—A Scoping Review. J Pers Med 2022; 12:jpm12071177. [PMID: 35887673 PMCID: PMC9324577 DOI: 10.3390/jpm12071177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/10/2022] [Accepted: 07/16/2022] [Indexed: 12/09/2022] Open
Abstract
The introduction of personalized medicine, through the increasing multi-omics characterization of disease, brings new challenges to disease modeling. The scope of this review was a broad evaluation of the relevance, validity, and predictive value of the current preclinical methodologies applied in stratified medicine approaches. Two case models were chosen: oncology and brain disorders. We conducted a scoping review, following the Joanna Briggs Institute guidelines, and searched PubMed, EMBASE, and relevant databases for reports describing preclinical models applied in personalized medicine approaches. A total of 1292 and 1516 records were identified from the oncology and brain disorders search, respectively. Quantitative and qualitative synthesis was performed on a final total of 63 oncology and 94 brain disorder studies. The complexity of personalized approaches highlights the need for more sophisticated biological systems to assess the integrated mechanisms of response. Despite the progress in developing innovative and complex preclinical model systems, the currently available methods need to be further developed and validated before their potential in personalized medicine endeavors can be realized. More importantly, we identified underlying gaps in preclinical research relating to the relevance of experimental models, quality assessment practices, reporting, regulation, and a gap between preclinical and clinical research. To achieve a broad implementation of predictive translational models in personalized medicine, these fundamental deficits must be addressed.
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Affiliation(s)
- Vibeke Fosse
- Centre for Cancer Biomarkers, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway;
- Correspondence:
| | - Emanuela Oldoni
- EATRIS ERIC, European Infrastructure for Translational Medicine, 1081 HZ Amsterdam, The Netherlands; (E.O.); (F.B.); (A.U.); (A.L.A.)
| | - Chiara Gerardi
- Centre for Health Regulatory Policies, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy; (C.G.); (R.B.)
| | - Rita Banzi
- Centre for Health Regulatory Policies, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy; (C.G.); (R.B.)
| | - Maddalena Fratelli
- Department of Biochemistry and Molecular Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy;
| | - Florence Bietrix
- EATRIS ERIC, European Infrastructure for Translational Medicine, 1081 HZ Amsterdam, The Netherlands; (E.O.); (F.B.); (A.U.); (A.L.A.)
| | - Anton Ussi
- EATRIS ERIC, European Infrastructure for Translational Medicine, 1081 HZ Amsterdam, The Netherlands; (E.O.); (F.B.); (A.U.); (A.L.A.)
| | - Antonio L. Andreu
- EATRIS ERIC, European Infrastructure for Translational Medicine, 1081 HZ Amsterdam, The Netherlands; (E.O.); (F.B.); (A.U.); (A.L.A.)
| | - Emmet McCormack
- Centre for Cancer Biomarkers, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway;
- Centre for Pharmacy, Department of Clinical Science, The University of Bergen, 5021 Bergen, Norway
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11
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Han J, Jeon S, Kim MK, Jeong W, Yoo JJ, Kang HW. In vitrobreast cancer model with patient-specific morphological features for personalized medicine. Biofabrication 2022; 14. [PMID: 35334470 DOI: 10.1088/1758-5090/ac6127] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/25/2022] [Indexed: 11/11/2022]
Abstract
In vitro cancer models that can simulate patient-specific drug responses for personalized medicine have attracted significant attention. However, the technologies used to produce such models can only recapitulate the morphological heterogeneity of human cancer tissue. Here, we developed a novel 3D technique to bioprint an in vitro breast cancer model with patient-specific morphological features. This model can precisely mimic the cellular microstructures of heterogeneous cancer tissues and produce drug responses similar to those of human cancers. We established a bioprinting process for generating cancer cell aggregates with ductal and solid tissue microstructures that reflected the morphology of breast cancer tissues, and applied it to develop breast cancer models. The genotypic and phenotypic characteristics of the ductal and solid cancer aggregates bioprinted with human breast cancer cells (MCF7, SKBR3, MDA-MB-231) were respectively similar to those of early and advanced cancers. The bioprinted solid cancer cell aggregates showed significantly higher hypoxia (>8 times) and mesenchymal (>2-4 times) marker expressions, invasion activity (>15 times), and drug resistance than the bioprinted ductal aggregates. Co-printing the ductal and solid aggregates produced heterogeneous breast cancer tissue models that recapitulated three different stages of breast cancer tissue morphology. The bioprinted cancer tissue models representing advanced cancer were more and less resistant, respectively, to the anthracycline antibiotic doxorubicin and the hypoxia-activated prodrug tirapazamine; these were analogous to the results in human cancer. The present findings showed that cancer cell aggregates can mimic the pathological micromorphology of human breast cancer tissue and they can be bioprinted to produce breast cancer tissue in vitro that can morphologically represent the clinical stage of cancer in individual patients.
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Affiliation(s)
- Jonghyeuk Han
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Ulsan, Ulsan, 44919, Korea (the Republic of)
| | - Seunggyu Jeon
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Ulsan, Ulsan, 44919, Korea (the Republic of)
| | - Min Kyeong Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Ulsan, Ulsan, 44919, Korea (the Republic of)
| | - Wonwoo Jeong
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Ulsan, Ulsan, 44919, Korea (the Republic of)
| | - James J Yoo
- Regenerative Medicine, Wake Forest University, Medical Center Boulevard, NC 27157-1093, USA, Winston-Salem, North Carolina, 27109, UNITED STATES
| | - Hyun-Wook Kang
- School of Life Sciences, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Ulsan, 44919, Korea (the Republic of)
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12
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Optimization of a Tricalcium Phosphate-Based Bone Model Using Cell-Sheet Technology to Simulate Bone Disorders. Processes (Basel) 2022. [DOI: 10.3390/pr10030550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Bone diseases such as osteoporosis, delayed or impaired bone healing, and osteoarthritis still represent a social, financial, and personal burden for affected patients and society. Fully humanized in vitro 3D models of cancellous bone tissue are needed to develop new treatment strategies and meet patient-specific needs. Here, we demonstrate a successful cell-sheet-based process for optimized mesenchymal stromal cell (MSC) seeding on a β-tricalcium phosphate (TCP) scaffold to generate 3D models of cancellous bone tissue. Therefore, we seeded MSCs onto the β-TCP scaffold, induced osteogenic differentiation, and wrapped a single osteogenically induced MSC sheet around the pre-seeded scaffold. Comparing the wrapped with an unwrapped scaffold, we did not detect any differences in cell viability and structural integrity but a higher cell seeding rate with osteoid-like granular structures, an indicator of enhanced calcification. Finally, gene expression analysis showed a reduction in chondrogenic and adipogenic markers, but an increase in osteogenic markers in MSCs seeded on wrapped scaffolds. We conclude from these data that additional wrapping of pre-seeded scaffolds will provide a local niche that enhances osteogenic differentiation while repressing chondrogenic and adipogenic differentiation. This approach will eventually lead to optimized preclinical in vitro 3D models of cancellous bone tissue to develop new treatment strategies.
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13
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Law AMK, Rodriguez de la Fuente L, Grundy TJ, Fang G, Valdes-Mora F, Gallego-Ortega D. Advancements in 3D Cell Culture Systems for Personalizing Anti-Cancer Therapies. Front Oncol 2021; 11:782766. [PMID: 34917509 PMCID: PMC8669727 DOI: 10.3389/fonc.2021.782766] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/11/2021] [Indexed: 01/09/2023] Open
Abstract
Over 90% of potential anti-cancer drug candidates results in translational failures in clinical trials. The main reason for this failure can be attributed to the non-accurate pre-clinical models that are being currently used for drug development and in personalised therapies. To ensure that the assessment of drug efficacy and their mechanism of action have clinical translatability, the complexity of the tumor microenvironment needs to be properly modelled. 3D culture models are emerging as a powerful research tool that recapitulates in vivo characteristics. Technological advancements in this field show promising application in improving drug discovery, pre-clinical validation, and precision medicine. In this review, we discuss the significance of the tumor microenvironment and its impact on therapy success, the current developments of 3D culture, and the opportunities that advancements that in vitro technologies can provide to improve cancer therapeutics.
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Affiliation(s)
- Andrew M K Law
- Tumour Development Group, The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Randwick, NSW, Australia
| | - Laura Rodriguez de la Fuente
- Tumour Development Group, The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Randwick, NSW, Australia.,Cancer Epigenetic Biology and Therapeutics Lab, Children's Cancer Institute, Randwick, NSW, Australia
| | - Thomas J Grundy
- Life Sciences, Inventia Life Science Pty Ltd, Alexandria, NSW, Australia
| | - Guocheng Fang
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, Australia
| | - Fatima Valdes-Mora
- Cancer Epigenetic Biology and Therapeutics Lab, Children's Cancer Institute, Randwick, NSW, Australia.,School of Women's and Children's Health, Faculty of Medicine, University of New South Wales Sydney, Randwick, NSW, Australia
| | - David Gallego-Ortega
- Tumour Development Group, The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Randwick, NSW, Australia.,School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, Australia
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14
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Xu K, Rahmatpanah F, Jia Z. Editorial: Therapeutic Opportunities and Innovative Biomarkers in Tumor Microenvironment. Front Oncol 2021; 11:803414. [PMID: 34917516 PMCID: PMC8669590 DOI: 10.3389/fonc.2021.803414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/11/2021] [Indexed: 11/17/2022] Open
Affiliation(s)
- Kexin Xu
- Department of Molecular Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
- *Correspondence: Kexin Xu,
| | - Farah Rahmatpanah
- Department of Pathology and Laboratory Medicine, University of California, Irvine, Irvine, CA, United States
| | - Zhenyu Jia
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, United States
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15
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Kniebs C, Luengen AE, Guenther D, Cornelissen CG, Schmitz-Rode T, Jockenhoevel S, Thiebes AL. Establishment of a Pre-vascularized 3D Lung Cancer Model in Fibrin Gel-Influence of Hypoxia and Cancer-Specific Therapeutics. Front Bioeng Biotechnol 2021; 9:761846. [PMID: 34722481 PMCID: PMC8551668 DOI: 10.3389/fbioe.2021.761846] [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: 08/20/2021] [Accepted: 09/29/2021] [Indexed: 12/19/2022] Open
Abstract
Lung cancer is the most frequently diagnosed cancer worldwide and the one that causes the highest mortality. In order to understand the disease and to develop new treatments, in vitro human lung cancer model systems which imitate the physiological conditions is of high significance. In this study, a human 3D lung cancer model was established that features the organization of a tumor with focus on tumor angiogenesis. Vascular networks were formed by co-culture of human umbilical vein endothelial cells and adipose tissue-derived mesenchymal stem cells (ASC) for 14 days in fibrin. A part of the pre-vascularized fibrin gel was replaced by fibrin gel containing lung cancer cells (A549) to form tri-cultures. This 3D cancer model system was cultured under different culture conditions and its behaviour after treatment with different concentrations of tumor-specific therapeutics was evaluated. The evaluation was performed by measurement of metabolic activity, viability, quantification of two-photon laser scanning microscopy and measurement of the proangiogenic factor vascular endothelial growth factor in the supernatant. Hypoxic conditions promoted vascularization compared to normoxic cultured controls in co- and tri-cultures as shown by significantly increased vascular structures, longer structures with a higher area and volume, and secretion of vascular endothelial growth factor. Cancer cells also promoted vascularization. Treatment with 50 µM gefitinib or 50 nM paclitaxel decreased the vascularization significantly. VEGF secretion was only reduced after treatment with gefitinib, while in contrast secretion remained constant during medication with paclitaxel. The findings suggest that the herein described 3D lung cancer model provides a novel platform to investigate the angiogenic potential of cancer cells and its responses to therapeutics. Thus, it can serve as a promising approach for the development and patient-specific pre-selection of anticancer treatment.
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Affiliation(s)
- Caroline Kniebs
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany.,Aachen-Maastricht Institute for Biobased Materials, Faculty of Science and Engineering, Maastricht University, Brightlands Chemelot Campus, Geleen, Netherlands
| | - Anja Elisabeth Luengen
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany.,Aachen-Maastricht Institute for Biobased Materials, Faculty of Science and Engineering, Maastricht University, Brightlands Chemelot Campus, Geleen, Netherlands
| | - Daniel Guenther
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany
| | - Christian Gabriel Cornelissen
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany.,Clinic for Pneumology and Internal Intensive Care Medicine (Medical Clinic V), RWTH Aachen University Hospital, Aachen, Germany
| | - Thomas Schmitz-Rode
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany
| | - Stefan Jockenhoevel
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany.,Aachen-Maastricht Institute for Biobased Materials, Faculty of Science and Engineering, Maastricht University, Brightlands Chemelot Campus, Geleen, Netherlands
| | - Anja Lena Thiebes
- Department of Biohybrid and Medical Textiles (BioTex), AME - Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany.,Aachen-Maastricht Institute for Biobased Materials, Faculty of Science and Engineering, Maastricht University, Brightlands Chemelot Campus, Geleen, Netherlands
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16
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Xing F, Liu YC, Huang S, Lyu X, Su SM, Chan UI, Wu PC, Yan Y, Ai N, Li J, Zhao M, Rajendran BK, Liu J, Shao F, Sun H, Choi TK, Zhu W, Luo G, Liu S, Xu DL, Chan KL, Zhao Q, Miao K, Luo KQ, Ge W, Xu X, Wang G, Liu TM, Deng CX. Accelerating precision anti-cancer therapy by time-lapse and label-free 3D tumor slice culture platform. Theranostics 2021; 11:9415-9430. [PMID: 34646378 PMCID: PMC8490519 DOI: 10.7150/thno.59533] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/29/2021] [Indexed: 11/30/2022] Open
Abstract
The feasibility of personalized medicine for cancer treatment is largely hampered by costly, labor-intensive and time-consuming models for drug discovery. Herein, establishing new pre-clinical models to tackle these issues for personalized medicine is urgently demanded. Methods: We established a three-dimensional tumor slice culture (3D-TSC) platform incorporating label-free techniques for time-course experiments to predict anti-cancer drug efficacy and validated the 3D-TSC model by multiphoton fluorescence microscopy, RNA sequence analysis, histochemical and histological analysis. Results: Using time-lapse imaging of the apoptotic reporter sensor C3 (C3), we performed cell-based high-throughput drug screening and shortlisted high-efficacy drugs to screen murine and human 3D-TSCs, which validate effective candidates within 7 days of surgery. Histological and RNA sequence analyses demonstrated that 3D-TSCs accurately preserved immune components of the original tumor, which enables the successful achievement of immune checkpoint blockade assays with antibodies against PD-1 and/or PD-L1. Label-free multiphoton fluorescence imaging revealed that 3D-TSCs exhibit lipofuscin autofluorescence features in the time-course monitoring of drug response and efficacy. Conclusion: This technology accelerates precision anti-cancer therapy by providing a cheap, fast, and easy platform for anti-cancer drug discovery.
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17
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Mechanical Studies of the Third Dimension in Cancer: From 2D to 3D Model. Int J Mol Sci 2021; 22:ijms221810098. [PMID: 34576261 PMCID: PMC8472581 DOI: 10.3390/ijms221810098] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 12/11/2022] Open
Abstract
From the development of self-aggregating, scaffold-free multicellular spheroids to the inclusion of scaffold systems, 3D models have progressively increased in complexity to better mimic native tissues. The inclusion of a third dimension in cancer models allows researchers to zoom out from a significant but limited cancer cell research approach to a wider investigation of the tumor microenvironment. This model can include multiple cell types and many elements from the extracellular matrix (ECM), which provides mechanical support for the tissue, mediates cell-microenvironment interactions, and plays a key role in cancer cell invasion. Both biochemical and biophysical signals from the extracellular space strongly influence cell fate, the epigenetic landscape, and gene expression. Specifically, a detailed mechanistic understanding of tumor cell-ECM interactions, especially during cancer invasion, is lacking. In this review, we focus on the latest achievements in the study of ECM biomechanics and mechanosensing in cancer on 3D scaffold-based and scaffold-free models, focusing on each platform’s level of complexity, up-to-date mechanical tests performed, limitations, and potential for further improvements.
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18
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Shabalina EY, Skorova EY, Chudakova DA, Anikin VB, Reshetov IV, Mynbaev OA, Petersen EV. The matrix-dependent 3D spheroid model of the migration of non-small cell lung cancer: a step towards a rapid automated screening. Front Mol Biosci 2021; 8:610407. [PMID: 34422897 PMCID: PMC8378843 DOI: 10.3389/fmolb.2021.610407] [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: 09/25/2020] [Accepted: 02/11/2021] [Indexed: 12/03/2022] Open
Abstract
In vitro 3D cell culture systems utilizing multicellular tumor spheroids (MCTS) are widely used in translational oncology, including for studying cell migration and in personalized therapy. However, early stages of cellular migration from MCTS and cross-talk between spheroids are overlooked, which was addressed in the current study. Here, we investigated cell migration from MCTS derived from human non-small cell lung cancer (NSCLC) cell line A549 cultured on different substrates, collagen gel or plastic, at different time points. We found that migration starts at 4–16 h time points after the seeding and its speed is substrate-dependent. We also demonstrated that co-culture of two NSCLC-derived MCTS on collagen gel, but not on plastic, facilitates cell migration compared with single MTCS. This finding should be considered when designing MCTS-based functional assays for personalized therapeutic approach and drug screenings. Overall, our work characterizes the in vitro 3D cell culture model resembling NSCLC cell migration from the clusters of CTCs into surgical wound, and describes microscopy-based tools and approaches for image data analysis with a potential for further automation. These tools and approaches also might be used to predict patterns of CTCs migration based on ex vivo analysis of patient biopsy in a 3D culture system.
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Affiliation(s)
- Evgenya Y Shabalina
- Moscow Institute of Physics and Technology, Institutskiy Pereulok, Dolgoprudny, Russia
| | - Ekaterina Yu Skorova
- Moscow Institute of Physics and Technology, Institutskiy Pereulok, Dolgoprudny, Russia
| | - D A Chudakova
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - V B Anikin
- Brunel University London, Uxbridge, United Kingdom.,First Moscow State Medical University, Moscow, Russia
| | - I V Reshetov
- Moscow Institute of Physics and Technology, Institutskiy Pereulok, Dolgoprudny, Russia.,First Moscow State Medical University, Moscow, Russia
| | - O A Mynbaev
- Moscow Institute of Physics and Technology, Institutskiy Pereulok, Dolgoprudny, Russia
| | - E V Petersen
- Moscow Institute of Physics and Technology, Institutskiy Pereulok, Dolgoprudny, Russia
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19
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Mandatori D, Penolazzi L, Pelusi L, Lambertini E, Michelucci F, Porreca A, Cerritelli P, Pipino C, Di Iorio A, Bruni D, Di Nicola M, Buda R, Piva R, Pandolfi A. Three-Dimensional Co-Culture System of Human Osteoblasts and Osteoclast Precursors from Osteoporotic Patients as an Innovative Model to Study the Role of Nutrients: Focus on Vitamin K2. Nutrients 2021; 13:nu13082823. [PMID: 34444982 PMCID: PMC8399348 DOI: 10.3390/nu13082823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/03/2021] [Accepted: 08/14/2021] [Indexed: 01/03/2023] Open
Abstract
Several natural compounds, such as vitamin K2, have been highlighted for their positive effects on bone metabolism. It has been proposed that skeletal disorders, such as osteoporosis, may benefit from vitamin K2-based therapies or its regular intake. However, further studies are needed to better clarify the effects of vitamin K2 in bone disorders. To this aim, we developed in vitro a three-dimensional (3D) cell culture system one step closer to the bone microenvironment based on co-culturing osteoblasts and osteoclasts precursors obtained from bone specimens and peripheral blood of the same osteoporotic patient, respectively. Such a 3-D co-culture system was more informative than the traditional 2-D cell cultures when responsiveness to vitamin K2 was analyzed, paving the way for data interpretation on single patients. Following this approach, the anabolic effects of vitamin K2 on the osteoblast counterpart were found to be correlated with bone turnover markers measured in osteoporotic patients’ sera. Overall, our data suggest that co-cultured osteoblasts and osteoclast precursors from the same osteoporotic patient may be suitable to generate an in vitro 3-D experimental model that potentially reflects the individual’s bone metabolism and may be useful to predict personal responsiveness to nutraceutical or drug molecules designed to positively affect bone health.
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Affiliation(s)
- Domitilla Mandatori
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Letizia Penolazzi
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
| | - Letizia Pelusi
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Elisabetta Lambertini
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
| | - Francesca Michelucci
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Annamaria Porreca
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
| | - Pietro Cerritelli
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Caterina Pipino
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Angelo Di Iorio
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Danilo Bruni
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Marta Di Nicola
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
| | - Roberto Buda
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Roberta Piva
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
- Correspondence: (R.P.); (A.P.); Tel.: +39-0532-974405 (R.P.); +39-0871-541425 (A.P.)
| | - Assunta Pandolfi
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
- Correspondence: (R.P.); (A.P.); Tel.: +39-0532-974405 (R.P.); +39-0871-541425 (A.P.)
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20
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Ulukaya E, Karakas D, Dimas K. Tumor Chemosensitivity Assays Are Helpful for Personalized Cytotoxic Treatments in Cancer Patients. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:636. [PMID: 34205407 PMCID: PMC8234301 DOI: 10.3390/medicina57060636] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023]
Abstract
Tumor chemosensitivity assays (TCAs), also known as drug response assays or individualized tumor response tests, have been gaining attention over the past few decades. Although there have been strong positive correlations between the results of these assays and clinical outcomes, they are still not considered routine tests in the care of cancer patients. The correlations between the assays' results (drug sensitivity or resistance) and the clinical evaluations (e.g., response to treatment, progression-free survival) are highly promising. However, there is still a need to design randomized controlled prospective studies to secure the place of these assays in routine use. One of the best ideas to increase the value of these assays could be the combination of the assay results with the omics technologies (e.g., pharmacogenetics that gives an idea of the possible side effects of the drugs). In the near future, the importance of personalized chemotherapy is expected to dictate the use of these omics technologies. The omics relies on the macromolecules (Deoxyribonucleic acid -DNA-, ribonucleic acid -RNA-) and proteins (meaning the structure) while TCAs operate on living cell populations (meaning the function). Therefore, wise combinations of TCAs and omics could be a highly promising novel landscape in the modern care of cancer patients.
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Affiliation(s)
- Engin Ulukaya
- Department of Clinical Biochemistry, Faculty of Medicine, Istinye University, Istanbul 34010, Turkey
| | - Didem Karakas
- Department of Molecular Biology and Genetics, Faculty of Science and Letters, Istinye University, Istanbul 34010, Turkey;
| | - Konstantinos Dimas
- Department of Pharmacology, Faculty of Medicine, University of Thessaly, 41500 Larissa, Greece;
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Han SJ, Kwon S, Kim KS. Challenges of applying multicellular tumor spheroids in preclinical phase. Cancer Cell Int 2021; 21:152. [PMID: 33663530 PMCID: PMC7934264 DOI: 10.1186/s12935-021-01853-8] [Citation(s) in RCA: 143] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
The three-dimensional (3D) multicellular tumor spheroids (MCTs) model is becoming an essential tool in cancer research as it expresses an intermediate complexity between 2D monolayer models and in vivo solid tumors. MCTs closely resemble in vivo solid tumors in many aspects, such as the heterogeneous architecture, internal gradients of signaling factors, nutrients, and oxygenation. MCTs have growth kinetics similar to those of in vivo tumors, and the cells in spheroid mimic the physical interaction of the tumors, such as cell-to-cell and cell-to-extracellular matrix interactions. These similarities provide great potential for studying the biological properties of tumors and a promising platform for drug screening and therapeutic efficacy evaluation. However, MCTs are not well adopted as preclinical tools for studying tumor behavior and therapeutic efficacy up to now. In this review, we addressed the challenges with MCTs application and discussed various efforts to overcome the challenges.
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Affiliation(s)
- Se Jik Han
- Department of Biomedical Engineering, Graduate School, Kyung Hee University, Seoul, 02447, Korea
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, Seoul, 02447, Korea
| | - Sangwoo Kwon
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, Seoul, 02447, Korea
| | - Kyung Sook Kim
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, Seoul, 02447, Korea.
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Sánchez-Salazar MG, Álvarez MM, Trujillo-de Santiago G. Advances in 3D bioprinting for the biofabrication of tumor models. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.bprint.2020.e00120] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Onbas R, Arslan Yildiz A. Fabrication of Tunable 3D Cellular Structures in High Volume Using Magnetic Levitation Guided Assembly. ACS APPLIED BIO MATERIALS 2021; 4:1794-1802. [PMID: 35014525 DOI: 10.1021/acsabm.0c01523] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Tunable and reproducible size with high circularity is an important limitation to obtain three-dimensional (3D) cellular structures and spheroids in scaffold free tissue engineering approaches. Here, we present a facile methodology based on magnetic levitation (MagLev) to fabricate 3D cellular structures rapidly and easily in high-volume and low magnetic field. In this study, 3D cellular structures were fabricated using magnetic levitation directed assembly where cells are suspended and self-assembled by contactless magnetic manipulation in the presence of a paramagnetic agent. The effect of cell seeding density, culture time, and paramagnetic agent concentration on the formation of 3D cellular structures was evaluated for NIH/3T3 mouse fibroblast cells. In addition, magnetic levitation guided cellular assembly and 3D tumor spheroid formation was examined for five different cancer cell lines: MCF7 (human epithelial breast adenocarcinoma), MDA-MB-231 (human epithelial breast adenocarcinoma), SH-SY5Y (human bone-marrow neuroblastoma), PC-12 (rat adrenal gland pheochromocytoma), and HeLa (human epithelial cervix adenocarcinoma). Moreover, formation of a 3D coculture model was successfully observed by using MDA-MB-231 dsRED and MDA-MB-231 GFP cells. Taken together, these results indicate that the developed MagLev setup provides an easy and efficient way to fabricate 3D cellular structures and may be a feasible alternative to conventional methodologies for cellular/multicellular studies.
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Affiliation(s)
- Rabia Onbas
- Department of Bioengineering, Izmir Institute of Technology (IZTECH), 35430 Izmir, Turkey
| | - Ahu Arslan Yildiz
- Department of Bioengineering, Izmir Institute of Technology (IZTECH), 35430 Izmir, Turkey
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Abstract
PURPOSE OF REVIEW One aim in bone tissue engineering is to develop human cell-based, 3D in vitro bone models to study bone physiology and pathology. Due to the heterogeneity of cells among patients, patient's own cells are needed to be obtained, ideally, from one single cell source. This review attempts to identify the appropriate cell sources for development of such models. RECENT FINDINGS Bone marrow and peripheral blood are considered as suitable sources for extraction of osteoblast/osteocyte and osteoclast progenitor cells. Recent studies on these cell sources have shown no significant differences between isolated progenitor cells. However, various parameters such as medium composition affect the cell's proliferation and differentiation potential which could make the peripheral blood-derived stem cells superior to the ones from bone marrow. Peripheral blood can be considered a suitable source for osteoblast/osteocyte and osteoclast progenitor cells, being less invasive for the patient. However, more investigations are needed focusing on extraction and differentiation of both cell types from the same donor sample of peripheral blood.
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Affiliation(s)
- Sana Ansari
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Sandra Hofmann
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands.
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Chow EKH. The 2020 SLAS Technology Top Ten: Translating Life Sciences Innovation. SLAS Technol 2021; 26:37-41. [PMID: 33482077 DOI: 10.1177/2472630320982580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Petersen EV, Chudakova DA, Skorova EY, Anikin V, Reshetov IV, Mynbaev OA. The Extracellular Matrix-Derived Biomarkers for Diagnosis, Prognosis, and Personalized Therapy of Malignant Tumors. Front Oncol 2020; 10:575569. [PMID: 33425730 PMCID: PMC7793707 DOI: 10.3389/fonc.2020.575569] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 11/10/2020] [Indexed: 01/18/2023] Open
Abstract
The tumor biomarkers already have proven clinical value and have become an integral part in cancer management and modern translational oncology. The tumor tissue microenvironment (TME), which includes extracellular matrix (ECM), signaling molecules, immune and stromal cells, and adjacent non-tumorous tissue, contributes to cancer pathogenesis. Thus, TME-derived biomarkers have many clinical applications. This review is predominately based on the most recent publications (manuscripts published in a last 5 years, or seminal publications published earlier) and fills a gap in the current literature on the cancer biomarkers derived from the TME, with particular attention given to the ECM and products of its processing and degradation, ECM-associated extracellular vesicles (EVs), biomechanical characteristics of ECM, and ECM-derived biomarkers predicting response to the immunotherapy. We discuss the clinical utility of the TME-incorporating three-dimensional in vitro and ex vivo cell culture models for personalized therapy. We conclude that ECM is a critical driver of malignancies and ECM-derived biomarkers should be included in diagnostics and prognostics panels of markers in the clinic.
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Affiliation(s)
- Elena V. Petersen
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Daria A. Chudakova
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Ekaterina Yu. Skorova
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Vladimir Anikin
- Harefield Hospital, The Royal Brompton and Harefield Hospitals NHS Foundation Trust, Harefield, United Kingdom
- Department of Oncology and Reconstructive Surgery, Sechenov Medical University, Moscow, Russia
| | - Igor V. Reshetov
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Department of Oncology and Reconstructive Surgery, Sechenov Medical University, Moscow, Russia
| | - Ospan A. Mynbaev
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
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Boamfa MI, Asselman MJA, Vulders RCM, Verhoef EI, van Royen ME, van der Zaag PJ. Combined transmission, dark field and fluorescence microscopy for intact, 3D tissue analysis of biopsies. JOURNAL OF BIOMEDICAL OPTICS 2020; 25:JBO-200131R. [PMID: 33215476 PMCID: PMC7676494 DOI: 10.1117/1.jbo.25.11.116503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 10/28/2020] [Indexed: 05/03/2023]
Abstract
SIGNIFICANCE Currently, tissue biopsies are sectioned into 3- to 5-μm-thick slices that are used for conventional pathology analysis. Previous work by confocal microscopy and light-sheet microscopy has shown that analyzing biopsies intact in three-dimensions (3D) is possible and may lead to a better understanding of cancer growth patterns. Although accurate, these methods require fluorescent staining of the tissue, in addition to tissue clearing. If the 3D biopsy analysis could be done sufficiently swiftly, this approach may be used for on-site assessment of the adequacy of a biopsy taken. AIM We aim to show that, by transmission microscopy of optically cleared tissue punches, the tissue architecture can be determined without the need for fluorescent staining. APPROACH Transmission microscopy is used by combining bright field microscopy with dark field and epifluorescent microscopy to compare samples that have also been analyzed by fluorescent confocal microscopy. RESULTS With increasing distance to the focal plane, the higher-frequency part of the spatial frequency spectrum of transmitted light is attenuated increasingly. This property is exploited for tissue segmentation, detecting whether tissue is present at a certain position in the focal plane image. Using this approach, we show that a 3D rendering of the internal cavity or tubules structure of punch biopsies, which are up to 1-mm thick, can be acquired in ≈1 min scan time per imaging modality. The images of the overall tissue architecture that are obtained are similar to those from the confocal microscopy benchmark, without requiring fluorescent staining. CONCLUSIONS Images of the overall tissue architecture can be obtained from transmission microcopy; they are similar to those from the confocal microscopy benchmark without requiring fluorescent staining. Tissue clearing is still needed. The total scan time of the present method is significantly shorter at a fraction of the device costs.
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Affiliation(s)
| | | | | | | | - Martin E. van Royen
- Erasmus MC, Department of Pathology, Rotterdam, The Netherlands
- Erasmus MC, Erasmus Optical Imaging Centre, Rotterdam, The Netherlands
| | - Pieter J. van der Zaag
- Philips Research Laboratories, Eindhoven, The Netherlands
- Address all correspondence to Pieter J. van der Zaag,
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Human Colon Organoids and Other Laboratory Strategies to Enhance Patient Treatment Selection. Curr Treat Options Oncol 2020; 21:35. [PMID: 32328818 DOI: 10.1007/s11864-020-00737-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OPINION STATEMENT Though many advancements in personalized medicine have been made, better methods are still needed to predict treatment benefit for patients with colorectal cancer. Patient-derived cancer organoids (PDCOs) are a major advance towards true personalization of treatment strategies. A growing body of literature is demonstrating the feasibility of PDCOs as an accurate and high-throughput preclinical tool for patient treatment selection. Many studies demonstrate that these cultures are readily generated and represent the tumors they were derived from phenotypically and based on their mutation profile. This includes maintenance of the driver muatations giving the cancer cells a selective growth advantage, and also heterogeneity, including molecular and metabolic heterogeneity. Additionally, PDCOs are now being utilized to develop patient biospecimen repositories, perform high to moderate-throughput drug screening, and to potentially predict treatment response for individual patients that are undergoing anti-cancer treatments. In order to develop PDCOs as a true clinical tool, further studies are required to determine the reproducibility and accuracy of these models to predict patient response.
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Arshad U, Sutton PA, Ashford MB, Treacher KE, Liptrott NJ, Rannard SP, Goldring CE, Owen A. Critical considerations for targeting colorectal liver metastases with nanotechnology. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1588. [PMID: 31566913 PMCID: PMC7027529 DOI: 10.1002/wnan.1588] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/16/2019] [Accepted: 08/16/2019] [Indexed: 12/24/2022]
Abstract
Colorectal cancer remains a significant cause of morbidity and mortality worldwide. Half of all patients develop liver metastases, presenting unique challenges for their treatment. The shortcomings of conventional chemotherapy has encouraged the use of nanomedicines; the application of nanotechnology in the diagnosis and treatment of disease. In spite of technological improvements in nanotechnology, the complexity of biological systems hinders the prospect of nanomedicines being applied in cancer therapy at the present time. This review highlights current biological barriers and discusses aspects of tumor biology together with the physicochemical features of the nanocarrier, that need to be considered in order to develop effective nanotherapeutics for colorectal cancer patients with liver metastases. It becomes clear that incorporating an interdisciplinary approach when developing nanomedicines should assure appropriate disease-driven design and that this will form a critical step in improving their clinical translation. This article is characterized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Usman Arshad
- Department of Molecular and Clinical PharmacologyUniversity of LiverpoolLiverpoolUK
| | - Paul A. Sutton
- Department of Molecular and Clinical Cancer MedicineUniversity of LiverpoolLiverpoolUK
| | - Marianne B. Ashford
- AstraZeneca, Advanced Drug Delivery, Pharmaceutical Sciences, R&DMacclesfieldUK
| | - Kevin E. Treacher
- AstraZeneca, Pharmaceutical Technology and DevelopmentMacclesfieldUK
| | - Neill J. Liptrott
- Department of Molecular and Clinical Pharmacology, Materials Innovation FactoryUniversity of LiverpoolLiverpoolUK
| | - Steve P. Rannard
- Department of Chemistry, Materials Innovation FactoryUniversity of LiverpoolLiverpoolUK
| | - Christopher E. Goldring
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical PharmacologyUniversity of LiverpoolLiverpoolUK
| | - Andrew Owen
- Department of Molecular and Clinical Pharmacology, Materials Innovation FactoryUniversity of LiverpoolLiverpoolUK
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Breun M, Martellotta DD, Leberle A, Nietzer S, Baur F, Ernestus RI, Matthies C, Löhr M, Hagemann C. 3D in vitro test system for vestibular schwannoma. J Neurosci Methods 2020; 336:108633. [PMID: 32061689 DOI: 10.1016/j.jneumeth.2020.108633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/05/2020] [Accepted: 02/11/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Maria Breun
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany.
| | - Donato Daniel Martellotta
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
| | - Anna Leberle
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
| | - Sarah Nietzer
- Institute of Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Florentin Baur
- Institute of Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Ralf-Ingo Ernestus
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
| | - Cordula Matthies
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
| | - Mario Löhr
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
| | - Carsten Hagemann
- Department of Neurosurgery, University Hospital Würzburg, Josef-Schneider-Straße 11, 97080 Würzburg, Germany
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31
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Ham J, Lever L, Fox M, Reagan MR. In Vitro 3D Cultures to Reproduce the Bone Marrow Niche. JBMR Plus 2019; 3:e10228. [PMID: 31687654 PMCID: PMC6820578 DOI: 10.1002/jbm4.10228] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/23/2019] [Accepted: 07/29/2019] [Indexed: 12/30/2022] Open
Abstract
Over the past century, the study of biological processes in the human body has progressed from tissue culture on glass plates to complex 3D models of tissues, organs, and body systems. These dynamic 3D systems have allowed for more accurate recapitulation of human physiology and pathology, which has yielded a platform for disease study with a greater capacity to understand pathophysiology and to assess pharmaceutical treatments. Specifically, by increasing the accuracy with which the microenvironments of disease processes are modeled, the clinical manifestation of disease has been more accurately reproduced in vitro. The application of these models is crucial in all realms of medicine, but they find particular utility in diseases related to the complex bone marrow niche. Osteoblast, osteoclasts, bone marrow adipocytes, mesenchymal stem cells, and red and white blood cells represent some of cells that call the bone marrow microenvironment home. During states of malignant marrow disease, neoplastic cells migrate to and join this niche. These cancer cells both exploit and alter the niche to their benefit and to the patient's detriment. Malignant disease of the bone marrow, both primary and secondary, is a significant cause of morbidity and mortality today. Innovative study methods are necessary to improve patient outcomes. In this review, we discuss the evolution of 3D models and compare them to the preceding 2D models. With a specific focus on malignant bone marrow disease, we examine 3D models currently in use, their observed efficacy, and their potential in developing improved treatments and eventual cures. Finally, we comment on the aspects of 3D models that must be critically examined as systems continue to be optimized so that they can exert greater clinical impact in the future. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Justin Ham
- Center for Molecular MedicineMaine Medical Center Research InstituteScarboroughMEUSA,University of New EnglandBiddefordMEUSA
| | - Lauren Lever
- Center for Molecular MedicineMaine Medical Center Research InstituteScarboroughMEUSA,University of New EnglandBiddefordMEUSA
| | - Maura Fox
- University of New EnglandBiddefordMEUSA
| | - Michaela R Reagan
- Center for Molecular MedicineMaine Medical Center Research InstituteScarboroughMEUSA,University of Maine Graduate School of Biomedical Science and EngineeringOronoMEUSA,Sackler School of Graduate Biomedical SciencesTufts UniversityBostonMAUSA
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32
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Polat A, Hassan S, Yildirim I, Oliver LE, Mostafaei M, Kumar S, Maharjan S, Bourguet L, Cao X, Ying G, Eyvazi Hesar M, Zhang YS. A miniaturized optical tomography platform for volumetric imaging of engineered living systems. LAB ON A CHIP 2019; 19:550-561. [PMID: 30657153 PMCID: PMC6391727 DOI: 10.1039/c8lc01190g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Volumetric optical microscopy approaches that enable acquisition of three-dimensional (3D) information from a biological sample are attractive for numerous non-invasive imaging applications. The unprecedented structural details that these techniques provide have helped in our understanding of different aspects of architecture of cells, tissues, and organ systems as they occur in their natural states. Nonetheless, the instrumentation for most of these techniques is sophisticated, bulky, and costly, and is less affordable to most laboratory settings. Several miniature imagers based on webcams or low-cost sensors featuring easy assembly have been reported, for in situ imaging of biological structures at low costs. However, they have not been able to achieve the ability of 3D imaging throughout the entire volumes for spatiotemporal analyses of the structural changes in these specimens. Here we present a miniaturized optical tomography (mini-Opto) platform for low-cost, volumetric characterization of engineered living systems through hardware optimizations as well as applications of an optimized algebraic algorithm for image reconstruction.
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Affiliation(s)
- Adem Polat
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Landsdowne St, Cambridge, MA 02139, USA.
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Afewerki S, Sheikhi A, Kannan S, Ahadian S, Khademhosseini A. Gelatin-polysaccharide composite scaffolds for 3D cell culture and tissue engineering: Towards natural therapeutics. Bioeng Transl Med 2019; 4:96-115. [PMID: 30680322 PMCID: PMC6336672 DOI: 10.1002/btm2.10124] [Citation(s) in RCA: 195] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 11/23/2018] [Accepted: 11/26/2018] [Indexed: 12/12/2022] Open
Abstract
Gelatin is a promising material as scaffold with therapeutic and regenerative characteristics due to its chemical similarities to the extracellular matrix (ECM) in the native tissues, biocompatibility, biodegradability, low antigenicity, cost-effectiveness, abundance, and accessible functional groups that allow facile chemical modifications with other biomaterials or biomolecules. Despite the advantages of gelatin, poor mechanical properties, sensitivity to enzymatic degradation, high viscosity, and reduced solubility in concentrated aqueous media have limited its applications and encouraged the development of gelatin-based composite hydrogels. The drawbacks of gelatin may be surmounted by synergistically combining it with a wide range of polysaccharides. The addition of polysaccharides to gelatin is advantageous in mimicking the ECM, which largely contains proteoglycans or glycoproteins. Moreover, gelatin-polysaccharide biomaterials benefit from mechanical resilience, high stability, low thermal expansion, improved hydrophilicity, biocompatibility, antimicrobial and anti-inflammatory properties, and wound healing potential. Here, we discuss how combining gelatin and polysaccharides provides a promising approach for developing superior therapeutic biomaterials. We review gelatin-polysaccharides scaffolds and their applications in cell culture and tissue engineering, providing an outlook for the future of this family of biomaterials as advanced natural therapeutics.
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Affiliation(s)
- Samson Afewerki
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Dept. of MedicineBrigham and Women's Hospital, Harvard Medical SchoolCambridgeMA 02142
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of TechnologyCambridgeMA 02139
| | - Amir Sheikhi
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Dept. of MedicineBrigham and Women's Hospital, Harvard Medical SchoolCambridgeMA 02142
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of TechnologyCambridgeMA 02139
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California‐Los AngelesLos AngelesCA 90095
- California NanoSystems Institute (CNSI)University of California‐Los AngelesLos AngelesCA 90095
- Dept. of BioengineeringUniversity of California‐Los AngelesLos AngelesCA 90095
| | - Soundarapandian Kannan
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Dept. of MedicineBrigham and Women's Hospital, Harvard Medical SchoolCambridgeMA 02142
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of TechnologyCambridgeMA 02139
- Nanomedicine Division, Dept. of ZoologyPeriyar UniversitySalemTamil NaduIndia
| | - Samad Ahadian
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California‐Los AngelesLos AngelesCA 90095
- California NanoSystems Institute (CNSI)University of California‐Los AngelesLos AngelesCA 90095
- Dept. of BioengineeringUniversity of California‐Los AngelesLos AngelesCA 90095
| | - Ali Khademhosseini
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Dept. of MedicineBrigham and Women's Hospital, Harvard Medical SchoolCambridgeMA 02142
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of TechnologyCambridgeMA 02139
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California‐Los AngelesLos AngelesCA 90095
- California NanoSystems Institute (CNSI)University of California‐Los AngelesLos AngelesCA 90095
- Dept. of BioengineeringUniversity of California‐Los AngelesLos AngelesCA 90095
- Dept. of Radiological Sciences, David Geffen School of MedicineUniversity of California‐Los AngelesLos AngelesCA 90095
- Dept. of Chemical and Biomolecular EngineeringUniversity of California‐Los AngelesLos AngelesCA 90095
- Dept. of Bioindustrial Technologies, College of Animal Bioscience and TechnologyKonkuk UniversitySeoulRepublic of Korea
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Loh KP, Ho D, Chiu GNC, Leong DT, Pastorin G, Chow EKH. Clinical Applications of Carbon Nanomaterials in Diagnostics and Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1802368. [PMID: 30133035 DOI: 10.1002/adma.201802368] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/28/2018] [Indexed: 06/08/2023]
Abstract
Nanomaterials have the potential to improve how patients are clinically treated and diagnosed. While there are a number of nanomaterials that can be used toward improved drug delivery and imaging, how these nanomaterials confer an advantage over other nanomaterials, as well as current clinical approaches is often application or disease specific. How the unique properties of carbon nanomaterials, such as nanodiamonds, carbon nanotubes, carbon nanofibers, graphene, and graphene oxides, make them promising nanomaterials for a wide range of clinical applications are discussed herein, including treating chemoresistant cancer, enhancing magnetic resonance imaging, and improving tissue regeneration and stem cell banking, among others. Additionally, the strategies for further improving drug delivery and imaging by carbon nanomaterials are reviewed, such as inducing endothelial leakiness as well as applying artificial intelligence toward designing optimal nanoparticle-based drug combination delivery. While the clinical application of carbon nanomaterials is still an emerging field of research, there is substantial preclinical evidence of the translational potential of carbon nanomaterials. Early clinically trial studies are highlighted, further supporting the use of carbon nanomaterials in clinical applications for both drug delivery and imaging.
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Affiliation(s)
- Kian Ping Loh
- Department of Chemistry and Centre for Advanced 2D Materials (CA2DM), National University of Singapore, Singapore, 117543, Singapore
| | - Dean Ho
- Department of Biomedical Engineering, National University of Singapore, Singapore, 117583, Singapore
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore
- Singapore Institute for Neurotechnology (SINAPSE), Singapore, 117456, Singapore
- Biomedical Institute for Global Health Research and Technology (BIGHEART), Singapore, 117599, Singapore
| | - Gigi Ngar Chee Chiu
- Department of Pharmacy, National University of Singapore, Singapore, 117543, Singapore
| | - David Tai Leong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Giorgia Pastorin
- Department of Pharmacy, National University of Singapore, Singapore, 117543, Singapore
| | - Edward Kai-Hua Chow
- Cancer Science Institute of Singapore, Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore
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35
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Jensen G, Morrill C, Huang Y. 3D tissue engineering, an emerging technique for pharmaceutical research. Acta Pharm Sin B 2018; 8:756-766. [PMID: 30258764 PMCID: PMC6148716 DOI: 10.1016/j.apsb.2018.03.006] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 03/09/2018] [Accepted: 03/13/2018] [Indexed: 12/12/2022] Open
Abstract
Tissue engineering and the tissue engineering model have shown promise in improving methods of drug delivery, drug action, and drug discovery in pharmaceutical research for the attenuation of the central nervous system inflammatory response. Such inflammation contributes to the lack of regenerative ability of neural cells, as well as the temporary and permanent loss of function associated with neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and traumatic brain injury. This review is focused specifically on the recent advances in the tissue engineering model made by altering scaffold biophysical and biochemical properties for use in the treatment of neurodegenerative diseases. A portion of this article will also be spent on the review of recent progress made in extracellular matrix decellularization as a new and innovative scaffold for disease treatment.
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Affiliation(s)
| | | | - Yu Huang
- Department of Biological Engineering, Utah State University, Logan, UT, 84322, USA
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37
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Abstract
The development of novel nanoparticles consisting of both diagnostic and therapeutic components has increased over the past decade. These "theranostic" nanoparticles have been tailored toward one or more types of imaging modalities and have been developed for optical imaging, magnetic resonance imaging, ultrasound, computed tomography, and nuclear imaging comprising both single-photon computed tomography and positron emission tomography. In this review, we focus on state-of-the-art theranostic nanoparticles that are capable of both delivering therapy and self-reporting/tracking disease through imaging. We discuss challenges and the opportunity to rapidly adjust treatment for individualized medicine.
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Affiliation(s)
- Cristina Zavaleta
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
| | - Dean Ho
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
- Weintraub Center for Reconstructive Biotechnology, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, USA
| | - Eun Ji Chung
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA, USA
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38
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Wang T, Liu J, Nie F. Non-dye cell viability monitoring by using pH-responsive inverse opal hydrogels. J Mater Chem B 2018; 6:1055-1065. [PMID: 32254293 DOI: 10.1039/c7tb02631e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recent advances in the field of drug screening focus on accurate, rapid and high-throughput screening methods. In our work, hydrogel inverse opal photonic crystal microspheres (HPCMs) were fabricated through a templating method and exhibited a robust and reversible response to temperature and pH. The response performance was tested under various temperature (25-55 °C) and pH (1.5-7.5) conditions and the reflective peak shifted noticeably within the visible wavelength range. Furthermore, HPCMs were used as drug delivery carriers and not only displayed high doxorubicin (DOX) drug loading but also presented thermo/pH-induced drug release properties. More importantly, these carriers were shown to be good reporters for monitoring cell viability due to their tunable colour variation. This capability was applied to H460 cell cultures with or without DOX. The structure colour of HPCMs varied in different cell culture microenvironments, and cell apoptosis was able to be distinguished. In this way, this fast, non-dyeing method for reporting cell viability in tumour cytotoxicity assays has potential in the field of drug screening and may give new insights into the use of structural colour to report results in drug screening systems.
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Affiliation(s)
- Tengfei Wang
- Division of Nanobionic Research, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 398 Ruoshui Road, Suzhou, 215123, P. R. China.
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39
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Wang X, Gu M, Toh TB, Abdullah NLB, Chow EKH. Stimuli-Responsive Nanodiamond-Based Biosensor for Enhanced Metastatic Tumor Site Detection. SLAS Technol 2017; 23:44-56. [PMID: 29020497 DOI: 10.1177/2472630317735497] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Metastasis is often critical to cancer progression and linked to poor survival and drug resistance. Early detection of metastasis, as well as identification of metastatic tumor sites, can improve cancer patient survival. Thus, developing technology to improve the detection of cancer metastasis biomarkers can improve both diagnosis and treatment. In this study, we investigated the use of nanodiamonds to develop a stimuli-responsive metastasis detection complex that utilizes matrix metalloproteinase 9 (MMP9) as a metastasis biomarker, as MMP9 increased expression has been shown to be indicative of metastasis. The nanodiamond-MMP9 biosensor complex consists of nanodiamonds functionalized with MMP9-specific fluorescent-labeled substrate peptides. Using this design, protease activity of MMP9 can be accurately measured and correlated to MMP9 expression. The nanodiamond-MMP9 biosensor also demonstrated an enhanced ability to protect the base sensor peptide from nonspecific serum protease cleavage. This enhanced peptide stability, combined with a quantitative stimuli-responsive output function, provides strong evidence for the further development of a nanodiamond-MMP9 biosensor for metastasis site detection. More importantly, this work provides the foundation for use of nanodiamonds as a platform for stimuli-responsive biosensors and theranostic complexes that can be implemented across a wide range of biomedical applications.
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Affiliation(s)
- Xin Wang
- 1 Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Mengjie Gu
- 1 Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Tan Boon Toh
- 2 Cancer Science Institute of Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Nurrul Lissa Binti Abdullah
- 2 Cancer Science Institute of Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Edward Kai-Hua Chow
- 1 Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,2 Cancer Science Institute of Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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40
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Greenman J. Looking to the future of organs-on-chip. Future Sci OA 2017; 3:FSO205. [PMID: 28670479 PMCID: PMC5481857 DOI: 10.4155/fsoa-2017-0040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 03/30/2017] [Indexed: 12/29/2022] Open
Affiliation(s)
- John Greenman
- School of Life Sciences, The University of Hull, Cottingham Road, Hull, HU6 7RX, UK
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41
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Affiliation(s)
- Dean Ho
- Professor of Oral Biology and Medicine, and Bioengineering, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, School of Dentistry and Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, USA
| | - Ali Zarrinpar
- Division of Liver and Pancreas Transplantation, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
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