ArticleFrontiers in immunology2017
Dynamics of Natural Killer Cells Cytotoxicity in Microwell Arrays with Connecting Channels.
Article in Frontiers in immunology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- From single cell analysis to 3D micro physiological systems: microfluidic tools integrating cancer cell targets for delineating natural killer cell biology.Microsystems & nanoengineering · 2026Review
- CellTrap: an instrument-free microfluidic platform for cell-cell interactions at stochastically generated effector-to-target ratios.RSC advances · 2026Article
- Development of attenuated Orf virus as a safe oncolytic viral vector for nasopharyngeal carcinoma treatment.Virology journal · 2025Article
- Article
- An inference model gives insights into innate immune adaptation and repertoire diversity.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- PEGylated Paclitaxel Nanomedicine Meets 3D Confinement: Cytotoxicity and Cell Behaviors.Journal of functional biomaterials · 2023Article
- Optimizing NK-92 serial killers: gamma irradiation, CD95/Fas-ligation, and NK or LAK attack limit cytotoxic efficacy.Journal of translational medicine · 2022Article
- Effects of extracellular adhesion molecules on immune cell mediated solid tumor cell killing.Frontiers in immunology · 2022Article
- Review
- Towards systems tissue engineering: Elucidating the dynamics, spatial coordination, and individual cells driving emergent behaviors.Biomaterials · 2020Review
- Advanced Materials and Devices for the Regulation and Study of NK Cells.International journal of molecular sciences · 2019Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Natural killer (NK) cells serve an important role in immune system by recognizing and killing the potentially malignant cells without antigen sensitization, and could be promising in cancer therapy. We have designed and fabricated microwell arrays with microchannel connections in polydimethylsiloxane (PDMS) substrates to study the interaction dynamics of NK-92MI cells with MCF7 breast cancer cells using time-lapse imaging by fluorescence microscopy for 15 h. Although cell seeding density was the same, NK cell cytotoxicity was found to be higher in larger microwells, which is manifested as increased target death ratio from 13.7 ± 3.1 to 46.3 ± 3.3% and shorter triggering time of first target lysis from 502 ± 49 to 391 ± 63 min in 150 μm × 150 μm microwells comparing to 50 μm × 50 μm wells in 15 h. Mirochannel connection between adjacent microwells of the same size increased the overall target death ratio by >10%, while connection between microwells of different sizes led to significantly increased target death ratio and delayed first target lysis in smaller microwells. Our findings reveal unique cell interaction dynamics, such as initiation and stimulation, of NK cell cytotoxicity in a confined microenvironment, which is different from population-based study, and the results could lead to a better understanding of the dynamics of NK cell cytotoxicity.
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Registered trials
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