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Establishing a physiological microenvironment in vitro that is suitable for cell and tissue growth is essential for medical research. Microfluidic chips are widely used in the construction of a microenvironment and the analysis of cell behavior in vitro; however, the design and manufacture of microfluidic chips for the long-term culture of a tumor model tends to be highly complex and time-consuming. In this paper, we propose a method for the rapid fabrication of a microfluidic chip for multi-dimensional cell co-culture. A major advantage of this method is that the microfluidic chip can be divided into several sections by micro-pillar arrays to form different functional regions to grow two-and three-dimensional cell culture on the same matrix. At the micro-scale, the surface tension between the gelatin methacryloyl-encapsulated cells and micro-pillars prevents the leakage of the hydrogel, and the hydrogel provides a three-dimensional microenvironment for cell growth. Our results of long-term cell culture and preclinical drug screening showed that cells cultured in a two-dimensional monolayer differ from three-dimensional cultured cells in terms of morphology, area, survival rate, proliferation, and drug resistance. This method shows potential for use in the study of cell behavior, drug screening, and tissue engineering.
This article was published in the following journal.
Name: IEEE transactions on nanobioscience
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A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or all of the histological features of the tissue in vivo. (Freshney, Culture of Animal Cells, 3d ed, p1)
In tissue culture, hairlike projections of neurons stimulated by growth factors and other molecules. These projections may go on to form a branched tree of dendrites or a single axon or they may be reabsorbed at a later stage of development. "Neurite" may refer to any filamentous or pointed outgrowth of an embryonal or tissue-culture neural cell.
An Act that amends Title XVIII of the Social Security Act to repeal the Medicare sustainable growth rate, that strengthens Medicare access by improving physician payments, and that reauthorizes the Children's Health Insurance Program (CHIP).
Spherical, heterogeneous aggregates of proliferating, quiescent, and necrotic cells in culture that retain three-dimensional architecture and tissue-specific functions. The ability to form spheroids is a characteristic trait of CULTURED TUMOR CELLS derived from solid TUMORS. Cells from normal tissues can also form spheroids. They represent an in-vitro model for studies of the biology of both normal and malignant cells. (From Bjerkvig, Spheroid Culture in Cancer Research, 1992, p4)
The development of anatomical structures to create the form of a single- or multi-cell organism. Morphogenesis provides form changes of a part, parts, or the whole organism.
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