Five days after plug implantation, mice were euthanized by CO2 asphyxiation for Matrigel plug excision. For ex vivo live-cell imaging, Matrigel plugs were labeled by MitoTracker Red CMXRos and Hoechst 33342. Then they were placed in the micro-incubator system on the confocal microscope for further observation. MitoTracker images were collected at 561 nm excitation, and Hoechst images were collected at 405 nm excitation. For immunofluorescence staining, Matrigel plugs were OCT-embedded and sectioned for further examination.
Matrigel
Matrigel is a solubilized basement membrane preparation extracted from the Engelbreth-Holm-Swarm (EHS) mouse sarcoma, a tumor rich in extracellular matrix proteins. It is widely used as a substrate for the in vitro cultivation of cells, particularly those that require a more physiologically relevant microenvironment for growth and differentiation.
Lab products found in correlation
17 210 protocols using matrigel
Macrophage Activation in Matrigel Plugs
Five days after plug implantation, mice were euthanized by CO2 asphyxiation for Matrigel plug excision. For ex vivo live-cell imaging, Matrigel plugs were labeled by MitoTracker Red CMXRos and Hoechst 33342. Then they were placed in the micro-incubator system on the confocal microscope for further observation. MitoTracker images were collected at 561 nm excitation, and Hoechst images were collected at 405 nm excitation. For immunofluorescence staining, Matrigel plugs were OCT-embedded and sectioned for further examination.
Angiogenic Potential of hASC-Conditioned Media
Oncosphere Formation of Lung Epithelial Cells
Transplantation of Neural Spheroids
Endothelial Cell Tube Formation Assay
Transwell Assay for Cell Migration and Invasion
For cell invasion analysis, Matrigel (356,234, BD Bioscience) was diluted (1:10) in serum-free DMEM and diluted Matrigel (100 μL) was added to the apical chamber of the Transwell and incubated for more than 30 min. Then 2 × 105 transfected cells were then seeded into the apical chamber coated with Matrigel.
The basolateral chambers were both spiked with DMEM containing 10% FBS (600 μL) and then incubated at 37 °C in an incubator for 24 h. Cells were then fixed with 4% paraformaldehyde for 15 min and stained with crystal violet (0.1%) for 15 min. The stained positive cells were then observed using an inverted light microscope (CarlZeiss, Germany) and photographed for imaging, with ImageJ software used for positive cell counting.
Cell Invasion and Migration Assay
Myocardial Infarction and Cell Therapy
Transwell Invasion and Migration Assay
Biosciences, San Jose, USA) were used to conduct invasion (with Matrigel) and migration
(without Matrigel) experiments, respectively. The cells (2×10 5) cultured in CM
or MR medium were added to the upper chamber. The lower chamber was filled with RPMI-1640
medium (Gibco) containing 10% fetal calf serum (Gibco). The culture system was incubated
in an incubator for 24 h, the upper layer of the medium was removed, and the Transwell
membrane was completely immersed in methanol after washing with phosphate-buffered saline
(PBS) and fixed at room temperature for half an hour. Subsequently, the methanol was
discarded, and the chambers were stained with crystal violet (Zhongshan Bio, Beijing,
China) for 15 min. Finally, the stained chambers were placed under a confocal fluorescence
microscope (Leica, Wetzlar, Germany), and 5 fields were randomly selected to count the
number of penetrating cells in the lower layer.
Matrigel-Coated Cell Invasion Assay
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