Endothelial Cell Sprouting
Endothelial Cell Sprouting - Related Videos
04:08
Bead Sprouting Assay for Early-Stage Angiogenesis Assessment: An In Vitro Bead-Based Model to Study Endothelial Sprouting in the Presence of Pericytes
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2025
This video demonstrates a modified microcarrier beads-based assay incorporating pericytes to study endothelial sprouting during the early stages of angiogenesis. The assay provides an in vitro experimental model to understand molecular mechanisms of angiogenesis and the effect of anti-angiogenetic therapeutics.
06:21
Incorporating Pericytes into an Endothelial Cell Bead Sprouting Assay
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Cited by 4 •
2018
This protocol presents a novel in vitro bead assay that more appropriately models the process of in vivo sprouting angiogenesis by incorporating pericytes. This modification enables the bead assay to more faithfully recapitulate the heterotypic cellular interactions between endothelial cells and mural cells that are critical for angiogenesis.
03:48
Choroid Sprouting Assay to Study Ocular Microvascular Proliferation Ex Vivo
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2025
This video demonstrates the development of an ex vivo model of choroidal sprouting to study ocular microvascular angiogenesis. The assay involves culturing mouse eye explants containing the choroid tissue attached to the sclera and retinal pigment epithelium under specific conditions that promote choroidal microvascular sprouting.
08:20
Isolation and Primary Culture of Mouse Aortic Endothelial Cells
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Cited by 75 •
2016
The vascular endothelial cells play a significant role in many important cardiovascular disorders. This article describes a simple method to isolate and expand endothelial cells from the mouse aorta without using any special equipment. Our protocol provides an effective means of identifying mechanisms in endothelial cell physiopathology.
11:04
Isolation of Valvular Endothelial Cells
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Cited by 82 •
2010
We provide a method for isolating and culturing pure populations of heart valve endothelial cells (VEC). VEC can be isolated from either side of the cusp or leaflet and immediately following, underlying interstitial cell (VIC) isolation is straightforward.
FAQs
Sprouting depends on a coordinated transition from stable vessel structure to directed growth. Signals such as vascular endothelial growth factor promote junctional loosening, extracellular-matrix degradation, and migration toward the stimulus. These events must occur in sequence so endothelial cells can leave the parent vessel, advance through tissue, and initiate a new branch.
Tip and stalk cells divide the labor of nascent vessel formation. Tip cells lead movement and respond to the directional stimulus, whereas stalk cells follow, proliferate, and contribute to the developing lumen. This arrangement couples guidance with cell production, allowing a sprout to extend while also acquiring the organization needed for a vessel.
Matrix remodeling creates a route through surrounding tissue as endothelial cells move away from the existing vessel. Loosening endothelial junctions simultaneously permits cells to reorganize at the vessel boundary. Studying both changes helps connect the external tissue environment with cellular behaviors that influence branch formation and the subsequent organization of the nascent vessel.
Three-dimensional culture and ex vivo tissue assays provide complementary settings for examining vascular behavior. Both can be used to measure vessel formation and remodeling, while the surrounding experimental context differs between a culture model and a tissue-based assay. Comparing these approaches can show whether findings are consistent across model systems.
Researchers can examine the process in three-dimensional culture or in ex vivo tissue assays, then assess vessel formation and remodeling. The selected model determines whether sprouting is analyzed in a three-dimensional culture setting or within ex vivo tissue. These measurements provide a basis for comparing vascular growth and structural changes under defined experimental conditions.
In biology, the process connects vascular growth with tissue development and repair, while also contributing to disease progression. Its study is relevant when researchers ask how tissues acquire or restore blood supply, or how vascular changes accompany pathology. The same framework supports investigations of cancer, ischemic disease, inflammation, and tissue engineering.
Because these assays generate measurable outcomes related to vessel formation and remodeling, they can support evaluation of therapies in vascular disease and tissue engineering contexts. The overview identifies applications involving cancer, ischemic disease, inflammation, and tissue engineering. Results from these models connect cellular sprouting behavior with questions about treatment and engineered tissue development.