Microvascular Proliferation
Microvascular Proliferation - Related Videos
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.
06:54
An Ex Vivo Method for Time-Lapse Imaging of Cultured Rat Mesenteric Microvascular Networks
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Cited by 18 •
2017
Angiogenesis involves multi-cell, multi-system interactions that need to be investigated in a physiologically relevant environment. The objective of this study is to demonstrate the ability of the rat mesentery culture model to make time-lapse comparisons of intact microvascular networks during angiogenesis.
02:23
Abnormal Proliferation
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2021
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
02:23
Abnormal Proliferation
0 Views •
2023
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
03:15
Differentiating Human-Induced Pluripotent Stem Cells into Brain Microvascular Endothelial Cells
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2025
This video demonstrates a multi-step process for differentiating human iPSCs into brain microvascular endothelial cells. The resulting differentiated cells closely mimic brain microvascular endothelial cells, characterized by tight junctions, making them ideal for research on brain diseases.
FAQs
Angiogenic signals activate endothelial cells and coordinate several linked events rather than producing vessel growth at once. The cells first degrade the vascular basement membrane, then migrate into nearby tissue, proliferate, and organize into capillary sprouts. This sequence allows new vessel structures to extend toward areas where increased blood supply may be needed.
Basement membrane degradation creates a pathway through which activated endothelial cells can leave the existing vessel structure and enter surrounding tissue. Without this step, migration and subsequent sprout formation would be restricted. Its occurrence therefore marks an early structural change that connects endothelial activation with the later organization of new capillaries.
Growing or changing tissue may require additional oxygen and nutrients, creating a biological context in which angiogenic signaling and endothelial activity become important. This relationship is relevant in repair, inflammation, and tumor development. The degree of endothelial activity can consequently reflect how strongly tissue remodeling or expansion is affecting local blood-supply requirements.
Assessment can focus on vessel density and endothelial activity, two measurements that describe both the amount of microvascular development and the behavior of the cells forming vessels. Comparing these measurements across tissues or experimental conditions helps investigators characterize biological activity, tissue remodeling, and changes associated with disease progression.
Vessel-density measurements provide an indicator of vascular change during tissue repair and inflammatory responses. Increased or altered density can be considered alongside endothelial activity to evaluate how tissue remodeling is progressing. These measurements help characterize biological activity without relying solely on visible changes in the tissue itself.
Researchers can compare vessel density and endothelial activity before and after anti-angiogenic treatment to determine whether vascular development has changed. A reduction or other shift in these measures may indicate an altered response in the tissue. This approach supports studies of treatment effects while linking the observed outcome to vessel formation and endothelial behavior.