Vascularization Dynamics
Vascularization Dynamics - Related Videos
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Intravital Longitudinal Imaging of Vascular Dynamics in the Calvarial Bone Marrow
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Cited by 1 •
2025
Intravital microscopy allows the study of dynamic biological processes such as tissue regeneration and tumor development. The calvarial bone marrow, a highly dynamic tissue, offers insights into hematopoiesis and vascular function. Using a biocompatible 3D-printed head fixation implant allows for repetitive longitudinal imaging, enhancing our understanding of tissue dynamics and the tumor microenvironment.
08:18
Engineered Vascularized Muscle Flap
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Cited by 6 •
2016
To date, thick tissue defects are typically reconstructed by applying autologous tissue flaps or engineered tissues. In this protocol, we present a new method for engineering vascularized tissue flap bearing an autologous pedicle, to serve as a substitute to autologous flaps.
11:10
Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice
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Cited by 3 •
2016
Tools used for visualizing vascular regeneration require methods for contrasting the vascular trees. This film demonstrated a delicate injection technique used to achieve optimal contrasting of the vascular trees and illustrate the potential benefits resulting from a detailed analysis of the resulting specimen using µCT and histological serial sections.
11:35
Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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Cited by 16 •
2010
A dual-mode imaging system was developed for non-contact assessment of cutaneous tissue oxygenation and vascular function.
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Dynamics of Structures
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2023
Source: Roberto Leon, Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA It is rare nowadays that a whole year goes by without a major earthquake event wreaking havoc somewhere around the world. In some cases, like the 2005 Banda Ache earthquake in Indonesia, the damage involved large geographic areas and casualties in the six figures. In general, the number and intensity of earthquakes is not increasing, however, the vulnerability of the built environment is...
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The response begins when tissue demands alter local conditions such as oxygen availability. Signals linked to oxygen and growth factors can activate endothelial cells, prompting migration and proliferation. These cellular changes initiate network expansion, while later maturation helps stabilize newly formed vessels. This sequence connects environmental need with structural adaptation and helps explain how perfusion can change over time.
Branching and regression are complementary parts of network remodeling. Branching can expand coverage as tissue requirements increase, whereas regression can remove vessels that are no longer needed. Maturation then influences the stability of the remaining network. Considering these processes together explains why vascular architecture changes rather than simply increasing continuously during tissue development or repair.
Forming vessels does not by itself guarantee adequate tissue perfusion. After network growth, blood flow can be adjusted as tissue demands and oxygen conditions change. Signals that regulate endothelial behavior contribute to this ongoing adaptation, while vessel maturation, branching, and regression reshape the available pathways. The resulting coordination links vessel structure with the functional delivery of blood over time.
Assessment should address both vascular growth and vascular function. Growth measurements can indicate whether networks expand, branch, mature, or regress, while functional measurements can show whether blood flow and perfusion adjust appropriately. Examining both dimensions is important because structural change alone may not reveal how effectively a developing network meets tissue demands.
In wound healing, vascular changes help explain how developing tissue responds to changing demands and restores blood supply. In ischemic disease, the same framework supports analysis of inadequate perfusion and the processes that may alter it. Studying network growth together with function can therefore inform disease modeling, therapeutic design, and strategies aimed at improving tissue repair.
Tumor progression and engineered tissue development present different medical contexts in which vascular behavior is consequential. In tumors, changing vessel networks are part of understanding disease progression. In engineered tissues, vascular growth and perfusion are relevant to tissue development and graft integration. Measuring these dynamics can guide disease models and approaches designed to support functional tissue repair.