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Related Concept Videos

Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Mechanism of Angiogenesis01:10

Mechanism of Angiogenesis

Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...
Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Healing I: Introduction01:11

Healing I: Introduction

Healing is the physiological process by which the body restores the integrity and function of damaged tissues following injury. It involves a coordinated interplay of cellular proliferation, extracellular matrix remodeling, and growth factor signaling. The extent and nature of the tissue damage determine whether healing occurs by resolution, regeneration, or replacement.ResolutionResolution represents the most complete form of healing, occurring when the injury is minimal and tissue...

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Related Experiment Video

Updated: May 12, 2026

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro
10:04

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro

Published on: September 18, 2017

Basic and therapeutic aspects of angiogenesis.

Michael Potente1, Holger Gerhardt, Peter Carmeliet

  • 1Vascular Epigenetics Group, Institute for Cardiovascular Regeneration, Center of Molecular Medicine, Goethe University, D-60590 Frankfurt, Germany.

Cell
|September 20, 2011
PubMed
Summary

Understanding how blood vessels grow is key to treating diseases like cancer. New insights into endothelial cell communication offer novel therapeutic strategies for vascular growth disorders.

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Investigating Angiogenesis on a Functional and Molecular Level by Leveraging the Scratch Wound Migration Assay and the Spheroid Sprouting Assay
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Investigating Angiogenesis on a Functional and Molecular Level by Leveraging the Scratch Wound Migration Assay and the Spheroid Sprouting Assay

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Related Experiment Videos

Last Updated: May 12, 2026

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro
10:04

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro

Published on: September 18, 2017

Modified In Vivo Matrix Gel Plug Assay for Angiogenesis Studies
09:03

Modified In Vivo Matrix Gel Plug Assay for Angiogenesis Studies

Published on: June 30, 2023

Investigating Angiogenesis on a Functional and Molecular Level by Leveraging the Scratch Wound Migration Assay and the Spheroid Sprouting Assay
09:16

Investigating Angiogenesis on a Functional and Molecular Level by Leveraging the Scratch Wound Migration Assay and the Spheroid Sprouting Assay

Published on: May 31, 2024

Area of Science:

  • Vascular biology and angiogenesis research.

Background:

  • Blood vessels are essential for tissue health, but abnormal growth is implicated in diseases like cancer and inflammatory conditions.
  • Current anti-angiogenic therapies face challenges with efficacy and resistance.
  • Endothelial cell communication and environmental interactions are critical for vascular network formation.

Purpose of the Study:

  • To explore emerging principles of vascular growth.
  • To identify new therapeutic perspectives for vascular diseases.

Main Methods:

  • Review of recent insights into endothelial cell communication.
  • Analysis of principles governing vascular network formation.

Main Results:

  • Established mechanisms of endothelial cell-to-cell and cell-environment communication in vascular development.
  • Identified emerging principles of vascular network formation.

Conclusions:

  • New understanding of vascular growth mechanisms offers potential to overcome limitations in current pro- and anti-angiogenic therapies.
  • Translational research in vascular biology may lead to improved treatments for angiogenesis-related diseases.