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Related Concept Videos

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...
Development of Blood Vessels01:07

Development of Blood Vessels

The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...

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Related Experiment Video

Updated: Jun 25, 2026

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber
09:55

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber

Published on: May 30, 2016

Angiogenesis as a therapeutic target.

Napoleone Ferrara1, Robert S Kerbel

  • 1Genentech, 1 DNA Way, South San Francisco, California 94080, USA. nf@gene.com

Nature
|December 16, 2005
PubMed
Summary

Inhibiting angiogenesis offers a promising cancer and age-related macular degeneration treatment. Further understanding of vascular morphogenesis is crucial for advancing therapeutic angiogenesis in cardiovascular medicine.

Area of Science:

  • Biomedical science
  • Cardiovascular medicine
  • Oncology

Background:

  • Angiogenesis, the formation of new blood vessels, is a critical process in both physiological and pathological conditions.
  • Inhibiting angiogenesis is a validated therapeutic strategy for cancers and age-related macular degeneration.
  • Therapeutic angiogenesis aims to promote blood vessel growth for treating ischemic disorders.

Purpose of the Study:

  • To summarize the progress in anti-angiogenic therapies.
  • To highlight the potential of therapeutic angiogenesis.
  • To identify the need for further research into vascular morphogenesis.

Main Methods:

  • Review of recent advancements in anti-angiogenic drug development.
  • Analysis of approved anti-angiogenic agents.

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Simple and Effective Procedure for Hemostasis in Mouse Arteries

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Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber
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  • Discussion of the mechanisms underlying vascular morphogenesis.
  • Main Results:

    • Significant progress has been made in developing anti-angiogenic treatments.
    • Several anti-angiogenic agents have received regulatory approval.
    • Understanding vascular morphogenesis is key to developing new therapies.

    Conclusions:

    • Inhibiting angiogenesis is a successful strategy for treating specific diseases.
    • Therapeutic angiogenesis presents a promising future for cardiovascular medicine.
    • Continued research into the fundamental mechanisms of blood vessel formation is essential.