Related Experiment Video
Updated: Jul 21, 2025
08:43
Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
19.6K
Thrombospondin-1 in vascular development, vascular function, and vascular disease
Bo Liu1, Huan Yang1, Yong-Seok Song2
1Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA.
Seminars in Cell & Developmental Biology
|July 28, 2023
Summary
Thrombospondin-1 (TSP1) is a key angiogenesis inhibitor. This review explores TSP1's role in ocular vascular health and disease, highlighting its therapeutic potential.
Area of Science:
- Biomedical Science
- Molecular Biology
- Pathology
Background:
- Angiogenesis, the formation of new blood vessels, is crucial for development and repair but can be dysregulated in diseases.
- An imbalance between pro-angiogenic and anti-angiogenic factors drives pathological neovascularization.
- Thrombospondin-1 (TSP1) is a well-characterized endogenous inhibitor of angiogenesis with anti-inflammatory properties.
Purpose of the Study:
- To review recent research on the role of TSP1 in ocular vascular development and homeostasis.
- To discuss the involvement of TSP1 in the pathophysiology of ocular and vascular diseases.
- To highlight the clinical relevance of TSP1 in human health.
Main Methods:
- Literature review of recent studies on TSP1.
- Analysis of TSP1's function in ocular vascular biology.
- Examination of TSP1's role in disease pathogenesis.
Main Results:
- TSP1 plays a significant role in regulating ocular vascular development and maintaining tissue homeostasis.
- Dysregulation of TSP1 contributes to the pathogenesis of various ocular and vascular diseases.
- TSP1 exhibits therapeutic potential for treating angiogenesis-dependent disorders.
Conclusions:
- TSP1 is a critical regulator of vascular health in the eye.
- Understanding TSP1's mechanisms is vital for developing treatments for ocular and vascular diseases.
- Further research into TSP1 could lead to significant clinical advancements.
Keywords:
Abdominal aortic aneurysmAngiogenesisCell adhesionCell migrationExtra cellular matrixOcular neovascularizationVascular cellsMore Related Videos
11:38Visualization and Quantification of TGFβ/BMP/SMAD Signaling under Different Fluid Shear Stress Conditions using Proximity-Ligation-Assay
Published on: September 14, 2021
3.4K
09:19In Vitro Microfluidic Disease Model to Study Whole Blood-Endothelial Interactions and Blood Clot Dynamics in Real-Time
Published on: May 24, 2020
9.0K
Related Concept Videos
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
755
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
755
01:30Venous Thrombosis I: Introduction
13
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
13
01:16Clot Retraction and Fibrinolysis
6.5K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
6.5K
01:16Vascular Spasm
1.5K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
1.5K
01:24Regulation of Angiogenesis and Blood Supply
2.6K
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...
2.6K
01:17Intracellular Signaling Affects Focal Adhesions
2.7K
Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Some...
2.7K