Related Experiment Video
Updated: May 7, 2026
09:19
In Vitro Microfluidic Disease Model to Study Whole Blood-Endothelial Interactions and Blood Clot Dynamics in Real-Time
Published on: May 24, 2020
9.7K
Snake bites and hemostasis/thrombosis
Ryan J R McCleary1, R Manjunatha Kini
1Protein Science Laboratory, Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore 117543.
Thrombosis Research
|October 16, 2013
Summary
Snake venom toxins target hemostasis and thrombosis, offering potential for novel cardiovascular therapeutics and diagnostic agents due to their specific molecular interactions.
Area of Science:
- Biochemistry
- Pharmacology
- Toxicology
Background:
- Snake venom toxins are proteins that affect prey physiology, particularly hemostasis and thrombosis.
- These toxins exhibit high specificity towards vertebrate molecular targets.
Purpose of the Study:
- To explore the potential of snake venom toxins as sources for novel cardiovascular therapeutics and diagnostic agents.
- To highlight the utility of these toxins in physiological studies and disease diagnosis.
Main Methods:
- Review of existing literature on snake venom toxins and their mechanisms of action.
- Analysis of the diverse protein families involved in venom composition.
- Assessment of the specificity of toxins towards coagulation and platelet aggregation pathways.
Main Results:
- Snake venom toxins can initiate or inhibit various stages of coagulation and platelet aggregation.
- The specificity of these toxins makes them valuable tools for diagnostics and research.
- Undiscovered toxins in uncharacterized venoms represent a significant source for new drug discovery.
Conclusions:
- Snake venom toxins possess significant potential for developing new cardiovascular drugs and diagnostic tools.
- Further research into uncharacterized venoms can yield novel therapeutic agents.
- The unique molecular interactions of venom toxins are highly valuable in biomedical applications.
Related Concept Videos
01:05Introduction to Hemostasis
14.5K
Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
14.5K
01:30Venous Thrombosis I: Introduction
834
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...
834
01:24Disorders of Hemostasis
2.8K
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
2.8K
01:20Extrinsic and Intrinsic Pathways of Hemostasis
11.1K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
11.1K
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
2.6K
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...
2.6K
01:29Hemorrhagic Stroke ll: Pathophysiology
57
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
57