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Related Concept Videos

Proteomics01:33

Proteomics

8.5K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

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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...
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Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

10.0K
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...
10.0K
Introduction to Hemostasis01:05

Introduction to Hemostasis

9.8K
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,...
9.8K
Disorders of Hemostasis01:24

Disorders of Hemostasis

1.3K
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.
1.3K
Clot Retraction and Fibrinolysis01:16

Clot Retraction and Fibrinolysis

7.4K
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.
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Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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Proteomics in Thrombosis and Hemostasis.

Natasha Letunica1, Suelyn Van Den Helm1, Conor McCafferty1,2

  • 1Department of Haematology, Murdoch Children's Research Institute, Melbourne, Australia.

Thrombosis and Haemostasis
|November 9, 2021
PubMed
Summary

Proteomics advances have enhanced the identification of novel clinical markers for thrombosis and hemostasis research. This review covers key applications and considerations in platelet function, clot composition, stroke, and venous thromboembolism.

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Area of Science:

  • Proteomics and its application in biomedical research.
  • Biochemistry and molecular biology of proteins.

Background:

  • Proteomics offers innovative approaches for identifying disease markers and understanding pathophysiological mechanisms.
  • Technological advancements have increased proteomics use in thrombosis and hemostasis research.
  • Proteomics investigates protein abundance changes related to disease, treatment response, and aging.

Purpose of the Study:

  • To review the application of proteomics in thrombosis and hemostasis research from 2010-2020.
  • To identify novel clinical markers for bleeding and thrombosis.
  • To explore key considerations for conducting proteomic studies in this field.

Main Methods:

  • Review of scientific literature on proteomics in thrombosis and hemostasis (2010-2020).
  • Analysis of proteomic applications across five key domains: platelets, blood clot composition, stroke, venous thromboembolism, and therapeutics.

Main Results:

  • Proteomics has significantly contributed to identifying potential biomarkers in thrombosis and hemostasis.
  • Key research areas include platelet biology, clot structure-function, and disease-specific proteomic signatures.
  • Advancements facilitate deeper understanding of bleeding and thrombotic disorders.

Conclusions:

  • Proteomics is a valuable tool for advancing thrombosis and hemostasis research.
  • Continued technological development will further enhance biomarker discovery and therapeutic strategies.
  • Careful study design is crucial for robust proteomic findings in hemostasis and thrombosis.