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Fibronectin

Includes 1 test
Blood
1 Day
20€

Fibronectin is a high-molecular-weight glycoprotein that plays a crucial role in various physiological processes within the human body. It is found in the extracellular matrix, a structural framework that supports the cells and tissues, and it is involved in various cellular functions.

Fibronectin is a large glycoprotein composed of two similar subunits known as monomers. These monomers are joined together by disulfide bonds to form a dimeric structure. Fibronectin is produced in various forms through alternative splicing of its pre-mRNA. This results in different isoforms of fibronectin with variations in their structure and functions.

Fibronectin is a multifunctional glycoprotein with diverse roles in cell adhesion, tissue repair, embryonic development, and various physiological processes. Its significance in health and disease makes it an important subject of research in the fields of cell biology, biochemistry, and medicine.

Cell Adhesion: One of the primary functions of fibronectin is to facilitate cell adhesion. It acts as a bridge between cells and the extracellular matrix, allowing cells to anchor to and move across the matrix. This is essential in processes such as tissue repair and embryonic development.

Wound Healing: Fibronectin plays a significant role in wound healing. During tissue repair, fibronectin helps cells migrate to the wound site, adhere to the extracellular matrix, and participate in the formation of new tissue.

Embryonic Development: It is critical for embryonic development, helping cells move and differentiate as they form various tissues and organs.

Blood Clot Formation: Fibronectin is involved in blood clotting by promoting platelet aggregation and aiding in the formation of a stable clot at the site of an injury.

Cancer Metastasis: Changes in fibronectin expression and structure can contribute to cancer metastasis. It is associated with the ability of cancer cells to migrate and invade surrounding tissues.

Immune Response: Fibronectin is also involved in the immune response by facilitating the migration of immune cells to sites of infection or inflammation.

Fibronectin can serve as a biomarker in various clinical and research contexts due to its presence in blood and other bodily fluids. Monitoring fibronectin levels can provide valuable information about certain health conditions and disease processes.

  • Wound Healing and Tissue Repair: Elevated levels of fibronectin in wound exudate or serum can indicate ongoing tissue repair and wound healing. Monitoring fibronectin levels can be valuable in assessing the progress of wound healing in clinical settings.
  • Cancer and Metastasis: Changes in fibronectin expression and structure are associated with cancer metastasis. Elevated levels of fibronectin or specific fibronectin isoforms in the blood or tissues can be indicative of cancer progression, and they may serve as biomarkers for certain types of cancer.
  • Liver Fibrosis: Liver fibrosis is characterized by the excessive accumulation of fibrous tissue in the liver. Fibronectin levels in the blood can be used as a biomarker to assess the extent of liver fibrosis in patients with liver diseases, such as cirrhosis.
  • Inflammation and Inflammatory Diseases: Fibronectin levels can increase in response to inflammation. Monitoring changes in fibronectin levels in various bodily fluids can be used as a marker for inflammation, and it may help in the diagnosis and management of inflammatory conditions.
  • Autoimmune Diseases: Elevated fibronectin levels have been associated with certain autoimmune diseases, such as rheumatoid arthritis and systemic lupus erythematosus. Measuring fibronectin can be a component of disease monitoring and assessment in these conditions.
  • Cardiovascular Disease: Some studies have investigated the role of fibronectin as a biomarker for cardiovascular disease, particularly atherosclerosis. It may serve as an indicator of endothelial dysfunction and plaque formation in blood vessels.
  • Wound Infection: Fibronectin levels can be used to assess the risk of wound infection. An elevated level of fibronectin may indicate a higher likelihood of infection, particularly in chronic non-healing wounds.

It's important to note that the use of fibronectin as a biomarker depends on the specific condition being assessed, and the interpretation of fibronectin levels should be done in the context of an individual's medical history, clinical symptoms, and other diagnostic information.

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