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Angiogenesis blood vessels

Upon resolntion of the pathogen, the second phase of wonnd healing occurs where re-epithelialization and neovascularization are essential for wound closure. Formation of new blood vessels (angiogenesis) (Barcelos et al. 2005 Roy et al. 2008), fibrin matrices (Midwood et al. 2006), and collagen deposits (Seppinen et al. 2008) are all events that promote the wound closure process. [Pg.339]

The thrombospodin-1 gene codes for a protein that inhibits new formation of blood vessels (angiogenesis). The p53 protein activates expression of the thrombospodin-1 gene and can thus suppress angiogenesis (Dameron et al., 1994). If the regulating activity of... [Pg.446]

In mature tissues, VEGFR3 is primarily localized to lymphatic endothelial cells, where binding of VEGF-C stimulates lymphangiogenesis [25], Some inflamed tissues, such as from arthritic joints, display VEGFR3 colocalized with other blood vessel markers on endothelial cells, although a role in the accelerated blood vessel angiogenesis in this tissue has not been clearly demonstrated [26]. [Pg.196]

Fat loss. White adipose tissue is vascularised, much like a tumour, and growth of adipose tissue is highly dependent on the building of new blood vessels (angiogenesis). Recent studies with obese mice models have shown that proapoptotic peptide, directed against blood vessels, results in decreased food intake and significant fat loss. [Pg.183]

In patients with blocked coronary blood vessels, coronary artery bypass grafting or angioplasty may be required. A potential new therapy involves agents that promote the formation of new blood vessels (angiogenesis). However, drugs that interfere with the formation of new blood vessels (angiogenesis inhibitors) may have a promising future in the treatment of cancer since they can cut off blood supply to tumors. [Pg.450]

In the course of tissue augmentation (hyperplasia), the tumour outgrows into the surrounding tissue. To grow further and satisfy the increased demand for nutrients, the tmnour requires the formation of new blood vessels (angiogenesis) (Fig. 5.120). [300] Eventually, cancer cells are released into the blood or lymph system and disseminated into other organs to establish secondary tumours (metastases). [Pg.386]

Chitin and its deacetylated derivative chitosan are suitable bioplatforms that can be further improved by targeted functionalisation for skin repair. For example, the unique biological properties of chitosan characterised with human cell biocompatibility, human serum biodegradability, non-toxicity, antibacterial and haemostatic properties justify the use of this biopolymer in skin repair processes. The haemostatic activity of chitosan is exploited in early treatment of wounds [28], especially in large injuries subjected to heavy bleeding [29]. Many haemostatic products on the market consist thus, fully or partially, of chitosan. Moreover, chitosan aids to a rapid closure of fuU-thickness wounds due to its supportive effect to the fast growing of new blood vessels (angiogenesis) in the injured tissue [30]. Chitin and chitosan can be... [Pg.409]


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See also in sourсe #XX -- [ Pg.190 ]




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