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In a normal wall of arteries, collagen type IV acts to inhibit smooth muscle cell proliferation. Accordingly, it was demonstrated that protein expression of collagen type IV in human vascular smooth muscle cells is regulated by both SMAD3 protein and TGFβ mediated stimulation of mRNA. [12]
Collagen is also abundant in corneas, blood vessels, the gut, intervertebral discs, and the dentin in teeth. [3] In muscle tissue, it serves as a major component of the endomysium. Collagen constitutes 1% to 2% of muscle tissue and accounts for 6% of the weight to skeletal muscle. [4] The fibroblast is the most common cell creating collagen in ...
This (Gly-X-Y)n sequence is repeated 343 times in the type III collagen molecule. Proline or hydroxyproline is often found in the X- and Y-position giving the triple helix stability. In addition to being an integral structural component of many organs, type III collagen is also an important regulator of the diameter of type I and II collagen ...
Collagen VI (ColVI) is a type of collagen primarily associated with the extracellular matrix of skeletal muscle. [1] ColVI maintains regularity in muscle function and stabilizes the cell membrane. [ 2 ]
Type IV collagen is a main component of basement membranes in various tissues (arteries included). [ 13 ] Over the past decade, studies have repeatedly found single-nucleotide polymorphisms located in the collagen ( COL) 4A1 and COL4A2 genes to be associated with cardiovascular disease , and the 13q34 locus harboring these genes is one of the ...
Muscle loss can affect strength and mobility, so eating enough protein to preserve lean tissue is crucial. Additionally, protein slows down your digestion, helping you feel fuller for longer.
An elastic artery (conducting artery or conduit artery) is an artery with many collagen and elastin filaments in the tunica media, which gives it the ability to stretch in response to each pulse. [1] This elasticity also gives rise to the Windkessel effect , which helps to maintain a relatively constant pressure in the arteries despite the ...
Cerebral atherosclerosis is a type of atherosclerosis where build-up of plaque in the blood vessels of the brain occurs. Some of the main components of the plaques are connective tissue, extracellular matrix, including collagen, proteoglycans, fibronectin, and elastic fibers; crystalline cholesterol, cholesteryl esters, and phospholipids; cells such as monocyte derived macrophages, T ...
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