1985
DOI: 10.1111/j.1755-3768.1985.tb01578.x
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Biochemical studies of normal and keratoconus corneas

Abstract: Keratoconus corneas are characterized by a reduced mechanical stability. The mechanical strength depends primarily on the collagen. In the present study the cross-linking pattern is analysed because it is important for the mechanical properties; an analysis of the amino acids of the collagen is included. Surprisingly, we did not find any change in the cross-linking pattern of collagen from keratoconus corneas compared to normal corneas. Neither did we find any difference in the composition of amino acids of th… Show more

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Cited by 25 publications
(12 citation statements)
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“…15 The majority of studies agree that in KC the stromal collagen content is decreased 9,10 but that there are no dramatic changes in either the distribution of the various collagen types [16][17][18] or in the cross-linking pattern 19 and molecular arrangement of the collagen within the stroma. 9,20 The exception is the altered distribution of collagen type III in scarred regions of KC tissue. 18 Several studies have investigated the KC-associated proteome.…”
Section: Structure and Proteomicsmentioning
confidence: 99%
“…15 The majority of studies agree that in KC the stromal collagen content is decreased 9,10 but that there are no dramatic changes in either the distribution of the various collagen types [16][17][18] or in the cross-linking pattern 19 and molecular arrangement of the collagen within the stroma. 9,20 The exception is the altered distribution of collagen type III in scarred regions of KC tissue. 18 Several studies have investigated the KC-associated proteome.…”
Section: Structure and Proteomicsmentioning
confidence: 99%
“…Surprisingly, the only previous attempts to elucidate corneal collagen enzymatic cross-links (i.e., LOX mediated) in KC were performed before 1988, using traditional HPLC techniques for difunctional enzymatic cross-link analysis. 22 24 Regarding CXL, few studies have examined the specific chemical cross-links formed in the treated tissues, 25 although dityrosine has been detected as a cross-link product of riboflavin photochemical modification of collagen types I and IV in vitro 26 and its presence has been suggested in a recent rabbit study using total sample fluorescence. 5 …”
mentioning
confidence: 99%
“…Жесткость корнеальной ткани при кератоконусе составляет около 70% от прочностных свойств здоровой роговицы [37]. H. Oxlund и A. Simonsen пришли к выводу, что снижение механической ста-бильности конусных роговиц не связано с изменениями в молекулярной структуре и аминокислотном составе коллагена [38]. По данным разных авторов, прочность коллагена зависит от диаметра образующих его волокон и длины фибрилл.…”
Section: биомеханика роговицы при уф-кросслинкингеunclassified