2004
DOI: 10.1002/nau.10174
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Excretion of collagen derived peptides is increased in women with stress urinary incontinence

Abstract: These data suggest that collagenolytic activity in women with SUI is elevated compared to continent controls, as measured by urinary helical peptide alpha1 (I) 620-633 excretion. The lack of difference in urinary PYD excretion between the two populations suggests that the increased collagenolytic activity in women with SUI, compared to continent controls, is restricted to uncrosslinked collagen.

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Cited by 26 publications
(19 citation statements)
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“…After a 24h urine collection, the stress incontinent group had mean urinary concentrations of helical peptide α1 (I) 620-633 of 0.80 ± 0.13 μg/mg creatitine as opposed to 0.49 ± 0.06 μg/mg creatitine in the control group ( P < 0.02). [15] Chen et al established similar conclusions by showing the up-regulation of matrix metalloproteinase mRNA by 80% ( P = 0.05) which are responsible for collagen breakdown, as well as the suppression of its inhibitors by 34% ( P =0.03) which act to regulate the collagen matrix. In conjunction, there was a 60% reduction per milligram of protein in the total collagen content in women with stress incontinence in comparison to control.…”
Section: Etiology-intrinsic Factorsmentioning
confidence: 77%
“…After a 24h urine collection, the stress incontinent group had mean urinary concentrations of helical peptide α1 (I) 620-633 of 0.80 ± 0.13 μg/mg creatitine as opposed to 0.49 ± 0.06 μg/mg creatitine in the control group ( P < 0.02). [15] Chen et al established similar conclusions by showing the up-regulation of matrix metalloproteinase mRNA by 80% ( P = 0.05) which are responsible for collagen breakdown, as well as the suppression of its inhibitors by 34% ( P =0.03) which act to regulate the collagen matrix. In conjunction, there was a 60% reduction per milligram of protein in the total collagen content in women with stress incontinence in comparison to control.…”
Section: Etiology-intrinsic Factorsmentioning
confidence: 77%
“…After a 24-hour urine collection, the stress incontinent group had mean urinary concentrations of helical peptide α1 (I) 620-633 of 0.80 ± 0.13 μg/mg of creatinine, compared with 0.49 ± 0.06 μg/mg of creatinine in the control group (P < 0.02) [15].…”
Section: Collagen and Elastin Defi Ciencymentioning
confidence: 98%
“…In one study, women with SUI, compared to normal women, exhibited higher concentrations of matrix metalloproteinases and lower concentrations of inhibitors of collagen breakdown in peri-urethral vaginal wall tissue. [3] Other studies support an increased role of collagenases in women with SUI [8], further underscoring the vital role that collagen plays in SUI and in its surgical treatment. Synthetic sub-urethral mesh must therefore encompass several characteristics that promote healing, minimize inflammation, and exude biocompatibility.…”
Section: Why Synthetic Mesh?mentioning
confidence: 99%
“…Synthetic polypropylene mesh has a tenfold tensile force compared to normal fibrous tissue and, as such, is rarely a factor when differentiating between products [1,8]. Resistance of the mesh to deformation has been demonstrated to be consistent over time and superior to cadaveric fascia lata slings [46].…”
Section: Tensile Strengthmentioning
confidence: 99%