کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10913954 | 1088678 | 2005 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Catabolism of aggrecan proteoglycan aggregate components in short-term explant cultures of tendon
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
تحقیقات سرطان
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Catabolism of aggrecan proteoglycan aggregate components in short-term explant cultures of tendon Catabolism of aggrecan proteoglycan aggregate components in short-term explant cultures of tendon](/preview/png/10913954.png)
چکیده انگلیسی
Hyaluronan (HA) and link protein are essential components of the aggrecan proteoglycan aggregate, whereby HA binds multiple aggrecan monomers, an interaction which is stabilised by link protein. In this study, we have examined the turnover of the aggregate components, HA, link protein, and the N-terminal G1 domain of aggrecan, in explant cultures of tissue from compressed and tensional regions of young and mature bovine tendons. Western blot analyses revealed the release of highly processed link protein and G1-containing metabolites, in the absence of catabolic agents, indicating an increased turnover of these components in tendon. In addition, significant levels of HA were released from the tissue matrix into the media compartment. Furthermore, RT-PCR analysis showed that the mRNA expression of link protein and enzymes/proteins associated with HA metabolism may be modulated in the distinct functional regions of tendon with development. Perturbation of normal aggrecan aggregate metabolism may lead to tissue dysfunction.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Matrix Biology - Volume 24, Issue 3, May 2005, Pages 219-231
Journal: Matrix Biology - Volume 24, Issue 3, May 2005, Pages 219-231
نویسندگان
Sarah G. Rees, Clare L. Curtis, Colin M. Dent, Bruce Caterson,