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Mouse development i...
Mouse development is not obviously affected by the absence of dermatan sulfate epimerase 2 in spite of a modified brain dermatan sulfate composition.
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- Bartolini, Barbara (författare)
- Lund University,Lunds universitet,Matrixbiologi,Forskargrupper vid Lunds universitet,Matrix Biology,Lund University Research Groups
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- Thelin, Martin (författare)
- Lund University,Lunds universitet,Matrixbiologi,Forskargrupper vid Lunds universitet,Matrix Biology,Lund University Research Groups
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- Rauch, Uwe (författare)
- Lund University,Lunds universitet,Kärlväggsbiologi,Forskargrupper vid Lunds universitet,Vessel Wall Biology,Lund University Research Groups
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Feinstein, Ricardo (författare)
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- Oldberg, Åke (författare)
- Lund University,Lunds universitet,Åke Oldbergs forskargrupp,Forskargrupper vid Lunds universitet,Åke Oldberg´s group,Lund University Research Groups
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- Malmström, Anders (författare)
- Lund University,Lunds universitet,Matrixbiologi,Forskargrupper vid Lunds universitet,Matrix Biology,Lund University Research Groups
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- Maccarana, Marco (författare)
- Lund University,Lunds universitet,Matrixbiologi,Forskargrupper vid Lunds universitet,Matrix Biology,Lund University Research Groups
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(creator_code:org_t)
- 2012-04-10
- 2012
- Engelska.
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Ingår i: Glycobiology. - : Oxford University Press (OUP). - 1460-2423 .- 0959-6658. ; 22:7, s. 1007-1016
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://academic.oup...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Dermatan sulfate epimerase 2 (DS-epi2), together with its homologue DS-epi1, transform glucuronic acid into iduronic acid in dermatan sulfate polysaccharide chains. Iduronic acid gives dermatan sulfate increased chain flexibility and promotes protein binding. DS-epi2 is ubiquitously expressed and is the predominant epimerase in brain. Here we report the generation and initial characterization of DS-epi2 null mice. DS-epi2 deficient mice showed no anatomical, histological or morphological abnormalities. The body weights and lengths of mutated and wild-type littermates were indistinguishable. They were fertile and had a normal lifespan. Chondroitin/dermatan sulfate (CS/DS) isolated from newborn mutated mouse brains had a 38% reduction in iduronic acid compared to wild type littermates and compositional analysis revealed a decrease of 4-O-sulfate and an increase of 6-O-sulfate containing structures. Despite the reduction in iduronic acid, adult DS-epi2-/- brain showed normal extracellular matrix features by immunohistological stainings. We conclude that DS-epi1 compensates in vivo for the loss of DS-epi2.. These results extend previous findings of functional redundancy of brain extracellular matrix components.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
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- ref (ämneskategori)
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