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Lack of the Cystein...
Lack of the Cysteine-Protease Inhibitor Cystatin C Promotes Atherosclerosis in Apolipoprotein E-Deficient Mice.
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- Bengtsson, Eva (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- To, Fong (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Håkansson, Katarina (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine
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- Grubb, Anders (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine
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- Brånén, Lena (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Nilsson, Jan (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Jovinge, Stefan (författare)
- Lund University,Lunds universitet,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stem Cell Center,Division of stem cell research,Department of Laboratory Medicine,Faculty of Medicine
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(creator_code:org_t)
- 2005
- 2005
- Engelska.
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Ingår i: Arteriosclerosis, Thrombosis and Vascular Biology. - 1524-4636. ; 25:10, s. 2151-2156
- Relaterad länk:
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http://www.ncbi.nlm.... (free)
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http://dx.doi.org/10... (free)
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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
- Objective - Degradation of extracellular matrix plays an important role in growth and destabilization of atherosclerotic plaques. Cystatin C, inhibitor of the collagen- and elastin-degrading cysteine proteases of the cathepsin family, is produced by virtually all cell types. It is present in the normal artery wall but severely reduced in human atherosclerotic lesions. Methods and Results - To determine the functional role of cystatin C in atherosclerosis, we crossed cystatin C - deficient ( cysC(-/-)) mice with apolipoprotein E - deficient ( apoE(-/-)) mice. After 25 weeks of atherogenic diet, mice lacking apoE and cystatin C (cysC(-/-) apoE(-/-)) had larger subvalvular plaques compared with cysC(+/+) apoE(-/-) mice (766 000 +/- 20 000 mu m(2) per section versus 662 000 +/- 19 000 mu m(2) per section; P = 0.001), suggesting an atheroprotective role of cystatin C. The plaques from cysC(-/-) apoE(-/-) mice were characterized by increased total macrophage content. To determine which cellular source is important for the antiatherosclerotic effect of cystatin C, we performed bone marrow transplantations. ApoE(-/-) mice were transplanted with either cysC(-/-) apoE(+/+) or cysC(+/+) apoE(-/-) bone marrow. No significant differences in plaque area, macrophage, collagen, or lipid content of subvalvular lesions between the 2 groups were detected. Conclusions - The result suggests that the protective role of cystatin C in atherosclerosis is dependent primarily on its expression in nonhematopoietic cell types.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- macrophages
- genetically altered mice
- cystatin C
- atherosclerosis
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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