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Inhibitory effect of diabetes on proliferation of vascular smooth muscle after balloon injury in rat aorta
Linköpings universitet, Institutionen för biomedicin och kirurgi, Cellbiologi. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för biomedicin och kirurgi, Cellbiologi. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för nervsystem och rörelseorgan, Patologi. Östergötlands Läns Landsting, Laboratoriemedicinskt centrum, Klinisk patologi och klinisk genetik. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för medicin och vård, Internmedicin. Östergötlands Läns Landsting, MKC-2, GE: endomed. Linköpings universitet, Hälsouniversitetet.
2000 (engelsk)Inngår i: Experimental Diabetes Research, ISSN 1687-5214, E-ISSN 1687-5303, Vol. 1, nr 2, s. 101-109Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The effect of streptozotocin-induced diabetes on cell proliferation in rat aortic intima-media, as well as on local gene expression of transforming growth factor-β1 (TGF-β1) was studied. TGF-β1 mRNA was measured by solution hybridization and TGF-β1 protein by ELISA. Proliferation was measured by bromodeoxyuridine incorporation into DNA two days after balloon injury. All BrdU-labelled cells observed were smooth muscle cells. After a diabetes duration of 2 and 4 weeks, labelled cells were significantly fewer compared with controls. Circulating levels of total TGF-β1 were lowered in rats with 2 weeks diabetes. Although the balloon injury procedure by itself stimulated the gene expression of TGF-β1, no significant difference in TGF-β1 mRNA content between diabetic and control rats after injury was found. In conclusion: vascular smooth muscle proliferation in vivo is inhibited by the diabetic state in this model of insulin deficient diabetes and this inhibition is not related to an impaired local expression of TGF-β1.

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2000. Vol. 1, nr 2, s. 101-109
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URN: urn:nbn:se:liu:diva-24975DOI: 10.1155/EDR.2000.101PubMedID: 11469394Lokal ID: 9386OAI: oai:DiVA.org:liu-24975DiVA, id: diva2:245299
Tilgjengelig fra: 2009-10-07 Laget: 2009-10-07 Sist oppdatert: 2017-12-13

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