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Expression of basic fibroblast growth factor in rabbit corneal alkali wounds in the presence and absence of granulocytes
Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Ophthalmology.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Ophthalmology. Östergötlands Läns Landsting, Reconstruction Centre, Department of Ophthalmology UHL.
2005 (English)In: Acta Ophthalmologica Scandinavica, ISSN 1395-3907, E-ISSN 1600-0420, Vol. 83, no 3, 374-378 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: To study the expression of basic fibroblast growth factor (bFGF) in the early phases of corneal wound healing in the presence or absence of granulocytes. Methods: A central penetrating corneal alkali wound was inflicted to one eye in each of 14 rabbits under general anaesthesia. Subsequently, seven of the rabbits were given fucoidin i.v. for 36 hours in order to block the selectins on the vascular endothelium, thus preventing blood granulocytes from entering the tissues. Then, corneas were prepared, stained for bFGF and evaluated by light microscopy. Results: Whereas normal corneal epithelium expressed bFGF weakly, conjunctival epithelium did so strongly, particularly the goblet cells. The corneal endothelium showed medium staining, while keratocytes and vascular endothelial cells did not consistently express bFGF. After 36 hours of wound healing, a marked upregulation of bFGF expression was observed in the corneal epithelial and endothelial cells, as well as in the keratocytes, that were migrating into the wound. No other changes were noted. None of these features were modulated when granulocyte emigration was prevented by fucoidin administration. Conclusions: The difference in bFGF expression between the corneal and conjunctival epithelium suggests a role for this growth factor in the barrier function at the limbus. Moreover, the specific presence of bFGF in cells migrating into the wound indicates the participation of bFGF in corneal wound healing. Expression of bFGF was independent of granulocytes. Copyright © Acta Ophthalmol Scand 2005.

Place, publisher, year, edition, pages
2005. Vol. 83, no 3, 374-378 p.
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Medical and Health Sciences
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URN: urn:nbn:se:liu:diva-30123DOI: 10.1111/j.1600-0420.2005.00439.xLocal ID: 15602OAI: oai:DiVA.org:liu-30123DiVA: diva2:250944
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13

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Gan, LishaFagerholm, Per

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