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Albumin precursorandHsp70modulatecornealwoundhealinginanorgan culturemodel
Acta Histochemica
  • Anwar Ali Siddiqui, Aga Khan University
  • Shamim Mushtaq Shamim Mushtaq, AgaKhanUniversity
  • ZulfiqarAliNaqvi ZulfiqarAliNaqvi, AgaKhanUniversity
  • NikhatAhmed NikhatAhmed, UniversityofKarachi
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In order to investigate the role of albumin precursor and Hsp70 in corneal wound healing, we have analyzed the distribution of these proteins in wounded and non-wounded corneas of rabbits and the effects of topical applications of anti-albumin precursor and anti-Hsp70 antibodies on wound healing. Anti-albumin precursor and anti-Hsp70 antibodies were topically applied in healing corneal epithelium of rabbit eyes in organ culture. Corneas were allowed to heal in vitro for up to 120 h in serum-free medium with 5 and 10 μg/ml or without (migrating control) anti-albumin precursor/ or anti-Hsp70 antibodies. Fibronectin (Fb) (5 μg/ml) was used as a positive control. Immunofluorescence labelling was used to detect proteins in corneal epithelium at various time intervals following an epithelial defect. Delay in wound healing (pp120 h with 10 μg/ml. Additionally, immunofluoresence showed a strong co-localization of Hsp70 and albumin precursor during the active phase of wound healing. The presence of albumin precursor and Hsp70 in the epithelial compartment of the cornea indicates a role for these proteins in modulating cell behavior such as epithelial growth, adhesion or regeneration, thus contributing to corneal epithelial wound healing.
Citation Information
Anwar Ali Siddiqui, Shamim Mushtaq Shamim Mushtaq, ZulfiqarAliNaqvi ZulfiqarAliNaqvi and NikhatAhmed NikhatAhmed. "Albumin precursorandHsp70modulatecornealwoundhealinginanorgan culturemodel" Acta Histochemica Vol. 113 Iss. 1 (2011) p. 36 - 42
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