Effect of hypoxia on the proliferation of murine cornea limbal epithelial progenitor cells in vitro.

Abstract:

AIM:To investigate the effect of hypoxia on the proliferation of mouse corneal epithelial cells in vitro. METHODS:Mouse corneal epithelial cells(MCEs) were cultured in normoxia (210mL/L O(2) and 50mL/L CO(2)) and hypoxia (20mL/L O(2) and 50mL/L CO(2)), respectively. Colony forming efficiency (CFE) and cell proliferation were determined. The expression of corneal epithelial progenitor cell marker p63 and K19 was investigated by immunostaining. RESULTS:Normoxic colonies were smaller compared with colonies formed in hypoxia. CFE was (12.50±1.50)% in hypoxic cultures, which was similar compared with normoxia cultures [(11.13±1.86)%, P>0.05)]. Cell proliferation was enhanced in hypoxia. Progenitor markers p63 and K19 were expressed in most cells under both normoxic and hypoxic conditions. CONCLUSION:Murine limbal epithelial progenitor cells can be efficiently expanded in hypoxic conditions.

journal_name

Int J Ophthalmol

authors

Ma XL,Liu HQ

doi

10.3980/j.issn.2222-3959.2011.02.07

subject

Has Abstract

pub_date

2011-01-01 00:00:00

pages

147-9

issue

2

eissn

2222-3959

issn

2227-4898

pii

ijo-04-02-147

journal_volume

4

pub_type

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