Early expression of mannose-binding lectin 2 during Aspergillus fumigatus infection in human corneal epithelial cells

Cheng Ye Che, Jing Fen Zhang, Ji Eun Lee, Jing Lin, Li Ting Hu, Nan Jiang, Qian Wang, Qiang Xu, Gui Qiu Zhao

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

AIM To evaluate the early expression of mannose-binding lectin 2 (MBL2) in human corneal epithelial cells (HCECs) infected by Aspergillus fumigatus (AF). METHODS HCECs cultured in vitro with AF antigens and sampled at 0, 0.5, 1, 2, 4, 6 and 8h. The expression of MBL2 mRNA was evaluated by semiquantitative reverse transcription-polymerase chain reaction (RT-PCR). The expression of MBL2 protein in supernatant fluid was shown by enzyme linked immunosorbent assay (ELISA). MBL2 protein in HCECs was detected by immunocytochemistry at 0 and 24h. RESULTS MBL2 mRNA and protein are expressed in normal HCECs. The expression of MBL2 mRNA and protein in supernatant fluid begin to increase after being stimulated with AF antigens. The most significantly peak of MBL2 mRNA is in 2h. The protein of MBL2 in supernatant fluid decrease gradually after 0.5h. The protein in HCECs expression increase after stimulation of 24h. CONCLUSION MBL2 receptor expressed in normal HCECs in vitro. The stimulation by AF antigens can increase the early expression of it.

Original languageEnglish
Pages (from-to)35-38
Number of pages4
JournalInternational Journal of Ophthalmology
Volume8
Issue number1
DOIs
StatePublished - 18 Feb 2015
Externally publishedYes

Keywords

  • Aspergillus fumigatus
  • Human corneal epithelial cells
  • Mannose-binding lectin

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