Journal List > J Korean Ophthalmol Soc > v.56(12) > 1010175

Hwang and Kim: Effect of Amniotic Membrane Extract on Cultured Human Nasal Mucosa Fibroblasts

Abstract

Purpose

To investigate the effects of amniotic membrane extract (AME) on the survival of cultured human nasal mucosa fibroblasts.

Methods

Primary cultured human nasal mucosa fibroblasts were exposed to 0, 10, 20, or 30 μ g/mL AME for 3 days. The survival of the human nasal mucosa fibroblasts was measured using the MTT assay and apoptosis was evaluated with flow cytometry us-ing annexin-V/propidium iodide double staining.

Results

AME decreased significantly in fibroblast proliferation after exposure to 10 μ g/mL ( p = 0.000), and caused significant apoptosis of the fibroblasts after exposure to 10 μ g/mL ( p = 0.024).

Conclusions

AME decreased fibroblast proliferation in vitro at least through induction of apoptosis. Therefore, adjuvant use of AME during endonasal dacryocystorhinostomy may improve clinical outcomes.

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Figure 1.
Effect of amniotic membrane extract (AME) on the survival of the cultured human nasal mucosa fibroblasts. AME decreased fibroblast proliferation significantly in a dose-de-pendent manner compared to non-exposed control. * p < 0.05.
jkos-56-1939f1.tif
Figure 2.
Flow cytometric analysis of apoptosis using annexin-PI double staining. Cells in quadrant B1, B2, B3, B4 represents ne-crotic cells, late apoptotic cells, living cells and early apoptotic cells, respectively. (A) Unstained control. (B) Exposed to 20 μ g/mL amniotic membrane extract. FITC = fluorescein isothiocyanate; PI = propidium iodide.
jkos-56-1939f2.tif
Figure 3.
Flow cytometric analysis of apoptosis using annex-in-PI double staining. 10, 20, 30 μ g/mL amniotic membrane extract increased the degree of apoptosis significantly com-pared to non-exposed control. PI = propidium iodide.* p < 0.05.
jkos-56-1939f3.tif
Figure 4.
Flow cytometric analysis of necrosis using annex-in-PI double staining. 20, 30 μ g/mL amniotic membrane ex-tract affected the degree of necrosis significantly compared to non-exposed control. PI = propidium iodide. * p < 0.05.
jkos-56-1939f4.tif
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