AI Article Synopsis
- Artificial tears were tested for their effectiveness in protecting conjunctival and corneal cells from drying out, using a standard in vitro cell culture system.
- The study involved exposing cultured cells to different artificial tear solutions and measuring their survival rates after various exposure times, with some solutions like Lacrimal showing better results than others.
- Results indicated that the effectiveness of artificial tears varied between cell types, highlighting the need for further investigation into their protective capabilities against desiccation.
Article Abstract
Background: A large number of artificial tears is widely used to treat dry eye symptoms. To test the efficacy of these drugs independent of individual parameters in vitro models are required. As described previously, we employed a reproducible in vitro cell culture system to evaluate the desiccation protection capability of some artificial tears. In THE PRESENT PAPER DATA IS PRESENTED OF ANOTHER SET OF PHARMACEUTICAL AGENTS.
Material/methods: Conjunctival epithelial cell line Chang 1-5c-4 (series 1) and the corneal cell line 2.040 pRSV-T (series 2) were cultured under standard conditions. Confluent cells were wetted for 20 min with artificial tears (Arufil Uno, Arufil, Lacrimal, Lacophthal sine, Siccaprotect, Tears Again, Vidisept EDO, Vistil, Wet Comod) or PBS as a control. After exposure to a constant air flow for 0, 15, 30 and 45 minutes respectively, cells were incubated with the vital dye alamarBlue. Subsequently, absorption of the oxidised form of the dye was assessed using an ELISA-Reader.
Results: Cell best survival rates in series 1 after 15 min were found for Lacrimal (0.89), Wet Comod (0.84) compared to PBS (0.66) and in series 2 for Vidisept EDO (0.57) and Lacrimal (0.56) compared to PBS (0.01). After 45 min highest survival was seen in series 1 for Lacrimal (0.46) and Lacophthal sine (0.36) compared to PBS (0.33) and in series 2 for Lacrimal (-0.06) and Arufil (-0.16) compared to PBS (-0.23).
Conclusions: Both cell lines tested showed different susceptibility towards desiccation and the artificial tears showed differences in preventing cells from desiccation.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3560629 | PMC |
| http://dx.doi.org/10.12659/msm.882728 | DOI Listing |
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