September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Evaluation of Thrombocyte-based extract in different human corneal cell types
Author Affiliations & Notes
  • Daniel Thieme
    Ophthalmology, University of Erlangen-Nurnberg, Erlangen, Germany
    Institute of applied cell culture, Munich, Germany
  • Toni Lindl
    Institute of applied cell culture, Munich, Germany
  • Friedrich E Kruse
    Ophthalmology, University of Erlangen-Nurnberg, Erlangen, Germany
  • Thomas Armin Fuchsluger
    Ophthalmology, University of Erlangen-Nurnberg, Erlangen, Germany
  • Footnotes
    Commercial Relationships   Daniel Thieme, None; Toni Lindl, None; Friedrich Kruse, None; Thomas Fuchsluger, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 4925. doi:
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      Daniel Thieme, Toni Lindl, Friedrich E Kruse, Thomas Armin Fuchsluger; Evaluation of Thrombocyte-based extract in different human corneal cell types. Invest. Ophthalmol. Vis. Sci. 2016;57(12):4925.

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      © ARVO (1962-2015); The Authors (2016-present)

  • Supplements

Purpose : The use of fetal calf serum (FCS) in biomedical sciences is controversially discussed since decades. Although the use of FCS is established and accepted within the scientific community the use of undefined animal sera leads to problems with the reproducibility of in vitro studies and to problems with immunogenic reactions especially in the field of stem cell or tissue transplantation. Platelet-derived growth media supplementation is therefore investigated as a suitable FCS replacement.

Methods : We used a new type of thrombocyte-based extract (Lindls TBE) from our collaborator (I-A-Z GmbH Prof. Toni Lindl) to establish animal-free cell culture media for in vitro studies of human corneal cell types and for a new type of storage medium for corneal grafts. We therefore analyzed the growth and vitality of human epithelial (HCE) and endothelial (HCEC12) cell suspensions as well as keratinocytes (HCK) derived from human corneal origin. All of them are used for 3-dimensional cell culture of the human cornea.

Results : Our research shows that all used human corneal cell lines respond in a very positive manner to the thrombocyte extract compared to FCS standard treatment although the Lindls TBE contains only 1% of the protein amount FCS normally contains. With a used protein yield of 0.3 mg/ mL in growth media human corneal keratinocyte cells showed no difference in growth speed and vitality compared to FCS control (FCS: 7,5x105 +-3,6x103 vs Lindls-TBE 5,4x105+-8,3 x103). The same applied to human corneal epithelial cells (FCS: 6.3x105 +-4,4x103 vs Lindls-TBE 6,7x105+-3,0x103) and human corneal endothelial cells (HCEC: 8,4x104+-3,0x102 vs Lindls-TBE 9,0x104+-1,3 x103) if 0.4 mg/ mL final protein yield was used.

Conclusions : The Lindls TBE medium supplement is able to replace FCS in in vitro culture of human corneal cells in monoculture as in co-culture. The complete animal free approach will enable us to achieve a non-immunogenic, thus transplantable model of the human cornea in future using primary cells from patients or re-programmed stem cells. The low protein yield combined with excellent growth stimulation abilities make the Lindls-TBE a very promising supplement who’s further analysis via mass spectrometry (LC/MS/MS) will render a full defined media for cell culture possible in future.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.


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