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A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
Published on: July 5, 2017
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Development, alteration and real time dynamics of conjunctiva-associated lymphoid tissue
Sebastian Siebelmann1, Uta Gehlsen1, Gereon Hüttmann2
1Department of Ophthalmology, University of Cologne, Cologne, Germany.
Plos One
|December 31, 2013
Summary
Conjunctiva-associated lymphoid tissue (CALT) in mice shows dynamic changes in development and cellular activity. This research provides insights into CALT
Area of Science:
- Immunology
- Ocular Surface Research
- Microscopy
Background:
- Conjunctiva-associated lymphoid tissue (CALT) is crucial for ocular immune responses.
- Understanding CALT's function is vital for ocular surface health.
Purpose of the Study:
- To investigate the function, development, and cellular dynamics of CALT.
- To utilize a novel mouse model for in-depth CALT analysis.
Main Methods:
- Examined CALT expression and morphology in BALB/c mice.
- Applied topical antigens, particles, and bacteria to study immune responses and transport.
- Utilized two-photon microscopy for intravital visualization.
Main Results:
- Mouse CALT development and ultrastructure resemble human CALT.
- Topical antigen challenge significantly impacts CALT expression.
- Demonstrated bacterial translocation via lymphoepithelium with cellular velocities around 8 µm/min.
Conclusions:
- Mouse CALT acts as a dynamic immunological interface for the ocular surface.
- CALT exhibits morphological plasticity, particle/bacteria transport, and cellular migration.
- This study enhances understanding of ocular immune mechanisms.
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