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A monoclonal antibody that binds to cones
Investigative Ophthalmology & Visual Science
|May 1, 1986
Summary
A new monoclonal antibody, 50-1B11, targets cone photoreceptors in various species, including humans. This discovery aids in understanding cone cell biology and visual system research.
Area of Science:
- Ophthalmology
- Immunology
- Neuroscience
Background:
- Cone photoreceptors are crucial for color vision and visual acuity.
- Specific antibodies are needed to study cone cell structure and function.
Purpose of the Study:
- To produce and characterize a novel monoclonal antibody that specifically binds to cone cells.
- To investigate the distribution and localization of the target antigen in different species.
Main Methods:
- Production of a monoclonal antibody (50-1B11).
- Immunohistochemical staining on retinal tissues from various vertebrate species, including humans and rhesus monkeys.
- In vitro and electron microscopy studies to determine antigen localization.
Main Results:
- The monoclonal antibody 50-1B11 successfully binds to cone outer segments in rhesus monkeys.
- Immunohistochemistry confirmed binding to a subset of photoreceptors, likely cones, across tested vertebrate species.
- Antigen localization studies revealed the target is intracellular, associated with the plasma membrane, and within the lamellae of rhesus cone outer segments.
Conclusions:
- Monoclonal antibody 50-1B11 is a valuable tool for identifying and studying cone photoreceptors.
- The identified antigen is conserved in cones across diverse vertebrate species.
- This antibody facilitates research into cone cell biology and potential visual disorders.