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Ribbon Synapses and Retinal Disease: Review
Courtney E Frederick1, David Zenisek1
1Department of Molecular and Cellular Physiology, Yale University School of Medicine, 333 Cedar Street, P.O. Box 208026, New Haven, CT 06510, USA.
International Journal of Molecular Sciences
|March 29, 2023
Summary
Synaptic ribbons are crucial for sensory information transmission in the visual system. This review covers retinal synaptopathies and muscular dystrophies linked to ribbon synapse defects.
Area of Science:
- Neuroscience
- Ophthalmology
- Genetics
Background:
- Synaptic ribbons are presynaptic protein complexes vital for sensory neurotransmission in the visual system.
- They are essential at synapses with graded potential changes driving continuous neurotransmitter release.
- Mutations in ribbon components can disrupt synaptic transmission, leading to visual disorders.
Purpose of the Study:
- To review retinal synaptopathies caused by ribbon synapse malfunctions.
- To explore the pathogenesis mechanisms of these rare visual diseases.
- To discuss muscular dystrophies involving ribbon synapses.
Main Methods:
- Literature review of synaptopathies and ribbon synapse function.
- Analysis of genetic and molecular mechanisms underlying retinal disorders.
- Examination of pathological links between muscular dystrophies and ribbon synapses.
Main Results:
- Defective synaptic transmission can result from mutations in single ribbon components.
- Retinal malfunctions can arise from presynaptic molecular machinery defects in ribbon synapses.
- Certain muscular dystrophies show involvement of ribbon synapses in their pathology.
Conclusions:
- Understanding ribbon synapse function is key to deciphering visual system disorders.
- Further research into synaptopathies and related muscular dystrophies is warranted.
- Targeting ribbon synapse mechanisms may offer therapeutic avenues for visual and neuromuscular diseases.
Keywords:
inherited retinal degenerationpresynaptic ribbon proteinsretinaretinal disordersribbon synapsesMore Related Videos
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