March 1, 2024CellOpen Access

A mouse DRG genetic toolkit reveals morphological and physiological diversity of somatosensory neuron subtypes

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Authors

LQLijun QiHoward Hughes Medical Institute MIMichael IskolsCornell University DSDavid E. ShiWest Virginia University

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Implication

Preclinical study reveals distinct cutaneous arborization and sensory response thresholds among somatosensory neuron subtypes in mice, highlighting collective stimulus space tiling.

Key Points

Cutaneous somatosensory neurons exhibit subtype-specific axon branching patterns, allowing transcriptionally distinct groups to tile mechanical and thermal stimulus space.
In vivo physiological analysis shows that cutaneous axon arborization patterns correspond with specific activation thresholds across mechanical and thermal stimuli.
Characterization via this genetic toolkit illuminates peripheral sensory coding principles—mouse model; further preclinical work is needed across mammalian systems.

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Qi et al. (2024) studied this question.

synapsesocial.com/papers/68e7604eb6db6435876d749a https://doi.org/10.1016/j.cell.2024.02.006

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Implication

Preclinical study reveals distinct cutaneous arborization and sensory response thresholds among somatosensory neuron subtypes in mice, highlighting collective stimulus space tiling.

A mouse DRG genetic toolkit reveals morphological and physiological diversity of somatosensory neuron subtypes

Discussion

Member takes

Implication

Key Points

Cite This Study

A mouse DRG genetic toolkit reveals morphological and physiological diversity of somatosensory neuron subtypes

Discussion

Member takes

Implication

Key Points

Cite This Study

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