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Mechanosensation and pain
Gary R Lewin1, Rabih Moshourab
1Growth Factors and Regeneration Group, Max-Delbrück Center for Molecular Medicine, Robert-Rössle-Str. 10, Berlin-Buch D-13092, Germany. glewin@mdc-berlin.de
Journal of Neurobiology
|September 14, 2004
Summary
Cells sense mechanical forces for basic functions. This review explores how skin mechanosensitive neurons detect touch and pain, including abnormal pain states like allodynia and hyperalgesia.
Area of Science:
- Neuroscience
- Cell Biology
- Sensory Physiology
Background:
- Cellular mechanotransduction is vital for growth, hearing, balance, touch, and pain.
- Mechanotransduction's role in somatic touch and pain sensation remains under-explored.
- The skin, our primary sensory organ, is densely innervated by diverse mechanosensitive neurons.
Purpose of the Study:
- To review mechanosensitive sensory neurons in the skin.
- To examine the role of these neurons in physiological and pathophysiological pain.
- To evaluate cellular and molecular mechanisms of mechanosensory signaling in pain.
Main Methods:
- Literature review of existing research on mechanotransduction.
- Analysis of data concerning mechanosensitive neuron function in the skin.
- Evaluation of cellular and molecular mechanisms underlying sensory signaling.
Main Results:
- Identified a wide variety of mechanosensitive sensory neurons in the skin.
- Detailed the involvement of these neurons in normal touch and pain perception.
- Discussed their contribution to pathological pain conditions such as allodynia and hyperalgesia.
Conclusions:
- Mechanosensitive neurons in the skin play a critical role in both innocuous and noxious sensory signaling.
- Understanding these mechanisms is crucial for addressing pain pathophysiology.
- Further research into cellular and molecular pathways is warranted.