Examining the role of ASIC channels in pain through the development of subtype-specific ASIC channel modulators.

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Acid sensing ion channels (ASICs) sense changes in acidity in the body. They are found throughout the body and may underlie nerve damage in stroke and some types of pain. ASICs also have many as yet unknown functions. A lack of selective tools to study ASICs is a major barrier to a complete understanding of what they do. This proposal aims to modify three animal toxins which block these receptors to make useful tools to study their function, in particular their role in sensing pain.