Title : A single TRPV1 amino acid controls species sensitivity to capsaicin.

Pub. Date : 2020 May 15

PMID : 32415171






3 Functional Relationships(s)
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1 To identify residues responsible for differential TRPV1 capsaicin sensitivity among species, we used intracellular Ca2+ imaging to characterize chimeras composed of capsaicin-sensitive rat TRPV1 (rTRPV1) and capsaicin-insensitive chicken TRPV1 (cTRPV1) exposed to a series of capsaicinoids. Capsaicin transient receptor potential cation channel, subfamily V, member 1 Rattus norvegicus
2 To identify residues responsible for differential TRPV1 capsaicin sensitivity among species, we used intracellular Ca2+ imaging to characterize chimeras composed of capsaicin-sensitive rat TRPV1 (rTRPV1) and capsaicin-insensitive chicken TRPV1 (cTRPV1) exposed to a series of capsaicinoids. Capsaicin transient receptor potential cation channel, subfamily V, member 1 Rattus norvegicus
3 Similarly, replacing corresponding rTRPV1 residue E570 with lysine or glutamine retained capsaicin sensitivity. Capsaicin transient receptor potential cation channel, subfamily V, member 1 Rattus norvegicus