A Novel R-Conotoxin Identified by Gene Sequencing Is Active in Suppressing the Vascular Response to Selective Stimulation of Sensory Nerves in Vivo (Record no. 41415)

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fixed length control field 02017nam a2200277Ia 4500
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625124654.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-7082
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Title A Novel R-Conotoxin Identified by Gene Sequencing Is Active in Suppressing the Vascular Response to Selective Stimulation of Sensory Nerves in Vivo
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Volume/sequential designation BioChemistry, 42, p.6904-6911, 2003
520 3# - SUMMARY, ETC.
Summary, etc. We describe the identification of a conopeptide sequence in venom duct mRNA from Conus Victoriae that suppresses a vascular response to pain in the rat. PCR-RACE was used to screen venom duct cDNAs for those transcripts that encode specific antagonists of vertebrate neuronal nicotinic acetylcholine receptors (nAChRs). One of these peptides, Vc1.1, was active as an antagonist of neuronal nAChRs in receptor binding and functional studies in bovine chromaffin cells. It also suppressed the vascular responses to unmyelinated sensory nerve C-fiber activation in rats. Such vascular responses are involved in pain transmission. Furthermore, its ability to suppress C-fiber function was greater than that of MVIIA, an ö-conotoxin with known analgesic activity in rats and humans. Vc1.1 has a high degree of sequence similarity to the R-conotoxin family of peptides and has the 4,7 loop structure characteristic of the subfamily of peptides that act on neuronal-type nAChRs. The results suggest that neuronal R-conotoxins should be further investigated with respect to their potential to suppress pain.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Sandall, D.W.
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Personal name Satkunanathan, N.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Keays, D.A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Polidano, M.A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Liping, X.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pham, V.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Down, J.G.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Down, J.G.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Livett, V.G.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gayler, K.R.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1K-d7f5arFj91cdtXg0HVG5fNUedEvLz5/view?usp=drivesdk">https://drive.google.com/file/d/1K-d7f5arFj91cdtXg0HVG5fNUedEvLz5/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-7082 25.06.2025 25.06.2025 Documentos solicitados