Ramp

Debbie L Hay, Patrick M Sexton, David R Poyner

Research output: Chapter in Book/Report/Conference proceedingEncyclopaedia / Dictionary EntryOtherpeer-review

Abstract

The receptor activity-modifying protein (RAMP) family was first reported in 1998 during attempts to identify the cell surface receptor for a neuropeptide known as calcitonin gene-related peptide (CGRP) (McLatchie et al. 1998). Formerly, a protein known as the calcitonin receptor-like receptor (CLR) was thought to be the receptor for CGRP but no study had convincingly shown that this was the case. McLatchie and colleagues were able to show that CLR needs RAMP1 for a CGRP receptor to be formed. RAMP1 assists CLR in reaching the cell surface. Thus, RAMP1 and CLR together at the cell surface form the receptor for CGRP, which binds and activates this protein complex, leading to downstream signaling events such as an accumulation of intracellular cAMP. In this same study, two other related proteins were found, named RAMP2 and RAMP3. Each of these proteins could also assist CLR in reaching the cell surface but remarkably, CGRP was less effective at activating these protein complexes. Instead, a peptide similar to CGRP, called adrenomedullin (AM), preferentially activated them. Thus, RAMPs can be considered as “pharmacological switches” by virtue of their ability to change the peptide hormone for which CLR has a preference.
Original languageEnglish
Title of host publicationEncyclopedia of Signaling Molecules
EditorsS Choi
Place of PublicationNew York NY USA
PublisherSpringer
Pages1570-1574
Number of pages5
ISBN (Electronic)9781441904614, 9781441904621
ISBN (Print)9781441904607
DOIs
Publication statusPublished - 2012

Cite this

Hay, D. L., Sexton, P. M., & Poyner, D. R. (2012). Ramp. In S. Choi (Ed.), Encyclopedia of Signaling Molecules (pp. 1570-1574). New York NY USA: Springer. https://doi.org/10.1007/978-1-4419-0461-4_112
Hay, Debbie L ; Sexton, Patrick M ; Poyner, David R. / Ramp. Encyclopedia of Signaling Molecules. editor / S Choi. New York NY USA : Springer, 2012. pp. 1570-1574
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Hay, DL, Sexton, PM & Poyner, DR 2012, Ramp. in S Choi (ed.), Encyclopedia of Signaling Molecules. Springer, New York NY USA, pp. 1570-1574. https://doi.org/10.1007/978-1-4419-0461-4_112

Ramp. / Hay, Debbie L; Sexton, Patrick M; Poyner, David R.

Encyclopedia of Signaling Molecules. ed. / S Choi. New York NY USA : Springer, 2012. p. 1570-1574.

Research output: Chapter in Book/Report/Conference proceedingEncyclopaedia / Dictionary EntryOtherpeer-review

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Hay DL, Sexton PM, Poyner DR. Ramp. In Choi S, editor, Encyclopedia of Signaling Molecules. New York NY USA: Springer. 2012. p. 1570-1574 https://doi.org/10.1007/978-1-4419-0461-4_112