Evidence map›Paper›PMID 16299552›Full record

ArticleBritish journal of pharmacology2006

[32P]2-iodo-N6-methyl-(N)-methanocarba-2'-deoxyadenosine-3',5'-bisphosphate ([32P]MRS2500), a novel radioligand for quantification of native P2Y1 receptors.

Dayle Houston, Michihiro Ohno, Robert A Nicholas, Kenneth A Jacobson, T Kendall Harden

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
3.0field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 43 citations in OpenAlex.

  1. Advances in nucleotide-based P2Y₁ antagonism: implications for cardiovascular therapeutics.Medicinal chemistry research : an international journal for rapid communications on design and mechanisms of action of biologically active agents · 2026
    Review
  2. Review
  3. Purinergic Signaling Controls Spontaneous Activity in the Auditory System throughout Early Development.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  4. Nucleotide P2YPurinergic signalling · 2020
    Article
  5. Microglia P2YFrontiers in pharmacology · 2018
    Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. UDP is a competitive antagonist at the human P2Y14 receptor.The Journal of pharmacology and experimental therapeutics · 2008
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Dayle HoustonDepartment of Pharmacology, University of North Carolina School of Medicine, CB# 7365 Chapel Hill, NC 27599, USA. dhouston@med.unc.edu
Michihiro Ohno
Robert A Nicholas
Kenneth A Jacobson
T Kendall Harden
University of North Carolina at Chapel Hill · US

Funding

Development Of P2Y Receptor LigandsZIADK031116 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI JACOBSON, KENNETH ALAN · 2009 to 2025
$8.9M
P2Y-PURINERGIC RECEPTORSR01GM038213 · NIGMS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI HARDEN, T KENDALL · 1987 to 2012
$3.9M
Trafficking/signaling of P2Y receptors in polarized epithelial cellsR01HL071131 · NHLBI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI NICHOLAS, ROBERT A · 2002 to 2011
$2.8M
P2T PURINERGIC RECEPTORSR01HL054889 · NHLBI · UNIVERSITY OF NORTH CAROLINA CHAPEL HILL · PI BOYER, JOSE L · 2001 to 2004
$1.0M
PROSTHETIC GROUPS FOR RADIOLABELING OF FUNCTIONALIZED DRUGS AND PEPTIDESZ01DK031116 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI JACOBSON, KENNETH ALAN · 1991 to 2008
$769k
P2T-PURINERGIC RECEPTORSR29HL054889 · NHLBI · UNIVERSITY OF NORTH CAROLINA CHAPEL HILL · PI BOYER, JOSE L · 1995 to 1999
–
Intramural NIH HHS Z01 DK031116NHLBI NIH HHS HL54889NHLBI NIH HHS R01 HL054889NHLBI NIH HHS R01 HL071131NHLBI NIH HHS R29 HL054889NIGMS NIH HHS GM38213NIGMS NIH HHS R01 GM038213
6 · The paper itself

Abstract

Analysis of the P2Y family of nucleotide-activated G-protein-coupled receptors has been compromised by the lack of selective high-affinity, high-specific-radioactivity radioligands. We have pursued quantification of the P2Y1 receptor through the development of a series of selective P2Y1 receptor antagonists. Recently, we synthesized 2-iodo-N6-methyl-(N)-methanocarba-2'-deoxyadenosine 3',5'-bisphosphate (MRS2500), a selective, competitive antagonist that exhibits a Ki of 0.8 nM in competition-binding assays with [3H]MRS2279. A 3'-monophosphate precursor molecule, MRS2608, was radiolabeled at the 5' position with 32P using polynucleotide kinase and [gamma32P]ATP to yield [32P]MRS2500. [32P]MRS2500 bound selectively to Sf9 insect cell membranes expressing the human P2Y1 receptor (Sf9-P2Y1), but did not detectably bind membranes expressing other P2Y receptors. P2Y1 receptor binding to [32P]MRS2500 was saturable with a KD of 1.2 nM. Agonists and antagonists of the P2Y1 receptor inhibited [32P]MRS2500 binding in Sf9-P2Y1 membranes with values in agreement with those observed in functional assays of the P2Y1 receptor. A high-affinity binding site for [32P]MRS2500 (KD=0.33 nM) was identified in rat brain, which exhibited the pharmacological selectivity of the P2Y1 receptor. Distribution of this binding site varied among rat tissues, with the highest amount of binding appearing in lung, liver, and brain. Among brain regions, distribution of the [32P]MRS2500 binding site varied by six-fold, with the highest and lowest amounts of sites detected in cerebellum and cortex, respectively. Taken together, these data illustrate the synthesis and characterization of a novel P2Y1 receptor radioligand and its utility for examining P2Y1 receptor expression in native mammalian tissues.

Indexed as

Adenosine DiphosphateAnimalsBrainDeoxyadenine NucleotidesMalePhosphorus RadioisotopesPurinergic P2 Receptor AntagonistsRadioligand AssayRatsRats, Sprague-DawleyReceptors, Purinergic P2Receptors, Purinergic P2Y12-chloro-N6-methyl-(N)-methanocarba-2'-deoxyadenosine-3',5'-bisphosphate2-iodo-N(6)-methyl-(N)-methanocarba-2'-deoxyadenosine-3',5'-bisphosphateAdenosine DiphosphateDeoxyadenine NucleotidesP2RY1 protein, humanP2ry1 protein, ratPhosphorus RadioisotopesPurinergic P2 Receptor AntagonistsReceptors, Purinergic P2Receptors, Purinergic P2Y1

Identifiers

PMID16299552
PMCPMC1616982
OpenAlexW2113076620

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.