Evidence map›Paper›PMID 11104679›Full record

ArticleThe Biochemical journal2000

Unique kinetics of nicotinic acid-adenine dinucleotide phosphate (NAADP) binding enhance the sensitivity of NAADP receptors for their ligand.

S Patel, G C Churchill, A Galione

Open access · greenAbstract read
In one paragraph

Article in The Biochemical journal, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
3.2field-weighted citation impact, top 9% 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

22 citing papers in PubMed, 57 citations in OpenAlex.

  1. Article
  2. Article
  3. NAADP-Dependent TPC Current.Handbook of experimental pharmacology · 2023
    Article
  4. Questioning regulation of two-pore channels by NAADP.Messenger (Los Angeles, Calif. : Print) · 2013
    Article
  5. Review
  6. The Molecular Basis for CaMessenger (Los Angeles, Calif. : Print) · 2012
    Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Time sensing by NAADP receptors.The Biochemical journal · 2006
    Article
  14. Article
  15. The NAADP receptor: commentary on Billington et al.British journal of pharmacology · 2004
    Review
  16. Triazine dyes are agonists of the NAADP receptor.British journal of pharmacology · 2004
    Article
  17. Article
  18. Article
  19. 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

3 authors at 1 institution in 2 countries.

S PatelDepartment of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK. sandip.patel@pharmacology.oxford.ac.uk
G C Churchill
A Galione
Mansfield University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nicotinic acid-adenine dinucleotide phosphate (NAADP) is a novel and potent Ca(2+)-mobilizing agent in sea urchin eggs and other cell types. Little is known, however, concerning the properties of the putative intracellular NAADP receptor. In the present study we have characterized NAADP binding sites in sea urchin egg homogenates. [(32)P]NAADP bound to a single class of high-affinity sites that were reversibly inhibited by NaCl but insensitive to pH and Ca(2+). Binding of [(32)P]NAADP was lost in preparations that did not mobilize Ca(2+) in response to NAADP, indicating that [(32)P]NAADP probably binds to a receptor mediating Ca(2+) mobilization. Addition of excess unlabelled NAADP, at various times after initiation of [(32)P]NAADP binding, did not result in displacement of bound [(32)P]NAADP. These data show that NAADP becomes irreversibly bound to its receptor immediately upon association. Accordingly, incubation of homogenates with low concentrations of NAADP resulted in maximal labelling of NAADP binding sites. This unique property renders NAADP receptors exquisitely sensitive to their ligand, thereby allowing detection of minute changes in NAADP levels.

Indexed as

Adenosine Diphosphate RiboseAnimalsBinding SitesCalciumCalcium SignalingCell ExtractsCyclic ADP-RiboseHydrogen-Ion ConcentrationInositol 1,4,5-TrisphosphateKineticsLigandsNADPOvumProtein BindingSea UrchinsSodium ChlorideAdenosine Diphosphate RiboseCalciumCell ExtractsCyclic ADP-RiboseInositol 1,4,5-TrisphosphateLigandsNAADPNADPSodium Chloride

Identifiers

PMID11104679
PMCPMC1221510
OpenAlexW1980615710

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.