Evidence map›Paper›PMID 21673803›Full record

ArticlePloS one2011

Direct observation of dimerization between different CREB1 isoforms in a living cell.

Hisayo Sadamoto, Kenta Saito, Hideki Muto, Masataka Kinjo, Etsuro Ito

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.9field-weighted citation impact, top 7% 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

14 citing papers in PubMed, 22 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Multi-faceted regulation of CREB family transcription factors.Frontiers in molecular neuroscience · 2024
    Review
  5. Review
  6. Review
  7. Article
  8. Function of insulin in snail brain in associative learning.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2015
    Review
  9. Article
  10. Involvement of insulin-like peptide in long-term synaptic plasticity and long-term memory of the pond snail Lymnaea stagnalis.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013
    Article
  11. Article
  12. Correcting for spectral cross-talk in dual-color fluorescence cross-correlation spectroscopy.Chemphyschem : a European journal of chemical physics and physical chemistry · 2012
    Article
  13. Article
  14. Review
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 2 institutions in 1 country.

Hisayo SadamotoLaboratory of Functional Biology, Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, Sanuki, Japan. sadamotoh@kph.bunri-u.ac.jp
Kenta Saito
Hideki Muto
Masataka Kinjo
Etsuro Ito
Hokkaido University · JPTokushima Bunri University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cyclic AMP-responsive element binding protein 1 (CREB1) plays multiple functions as a transcription factor in gene regulation. CREB1 proteins are also known to be expressed in several spliced isoforms that act as transcriptional activators or repressors. The activator isoforms, possessing the functional domains for kinase induction and for interaction with other transcriptional regulators, act as transcriptional activators. On the other hand, some isoforms, lacking those functional domains, are reported to be repressors that make heterodimers with activator isoforms. The complex and ingenious function for CREB1 arises in part from the variation in their spliced isoforms, which allows them to interact with each other. To date, however, the dimerization between the activator and repressor isoforms has not yet been proved directly in living cells. In this study, we applied fluorescence cross-correlation spectroscopy (FCCS) to demonstrate direct observation of dimerization between CREB1 activator and repressor. The FCCS is a well established spectroscopic method to determine the interaction between the different fluorescent molecules in the aqueous condition. Using differently labeled CREB1 isoforms, we successfully observed the interaction of CREB1 activator and repressor via dimerization in the nuclei of cultured cells. As a result, we confirmed the formation of heterodimer between CREB1 activator and repressor isoforms in living cells.

Indexed as

Protein MultimerizationAnimalsCell NucleusCell SurvivalCyclic AMP Response Element-Binding ProteinHeLa CellsHumansLymnaeaProtein IsoformsProtein Structure, QuaternaryRepressor ProteinsSpectrometry, FluorescenceTranscriptional ActivationCyclic AMP Response Element-Binding ProteinProtein IsoformsRepressor Proteins

Identifiers

PMID21673803
PMCPMC3105992
OpenAlexW2166977752

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.