Evidence map›Paper›PMID 15121849›Full record

ArticleMolecular and cellular biology2004

Visualization of Myc/Max/Mad family dimers and the competition for dimerization in living cells.

Asya V Grinberg, Chang-Deng Hu, Tom K Kerppola

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
4.9field-weighted citation impact, top 4% 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

62 citing papers in PubMed, 168 citations in OpenAlex.

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2 more citing papers are in PubMed but not listed here.

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 2 institutions in 1 country.

Asya V GrinbergHoward Hughes Medical Institute and Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0650, USA.
Chang-Deng Hu
Tom K Kerppola
University of Michigan–Ann Arbor · USHoward Hughes Medical Institute · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Myc and Mad family proteins play opposing roles in the control of cell growth and proliferation. We have visualized the subcellular locations of complexes formed by Myc/Max/Mad family proteins using bimolecular fluorescence complementation (BiFC) analysis. Max was recruited to different subnuclear locations by interactions with Myc versus Mad family members. Complexes formed by Max with Mxi1, Mad3, or Mad4 were enriched in nuclear foci, whereas complexes formed with Myc were more uniformly distributed in the nucleoplasm. Mad4 was localized to the cytoplasm when it was expressed separately, and Mad4 was recruited to the nucleus through dimerization with Max. The cytoplasmic localization of Mad4 was determined by a CRM1-dependent nuclear export signal located near the amino terminus. We compared the relative efficiencies of complex formation among Myc, Max, and Mad family proteins in living cells using multicolor BiFC analysis. Max formed heterodimers with the basic helix-loop-helix leucine zipper (bHLHZIP) domain of Myc (bMyc) more efficiently than it formed homodimers. Replacement of two amino acid residues in the leucine zipper of Max reversed the relative efficiencies of homo- and heterodimerization in cells. Surprisingly, Mad3 formed complexes with Max less efficiently than bMyc, whereas Mad4 formed complexes with Max more efficiently than bMyc. The distinct subcellular locations and the differences between the efficiencies of dimerization with Max indicate that Mad3 and Mad4 are likely to modulate transcription activation by Myc at least in part through distinct mechanisms.

Indexed as

Repressor ProteinsTranscription FactorsAmino Acid SequenceAnimalsBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsBasic-Leucine Zipper Transcription FactorsCell DivisionCell LineCOS CellsDimerizationDNADNA-Binding ProteinsHumansMacromolecular SubstancesMiceMolecular Sequence DataBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsBasic-Leucine Zipper Transcription FactorsDNADNA-Binding ProteinsMacromolecular SubstancesMad protein, mouseMAX protein, humanMax protein, mouseMXD1 protein, humanMyc associated factor XProto-Oncogene Proteins c-mycRepressor ProteinsTranscription Factors

Identifiers

PMID15121849
PMCPMC400484
OpenAlexW2145835185

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.