Evidence map›Paper›PMID 2023931›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1991

Protein kinase A- and protein kinase C-regulated interaction of plectin with lamin B and vimentin.

R Foisner, P Traub, G Wiche

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
1.9field-weighted citation impact, top 12% 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

33 citing papers in PubMed, 106 citations in OpenAlex.

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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 1 country.

R FoisnerInstitute of Biochemistry, University of Vienna, Austria.
P Traub
G Wiche
University of Vienna · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Solid-phase binding assays with protein species purified from cultured rat glioma C6 cells and Ehrlich ascites revealed that plectin bound specifically to lamin B but not to lamins A and C. Lamin B interaction was significantly decreased upon in vitro phosphorylation of either lamin B or plectin with protein kinase A or C. In contrast, phosphorylation of plectin with kinase A increased its binding to vimentin, suggesting a different regulation of plectin interactions by this kinase. 32P-radiolabeling of rat glioma C6 cells revealed plectin as a major in vivo target of protein kinase A and protein kinase C. Plectin, present in lysates of dibutyryladenosine 3',5'-cyclic monophosphate-treated cells, showed a 2.5 times higher binding affinity to vimentin than plectin from phorbol ester-treated cells. Furthermore, the relative amounts of plectin in 1% Triton X-100/high salt-insoluble cell fractions decreased to one-fourth of control values upon treating cells with phorbol esters, whereas vimentin was unaffected. This finding suggested a protein kinase C-dependent weakening of plectin interaction with intermediate filaments in vivo. Taken together, these results point to a role of plectin in interlinking cytoskeletal and nuclear elements and suggest that specific protein kinases are involved in regulating these interactions.

Indexed as

Intermediate Filament ProteinsAnimalsBlotting, WesternIntermediate FilamentsIn Vitro TechniquesLaminsLamin Type BNuclear EnvelopeNuclear ProteinsPhosphorylationPlectinProtein BindingProtein Kinase CProtein KinasesProteinsRatsIntermediate Filament ProteinsLaminsLamin Type BNuclear ProteinsPlec protein, ratPlectinProtein Kinase CProtein KinasesProteinsVimentin

Identifiers

PMID2023931
PMCPMC51543
OpenAlexW2071563497

What OpenQuestion holds

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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.