Evidence map›Paper›PMID 10597260›Full record

ArticleOncogene1999

Protein kinase C-alpha overexpression stimulates Akt activity and suppresses apoptosis induced by interleukin 3 withdrawal.

W Li, J Zhang, L Flechner, T Hyun, A Yam, T F Franke, J H Pierce

Abstract read
PubMed Publisher
In one paragraph

Article in Oncogene, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
3.1field-weighted citation impact, top 8% 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

32 citing papers in PubMed, 106 citations in OpenAlex.

  1. Review
  2. PKCActa pharmaceutica Sinica. B · 2024
    Article
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  5. The specific PKC-α inhibitor chelerythrine blunts costunolide-induced eryptosis.Apoptosis : an international journal on programmed cell death · 2020
    Article
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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

7 authors at 2 institutions in 1 country.

W LiLaboratory of Cellular and Molecular Biology, National Cancer Institute, Bethesda, Maryland, MD 20892, USA.
J Zhang
L Flechner
T Hyun
A Yam
T F Franke
J H Pierce
National Cancer Institute · USColumbia University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To investigate the role of protein kinase C (PKC) in apoptotic signaling induced by cytokine withdrawal, we expressed PKC-alpha, -delta and -epsilon individually in the 32D myeloid progenitor cells. The parental and PKC-delta- and PKC-epsilon-transfected 32D cells underwent apoptosis within 24 h in the absence of interleukin 3. In contrast, expression of PKC-alpha inhibited the onset of apoptosis as determined by genomic DNA fragmentation and flow cytometric analysis. Correlating with the inhibition of apoptosis, PKC-alpha transfectants exhibited increased activity of the endogenous Akt serine/threonine kinase. Furthermore, PKC-alpha, but not PKC-delta or -epsilon, specifically activated overexpressed Akt. PKC-alpha-induced Akt activity was partially dependent on phosphoinositol 3' kinase (PI 3'K) since a PI 3'K inhibitor was able to suppress PKC-alpha-induced Akt activation. Both basal and interleukin 3-stimulated phosphorylation of Akt on serine 473 was enhanced in the PKC-alpha and Akt contransfectants. Coexpression of wild type Akt and PKC-alpha resulted in greater suppression of apoptosis than PKC-alpha expression alone. Together, our results demonstrate that suppression of apoptosis by PKC-alpha correlates with its ability of activating endogenous Akt. Furthermore, activation of overexpressed Akt by PKC-alpha is consistent with their synergistic effect on suppressing apoptosis, providing the strong evidence of cross talk between Akt and PKC-alpha.

Indexed as

ApoptosisProtein Serine-Threonine KinasesAndrostadienesCell LineDNA ReplicationEnzyme InhibitorsInterleukin-3IsoenzymesPhosphorylationProtein Kinase CProtein Kinase C-alphaProto-Oncogene ProteinsProto-Oncogene Proteins c-aktSerineTransfectionWortmanninAndrostadienesEnzyme InhibitorsInterleukin-3IsoenzymesProtein Kinase CProtein Kinase C-alphaProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktSerineWortmannin

Identifiers

PMID10597260
OpenAlexW2323808050

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.