Evidence map›Paper›PMID 22722333›Full record

ArticleCell death and differentiation2012

Blocking p55PIK signaling inhibits proliferation and induces differentiation of leukemia cells.

G Wang, Y Deng, X Cao, S Lai, Y Tong, X Luo, Y Feng, X Xia, J Gong, J Hu

Erratum issuedOpen access · bronzeAbstract read
In one paragraph

Article in Cell death and differentiation, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

17 citing papers in PubMed, 28 citations in OpenAlex.

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  15. p55γ functional mimetic peptide N24 blocks vascular proliferative disorders.Journal of molecular medicine (Berlin, Germany) · 2015
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4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

G WangCancer Research Institute, Tongji Hospital, Huazhong University of Science and Technology, Wuhan 430030, China.
Y Deng
X Cao
S Lai
Y Tong
X Luo
Y Feng
X Xia
J Gong
J Hu
Tongji Hospital · CNHuazhong University of Science and Technology · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

p55PIK, a regulatory subunit of phosphatidylinositol 3-kinases, promotes cell cycle progression by interacting with cell cycle modulators such as retinoblastoma protein (Rb) via its unique amino-terminal 24 amino-acid residue (N24). Overexpression of N24 specifically inhibits these interactions and leads to cell cycle arrest. Herein, we describe the generation of a fusion protein (Tat transactivator protein (TAT)-N24) that contains the protein transduction domain and N24, and examined its effects on the proliferation and differentiation of leukemia cells. TAT-N24 not only blocks cell proliferation but remarkably induces differentiation of leukemia cells in vitro and in vivo. Systemically administered TAT-N24 also significantly decreases growth of leukemia cell tumors in animal models. Furthermore, overexpression of p55PIK in leukemia cells leads to increased proliferation; however, TAT-N24 blocks this effect and concomitantly induces differentiation. There is significant upregulation of p55PIK mRNA and protein expression in leukemia cells from patients. TAT-N24 inhibits cell cycle progression and induces differentiation of bone marrow cells derived from patients with several different types of leukemia. These results show that cell-permeable N24 peptide induces leukemia cell differentiation and suggest that p55PIK may be a novel drug target for the treatment of hematopoetic malignancies.

Indexed as

Signal TransductionAnimalsCD11b AntigenCell Cycle CheckpointsCell DifferentiationCell ProliferationGene Products, tatHL-60 CellsHumansK562 CellsLeukemiaLipopolysaccharide ReceptorsMiceMice, NudePhosphatidylinositol 3-KinasesRecombinant Fusion ProteinsCD11b AntigenGene Products, tatLipopolysaccharide ReceptorsPhosphatidylinositol 3-KinasesPIK3R3 protein, humanRecombinant Fusion Proteins

Identifiers

PMID22722333
PMCPMC3469064
OpenAlexW2038856498

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.