Evidence map›Paper›PMID 12970141›Full record

ArticleGut2003

Phosphatidylinositol 3-kinase mediates proliferative signals in intestinal epithelial cells.

H Sheng, J Shao, C M Townsend, B M Evers

Open access · bronzeAbstract read
In one paragraph

Article in Gut, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing papers in PubMed
2.1field-weighted citation impact, top 13% 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

82 citing papers in PubMed, 143 citations in OpenAlex.

  1. Article
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  3. Molecules (Basel, Switzerland) · 2026
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  13. Improved therapeutic consistency and efficacy of CD317Stem cell research & therapy · 2024
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  17. Review
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  19. Article
  20. Bioinformatic Analysis ofInternational journal of molecular sciences · 2022
    Article

22 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

4 authors at 1 institution in 1 country.

H ShengDepartment of Surgery and Gastrointestinal Research Interdisciplinary Program, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, USA.
J Shao
C M Townsend
B M Evers
The University of Texas Medical Branch at Galveston · US

Funding

TISSUE CULTURE COREP01DK035608 · NIDDK · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI HELLMICH, MARK R · 1986 to 2010
$14.0M
SURGICAL STUDIES OF FUNCTIONAL GENE EXPRESSIONR01DK048498 · NIDDK · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI EVERS, BERNARD MARK · 1996 to 2023
$7.9M
NIDDK NIH HHS P01 DK035608NIDDK NIH HHS P01DK35608NIDDK NIH HHS R01 DK048498NIDDK NIH HHS R01DK48498
6 · The paper itself

Abstract

BACKGROUND AND

aimsDetermination of intracellular signalling pathways that mediate intestinal epithelial proliferation is fundamental to the understanding of the integrity and function of the intestinal tract under normal and diseased conditions. The phosphoinositide 3-kinase (PI3K)/Akt pathway transduces signals initiated by growth factors and is involved in cell proliferation and differentiation. In this study, we assessed the role of PI3K/Akt in transduction of proliferative signals in intestinal epithelial cells.

methodsA rat intestinal epithelial (RIE) cell line and human colorectal cancer HCA-7 and LS-174 cell lines served as in vitro models. The Balb/cJ mouse was the in vivo model.

resultsPI3K activation was critical for G1 cell cycle progression of intestinal epithelial cells. Ectopic expression of either active p110alpha or Akt-1 increased RIE cell proliferation. In vivo experiments demonstrated that PI3K activation was closely associated with the proliferative activity of intestinal mucosa. Treatment of mice with PI3K inhibitors blocked induction of PI3K activity and attenuated intestinal mucosal proliferation associated with oral intake. Epidermal growth factor and transforming growth factor alpha stimulated PI3K activation which was required for growth factor induced expression of cyclin D1.

conclusionsThe PI3K/Akt pathway transduces mitogenic signals from growth factor receptors to the cell cycle machinery and plays a critical role in regulation of intestinal epithelial proliferation.

Indexed as

AnimalsCell DivisionCell Line, TumorColonColonic NeoplasmsEnzyme ActivationEpithelial CellsErbB ReceptorsHumansImmunoblottingImmunohistochemistryMiceMice, Inbred BALB CPhosphatidylinositol 3-KinasesRatsSignal TransductionErbB ReceptorsPhosphatidylinositol 3-Kinases

Identifiers

PMID12970141
PMCPMC1773820
OpenAlexW2089449927

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.