Evidence map›Paper›PMID 15023541›Full record

ArticleExperimental cell research2004

Extracellular alpha 6 integrin cleavage by urokinase-type plasminogen activator in human prostate cancer.

Manolis C Demetriou, Michael E Pennington, Raymond B Nagle, Anne E Cress

Open access · greenAbstract read
In one paragraph

Article in Experimental cell research, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
1.5field-weighted citation impact, top 20% 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

34 citing papers in PubMed, 54 citations in OpenAlex.

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  20. Urokinase-type plasminogen activator inhibits efferocytosis of neutrophils.American journal of respiratory and critical care medicine · 2010
    Article
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.

Manolis C DemetriouDepartment of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA.
Michael E Pennington
Raymond B Nagle
Anne E Cress
University of Arizona · US

Funding

VITAMIN AP30CA023074 · NCI · UNIVERSITY OF ARIZONA · PI Dan Theodorescu · 1985 to 2026
$110.2M
ROLE OF METALLOPROTEINASES AND TIMP IN HUMAN PROSTATE CELL INVASIONP01CA056666 · NCI · UNIVERSITY OF ARIZONA · PI HEIMARK, RONALD L. · 1993 to 2008
$6.3M
RADIATION SIGNALING THROUGH THE ALPHA6 BETA4 INTEGRINR01CA075152 · NCI · UNIVERSITY OF ARIZONA · PI CRESS, ANNE ELIZABETH · 1998 to 2005
$1.5M
NCI NIH HHS CA23074NCI NIH HHS CA56666NCI NIH HHS CA75152NCI NIH HHS P01 CA056666NCI NIH HHS P30 CA023074NCI NIH HHS R01 CA075152
6 · The paper itself

Abstract

During human prostate cancer progression, the integrin alpha6beta1 (laminin receptor) is expressed on the cancer cell surface during invasion and in lymph node metastases. We previously identified a novel structural variant of the alpha6 integrin called alpha6p. This variant was produced on the cell surface and was missing the beta-barrel extracellular domain. Using several different concentrations of amiloride, aminobenzamidine and PAI-1 and the urokinase-type plasminogen activator (uPA) function-blocking antibody (3689), we showed that uPA, acting as a protease, is responsible for production of alpha6p. We also showed that addition of uPA in the culture media of cells that do not produce alpha6p, resulted in a dose-dependent alpha6p production. In contrast, the addition of uPA did not result in the cleavage of other integrins. Using alpha2-antiplasmin and plasmin depleted media, we observed that uPA cleaves the alpha6 integrin directly. Further, 12-o-tetradecanoyl-phorbol-13-acetate (TPA) induced the production of alpha6p, and this induction was abolished by PAI-1 but not alpha2-antiplasmin. Finally, the alpha6p integrin variant was detected in invasive human prostate carcinoma tissue indicating that this is not a tissue culture phenomenon. These data, taken together, suggest that this is a novel function of uPA, that is, to remove the beta-barrel ligand-binding domain of the integrin while preserving its heterodimer association.

Indexed as

AntibodiesCarcinogensCarcinomaCell Line, TumorCell MembraneDimerizationEnzyme InhibitorsExtracellular FluidFibrinolysinHumansIntegrin alpha6MaleNeoplasm InvasivenessNeoplasm MetastasisProstatic NeoplasmsProtein BindingAntibodiesCarcinogensEnzyme InhibitorsFibrinolysinIntegrin alpha6Urokinase-Type Plasminogen Activator

Identifiers

PMID15023541
PMCPMC2715336
OpenAlexW2143035540

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.