Evidence map›Paper›PMID 21057545›Full record

ArticleOncogene2011

Collagen regulation of let-7 in pancreatic cancer involves TGF-β1-mediated membrane type 1-matrix metalloproteinase expression.

S Dangi-Garimella, M J Strouch, P J Grippo, D J Bentrem, H G Munshi

Abstract read
In one paragraph

Article in Oncogene, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
3.2field-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

43 citing papers in PubMed, 74 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. miRNAs as Biomarkers in Diabetes: Moving towards Precision Medicine.International journal of molecular sciences · 2022
    Review
  5. Chemoresistance TransmissionFrontiers in oncology · 2022
    Article
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. The Expanding Role of MT1-MMP in Cancer Progression.Pharmaceuticals (Basel, Switzerland) · 2019
    Review
  12. Article
  13. Review
  14. Observational
  15. The role of microRNAs in myopia.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2017
    Review
  16. Article
  17. Article
  18. Article
  19. Review
  20. Review
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

5 authors at 2 institutions in 1 country.

S Dangi-GarimellaDivision of Hematology/Oncology, Department of Medicine, Northwestern University Medical School, Chicago, IL, USA. s-dangi-garimella@northwestern.edu
M J Strouch
P J Grippo
D J Bentrem
H G Munshi
Northwestern University · USNorthwestern Medical Faculty Foundation · US

Funding

MULTIDISCIPLINARY CLINICAL AND TRANSLATIONAL SCIENCE (MCTS) PROGRAM (UL1)UL1RR025741 · NCRR · NORTHWESTERN UNIVERSITY AT CHICAGO · PI GREENLAND, PHILIP · 2008 to 2011
$24.7M
Fibrosis-Protease Cross-Talk Regulating Pancreatic Cancer InvasionR01CA126888 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI MUNSHI, HIDAYATULLAH G. · 2008 to 2013
$1.4M
NCI NIH HHS R01 CA126888NCI NIH HHS R01CA126888NCRR NIH HHS UL1 RR025741
6 · The paper itself

Abstract

Pancreatic ductal adenocarcinoma (PDAC) is associated with a pronounced collagen-rich fibrosis known as desmoplastic reaction; however, the role of fibrosis in PDAC is poorly understood. In this report we show that collagen can regulate the tumor suppressive let-7 family of microRNAs in pancreatic cancer cells. PDAC cells growing in 3D collagen gels repress mature let-7 without affecting the precursor form of let-7 in part through increased expression of membrane type 1-matrix metalloproteinase (MT1-MMP, MMP-14) and ERK1/2 activation. PDAC cells in collagen also demonstrate increased TGF-β1 signaling, and blocking TGF-β1 signaling attenuated collagen-induced MT1-MMP expression, ERK1/2 activation and repression of let-7 levels. Although MT1-MMP overexpression was not sufficient to inhibit let-7 on 2D tissue culture plastic, overexpression of MT1-MMP in PDAC cells embedded in 3D collagen gels or grown in vivo repressed let-7 levels. Importantly, MT1-MMP expression significantly correlated with decreased levels of let-7 in human PDAC tumor specimens. Overall, our study emphasizes the interplay between the key proteinase MT1-MMP and its substrate type I collagen in modulating microRNA expression, and identifies an additional mechanism by which fibrosis may contribute to PDAC progression.

Indexed as

AnimalsCarcinoma, Pancreatic DuctalCell Line, TumorCollagen Type IExtracellular MatrixFibrosisGene ExpressionGene Expression Regulation, NeoplasticHumansImmunoblottingMatrix Metalloproteinase 14MiceMice, NudeMicroRNAsPancreatic NeoplasmsReverse Transcriptase Polymerase Chain ReactionCollagen Type IMatrix Metalloproteinase 14MicroRNAsmirnlet7 microRNA, humanMMP14 protein, humanTransforming Growth Factor beta1

Identifiers

PMID21057545
PMCPMC3172057
OpenAlexW2082307198

What OpenQuestion holds

Textmetadata
LicenceTDM
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.