Evidence map›Paper›PMID 23963802›Full record

ArticleCancer prevention research (Philadelphia, Pa.)2013

Vitamin E δ-tocotrienol prolongs survival in the LSL-KrasG12D/+;LSL-Trp53R172H/+;Pdx-1-Cre (KPC) transgenic mouse model of pancreatic cancer.

Kazim Husain, Barbara A Centeno, Dung-Tsa Chen, Sunil R Hingorani, Said M Sebti, Mokenge P Malafa

Open access · bronzeAbstract read
In one paragraph

Article in Cancer prevention research (Philadelphia, Pa.), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.0field-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

23 citing papers in PubMed, 39 citations in OpenAlex.

  1. Review
  2. Vitamin E in the management of pancreatic cancer: A scoping review.World journal of gastrointestinal oncology · 2023
    Article
  3. Clinical and Molecular Attributes and Evaluation of Pancreatic Cystic Neoplasm.Biochimica et biophysica acta. Reviews on cancer · 2023
    Review
  4. Article
  5. Vitamin E beyond Its Antioxidant Label.Antioxidants (Basel, Switzerland) · 2021
    Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Treating pancreatic cancer: more antioxidants more problems?Expert review of gastroenterology & hepatology · 2018
    Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  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

6 authors at 3 institutions in 1 country.

Kazim HusainDepartment of Gastrointestinal Oncology, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612. mokenge.malafa@moffitt.org.
Barbara A Centeno
Dung-Tsa Chen
Sunil R Hingorani
Said M Sebti
Mokenge P Malafa
Fred Hutch Cancer Center · USCancer Research Center · USMoffitt Cancer Center · US

Funding

TRANSLATIONAL RESEARCHP30CA076292 · NCI · UNIVERSITY OF SOUTH FLORIDA · PI KENNETH Lynn WRIGHT · 1998 to 2026
$93.5M
Intervention of Pancreatic Oncogenic Pathways with Dietary TocotrienolR01CA129227 · NCI · H. LEE MOFFITT CANCER CTR & RES INST · PI MALAFA, MOKENGE P. · 2008 to 2012
$3.2M
NCI NIH HHS 1R01 CA-129227-01A1NCI NIH HHS P30 CA076292NCI NIH HHS R01 CA129227
6 · The paper itself

Abstract

Previous work has shown that vitamin E δ-tocotrienol (VEDT) prolongs survival and delays progression of pancreatic cancer in the LSL-Kras(G12D)(/+);Pdx-1-Cre mouse model of pancreatic cancer. However, the effect of VEDT alone or in combination with gemcitabine in the more aggressive LSL-Kras(G12D)(/+);LSL-Trp53(R172H)(/+);Pdx-1-Cre (KPC) mouse model is unknown. Here, we studied the effects of VEDT and the combination of VEDT and gemcitabine in the KPC mice. KPC mice were randomized into four groups: (i) vehicle [olive oil, 1.0 mL/kg per os twice a day and PBS 1.0 mL/kg intrapertoneally (i.p.) twice a week], (ii) gemcitabine (100 mg/kg i.p. twice a week), (iii) VEDT (200 mg/kg per os twice a day), and (iv) gemcitabine + VEDT. Mice received treatment until they displayed symptoms of impending death from pancreatic cancer, at which point animals were euthanized. At 16 weeks, survival was 10% in the vehicle group, 30% in the gemcitabine group, 70% in the VEDT group (P < 0.01), and 90% in the VEDT combined with gemcitabine group (P < 0.05). VEDT alone and combined with gemcitabine resulted in reversal of epithelial-to-mesenchymal transition in tumors. Biomarkers of apoptosis (plasma CK18), PARP1 cleavage, and Bax expression were more greatly induced in tumors subjected to combined treatment versus individual treatment. Combined treatment induced cell-cycle inhibitors (p27(Kip1) and p21(Cip1)) and inhibited VEGF, vascularity (CD31), and oncogenic signaling (pAKT, pMEK, and pERK) greater than individual drugs. No significant differences in body weight gain between drug treatment and control mice were observed. These results strongly support further investigation of VEDT alone and in combination with gemcitabine for pancreatic cancer prevention and treatment.

Indexed as

AnimalsApoptosisbcl-2-Associated X ProteinBiomarkers, TumorBody WeightCell ProliferationCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27DeoxycytidineDisease Models, AnimalDrug Therapy, CombinationEnzyme-Linked Immunosorbent AssayEpithelial-Mesenchymal TransitionFemaleGemcitabineGenes, rasbcl-2-Associated X ProteinBiomarkers, TumorCdkn1a protein, mouseCdkn1b protein, mouseCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27DeoxycytidineGemcitabinePlatelet Endothelial Cell Adhesion Molecule-1Poly(ADP-ribose) Polymerasestocotrienol, deltaVitamin E

Identifiers

PMID23963802
PMCPMC4165552
OpenAlexW2010319640

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.