Evidence map›Paper›PMID 28289921›Full record

ArticleClinical & experimental metastasis2017

Genome-wide in vivo RNAi screen identifies ITIH5 as a metastasis suppressor in pancreatic cancer.

Ken Sasaki, Hiroshi Kurahara, Eric D Young, Shoji Natsugoe, Asami Ijichi, Tomoo Iwakuma, Danny R Welch

Open access · greenAbstract read
In one paragraph

Article in Clinical & experimental metastasis, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.3field-weighted citation impact, top 18% 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

21 citing papers in PubMed, 33 citations in OpenAlex.

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  17. The Inter-α-Trypsin Inhibitor Family: Versatile Molecules in Biology and Pathology.The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society · 2020
    Review
  18. International journal of molecular sciences · 2020
    Article
  19. Article
  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

7 authors at 1 institution in 2 countries.

Ken SasakiDepartment of Cancer Biology, The University of Kansas Medical Center, 3901 Rainbow Blvd, Mail Stop 1071, Kansas City, KS, 66160, USA.
Hiroshi KuraharaDepartment of Cancer Biology, The University of Kansas Medical Center, 3901 Rainbow Blvd, Mail Stop 1071, Kansas City, KS, 66160, USA.
Eric D YoungDepartment of Cancer Biology, The University of Kansas Medical Center, 3901 Rainbow Blvd, Mail Stop 1071, Kansas City, KS, 66160, USA.
Shoji NatsugoeDepartment of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, 8-35-1, Sakuragaoka, Kagoshima, 890-8520, Japan.
Asami IjichiDepartment of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, 8-35-1, Sakuragaoka, Kagoshima, 890-8520, Japan.
Tomoo IwakumaDepartment of Cancer Biology, The University of Kansas Medical Center, 3901 Rainbow Blvd, Mail Stop 1071, Kansas City, KS, 66160, USA. tiwakuma@kumc.edu.
Danny R WelchDepartment of Cancer Biology, The University of Kansas Medical Center, 3901 Rainbow Blvd, Mail Stop 1071, Kansas City, KS, 66160, USA. dwelch@kumc.edu.ORCID 0000-0002-1951-4947
Kagoshima University · JP

Funding

Transgenic & Gene-Targeting Shared ResourceP30CA168524 · NCI · UNIVERSITY OF KANSAS MEDICAL CENTER · PI NICOLE L NOLLEN · 2012 to 2026
$40.1M
The role of MDM2-MTBP axis in cancer metastasisR01CA174735 · NCI · UNIVERSITY OF KANSAS MEDICAL CENTER · PI IWAKUMA, TOMOO · 2014 to 2018
$1.6M
KISS1: Defining Mechanisms for Antimetastatic TherapyR01CA134981 · NCI · UNIVERSITY OF KANSAS MEDICAL CENTER · PI WELCH, DANNY R. · 2009 to 2014
$1.5M
NCI NIH HHS P30 CA168524NCI NIH HHS R01 CA134981NCI NIH HHS R01 CA174735
6 · The paper itself

Abstract

The overwhelming majority of pancreatic ductal adenocarcinoma (PDAC) is not diagnosed until the cancer has metastasized, leading to an abysmal average life expectancy (3-6 months post-diagnosis). Earlier detection and more effective treatments have been hampered by inadequate understanding of the underlying molecular mechanisms controlling metastasis. We hypothesized that metastasis suppressors are involved in controlling metastasis in pancreatic cancer. Using an unbiased genome-wide shRNA screen, an shRNA library was transduced into the non-metastatic PDAC line S2-028 followed by intrasplenic injection. Resulting liver metastases were individually isolated from these mice. One liver metastatic nodule contained shRNA for ITIH5 (Inter-alpha-trypsin inhibitor heavy chain 5), suggesting that ITIH5 may act as a metastasis suppressor. Consistent with this notion, metastatic PDAC cell lines had significantly lower protein expression of ITIH5 compared to immortalized pancreatic ductal epithelial cells and non-/poorly-metastatic PDAC cell lines. By manipulating expression of ITIH5 in different PDAC cell lines (over-expression in metastatic, knockdown in non-metastatic) functional and selective regulation of metastasis was observed for ITIH5. Orthotopic tumor growth of PDAC cells was not blocked following orthotopic injection. In vitro ITIH5 over-expression inhibited motility and invasion. Immunohistochemical analysis of a human PDAC tissue microarray revealed that ITIH5 expression inversely correlated with both survival and invasion/metastasis. ITIH5 is, therefore, functionally validated as a PDAC metastasis suppressor and shows promise as a prognostic biomarker.

Indexed as

Genome, HumanAdultAgedAged, 80 and overAnimalsApoptosisBiomarkers, TumorCell ProliferationFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticHigh-Throughput Screening AssaysHumansLiver NeoplasmsMaleMiceBiomarkers, TumorITIH5 protein, humanProteinase Inhibitory Proteins, SecretoryRNA, Small InterferingITIH5Metastasis suppressorPancreatic cancerRNAi screen

Identifiers

PMID28289921
PMCPMC5450640
OpenAlexW2595257297

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.