Evidence map›Paper›PMID 27322059›Full record

ArticleThe Journal of clinical investigation2016

CKAP4 is a Dickkopf1 receptor and is involved in tumor progression.

Hirokazu Kimura, Katsumi Fumoto, Kensaku Shojima, Satoshi Nojima, Yoshihito Osugi, Hideo Tomihara, Hidetoshi Eguchi, Yasushi Shintani, Hiroko Endo, Masahiro Inoue and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 118 papers.

0numbers the graph read from it
0cells of the map it votes in
118citing papers in PubMed
7.8field-weighted citation impact, top 2% 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

118 citing papers in PubMed, 179 citations in OpenAlex.

  1. Trial
  2. Article
  3. Review
  4. Article
  5. Review
  6. Review
  7. Article
  8. MECP2 Insufficiency Attenuates RUNX2-Dependent Osteoblast Differentiation via miR-126-3p/DKK1-Mediated Canonical Wnt Signaling Inhibition in Rett Syndrome.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
    Article
  9. DKK1 Suppresses Hippo Signaling via PIPCancer communications (London, England) · 2026
    Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Review
  17. Article
  18. Review
  19. Article
  20. Article

58 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors at 3 institutions in 2 countries.

Hirokazu Kimura
Katsumi Fumoto
Kensaku Shojima
Satoshi Nojima
Yoshihito Osugi
Hideo Tomihara
Hidetoshi Eguchi
Yasushi Shintani
Hiroko Endo
Masahiro Inoue
Yuichiro Doki
Meinoshin Okumura
Eiichi Morii
Akira Kikuchi
American Gastroenterological Association · USOsaka Medical Center for Cancer and Cardiovascular Diseases · JPOsaka University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Dickkopf1 (DKK1) is a secretory protein that antagonizes oncogenic Wnt signaling by binding to the Wnt coreceptor low-density lipoprotein receptor-related protein 6 (LRP6). DKK1 may also regulate its own signaling to promote cancer cell proliferation, but the mechanism is not understood. Here, we identified cytoskeleton-associated protein 4 (CKAP4) as a DKK1 receptor and evaluated CKAP4-mediated DKK1 signaling in cancer cell proliferation. We determined that DKK1 binds CKAP4 and LRP6 with similar affinity but interacts with these 2 receptors with different cysteine-rich domains. DKK1 induced internalization of CKAP4 in a clathrin-dependent manner, further supporting CKAP4 as a receptor for DKK1. DKK1/CKAP4 signaling activated AKT by forming a complex between the proline-rich domain of CKAP4 and the Src homology 3 domain of PI3K, resulting in proliferation of normal cells and cancer cells. Expression of DKK1 and CKAP4 was frequent in tumor lesions of human pancreatic and lung cancers, and simultaneous expression of both proteins in patient tumors was negatively correlated with prognosis and relapse-free survival. An anti-CKAP4 antibody blocked the binding of DKK1 to CKAP4, suppressed AKT activity in a human cancer cell line, and attenuated xenograft tumor formation in immunodeficient mice. Together, our results suggest that CKAP4 is a potential therapeutic target for cancers that express both DKK1 and CKAP4.

Indexed as

Gene Expression Regulation, NeoplasticAdultAgedAged, 80 and overAnimalsCell LineCell Line, TumorCell ProliferationDogsFemaleHep G2 CellsHumansIntercellular Signaling Peptides and ProteinsLung NeoplasmsMaleMembrane ProteinsCKAP4 protein, humanDKK1 protein, humanIntercellular Signaling Peptides and ProteinsMembrane Proteins

Identifiers

PMID27322059
PMCPMC4922689
OpenAlexW2441236057

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.