Evidence map›Paper›PMID 31571016›Full record

ArticleClinical & experimental metastasis2020

PTEN loss activates a functional AKT/CXCR4 signaling axis to potentiate tumor growth and lung metastasis in human osteosarcoma cells.

Yongming Xi, Zonghua Qi, Jinfeng Ma, Yan Chen

Abstract read
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In one paragraph

Article in Clinical & experimental metastasis, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.5field-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

16 citing papers in PubMed, 24 citations in OpenAlex.

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  11. Implication ofMolecular cancer therapeutics · 2020
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  13. Fractalkine/CX3CL1 in Neoplastic Processes.International journal of molecular sciences · 2020
    Review
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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 3 institutions in 2 countries.

Yongming XiDepartment of Orthopaedics, Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, China. yongming_xi@yahoo.com.
Zonghua QiDepartment of Orthopaedics, Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, China.
Jinfeng MaDepartment of Orthopaedics, Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, China.
Yan ChenDivision in Signaling Biology, Princess Margaret Cancer Center, University Health Network, Rm 13-301, TMDT Bldg, 101 College St., Toronto, Canada. yyanchen@yahoo.com.
Affiliated Hospital of Qingdao University · CNQingdao University · CNUniversity Health Network · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Osteosarcoma (OS) is the most common primary malignant bone tumor in children and adolescents. Loss of the tumor suppressor PTEN or activation of chemokine receptor CXCR4 has been demonstrated to associate with OS respectively. However, the signaling mechanism underlying PTEN-mediated antitumor effect remains largely unknown, and the crosstalk between PTEN and CXCR4 in OS has not been investigated. Here, we uncover a PTEN/AKT/CXCR4 pathway nexus in highly tumorigenic and metastatic human 143B OS cells. Loss of PTEN activates AKT/CXCR4 signaling axis and regulates a series of tumor cell behaviors. Notably, ERK is inversely regulated by PTEN and its activation occurs downstream of AKT but upstream of CXCR4, suggesting this kinase to be an important mediator between AKT and CXCR4. In vivo studies show that overexpression of PTEN dramatically attenuates bone destruction, and this inhibition is associated with reduced CXCR4 expression in tumors. CXCR4 inhibitor AMD3100 also markedly suppresses tumor growth in the bone. In addition, PTEN overexpression or AMD3100 substantially inhibits tumor expansion in the lung. Our studies highlight a novel PTEN/AKT/CXCR4 signaling nexus in OS tumor growth and lung metastasis, and provide a strong rationale to consider PTEN restoration or CXCR4 blockade for the treatment of aggressive OS in humans.

Indexed as

AnimalsBenzylaminesBone and BonesBone NeoplasmsCell Line, TumorCyclamsDown-RegulationGene Knockdown TechniquesHeterocyclic CompoundsHumansLungLung NeoplasmsMaleMiceOsteosarcomaProto-Oncogene Proteins c-aktAKT1 protein, humanBenzylaminesCXCR4 protein, humanCyclamsHeterocyclic CompoundsplerixaforProto-Oncogene Proteins c-aktPTEN PhosphohydrolasePTEN protein, humanReceptors, CXCR4RNA, Small InterferingAKTCXCR4ERKLung metastasisOsteosarcomaPTEN

Identifiers

PMID31571016
OpenAlexW2977373736

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.