Evidence map›Paper›PMID 27636742›Full record

ArticleCancer science2016

Metformin inhibits estrogen-dependent endometrial cancer cell growth by activating the AMPK-FOXO1 signal pathway.

Jingfang Zou, Liangli Hong, Chaohuan Luo, Zhi Li, Yuzhang Zhu, Tianliang Huang, Yongneng Zhang, Huier Yuan, Yaqiu Hu, Tengfei Wen and 5 more

Open access · goldAbstract read
In one paragraph

Article in Cancer science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
3.3field-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

36 citing papers in PubMed, 50 citations in OpenAlex.

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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

15 authors at 2 institutions in 1 country.

Jingfang ZouDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Liangli HongDepartments of Pathology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Chaohuan LuoDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Zhi LiDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Yuzhang ZhuDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Tianliang HuangDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Yongneng ZhangDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Huier YuanDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Yaqiu HuDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Tengfei WenDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Wanling ZhuangDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Bozhi CaiThe Laboratory of Molecular Cardiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Xin ZhangThe Laboratory of Molecular Cardiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Jiexiong HuangDepartments of Pathology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Jidong ChengDepartments of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Shantou University · CNFirst Affiliated Hospital of Shantou University Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Metformin is an oral biguanide commonly used for treating type II diabetes and has recently been reported to possess antiproliferative properties that can be exploited for the prevention and treatment of a variety of cancers. The mechanisms underlying this effect have not been fully elucidated. Our study shows a marked loss of AMP-activated protein kinase (AMPK) phosphorylation and nuclear human Forkhead box O1 (FOXO1) protein in estrogen-dependent endometrial cancer (EC) tumors compared to normal control endometrium. Metformin treatment suppressed EC cell growth in a time-dependent manner in vitro; this effect was cancelled by cotreatment with an AMPK inhibitor, compound C. Metformin decreased FOXO1 phosphorylation and increased FOXO1 nuclear localization in Ishikawa and HEC-1B cells, with non-significant increase in FOXO1 mRNA expression. Moreover, compound C blocked the metformin-induced changes of FOXO1 and its phosphorylation protein, suggesting that metformin upregulated FOXO1 activity by AMPK activation. Similar results were obtained after treatment with insulin. In addition, transfection with siRNA for FOXO1 cancelled metformin-inhibited cell growth, indicating that FOXO1 mediated metformin to inhibit EC cell proliferation. A xenograft mouse model further revealed that metformin suppressed HEC-1B tumor growth, accompanied by downregulated ki-67 and upregulated AMPK phosphorylation and nuclear FOXO1 protein. Taken together, these data provide a novel mechanism of antineoplastic effect for metformin through the regulation of FOXO1, and suggest that the AMPK-FOXO1 pathway may be a therapeutic target to the development of new antineoplastic drugs.

Indexed as

AdultAgedAMP-Activated Protein KinasesAnimalsCell Line, TumorCell ProliferationDisease Models, AnimalEndometrial NeoplasmsEnzyme ActivationEstrogensFemaleForkhead Box Protein O1HumansMetforminMiceMiddle AgedAMP-Activated Protein KinasesEstrogensForkhead Box Protein O1FOXO1 protein, humanMetforminAMPKestrogen-dependent endometrial cancerFOXO1metforminproliferation

Identifiers

PMID27636742
PMCPMC5198961
OpenAlexW2518669575

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.