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Metformin treatment exerts antiinvasive and antimetastatic effects in human endometrial carcinoma cells
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Tan, Bee K., Adya, Raghu, Chen, Jing, Lehnert, Hendrik, Cassia, Louis J. Sant and Randeva, Harpal S. (2011) Metformin treatment exerts antiinvasive and antimetastatic effects in human endometrial carcinoma cells. Journal of Clinical Endocrinology & Metabolism , Vol.96 (No.3). pp. 808-816. doi:10.1210/jc.2010-1803
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Official URL: http://dx.doi.org/10.1210/jc.2010-1803
Abstract
Context: Polycystic ovary syndrome (PCOS) is the most common endocrinopathy in women associated with an increased risk of endometrial hyperplasia. We sought to study the effects of metformin treatment (widely used in the management of PCOS women) on human endometrial adenocarcinoma cells.
Objectives: To study the effects of metformin treatment on in vitro invasion and metastasis in human endometrial adenocarcinoma cells. Also, given the link between inflammation with endometrial cancer invasion and metastasis, we explored the roles of nuclear factor-kappa B (NF-kappa B), matrix metalloproteinases (MMPs) as well as v-akt murine thymoma viral oncogene homolog 1 (Akt) and extracellular signal-regulated kinases (Erk(1/2)) signaling pathways.
Design: Sera were obtained from PCOS and control subjects. In vitro invasion were assessed in human endometrial cells (ECC-1 cells) by wound-healing motility and migration assays. NF-kappa B was studied by stably transfecting ECC-1 cells with acis- reporter plasmid containing luciferase reporter gene linked to five repeats of NF-kappa B binding sites. The gelatinolytic activities of secreted MMP-2/9 in conditioned media were measured by gelatin zymography. Akt and Erk(1/2) phosphorylation were assessed by Western blotting.
Results: In vitro invasion in ECC-1 cells was significantly attenuated by sera from PCOS women after 6 months of metformin treatment (850 mg twice daily) compared to matched controls (P < 0.01). These effects appear to be associated with NF-kappa B, MMP-2/9, as well as Akt and Erk(1/2) pathways that are known to be important regulators of inflammation, tumor invasion and metastasis.
Conclusions: Metformin, potentially, may serve as adjuvant treatment in the management of patients with endometrial cancer. (J Clin Endocrinol Metab 96: 808-816, 2011)
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer) | ||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Biomedical Sciences > Translational & Experimental Medicine > Metabolic and Vascular Health (- until July 2016) Faculty of Medicine > Warwick Medical School |
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| Journal or Publication Title: | Journal of Clinical Endocrinology & Metabolism | ||||
| Publisher: | Endocrine Society | ||||
| ISSN: | 0021-972X | ||||
| Official Date: | March 2011 | ||||
| Dates: |
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| Volume: | Vol.96 | ||||
| Number: | No.3 | ||||
| Page Range: | pp. 808-816 | ||||
| DOI: | 10.1210/jc.2010-1803 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | General Charities of the City of Coventry |
Data sourced from Thomson Reuters' Web of Knowledge
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