ArticleGynecologic oncology2020
Derangements in HUWE1/c-MYC pathway confer sensitivity to the BET bromodomain inhibitor GS-626510 in uterine cervical carcinoma.
Article in Gynecologic oncology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- BET inhibition enhances temozolomide sensitivity in cervical cancer cells through ALDH suppression and epigenetic reprogramming.Molecular biology reports · 2026Article
- Review
- Effect of Kegel Pelvic Floor Muscle Exercise Combined with Clean Intermittent Self-catheterization on urinary retention after radical hysterectomy for cervical cancer.Pakistan journal of medical sciencesArticle
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20 authors at 1 institution in 1 country.
Funding
Abstract
objectiveWhole-exome-sequencing (WES) studies reported c-MYC gene-amplification and HUWE1 gene deletion/mutations in a significant number of cervical-cancer-patients (CC) suggesting HUWE1/c-MYC pathway as potential therapeutic target. We investigated HUWE1/c-MYC expression in fresh-frozen-CC and the activity of the novel BET inhibitor GS-626510 (Gilead-Science-Inc) against primary WES CC-cultures and CC-xenografts.
methodsHUWE1 and c-MYC expression were evaluated by qRT-PCR in 23 CC including 12 fresh-frozen-tumor-tissues and 11 primary-cell-lines. c-Myc expression was also evaluated by Western-Blot (WB) and fluorescence-in-situ-hybridization (FISH) in all 11 fully sequenced primary-CC-cell-lines. Primary tumors were evaluated for sensitivity to GS-626510 in-vitro using proliferation and viability-assays. siRNA experiments were used to evaluate the effect of HUWE1 silencing on primary-CC-cell-line growth and sensitivity to GS-626510. Finally, the in-vivo activity of GS-626510 was studied in CC-CVX8-mouse-xenografts.
resultsFresh-frozen-CC and primary-CC-cell-lines overexpressed c-MYC when compared to normal tissues (p = .01). FISH demonstrated amplification of c-MYC in 9/11 (82%) of the primary-CC-cell-lines. Cell-lines with derangements in HUWE1/c-MYC pathway were highly sensitive to GS-626510, with a dose-response decrease in cell proliferation and viability. siRNA silencing of HUWE1 significantly increased c-MYC expression and CC cell-proliferation and enhanced the in-vitro sensitivity to GS-626510. Twice-daily oral doses of GS-626510 were well tolerated in-vivo and highly effective in decreasing tumor-growth (p = .004) and increasing survival (p = .004) of CC-CVX8 xenografts.
conclusionsDownregulation/inactivation of HUWE1 may increase c-MYC expression and proliferation in primary-CC-cell-lines. GS-626510 may represent a novel, potentially highly effective therapeutic agent against CC overexpressing c-MYC and/or harboring HUWE1 mutations. Clinical studies with BET inhibitor in CC-patients harboring radiation/chemotherapy-resistant disease are warranted.
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