Aims: This study aimed to investigate the role of E2F1 in breast cancer biology.
Background: Expression of E2F1, a transcription factor of many oncogenes and tumor suppressor genes, is lowered in several malignancies, including breast carcinoma.
Objectives: In the present study, we analyzed the status of E2F1 expression in association with diverse attributes of breast malignancy and its impact on cancer progression.
Methods: For this purpose, we used various freely available online applications for gene enrichment, expression, and methylation analysis to extract mutation-based E2F1 map, to measure E2F1 drug sensitivity, and to determine E2F1 association with DNA damage response proteins.
Results: Results revealed tissue-specific regulatory behavior of E2F1. Moreover, the key role of E2F1 in the promotion of metastasis, stem cell-mediated carcinogenesis, estrogen-mediated cell proliferation, and cellular defense system, has therefore highlighted it as a metaplastic marker and hot member of key resistome pathways.
Conclusion: The information thus generated can be employed for future implications in devising rational therapeutic strategies. Moreover, this study has provided a more detailed insight into the diagnostic and prognostic potential of E2F1.
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http://dx.doi.org/10.2174/1566524022666220308095834 | DOI Listing |
Free Radic Biol Med
January 2025
Department of Pediatric Orthopedics, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address:
Elevated synovial expression of the triggering receptor expressed on myeloid cells 1 (TREM1) has been identified as a significant biomarker for assessing disease activity in rheumatoid arthritis (RA). The upregulated expression of TREM1, induced by inflammatory mediators in infiltrating macrophages, plays a critical role in synovitis and joint destruction in RA. Our previous sequencing data linked TREM1 activation to aberrant mitophagy.
View Article and Find Full Text PDFInt J Mol Med
March 2025
Department of Biomedical Sciences, Chung Shan Medical University, Taichung 402306, Taiwan, R.O.C.
Oral squamous cell carcinoma (OSCC) is a type of head and neck cancer (HNC) with a high recurrence rate, which has been reported to be associated with the presence of cancer stem cells (CSCs). Tribbles pseudokinase 3 (TRIB3) is involved in intracellular signaling and the aim of the present study was to investigate the role of TRIB3 in the maintenance of CSCs. Analysis of The Cancer Genome Atlas database samples demonstrated a positive correlation between TRIB3 expression levels and shorter overall survival rates in patients with HNC.
View Article and Find Full Text PDFHum Exp Toxicol
January 2025
Department of Ophthalmology, The Affiliated Hospital of Southwest Medical University, Luzhou, China.
Background: It is well-known that ultraviolet B (UVB) causes cataracts by inducing pyroptosis and the production of reactive oxygen species (ROS) in human lens epithelial cells (HLECs). The transcription factor E2F1 (E2F1) serves as a positive regulator of disrupted pathways involved in histone modification and cell cycle regulation. However, its function in UVB-treated HLECs remains unknown.
View Article and Find Full Text PDFSci Adv
January 2025
Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, Louisiana Cancer Research Center, 1700 Tulane Avenue, New Orleans, LA 70112, USA.
Unlike most species that use telomerase for telomere maintenance, many dipterans, including , rely on three telomere-specific retrotransposons (TRs)-, , and -to form tandem repeats at chromosome ends. Although TR transcription is crucial in their life cycle, its regulation remains poorly understood. This study identifies the Mediator complex, E2F1-Dp, and Scalloped/dTEAD as key regulators of TR transcription.
View Article and Find Full Text PDFCancer Lett
December 2024
Department of Medical Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China. Electronic address:
Triple-negative breast cancer (TNBC) represents the most aggressive subtype of breast cancer, lacking effective targeted therapies and presenting with a poor prognosis. In this study, we utilized the epigenomic landscape, TCGA database, and clinical samples to uncover the pivotal role of HJURP in TNBC. Our investigation revealed a strong correlation between elevated HJURP expression and unfavorable prognosis, metastatic progression, and late-stage of breast cancer.
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