10th Anniversary of Biomedicines—Pathogenesis and Innovative Therapies in Ovarian Cancer

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Cancer Biology and Oncology".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 3732

Special Issue Editors


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Guest Editor
Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, Universita degli Studi di Firenze, Florence, Italy
Interests: gold-based anticancer drugs; auranofin; thioredoxin reductase; ovarian cancer; cancer cell metabolism; proteomics; redox proteomics

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Co-Guest Editor
Department of Clinical and Preclinical Biomedical Sciences, University of Florence, Florence, Italy
Interests: gold-based anticancer drugs; auranofin; thioredoxin reductase; ovarian cancer; cancer cell metabolism; proteomics; redox proteomics
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Special Issue Information

Dear Colleagues,

The year 2023 marks the 10th anniversary of Biomedicines, a peer-reviewed open access journal in the biomedical field. So far, Biomedicines has published more than 2700 papers from more than 17,000 authors. We appreciate each author, reviewer, and academic editor whose support has brought us to where we are today.

To celebrate this significant milestone, we aim to publish a Special Issue titled “10th Anniversary of Biomedicines—Pathogenesis and Innovative Therapies in Ovarian Cancer (OC)”. OC is the most lethal gynecological disease and is characterized by heterogeneity, a high risk of relapse and the development of chemoresistance; thus, resulting in poor prognosis. Genetic and epigenetic factors and microenvironment characteristics influence the progression of the disease and its response to therapy.  To date, the cornerstone of treatment has been maximal-effort surgical cytoreduction combined with cytotoxic chemotherapy, mainly represented by combinations of carboplatin and paclitaxel, both in adjuvant and metastatic settings.  An estimated 80–85% of patients with OC who achieve full remission following first-line platinum-based therapy will develop disease recurrence, and the median survival for these patients ranges from 12 months to 24 months. Except for bevacizumab and poly ADP-ribose polymerase inhibitors, there are few other options for women with platinum-resistant OC. It is, therefore, particularly important to deepen the pathobiology of the tumor itself, and further understand how it is influenced by the microenvironment and by the genetic heterogeneity present not only in cancer from different patients, but also within a single cancer. A greater understanding of all these factors could be very useful in the development of more personalized therapies that maintain activity against resistant cells and take into account the specific characteristics of each individual tumor.

Dr. Francesca Magherini
Dr. Tania Gamberi
Guest Editors

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Published Papers (2 papers)

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Research

11 pages, 308 KiB  
Article
Combined Expression of HGFR with Her2/neu, EGFR, IGF1R, Mucin-1 and Integrin α2β1 Is Associated with Aggressive Epithelial Ovarian Cancer
by Bastian Czogalla, Katharina Dötzer, Nicole Sigrüner, Franz Edler von Koch, Christine E. Brambs, Sabine Anthuber, Sergio Frangini, Alexander Burges, Jens Werner, Sven Mahner and Barbara Mayer
Biomedicines 2022, 10(11), 2694; https://0-doi-org.brum.beds.ac.uk/10.3390/biomedicines10112694 - 25 Oct 2022
Cited by 1 | Viewed by 1510
Abstract
Hepatocyte growth factor receptor (HGFR), also known as c-mesenchymal–epithelial transition factor (c-MET), plays a crucial role in the carcinogenesis of epithelial ovarian cancer (EOC). In contrast, the mechanisms contributing to aberrant expression of HGFR in EOC are not fully understood. In the present [...] Read more.
Hepatocyte growth factor receptor (HGFR), also known as c-mesenchymal–epithelial transition factor (c-MET), plays a crucial role in the carcinogenesis of epithelial ovarian cancer (EOC). In contrast, the mechanisms contributing to aberrant expression of HGFR in EOC are not fully understood. In the present study, the expression of HGFR with its prognostic and predictive role was evaluated immunohistochemically in a cohort of 42 primary ovarian cancer patients. Furthermore, we analyzed the dual expression of HGFR and other druggable biomarkers. In the multivariate Cox regression analysis, high HGFR expression was identified as an independent prognostic factor for a shorter progression-free survival (PFS) (hazard ratio (HR) 2.99, 95% confidence interval (CI95%) 1.01–8.91, p = 0.049) and overall survival (OS) (HR 5.77, CI95% 1.56–21.34, p = 0.009). In addition, the combined expression of HGFR, human epidermal growth factor receptor 2 (Her2/neu), epithelial growth factor receptor (EGFR), insulin-like growth factor 1 (IGF1R), Mucin-1 and Integrin α2β1 further significantly impaired PFS, platinum-free interval (PFI) and OS. Protein co-expression analyses were confirmed by transcriptomic data in a large, independent cohort of patients. In conclusion, new biomarker-directed treatment targets were identified to fight poor prognosis of primary EOC. Full article
19 pages, 2850 KiB  
Article
Suppressing the PI3K/AKT Pathway by miR-30d-5p Mimic Sensitizes Ovarian Cancer Cells to Cell Death Induced by High-Dose Estrogen
by Alexandra Varga, Éva Márton, Arnold Markovics, András Penyige, István Balogh, Bálint Nagy and Melinda Szilágyi
Biomedicines 2022, 10(9), 2060; https://0-doi-org.brum.beds.ac.uk/10.3390/biomedicines10092060 - 24 Aug 2022
Cited by 5 | Viewed by 1651
Abstract
MicroRNAs are short non-coding RNA molecules that are involved in tumor development and are considered to be promising candidates in cancer therapy. Here, we studied the role of miR-30s in the pathophysiology of ovarian cancer. According to our results miR-30a-5p, miR-30d-5p, and miR-30e-5p [...] Read more.
MicroRNAs are short non-coding RNA molecules that are involved in tumor development and are considered to be promising candidates in cancer therapy. Here, we studied the role of miR-30s in the pathophysiology of ovarian cancer. According to our results miR-30a-5p, miR-30d-5p, and miR-30e-5p were overexpressed in the estrogen receptor α (ERα)-expressing PEO1 cell line compared to A2780 that lacks this receptor. Furthermore, the expression of miR-30a-5p, miR-30d-5p, and miR-30e-5p were induced in response to high-dose estrogen treatment in PEO1 where intensive cell death was observed according to the induction of apoptosis and autophagy. Lacking or blocking ERα function reduced tolerance to high-dose estrogen that suggests the importance of ERα-mediated estrogen response in the maintenance of proliferation. MiR-30d-5p mimic reduced cell proliferation in both A2780 and PEO1. Furthermore, it decreased the tolerance of PEO1 cells to high-dose estrogen by blocking the ERα-mediated estrogen response. This was accompanied by decreased SOX4 expression that is thought to be involved in the regulation of the PI3K/AKT pathway. Blocking this pathway by AZD8835 led to the same results. MiR-30d-5p or AZD8835 sensitized PEO1 cells to tamoxifen. We suggest that miR-30d-5p might be a promising candidate in the therapy of ovarian cancer. Full article
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