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Recent Advances in Endometrial Cancer

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Oncology".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 3302

Special Issue Editor


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Guest Editor
Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
Interests: endometrial cancer; molecular classification; surgical staging; surgery; target therapy; gynecologic oncology; precision medicine; immunohistochemistry
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Special Issue Information

Dear Colleagues,

Endometrial cancer (EC) is the fourth most widespread malignancy in developed countries and the first gynecologic cancer in the United States, and its incidence is expected to double in the next 10 years. In recent years, the Cancer Genome Atlas (TCGA) results have renovated the EC classification: four genomic classes with different oncological outcomes (POLE (good prognosis); high-copy-number tumors with TP53 mutations (poor prognosis); hypermutated tumors with microsatellite instability, MSI (good-to-intermediate prognosis) and low copy number (good-to-intermediate prognosis)). This innovative way to define the EC has led to a new tendency to reframe EC clinical and pathological history. After this, the TGCA molecular classification received an external and real-life-based validation based on several studies that confirmed the validity of this new EC stratification (such as PORTEC 3, etc). A fundamental step was the transition from the tumor DNA sequencing to immunohistochemistry (IHC) analysis of the molecular classification with the ProMisE study that outlined four different prognostic EC sub-groups almost superimposable to the TCGA genomic classes. These subgroups were defined as follows: POLE-mutated (good prognosis), p53-abnormal (poor prognosis), mismatch repair deficient, MMRd (good-to-intermediate prognosis) and p53-wild-type (good-to-intermediate prognosis). Of note, the p53-wild-type, also known as “no specific molecular profile” (NSMP), represents the most prevalent group of EC (39–64% within the overall EC population). So, other molecular markers were investigated to further understand the shadow areas that still persist. Recently, on these bases, the ESGO/ESTRO/ESP guidelines classification system was introduced, combining the pathological and clinical features to the new molecular information in the EC risk stratification and management. Waiting for the result of the PORTEC 4a study that will define the correct therapeutic management with adjuvant therapy and the EUGENIE trial that will indicate the proper surgical staging for each molecular class, the aim of this Special Issue is to describe the updates about the classification and management of EC in the context of this new molecular era.

Dr. Emanuele Perrone
Guest Editor

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Keywords

  • endometrial cancer
  • molecular classification
  • surgical staging and surgery
  • target therapy
  • gynecologic oncology
  • precision medicine
  • immunohistochemistry

Published Papers (2 papers)

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Research

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21 pages, 971 KiB  
Article
Absolute Quantification of Selected microRNAs Expression in Endometrial Cancer by Digital PCR
by Anna Bogaczyk, Natalia Potocka, Sylwia Paszek, Marzena Skrzypa, Alina Zuchowska, Michał Kośny, Marta Kluz, Izabela Zawlik and Tomasz Kluz
Int. J. Mol. Sci. 2024, 25(6), 3286; https://doi.org/10.3390/ijms25063286 - 14 Mar 2024
Cited by 1 | Viewed by 970
Abstract
MicroRNAs (miRNA) are involved in the process of carcinogenesis, including the development of endometrial cancer (EC). This study aimed to investigate the association between the expression of three miRNAs (miR-21-5p, miR-205-5p, and miR-222-3p) in endometrial cancer tissues. In addition, the stability of expression [...] Read more.
MicroRNAs (miRNA) are involved in the process of carcinogenesis, including the development of endometrial cancer (EC). This study aimed to investigate the association between the expression of three miRNAs (miR-21-5p, miR-205-5p, and miR-222-3p) in endometrial cancer tissues. In addition, the stability of expression of SNORD48 and U6, which were initially planned to be used as reference miRNAs for normalization, was investigated. Endometrial tissue was obtained from 111 patients with EC during hysterectomy and from 19 patients undergoing surgery for uterine fibroids or pelvic organ prolapse as a control group without neoplastic changes. Our study was based on calculations made with a digital PCR method (Qiagen, Hilden, Germany) to measure the absolute expression. In the endometrial cancer tissue, miR-205-5p was upregulated, while miR-222-3p and SNORD48 were downregulated compared to the control group. We detected statistically significant correlation of miR-205-5p, U6, and SNORD48 expression with different histological grades; the expression of miR-205-5p increases with the histopathological grade advancement (intraepithelial neoplasia- EIN = 1590, G1 = 3367.2, G2 = 8067 and G3 = 20,360), while U6 and SNORD expression decreases from EIN to G2 and increases again in the G3 grade (U6: EIN = 19,032, G1 = 16,482.4, G2 = 13,642.4, G3 = 133,008; SNORD48: EIN = 97,088, G1 = 59,520, G2 = 43,544, G3 = 227,200). Our study suggests that upregulation of miR-205-5p and downregulation of miR-222-3p and SNORD48 may influence development of endometrial cancer. Moreover, miR-205-5p, U6, and SNORD48 expression changes may be associated with progression of endometrial cancer. The results also indicate that SNORD48 and U6, commonly used as internal references, may influence endometrial cancer development and progression; therefore, they should not be used as references. However, it is important to note that further research is required to understand their role in endometrial cancer. Full article
(This article belongs to the Special Issue Recent Advances in Endometrial Cancer)
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Review

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24 pages, 637 KiB  
Review
The Role of miRNAs in the Development, Proliferation, and Progression of Endometrial Cancer
by Anna Bogaczyk, Izabela Zawlik, Tomasz Zuzak, Marta Kluz, Natalia Potocka and Tomasz Kluz
Int. J. Mol. Sci. 2023, 24(14), 11489; https://doi.org/10.3390/ijms241411489 - 15 Jul 2023
Cited by 3 | Viewed by 1802
Abstract
Endometrial cancer is one of the most common cancers in developing and developed countries. Although the detection of this cancer is high at the early stages, there is still a lack of markers to monitor the disease, its recurrence, and metastasis. MiRNAs are [...] Read more.
Endometrial cancer is one of the most common cancers in developing and developed countries. Although the detection of this cancer is high at the early stages, there is still a lack of markers to monitor the disease, its recurrence, and metastasis. MiRNAs are in charge of the post-transcriptional regulation of genes responsible for the most important biological processes, which is why they are increasingly used as biomarkers in many types of cancer. Many studies have demonstrated the influence of miRNAs on the processes related to carcinogenesis. The characteristics of miRNA expression profiles in endometrial cancer will allow their use as diagnostic and prognostic biomarkers. This paper focuses on the discussion of selected miRNAs based on the literature and their role in the development of endometrial cancer. Full article
(This article belongs to the Special Issue Recent Advances in Endometrial Cancer)
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