Ovarian tumours are these days one of the biggest oncogynecological problems. In addition to surgery, the treatment of ovarian cancer includes also chemotherapy in which platinum preparations are one of the most used chemotherapeutic drugs. The principle of antineoplastic effects of cisplatin (cis-diamminedichloroplatinum(II), CDDP) is its binding to the DNA and the formation of adducts. While DNA adducts induce the process of apoptosis, or inhibit the process of DNA replication, which prevents further division of tumour cells, various molecular mechanisms can reverse this process. On the other hand, with increasing scientific knowledge, it is becoming clearer that chemotherapy resistance is a very complex process. In this regard, factors and the amount of their expression may regulate the effect of resistance to chemotherapy. This review focuses on new molecular mechanisms and factors such as mitochondrial dynamics, epithelial-mesenchymal transition (EMT), cluster of differentiation, exosomes and others, that could be involved in the emergence of CDDP resistance.
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http://dx.doi.org/10.1016/j.advms.2025.01.005 | DOI Listing |
Cureus
December 2024
Internal Medicine/Pulmonary Critical Care, BronxCare Health System/Icahn School of Medicine at Mount Sinai, New York City, USA.
Ovarian sex cord-stromal tumors (SCST) are a rare subset of ovarian neoplasms originating from supportive tissues surrounding oocytes. Despite their rarity, prompt diagnosis and management are crucial due to their potential for diverse clinical presentations and the need to optimize patient outcomes. A 25-year-old female patient was initially diagnosed with pyelonephritis but later discovered to have a large right adnexal mass suspected to be a tubo-ovarian abscess.
View Article and Find Full Text PDFClin Radiol
December 2024
Department of Radiology, Division of Interventional Radiology, Massachusetts General Hospital & Harvard Medical School, Boston, MA, 02114, USA. Electronic address:
Aim: To define the indications and outcomes of intraoperative ablation of hepatic malignancies.
Materials And Methods: This retrospective study comprises 27 patients (male/female: 19/8; mean age: 56 ± 13) undergoing intraoperative ablation (IOA) of liver tumours between July 2001 and August 2021 for 42 tumours, including colorectal liver metastasis (CRLM) (n = 27), hepatocellular carcinoma (HCC)(n = 14), and ovarian cancer metastasis (n = 1). The mean tumour diameter was 2.
World J Surg Oncol
January 2025
The Department of General Surgery, The Second Hospital of Jilin University, Changchun, 130041, China.
Background: Extraskeletal osteosarcoma (ESOS) is a rare kind of sarcoma with a low preoperative diagnosis and a poor prognosis. ESOS arising from abdominal mesentery is extremely rare. Increasing diagnostic methods and standardizing treatment protocols are crucial issues of ESOS.
View Article and Find Full Text PDFSci Data
January 2025
The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan, Israel.
The distinctive characteristics of an individual's T cell receptor repertoire are crucial in recognizing and responding to a diverse array of antigens, contributing to immune specificity and adaptability. The repertoire, famously vast due to a series of cellular mechanisms, can be quantified using repertoire sequencing. In this study, we sampled the repertoire of 85 women: ovarian cancer patients (OC) and healthy donors (HD), generating a dataset of T cell clones and their abundance.
View Article and Find Full Text PDFBMJ Open
January 2025
Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
Objective: The presence of the microcystic elongated and fragmented (MELF) pattern, distinguished by its microcystic, elongated and fragmented attributes, constitutes a common manifestation of myometrial invasion (MI) within endometrial carcinoma. However, the prognostic significance of this pattern has not been definitively established. Consequently, this research aimed to clarify the prognostic implications of the MELF pattern for individuals diagnosed with endometrial carcinoma.
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