CD44.sup.+/CD24.sup.- Expression as predictors of ovarian cancer chemoresistance: immunohistochemistry and flow cytometry study

Background The conventional standard treatment for ovarian cancer is not very effective, and the disease is fatal for women. Cancer Stem Cells (CSCs) that express CD44.sup.+/CD24.sup.- can contribute to chemoresistance and a poor prognosis. We seek to investigate the expression of CSCs (CD44.sup.+/C...

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Bibliographic Details
Published inJournal of Egyptian National Cancer Institute Vol. 34; no. 1
Main Authors Sihombing, Unedo Hence Markus, Andrijono, Andrijono, Purwoto, Gatot, Gandamihardja, Supriadi, Harahap, Alida R, Rustamadji, Primariadewi, Kekalih, Aria
Format Journal Article
LanguageEnglish
Published Springer 01.12.2022
Subjects
Analysis
Cancer
Care and treatment
Chemotherapy
Health aspects
Immunohistochemistry
Oncology, Experimental
Ovarian cancer
Prognosis
Stem cells
Indonesia
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Summary:Background The conventional standard treatment for ovarian cancer is not very effective, and the disease is fatal for women. Cancer Stem Cells (CSCs) that express CD44.sup.+/CD24.sup.- can contribute to chemoresistance and a poor prognosis. We seek to investigate the expression of CSCs (CD44.sup.+/CD24.sup.-) in ovarian cancer and their predictive significance. Methods The ambispective cohort was performed on 64 patients (32 patients in each group) at four hospitals (Cipto Mangunkusumo, Tarakan, Fatmawati, and Dharmais Hospital). Debulking surgery was performed on the patients, followed by histopathological analysis. The patients had six rounds of chemotherapy and were under monitoring for six months. The therapeutic responses were evaluated using the RECIST criteria (Response Criteria in Solid Tumors) and categorized as chemoresistant or chemosensitive. Using immunohistochemistry, we directly assess the CSCs from ovarian cancer tissue and using flow cytometry to assess the CSCs from the blood. Results High CSCs expression and ovarian cancer chemoresistance were significantly related in both trials (p 0.05). A better outcome was obtained using CD44.sup.+/CD24.sup.- immunohistochemistry. Conclusions We conclude that there is a substantial association between high CSCs expression and chemoresistance in ovarian cancer and that CSCs immunohistochemistry has a higher predictive value.
ISSN:1110-0362
DOI:10.1186/s43046-022-00143-2