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In vivo Imaging and Therapeutic Treatments in an Orthotopic Mouse Model of Ovarian Cancer
Published on: August 17, 2010
New insight into NANOG: A novel therapeutic target for ovarian cancer (OC)
Iyer Mahalaxmi1, Subramaniam Mohana Devi2, Jayaramayya Kaavya1
1Department of Zoology, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore 641043, India.
Abstract:
Cancer incidence, metastasis, drug resistance and recurrence are still the critical issues of oncological diseases especially Ovarian cancer (OC). It has been suggested that drug resistance and disease relapse are the main causes for the aggressive nature of OC. There is an immediate need to develop novel strategies to understand the mechanism to overcome chemoresistance. Nanog has been found to regulate stemness like cells inside the cancer cells that are termed as Cancer Stem Cells (CSCs). These cells show high self-renewal capacity with a peculiar potential in tumour initiation, heterogeneity, progression, metastasis, recurrence, radiotherapy and multi drug resistance. Recent studies have demonstrated that Nanog, a key transcription factor for pluripotency, has been playing a major role in chemoresistance. In this review, we address the functions of Nanog in both normal and cancer cells, how Nanog is involved in OC tumorigenesis and chemoresistance. This review also highlights the methods that are used for targeting Nanog as a remedy for treating OC. Thus, through this review, we predict that these concepts will open new avenues of research in ovarian cancer stem cells, and would propose Nanog as a target to improve the outcome of chemotherapy.
Insights
Nanog, a key factor in cancer stem cells (CSCs), drives ovarian cancer (OC) chemoresistance and recurrence. Targeting Nanog offers a promising strategy to improve chemotherapy outcomes for OC patients.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Stem Cell Research
Background:
- Ovarian cancer (OC) presents critical challenges including metastasis, drug resistance, and recurrence.
- Cancer stem cells (CSCs) are implicated in OC's aggressive nature, contributing to treatment failure.
- Nanog, a pluripotency transcription factor, regulates CSCs and is increasingly recognized for its role in chemoresistance.
Purpose of the Study:
- To review the multifaceted functions of Nanog in normal and ovarian cancer cells.
- To elucidate Nanog's specific involvement in ovarian cancer tumorigenesis and the development of chemoresistance.
- To highlight therapeutic strategies targeting Nanog for ovarian cancer treatment.
Main Methods:
- Literature review focusing on Nanog's role in cancer stem cells.
- Analysis of studies investigating Nanog's function in ovarian cancer development and progression.
- Examination of research on Nanog-targeting therapeutic approaches.
Main Results:
- Nanog expression is linked to cancer stem cell properties, including self-renewal and tumor initiation.
- Nanog significantly contributes to multi-drug resistance and recurrence in ovarian cancer.
- Targeting Nanog presents a potential therapeutic avenue to overcome chemoresistance in OC.
Conclusions:
- Nanog plays a crucial role in ovarian cancer stem cell maintenance and chemoresistance.
- Developing strategies to inhibit Nanog could enhance the efficacy of chemotherapy for ovarian cancer.
- Further research into Nanog inhibition is warranted to improve patient outcomes in ovarian cancer treatment.
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