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Therapeutic Implications of PTEN in Non-Small Cell Lung Cancer
Zaid Sirhan1, Rawan Alojair1, Anita Thyagarajan1
1Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH 45435, USA.
Abstract:
Lung cancer remains one of the major human malignancies affecting both men and women worldwide, with non-small cell lung cancer (NSCLC) being the most prevalent type. Multiple mechanisms have been identified that favor tumor growth as well as impede the efficacy of therapeutic regimens in lung cancer patients. Among tumor suppressor genes that play critical roles in regulating cancer growth, the phosphatase and tensin homolog (PTEN) constitutes one of the important family members implicated in controlling various functional activities of tumor cells, including cell proliferation, apoptosis, angiogenesis, and metastasis. Notably, clinical studies have also documented that lung tumors having an impaired, mutated, or loss of PTEN are associated with low survival or high tumor recurrence rates. To that end, PTEN has been explored as a promising target for anti-cancer agents. Importantly, the ability of PTEN to crosstalk with several signaling pathways provides new approaches to devise effective treatment options for lung cancer treatment. The current review highlights the significance of PTEN and its implications in therapeutic approaches against NSCLC.
Insights
The phosphatase and tensin homolog (PTEN) gene is crucial in suppressing lung tumors. Loss of PTEN function in non-small cell lung cancer (NSCLC) correlates with poor survival, making it a promising therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Genetics
Background:
- Non-small cell lung cancer (NSCLC) is a leading cause of cancer-related deaths globally.
- Tumor suppressor genes, like phosphatase and tensin homolog (PTEN), are critical in regulating cancer cell growth.
- PTEN dysfunction is linked to aggressive NSCLC and poor patient outcomes.
Purpose of the Study:
- To review the significance of PTEN in NSCLC pathogenesis.
- To explore PTEN's role in tumor growth, apoptosis, angiogenesis, and metastasis.
- To highlight PTEN as a potential therapeutic target for NSCLC.
Main Methods:
- Literature review of studies on PTEN in lung cancer.
- Analysis of PTEN's involvement in key cellular processes relevant to cancer.
- Examination of clinical data linking PTEN status to patient survival and recurrence.
Main Results:
- PTEN loss or mutation is associated with increased tumor growth and metastasis in NSCLC.
- PTEN regulates critical pathways involved in cell proliferation and apoptosis.
- Impaired PTEN function correlates with reduced survival rates and higher recurrence in lung cancer patients.
Conclusions:
- PTEN is a vital tumor suppressor in NSCLC.
- Targeting PTEN offers a promising strategy for novel NSCLC therapies.
- Understanding PTEN's signaling network interactions can lead to improved treatment approaches.
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