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Anticancer actions of PPARγ ligands: Current state and future perspectives in human lung cancer
1Shou Wei Han, Jesse Roman, Division of Pulmonary, Critical Care and Sleep Disorders Medicine, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, United States.
Abstract:
Peroxisome proliferator-activated receptors (PPARs) are ligand-dependent nuclear transcription factors and members of the nuclear receptor superfamily. Of the three PPARs identified to date (PPARγ, PPARβ/δ, and PPARα), PPARγ has been studied the most, in part because of the availability of PPARγ agonists (also known as PPARγ ligands) and its significant effects on the management of several human diseases including type 2 diabetes, metabolic syndrome, cardiovascular disease and cancers. PPARγ is expressed in many tumors including lung cancer, and its function has been linked to the process of lung cancer development, progression and metastasis. Studies performed in gynogenic and xenograft models of lung cancer showed decreased tumor growth and metastasis in animals treated with PPARγ ligands. Furthermore, data are emerging from retrospective clinical studies that suggest a protective role for PPARγ ligands on the incidence of lung cancer. This review summarizes the research being conducted in this area and focuses on the mechanisms and potential therapeutic effects of PPARγ ligands as a novel anti-lung cancer treatment strategy.
Insights
Peroxisome proliferator-activated receptors gamma (PPARγ) ligands show promise in reducing lung cancer growth and metastasis. Emerging research suggests these ligands may offer a new therapeutic strategy for combating lung cancer.
Area of Science:
- Molecular biology
- Oncology
- Pharmacology
Background:
- Peroxisome proliferator-activated receptors (PPARs) are nuclear transcription factors.
- PPARγ is a well-studied PPAR subtype with roles in metabolic diseases and cancer.
- PPARγ is expressed in lung tumors and influences cancer progression.
Purpose of the Study:
- To review current research on PPARγ ligands in lung cancer.
- To explore the mechanisms of PPARγ ligands in anti-lung cancer strategies.
- To evaluate the potential of PPARγ ligands as a novel lung cancer treatment.
Main Methods:
- Review of preclinical studies in lung cancer models (gynogenic and xenograft).
- Analysis of emerging retrospective clinical data.
- Examination of molecular mechanisms underlying PPARγ function in lung cancer.
Main Results:
- PPARγ ligand treatment decreased tumor growth and metastasis in preclinical models.
- Retrospective clinical studies suggest a protective effect of PPARγ ligands against lung cancer incidence.
- PPARγ's role is implicated in lung cancer development, progression, and metastasis.
Conclusions:
- PPARγ ligands demonstrate therapeutic potential as an anti-lung cancer strategy.
- Further research into PPARγ mechanisms could lead to novel treatments.
- PPARγ ligands may represent a promising novel approach for lung cancer therapy.
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