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STAT3 and epithelial-mesenchymal transitions in carcinomas
Michael K Wendt1, Nikolas Balanis2, Cathleen R Carlin3
1Department of Medicinal Chemistry and Molecular Pharmacology; Purdue University; West Lafayette, IN USA.
JAK-STAT
|May 21, 2014
Summary
STAT3 regulates epithelial-mesenchymal transitions (EMTs), crucial for development and cancer metastasis. Targeting STAT3-regulated EMT transcription factors may offer new strategies to combat metastatic carcinoma.
Area of Science:
- Cellular Biology
- Oncology
- Developmental Biology
Background:
- Epithelial-mesenchymal transitions (EMTs) are vital for embryogenesis and tissue repair.
- Master EMT transcription factors, regulated by STAT3, drive cellular transitions between epithelial and mesenchymal states.
- Aberrant EMT programs in carcinomas contribute to metastasis, stemness, and chemoresistance.
Purpose of the Study:
- To review the molecular, cellular, and microenvironmental factors influencing STAT3's role in regulating EMT programs in human carcinomas.
- To highlight the potential of targeting STAT3-regulated EMT transcription factors for cancer therapy.
Main Methods:
- Literature review focusing on molecular, cellular, and microenvironmental aspects of STAT3 and EMT.
- Analysis of existing research on STAT3's regulatory mechanisms in EMT.
- Synthesis of findings related to carcinoma progression and therapeutic implications.
Main Results:
- STAT3 is a key regulator of EMT transcription factors, influencing cellular plasticity.
- Reactivation of embryonic EMT programs by STAT3 in cancer cells promotes metastasis and therapeutic resistance.
- Understanding these regulatory networks is crucial for developing targeted therapies.
Conclusions:
- STAT3 plays a significant role in pathological EMT processes in human carcinomas.
- Targeting STAT3 and its downstream EMT factors presents a promising therapeutic avenue for metastatic cancer.
- Further research into the intricate regulation of EMT by STAT3 is warranted.