Roles of PTEN inactivation and PD-1/PD-L1 activation in esophageal squamous cell carcinoma

Area of Science:

• Oncology
• Molecular Biology
• Cancer Research

Background:

• Esophageal squamous cell carcinoma (ESCC) is a prevalent cancer in China and developing nations.
• Tumor suppressor gene PTEN inactivation and PD-1/PD-L1 pathway activation are implicated in cancer development.
• Understanding these molecular mechanisms is crucial for ESCC treatment strategies.

Purpose of the Study:

• To review the roles of PTEN inactivation and PD-1/PD-L1 pathway activation in ESCC.
• To summarize their impact on cellular processes and signaling pathways.
• To explore their association with ESCC susceptibility, progression, and patient prognosis.

Main Methods:

• In vitro and in vivo studies of ESCC were analyzed.
• Literature review focusing on PTEN and PD-L1 in ESCC and other cancers.
• Examination of genetic variants and expression patterns.

Main Results:

• PTEN and PD-L1 regulate cell proliferation, invasion, migration, and epithelial-mesenchymal transition in ESCC.
• These factors influence resistance to chemotherapy and radiotherapy.
• PTEN and PD-L1 impact the PI3K/AKT signaling pathway and patient prognosis.

Conclusions:

• PTEN inactivation and PD-1/PD-L1 activation are significant drivers of ESCC.
• Genetic variants of PTEN are linked to ESCC susceptibility.
• Further research into the interaction between PTEN and PD-L1 in ESCC is warranted.