In vitro models of cell competition: current approaches and future directions.

Area of Science:

• Cell Biology
• Developmental Biology
• Cancer Biology

Background:

• Cell competition is a conserved process for tissue quality control.
• It plays dual roles in cancer, potentially suppressing or promoting malignant growth.
• Understanding cell competition's role in disease is crucial.

Purpose of the Study:

• To review molecular mechanisms driving cell competition.
• To explore cell competition's impact on cancer development and progression.
• To evaluate in vitro models for studying cell competition.

Main Methods:

• Review of existing literature on cell competition.
• Analysis of molecular mechanisms involved.
• Evaluation of 2D co-culture, organoid, and organ-on-chip models.

Main Results:

• Cell competition involves diverse molecular pathways.
• It significantly impacts tumor initiation and progression.
• Advanced in vitro models provide deeper insights into cellular interactions.

Conclusions:

• Cell competition is a key factor in tumor dynamics.
• Knowledge of cell competition can guide novel cancer therapies.
• Further research using advanced models is warranted.