Experimental models for cancer brain metastasis.

Area of Science:

• Oncology
• Translational Medicine
• Cancer Biology

Background:

• Brain metastases are a primary cause of cancer mortality, with limited therapeutic progress due to incomplete understanding of biological mechanisms.
• Accurate in vitro and in vivo models are crucial for dissecting the complex cellular and physiological processes of brain metastasis.

Purpose of the Study:

• To provide a comprehensive review of existing in vitro and in vivo models for studying brain metastasis.
• To aid researchers in selecting appropriate models based on specific research objectives.

Main Methods:

• Review of diverse in vitro models: Transwell systems, organoids, and microfluidic models.
• Review of diverse in vivo models: Syngeneic, xenograft, and genetically engineered models.
• Analysis of the advantages and limitations of each model type.

Main Results:

• Detailed overview of various cell culture, organoid, microfluidic, syngeneic, xenograft, and genetically engineered models.
• Comparative analysis of the strengths and weaknesses of each model for brain metastasis research.
• Identification of optimal applications for each model.

Conclusions:

• Model selection is critical for advancing brain metastasis research.
• This review offers a valuable resource for researchers to make informed decisions on choosing the most suitable models.
• Improved model utilization will accelerate the understanding and treatment of brain metastases.