High-invasiveness human lung adenocarcinoma brain metastasis cell line and application thereof

By constructing the highly invasive human lung adenocarcinoma brain metastasis cell line A549-F3, the problem of existing models being unable to accurately simulate blood-brain barrier penetration and brain tissue interaction has been solved, enabling efficient drug screening and biomarker identification, and advancing the treatment of lung adenocarcinoma brain metastases.

CN120989004APending Publication Date: 2025-11-21TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
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Patent Information

Application Number
CN202510928020.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

Existing lung adenocarcinoma brain metastasis cell models cannot accurately simulate blood-brain barrier penetration and brain tissue microenvironment interactions, leading to inaccurate assessment of metastatic potential. Furthermore, existing models have long modeling cycles, high costs, or introduce non-natural selection biases, failing to meet the needs of scientific research and clinical practice.

Method used

A highly invasive human lung adenocarcinoma brain metastasis cell line A549-F3 was constructed using an in vivo circulation screening method. After multiple rounds of screening and expansion culture, a cell line with highly invasive and stable brain metastasis characteristics was obtained for the purpose of studying the brain metastasis mechanism of lung adenocarcinoma and drug screening.

Benefits of technology

It provides a more suitable cell model for in-depth exploration of the brain metastasis mechanism of lung adenocarcinoma, serves as an efficient drug screening platform to screen drugs that inhibit brain metastasis of lung adenocarcinoma, and explores specific biomarkers to improve diagnostic accuracy and treatment efficacy.

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Abstract

The invention relates to a high-invasiveness human lung adenocarcinoma brain metastasis cell line and application thereof, the cell line is named as a human lung adenocarcinoma brain metastasis cell line A549-F3, the cell line is preserved in China Center for Type Culture Collection on March 31, 2025, and the preservation number is CCTCC NO: C2025107. The A549-F3 cell line with high invasiveness and stable brain metastasis characteristics is successfully constructed through an in-vivo circulation screening method, the defects of an existing cell line in lung adenocarcinoma brain metastasis research are overcome, and a more suitable cell model is provided for deep exploration of related mechanisms.
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