Transplantable hFL-HCC Tumor Lines for Drug Screening
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Solution Overview
Problem
Current treatments for human fibrolamellar hepatocellular carcinoma (hFL-HCC) are ineffective, and there is a lack of suitable in vivo and in vitro models for studying this rare cancer, limiting understanding and development of effective therapies.
Innovation Solution
Establishment of transplantable tumor lines of hFL-HCC cells in non-human animals, including immunocompromised mice, and development of methods for culturing and maintaining these cells in serum-free media to create reliable in vitro models for drug screening and testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemotherapy and external radiation therapy are used to treat hFL-HCC, then treatment is attempted, but the therapy proves ineffective
Solution Approach 1:
The patent introduces transplantable tumor lines and cell culture models as intermediary systems between traditional therapy and effective treatment. These models serve as mediators to screen and identify novel therapeutic strategies (such as targeted molecular therapies) before applying them to patients, thereby resolving the ineffectiveness of direct chemotherapy and radiation application.
2Reliability
If surgery is performed on metastasized hFL-HCC tumors, then surgical intervention is attempted, but it becomes ineffective
Solution Approach 1:
The patent establishes transplantable tumor lines and in vitro models as preliminary tools to study metastatic mechanisms and screen therapeutic agents before surgical intervention. These models enable preliminary identification of effective treatments for metastatic disease, making surgical intervention more informed and potentially more effective when combined with pre-screened therapeutic strategies.
3Loss of information
If investigations are conducted on freshly isolated tissue or paraffin sections, then molecular mechanisms can be studied, but samples are difficult to obtain and molecular mechanisms remain difficult to study
Solution Approach 1:
The patent creates transplantable tumor lines and cell culture models that serve as reproducible copies of the original hFL-HCC tissue. These copied models can be obtained and studied repeatedly without requiring difficult-to-acquire fresh patient samples, thereby enabling comprehensive molecular mechanism investigations while eliminating sample availability constraints.
4Adaptability or versatility
If transplantable tumor lines are established in non-human animals, then in vivo models for drug screening are created, but the complexity of maintaining these models increases
Solution Approach 1:
The patent establishes transplantable tumor lines that serve multiple functions: they can be used for in vivo drug screening in animals, for in vitro culture studies, for molecular mechanism investigations, and for generating additional sample material. This multi-functionality increases adaptability for various research applications while amortizing the complexity of model establishment across multiple uses.
Data Source
AI summary
The present disclosure provides a model of human fibrolamellar hepatocellular carcinoma (FL-HCC) cells maintained as a transplantable tumor line in a host and a method to establish a transplantable human FL-HCC tumor line. Methods of ex vivo cultures of the FL-HCC are provided. Methods of diagnosing and treating FL-HCC tumors are also provided.