Huh7-C10 Cell Strain for Alpha-Herpesvirus Intercellular Transmission Research
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Solution Overview
Problem
Current research lacks understanding of the intercellular transmission mechanism of α-herpesviruses, particularly the molecular mechanisms by which host factors regulate and control this process, due to focus on virus glycoproteins and challenges in screening host factors.
Innovation Solution
Development of an α-herpesvirus insensitive monoclonal cell strain, Huh7-C10, which is derived from a human liver cancer cell line and is incapable of intercellular diffusion of α-herpesviruses, allowing for targeted research on the intercellular transmission mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If research focuses on virus glycoproteins (gD, gH, gL, gB, gE, gI) to understand α-herpesvirus transmission, then viral mechanism understanding is improved, but host factor identification is neglected
Solution Approach 1:
Instead of continuing to screen host factors that interact with viral glycoproteins (the conventional approach), the patent inverts the research strategy by using a cell line (Huh7-C10) that is resistant to α-herpesvirus infection. This inverted approach allows identification of host factors by what the cell lacks or differs from susceptible cells, thereby recovering the lost host factor information through a fundamentally different methodological perspective
Solution Approach 2:
The patent changes the research parameter from directly screening host factors (which has low efficiency) to comparing gene expression profiles between resistant (Huh7-C10) and susceptible cell lines. This parameter change enables high-throughput identification of host factors through transcriptomic or proteomic analysis, significantly improving research efficiency while recovering previously neglected host factor information
2Quantity of substance
If genomics or proteomics is used to search for host factors regulating intercellular transmission, then comprehensive host factor screening is improved, but screening difficulty increases due to multiple candidate genes
Solution Approach 1:
The patent extracts the complexity of screening multiple candidate genes by using a pre-established cell line model (Huh7-C10) with defined resistance characteristics. Instead of conducting complex genome-wide or proteome-wide screens to identify host factors, the research can directly compare the resistant Huh7-C10 line with susceptible lines, extracting only the relevant host factor differences through targeted omics analysis. This significantly reduces screening complexity while maintaining comprehensive host factor identification
Solution Approach 2:
The patent performs preliminary action by pre-establishing the Huh7-C10 resistant cell line before conducting host factor identification studies. This pre-prepared model system has already undergone selection and characterization, so subsequent research can directly utilize this model to identify host factors through comparative analysis, avoiding the need to perform complex primary screens for each new study. The preliminary creation of this model system reduces the complexity of future host factor screening efforts
3Adaptability or versatility
If conventional cell lines are used to study α-herpesvirus intercellular transmission, then general applicability is maintained, but targeted research capability is reduced
Solution Approach 1:
The patent applies local quality by creating a cell line (Huh7-C10) with specific local characteristics - resistance to α-herpesvirus infection - while maintaining the general properties of a human liver cancer cell line. This allows the model to have both general applicability (as a human cell line) and targeted research capability (for studying resistance mechanisms, host factors, and intercellular transmission). The local quality of resistance provides a focused research platform without sacrificing the versatility of using a well-characterized human cell line system
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The Huh7-C10 cell strain provides a unique model for studying the intercellular transmission of α-herpesviruses, identifying specific host factors and mechanisms, and potentially leading to the development of new diagnostic and therapeutic approaches.
Implementation Method 1
sorting single cell clones into a 96-well plate using flow cytometry
Implementation Method 2
screening a single cell strain with a poor infection ability of the α-herpesvirus through the fluorescence intensity
Data Source
AI summary
The present disclosure discloses an α-herpesvirus insensitive monoclonal cell strain, and a preparation method therefor and use thereof, belonging to the technical field of biomedicine. In order to perform targeted research of intercellular transmission of an α-herpesvirus and an action mechanism thereof, the present disclosure discloses the α-herpesvirus insensitive monoclonal cell strain. The cell strain is named as a human liver cancer continuous cell line Huh7-C10 and has a potential of being applied to developing a new generation of enhanced oncolytic herpesvirus and single-round infection attenuated live vaccine.