NFkB Target Gene Expression Profiling for Cellular Function Identification
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Solution Overview
Problem
Current methods for determining the cellular function associated with an active NFkB cellular signaling pathway are inadequate, as they only indicate pathway activity without specifying the underlying function, which is crucial for therapeutic decisions, especially in cancer treatment where blocking NFkB activity may have contrasting effects depending on its functional state.
Innovation Solution
A method involving the determination of expression levels of specific NFkB target genes, such as BCL2, BCL2L1, CCND2, SKP2, CYP27B1, IGHE/IGHG1, BIRC3, CCL2, GZMB, SOD2, and MMP1, to identify the cellular function of an active NFkB pathway, allowing for differential expression analysis to determine cell division, apoptosis, or oxidative stress protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If NFkB pathway activity is determined using conventional methods, then pathway activity status is identified, but the specific cellular function remains unspecified
Solution Approach 1:
The NFkB target genes are segmented into three distinct functional groups: cell division genes (BCL2, BCL2L1, CCND2, SKP2, CSF1, NOX1, SERPINE2), apoptosis genes (CYP27B1, IGHE, IGHG1), and oxidative stress protection genes (BIRC3, CCL2, GZMB, SOD2, CCL5, MMP1). By analyzing expression levels within each group separately, the method identifies which specific cellular function is driven by the active NFkB pathway, thereby recovering the lost functional information without requiring an overly complex system.
2Adaptability or versatility
If NFkB pathway is blocked in cancer treatment, then tumor growth may be inhibited, but immune response may be compromised
Solution Approach 1:
The method applies local quality by determining the specific cellular function (cell division, apoptosis, or oxidative stress protection) driven by the NFkB pathway in each patient's tumor cells. This functional characterization allows for tailored therapeutic approaches: tumors with dominant cell division signatures may benefit from NFkB inhibition, while those with apoptosis or oxidative stress signatures may require alternative strategies or combination therapies, thereby improving both adaptability and predictability of therapeutic outcomes.
Data Source
Figure 1
AI summary
Target genes of the NFkB cellular signaling pathway are disclosed, which are associated with a cellular function such as cell division, apoptosis or protection against oxidative stress of an active NFkB cellular signaling pathway and can be used for determining a cellular function of an active NFkB cellular signaling in a human subject.