SOC Channel Modulators for Immune Cell Specificity
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Solution Overview
Problem
Current technologies fail to effectively modulate store-operated calcium (SOC) channel activity, which is crucial for regulating various cellular functions, including cell proliferation, gene transcription, and cytokine release, as existing methods do not adequately inhibit SOC channel activity in nonexcitable cells like immune cells.
Innovation Solution
Development of compounds of Formula (I) and (II) that selectively inhibit CRAC channel activity by preventing the activation of store-operated calcium channels, thereby modulating intracellular calcium levels and interacting with proteins within the SOC channel complex.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing methods are used to modulate SOC channel activity, then general cellular calcium regulation is maintained, but effective inhibition of SOC channel activity in nonexcitable cells like immune cells is not achieved
Solution Approach 1:
The compound is designed to selectively inhibit SOC channels in nonexcitable cells (immune cells) while preserving function in excitable cells. This is achieved through specific molecular interactions with CRAC channel components that are predominantly expressed or functionally critical in nonexcitable cells, creating cell-type-specific inhibition without requiring different compounds for different cell types.
2Object-generated harmful factors
If SOC channel activity is inhibited to reduce cytokine release, then therapeutic benefits for autoimmune diseases are achieved, but cellular calcium signaling is affected
Solution Approach 1:
The inhibition is segmented to target specific pathological pathways (excessive cytokine release in autoimmune conditions) rather than blocking all calcium signaling. The compound selectively interferes with SOC-mediated calcium influx that drives pathogenic cytokine production while allowing other calcium signaling pathways (voltage-gated channels, store-independent pathways) to maintain essential cellular functions.
Solution Approach 2:
The compound acts as an intermediary that modulates the interaction between STIM and Orai proteins without completely disrupting calcium signaling. By binding to specific interfaces or conformational states of these proteins, it fine-tunes SOC channel opening probability and calcium influx magnitude, preserving baseline signaling while preventing pathological overactivation.
Data Source
AI summary
Described herein are compounds and pharmaceutical compositions containing such compounds, which modulate the activity of store-operated calcium (SOC) channels. Also described herein are methods of using such SOC channel modulators, alone and in combination with other compounds, for treating diseases or conditions that would benefit from inhibition of SOC channel activity.