ISRIB (trans-isomer) is a potent cellular stress modulator that targets the integrated stress response (ISR) pathway. It is widely used in neuroscience research due to its ability to enhance cognitive functions such as memory and learning in animal models. By inhibiting the effects of stress signaling in cells, ISRIB has shown promise in restoring normal protein synthesis in neurons, making it a valuable tool for studying neurodegenerative diseases like Alzheimer’s and traumatic brain injury. It has also been investigated for its potential to reverse cognitive deficits caused by aging or viral infections. Additionally, ISRIB is used in virology and oncology research to explore how controlling cellular stress can influence viral replication and tumor cell survival. Its ability to cross the blood-brain barrier enhances its utility in central nervous system studies.