All articles tagged with #cell signaling
Scientists are uncovering the complex, active communication system of plant cell walls, which play a crucial role in growth, defense, and adaptation. Advances in molecular biology reveal how cell wall components like pectin and cellulose send signals that influence plant shape and resilience, opening new possibilities for crop improvement and sustainable agriculture.
Scientists discovered that memories are stored not only in the brain but also in other body cells, with spaced chemical signals enhancing and prolonging cellular responses, suggesting that learning principles like timing and pattern are fundamental to all cells, not just neurons.
The article discusses a study on enhancing antigen-induced cellular responses using proximity labelling techniques, with data available from various repositories and analysis code on GitHub, highlighting advances in immune signaling and proteomics methods.
Scientists discovered that inhibiting the overactive enzyme LRRK2 in mice with a Parkinson's-related mutation can restore damaged brain cells, regrow cellular antennae called cilia, and improve dopamine signaling, suggesting a potential approach to reverse early Parkinson’s damage.
Scientists have discovered a unique form of cell messaging in the human brain, involving a novel 'graded' signal produced by cortical cells using calcium ions, leading to the identification of calcium-mediated dendritic action potentials (dCaAPs). This finding suggests that individual neurons in the human brain may have more computational power than previously thought, potentially allowing for exclusive OR (XOR) intersections. Further research is needed to understand the implications of this discovery and its potential applications in both neuroscience and technology.
Researchers at Goethe University Frankfurt have discovered how mitochondria communicate with the cell when under stress. Mitochondria release reactive oxygen compounds and block the import of protein precursors, causing them to accumulate in the cell. This triggers a chemical change in a protein called DNAJA1, which then interacts with the folding assistant HSP70. HSP70 takes care of the misfolded protein precursors, reducing its interaction with its regular partner HSF1. HSF1 is then released and can trigger the cell's anti-stress mechanism for the mitochondria. The study sheds light on the intricate signaling pathways between mitochondria and cells during times of stress.