Cellular defense is a research area that focuses on understanding how cells protect themselves from external threats such as pathogens, toxins, and other harmful substances. This involves studying the mechanisms by which cells detect and respond to these threats, including processes such as immune response, inflammation, and cell death. Researchers in this field aim to uncover the molecular pathways that regulate cellular defense mechanisms in order to develop new strategies for treating and preventing diseases. Topics of interest in cellular defense research include the role of the immune system, cellular signaling pathways, and the interactions between cells and pathogens.