Thus, it indicated that the stimulation of calcium messenger system and accumulation of active oxygen free radical were closely related to fruits maturation and senescence.

表明细胞内钙信使系统的活化和活性氧自由基的积累与果实成熟衰老密切相关。

youdao

Acting as a messenger between the central nervous system and the major organs, the vagus nerve slows the heart rate (through the release of the neurotransmitter acetylcholine), calms the immune response (by controlling the release of proteins called cytokines), and communicates with the muscles that control respiration and digestion.

CNN: What really makes people happy

The bacteria interacts with a molecule called IL-8 which should act as the messenger to rally other parts of the immune system to attack the "invader".

BBC: NEWS | Health | How the flesh-eating bug attacks

The strain affecting the patient was isolated and grown in the lab, and biochemical analysis found that the bacteria prevented the immune system responding as normal by "shooting the messenger".

BBC: NEWS | Health | How the flesh-eating bug attacks