天堂VA视频一区二区_色卡网站PROC免费_国产真实乱了露脸在线观看_变态拳头交视频一区二区_国产精品无码A∨精品影院APP_亚洲国产精品无码久久_成年无码AV片在线_亚洲欧美综合国产不卡

The JAK-STAT signalling pathway is a chain of interactions between proteins in a cell, and is involved in processes such as immunity, cell division, cell death and tumour formation. The pathway communicates information from chemical signals outside of a cell to the cell nucleus, resulting in the activation of genes through a process called transcription.