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Cellular Signal Transduction Lipids

Meaning

Cellular Signal Transduction Lipids are a distinct class of lipid molecules embedded within or derived from the cell membrane that actively participate in relaying external signals into the cell’s interior. These lipids, including phosphoinositides and sphingolipids, act as secondary messengers, triggering downstream enzymatic activities that ultimately alter gene expression or cellular behavior. They are essential intermediaries in the communication network that allows cells to respond to hormones, growth factors, and environmental changes. Their precise regulation is fundamental for maintaining cellular homeostasis and proper endocrine responsiveness.