Most cell signals are chemical in nature. For example, prokaryotic organisms have sensors that detect nutrients and help them navigate toward food sources. In multicellular organisms, growth ...

This usually arises either from a loss of key signaling molecules in the TGF-β signal transduction pathway (e.g., TGF-β receptors ... tumor suppressor genes which cause the cell to stop proliferation ...

Rice University bioengineers have developed a new construction kit for building custom sense-and-respond circuits in human ...

Cite this: Bone Signaling Pathways and Treatment of Osteoporosis ... Bone mass and strength are maintained by the bone remodeling cycle involving the integrated actions of osteocytes, osteoclasts ...

Bone mass and strength are maintained by the bone remodeling cycle involving the integrated ... RANKL/osteoprotegerin/RANK signaling regulates bone resorption and is essential for ...

When they detect the presence of RNA viruses, they activate interferons through the mitochondrial antiviral signaling (MAVS) pathway. The MAVS protein resides on the outer membrane of a cell's ...