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 ...
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 ...