4). Because signal transduction pathways represent the nexus through which nearly all biological information moves between and within cells and across organisms, manipulating these pathways is ...

One example is follicle-stimulating hormone ... cell and subsequently transmit the signal through a sequence of molecular switches to internal signaling pathways. Membrane receptors fall into ...

Attisano, J.L. Wrana, "MADR1, a MAD-related protein that functions in BMP2 signaling pathways," Cell, 85:489-500 ... If there is one thing that is known about the mechanisms that govern signal ...