Cell Signaling and Signal Transduction

Paper Summary:

This paper looks at cell signaling and signal transduction. The paper examines the different types of receptors and how they function in receiving and reacting to signals from the external environment. It looks at how the signals are transduced and produce second messengers within the cells. It also looks at CA27.29, the breast cancer marker and how it may be involved in tumor progression.

From the Paper:

"Cells need to communicate with their environment so they can respond appropriately. The external signal to the cell may come from one of four major pathways; hydrophobic molecules, ion channels, G-protein-coupled receptors or enzymes. The signal often continues to propagate through the cell and may reach the nuclear DNA to induce the expression of proteins. Hydrophilic molecules can move in and out of cells by passing through the lipid bilayer. Nitric oxide (NO), arachidonic acid and steroids play important roles in cell signaling. With NO andarachidonic acid..."

More papers on Cell Signaling and Signal Transduction:

• Research Paper # 104248 : "Signal Transduction Pathways"
• Research Paper # 55438 : "Synergistic Actions of IGF-I and Estrogen"
• Term Paper # 110604 : "Synaptic Transmission"

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