In the eukaryotic chemosensory signaling circuit, attractant signals sensed by cell-surface receptors are amplified by a positive feedback loop at the leading edge of the cell. The feedback loop, in ...

The activation of a single G protein can affect the production of hundreds or even thousands of second messengers, affecting various cellular processes and physiological functions.

Proceedings of the National Academy of Sciences of the United States of America, Vol. 87, No. 5 (Mar., 1990), pp. 2040-2044 (5 pages) Presynaptic facilitation of transmitter release contributes to ...

Researchers evaluated immunoglobulin G (IgG) responses to coronavirus disease 2019 (COVID-19) messenger ribonucleic acid (mRNA) vaccinations.