PT - JOURNAL ARTICLE AU - Celio, MR TI - Parvalbumin in most gamma-aminobutyric acid-containing neurons of the rat cerebral cortex AID - 10.1126/science.3945815 DP - 1986 Feb 28 TA - Science PG - 995--997 VI - 231 IP - 4741 4099 - http://science.sciencemag.org/content/231/4741/995.short 4100 - http://science.sciencemag.org/content/231/4741/995.full SO - Science1986 Feb 28; 231 AB - gamma-Aminobutyric acid (GABA) is one of the major inhibitory neurotransmitters in the central nervous system. In the cerebral cortex, GABA-containing cells represent a subpopulation of interneurons. With semithin frozen sections, it is possible to demonstrate that most GABA neurons in the rat somatosensory cortex contain the calcium-binding protein parvalbumin and that parvalbumin is found virtually only in GABA neurons. Parvalbumin seems to influence the electrical properties and enzymatic machinery to modulate neuronal excitability and activity. The specific role of parvalbumin in GABA-containing cortical cells may be related to controlling the effectiveness of their inhibitory action.