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(Circulation Research. 2009;105:e1.)
© 2009 American Heart Association, Inc.

Correction

IP₃ Constricts Cerebral Arteries via IP₃ Receptor-Mediated TRPC3 Channel Activation and Independently of Sarcoplasmic Reticulum Ca²⁺ Release: Correction

In the article that appeared on page 1118 of the May 9, 2008, issue, the composition of the pipette solution used to record cation currents in the whole-cell configuration was incomplete. In addition to containing EGTA (5 mmol/L), the pipette solution also contained CaCl₂ to produce a free Ca²⁺ concentration of 100 nmol/L. The inclusion of CaCl₂ in the pipette solution was omitted from the Materials and Methods section of the article. This methodological amendment does not alter any of the conclusions made in the article. The authors regret the error.

This error has been noted in the online version of the article, which is available at http://circres.ahajournals.org/cgi/reprint/102/9/1118

Reference

1. Xi Q, Adebiyi A, Zhao G, Chapman KE, Waters CM, Hassid A, Jaggar JH. IP₃ Constricts cerebral arteries via IP₃ receptor-mediated TRPC3 channel activation and independently of sarcoplasmic reticulum Ca²⁺ release. Circ Res. 2008;102:1118–1126.

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