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. 2018 Feb 2;8:2239. doi: 10.1038/s41598-018-20722-5

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Sustained LHR/FSHR Ca2 + release is Gαq/11 and Gβγ-dependent. (a,b) HEK 293 cells stably expressing LHR were pre-treated with FR900359, a Gαq/11 inhibitor (a) (1 μM, 2 h) or a Gβγ inhibitor gallein (b) (1 h) and intracellular Ca²⁺ levels in response to LH (100 nM) were measured. Representative fluorescent traces over time with baseline fluorescence subtracted are shown in a(i) and b(i). For a(ii) and b(ii) results are expressed as area under the curve from n = 3–5 experiments. **p < 0.01, ****p < 0.0001.