Tina Khanam, B.Sc., Geoffrey Burnstock, Ph.D., D.Sc.

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Presentation transcript:

Changes in expression of P2X1 receptors and connexin 43 in the rat myometrium during pregnancy Tina Khanam, B.Sc., Geoffrey Burnstock, Ph.D., D.Sc. Fertility and Sterility Volume 88, Issue 4, Pages 1174-1179 (October 2007) DOI: 10.1016/j.fertnstert.2007.01.130 Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

Figure 1 (a–d) Labeling of rat myometrial smooth muscle cells for connexin 43 (green) and counterstaining with 4′6, diamidino-2-phenylindole to visualize the nuclei (blue) during pregnancy at different stages: (a) day 4, (b) day 14, (c) day 20, and (d) day 1 postpartum. Note the increase in connexin 43 staining at day 14 and day 20. At day 1 postpartum, connexin 43 staining was only observed within a subpopulation of macrophage-like cells (arrows). Bars = 20 μm. (e–h) Immunolabeling of rat myometrial smooth muscle cells for P2X1 receptors (red) during pregnancy at different stages: (a) day 4, (b) day 14, (c) day 20, and (d) day 1 postpartum. Note the increase in expression of P2X1 receptors in (d). Bars = 20 μm. Khanam. P2X1 receptors and Cx43 in myometrium. Fertil Steril 2007. Fertility and Sterility 2007 88, 1174-1179DOI: (10.1016/j.fertnstert.2007.01.130) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

Figure 2 Histograms showing the results of the quantification of connexin 43 (a) and P2X1 receptors (b) in rat myometrial smooth muscle cells during pregnancy and 1 day postpartum. Bars represent the mean number of particles per 158.73 μm2 (± SEM). Statistical significance is indicated where a data set is significantly different from the preceding data set: ∗∗∗P<.001. Khanam. P2X1 receptors and Cx43 in myometrium. Fertil Steril 2007. Fertility and Sterility 2007 88, 1174-1179DOI: (10.1016/j.fertnstert.2007.01.130) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions