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CT induced ion secretion can be inhibited by pretreating the tissue with AAL and PNA.

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posted on 2018-02-12, 18:46 authored by Jakob Cervin, Amberlyn M. Wands, Anna Casselbrant, Han Wu, Soumya Krishnamurthy, Aleksander Cvjetkovic, Johanna Estelius, Benjamin Dedic, Anirudh Sethi, Kerri-Lee Wallom, Rebecca Riise, Malin Bäckström, Ville Wallenius, Frances M. Platt, Michael Lebens, Susann Teneberg, Lars Fändriks, Jennifer J. Kohler, Ulf Yrlid

Human jejunal mucosae were pre-incubated with or without AAL or PNA at the indicated concentrations, mounted in an Ussing chamber and exposed to CT. (A) Dot plot showing percent difference in Iep to control tissue for jejunal mucosae over time. Each dot represents a mean of 4–7 donors (each treatment for each donor was tested in duplicates) with SEM error bars. Significance was calculated using a two-way-ANOVA with Tukey correction (compared to the CT). * represent CT to CT+AAL comparison and † represent CT to CT+PNA comparison (**** = p<0.0001 and ** = p<0.01). (B) Dot plot showing percent of start Iep for jejunal mucosae at 180 min. AAL, PNA-treated or untreated tissue were treated with forskolin (or forskolin analog NKH477) bilaterally at 200 min. CT treated tissue were treated with bumetanide at 200 min. Each dot represents a mean of 2–3 donors (each treatment for each donor was tested in duplicates). Error bars show SEM.

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