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Interaction of agonists of a different subtype of the nAChR and carvacrol with GABA in Ascaris suum somatic muscle contractions

Open Access
|Jan 2021

Figures & Tables

Figure 1:

A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of pyrantel and the effect of GABA (3 μM) and Carvacrol (100 μM) on those contractions; B the concentration-response plot for pyrantel control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and Carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).
A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of pyrantel and the effect of GABA (3 μM) and Carvacrol (100 μM) on those contractions; B the concentration-response plot for pyrantel control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and Carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).

Figure 2:

A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of bephenium and the effect of GABA (3 μM) and Carvacrol (100 μM) on those contractions; B the concentration-response plot for bephenium control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and Carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).
A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of bephenium and the effect of GABA (3 μM) and Carvacrol (100 μM) on those contractions; B the concentration-response plot for bephenium control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and Carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).

Figure 3:

A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of morantel and the effect of GABA (3 μM) and carvacrol (100 μM) on those contractions; B the concentration-response plot for morantel control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).
A Original recording of isometric contractions of A. suum muscle flap induced by increasing concentrations of morantel and the effect of GABA (3 μM) and carvacrol (100 μM) on those contractions; B the concentration-response plot for morantel control (n = 6, blue), in the presence of GABA 3 μM (n = 6, green), in the presence of GABA and carvacrol 100 μM (n = 6, red) and after washing (n = 6, dashed black) (mean ± S.E.).

EC50 (±S_E_) values of pyrantel, bephenium, and morantel in the presence of GABA and carvacrol_

ControlGABA 3 μMGABA 3 μM + Carvacrol 100 μMWash
Pyrantel (nM)8.44 ± 1.5628.11 ± 1.61****44.62 ± 2.70****++++ 20.51 ± 2.34***oooo
Bephenium (μM)0.62 ± 0.110.96 ± 0.211.40 ± 0.12***1.32 ± 0.09**
Morantel (nM)3.72 ± 1.735.69 ± 2.127.94 ± 2.3515.81 ± 4.03*+

R max (g ± S_E_) values of pyrantel, bephenium, and morantel in the presence of GABA and carvacrol_

ControlGABA 3 μMGABA 3 μM + Carvacrol 100 μMWash
Pyrantel1.52 ± 0.121.38 ± 0.200.47 ± 0.15****+++ 0.77 ± 0.17**+
Bephenium2.20 ± 0.302.18 ± 0.340.89 ± 0.22**++ 1.15 ± 0.23*+
Morantel1.16 ± 0.070.99 ± 0.110.39 ± 0.11****+++ 0.59 ± 0.15***o
DOI: https://doi.org/10.21307/jofnem-2021-022 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
Language: English
Page range: 1 - 8
Published on: Jan 1, 2021
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2021 Djordje S. Marjanović, Saša M. Trailović, Mirjana Milovanović, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.