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Magnesium pidolate and magnesium aspartate effects on human amniotic membrane ionic permeability in vitro
A Guiet-Bara1, J Durlach, M Bara
1Laboratory of Physiopathologie de l'Implantation et du Développement, University P.M. Curie, Paris, France.
Magnesium Research
|December 28, 1999
Summary
Magnesium pidolate and magnesium aspartate affect ionic transfer across the human amniotic membrane differently. Magnesium aspartate
Area of Science:
- Biophysics
- Pharmacology
Background:
- Magnesium is crucial for physiological processes.
- Understanding magnesium's interaction with biological membranes is important for drug development.
Purpose of the Study:
- To investigate the effects of magnesium pidolate and magnesium aspartate on ionic transfer across the human isolated amniotic membrane.
- To compare the influence of different magnesium salts on membrane conductance and ionic flux.
Main Methods:
- Utilized a human isolated amniotic membrane as a model system.
- Measured total conductance (GtM, GtF) and ionic fluxes (F1, F2) across the membrane.
- Assessed the ratio of ionic fluxes (F1/F2) under varying concentrations of magnesium salts.
Main Results:
- Magnesium pidolate did not alter membrane conductance (GtM, GtF) or the ionic flux ratio (F1/F2).
- Magnesium aspartate demonstrated a concentration-dependent effect on GtM and decreased GtF.
- Both salts reduced ionic fluxes (F1, F2), but magnesium aspartate increased the F1/F2 ratio.
Conclusions:
- The anion associated with magnesium significantly influences its effect on ionic transfer across biological membranes.
- Screening and/or binding interactions with membrane moieties explain the observed effects.
- Results highlight the importance of salt form in magnesium's pharmacokinetic and pharmacodynamic properties.