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Blood pressure in pregnancy and magnesium sensitive genes #MMPMID26104253
Nestler A; Rylander R; Kolisek M; Nielsen T; Odman N; Vormann J; Bullarbo M
Pregnancy Hypertens 2014[Jan]; 4 (1): 41-5 PMID26104253show ga
OBJECTIVES: High blood pressure during the last part of pregnancy is a risk indicator of pre-eclampsia and eclampsia which augment infant and maternal morbidity and mortality. Magnesium deficiency has been related to the risk of hypertension. A study was performed to assess the relation between pregnancy induced hypertension, excretion of urinary magnesium and expression of magnesium sensitive genes (MgSG). METHODS: A cohort of healthy, nulliparous women with singleton pregnancies was recruited. Blood pressure was recorded throughout pregnancy. Urinary magnesium excretion and expression of MgSGs in leukocytes were determined. RESULTS: The expression of the gene TRPM6 was higher among pregnant women compared to non-pregnant controls at week 12. All other genes had lower expressions in pregnant women. At week 37 the expressions of all genes were lower than at week 12. The expressions of SLC41A1, SLC41A3, and TRPM7 were related to the systolic and diastolic blood pressures. Furthermore, the expression of TRPM6 was related to the urinary excretion of magnesium and the change in diastolic blood pressure weeks 12-37 was inversely related to the change in magnesium excretion. CONCLUSIONS: Systolic and diastolic blood pressure and the excretion of magnesium during pregnancy were related to the expression of different MgSGs. The results suggest that magnesium is involved in the regulation of blood pressure during pregnancy.
Pregnancy+Hypertens 2014 ; 4 (1): 41-5
