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Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells
Published on: May 16, 2019
Unravelling the complex interplay between zinc, iron and their synergistic effect on LCPUFA metabolism in
Vaishnavi Mudgal1, Juhi Nema1, Sadhana Joshi1
1Mother and Child Health, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth (Deemed to be University), Pune, India.
Insights
Zinc and iron deficiency during pregnancy are linked to preeclampsia. These micronutrients are crucial for long-chain polyunsaturated fatty acids (LCPUFAs) synthesis, impacting pregnancy outcomes.
Area of Science:
- Obstetrics and Gynecology
- Nutritional Science
- Biochemistry
Background:
- Preeclampsia is a significant cause of maternal mortality and morbidity.
- Long-chain polyunsaturated fatty acids (LCPUFAs) are vital for placental and fetal development.
- Zinc and iron are essential micronutrients for pregnancy, and their deficiencies are linked to preeclampsia.
Purpose of the Study:
- To review the role of zinc, iron, and LCPUFAs in preeclampsia.
- To elucidate the synergistic mechanisms of zinc and iron in LCPUFA biosynthesis during preeclampsia.
Main Methods:
- Literature review of studies on zinc, iron, LCPUFAs, and preeclampsia.
- Analysis of the biochemical pathways involving zinc and iron as cofactors for desaturase enzymes.
Main Results:
- Zinc and iron deficiencies are common in pregnancy and often coexist.
- Zinc and iron influence each other's bioavailability and absorption.
- These micronutrients are critical for the biosynthesis of LCPUFAs, essential for fetal development.
Conclusions:
- Zinc and iron play a synergistic role in LCPUFA biosynthesis.
- Understanding these interactions may offer insights into managing preeclampsia.
- Micronutrient status, particularly zinc and iron, is critical in preeclampsia pathophysiology.
Abstract:
Preeclampsia is a hypertensive disorder of pregnancy. It is a leading cause of maternal mortality and morbidity. Long-chain polyunsaturated fatty acids (LCPUFAs) are critical for normal placental and fetal development. Biosynthesis of these LCPUFAs is regulated by Δ5 and Δ6 desaturase enzymes, which require zinc and iron as cofactors. Both zinc and iron are important micronutrients which play pivotal role during pregnancy and their deficiency during pregnancy is linked with preeclampsia. Zinc and iron deficiency is common in pregnancy and often coexists. Zinc and iron interact in complex ways, influencing the bioavailability of each other. On the other hand, zinc is required for intestinal uptake and transport of iron. The current article summarizes studies examining the role of zinc, iron and LCPUFAs in preeclampsia. It also gives a mechanistic insight through which zinc and iron synergistically influence LCPUFA biosynthesis in pregnancy complicated with preeclampsia.
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