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Why pregnant women should limit vitamin A intake

Excessive-doses of vitamin A could adversely have an effect on improvement of blood cells, thereby inflicting hurt to the foetus within the course of, says new analysis.

why-pregnant-women-should-limit-vitamin-a-intake

Even when vitamin A is required for a standard being pregnant, pregnant ladies have, due to this fact, been advisable to restrict their consumption of meals which can be excessive in vitamin A.

“Our outcomes present that vitamin A in excessive doses has a adverse impact on blood growth. This implies that there’s a further cause for pregnant girls to keep away from extreme consumption of vitamin A throughout being pregnant,” mentioned Niels-Bjarne Woods from Lund College in Sweden.

The sign molecule, retinoic acid, is a product of vitamin A which helps to instruct how several types of tissue are to be shaped within the rising embryo. The researchers studied the consequences of retinoic acid in relation to how blood cells develop from human stem cells.

Within the laboratory mannequin, the stem cells have been uncovered to particular sign molecules, thereby creating into blood-producing cells.

The researchers noticed that elevated ranges of retinoic acid drastically decreased the variety of blood cells that might be produced.

A discount within the retinoic acid as an alternative elevated the manufacturing of blood cells by 300 %.

Whereas the idea that retinoic acid impacts blood cell growth has been demonstrated in animal fashions, that is the primary time the experiments have been carried out utilizing human cells, the researchers famous.

The examine appeared within the journal Stem Cell Reviews.

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