The stomach acids help to have strong bones



Germany - The team of Professor Amling of the University of Hamburg showed some stomach acids involved in bone turnover. Some acids in gastric juice would be important to build and maintain healthy bones.

First, scientists have studied mice and men carrying a mutation Tcirg1. From these people and animals, the bones are not as strong as bone mineralization, the deposit of calcium salts is lower. Tcirg1 the gene involved in the synthesis of proteins needed for cells of the stomach, making the stomach more acidic. However, in animals and people tested, the pH is less acidic.

The researchers then assumed that the acid of gastric juice could participate in the assimilation of calcium. Tests on mice carrying the mutation Tcirg1 have shown that much of the calcium provided by food is eliminated directly, without having been absorbed by the stomach.

To confirm this, the scientists gave the mice of calcium gluconate, food supplement that the body assimilates without the help of gastric juices. With this contribution, no bone loss was observed in mice. Without calcium gluconate, the cells will attack the bones to extract the calcium they need, thus promoting bone fragility.

The heartburn drugs against stomach could therefore increase the risk of bone fracture, what scientists are now trying to determine more precisely.

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