CAUSES OF HIGH AMMONIA. Ammonia is a normal by-product of processing nitrogen in the body, and is excreted as waste in the urine, in healthy people. However, elevated blood ammonia levels can occur when the kidneys or liver are not working properly, allowing this waste to remain in the bloodstream, which can be poisonous to your cells.
Spina bifida research scientists are looking at a possible genetic cause of spina bifida. The goal of this research is to find the genetic factors that make some children more susceptible to neural tube defects than others.
The genetic disorder that is Neruofibromatosis Type 1 originates from the NF1 gene that is located in the long arm of chromosome 17. While the role of the NF1 gene is not fully understood, it is known, however, that it produces the protein product neurofibromin.