Then he came across a paper published in the Journal of Medical Genetics that mentioned a young boy who had a genetic disorder that may be related to NGLY1 mutations . A new genetic disorder called crying deficiency is identified in two children . NGLY1 mutation causes developmental delay , liver disease . Kids with the disorder are usually unable to shed tears . Fathers of two kids with the deficiency propose new model for scientists .
A new genetic disorder called crying deficiency is identified in two children . NGLY1 mutation causes developmental delay , liver disease . Kids with the disorder are usually unable to shed tears . Fathers of two kids with the deficiency propose new model for scientists .