How does genetic engineering people with diabetes?

Genetic engineering in some terms is the process of making new genetic codes that are missing from certain people and diabetes is the process of having high blood glucose so you could maybe by some chance re engineer your glucose levels if thats possible

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass