2. Cholera exotoxin (choleragen), produced by Vibrio cholerae (inf). This exotoxin catalyzes the ADP-ribosylation of a host cell protein called Gs that turns the synthesis of a metabolic regulator molecule callec cyclic AMP (cAMP) on and off. In this case, synthesis stays turned on.
Question: What is end-stage glaucoma, and how serious is it? Answer: End-stage glaucoma is generally the term we apply when there is very advanced disease. It is a very serious situation because that means there's not very much healthy tissue left. In other words, there has been a lot of visual damage.
Glaucoma is one of the leading causes of blindness in the United States. It can occur at any age but is more common in older adults. The most common form of glaucoma has no warning signs. The effect is so gradual that you may not notice a change in vision until the condition is at an advanced stage. Vision loss due to glaucoma can't be recovered. So it's important to have regular eye exams that include measurements of your eye pressure.