Pain threshold results The results of measuring pain response latency in all animal groups are presented in Table 4
28 Professor Abraham Spector, Ph.D., director of the Biochemistry and Molecular Biology Lab in the Department of Ophthalmology at Columbia University, has concurred that mercury reaching the eye can be expected to combine with and defuse the sulfhydryl amino-acid rich enzymes (SOD, GSH.px and catalase) that normally protect the lens from superoxide radicals and their sequelae
It occurs naturally in human plasma, saliva, and urine, and its plasma concentration declines significantly with age, from approximately 200 ng/mL in young adults to much lower levels in older individuals
"Gamma-carboxyglutamate-containing proteins and the vitamin K-dependent carboxylase"
This suggests that the number of deregulated genes does not proportionally increase, and the regulatory system has a limited functional capacity