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Table 6 Autism: Clinical and model metabolic changes (%)*

From: A mathematical model of glutathione metabolism

substrate

clinical change 1

clinical change 2

H2O2 × 5

H2O2 × 5 adenosine up

Hcy

-5

-9

-19

-39

Met

-26

-39

-20

-26

bCys

-20

-19

-9

-9

bGSH

-32

-46

-35

-34

SAM

-10

-22

-61

-22

SAH

24

49

-54

24

bGSH/bGSSG

-48

-66

-88

-88

5mTHF

--

--

154

144

vDNMT

--

--

-6

-10

  1. *Clinical data in columns 1 and 2 are average changes in blood levels of metabolites in autistic children compared to control patients [14, 15]. Columns 3 and 4 show % changes in model values. In columns 3 and 4 bCys, bGSH and bGSSG indicate model blood concentrations, and the other metabolites are intracellular. vDNMT is the velocity of the DNA methylation reaction (μM/hr). Column 3 shows the effect of severe oxidative stress that is a factor of 5 higher than normal. Column 4 shows the effect of adding increased adenosine concentration to the oxidative stress. For discussion, see the text.