Review Article

Protective Actions of 17β-Estradiol and Progesterone on Oxidative Neuronal Injury Induced by Organometallic Compounds

Table 1

Genes involved in antioxidative neuroprotection mediated by 17β-estradiol in the CNS.

Target gene (up or down)Proposed effectsReference(s)

SOD1 (↑)ROS elimination[24, 28]
SOD2 (↑)ROS elimination[28]
GPx (↑)ROS elimination[25]
Catalase (↑)ROS elimination[25]
iNOS (↓)Decreases in reactive radicals[25, 69, 70]
nNOS (↓)Decreases in reactive radicals[25]
GST (↑)Elimination of ROS-derived reactive metabolites[30]
NQO1 (↑)Elimination of ROS-derived reactive metabolites[30]
Seladin-1 (↑)Antiapoptosis[33, 34]
Neuroglobin (↑)Antiapoptosis, anti-inflammation[40, 41]
IL-6 (↓)Anti-inflammation[41]
IP-10 (↓)Anti-inflammation[41]
MMP-9 (↓)Anti-inflammation[25, 69, 70]
Cytochrome c oxidase (↑)Increment of mitochondrial efficiency[50]
Bax (↓)Antiapoptosis[42]

IL-6: interleukin-6; IP-10: IFN-gamma-inducible protein 10; MMP-9: matrix metalloproteinase-9; NOS: nitric oxide synthase; NQO1, NADPH: quinone oxidoreductase 1.