Table 1.
A list of TNF-α-induced neuroprotective and neurodegenerative molecules
Gene product | Modulation | Cell type | Reference | Effect on neurons | Remark |
---|---|---|---|---|---|
Bcl-2 | Up-regulated | Neuron | Tamatani et al. (1999) | Neuroprotection | Enhances cell survival by inhibiting apoptosis |
Bcl-XL | Up-regulated | Neuron | Tamatani et al. (1999) | Neuroprotection | |
MnSOD | Up-regulated | Neuron/Astrocytes | Bruce-Kellar et al. (1999) | Neuroprotection | Reduces reactive oxygen species toxicity by superoxide scavenging |
Calbindin | Up-regulated | Neuron | Cheng et al. (1994) | Neuroprotection | Binds Ca2+, maintains Ca2+ homeostasis |
c-IAP-2 | Up-regulated | Spinal cord | Kim et al. 2001 | Neuroprotection | Induces survival signal from TNF receptors |
Fractalkine (CX3CL1) | Up-regulated | Astrocyte | Yoshida et al. (2001) | Neuroprotection | Inhibits gp120 toxicity |
MIP-1β | Up-regulated | Astrocyte | Guo et al. (1998) | Neuroprotection (?) | Related with preservation of cognitive function at higher conc. |
RANTES | Microglia | McManus et al. (1998) | |||
CXCR4 | Down-regulated | Astrocyte | Han et al. (2001) | Neuroprotection | Delimits astrogliosis |
GluR1 (AMPA- receptor subunit) | Up-regulated | NT2-N neurons | Yu et al.2002 | Neurodegeneration | Increases susceptibility to EAA toxicity |
iNOS | Up-regulated | Neuron | Combs et al. 2001 | Neurodegeneration | Peroxynitrite toxicity |
ICAM-1 | Up-regulated | Astrocyte | Lee et al. (1998) | Neuronal injury | Helps viral trafficking across BBB |
VCAM-1 | Up-regulated | Astrocyte | Winkler and Benveniste (1998) | Neuronal injury | Enhances astrogliosis, EAA accumulation. |
TNF-R2 | Up-regulated | Astrocyte | Lung et al. 2001 | Neuronal injury | Modulates microglial activation |
MCP-1 | Up-regulated | Astrocyte | Andjelkovic et al. (1999) | Neuronal damage | |
ADAM8 | Up-regulated | Neuron, astroglia, microglia | Schlomann et al. 2000 | Neuronal damage (?) | Neuro-glial interaction during inflammation (MMP) |