Review Article

The Immunomodulatory Effect of Alpha-Lipoic Acid in Autoimmune Diseases

Table 2

Evidence of ALA on innate immune cells.

NK cellMacrophageMonocyte

Animal modelEAEInhibit the phagocytosis of myelin.Decrease monocytes infiltration into the CNS.
High fat diet miceSuppress infiltration and activation of macrophage to attenuate visceral adipose inflammation.
BMDM or
RAW 264.7
Decrease the production of MCP-1 and TNF-α induced by LPS.

Normal humanIncrease cAMP production to suppress cytotoxicity and IFN-γ production.Induce the expression of HO-1 by Nrf2.

ALA: α-lipoic acid.
NK cell: natural killer cell.
EAE: experimental autoimmune encephalomyelitis.
CNS: central nervous system.
BMDM: bone marrow-derived macrophages.
MCP-1: monocyte chemotactic protein 1.
TNF-α: tumor necrosis factor-alpha.
LPS: lipopolysaccharide.
cAMP: cyclic adenosine monophosphate.
IFN-γ: interferon-γ.
HO-1: heme oxygenase-1.
Nrf2: nuclear factor-erythroid 2-related factor.