In mouse hypothalamic cell line, serum starvation induced neurite outgrowth.
Prostaglandin (PG) D2 elicited reversible neurite retraction.
The effect of PGD2 was inhibited by N-acetyl cysteine but not by a PPARγ antagonist.
The effect of PGD2 was mimicked by 15-deoxy-Δ12,14-prostaglandin J2.