Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Presurgical exposure to chronic unpredictable stress reduced brain-derived neurotrophic factor (BDNF) proteins in the L4/5 dorsal horn (A), L4/5 dorsal root ganglion (DRG) (B), amygdala (C), anterior cingulate cortex (D), and insular cortex (E) on day 11 after surgery. Results are expressed as mean ± SEM. *P < .05, ***P < .001 vs the corresponding incision plus control group (n = 10/group).
