Perhaps you should try some spelling variations:
pain decreased » pain decrease (Expand search), in decreased (Expand search), brain decreases (Expand search)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
decreased ant » decreased and (Expand search), decreased akt (Expand search), decreased akt1 (Expand search)
ant processes » art processes (Expand search), at processes (Expand search), grant processes (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease pain decreased ant processes ) OR ( decrease _ decrease at decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pain decreased ant processes ) OR ( decrease _ decrease at decrease ))*.