Fig. 2From: Beneficial biological effects and the underlying mechanisms of molecular hydrogen - comprehensive review of 321 original articles -Four groups of genes that show different responses to hydrogen gas and/or water [12] . a Bcl6 responds to hydrogen gas more than hydrogen water. b G6pc responds only to hydrogen water. c Wee1 responds to both hydrogen water and gas. d Egr1 responds only to simultaneous administration of hydrogen gas and waterBack to article page