Other Reactions 1 [url=http://accutane.one]accutane results[/url] Thus, KCC2 is not only the sole chloride transporter for extrusion of chloride from mature CNS neurons in mammals, but it is also unique for the following two features 1 it is the only REST target gene that encodes an ion channel transporter and at the same time harbors a dual RE 1 site, and 2 it is the only gene with dual RE 1 that bracket the TSS