** U.S.-listed shares of Freeline Therapeutics Holdings
FRLN.O jump 42.8% to $5.34 premarket
** Co says its experimental gene therapy FLT201 showed
positive results in an early-stage study for Gaucher disease
** Gaucher disease is a genetic disorder that leads to low
levels of GCase, an enzyme needed to metabolize a certain type
of fat
** Co says its therapy showed robust increase in GCase
levels
** Up to last close, shares down 47.2% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))