** U.S.-listed shares of Australia-based Mesoblast MESO.O
MSB.AX up 5.8% at $1.28 premarket
** Regenerative medicine co strikes partnership with U.S.
govt-funded firm to design late-stage trial for its lead therapy
candidate, Ryoncil, for severe form of graft-versus-host disease
(GvHD) in patients that do show improvement on steroids
** GvHD is complication after stem cell or bone marrow
transplant in which newly generated immune cells attack
recipient's body cells, which can be life-threatening
** FDA says there are no available therapies for this form
of disease
** 1 of 5 brokerages rate the stock "buy", 3 "hold" and 1
"sell"; their median PT is $2
** Up to Tuesday's close, stock down 58.4% YTD
(Reporting by Puyaan Singh)
((Puyaan.Singh@thomsonreuters.com;))