Nuber, U.A.

stromal el 08-1d stromal cells ug 26-1b culture 1.2 protein 08-1d maintenance igfbp expression cell lines 26-1b hematopoietic k 6-sp cells contact factor growth repopulating stromal cell lines igfbp -3 level support marrow molecule hsc maintenance table gene expression profile signal blood hsc-supportive medium noncontact analysis mouse october oostendorp www.stemcells.com receptor study germany array downloaded frequency liver 20-1b adult ly -6c hematopoietic repopulating pleiotrophin nonsupportive signal intensities thrombospondin 16 weeks experiment 30-3f activity noncontact cultures insulin-like murine hematopoiesi mechanism hsc-supportive stromal cells population polymerase chain reaction nonsupportive cell lines 20-1b el 28-1b number coculture gene expression patterns analyses ability cocultures robert a.j embryo-derived stromal cells 10.1634/ stemcells .2004-0120 bone marrow hscs hsc-supportive cell lines side population profile steinhoff