• Adipose-derived stem cells from the brown bear (Ursus arctos) spontaneously undergo chondrogenic and osteogenic differentiation 

      Fink, Trine; Rasmussen, Jeppe G.; Emmersen, Jeppe; Fahlman, Åsa; Brunberg, Sven; Josefsson, Johan; Arnemo, Jon Martin; Zachar, Vladimir; Swenson, Jon E.; Fröbert, Ole (Journal article; Peer reviewed, 2011)
      In the den, hibernating brown bears do not develop tissue atrophy or organ damage, despite almost no physical activity. Mesenchymal stem cells could play an important role in tissue repair and regeneration in brown bears. ...
    • Internal hydrocephalus combined with pachygyria in a wild-born brown bear cub 

      Kübber-Heiss, Anna; Zedrosser, Andreas; Rauer, Georg; Zenker, Wolfgang; Schmidt, Peter; Arnemo, Jon Martin (Peer reviewed; Journal article, 2009)
      An abandoned wild-born male brown bear (Ursus arctos) cub of the year was found and subsequently placed in a zoo. At 7 months of age, the cub showed first signs of ataxia, and at 13 months of age, it was unable to move the ...