Table 1.

Primary Antibodies Used for Immunofluorescent Analyses

Marker	Source	Indication
Oct-4	Chemicon	(Octomer-4) pluripotency
Gata-6	Santa Cruz	Early endoderm, smooth muscle
Brachyury	Santa Cruz	Early mesoderm
BSP	Hybridoma Bank	(Bone Sialoproteins I & II) Osteoblasts
OCN	Santa Cruz	Osteoblasts
Endothelial cell	Hybridoma Bank	Endothelial cell marker except CNS
Aggrecan	Santa Cruz	Chondrocytes
Collagen II	Hybridoma Bank	Chondrocytes
Collagen X	Hybridoma Bank	Chondrocytes

Primary antibodies used in the current study are listed.

BSP, bone sialoprotein; OCN, osteocalcin; CNS, central nervous system.