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. Author manuscript; available in PMC: 2010 Sep 2.
Published in final edited form as: Stem Cells. 2008 Jul 31;26(10):2516–2522. doi: 10.1634/stemcells.2008-0379

Figure 1.

Figure 1

JK1 cells exhibit distinct morphological differences from mouse testis stroma (MTS) and mouse embryonic fibroblasts (MEFs). (A–C): Phase-contrast images of a confluent monolayer of JK1 (A), MTS (B), and MEFs (C) showed that JK1 cells are adherent cells containing one or multiple nuclei, whereas MTS and MEFs contain more spindle-shaped cells (size bars = 50 μm). (D): JK1 cells were stained with trypan blue and counted using a hemocytometer over the course of 1 week, exhibiting exponential growth.