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. 2019 Jun 13;14(6):e0218330. doi: 10.1371/journal.pone.0218330

Fig 1. Representative results of immunostaining of FFPE cell block with novel anti-CD26 mAbs.

Fig 1

A. The cell block sections of MSTO parent, MSTO-CD26, JMN CD26-shRNA, JMN ctrl-shRNA or A549 cells were stained with hematoxylin and eosin (H&E) (i), or purified mouse anti-human CD26 mAb (19–32 (ii), U16-3 (iv), U38-8 (v)), or purified goat anti-human CD26 pAb (R&D Systems (iii)). Original magnification, 10x. B. The cell block sections of MSTO-CD26 or JMN ctrl-shRNA cells were stained with purified novel mouse anti-human CD26 mAbs (U16-3 (i) or U38-8 (ii)) in the presence of excessive amounts of soluble human CD26 protein (sCD26) or vehicle. Original magnification, 40x. All specimens were counterstained with hematoxylin.