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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Mol Cancer Res. 2014 Jan 24;12(4):514–526. doi: 10.1158/1541-7786.MCR-13-0505

Table 1.

Immunohistochemical staining for phosphorylated and total FAK in pediatric renal tumor specimens.

Tumor Type n FAK 4.47 (%) pFAK Y397 (%) P Value (vs. MRKT)
Malignant Rhabdoid Kidney Tumor 12 9 (75) 6 (50) -
Clear Cell Sarcoma 12 4 (33) 1 (8) NS
Wilms Tumor 19 6 (32) 4 (21) 0.03
Mesoblastic Nephroma 12 1 (8) 0 (0) 0.003

FAK 4.47 = total FAK protein; pFAK Y397 = FAK phosphorylated at tyrosine 397 residue