Immunoblotting was carried out as previously described [13 (link)]. Antibodies against PLK3 (4896), PCNA (2586), p-STAT3 (Tyr705, 9145), p-STAT3 (Ser727, 9134), p-p65 (3033) and total STAT3 (9139) were purchased from Cell Signaling Technology. Antibodies against HK2 (ab104836), HSP90 (ab13492), HIF-1α (ab2185), c-Myc (ab32072), MZF1 (ab64866) and GAPDH (ab9484) were purchased from Abcam.
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