MKI67 and neoplasm: Moreover, FGFR‐1α overexpression suppressed cell growth and restored cytotoxic responses to chemotherapy.84 However, overexpression of FGFR‐1β led to formation of tumour xenograft and exhibited resistance to chemotherapy.84 Liu et al found that FGFR1 IIIb suppressed the formation and growth of tumours in mice, which have a reduced Ki‐67 and a lower level of tumour necrosis in tumours.