tokens: Serine phosphorylation of STAT3 was only apparent after somatostatin treatment and was abolished by pertussis toxin or PD 98059 , together with the associated increases in proliferation .
folded_tokens: serine phosphorylation of stat3 be only apparent after somatostatin treatment and be abolish by pertussis toxin or pd 98059 , together with the associated increase in proliferation .