PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7478567-4 1995 In contrast, the increase in p53 protein, WAF1/CIP1(p21) and GADD45 mRNA expression following exposure to the alkylating agent methylmethane sulphonate (25 and 100 micrograms ml-1) was similar in both cell types. Methyl Methanesulfonate 127-151 tumor protein p53 Homo sapiens 29-32