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  • Title: Trisodium nitriloacetate monohydrate: promoting effect in urinary bladder carcinogenesis in rats treated with N-butyl-N-(4-hydroxybutyl)nitrosamine.
    Author: Hiasa Y, Kitahori Y, Konishi N, Shimoyama T, Miyashiro A.
    Journal: J Natl Cancer Inst; 1985 Jan; 74(1):235-9. PubMed ID: 3855482.
    Abstract:
    The effect of trisodium nitrilotriacetate monohydrate [(Na3NTA X H2O) CAS: 18662-53-8] on development of urinary bladder tumors in rats initiated with N-butyl-N-(4-hydroxybutyl)nitrosamine [(BBN) CAS: 3817-11-6] was studied. Twenty-one male inbred W rats 6 weeks of age were given drinking water containing 500 ppm of BBN for 4 weeks and then put on diet containing 10,000 ppm of Na3NTA X H2O for 28 weeks. Na3NTA X H2O promoted the development of urinary bladder tumors in rats treated with BBN. The incidences of papilloma and transitional cell carcinomas in the urinary bladder were 90% (18/20) and 25% (4/20), respectively, in rats treated with BBN and then Na3NTA X H2O and 0 in those treated with BBN or Na3NTA X H2O alone. The incidence of papillary or nodular hyperplasia in week 32 was 100% (20/20) in rats treated with BBN and then Na3NTA X H2O and 61% (13/21) in rats treated with BBN only.
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