ethyl acrylate/kukurica siata

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Evaluation of potential human carcinogenicity of the synthetic monomer ethyl acrylate.

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Ethyl acrylate (EA) is an acrylic monomer used in the manufacture of a variety of polymers and copolymers as components of many commercially important products. Human exposure to EA occurs primarily in the workplace via inhalation or dermal contact. In F344 rat and B6C3F(1) mouse studies of EA

Sustainability of forestomach hyperplasia in rats treated with ethyl acrylate for 13 weeks and regression after cessation of dosing.

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In a chronic study conducted by the National Toxicology Program (NTP), gavage administration of 100 or 200 mg ethyl acrylate (EA)/kg/day, 5 days/week, to F344 rats and B6C3F1 mice resulted in a significant dose-dependent increase in the incidence of squamous cell papillomas and carcinomas of the

Quantitation of an epithelial S-phase response in the rat forestomach and glandular stomach following gavage dosing with ethyl acrylate.

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Gavage dosing of the irritant, ethyl acrylate (EA), has been found to induce hyperplasia in the rat forestomach, but no signs of toxicity in the glandular stomach or in organs remote from the site of dosing. To quantitatively describe this effect as a background for subsequent modeling studies,

Ethyl acrylate distribution, macromolecular binding, excretion, and metabolism in male Fisher 344 rats.

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We have demonstrated previously that ethyl acrylate causes severe acute forestomach (nonglandular portion of the stomach) toxicity in rats. Ethyl acrylate was also shown to cause forestomach tumors when administered to rats chronically by gavage. The current studies were designed to investigate

Relationship between the time of sustained ethyl acrylate forestomach hyperplasia and carcinogenicity.

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Chronic administration of ethyl acrylate (EA) by gavage at 100 or 200 mg/kg/day resulted in a significant dose-dependent increase in the incidence of forestomach (FS) squamous cell papillomas and carcinomas in both sexes of F344 rats and B6C3F1 mice. Subsequent work in this laboratory was designed

Ethyl acrylate-induced gastric toxicity. I. Effect of single and repetitive dosing.

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Ethyl acrylate (EtAc) is widely used in the production of polymers and copolymers for use in the preparation of latex paints, textiles, paper coatings, and specialty plastics. EtAc caused squamous cell carcinomas and papillomas in the forestomach (nonglandular portion of the stomach) of both sexes

Inactivity of ethyl acrylate in the mouse bone marrow micronucleus assay.

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We report ethyl acrylate to be inactive as a micronucleus-inducing agent in the bone marrow of mice following its i.p. injection in either corn oil or water. These data contrast with a strong positive response in this assay reported earlier. This discrepancy is discussed.

Ethyl acrylate-induced gastric toxicity. II. Structure-toxicity relationships and mechanism.

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Earlier studies conducted in this laboratory demonstrated that gavage administration of ethyl acrylate caused pronounced gastric toxicity in rats given single or repeated doses. The current studies were undertaken to investigate the structural, metabolic, and physical basis of this chemically

NTP Carcinogenesis Studies of Ethyl Acrylate (CAS No. 140-88-5) in F344/N Rats and B6C3F1 Mice (Gavage Studies).

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Ethyl acrylate is a monomer used to produce polymers and copolymers for use in latex paints, textiles, paper coatings, fabric finishes, dirt release agents, and specialty plastics. In 1980, 268 million pounds of ethyl acrylate were produced in the United States of which 209 million pounds were used

Association of chemically induced forestomach cell proliferation and carcinogenesis.

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A number of chemicals have been shown to cause malignant neoplasms in the forestomach of Fischer 344 rats when administered chronically by gavage. The present study was designed to identify early forestomach lesions following 2-week repeated gavage administration of some of these forestomach

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