Reproductive effects of four phthalic acid esters in the mouse

Lamb, J; Chapin, R; Teague, J; Lawton, A; Reel, J

HERO ID

61566

Reference Type

Journal Article

Year

1987

Language

English

PMID

3564043

HERO ID 61566
In Press No
Year 1987
Title Reproductive effects of four phthalic acid esters in the mouse
Authors Lamb, J; Chapin, R; Teague, J; Lawton, A; Reel, J
Journal Toxicology and Applied Pharmacology
Volume 88
Issue 2
Page Numbers 255-269
Abstract These studies compared the reproductive toxicity of four phthalates by a continuous breeding protocol. Mice were given diets with diethyl phthalate (DEP) (0.0, 0.25, 1.25, or 2.5%), di-n-butyl phthalate (DBP) (0.0, 0.03, 0.3, or 1.0%), di-n-hexyl phthalate (DHP) (0.0, 0.3, 0.6, or 1.2%), or di(2-ethylhexyl) phthalate (DEHP) (0.0, 0.01, or 0.3%). Both male and female CD-1 mice were dosed for 7 days prior to and during a 98-day cohabitation period. Reproductive function was evaluated during the cohabitation period by measuring the numbers of litters per pair and of live pups per litter, pup weight, and offspring survival. There was no apparent effect on reproductive function in the animals exposed to DEP, despite significant effects on body weight gain and liver weight. DBP exposure resulted in a reduction in the numbers of litters per pair and of live pups per litter and in the proportion of pups born alive at the 1.0% amount, but not at lower dose levels. A crossover mating trial demonstrated that female mice, but not males, were affected by DBP, as shown by significant decreases in the percentage of fertile pairs, the number of live pups per litter, the proportion of pups born alive, and live pup weight. DHP in the diet resulted in dose-related adverse effects on the numbers of litters per pair and of live pups per litter and proportion of pups born alive at 0.3, 0.6, and 1.2% DHP in the diet. A crossover mating study demonstrated that both sexes were affected. DEHP (at 0.1 and 0.3%) caused dose-dependent decreases in fertility and in the number and the proportion of pups born alive. A crossover mating trial showed that both sexes were affected by exposure to DEHP. These data demonstrate the ability of the continuous breeding protocol to discriminate the qualitative and quantitative reproductive effects of the more and less active congeners as well as the large differences in reproductive toxicity attributable to subtle changes in the alkyl substitution of phthalate esters.
Doi 10.1016/0041-008X(87)90011-1
Pmid 3564043
Wosid WOS:A1987H025600011
Url http://www.sciencedirect.com/science/article/pii/0041008X87900111
Is Certified Translation No
Dupe Override No
Is Public Yes
Language Text English
Keyword Animals; Body Weight/drug effects; Dibutyl Phthalate/toxicity; Diethylhexyl Phthalate/toxicity; Dose-Response Relationship, Drug; Female; Male; Mice; Organ Size/drug effects; Phthalic Acids/ toxicity; Plasticizers/ toxicity; Reproduction/ drug effects
Is Peer Review Yes
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