Evaluation of the potential teratogenicity of FD & C Blue No. 2 in rats and rabbits. 1987

J F Borzelleca, and E I Goldenthal, and F X Wazeter, and J L Schardein

Charles River CD rats (20 pregnant rats/group) received by gavage on days 6-15 of gestation 0.5% Methocel (controls, A, B and C), retinoic acid at 7.5 mg/kg/day or FD & C Blue No. 2 in doses of 25, 75 or 250 mg/kg/day. Pregnant Dutch belted rabbits (ten pregnant does/group) received by gavage on days 6-18 of gestation 0.5% Methocel (controls A, B and C), thalidomide at 150 mg/kg/day or FD & C Blue No. 2 in doses of 25, 75 or 250 mg/kg/day. All animals were observed twice daily during gestation for signs of toxicity. The animals were killed 1 day before term and appropriate maternal and foetal parameters were evaluated. There were no consistent, significant compound-related adverse effects on any of these parameters. Foetal malformations occurred in both positive control groups. Under the conditions of this study, FD & C Blue No. 2 did not exert any teratogenicity or other developmental toxicity in either rats or rabbits.

UI MeSH Term Description Entries
D007203 Indigo Carmine Indolesulfonic acid used as a dye in renal function testing for the detection of nitrates and chlorates, and in the testing of milk. Indigotindisulfonate Sodium,Soluble Indigo Blue,(delta-2,2'-biindole)-3,3'-dione,2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3- oxoindoline-5-sulphonic acid,D&C Blue NO. 6,FD&C Blue No. 2,Indigo,Indigo Blue,Indigo Disulfonate,Indigotin,Indigotindisulfonate,Indigotindisulfonic Acid,Carmine, Indigo,Indigo Blue, Soluble
D007211 Indoles Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D005260 Female Females
D005333 Fetus The unborn young of a viviparous mammal, in the postembryonic period, after the major structures have been outlined. In humans, the unborn young from the end of the eighth week after CONCEPTION until BIRTH, as distinguished from the earlier EMBRYO, MAMMALIAN. Fetal Structures,Fetal Tissue,Fetuses,Mummified Fetus,Retained Fetus,Fetal Structure,Fetal Tissues,Fetus, Mummified,Fetus, Retained,Structure, Fetal,Structures, Fetal,Tissue, Fetal,Tissues, Fetal
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013723 Teratogens An agent that causes the production of physical defects in the developing embryo. Embryotoxins,Fetotoxins,Teratogen

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