Developmental toxicity of indium chloride by intravenous or oral administration in rats. 1998

M Nakajima, and H Takahashi, and M Sasaki, and Y Kobayashi, and T Awano, and D Irie, and K Sakemi, and Y Ohno, and M Usami
Laboratory for Toxicological Research, Institute for Life Science Research, Asahi Chemical Industry Co., Ltd., Shizuoka, Japan.

Pregnant rats were treated with a single intravenous or oral administration of indium chloride (InCl3) on day 9 of pregnancy and their fetuses were examined for growth and malformation on day 20 of pregnancy. By intravenous administration, fetal weight was significantly decreased and the incidences of fetal mortality and malformation were significantly increased at 0.4 mg In/kg. Fetal malformations of the tail and digits, e.g., kinked tail, brachyury, and oligodactyly, were observed at high incidences. By oral administration, similar tendencies in the fetal effects were observed, but there were no significant differences compared to the control even at 300 mg In/kg. Indium concentrations in the serum of pregnant rats showed low bioavailability of indium by oral administration. It was concluded from these results that indium showed teratogenicity in rats. Oral treatment with indium may be developmentally toxic at 300 mg In/kg, but this is difficult to state with certainty given the limited number of animals that were used in this study.

UI MeSH Term Description Entries
D007204 Indium A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008297 Male Males
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
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
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
D000014 Abnormalities, Drug-Induced Congenital abnormalities caused by medicinal substances or drugs of abuse given to or taken by the mother, or to which she is inadvertently exposed during the manufacture of such substances. The concept excludes abnormalities resulting from exposure to non-medicinal chemicals in the environment. Drug-Induced Abnormalities,Abnormalities, Drug Induced,Abnormality, Drug-Induced,Drug Induced Abnormalities,Drug-Induced Abnormality
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
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

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