Postnatal development and resistance to Plasmodium yoelii infection of mice prenatally exposed to triphenyltin hydroxide. 2009

Isabella F Delgado, and Vanilda G Viana, and Marcia Sarpa, and Francisco J R Paumgartten
Laboratory of Environmental Toxicology, Department of Biological Sciences, National School of Public Health, Oswaldo Cruz Foundation, Rio de Janeiro, RJ 21040-361, Brazil. isabella.delgado@incqs.fiocruz.br

In this study, we evaluated the effects of prenatal exposure to triphenyltin hydroxide (TPTH) on the postnatal development of Swiss Webster mice. Females were treated by gavage (0, 7.5 15 and 30 mg TPTH/kg/day) on days 6-17 of gestation. After birth, the progeny was examined for deaths, body weight gain and appearance of developmental landmarks. On postnatal day 50, one male and one female of each litter were inoculated with Plasmodium yoelii and the time-course of infection was monitored. TPTH was embryolethal at doses > or =15 mg/kg/day. Body weight at birth was decreased, but no alteration of pup body weight was observed after postnatal day 5. Except for an advancement of incisor eruption in the group treated with 15 mg/kg/day, no alteration of somatic development was noted. A shorter latency to peak parasitemia and a reduced malaria-induced spleen enlargement were observed in mice prenatally exposed to TPTH. In conclusion, prenatal exposure to TPTH at doses > or =15 mg/kg enhanced neonatal lethality, reduced pup birth weight and interfered with the response to infection with P. yoelii in adulthood.

UI MeSH Term Description Entries
D007113 Immunity, Innate The capacity of a normal organism to remain unaffected by microorganisms and their toxins. It results from the presence of naturally occurring ANTI-INFECTIVE AGENTS, constitutional factors such as BODY TEMPERATURE and immediate acting immune cells such as NATURAL KILLER CELLS. Immunity, Native,Immunity, Natural,Immunity, Non-Specific,Resistance, Natural,Innate Immune Response,Innate Immunity,Immune Response, Innate,Immune Responses, Innate,Immunity, Non Specific,Innate Immune Responses,Native Immunity,Natural Immunity,Natural Resistance,Non-Specific Immunity
D008288 Malaria A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia. Marsh Fever,Plasmodium Infections,Remittent Fever,Infections, Plasmodium,Paludism,Fever, Marsh,Fever, Remittent,Infection, Plasmodium,Plasmodium Infection
D008297 Male Males
D009026 Mortality All deaths reported in a given population. CFR Case Fatality Rate,Crude Death Rate,Crude Mortality Rate,Death Rate,Age Specific Death Rate,Age-Specific Death Rate,Case Fatality Rate,Decline, Mortality,Determinants, Mortality,Differential Mortality,Excess Mortality,Mortality Decline,Mortality Determinants,Mortality Rate,Mortality, Differential,Mortality, Excess,Age-Specific Death Rates,Case Fatality Rates,Crude Death Rates,Crude Mortality Rates,Death Rate, Age-Specific,Death Rate, Crude,Death Rates,Determinant, Mortality,Differential Mortalities,Excess Mortalities,Mortalities,Mortality Declines,Mortality Determinant,Mortality Rate, Crude,Mortality Rates,Rate, Age-Specific Death,Rate, Case Fatality,Rate, Crude Death,Rate, Crude Mortality,Rate, Death,Rate, Mortality,Rates, Case Fatality
D009947 Organotin Compounds Organic compounds which contain tin in the molecule. Used widely in industry and agriculture. Compounds, Organotin
D010967 Plasmodium yoelii A species of PLASMODIUM causing malaria in rodents. Plasmodium yoelius,yoelius, Plasmodium
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D005260 Female Females
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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