Zobrazeno 1 - 10
of 11
pro vyhledávání: '"W G, Kempinas"'
Autor:
Marina T, Guerra, Marciana, Sanabria, Gabriel A A, Leite, Cibele S, Borges, Maira S, Cucielo, Janete A, Anselmo-Franci, W G, Foster, W G, Kempinas
Publikováno v:
Environmental toxicology. 32(4)
Parabens are hormonally active chemicals widely used as preservatives in foods and are frequently detected in human fluids and tissues. Therefore, the objective of this study was to determine the effects of maternal butyl paraben (BP) exposure on mal
Autor:
H. F. Carvalho, Silvana Lima Górniak, André Tadeu Gotardo, Rubens Paes de Arruda, W. G. Kempinas, K. M. Lemes, Evellyn Liss Pavanelli
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Ipomoea carnea is a toxic plant in Brazil and other tropical countries that often poisons livestock; its primary toxin is swainsonine. Some substances that interact with the endocrine system have been called endocrine disruptors (EDs). Considering sw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e317f573704c9a328e900405228b7c82
Publikováno v:
Cellular and molecular biology (Noisy-le-Grand, France). 43(3)
Since gonadal denervation and pineal deafferentation by cervical superior ganglionectomy affect sexual development, this study was performed to evaluate testicular steroidogenesis, spermatogenesis and the cervical superior ganglion (CSG) histology in
Publikováno v:
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 28(10)
Twenty-one-day old male Wistar rats were injected subcutaneously with guanethidine (GUA) at doses of 5 and 10 mg kg-1 day-1 for 20 days. Animals were sacrificed by decapitation during the prepubertal (41 days of age) and early-pubertal (51 days of ag
Publikováno v:
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 26(6)
1. The internal genital organs of prepubertal, 21-day old male Wistar rats were sympathectomized by ip injection of guanethidine (G), at doses of 5 mg/kg per day (N = 10) or 10 mg/kg per day (N = 10), for 20 days. Controls (N = 10) received saline. 2
Publikováno v:
Veterinary and human toxicology. 33(5)
The influence of subacute and chronic lead intoxication on the responsiveness of the rat was deferens was investigated by determining pD2 and relative responsiveness ratio (p) values for noradrenaline and for acetylcholine. Thus, the pD2 values of no
Autor:
W G, Kempinas, V R, Melo, R M, Oliveira-Filho, A C, Santos, A L, Favaretto, T L, Lamano-Carvalho
Publikováno v:
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 23(11)
The effect of exposure to lead on endocrine function was studied in pubertal rats treated with 1.0 g/l lead acetate (PbAc) in drinking water for 20 days (subacute group) or 9 months (chronic group) in addition to iv injections of PbAc (0.1 mg/100 g b
Autor:
T L, Lamano-Carvalho, W G, Kempinas
Publikováno v:
Gegenbaurs morphologisches Jahrbuch. 134(1)
A morphometric study was carried out to investigate stage-dependent variation in sertoli cell nuclear volume in the rat testis. sertoli cell nuclei had the largest volumes in stages IX to X of the seminiferous epithelium cycle (746 microns3), and the
Publikováno v:
Experimental biology. 48(1)
Adult male Wistar rats were poisoned by ad libitum ingestion of lead acetate at concentrations of 0.5 g/l and 1.0 g/l in drinking water, for 90 days. Blood lead exhibited a significant increase in both treated groups. A decrease in haematocrit and ha
Publikováno v:
Gegenbaurs morphologisches Jahrbuch. 134(5)
In order to investigate the effects of chronic lead intoxication on sexual accessory glands adult male Wistar rats were poisoned by ad libitum ingestion of lead acetate at concentrations of 0.5 g/l and 1.0 g/l for 90 d. Blood lead exhibited a signifi