Now showing items 11-20 of 42
Analysis of DNA damage induced by aflatoxin B1 in Dunkin-Hartley guinea pigs
(Mycopathologia, 2007-05-01) [Artigo]
Aflatoxin B1 (AFB1) is among the most potent naturally occurring carcinogens and classified as a group I carcinogen. Since the ingestion of aflatoxin-contaminated food is associated with several liver diseases, the aim of ...
Does troncular vagotomy modify the proliferative gastric lesions induced in rats by duodenogastric reflux?
(Acta Cirúrgica Brasileira, 2007-05-01) [Artigo]
Purpose: to investigate if combining VT to DGR through the pylorus can modulate the biological behavior of PL induced by DGR and to verify if TV alone can induce morphologic lesions in the gastric mucosa. Methods: 62 male ...
DNA damage and nitric oxide synthesis in experimentally infected Balb/c mice with Trypanosoma cruzi
(Experimental Parasitology, 2007-07-01) [Artigo]
This study aimed to evaluate whether experimental Chagas disease in acute phase under benznidazole therapy can cause DNA damage in peripheral blood, liver, heart, and spleen cells or induce nitric oxide synthesis in spleen ...
Kaposi's sarcoma-associated herpesvirus infection and Kaposi's sarcoma in Brazil
(Brazilian Journal of Medical and Biological Research, 2006-05-01) [Artigo]
Kaposi's sarcoma (KS) became a critical health issue with the emergence of acquired immunodeficiency syndrome (AIDS) in the 1980s. Four clinical-epidemiological forms of KS have been described: classical KS, endemic ...
Citrus aurantium L. essential oil exhibits anxiolytic-like activity mediated by 5-HT1A-receptors and reduces cholesterol after repeated oral treatment
(BMC Complementary and Alternative Medicine, 2013-02-23) [Artigo]
Background: The current treatments for anxiety disorders and depression have multiple adverse effects in addition to a delayed onset of action, which has prompted efforts to find new substances with potential activity in ...
A Comparative Genotoxicity Study of a Supraphysiological Dose of Triiodothyronine (T3) in Obese Rats Subjected to Either Calorie-Restricted Diet or Hyperthyroidism
(PLOS ONE, 2013-02-28) [Artigo]
This study was designed to determine the genotoxicity of a supraphysiological dose of triiodothyronine (T3) in both obese and calorie-restricted obese animals. Fifty male Wistar rats were randomly assigned to one of the ...
Human papillomavirus and Epstein-Barr virus infection, p53 expression, and cellular proliferation in laryngeal carcinoma
(American Journal of Clinical Pathology, 2006-08-01) [Artigo]
Laryngeal carcinomas are aggressive neoplasms with controversial association with the human papillomavirus (HPV) and Epstein-Barr virus (EBV). So far, the impairment of p53 protein function and its impact on cellular ...
Dietary, anthropometric, and biochemical determinants of uric acid in free-living adults
(Nutrition Journal, 2013-01-16) [Artigo]
Background: High plasma uric acid (UA) is a prerequisite for gout and is also associated with the metabolic syndrome and its components and consequently risk factors for cardiovascular diseases. Hence, the management of ...
Intestinal malakoplakia associated with paracoccidiodomycosis: A new association
(Histopathology, 1997-02-21) [Artigo]
Fine needle aspiration biopsy of gastrointestinal stromal tumor presenting as an umbilical mass (Sister Mary Joseph's nodule)
(Annals of Diagnostic Pathology, 2006-04-01) [Artigo]
The Sister Mary Joseph (SMJ) nodule is a clinical sign of metastatic cancer involving the umbilicus. The vast majority of these instances represent adenocarcinomas arising from ovarian or colorectal primaries. We present ...