| prevalence of human papillomaviruses in urine samples of male patients infected with hiv-1 in sao paulo, brazil. | human papillomavirus is a dna virus that includes 118 genotypes. hpv16 is responsible for 80% of cervical cancer in women. men are important reservoirs and major transmitters of hpv to their partners. the aim of this study was to detect hpv dna and to determine the prevalence of hpv types 6, 11, 16, and 18 in urine samples of men infected with hiv-1. this study included 223 patients infected with hiv-1 from the center of reference on hiv/aids (crt-sp) and an outpatient clinic of hiv. urine sampl ... | 2009 | 19856467 |
| no association between endogenous retinoic acid and human papillomavirus clearance or incident cervical lesions in brazilian women. | although oncogenic human papillomavirus (hpv) infections have been established as the necessary cause of cervical cancer, most hpv infections are transient and rarely progress to squamous cervical lesions. the activity of hpv is tightly associated with epithelial cell differentiation; therefore, regulators of differentiation, such as retinoic acid (ra), have been considered targets for the prevention of hpv-associated squamous intraepithelial lesion (sil) development. the purpose of this study w ... | 2010 | 20606041 |
| diet and serum micronutrients in relation to cervical neoplasia and cancer among low-income brazilian women. | cervical cancer is a leading cancer among women in developing countries. infection with oncogenic human papillomavirus (hpv) types has been recognized as a necessary cause of this disease. serum carotenoids and tocopherols have also been associated with risk for cervical neoplasia, but results from previous studies were not consistent. we evaluated the association of serum total carotene and tocopherols, and dietary intakes with the risk of newly diagnosed, histologically confirmed cervical intr ... | 2010 | 19642096 |