Rosalina Reyes

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OBJECTIVE Thirteen specific types of human papillomavirus (HPV), classified as high-risk for the development of cervical cancer, have been reported in 99.7% of all cervical cancers. For this reason, and because of the reported lack of sensitivity of the Papanicolaou (Pap) smear for detecting HPV, some experts believe that the use of papillomavirus DNA(More)
During spermatogenesis, changes in sperm nuclear morphology are associated with the replacement of core somatic histones by protamines. Although protamines are the major nucleoproteins of mature sperm, not all species totally replace the histones. Histone H1, along with protamines, mediates chromatin condensation into an insoluble complex that is(More)
Oocytes undergo numerous biochemical and morphological changes during their development from preantral to preovulatory phases. In vitro studies have suggested several compounds that might induce oocyte maturation. Heparin is a natural component of ooplasm, follicular fluid and uterine fluid and previous studies indicated that it might act as a chromatin(More)
BACKGROUND AND AIMS A comparative analysis was performed of the properties of cloned AT1 and AT2 receptors and their ability to induce ion currents and oocyte maturation. METHODS Frog oocytes were injected with cRNA that codes for rat AT1A and AT2 and bovine AT1 receptors and membrane currents were recorded by using the two-microelectrode voltage-clamp(More)
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