Helena Mendonça

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Natural killer (NK) cells are CD3- CD56+ and/or CD16+ cytotoxic lymphocytes that mediate first-line defense against various types of target cells without prior immunization. To assess the effect of the menstrual cycle and gender on NK activity we evaluated 30 healthy women (mean age 28.1 years, range 21-39) in follicular and luteal phases, 29 postmenopausal(More)
Doppler analysis of the uterine arteries and ovarian stroma was performed by transvaginal ultrasound in 24 patients with polycystic ovary syndrome (PCOS) and 22 ovulatory women. Vascularization of the ovarian stroma was more abundant in patients with PCOS than in control women, but no significant difference in the mean pulsatility index (PI) was observed(More)
Patients with polycystic ovary syndrome (PCOS) usually are obese, insulin resistant and hyperinsulinemic. The known association between leptin, obesity and insulin action suggests that leptin may have a role in PCOS but this has only been addressed peripherally. This study was designed to assess the relationship between serum leptin and the anthropometric,(More)
  • Sérgio Goes de Paula, Nair Costa Muls, +11 authors Flávio Cesar Conrado
  • 2006
Acknowledgments AIN (Church of Norway) CEF (Federal Savings Bank/Brazil) Church of Sweden CNBB (National Confederation of Bishops, Brasil) DFID (Department for International Development, United Kingdom) Dutch Ministry of Foreign Affairs Editora Abril (Brazil) Government of The Netherlands ICCO (Interchurch Organization for Development and Cooperation The(More)
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