منابع مشابه
Science Selections May 2003
Money continues to be spent on observational studies attempting to link bacterial vaginosis (BV) to preterm delivery. Despite considerable financial investment, the results are at best confusing. Two recent studies address whether using oral metronidazole to treat pregnant women with BV reduces the incidence of preterm delivery. A well-conceived study by McDonald et al. examined treatment not o...
متن کاملScience Selections August 2003
Objectives: The aim of this study was to establish the prevalence of cervicovaginal infections in normal third-trimester pregnant women and evaluate the accuracy of clinical diagnosis. diagnosis was based on the characteristics of the vaginal discharge, and the etiological diagnosis was based on bacterioscopy of the vaginal secretion and direct immunofluorescence for Chlamydia trachomatis. The ...
متن کاملScience Selections June 2003
Chlamydia trachomatis; infection; heat shock proteins hronic chlamydial infections have been documented in numerous works 1,z as silently evolving diseases. Evidence of resistance to antibiotic therapy, as demonstrated by positive cultures long after treatment in infertile women, 3,4 as well as positive chlamydial antigens or nucleic acids in culture-negative pelvic samples of infertile women s...
متن کاملScience Selections October 2003
Background: An important mechanism for gene regulation utilizes small non-coding RNAs called microRNAs (miRNAs). These small RNAs play important roles in tissue development, cell differentiation and proliferation, lipid and fat metabolism, stem cells, exocytosis, diseases and cancers. To date, relatively little is known about functions of miRNAs in the lung except lung cancer. Results: In this ...
متن کاملScience Selections November 2003
Propylthiouracil (PTU) and methimazole (MMI) are the most commonly used antithyroid drugs. The available data suggest that these drugs may block the thyroid hormone synthesis by inhibiting the thyroid peroxidase (TPO) or diverting oxidized iodides away from thyroglobulin. It is also known that PTU inhibits the selenocysteine-containing enzyme ID-1 by reacting with the selenenyl iodide intermedi...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 2003
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.111-a292a