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We determined if pulmonary peptidoleukotrienes contribute to the pathogenesis of chronic lung disease of extreme prematurity (CLD) by measuring urinary leukotriene E4 (uLTE4). Study patients had a birth weight < 1000 g and were about 28 d old when they were classified as normal control subjects (n = 8) or as having CLD (n = 26, abnormal chest X-ray,(More)
The mechanism by which dexamethasone (DEX) inhibits neutrophil (PMN) recruitment to a site of inflammation, such as the newborn lung with bronchopulmonary dysplasia, is not completely understood. The aim of our study was to determine whether DEX inhibits neutrophil-induced neutrophil recruitment by inhibition of interleukin- (IL) 8 release from PMNs, and if(More)
Estradiol receptor (ER) and progesterone receptor (PR) content along with the cytosol and plasma estrone and estradiol levels in 15 premenopausal and 26 postmenopausal women with breast cancer in different clinical stages (T123, N01, M0) were measured. ER-positive tumor frequency and the ER content tended to be higher in postmenopausal than in premenopausal(More)
Plasma cortisol, 17-hydroxyprogesterone (17-OH-P), testosterone (T), 5 alpha-dihydrotestosterone (DHT, estrone (E1) and estradiol (E2), were measured in 94 normal adult men aged between 20-99, using RIA methods after chromatographic separation of steroids on Sephadex LH-20 columns. All plasma steroids except 17-OH-P, were age dependent: cortisol,(More)
Cortisol, 17-hydroxyprogesterone (17-OH-P), progesterone, testosterone, 5 alpha-dihydrotestosterone (DHT), estrone (E1) and estradiol (E2) were determined by RIA after chromatographic separation of steroids on Sephadex LH-20 columns, in 54 hospitalized patients with benign prostatic hyperplasia (BPH) and in 32 hospitalized patients with prostatic carcinoma(More)
Platelet-activating factor (PAF) and leukotrienes (LTs) are potent pulmonary hypertensive and inflammatory mediators produced by the lung. Previously we showed that a rapid injection of PAF into the pulmonary artery of an isolated rat lung produced an extended elevation in mean pulmonary arterial pressure (PAP). The objective of the present study was to(More)
Plasma cortisol, 17-hydroxyprogesterone (17-OH-P), progesterone, FSH, LH and prolactin were determined by RIA, in 14 cancer patients without metastases aged between 40 and 74 years (6 cases of breast cancer: T123, N01, M0 and 8 with other forms of cancer). The cancer patients were investigated: (A) under basal conditions, (B) after three days' adrenal(More)