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BACKGROUND Determination of urinary free cortisol (UFC) is an important adjunct for the assessment of adrenal function. In this study, we have analysed cortisol concentrations in urine samples by gas chromatography-mass spectrometry (GC-MS), liquid chromatography-tandem mass spectrometry (LC-MS/MS) and two immunoassays. The results were compared with GC-MS.(More)
Exosomes are nanometer-sized vesicles secreted by various cells, with potentially diverse roles in physiology. Although emphasis has been placed on their involvement in immune modulation, their potential for more wide-ranging biological effects has not been appreciated. A common exosome feature is the expression of adhesion molecules, which include the(More)
Both benign hyperplasia (BPH) and cancer of the prostate are manifest in men beyond the age of 50. Approximately 50% of men greater than 50 years of age will suffer from the symptoms associated with BPH, especially from bladder outlet obstruction. With the ever-increasing proportion of the population over 65 years of age worldwide, BPH is becoming an(More)
Fifty-three premenopausal patients presenting with advanced breast cancer have been treated with a potent new luteinising hormone-releasing hormone agonist Zoladex (ICI 118630) in a phase I clinical trial. On progression of disease 26 patients have undergone therapeutic oophorectomy. We present the clinical and endocrinological responses to treatment in 45(More)
This paper describes a non-invasive, self-measured procedure by which the precancerous breast can be distinguished from the normal breast. The method involves wearing a specially designed thermometric brassiere for 90 min each evening at home through one menstrual cycle. Profiles of progesterone through the cycle, obtained from daily saliva sampling, and(More)
8 patients with advanced prostatic carcinoma were treated with the luteinising-hormone releasing-hormone agonist, ICI 118630, for up to 3 months. Patients received subcutaneous injections of ICI 118630 (either 100 micrograms or 250 micrograms daily). At the higher dose level, plasma testosterone concentrations were significantly reduced by day 14 and(More)
We have examined the pharmacokinetic parameters derived from the analysis of plasma ethinyl estradiol (EE) and norethindrone levels after administration of a single dose of three bioequivalent norethindrone-1mg/mestranol (ME)-50 micrograms formulations (Ortho-NovumR 1/50, NorinylR 1/50 and Norcept-MR 1/50) and three norethindrone-1mg/ethinyl estradiol-35(More)
A radioimmunoassay for plasma ethinyl oestradiol, featuring an immunosorbent extraction procedure, is described. Ethinyl oestradiol (EE2) was extracted using a non-specific, anti-oestrogen serum, raised to an oestradiol-17-hemisuccinate conjugate. The antiserum, coupled to microcrystalline cellulose, selectively extracted EE2 but not norethisterone ( NE),(More)
Controversy exists over differences in hormonal counterregulatory (CR) responses to human and porcine insulins with conflicting reports regarding the adrenaline, glucagon, growth hormone, cortisol and prolactin responses to the two species of insulin. It has been suggested that these differences may represent different central nervous system sensitivities(More)