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- Gillberg, P, et al.
(författare)
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Commencing growth hormone replacement in adults with a fixed low dose. Effects on serum lipoproteins, glucose metabolism, body composition, and cardiovascular function.
- 2001
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Ingår i: Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society. - : Elsevier BV. - 1096-6374. ; 11:5, s. 273-81
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Tidskriftsartikel (refereegranskat)abstract
- The safety and effects of a fixed low dose of growth hormone (GH), 0.17 mg/day was evaluated for 3 months, on glucose metabolism, serum lipids, body composition and cardiac function in 53 GH deficient adults aged 18-78 years. Body composition was determined by dual energy X-ray absorptiometry and total body water was determined by bioelectrical impedance. Echocardiography was used to assess cardiac function and bicycle ergonometry was used to determine exercise capacity. All investigations were performed at baseline and after 3 months. At 3 months, serum levels of insulin-like growth factor (IGF)-I, IGF binding protein (IGFBP)-3 and lipoprotein (a) and lean body mass were increased (P<0.05). Total and low density lipoprotein cholesterol levels and fat mass were reduced (P<0.05). There was an increase in the serum glucose value at 120 min after an oral glucose tolerance test performed at 3 months (P<0.05), no other changes in glucose metabolism or in cardiac function were noted. Side-effects were few and mild. This fixed low-dose regime resulted in improvements in body composition and lipid profile, without causing serious side effects. This is therefore a valid method to institute GH replacement in adults.
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- Enberg, U, et al.
(författare)
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Postoperative differentiation between unilateral adrenal adenoma and bilateral adrenal hyperplasia in primary aldosteronism by mRNA expression of the gene CYP11B2
- 2004
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Ingår i: European journal of endocrinology. - : Oxford University Press (OUP). - 0804-4643 .- 1479-683X. ; 151:1, s. 73-85
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Primary aldosteronism (PA) is characterized by hypertension, hypokalemia and suppressed renin-angiotensin system caused by autonomous aldosterone production. The aim of this study was to localize mRNA expression of the genes coding for steroidogenic enzymes in adrenals from a group of patients with PA and relate this to clinical work-up, histopathology and outcome of adrenalectomy. DESIGN: This was a retrospective study of 27 patients subjected to adrenalectomy for PA. METHODS: Clinical data were collected and follow-up of all patients was performed. Paraffin-embedded specimens were analyzed by the in situ hybridization technique, with oligonucleotide probes coding for the steroidogenic enzyme genes. RESULTS: The resected adrenals had the histopathologic diagnosis of adenoma (11), adenoma and/or hyperplasia (15) or hyperplasia (1). CYP11B2 expression (indicating aldosterone production) was found in a dominant adrenal nodule from 22 patients. Fourteen of these had additional CYP11B2 expression in the zona glomerulosa. All 22 patients were cured of PA by adrenalectomy. One of these patients, who had additional high expression of CYP11B2 in the zona glomerulosa, was initially cured, but the condition had recurred at follow-up. Two patients had a mass shown on computed tomography without CYP11B2 but with CYP11B1 and CYP17 expression (indicating cortisol production). Instead their adrenals contained small nodules with CYP11B2 expression. These patients were not cured. CONCLUSIONS: Clinical data, endocrinologic evaluation and histopathology in combination with mRNA in situ hybridization of steroidogenic enzyme genes provide improved opportunities for correct subclassification postoperatively of patients with primary aldosteronism. At present, the in situ hybridization method is of special value for analysis of cases not cured by adrenalectomy.
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