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Sheppard, M; Shapiro, B; Pimstone, B; Kronheim, S; Berelowitz, M; Gregory, M
The journal of clinical endocrinology and metabolism 48, Številka: 1Journal Article
The MCR and half-disappearance time of exogenously administered somatostatin have been measured during and after cessation of a constant infusion. Studies were performed on normal volunteers and patients with chronic liver disease and failure. Immunoreactive somatostatin was measured by a sensitive and specific RIA using an antiserum directed against the core of the molecule. Normal subjects had a mean MCR of 1949 +/- 250 ml/min (28.4 +/- 4.2 ml/min . kg BW) (mean +/- SEM), similar to values found in five patients with chronic liver disease. However, patients with chronic renal failure showed a highly significant (P less than 0.001) lowering of the MCR (501 +/- 32.7 ml/min or 7.8 +/- 0.6 ml/min . kg). The rate of disappearance of somatostatin after infusion was linear for 7-10 min, after which a much slower component was observed. In normal subjects, the t 1/2 of the first component varied from 1.1-3.0 min, in patients with liver disease it varied from 1.2-4.8 min, and in patients with chronic renal failure it varied from 2.6-4.9 min. Exogenously administered somatostatin is rapidly cleared in normal subjects and patients with chronic liver disease, but the MCR in end stage chronic renal failure is markedly lowered. The kidney may have a role in the metabolic clearance of exogenously administered somatostatin, or uremia may impair catabolism nonspecifically.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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