The synthesis of 17-alpha-ethynyl A-nortestosterone.
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Biomedical subjects
Publications and source records attributed to S D Levine.
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The urinary excretion of ligandin, a proximal tubular enzyme and binding protein, was measured by radioimmunoassay in eight normals, six patients receiving radiocontrast media, and six patients in a critical care unit who were considered at high risk for acute renal failure. Ligandinuria was found to occur normally at rates under 5 micrograms/hr. In the patients receiving radiocontrast media, abnormal rates of ligandinuria were found in four patients. In 102 ligandin measurements in the critically ill patients, rates of ligandinuria exceeded normal only once (after contrast media exposure) despite 13 identifiable episodes of potentially nephrotoxic circumstances and two episodes of acute renal failure. Ligandinuria appears more sensitive as a marker for tubular injury from contrast media than from other renal insults.