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Biomedical subjects

S Hruby

Publications and source records attributed to S Hruby.

At least 37 records · Page 2Linked to original sources

Myelin basic protein treatment of experimental allergic encephalomyelitis in monkeys.

Treatment of experimental allergic encephalomyelitis (EAE) in two strains of monkeys with large amounts of myelin basic basic protein (BP) fails unless an adjunct is also used. In both strains the adjunct by itself is more effective than BP by itself, but in the one strain which could be investigated sufficiently, the combination can be made almost totally effective in reversing EAE. The adjunct varies with the strain of monkey, an antibiotic in Macaca mulatta and a steroid in Macaca fascicularis. Similar adjunctive treatments should be considered in the management of multiple sclerosis, for EAE remains one of the best studied models.

Amino Acids

Degradation of myelin basic protein by cerebrospinal fluid: preservation of antigenic determinants under physiological conditions.

Cerebrospinal fluid contains several proteolytic enzymes that can degrade myelin basic protein (BP) under physiological conditions into peptide fragments of various sizes which still contain antigenic determinants capable of binding antibodies to BP. These enzymes are optimally active in either acid (pH 4) or nuetral (pH 7 to 8) conditions and can be characterized by the nature of the BP peptide fragments produced. Proteinases resembling cathepsin D, thrombin, plasmin (fibrinolysin), or kallikrein are present in variable amounts in CSF. No relationship to any particular disease has yet been established.

Cathepsins

Synthetic galactocerebrosides evoke myelination-inhibiting antibodies.

Synthetic galactodihydrocerebrosides with widely different fatty acid components can evoke myelination-inhibiting antibodies in rabbits. Whether these are the only such haptens involved in experimental immunizations of other species or in spontaneous human diseases is not yet known.

Animals

Fat embolism in kwashiorkor.

Fat embolism from the grossly fatty liver of an infant with kwashiorkor is described. Globules of fat were seen at necropsy in the hepatic veins, in the right atrium and ventricle of the heart and in the pulmonary artery. Sections of the lung showed fat emboli in numerous branches of the pulmonary artery. Examination of lung sections taken at necropsy from 40 patients who had severe kwashiorkor failed to show similar fat embolism.

Embolism, Fat