56,736 Result(s)
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Observations on the Connexion between Intermedin and Adrenocorticotropic Hormone
IN a communication which has recently appeared under the above title, Johnsson and Högberg1 have claimed that intermedin and adrenocorticotropic hormone (ACTH) are closely related or identical. Moreover, they hav...
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The irreducibility of impredicative principles
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Influence of Hypophysectomy and of Adrenocorticotropic Hormone on a Mammalian Adaptive Enzyme System
THE purification of a mammalian hepatic tryptophan peroxidase–oxidase system, and its properties, have been described by Knox and Mehler1. These authors demonstrated the system to be an adaptive one, increasing f...
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The categoricity question of certain grand logics
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Between number theory and set theory
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Isolation and properties of alpha-corticotropin from Sheep pituitary glands
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Inhibition of Mammary Tumours During Lactation Induced in Virgin Mice
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Changes in Animal Tissue After Hydrocortisone Administration: Deposition induced by Hydrocortisone of Calcium in the Heart Tissue of Female C 3 H Mice
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Changes in Animal Tissue After Hydrocortisone Administration: Production of Dystrophic Calcification of Cardiac Muscle in Mice by Hydrocortisone
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Amino-Acid Sequence of Alpha-Corticotropin
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Preparation and Properties of Dinitrophenyl-NH(ɛ)-Insulin
THE reaction of 2,4-dinitrobenzene sulphonate1 with insulin has yielded a water-soluble and biologically active product. The only reactive group, which is shown to be substituted, is the ɛ-NH2 of lysine in the ho...
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A New Synthesis of the Pentapeptide L-Histidyl-L-Phenylalanyl-L-Arginyl-L-Tryptophyl-Glycine and its Melanocytestimulating Activity
A SYNTHESIS of the pentapeptide H.His-Phe-Arg-Try-Gly.OH along classical lines has recently been described by Hofmann et al. 1. The amino-acid sequence of this peptide, which occurs in adrenocorticotropic (ACTH) ...
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Formalization of Constructive Concepts
Constructivity in Mathematics
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Number theoretic concepts and recursive well-orderings
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Synthesis of L-Methionyl-L-Glutamyl-L-Histidyl-L-Phenylalanyl-L-Arginyl-L-Tryptophyl-Glycine and its Melanocyte-stimulating and Corticotropin-releasing Activity
THE occurrence of the heptapeptide, L-methionyl-L-glutamyl-L-histidyl- L-phenylalanyl-L-arginyl-L-tryptophyl-glycine, in both adrenocorticotropins (ACTH) and melanotropins (MSH)1–3 has led to synthesis of various...
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An Immunological Study of a Human Pituitary Interstitial Cell-stimulating Hormone
SEVERAL investigators1–5 have reported recently the production of rabbit antiserum to human urinary gonadotrophins, but no similar data have appeared with respect to human pituitary gonad-stimulating substances. ...
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Complement-fixing Antibodies to Human Growth Hormone and Sheep Interstitial Cell Stimulating Hormone
PREVIOUS reports from this Laboratory1–3 have shown that human growth hormone (HGH) and sheep interstitial cell stimulating hormone (ICSH) produce, in rabbits, precipitin antibodies that are specific to the respe...
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Tag systems and lag systems
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Preparation of a Low Molecular Weight Component with Lactogenic Activity from a Limited Chymotryptic Digest of Ovine Prolactin
THE limited digestion of ovine pituitary lactogenic hormone by chymotrypsin has recently been investigated in this laboratory1,2. It was found that preparations of prolactin showed lactogenic activity even after ...
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Lipotropin, a New Active Peptide from Pituitary Glands
A BIOLOGICALLY active peptide which is chemically and physiologically distinct from known pituitary hormones has recently been isolated and characterized1. Its purity has been established by various criteria such...
