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Semisynthetic preparation of human insulin analogs containing .I.N./I.-methylated B.sup.24./sup.-B.sup.25./sup. or B.sup.25./sup.-B.sup.26./sup. peptide bonds
Klasová, L. ; Huml, Karel ; Barthová, J. ; Ubik, Karel ; Kašička, Václav ; Škarda, Josef ; Hauzerová, Linda ; Barth, Tomislav ; Wollmer, A. ; Brandenburg, D. ; Ježek, Jan ; Velek, Jiří
Desoctapeptideinsulin (DOI), prepared by tryptic cleavage of porcine insulin, was utilized in the enzyme-catalyzed synthesis of human insulin analogs modified in the C-terminal region of the B-chain.
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Preparation and characterization of analogs of tetrapeptide B 23 -B 26 and octapeptide B 23 -B 30 of human insulin
Ježek, Jan ; Velek, Jiří ; Velková, Vlasta ; Klasová, L. ; Barthová, J. ; Ubik, Karel ; Kašička, Václav ; Barth, Tomislav ; Wollmer, A. ; Huml, Karel ; Hauzerová, Linda ; Brandenburg, D.
Gly-Phe-Phe-PheNH2, Gly-Phe-Phe-N(Me)Phe-NH2, Gly-Phe-N(Me)Phe-Phe-NH2, and Gly-Phe-Phe-N(Me)Tyr-NH2 and octapeptides Gly-Phe-Phe-N(Me)Phe-Thr-Pro-Lys(Pac)-Thr-OH and Gly-Phe-Phe-Phe-Thr-Pro-Lys(Pac)-Thr-OH. The compounds were isolated by preparative HPLC and characterized by amino acid analysis.
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Methods of controlled propagation of fish using various hormonal preparations. A minireview
Hamáčková, J. ; Kouřil, J. ; Barth, Tomislav ; Hulová, Irena ; Barthová, J.
Common carp, grass carp, silver carp, bighead carp, African catfish, tench and European catfish are artificially stripped using hormonally induced ovulation and spermiation by GtH present in carp pituitary. Experiments proved the possibility of using GnRH analogs for induction of ovulationin other kinds (sterlet, ide, perch, pike etc.) and, in combination with dopaminergic inhibitors, also in common carp and some other kinds.
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