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Your search keyword '"Karawajew, L."' showing total 16 results
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16 results on '"Karawajew, L."'

1. Erratum: ERG deletion is associated with CD2 and attenuates the negative impact of IKZF1 deletion in childhood acute lymphoblastic leukemia

Author

Zaliova, M, primary, Zimmermannova, O, additional, Dörge, P, additional, Eckert, C, additional, Möricke, A, additional, Zimmermann, M, additional, Stuchly, J, additional, Teigler-Schlegel, A, additional, Meissner, B, additional, Koehler, R, additional, Bartram, C R, additional, Karawajew, L, additional, Rhein, P, additional, Zuna, J, additional, Schrappe, M, additional, Cario, G, additional, and Stanulla, M, additional

Published
2015
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2. ERG deletion is associated with CD2 and attenuates the negative impact of IKZF1 deletion in childhood acute lymphoblastic leukemia

Author

Zaliova, M, primary, Zimmermannova, O, additional, Dörge, P, additional, Eckert, C, additional, Möricke, A, additional, Zimmermann, M, additional, Stuchly, J, additional, Teigler-Schlegel, A, additional, Meissner, B, additional, Koehler, R, additional, Bartram, C R, additional, Karawajew, L, additional, Rhein, P, additional, Zuna, J, additional, Schrappe, M, additional, Cario, G, additional, and Stanulla, M, additional

Published
2013
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3. Gene expression shift towards normal B cells, decreased proliferative capacity and distinct surface receptors characterize leukemic blasts persisting during induction therapy in childhood acute lymphoblastic leukemia

Author

Rhein, P, primary, Scheid, S, additional, Ratei, R, additional, Hagemeier, C, additional, Seeger, K, additional, Kirschner-Schwabe, R, additional, Moericke, A, additional, Schrappe, M, additional, Spang, R, additional, Ludwig, W-D, additional, and Karawajew, L, additional

Published
2007
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12. Physicochemical properties of salt-soluble, unsheared chromatin

Author

Karawajew L, Lindigkeit R, Fenske H, and M. Böttger

Subjects
Chemical Phenomena, Light, Light scattering, Histones, chemistry.chemical_compound, Histone H1, Genetics, Animals, Scattering, Radiation, Nucleosome, Molecule, Solubility, Molecular Biology, Cell Nucleus, Chemistry, Physical, Osmolar Concentration, DNA, General Medicine, Chromatin, Nucleosomes, Rats, Liver, chemistry, Biochemistry, Ionic strength, Biophysics, Nucleic Acid Conformation
Abstract

Salt-dependent structural changes of rat liver chromatin isolated by an extraction procedure not involving shear and exogeneous nucleases were investigated by sedimentation and light scattering methods. The effects observed are complex involving changes of the molecular weight and expansion. Between 0.1 M and 0.2 M (NH4)2SO4 where histone H1 is released, a fragmentation into molecules of half molecular weight is found which is accompanied by an expansion into a more extended conformation gradually increasing to 0.4 M (NH4)2SO4. The H1-free chromatin does not exhibit the reduction in molecular weight but undergoes this expansion. The original conformation is not reversible on re-decreasing the salt concentration to 0.1 M (NH4)2SO4.

Published
1981
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13. Physicochemical properties of salt-soluble, unsheared chromatin

Author

Karawajew K, H. Hamann, Böttger M, Karawajew L, Fenske H, and Lindigkeit R

Subjects
inorganic chemicals, Light, Spatial expansion, Salt (chemistry), Fraction (chemistry), Light scattering, Histones, Histone H1, Genetics, Animals, Scattering, Radiation, Molecular Biology, Cell Nucleus, chemistry.chemical_classification, Viscosity, Chemistry, food and beverages, DNA, General Medicine, Chromatin, Rats, Molecular Weight, Liver, Solubility, Rat liver, Biophysics
Abstract

A chromatin fraction, which can reproducibly be extracted from rat liver nuclei at moderate salt concentration (0.1 M (NH4)2SO4, 0.1 M Tris-HCl, 2 mM MnCl2, pH 7.9), was analyzed with regard to changes of its molecular weight in the range of (NH4)2SO4 concentrations between 0.1 M and 0.4 M. With the transition from 0.1 M to 0.2 M (NH4)2SO4 histone H1 is released and the molecular weight obtained from both sedimentation-viscosity and light scattering is reduced by approximately one-half. A spatial expansion of the resulting half-molecules is observed with further increasing salt concentration. On the basis of these results a double-fibrillar structure of this chromatin fraction is proposed.

Published
1982
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