The histones of some human tissues |
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Authors: | A J MacGillivray |
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Institution: | Division of Chemistry and Biochemistry, Imperial Cancer Research Fund, London, W.C. 2 |
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Abstract: | 1. Histones were examined from five human tissues, namely thymus, liver, placenta, bronchial tumour and peripheral leucocytes. 2. The four main histone fractions F1, F2(b), F2(a), and F3] were isolated and characterized. 3. The amino acid analyses, N-terminal group analyses and electrophoretic patterns were very similar to those of the corresponding fractions of calf thymus. 4. The yields of fractions F1 and F2(b) were high in human thymus, in human bronchial tumour and in some preparations of normal human leucocytes. 5. It is concluded that the pattern of nuclear histones found in lower forms of life was conserved during the evolutionary process leading to man. |
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