Chromatin Structure and Lineage Determination

  • Dimitris Kioussis
  • Richard Festenstein
Chapter
Part of the Contemporary Immunology book series (CONTIM)

Abstract

It is commonplace nowadays to state that the identity of a cell is determined by the expression of a subset of genes present in its nucleus. Many of these genes are necessary for the survival of the cell and are, by and large, expressed in all types of cells, regardless of lineage. They have come to be known as housekeeping genes. In addition, cells belonging to a particular tissue express a set of genes which is characteristic of the lineage to which they belong. Such genes are called tissue-specific genes, and their regulated expression defines the characteristic function and hence, the identity of the cell. An example of such tissue-specific genes are those that encode for surface molecules; antibodies recognizing these structures have made the analysis and identification of cells of particular lineage feasible.

Keywords

Lysine Macromolecule Sorting Lysozyme Rosen 

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© Springer Science+Business Media New York 1998

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  • Dimitris Kioussis
  • Richard Festenstein

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