Читать книгу Pathogenesis of cancer онлайн

1. Class II – pluripotent progenitor cell of the ancestor of myelopoiesis, common to 4 lineages (CFU-GEMMeg) with subsequent development in the direction of the Monocytic lineage.

2. Class III – unipotent progenitor cell of the monocytes (CFU-M). It must be emphasized that genotypic changes in nuclear DNA occur according to a recessive trait, therefore these changes do not manifest themselves in any way in the red bone marrow.

During the process of differentiation, genotypic changes are laid down in the genetic apparatus of the future Monocyte, which morphologically will not differ from a normal bone marrow cell. The acquisition of genotypic changes in nuclear DNA for a Monocyte is not decisive in the possibility of transformation into a malignant stem cell, because it can divide, mature, differentiate, transform into cells of the microenvironment, and transform into a Macrophage. And although irreversible genotypic changes are an absolute necessity for transformation into a malignant stem cell, this is completely insufficient. Genotypic changes in the DNA of the Monocyte nucleus will wait patiently until optimal conditions arise for their manifestation, and then the “nascent” descendants – malignant stem cells – will dominate the host organism.

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