Sentence examples for divisions of stem from inspiring English sources

The woody tissue of trees is composed of xylem cells that arise from divisions of stem cells within the cambial meristem.

We present a stochastic dynamical model of cell renewal of epithelial tissue (colonic crypts) which explicitly includes asymmetric indefinite divisions of stem cells and symmetric, finite divisions of daughter cells.

This observation supports the proposal that self-renewing divisions of stem cells are conditioned by hypoxic metabolic type [25].

Wood is composed of xylem cells that arise from divisions of stem cells that reside within the vascular meristem, known as the cambium or procambium.

Disregulation of normal self-renewal results in increased symmetrical cell divisions of stem cells, and could explain the low proliferation rate of steroid receptor-positive cells in both pre-cancerous and cancerous breast lesions.

The processes that regulate the balance between asymmetric and symmetric divisions of stem cells are poorly defined, but recent evidence indicates a role for p53 and inosine monophosphate dehydrogenase [ 14].

New brain cells are generated by the division of stem cells found in two discrete regions of the brain.

In parallel, the expression levels of stem cell markers in the AP decrease during postnatal development to adulthood in an inverse correlation with the production of hormones or the Pit1 transcription factor (Figure 5D), implying a division of stem cells to increase pituitary mass.

Due to their ability to give rise to new cells, the factors regulating the division of stem and progenitor cells, and the differentiation of their progeny is of great interest in treating CNS disorders resulting from the loss or inappropriate functioning of cells.

In other cases, differentiation occurs by asymmetric division of stem cells into a stem cell and a differentiated cell.

Piwi, the other subclade of the Argonaute family, affected asymmetric division of stem cells in the Drosophila germline [ 26].