Cell growth

Cell growth
The term cell growth is used in two different ways in biology. When used in the context of reproduction of living cells the phrase "cell growth" is shorthand for the idea of "growth in cell numbers by means of cell reproduction.
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Cell growth and metabolism
Main articles: Cell growth, Cell metabolism
Between successive cell divisions, cells grow through the functioning of cellular metabolism. Cell metabolism is the process by which individual cells process nutrient molecules.
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Many of the factors that affect normal cell growth are hormones. Although cancer cells have lost some of the normal responses to growth factors, some cancer cells still require hormones for growth.
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BRCA1 is believed to act as a tumor suppressor regulating cell growth and division. If suppressor genes are lost or damaged by mutation, uncontrolled cell growth can occur, resulting in cancer.
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Cancer is a disease in which cells escape the restraints on normal cell growth. Cancer is an inheritable disease (at least from cell to daughter cells). Once a cell has become cancerous, all of its descendant cells are cancerous.
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Originating in embryology, today developmental biology studies the genetic control of cell growth, differentiation and "morphogenesis," which is the process that gives rise to tissues, organs and anatomy.
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Damaged or mutated DNA may result in uncontrolled cell growth.
Proteins produced by some tumor-suppressor genes stop the cell cycle when DNA becomes damaged.
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Tumor suppressor genes inhibit progression in tumor development. They usually inhibit abnormal cell growth or promote apoptosis. Examples include p53 and Rb.
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Grow large numbers of them in culture (using the powerful T-cell growth factor IL-2).
Treat the patient with modest doses of cytotoxic drugs to reduce — but not destroy — the bone marrow.
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A gene whose protein products inhibit cell division, thereby preventing uncontrolled cell growth (cancer).
tundra ...
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A gene, one or more forms of which is associated with cancer. Many oncogenes are involved, directly or indirectly, in controlling the rate of cell growth.
Related Terms: Gene ...
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