Related Experiment Video For Cancer cell lines

Updated: Sep 6, 2025

Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma
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Overview of the Maintenance of Authentic Cancer Cell Lines

Sherri L Christian1

  • 1Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL, Canada. sherri.christian@mun.ca.

Methods in Molecular Biology (Clifton, N.J.)
|June 23, 2022
PubMed

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A cell line is a population of cells grown in vitro that can be subcultured over several generations. Normal cells cease to divide after a certain number of cell divisions, a process known as replicative senescence. This number, called the Hayflick limit, was conceptualized by Leonard Hayflick in 1961 when he observed that fetal cells grown in culture could only divide 40-60 times. This limit is due to the shortening of the telomeres during each round of cell division, preventing cell division...
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Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
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Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
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Keywords:
Cancer cell linesCell line identificationCross-contaminationMycoplasm