Related Experiment Video
Updated: Sep 6, 2025
12:16
Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma
Published on: March 13, 2013
21.4K
Overview of the Maintenance of Authentic Cancer Cell Lines
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
Summary
Properly maintaining cancer cell lines is essential for experimental integrity. This includes careful handling, record-keeping, and preventing cross-contamination and Mycoplasma contamination to ensure reliable research data.
Area of Science:
- Cell Biology
- Cancer Research
- Experimental Design
Background:
- Cancer cell line integrity is crucial for reliable experimental outcomes.
- Cross-contamination between cell lines and Mycoplasma contamination are significant threats to data quality.
- Uncharacterized effects of Mycoplasma contamination can impact cell metabolism and experimental results.
Purpose of the Study:
- To highlight the critical importance of proper cancer cell line maintenance.
- To outline essential practices for handling and managing cell line usage and identity.
- To present considerations and recommendations for preventing cell line cross-contamination and Mycoplasma contamination.
Main Methods:
- Review of established cell culture best practices.
- Emphasis on meticulous record-keeping for cell line usage and authentication.
- Discussion of strategies for contamination detection and prevention.
Main Results:
- Proper maintenance protocols are vital for preserving the genetic and phenotypic stability of cancer cell lines.
- Implementing rigorous handling and documentation procedures minimizes the risk of experimental error.
- Proactive measures against cross-contamination and Mycoplasma are necessary for data validity.
Conclusions:
- Adherence to strict cell line maintenance protocols is fundamental for reproducible cancer research.
- Preventing cross-contamination and Mycoplasma contamination safeguards experimental integrity.
- Recommendations provided aim to enhance the reliability and accuracy of cancer cell line-based studies.
Related Concept Videos
01:16Cell Lines
8.1K
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...
8.1K
02:12What is Cancer?
11.1K
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.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
11.1K
02:40Cancer Stem Cells and Tumor Maintenance
5.0K
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.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
5.0K
02:21Cancers Originate from Somatic Mutations in a Single Cell
12.5K
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
12.5K
02:53Adaptive Mechanisms in Cancer Cells
5.9K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
5.9K