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Related Concept Videos

Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

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...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

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...
Cancer02:18

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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,...
What is Cancer?02:12

What is Cancer?

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 patients who died from...

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Related Experiment Video

Updated: May 9, 2026

Heterogeneity Mapping of Protein Expression in Tumors using Quantitative Immunofluorescence
07:54

Heterogeneity Mapping of Protein Expression in Tumors using Quantitative Immunofluorescence

Published on: October 25, 2011

Cancer heterogeneity--a multifaceted view.

Felipe De Sousa E Melo1, Louis Vermeulen, Evelyn Fessler

  • 1Laboratory for Experimental Oncology & Radiobiology, Centre for Experimental Molecular Medicine, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands.

EMBO Reports
|July 13, 2013
PubMed
Summary
This summary is machine-generated.

Understanding cancer subtypes and intra-tumour heterogeneity is crucial for developing effective cancer treatments. This review explores tumour diversity to guide better patient selection and targeted therapies.

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Area of Science:

  • Oncology
  • Cancer Biology
  • Genomics

Background:

  • Cancers are classified into subtypes, but even within these, diverse tumor cell populations exist.
  • These variations impact cancer traits like clonogenicity and invasiveness, complicating treatment.
  • Tumor heterogeneity poses challenges for patient selection and targeted therapy development.

Purpose of the Study:

  • To review organ-specific cancer subtypes and their contributing factors to intra-tumour heterogeneity.
  • To highlight the importance of understanding tumor and cell population differences for improved cancer treatments.

Main Methods:

  • Literature review of existing research on cancer classification and heterogeneity.
  • Analysis of factors contributing to intra-tumoural variations across different cancer types.

Main Results:

  • Significant differences exist between and within tumor types, impacting therapeutic outcomes.
  • Intra-tumour heterogeneity arises from various biological factors, leading to diverse cell populations.
  • Understanding these differences is key to advancing personalized cancer medicine.

Conclusions:

  • Recognizing cancer subtypes and intra-tumour heterogeneity is essential for rational anti-cancer strategies.
  • Further research into the biological basis of tumor diversity will facilitate the development of more effective targeted therapies.