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Adaptive Mechanisms in Cancer Cells

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 Cells

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,...

Tumor Progression

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...

Tumor Progression

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...

T Cell Activation and Clonal Selection

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...

Cancers Originate from Somatic Mutations in a Single Cell

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...

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Updated: May 14, 2026

VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma

VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma

Published on: December 28, 2015

Advances for studying clonal evolution in cancer.

Li Ding¹, Benjamin J Raphael, Feng Chen

¹Department of Medicine, Division of Oncology, Washington University School of Medicine, St. Louis, MO 63110, USA; The Genome Institute, Washington University School of Medicine, St. Louis, MO 63108, USA; Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Genetics, Washington University School of Medicine, St. Louis, MO 63108, USA.

|January 29, 2013

Summary

This summary is machine-generated.

Cancer evolves through complex clonal evolution, not a single path. New sequencing technologies reveal tumor heterogeneity and guide strategies to eliminate all cancer cells.

Keywords:

Cancer Clonal evolution Tumor heterogeneity

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VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma

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Comparative Lesions Analysis Through a Targeted Sequencing Approach

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Published on: November 5, 2019

Area of Science:

Oncology
Genetics
Computational Biology

Background:

The clonal evolution model explains cancer development through genetic changes.
Technological advancements, particularly next-generation sequencing, have enhanced our understanding of tumor heterogeneity.

Purpose of the Study:

To explore the complexities of cancer clonal evolution.
To highlight the impact of new technologies on cancer models.
To guide improved cancer treatment strategies.

Main Methods:

Analysis of genetic changes in cancer cells using advanced sequencing.
Investigating tumor heterogeneity and subclone dynamics.
Development of computational tools for modeling clonal evolution.

Main Results:

Cancer clonal evolution is often a simultaneous process involving multiple subclones.
Subclone co-existence is driven by similar fitness or spatial separation.
Tumor clonal evolution pathways are highly heterogeneous across patients.

Conclusions:

Current models of clonal evolution are being reshaped by technological advancements.
A deeper understanding of clonal evolution improves cancer progression insights.
This knowledge aids in developing comprehensive treatment strategies targeting all cancer cells.