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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...
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Incomplete Dominance01:43

Incomplete Dominance

Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.

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Related Experiment Video

Updated: May 21, 2026

Intratibial Osteosarcoma Cell Injection to Generate Orthotopic Osteosarcoma and Lung Metastasis Mouse Models
04:25

Intratibial Osteosarcoma Cell Injection to Generate Orthotopic Osteosarcoma and Lung Metastasis Mouse Models

Published on: October 28, 2021

The genetics of osteosarcoma.

Jeff W Martin1, Jeremy A Squire, Maria Zielenska

  • 1Department of Paediatric Laboratory Medicine, Hospital for Sick Children, Toronto, ON, Canada M5G 1X8.

Sarcoma
|June 12, 2012
PubMed
Summary
This summary is machine-generated.

Osteosarcoma, a primary bone cancer in children, has unknown causes due to complex genomic changes. Research identifies common genetic alterations, but specific oncogenes and tumor suppressor genes remain elusive.

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Area of Science:

  • Genetics
  • Oncology
  • Genomics

Background:

  • Osteosarcoma is a primary bone malignancy with a high incidence in children and adolescents.
  • The exact cause of osteosarcoma is unknown due to complex genomic rearrangements in cancer cells.
  • Few consistent genetic changes have been identified as potential therapeutic targets.

Purpose of the Study:

  • To examine studies on osteosarcoma genetics.
  • To comprehensively describe the heterogeneity and complexity of this cancer.

Main Methods:

  • Review of existing studies on osteosarcoma genetics.
  • Analysis of high-resolution genomic data.

Main Results:

  • Copy number gains detected at chromosomes 1p, 1q, 6p, 8q, and 17p.
  • Copy number losses detected at chromosomes 3q, 6q, 9, 10, 13, 17p, and 18q.
  • Definitive oncogenes or tumor suppressor genes remain elusive for many identified loci.

Conclusions:

  • Osteosarcoma exhibits significant genetic heterogeneity and complexity.
  • Further research is needed to identify specific genetic targets for molecular therapies.