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Related Concept Videos

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Tumor Progression

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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.
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Targeted Cancer Therapies02:57

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Related Experiment Video

Updated: Oct 5, 2025

Author Spotlight: Advancements in Molecular Biomarker Testing for Non-Squamous Non-Small Cell Lung Cancer
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Advances in sarcoma molecular diagnostics.

Xue Qi Wang1,2, Angela Goytain2, Brendan C Dickson3,4

  • 1Faculty of Medicine, University of British Columbia, Vancouver, Canada.

Genes, Chromosomes & Cancer
|January 22, 2022
PubMed
Summary
This summary is machine-generated.

Accurate sarcoma classification, challenging due to numerous subtypes, now benefits from advanced molecular diagnostics. New techniques like next-generation sequencing improve sarcoma diagnosis and patient outcomes.

Keywords:
methylomemolecular diagnosticsnanostringnext-generation sequencingsarcomatargeted massive parallel sequencing

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Area of Science:

  • Oncology
  • Molecular Pathology
  • Genetics

Background:

  • Sarcomas are a diverse group of cancers originating from mesenchymal tissues, presenting diagnostic challenges due to over 80 subtypes with overlapping morphologies.
  • Accurate classification of sarcomas is crucial for effective treatment and relies heavily on ancillary testing, including molecular diagnostics.

Purpose of the Study:

  • To review recently developed molecular techniques for sarcoma diagnosis.
  • To discuss emerging assays with potential for future clinical implementation in sarcoma management.

Main Methods:

  • Review of advancements in molecular diagnostic technologies for sarcomas.
  • Focus on techniques such as next-generation sequencing, fluorescent bar code hybridization, and DNA methylation profiling.
  • Comparison with traditional methods like karyotyping, fluorescence in situ hybridization, and polymerase chain reaction.

Main Results:

  • Pathognomonic driver mutations (fusion genes, amplifications, point mutations) are key for sarcoma diagnosis.
  • Newer, high-throughput assays offer more comprehensive molecular profiling compared to older, single-gene tests.
  • These advanced techniques are increasingly replacing traditional methods due to their improved capabilities.

Conclusions:

  • Recent technological advances have significantly improved the accuracy and efficiency of sarcoma diagnosis.
  • Next-generation sequencing and other comprehensive assays are transforming molecular pathology in oncology.
  • Emerging diagnostic tools hold promise for further advancements in sarcoma classification and patient care.