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Related Concept Videos

Genetic Screens02:46

Genetic Screens

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...
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Preventive Healthcare Services01:30

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Related Experiment Video

Updated: Sep 10, 2025

gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair
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Comprehensive Screening for Early Cancer Detection in Individuals With Genetic Predisposition.

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A comprehensive screening program effectively detects early-stage cancers in individuals with genetic predisposition. This approach is crucial for identifying high-risk patients and improving outcomes for hereditary cancer syndromes.

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Area of Science:

  • Oncology
  • Genetics
  • Preventive Medicine

Background:

  • Individuals with genetic predispositions to cancer require targeted surveillance.
  • Early detection significantly improves treatment outcomes for hereditary cancer syndromes.

Purpose of the Study:

  • To assess the efficacy of a comprehensive screening program for individuals carrying pathogenic/likely pathogenic (P/LP) variants.
  • To evaluate the program's impact on early cancer detection and treatment outcomes.

Main Methods:

  • A registry-based screening program involved 816 participants with germline P/LP variants.
  • Participants underwent systematic clinical, instrumental, and laboratory monitoring.
  • Two groups were compared: healthy carriers (Group A) and cancer patients (Group B).

Main Results:

  • Of 554 healthy carriers, 57 cancers (10.2%) were detected, primarily breast and ovarian.
  • 96.4% of detected cancers in healthy carriers were early-stage (I-II).
  • Aggressive breast cancer subtypes were identified at stage I in 27% of cases.

Conclusions:

  • Comprehensive screening is effective for early cancer detection in high-risk individuals.
  • Tailored screening strategies are vital for managing hereditary cancer predispositions.
  • Early identification of malignancies, including aggressive subtypes, improves patient prognosis.