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Cell Population Analyses During Skin Carcinogenesis

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Published on: August 21, 2013

Assessing Cutaneous Mosaicism at the Molecular Level.

Jonathan J Park¹, Keith Choate²

¹Department of Genetics, Yale School of Medicine, Yale University, New Haven, Connecticut, USA; Department of Dermatology, Yale School of Medicine, Yale University, New Haven, Connecticut, USA; Medical Scientist Training Program, Yale University, New Haven, Connecticut, USA.

The Journal of Investigative Dermatology

|August 19, 2022

Summary

Mosaicism, the presence of distinct cell populations in one individual, arises from postzygotic alterations. Studying mosaic disorders reveals novel disease pathways using advanced molecular techniques.

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Area of Science:

Genetics
Developmental Biology
Human Pathology

Background:

Mosaicism arises from postzygotic genetic alterations during embryogenesis.
Historically, mosaicism was recognized by visible phenotypes.
Studying mosaic disorders has unveiled novel disease pathogenesis pathways.

Purpose of the Study:

To review techniques for discovering disease-causing alleles in mosaic disorders.
To utilize specific human disorders as models for studying mosaicism.
To highlight the power of these tools for genetic dissection.

Main Methods:

Review of molecular profiling assays.
Application of high-throughput sequencing techniques.
Case studies using Proteus syndrome, phakomatosis pigmentokeratotica, linear porokeratosis, and vacuoles, E1 enzyme, X-linked, autoinflammatory somatic syndrome (VEXAS).

Main Results:

Advanced molecular techniques enable the study of mosaicism in human disease.
Specific genetic alterations can be identified using model disorders.
Novel insights into disease mechanisms are gained through mosaicism research.

Conclusions:

Techniques for discovering disease-causing alleles are powerful tools.
Mosaicism research provides critical insights into human genetic disorders.
These approaches are essential for dissecting the genetic basis of complex diseases.