DNA microarrays

From structural genomics to functional genomics. The applications of gene chips in dermatology and dermatopathology

Klaus Sellheyer, Thomas J. Belbin

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The human genome project was successful in sequencing the entire human genome and ended earlier than expected. The vast genetic information now available will have far-reaching consequences for medicine in the twenty-first century. The knowledge gained from the mapping and sequencing of human genes on a genome-wide scale - commonly referred to as structural genomics - is prerequisite for studies that focus on the functional aspects of genes. A recently invented technique, known as gene chip, or DNA microarray, technology, allows the study of the function of thousands of genes at once, thereby opening the door to the new field of functional genomics. At its core, the DNA microarray utilizes a unique feature of DNA known as complementary hybridization. As such, it is not different from Southern (DNA) blot or northern (RNA) blot hybridizations, or the polymerase chain reaction, with the exception that it allows expression profiling of the entire human genome in a single hybridization experiment. The article highlights the principles, technology, and applications of DNA microarrays as they pertain to the field of dermatology and dermatopathology. The most important applications are the gene expression profiling of skin cancer, especially of melanoma. Other potential applications include gene expression profiling of inflammatory skin diseases, the mutational analysis of genodermatoses, and polymorphism screening, as well as drug development and chemosensitivity prediction. cDNA microarrays will shape the diagnostic approach of the dermatology and the dermatopathology of the future and may lead to new therapeutic options.

Original languageEnglish (US)
Pages (from-to)681-692
Number of pages12
JournalJournal of the American Academy of Dermatology
Volume51
Issue number5
DOIs
StatePublished - Nov 2004
Externally publishedYes

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Dermatology
Genomics
Oligonucleotide Array Sequence Analysis
Gene Expression Profiling
Human Genome
Genes
Human Genome Project
Technology
DNA
Skin Neoplasms
Southern Blotting
Skin Diseases
Northern Blotting
Melanoma
Medicine
Genome
RNA
Polymerase Chain Reaction
Pharmaceutical Preparations
Therapeutics

ASJC Scopus subject areas

  • Dermatology

Cite this

DNA microarrays : From structural genomics to functional genomics. The applications of gene chips in dermatology and dermatopathology. / Sellheyer, Klaus; Belbin, Thomas J.

In: Journal of the American Academy of Dermatology, Vol. 51, No. 5, 11.2004, p. 681-692.

Research output: Contribution to journalArticle

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