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Ordering and interpreting DNA tests.

P S Karnes
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Abstract

DNA testing has become relatively common during the past few years. All humans have an estimated five to eight mutated genes and are at risk for a genetic disorder. Recognition of these facts and development of DNA technology have created substantial interest in DNA testing as a diagnostic and management tool. As with any emerging technology, the applications and limitations must be understood in order to use the new tests wisely. In this review, the basic molecular diagnostic techniques are discussed. In addition, the emerging ethical debate surrounding the use of this new technology is summarized. Caution is necessary when DNA tests are being used, especially in presymptomatic situations.

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ConfidentialityDNAGenesGenetic Diseases, InbornGenetic LinkageHumansMutationPolymerase Chain ReactionPredictive Value of TestsJournal ArticleReview

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BibTeXRIS

P S Karnes. 1996. Ordering and interpreting DNA tests.. https://doi.org/10.4065/71.12.1192

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The conflict of understanding the genetic make-up of man and his knowledge of it.

The rapid development within the research of the human genome offers a great potential with regard to the diagnosis of genetic diseases but it also bears dangers of misuse. The starting point for avoiding these dangers is the autonomy of the individual, i.e. that the information about his genetic constitution should only be ascertained with his explicit consent. It is the duty of law to protect the individual and his relatives - who might also be concerned - without undermining the right to self-determination. Furthermore, it is discussed whether genetic tests should be limited to "health purposes" only. The problem of this limitation, however, is to define the term "health purposes" particularly when the criterion of "quality of life" is also taken into consideration. In order to assure a responsible handling of the genetic data, genetic analysis and especially the counselling of the subject should be reserved to the medical profession, since only a real understanding of the individual's genetic constitution with all risks and chances will enable him to make an informed and self-determined decision.

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