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Research ArticlePractice

Genetics

Alzheimer disease

Heather Dorman, Wendy S. Meschino, Judith Allanson, Sean M. Blaine, Carol Cremin, Clare A. Gibbons, Christina Honeywell, Joanne Permaul and June C. Carroll
Canadian Family Physician June 2009, 55 (6) 603;
Heather Dorman
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Wendy S. Meschino
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Judith Allanson
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Sean M. Blaine
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Carol Cremin
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Clare A. Gibbons
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Christina Honeywell
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Joanne Permaul
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June C. Carroll
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Informative genetic testing is currently available to only a small number of families with a history of early-onset (younger than 60 years of age) Alzheimer disease (AD). For these families, the benefits of genetic testing are limited and are mainly related to the individual’s perception of the psychological advantages of knowing whether or not he or she is predisposed to develop AD. There remains no cure or effective preventive therapy for AD.

Bottom line. Genetic testing is not feasible for most cases of AD at this time. Apolipoprotein E gene variations alone cannot be used to predict future disease occurrence. Rare families with a history of early-onset AD might be eligible for genetic testing, while families with multiple relatives affected with late-onset AD (60 years of age and older) might be eligible to participate in AD research studies.

The complete Gene Messenger—Alzheimer Disease by the GenetiKit research team is available on CFPlus.* Past Gene Messenger articles can be accessed on-line at www.cfp.ca. On the home page, click on Collections in the left-hand menu, then click on Genetics.

Acknowledgments

Funding was provided by the Canadian Institutes of Health Research.

Footnotes

  • Competing interests

    None declared

  • The GenetiKit research team, a group of family physicians, genetic counselors and geneticists, designed the Gene Messenger series to provide practical information to help family physicians and their patients make informed choices about rapidly emerging genetic discoveries. The series is a collection of up-to-date, definitive, short reviews on genetics topics that have made headlines, and offers recommendations regarding referral for genetic services or testing.

  • ↵* The Gene Messenger on Alzheimer disease is available at www.cfp.ca. Go to the full text of this article on-line, then click on CFPlus in the menu at the top right-hand side of the page.

  • Copyright© the College of Family Physicians of Canada
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Canadian Family Physician: 55 (6)
Canadian Family Physician
Vol. 55, Issue 6
1 Jun 2009
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Genetics
Heather Dorman, Wendy S. Meschino, Judith Allanson, Sean M. Blaine, Carol Cremin, Clare A. Gibbons, Christina Honeywell, Joanne Permaul, June C. Carroll
Canadian Family Physician Jun 2009, 55 (6) 603;

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Genetics
Heather Dorman, Wendy S. Meschino, Judith Allanson, Sean M. Blaine, Carol Cremin, Clare A. Gibbons, Christina Honeywell, Joanne Permaul, June C. Carroll
Canadian Family Physician Jun 2009, 55 (6) 603;
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