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Glenn Nichols, surrounded by his hospice team. The author is in yellow.

Genetic Linkage

Juvenile Huntington's Disease: The Cruel Mutation

June 3, 2013

Tags: Huntington's disease, rare disease, Woody Guthrie, CHDI, HDSA, genetics, triplet repeat mutation

Jane and Karli Mervar
Looking back, signs that Jane Mervar’s husband, Karl, had Huntington’s Disease (HD) started about when their youngest daughter, Karli, began to have trouble paying attention in school. Karl had become abusive, paranoid, and unemployable due to his drunken appearance. The little girl, born in September 1996, was hyperactive and had difficulty following directions. When by age 5 Karli’s left side occasionally stiffened and her movements slowed, Jane began the diagnostic journey that would end with Karli’s diagnosis of HD, which had affected the little girl’s paternal grandmother.

Soon Karli could no longer skip, hop, or jump. And new troubles emerged. (more…)

DNA Day: 20 Years of Writing a Human Genetics Textbook

April 19, 2013

Tags: human genome, DNA, genetics, Gregor Mendel, cystic fibrosis, textbook

10 editions of my textbook chronicle the evolution of genomics
This month we celebrate the DNA anniversaries: unveiling of DNA’s structure in 1953, and the human genome sequence in 2003.

From now until DNA Day, April 25, bloggers will be worshipping the human genome. Nature will offer podcasts (“PastCasts”) and last week, Eric Green, director of the National Human Genome Research Institute, spoke to reporters, summarizing the “quantitative advances since the human genome project.”

It’s also the 20th anniversary of my non-science majors textbook, Human Genetics: Concepts and Applications. Writing the 10 editions has given me a panoramic view of the birth of genomics different from those of researchers, physicians, and journalists. Here are a few observations on the evolution of genetics to genomics, as I begin the next edition. (more…)

Beauty Genes and Celebrities

November 4, 2010

Tags: genetics, American Society of Human Genetics, Brad Pitt, Angelina Jolie, Katie Holmes, Tom Cruise, Heidi Montag, cosmetic surgery, scientology, direct-to-consumer genetic testing, Ricki Lewis

I love to roam among the posters at scientific meetings in search of research tidbits that the media miss. I just found a great one at the American Society of Human Genetics conference that is certain to have profound implications for celebrities.

Among the many posters showing (more…)

instruction
Project to engage students in helping families with rare genetic diseases
Book Club Reader's Guide
Many challenging questions to stimulate thought and discussion.
Instructor's Guide
38 discussion questions to get students thinking and talking about gene therapy, including the science, ethical issues, and the drug approval process.
Narrative science
The Forever Fix is the uplifting true story of 8-year-old Corey Haas, who was cured of hereditary blindness just 4 days after gene therapy.
College Textbooks
A spectacularly-illustrated, clearly written human anatomy and physiology textbook, used in pre-health profession programs throughout the U.S.
A highly engaging, clearly written, beautifully illustrated introduction to the science of human genetics for the non-scientist. Now in its 10th edition.
Nonfiction
An ideal starting point for anyone who wants to know more about genes, DNA, genomes, and the genetic ties that bind us all.

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