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Genetics and Health

April 22nd, 2008

Doggie DNA used to look into human psychiatric problems

 
KQED Public Broadcasting in San Francisco recently did a radio story about the UC San Francisco Canine Behavioral Genetics Project run in collaboration with the University of Pennsylvania. The aims of the project are:
1. To explore the relationship between genes and behavior, both normal and abnormal, in domestic dogs.
2. To assess the amount and nature […]

By Elaine -- 1 comment

March 18th, 2008

Genetic testing - ‘recreational genomics’ or the future of diagnostics?

In January, The New England Journal of Medicine published an article criticizing the popularization of genetic testing by companies such as 23andme, deCode, Navigenics and Knome who doctors believe are introducing genetic testing prematurely into a commercial setting and confusing public and medics alike.  The authors of this article coined the phrase ‘recreational genomics’ for this type of testing.
While […]

By Elaine -- 3 comments

March 10th, 2008

Transfer RNA (tRNA) - a peek into the origin of life

‘Clover structure’ of Transfer RNA 
Transfer RNA (tRNA) is ancient. It is the most direct intermediary between genes and proteins. Like many other RNAs (ribonucleic acids), tRNA aids in translating genes into the chains of amino acids that make up proteins. The fact that tRNA is so central to the task of building proteins probably means […]

By Elaine -- 0 comments

March 9th, 2008

Giant panda’s genome to be sequenced in a bid to conserve species

 
(Image courtesy of www.ustc.edu.cn) 
Latest news from the GenomeWeb:
“The Beijing Genomics Institute at Shenzhen announced that it is launching an International Giant Panda Genome Project.
Scientists at BGI-Shenzhen plan to sequence a panda to be selected from the Chengdu and Wolong breeding centers using high-throughput sequencing technology. They hope to have a draft genome sequence assembled within six […]

By Elaine -- 1 comment

March 8th, 2008

Galileo’s body to be exhumed for DNA testing

 
Galileo’s tomb 
Over 360 years ago Galileo died living as a recluse in Italy, a convicted heretic.  His crime - he fell foul of the religious authorities of the day by arguing that the Earth revolved around the sun and not vice versa.  His theory was subsequently found to be perfectly true.
Italian researchers, led by Prof Paulo Galluzzi, want to […]

By Elaine -- 4 comments

March 5th, 2008

Happiness is down to your genes

 
(The Smiling Faces of Boddhastavas, Cambodia)
Ever the eternal optimist, here’s a piece of research which I can really relate to … Psychologists at the University of Edinburgh working with researchers at Queensland Institute for Medical Research in Australia found that happiness is partly determined by personality traits and that both personality and happiness are largely hereditary.
Rating personalities with […]

By Elaine -- 3 comments

March 2nd, 2008

Drug responses vary between Africans and Europeans

Further to my various articles on our ancestry, differences in gene expression levels between people of European versus African ancestry appear to affect how each group responds to certain drugs or fights off specific infections, report researchers from the University of Chicago Medical Center and the Expression Research Laboratory at Affymetrix Inc. of Santa Clara, CA.
The researchers […]

By Elaine -- 2 comments

February 24th, 2008

‘Out of Africa’ - 3 studies trace human global migration

 
Papers published in Nature and Science this week support the previously held theory that humans originated in East Africa, migrating outward until they reached all parts of the globe. But the genetic work from these studies brings a new level of precision to human migration studies, with each group finding subtle and intriguing details that shed light on different aspects of […]

By Elaine -- 2 comments

February 16th, 2008

Genetic adaptations to surviving a cold climate linked to diabetes, obesity and heart disease

 
Our early human ancestors originated from a hot, humid climate where natural selection focused on dispersing heat.  As humans migrated to colder climates there would have been evolutionary pressure to adapt to their new settings by boosting the processes that produce and retain heat.
Genes involved in energy metabolism are therefore likely to be central to heat and cold […]

By Elaine -- 0 comments