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Genetics and Health

Archive for the ‘Chromosome abnormalities’ Category

May 4th, 2008

Leukemia - risk of which patients could relapse, identified

(Photo courtesy www.leukemia101.com) 
Researchers at the Ohio State University Comprehensive Cancer Center may have discovered a better way to distinguish acute leukemia patients who require aggressive treatment to prevent recurrence from those who need only standard therapy for cure.
About 13,300 new cases of AML and 8,200 deaths from the disease are expected this year in the […]

By Elaine -- 0 comments

April 20th, 2008

Genetic breakthrough for migraine sufferers

  MRI of a migraine
Migraine is the most common cause of episodic headache, and by far the most common neurological cause of a doctor’s visit. It affects some 15% of the world’s population.
Researchers from Helsinki University, Finland and the Sanger Institute, UK were able for the first time to convincingly demonstrate a genomic locus to be linked to […]

By Elaine -- 0 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 24th, 2008

“My Aspartame Experiment” by Victoria Inness-Brown

Molecular structure of Aspartame 
I recently wrote an article on my first hand research experience on the potential carcinogenicity of Aspartame - the artificial sweetener used in thousands of everyday products, particularly diet products. It was titled “Aspartame is safe … really!”
One of www.geneticsandhealth.com readers  author Carol Guilford sent me the following interesting link to a piece of […]

By Elaine -- 18 comments

February 10th, 2008

deCode discovers cousin marriages bear more offspring

 
deCode has analysed its 200 year old Icelandic genealogical database and found that the closer the kinship of the couple the more children they are likely to have. This study provides the most comprehensive answer yet to the longstanding question of how kinship affects fertility in humans.
For example, for women born between 1800 and 1824, those […]

By Elaine -- 0 comments

February 5th, 2008

Scientists create ‘three parent’ embryo

 
Scientists from Newcastle University, UK led by Professor Patrick Chinnery, have created an embryo with three separate parents.  The team believe the technique could help to eradicate a whole class of hereditary diseases, including some forms of epilepsy and ensure women with genetic defects do not pass the diseases on to their children.
Ten severely deformed embryos, left […]

By Elaine -- 0 comments

February 2nd, 2008

Exercise, telomeres and looking years younger!

 
Human chromosomes (grey) capped by telomeres (white)
We all know the benefits of regular exercise but scientists now have proof that it can really make you look younger! Telomeres, regions of highly repetitive DNA at the end of a linear chromosome shorten over time.  The shortening of telomeres is strongly correlated with ageing and it is […]

By Elaine -- 0 comments

February 1st, 2008

deCode uncovers genetic variants driving male-female evolutionary changes

 
Scientists from deCODE genetics have reported the discovery of two common, single-letter variants in the sequence of the human genome (SNPs) that regulate one of the principle motors of evolution. Versions of the two SNPs, located on chromosome 4p16, have a genome-wide impact on the rate of recombination - the reshuffling of the genome that […]

By Elaine -- 1 comment

January 30th, 2008

Susceptibility to cold sores probably inherited

Herpes simplex virusThere’s a high probability that people who are prone to herpes simplex virus (HSV) outbreaks can inherit that susceptibility through their genes, University of Utah researchers report in The Journal of Infectious Diseases.
Researchers have identified a region on the long arm of human chromosome 21 with high odds - at least 1,000-to-1 - […]

By Elaine -- 0 comments

January 28th, 2008

‘Telepathic’ genes

 
New research has shown evidence that genes have the ability to recognize similarities in each other from a distance, without any proteins or other biological molecules aiding the process. This discovery could explain how similar genes find each other and group together in order to perform key processes involved in the evolution of species.
According to […]

By Elaine -- 2 comments

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