Genetic Defects

Cancer-preventing protein finds its own way in our DNA

Geneticists from KU Leuven, Belgium, have shown that tumour protein TP53 knows exactly where to bind to our DNA to prevent cancer. Once bound to this specific DNA sequence, the protein can activate the right genes to repair ...

Jun 16, 2016
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Healing broken hearts

During each of her two pregnancies, Jennifer Solms Nelson studied the results of her ultrasound a bit more intensely than other expectant mothers. Whereas most might scan the grainy black-and-white images for ten fingers ...

Jul 22, 2016
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The Zika alliance

Chikungunya, dengue and Zika viruses are transmitted by the same mosquito species—Aedes Aegypti and Aedes albopictus—and exhibit similar symptoms in infected patients. But, compared with the painful fever, headache and ...

Jun 15, 2016
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No blood vessels without cloche

The decade-long search by researchers worldwide for a gene, which is critical in controlling the formation of blood and blood vessels in the embryo, shows how fascinating science can be. It is more than 20 years since Didier ...

Jul 15, 2016
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A genetic disorder is an illness caused by abnormalities in genes or chromosomes, especially a condition that is present from before birth. Most genetic disorders are quite rare and affect one person in every several thousands or millions.

A genetic disorder may or may not be a heritable disorder. Some genetic disorders are passed down from the parents' genes, but others are always or almost always caused by new mutations or changes to the DNA. In other cases, the same disease, such as some forms of cancer, may be caused by an inherited genetic condition in some people, by new mutations in other people, and by non-genetic causes in still other people.

Some types of recessive gene disorders confer an advantage in certain environments when only one copy of the gene is present.

This text uses material from Wikipedia licensed under CC BY-SA

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