Genetic Defects

Genetic cause of unknown disease uncovered

Researchers at the University of Oslo and Oslo University Hospital have found the genetic cause of a previously undescribed disease. With this, they have solved an over ten year old medical conundrum.

17 hours ago
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The issues around the use of human foetal tissue

Based on the furore currently engulfing the US, you might imagine that the use of foetal tissue is illegal. But in fact the collection and use of cells obtained from a human foetus following miscarriage or abortion has a ...

Aug 17, 2015
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Neurons' broken machinery piles up in ALS

A healthy motor neuron needs to transport its damaged components from the nerve-muscle connection all the way back to the cell body in the spinal cord. If it cannot, the defective components pile up and the cell becomes sick ...

Aug 12, 2015
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Strange circular DNA may offer new way to detect cancers

Strange rings of DNA that exist outside chromosomes are distinct to the cell types that mistakenly produced them, researchers have discovered. The finding raises the tantalizing possibility that the rings could be used as ...

Jul 30, 2015
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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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