Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 17, one copy inherited from each parent, form one of the pairs. Chromosome 17 spans about 79 million base pairs (the building blocks of DNA) and represents between 2.5 percent and 3 percent of the total DNA in cells.
Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the estimated number of genes varies. Chromosome 17 likely contains between 1,200 and 1,500 genes.
Genes on chromosome 17 are among the estimated 20,000 to 25,000 total genes in the human genome.
What are the genes implicated in upright walking of humans? The discovery of four families in which some members only walk on all fours (quadrupedality) may help us understand how humans, unlike other primates, are able to walk for long periods on only two legs, a scientist will tell the annual conference of the European Society of Human Genetics tomorrow (Monday 2 June).
Two teams of University of Michigan researchers have tracked down the cells responsible for neurofibromatosis type1, a disfiguring, incurable condition and one of the most common hereditary disorders.
The targeted therapy Herceptin helps women with HER2+ type of breast cancer independent of whether patients have extra copies of chromosome 17, home to the HER2 gene which produces the HER2 protein that fuels cancer growth.
There is a clear link between GABA - a chemical substance of the central nervous system that inhibits neurons in the brain - and nicotine dependence, according to a study presented at the American College of Neuropsychopharmacology (ACNP) annual meeting.
Scientists have discovered a link between a mutated gene and a protein found in dead brain cells of people who suffer from a form of dementia and other neurological disorders.
Researchers have identified a new gene mutation linked to frontotemporal dementia, according to a study published in the July 10, 2007, issue of Neurology, the medical journal of the American Academy of Neurology.
New treatments for childhood asthma could be in the pipeline following the discovery of a gene associated with the condition.
A gene that is strongly associated with a risk of developing childhood onset asthma was identified by an international team of scientists, whose findings are published in the journal Nature.
The identification of a cluster of essential genes on mouse chromosome 11 as well as similar clusters on the chromosomes of other organisms , including humans , buttresses the argument that there may be rules as to how genes are structured or laid out on chromosomes, said the Baylor College of Medicine senior author of a report that appears online in the Public Library of Science Genetics, an open-access publication.
Frontotemporal Dementia (FTD) is the second major form of dementia.
In a significant advance toward understanding a perplexing and painful neurological disorder, an international team of researchers has discovered gene mutations associated with an inherited chronic pain and weakness syndrome known as hereditary neuralgic amyotrophy (also called HNA).
Neuralgic Amyotrophy is a painful disorder of the peripheral nervous system. This heritable disease causes prolonged acute attacks of pain in the shoulder or arm, followed by temporary paralysis.
The scientists found a gene mutation not previously known to be related to Fanconi anemia, and they say that BRIP1 is the first gene associated with the disease whose protein has a known function.
While debate still rages over the 'cause' of autism, mounting evidence suggests that genetic factors play a major role in the disease.
...a hereditary, disfiguring bone disorder that can cause blindness and deafness. The findings provide insight into long-range gene regulation and could lead to new treatments for osteoporosis and other crippling bone disorders.
In a research report recently published in the Journal of Alzheimer's Disease, published by IOS Press, a research group from the International School for Advanced Studies (ISAS\SISSA) in Trieste (Luisa Fasulo, Gabriele Ugolini e Antonino Cattaneo) showed that a processed form of tau protein induces neuronal death by apoptosis (programmed cell death) when expressed in cultured rat hippocampal neurons.
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