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Scientists identify 36 genes, 100 neuropeptides in honey bee brains
10-25-2006 · EurekAlert!From humans to honey bees, neuropeptides control brain activity and, hence, our behaviors. Understanding the roles these peptides play in the life of a honey bee will assist researchers in understanding the roles they play in their human counterparts.
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Keywords: scientists, identify, genes, 100, neuropeptides, honey, bee, brains, scientist, gene, neuropeptide, brain
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- High and mighty: first common height gene identified by researchers behind 'obesity gene' finding
09-02-2007 · EurekAlert!
Whilst we all know that tall parents are more likely to have tall children, scientists have been unable to identify any common genes that make people taller than others. Now, however, scientists have identified the first gene, known as HMGA2, a common variant of which directly influences height.
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- UCLA scientists identify new genetic link to autism
01-10-2008 · EurekAlert!
UCLA scientists used language onset -- the age when a child speaks his first word -- as a tool for identifying a new gene linked to autism. The team also discovered that the gene is most active in developing brain regions involved with language and thought. Interestingly, evidence for the genetic link came from the DNA of families with autistic boys, not those with autistic girls.
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- Children with gene show reduced cognitive function
11-05-2007 · EurekAlert!
Children possessing a gene known to increase Alzheimer's disease risk already show signs of reduced cognitive function, an Oregon Health & Science University study has found. Scientists discovered that 7- to 10-year-olds with a member of a family of genes implicated in development, nerve cell regeneration and neuroprotection display reduced spatial learning and memory, associated with later-life cognitive impairments. This suggests brain changes predisposing a person to Alzheimer's might occur much sooner than previously thought.
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- Plants, plasmids and possibilities -- Methods permit functional gene studies in plants
12-01-2006 · EurekAlert!
Decaffeinated coffee plants, pest-resistant cotton, and Vitamin A-producing rice varieties have all been developed by introducing genes into plants. Scientists also create modified plants to identify and characterize the functions of specific genes. The current issue of Cold Spring Harbor Protocols -- released online today -- includes a set of techniques for the creation of transgenic plants.
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- Einstein researchers use novel approach to uncover genetic components of aging
08-24-2007 · EurekAlert!
People who live to 100 or more are known to have just as many -- and sometimes even more -- harmful gene variants compared with younger people. Now, scientists at the Albert Einstein College of Medicine of Yeshiva University have discovered the secret behind this paradox: favorable "longevity" genes that protect very old people from the bad genes' harmful effects. The novel method used by the researchers could lead to new drugs to protect against age-related diseases.
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- Massive project reveals shortcomings of modern genome analysis
11-07-2007 · EurekAlert!
The sequencing and comparison of 12 fruit fly genomes -- the result of a massive collaboration of hundreds of scientists from more than 100 institutions in 16 countries -- has thrust forward researchers' understanding of fruit flies, a popular animal model in science. But even human genome biologists may want to take note: The project also has revealed considerable flaws in the way they identify genes.
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- Scientists identify gene that may indicate predisposition to schizophrenia
01-24-2007 · EurekAlert!
In a study from the January issue of the American Journal of Human Genetics, a research team lead by Xinzhi Zhao and Ruqi Tang (Shanghai Jiao Tong University) present evidence that genetic variation may indicate predisposition to schizophrenia. Specifically, their findings identify the chitinase 3-like 1 gene as a potential schizophrenia-susceptibility gene and suggest that the genes involved in biological response to adverse conditions are likely linked to schizophrenia.
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- Scientists find major susceptibility gene for Crohn's disease
04-15-2007 · EurekAlert!
Using a novel approach, researchers identified that the PHOX2B, NCF4 and ATG16L1 genes constitute genetic risk factors for Crohn's disease. In addition, their study identified two regions of the genome where genetic risk factors are located but no known genes were implicated -- further work will be necessary to identify the causal genes in these regions.
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- Scientists identify fundamental brain defect, probable drug target in fragile X syndrome
09-17-2007 · EurekAlert!
Scientists have discovered how the gene mutation responsible for fragile X syndrome -- the most common inherited form of mental retardation -- alters the way brain cells communicate. In neurons cultured from laboratory rats, the scientists also were able to reverse the effects of the mutation using a drug targeted to the specific site in an upstream pathway of the defect. The finding could lead to the development of human therapies for this previously untreatable condition.
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- After a decades-long search, scientists identify new genetic risk factors for multiple sclerosis
07-29-2007 · EurekAlert!
A pair of large-scale genetic studies supported by the National Institutes of Health has revealed two genes that influence the risk of getting multiple sclerosis -- data sought since the discovery of the only other known MS susceptibility gene decades ago. The findings could shed new light on what causes MS -- a puzzling mix of genes, environment and immunity -- and on potential treatments for at least 350,000 Americans who have the disease.
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