News tagged with x chromosome
Extra chromosome 21 removed from Down syndrome cell line
(Medical Xpress)—University of Washington scientists have succeeded in removing the extra copy of chromosome 21 in cell cultures derived from a person with Down syndrome, a condition in which the body's ...
Medical research
Nov 09, 2012 |
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Evolution's gift may also be at the root of a form of autism
A recently evolved pattern of gene activity in the language and decision-making centers of the human brain is missing in a disorder associated with autism and learning disabilities, a new study by Yale University researchers ...
Genetics
May 10, 2012 |
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Fragile X makes brain cells talk too much, research shows
The most common inherited form of mental retardation and autism, fragile X syndrome, turns some brain cells into chatterboxes, scientists at Washington University School of Medicine in St. Louis report.
Neuroscience
Feb 20, 2013 |
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Boosting natural marijuana-like brain chemicals treats fragile X syndrome symptoms
American and European scientists have found that increasing natural marijuana-like chemicals in the brain can help correct behavioral issues related to fragile X syndrome, the most common known genetic cause of autism.
Autism spectrum disorders
Sep 25, 2012 |
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Early menopause in mice: A model of human POI
(Medical Xpress)—Scientists have established a genetic mouse model for primary ovarian insufficiency (POI), a human condition in which women experience irregular menstrual cycles and reduced fertility, ...
Genetics
Aug 30, 2012 |
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Stem-cell approach shows promise for Duchenne muscular dystrophy
Researchers have shown that transplanting stem cells derived from normal mouse blood vessels into the hearts of mice that model the pathology associated with Duchenne muscular dystrophy (DMD) prevents the ...
Medical research
Jan 14, 2013 |
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Engineered flies spill secret of seizures
In a newly reported set of experiments that show the value of a particularly precise but difficult genetic engineering technique, researchers at Brown University and the University of California–Irvine have created a Drosophila fruit ...
Neuroscience
Oct 11, 2012 |
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Women have stronger immune systems than men and it's all down to a single chromosome
As anyone familiar with the phrase 'man-flu' will know women consider themselves to be the more robust side of the species when it comes to health and illness. Now new research, published in BioEssays, seems to support the id ...
Medical research
Sep 28, 2011 |
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Researchers report success in treating autism spectrum disorder
Using a mouse model of autism, researchers at the University of Cincinnati (UC) and Cincinnati Children's Hospital Medical Center have successfully treated an autism spectrum disorder characterized by severe cognitive impairment.
Autism spectrum disorders
Jul 02, 2012 |
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Study confirms males and females have at least one thing in common: Upregulating X
In a study published today in the journal Nature Genetics, a group of scientists including UNC biologist Jason Lieb, PhD, present experiments supporting a longstanding hypothesis that explains how males can survive with o ...
Genetics
Oct 24, 2011 |
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Arthritis study reveals why gender bias is all in the genes
Researchers have pieced together new genetic clues to the arthritis puzzle in a study that brings potential treatments closer to reality and could also provide insights into why more women than men succumb to the disabling ...
Genetics
Nov 16, 2012 |
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Genetic defect causing fragile X-related disorders more common than thought
A single genetic defect on the X chromosome that can result in a wide array of conditions—from learning and emotional difficulties to primary ovarian insufficiency in women and tremors in middle-aged men—occurs at a much ...
Genetics
Dec 20, 2012 |
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Gene gives clues to self-injurious behavior in rare disorder
In humans, inherited mutations in a gene called HPRT1 lead to very specific self-destructive behavior. Boys with Lesch-Nyhan disease experience uncontrollable urges to bite their fingers, slam their arms into doorways and ...
Medical research
Jul 27, 2011 |
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Animal model sheds light on rare genetic disorder, signaling pathway
A team of researchers from the University of Utah and Brigham Young University has developed a mouse model of focal dermal hypoplasia, a rare human birth defect that causes serious skin abnormalities and other medical problems. ...
Medical research
Jul 20, 2011 |
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Study reveals molecular networks of mental health disorders
(Medical Xpress)—Early diagnosis and intervention for ADHD, autism and schizophrenia could be made possible after Australian scientists discovered the molecular networks in the brain showing psychiatric and developmental ...
Psychology & Psychiatry
Feb 27, 2013 |
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X chromosome
The X chromosome is one of the two sex-determining chromosomes in many animal species, including mammals (the other is the Y chromosome). It is a part of the XY sex-determination system and X0 sex-determination system. The X chromosome was named for its unique properties by early researchers, and this resulted in its counterpart being named the Y chromosome for the next letter in the alphabet when it was discovered later.
For more information about X chromosome, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
