See also stories tagged with Gene Serotonin
Search results for serotonin transporter gene
PET scans help identify mechanism underlying seasonal mood changes
Sep 02, 2008 |
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Brain scans taken at different times of year suggest that the actions of the serotonin transporter—involved in regulating the mood-altering neurotransmitter serotonin—vary by season, according to a report in the September ...
Researchers uncover gene's role in severity of drinking
Feb 04, 2009 |
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New research from the University of Virginia Health System could help explain why some alcoholics are more severe drinkers than others. A UVA team has found strong evidence that the serotonin transporter gene, SLC6A4, plays ...
Fluctuations in serotonin transport may explain winter blues
Sep 08, 2008 |
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Why do many Canadians get the winter blues? In the first study of its kind in the living human brain, Dr. Jeffrey Meyer and colleagues at the Centre for Addiction and Mental Health (CAMH) have discovered greater levels of ...
Multiple genes implicated in autism
Feb 09, 2009 |
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(PhysOrg.com) -- By pinpointing two genes that cause autism-like symptoms in mice, researchers at MIT’s Picower Institute for Learning and Memory have shown for the first time that multiple, interacting genetic risk factors ...
The genetics of fear: Study suggests specific genetic variations contribute to anxiety disorders
Medicine & Health / Psychology & Psychiatry
Mar 10, 2009 |
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Polymorphisms are variations in genes which can result in changes in the way a particular gene functions and thus may be associated with susceptibility to common diseases. In a new study in Psychological Science, a journa ...
Specific DNA variations of the serotonin transporter gene can influence drinking intensity
Nov 20, 2008 |
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The brain's serotonergic system plays an important role in alcohol preference and consumption. The serotonin transporter gene (SLC6A4), in particular, may regulate a person's propensity for severe drinking. A study of six ...
Gene linked with mental illness is studied
Nov 07, 2006 |
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U.S. scientists have found a gene variant linked with mental illness is also linked with enlargement of a brain region that handles negative emotions.
The yin and yang of genes for mood disorders
Mar 12, 2008 |
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Individual genes do not cause depression, but they are thought to increase the probability of an individual having a depression in the face of other accumulating risk factors, such as other genes and environmental stressors.
Analysis does not support association between genetic marker, stress and risk of depression
Jun 17, 2009 |
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Contrary to a previous report, an analysis of 14 previous studies does not find an association between a serotonin transporter gene variation, stressful life events, and an increased risk of major depression, according to ...
Sticky blood protein yields clues to autism
Mar 04, 2008 |
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Many children with autism have elevated blood levels of serotonin – a chemical with strong links to mood and anxiety. But what relevance this “hyperserotonemia” has for autism has remained a mystery.
Lack of happiness hormone serotonin in the brain causes impaired maternal behavior in mice
Jun 23, 2009 |
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A lack of serotonin, commonly known as the "happiness hormone", in the brain slows the growth of mice after birth and is responsible for impaired maternal behavior later in life. This was the result of research conducted ...
Researchers iron out new role for serotonin
Jan 27, 2009 |
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Vanderbilt University Medical Center investigators have found a surprising link between brain iron levels and serotonin, a neurotransmitter involved in neuropsychiatric conditions ranging from autism to major depression.
Women more depressed and men more impulsive with reduced serotonin functioning
Medicine & Health / Psychology & Psychiatry
Sep 17, 2007 |
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Women and men appear to respond differently to the same biochemical manipulation. Major depressive disorder (MDD) is one of the most common mental disorders, and it is also one of the most studied. It is already known that ...
Likely cause of postpartum blues and depression identified
Aug 07, 2008 |
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Unique biochemical crosstalk that enables a fetus to get nutrition and oxygen from its mother's blood just may cause common postpartum blues, researchers say.
'Neurological work-arounds' offer hope to people with monoamine-related disorders
Feb 20, 2009 |
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Researchers have known for decades that the brain has a remarkable ability to "reprogram" itself to compensate for problems such as traumatic injury. Now, a research article published in the February 2009 issue of the journal ...
