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- Gene Associated with Social Behavior in Animals Has Similar Effects in Human Males
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September 2, 2008
Science Update
A gene variant related to the hormone vasopressin appears to be associated with how human males bond with their partners or wives, according to an NIMH-funded study. This is the first study to suggest that the wealth of information on vole pair-bonding may also apply to humans and may help to inform research on human disorders related to impaired social interactions and communication, such as autism.
- Mice Expressing Human Genes Bred to Help Unravel Mental Disorders
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June 26, 2008
Science Update
New mouse strains engineered to express human genes related to mental disorders are being developed under a recently-launched grant program from NIMH's Division of Neuroscience and Basic Behavioral Science.
- New Grant Supports Stem Cell-Derived Model of Autism-Related Illness
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June 26, 2008
Science Update
For the first time, researchers are developing a test tube model of Rett syndrome, a debilitating autism-like illness, in neurons derived from human embryonic stem cells. The study, recently funded by a grant from NIMH’s Division of Neuroscience and Basic Behavioral Science, addresses a crucial gap in understanding the workings of the rare autism spectrum disorder.
- Potential New Target Found for Developing Medications to Treat Bipolar Disorder
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June 20, 2008
Science Update
Medications that target the protein BAG1, which regulates a process that can trigger symptoms in people who have bipolar disorder, may offer a new way of treating the disease, according to NIMH scientists.
- The Maturing Brain Parallels its Evolution
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June 5, 2008
Science Update
Evolutionarily older areas of the human brain that mature earliest follow a simple, straight-line growth pattern. In contrast, newer areas that support our uniquely human capacities, such as thinking and language, mature latest and show the most complex growth pattern, NIMH researchers say. In keeping with their relatively recent evolution, newer areas are composed of more complex layers of cells and show stronger genetic influence later in development compared with evolutionarily older areas.
- One Gene Overrides Another to Prevent Brain Changes that Foster Depression
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March 12, 2008
Science Update
A variation on one gene affects how much of the brain chemical serotonin is available to brain cells. This variation is thought to raise the risk of depression in people who carry it. But NIMH scientists found that a variation in another gene, which produces brain-derived neurotrophic factor (BDNF) – a substance that enables growth and health of brain cells – appears to prevent or offset the changes generated by the depression-fostering variant.
- Genetic Tags Reveal Secrets of Memories’ Staying Power in Mice
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February 21, 2008
Press Release
A better understanding of how memory works is emerging from a newfound ability to link a learning experience in a mouse to consequent changes in the inner workings of its neurons. Researchers, supported in part by NIMH, have developed a way to pinpoint the specific cellular components that sustain a specific memory in genetically-engineered mice.
- Scans Reveal Faulty Brain Wiring Caused by Missing Genes
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February 20, 2008
Science Update
An NIMH study using an emerging imaging technology has discovered faulty wiring in the brains of people with Williams Syndrome, a rare genetic disorder that affects some aspects of thinking.
- Tomorrow’s Antidepressants: Skip the Serotonin Boost?
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February 14, 2008
Science Update
Even when serotonin levels stayed low, scientists were able to correct abnormal, mental-illness-like behaviors in mice by blocking an enzyme called GSK3ß. The finding adds evidence that molecular targets other than serotonin may lead to better and faster medications for some mental illnesses.
- IQ Boost From Breast Milk Linked to Gene-Environment Interaction
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December 17, 2007
Science Update
A new study shows that the intellectual boost associated with breast milk is only attained if a child has inherited one of two versions of a specific gene. The NIMH funded research is among the first to provide evidence of a specific genetic-environment interaction involved in complex mental functioning.