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Tag: "schizophrenia" at biology news

Nicotine rush hinges on sugar in neurons

... substance addiction, Stevens pointed to epilepsy, schizophrenia and depression as targets for improved drugs that could result from the study’s findings. The study provides the first detailed look at part of the mouse nicotinic acetylcholine receptor (nAChR), one in a large and important group of molecules, kno...

Gene malfunctions cause schizophrenia, depression symptoms in mice

...alfunction of a gene that had been associated with schizophrenia and depression does indeed cause symptoms of those...ossible animal model for developing treatments for schizophrenia and depression. Also, they said their findings support the theory that the two disorders share commo...

Chemical maps hint at drug's effects on schizophrenia

... used in the future to direct better treatment for schizophrenia and other psychiatric conditions, say Duke Univers...atures measured by metabolomics were different for schizophrenia patients than for people without the disease. In patients treated with three different antipsychotic...

Do fruit flies have free will?

...havioral variability in humans such as depression, schizophrenia or obsessive compulsive disorder. The research will appear in the May 16, 2007 issue of the open-access journal PLoS ONE. ...

MIT model helps researchers 'see' brain development

... shed light on other neurological diseases such as schizophrenia and Alzheimer's disease. ...

Bisexual fruit flies show new role for neurochemical

...ular dystrophy, post-traumatic stress syndrome and schizophrenia is influenced by the number of receptors on nerve cells. The more receptors each cell has at its communication points, or synapses, the better that messages are carried through the brain. A UIC research team led by David Featherstone, assistant pro...

Common gene version optimizes thinking -- but with a possible downside

... expression. In 257 affected families, people with schizophrenia were more likely to have this common version of the DARPP-32 gene. ...

Technology reveals 'lock and key' proteins behind diseases

...ch as breast cancer, heart diseases, arthritis and schizophrenia are caused by mutations in various human membrane proteins." ...

Racing neurons control whether we stop or go

...lems in people with obsessive-compulsive disorder, schizophrenia and Parkinson’s disease. "We think of people who are impulsive as acting too quickly," Logan said. "Kids with ADHD are actually slower on the ‘go?task than the control kids. It’s not that they go too quickly; they stop too slowly." In the race ...

Brain networks strengthened by closing ion channels

...HD, and is severely disrupted in disorders such as schizophrenia and bipolar disorder. The current study found t...hers' studies of more severe mental illnesses like schizophrenia and bipolar disorder, which can involve mutations of a molecule called DISC1 (Disrupted in Schizophr...

New dopamine brain target discovered

...chizophrenia. Research tells us that people with schizophrenia may have disordered calcium signals, and the major treatments for this disease target the dopamine system. Drs. George and O'Dowd state, "our data links these two pieces of evidence, creating better understanding of the disease and opening the door f...

The influence of the menstrual cycle on the female brain

...nstrual cycle4 than in the luteal phase5.Moreover, schizophrenia tends to appear later in women than in men. 1. Dopamine is a neurotransmitter, more specifically a molecule that modulates neuron activity in the brain. Dopaminergic neurons use dopamine as a neurotransmitter/neuromodulator. 2. Structures inclu...

Brain tissue reveals possible genetic trigger for schizophrenia

...lating molecules called microRNAs were lower among schizophrenia patients than in persons who were free of psychiat...em prefrontal cortical brain tissue of people with schizophrenia and persons who had no psychiatric illness, the researchers found for the first time a significant d...

Novel pathway regulates timing of brain cell development

...ications for diseases such as Alzheimer's disease, schizophrenia and autism. One key component of the pathway is a protein called erbB4 that straddles the outer membrane of the neural stem cell. Corfas's team showed that mice lacking erbB4 produced astrocytes earlier in embryonic development than normal. ErbB4 i...

Studies look at how genes affect antipsychotic drug response

...ication, is used to treat mental illnesses such as schizophrenia and bipolar disorder. Jeffrey Bishop, assistant ...adults who are experiencing their first episode of schizophrenia who are treated with risperidone for six weeks as part of UIC's First Episode Program. "Allowing p...

Researchers identify human DNA on the fast track

...cts in reelin expression have been associated with schizophrenia and other mental disorders. "We still can't say much about the function [of the DNA containing HAR1]," said Haussler, "but it's a very exciting finding because it is expressed in cells that have a fundamental role in the design and development of the...

Studies suggest new brain protein may help in treating schizophrenia, insomnia and anxiety

... reduce the biochemical and behavioral symptoms of schizophrenia in an established animal model for this mental ill...er drugs than others used to treat the symptoms of schizophrenia remains to be seen. We still have a very long way to go before proving it can alleviate symptoms in ...

Engineered mouse mimics cognitive aspects of schizophrenia

... The researchers cautioned that "Rodent models of schizophrenia have significant limitations. The neuronal circuit... their findings suggest that cognitive symptoms of schizophrenia may arise from subtle genetic differences in the dopamine receptor gene in schizophrenics that incre...

UCLA scientists find male gene in brain area targeted by Parkinson's

...rences in other dopamine-linked disorders, such as schizophrenia or addiction, may also be explained by the SRY gene, Vilain said. "It's possible that dopamine-related disorders that reveal dramatic differences in severity and rates in the genders could depend on the SRY levels in the brain," he said. ...

Feinstein researchers identify intelligence gene

...udy involved 213 unrelated Caucasian patients with schizophrenia or schizoaffective disorder and 126 unrelated heal...paired in carriers of the risk variant in both the schizophrenia group and the healthy volunteers as compared with the non-carriers. "While our data suggests the dy...

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