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Depression in Biological News

Genetic factors may predict depression in heart disease patients

PROVIDENCE, RI Individuals with heart disease are twice as likely to suffer from depression as the general population, an association the medical community has largely been unable to explain. Now, a new study by researchers at The Miriam Hospital, in conjunction with The Montral Heart Institute, ...

Chantix side effects no worse with depression history

People with a likely history of depression who take varenicline (Chantix) do not report more severe mood symptoms, medication side effects, or less success quitting smoking compared to people with no history of depression taking this drug. The findings by Group Health, Free & Clear, and SRI I...

Coming soon: Self-guided, computer-based depression treatment

HOUSTON (Sept. 24, 2008) Self-guided treatment for depression could soon be only a mouse click away. Scientists with the National Space Biomedical Research Institute (NSBRI) are developing an interactive, multi-media program that will assist astronauts in recognizing and effectively managing...

Likely cause of postpartum blues and depression identified

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. That crosstalk allows the mother's blood to flow out of the uterine artery and get just a single cell layer away from the fetus' blood, ...

Study identifies changes to DNA in major depression and suicide

Autopsies usually point to a cause of death but now a study of brain tissue collected during these procedures, may explain an underlying cause of major depression and suicide. The international research group, led by Dr. Michael O. Poulter of Robarts Research Institute at The University of Wester...

Why serotonin can cause depression and anxiety

Mood disorders could be caused by a loss of our inherent, reflexive avoidance of aversive events, according to a study published in PLoS Computational Biology. Researchers from UCL in London and Columbia University in New York used computational modeling techniques to integrate what appeared to b...

MNI researchers locate neurological basis of depression following sports concussion

This release is also available in French . Researchers at the Montreal Neurological Institute of McGill University have identified the neurological basis of depression in male athletes with persisting post-concussion symptoms. The study, published in this weeks issue of Archives of General P...

Team identifies a molecular switch linking infectious disease and depression

Researchers at the University of Illinois report that IDO, an enzyme found throughout the body and long suspected of playing a role in depression, is in fact essential to the onset of depressive symptoms sparked by chronic inflammation. Their study, just published online in the Journal of Imm...

Mothers of multiple births at increased odds of postpartum depression

Mothers of multiples have 43 percent increased odds of having moderate to severe depressive symptoms nine months after giving birth compared to mothers of single-born children, according to researchers at the Johns Hopkins Bloomberg School of Public Health. Researchers examined the relationship be...

Researchers take first look at the genetic dynamics of inbreeding depression

Researchers have taken a first look at the broad genetic changes that accompany reproductive declines in inbred populations. Although scientists have known for more than a century that small populations of closely related plants or animals are likely to suffer from low reproductive success, the...

Children seriously affected when a parent suffers from depression

Life is hard for the children of a parent suffering from depression. Children take on an enormous amount of responsibility for the ill parent and for other family members. It is therefore important for the health services to be aware of this and have support functions in place for the whole family...

Pregnancy hormone predicts postpartum depression

Irvine, Calif. Women who have higher levels of a hormone produced by the placenta midway through pregnancy appear more likely to develop postpartum depression, a study authored by a UC Irvine researcher finds. The discovery could help identify and treat women at risk for postpartum depression ...

Newly-identified exercise gene could help with depression

New Haven, Conn.Boosting an exercise-related gene in the brain works as a powerful anti-depressant in micea finding that could lead to a new anti-depressant drug target, according to a Yale School of Medicine report in Nature Medicine. The VGF exercise-related gene and target for drug developm...

Gene malfunctions cause schizophrenia, depression symptoms in mice

Researchers have demonstrated for the first time that malfunction of a gene that had been associated with schizophrenia and depression does indeed cause symptoms of those disorders. They said their findings in mice offer a possible animal model for developing treatments for schizophrenia and depres...

NIH stimulus funding supports Emory biomedical scientists

...igher mortality and complication rates after a heart attack. This set of studies evaluates risk factors connected with heart disease in women such as: depression and history of trauma and biological changes in the heart and brain and inflammation in response to stress. Pediatric heart development: Children's...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

... better understand how this method of gene regulation fits into normal development, aging, learning and memory as well as its role in cancer, obesity, depression and other disease. DNA methylation inhibitors already are under study at MCG and other centers for a variety of cancers and blood disorders. Becau...

Short stressful events may improve working memory

...as not blocked, performed better in the maze than the blocked group. The researchers also determined that the stressful experience did not increase depression or anxiety-related behavior in the animals. "It is known that stress has both positive and negative actions in the brain, but the underlying mecha...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

...and and Switzerland) were 136.3 billion in 2007, including 99.3 billion for depression and anxiety-related disorders (McDaid, 2008). Furthermore, mental diso...velopment of new treatments for a series of neuropsychiatric disorders like depression or Alzheimers disease (Sahay & Hen, 2007; Kuhn et al., 2007). Furthermore, ...

Pre-pregnancy depressed mood may heighten risk for premature birth

...id. The study did not look at depressive mood or depression during pregnancy because the larger research proje...the U.S. the population at greatest risk for major depression is women of childbearing age and the onset and course of depression are often intertwined with reproductive events. A...

Study finds link between individual stress and adolescent obesity

.... The five factors used to determine the individual stressor index for the adolescents were: Academic problems Consumption of drugs and alcohol depression or poor mental health levels Acting out or aggressive behaviors Lack of future orientation The researchers wrote that the adolescents' relation...

Can happiness be inherited?

...ypotheses , Dr Alberto Halabe Bucay of Research Center Halabe and Darwich, Mexico, suggested that the hormones and chemicals resulting from happiness, depression and other mental states can affect our eggs and sperm, resulting in lasting changes in our children at the time of their conception. Brain chemica...

Free online toolkit provides standard measures for genome and population studies

...compare data from multiple studies, accelerating efforts to understand the complex genetic and environmental factors that cause cancer, heart disease, depression and other common diseases. The toolkit, which is available at https://www.phenxtoolkit.org/ , is the first product of the Consensus Measures for Ph...

American Chemical Society Weekly PressPac -- April 8, 2009

...to the article. These problems include a wide range of side effects such as heart valve defects, high blood pressure, and psychiatric symptoms such as depression and anxiety, the article notes. But researchers have recently made inroads into why some of those setbacks occurred in the first place. These insig...

Better living through chemistry

...active, bubbling mud volcano and from a brine pool that was previously a mud volcano. Brine pools are ponds of hyper-saline water that fill a seafloor depression without mixing with overlying seawater. These types of ecosystems--which have only rarely been studied by microbiologists or visited by anyone--are pa...

The sunlight solution for better health

...reventing heart disease, obesity, and even cancers. There is also evidence of the sun's beneficial effects on psychological disorders such as seasonal depression or difficulty sleeping. Carlson explains why vitamin D from supplements and nutrition sources is simply not enough to fulfill our health needs. Th...

Study suggests salt might be 'nature's antidepressant'

...ving associated with it can induce one of the key symptoms associated with depression," Johnson said. The UI researchers can't say it is full-blown depression because several criteria factor into such a diagnosis, but a loss of pleasure in normally pleasing activities is one of the most important features of...

Unexplained chest pain can be due to stress

...ral common factors among those affected, including stress at work, anxiety, depression and a sedentary lifestyle. Chest pain is a common reason for patients to... Fagring. The patients, both men and women, experienced more symptoms of depression and anxiety, and work-related stress when compared with a reference group o...

Internationally acclaimed researcher joins UH faculty thanks to $5.5 million grant

...strogen receptors and nuclear hormone receptors in the brain may be manipulated to treat neurodegeneration, Parkinson's disease, Lou Gehrig's disease, depression and other mood disorders. Margaret Warner, a research scientist who has worked with Gustafsson for more than 20 years at Karolinska, and up to 15 o...

What happens when we sleep

... understanding of the sleep-wake cycle and vital insight into the basis of sleep disorders such as narcolepsy and possibly also other diseases such as depression and Parkinson's. Sleep is regulated by processes in the brain in response to how long we are awake in addition to the light/dark cycle controlled ...

Researchers iron out new role for serotonin

...e) verified a critical role for the transporter in controlling brain iron levels. "Because SERT is such an important drug target in treating anxiety, depression and OCD, we need to stop and think about how iron might be influencing these disorders," Blakely said. The study also demonstrates the power of an in...

Tension in the nanoworld

...the surface of a Silicon Carbide crystal. With the near-field microscope the researchers were able to visualize the nanoscopic strain field around the depression and the generation of nanocracks. "Compared to other methods such as electron microscopy, the technique offers the advantage of non-invasive imaging w...

Mayo Clinic: Brain disorder suggests common mechanism may underlie many neurodegenerative diseases

...scovered a genetic defect that results in profound depression and parkinsonism in a disorder known as Perry synd...rophic lateral sclerosis diseases, and even common depression and sleep disorders that are also hallmarks of the... Understanding Perry syndrome may shed light on depression as well as metabolic syndromes, says Dr. Wszolek. ...

AGU journal highlights -- Dec. 31, 2008

...migrating dunes. By using pairs of high-resolution optical satellite images taken at differing times, the authors monitored dune migration in the Bodl depression of northern Chad over time intervals of 1 month to 6.5 years. The displacement maps generated from each pair of satellite images were then used to aut...

Timetable for Puget Sound restoration suffers setback

... first and second World Wars," said PNNL marine scientist and co-project lead Eric Crecelius. "Our core analysis detected reductions during the Great depression when smelting production stopped, but increased again during World War II." Scientists observed a steady decline in contaminant concentrations af...

Irritable bowel syndrome can have genetic causes

...delberg data could contribute to development and prescription of specific medications for certain genetic mutations in patients. Correlation with depression and pain Research of the serotonin system shows interesting correlations sero-tonin receptors are located on neural transduction pathways involve...

Siblings of mentally disabled face own lifelong challenges, according to researchers

... WASHINGTON People who have a sibling with a mental illness are more likely to suffer episodes of depression at some point in their lives, say researchers who analyzed four decades of data. Additionally, they found people with a sibling with low IQ are mor...

House Ear Institute, TGen and Belgian researchers identify gene in age-related hearing loss

...ses of age-related hearing loss could lead to treatments that would bring relief to millions of people worldwide who now suffer from social isolation, depression and even cognitive impairment as a result of not being able to properly understand what others are saying,'' said Dr. Matthew Huentelman, an investiga...

Exercise helps overweight children reduce anger expression

...n effective strategy to help overweight kids reduce anger expression and aggressive behavior." The finding fits with evidence that exercise reduces depression and anxiety in children and with what's considered common knowledge that exercise helps adults manage anger, she said. It also gives parents and ot...

Two from one: Pitt research maps out evolution of genders from hermaphroditic ancestors

...pring. (Sterile plants also can result, but plants with genes that favor the production of fertile offspring will be more successful.) When inbreeding depression in hermaphrodites is also considered, Ashman said, a gradual decline in the number of hermaphroditic plants is to be expected. Consequently, fewer chr...

SNPs affect folate metabolism in study of Puerto-Rican adults

...revious Tufts research which demonstrates that older Puerto Rican adults living in Boston are more likely to develop chronic health conditions such as depression and diabetes compared to older non-Hispanic whites living in the same neighborhoods," Tucker continued. "We hypothesize these health disparities are t...
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