Tag: "depression" at biology news
SSRI antidepressants involve dopamine as well as serotonin signaling
...by previous evidence that dopamine was involved in depression
and in the function of antidepressants in the brain. They studied the nature and machinery of serotonin and dopamine signaling by treating mouse brain slices with fluoxetine (Prozac) and other chemicals, and analyzing the effects on the dopamine-sign...
Prenatal cocaine exposure exerts subtle effects on schoolchildren
...ler said. UF researchers have analyzed measures of depression
and self-esteem among caregivers and studied their views on parenting and child development. Children living in nurturing environments with supportive, competent caregivers scored higher on developmental measures, even when they had been exposed to c...
Depression gene may weaken mood-regulating circuit
...riting the short variant more than doubles risk of depression
following life stresses,** boosts amygdala activit...e," an inherited temperament trait associated with depression
and anxiety, was explained by how well the mood-regulating circuit was connected. "Until now, it's b...
Brain chemical serotonin involved in early embryo patterning, Forsyth scientists find
...ransmitter" that is involved in mood disorders and depression
and is targeted by antidepressants like Prozac, pl...etry and perhaps more. Who would have thought that depression
might be related to handedness?"...
Managing maternal depression during pregnancy presents significant challenge to clinicians
...an additional challenge for clinical management of depression
during pregnancy, Eydie Moses-Kolko, M.D., assista...ome, but an increased risk for maternal postpartum depression
is well known," Dr. Moses-Kolko said. "Until we know more, treatment of the disabling disorder of de...
Colleagues, friends gather to commemorate Nobel Laureate Axelrod
...ich has become fundamental to our understanding of depression
and anxiety disorders. His research described the "re-uptake" mechanism in brain cells, which regulates the levels of neurotransmitters available for communication between neurons (in fact, Dr. Axelrod coined the phrase "re-uptake inhibitor"). These ...
NIMH research showcased at APA meeting
...disorder, childhood and adolescent depression, and depression
resistant to standard interventions. The vast ran... brain activity. Certain subgroups of teens with depression
may respond better than others to treatment. "We view our research track at the APA meeting as an e...
Brain may be less plastic than hoped
...he animal's retina, centered on the fovea--a small depression
in the retina where vision is most acute--and covering the blind spot. They made baseline measurements of the cortical quiet zone two to three hours after the laser surgery and compared them to new readings taken every few weeks for up to seven and a...
Study links brain fatty acid levels to depression
...l has discovered that rats exhibiting the signs of depression
have increased levels of the omega-6 fatty acid, a... preventing arthritis. There is also evidence that depression
may be associated with a dietary deficiency in omega-3 fatty acids. This "phospholipid hypothesis" o...
The evolutionary triumph of flower power
...t group was happier more smiles and less observed depression
than those left for last; the two-bouquet folks were happier still. The most profound results appeared when participants were tested for detailed recall of the flowers, booklet decorations and book entries. Flower power again triumphed: Those who re...
Non-dieters more successful at boosting health than dieters, study finds
...trated significant improvements in self-esteem and depression
at the end the study, while the diet group demonstrated a worsening in self-esteem. The dieters' depression
levels initially improved but then returned to baseline. In summary, while the non-dieters did not ...
New bipolar survey: Patients' satisfaction influenced
...e preliminary data show that patients with bipolar depression
taking SEROQUEL: Showed a statistically signific...n and restlessness. The MADRS score decreases as depression
symptoms improve. ** HAM-A (Hamilton Anxiety Rating Scale) consists of 14 items that assess anxious ...
Biologists see combined structure of cold virus and receptor molecule
...nds into what we call a canyon, which is a surface depression
on the virus, and it might do that in at least two different steps. Perhaps it binds once loosely on the surface, and then it might bind again deeply into the canyon to strengthen its attachment." The research paper was written by Xiao; Carol M. Bato...
Taking a flying jump
...ff" sequence, involving stretching of the legs and depression
of the wings that can move the fly in a specific direction. Previous studies did not detect directional jumping1, but observations were made in conjunction with non-directional stimuli such as switching lights on and off. Card's results imply that th...
Recent developments on the genetics of alcohol use
...are behaviors that are directed inward and include depression
and anxiety. For some time, scientists have thought that specific genes may be responsible for influencing specific behaviors. While this is true for certain biological traits and some medical diseases, more recent studies are indicating that many ...
GSK nonpeptide oxytocin receptor antagonists damp contractions in late-term rat pregnancy
...: Robert H. Ring, head of molecular neurobiology, depression
& anxiety disorders, discovery Neuroscience, Wyeth Research, Princeton, New Jersey. "The central vasopressinergic and oxytocinergic systems as targets for psychiatric drug development." Patrice Collins, Medical Affairs, Astellas Pharmaceuticals I...
Molecular partners required for appropriate neuronal gene repression
...which may have long-term implications for treating depression
and other psychiatric disorders, was published online by Nature today. The enzyme's function is to remove methyl groups from histones to modify them in ways that trigger gene repression. Eight histones comprise a nucleosome, and long strings of nucle...
Global scientific research project launched to improve understanding of the human brain
...Alzheimer's disease, as well as new treatments for depression
or schizophrenia. But to date it has proved difficult for the scientists and researchers working on thousands of different projects around the world to manage the vast amounts of data being collected, given that a single human brain has over 100 bil...
National experts to gather for 'groundbreaking' alcohol, drug abuse, chemical intolerance meeting
... such as asthma, neurological conditions including depression
and migraine headaches and autoimmune conditions such as lupus and rheumatoid arthritis, Overstreet said. It also has been linked to addictions to drugs, alcohol and food and how people differ in their reactions to various environmental substances su...
Symptoms of depression may worsen heart failure
COLUMBUS , Ohio New research suggests that depression
may hasten the progression of heart disease by inc...ant professor of public health at Ohio State. "But depression
seems to make levels of this cytokine even higher, which is bad for patients." The study's results a...
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