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Serotonin in Medical News

Brain's Serotonin May Explain Seasonal Mood Changes

Higher binding potential in winter could clarify why people feel down when sun shines less TUESDAY, Sept. 2 (HealthDay News) -- Fluctuations in the actions of the serotonin transporter, which helps regulate the mood-altering neurotransmitter serotonin, may help explain seasonal affect...

Mother-daughter conflict, low serotonin level may be deadly combination

A combination of negative mother-daughter relationships and low blood levels of serotonin, an important brain chemical for mood stability, may be lethal for adolescent girls, leaving them vulnerable to engage in self-harming behaviors such as cutting themselves. New University of Washington re...

Disturbance in Serotonin Levels Result in Reduced Gasping In Kids with SIDS

According to the U.S. Centers for Disease Control and Prevention sudden infant death syndrome (SIDS) is the primary cause of death for // children under the age of 1. Statistics show that about 3,000 infants die each year from SIDS. The exact cause of (SIDS) is unknown. Jan-Marino Ramirez, an a...

Zogenix and Astellas Enter Exclusive Co-Promotion Agreement in the US for Newly Approved Sumavel(TM) DosePro(TM)

...in 24 hours of other ergotamine-containing or ergot-type medications or other 5-HT1( )agonists and is not generally recommended for use with selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors SNRIs or MAO inhibitors. Sumavel DosePro should be used during pregnancy ...

Gloomy Days Dim Cognitive Powers of the Depressed

... Kent said. In particular, the authors have pinpointed the melatonin and serotonin hormonal systems as culprits. Both of these systems are also implicated in ...f they don't pay attention, they're not going to remember things. Increased serotonin levels increase attention, which means you remember stuff better and the mi...

Five Eating Patterns That Worsen Stress

...in your bloodstream from the stress reaction can increase food cravings, especially cravings for sweets and high-fat foods. Eating sweets can increase serotonin in our brains, which makes us feel good--but so can taking a walk. Most importantly, if you do yield to your craving, eat mindfully, with your attenti...

Depression Poses Pregnancy Risks

... the risk of birth defects. Other reports have found that babies born to women who are taking a type of antidepressant known as an SSRI (selective serotonin reuptake inhibitor) could have breathing or feeding problems, according to the March of Dimes. The bulletin recommends that treatment with antidepr...

World's First Deep Brain Stimulation Device Approved for Treatment of Psychiatric Condition in Europe

...ined by a Y-BOCS score over 30, and who have tried at least three selective serotonin reuptake inhibitors (SSRIs) without treatment success, may be considered el...e disorder (OCD) in adult patients who have failed at least three selective serotonin reuptake inhibitors (SSRIs). About Reclaim DBS Therapy Reclai...

Breakthrough in combating the side effects of quinine

..., in this case between my yeast group and the parasite immunology group of Dr. Richard Pleass." The body uses tryptophan to make the brain chemical serotonin which is thought to produce healthy sleep and a stable mood - so a lack of tryptophan induced by quinine could also explain why many of quinine's sid...

NUCYNTA(TM) (tapentadol) CII Immediate Release Tablets Now Available for Relief of Moderate to Severe Acute Pain

... The development of a potentially life-threatening serotonin syndrome may occur with use of SNRI products, incl...riptans, and with drugs which impair metabolism of serotonin (including MAOIs). serotonin syndrome may include mental-status changes (eg, ag...
Serotonin in Medical Technology

Alterations in Intestinal Serotonin in Irritable Bowel Syndrome and Dyspepsia

ROCHESTER, MN, May 21, 2007-- Serotonin is a neurotransmitter that helps regulate intestinal functions. Mayo Clinic researchers set out to determine the role of serotonin in patients with IBS and dyspepsia. The study involved 48 females -- including individuals with IBS, individuals with dyspepsia...

Popular Breast Cancer Drug Used with Certain Antidepressants Puts New Jersey Women at Risk

...rsity School of Medicine released a study revealing that women using tamoxifen to prevent a recurrence of breast cancer who also use certain selective serotonin reuptake inhibitors (SSRI), for example Prozac(R) (fluoxetine), Paxil(R) (paroxetine) and Zoloft(R) (sertraline), have up to twice the chance of havin...

Unlikely Treatment Identified by BrainCells Neurogenesis Platform Improved Clinical Outcomes in Patients Suffering From Depression

...clinical validation of neurogenesis as a target for the treatment of mood disorders like depression, in contrast to the traditional focus on affecting serotonin function for antidepressant drug development," said lead investigator Maurizio Fava, M.D., vice chair, department of psychiatry at Massachusetts Gener...

Lexicon's Drug Candidate LX1032 for Carcinoid Syndrome Receives Orphan Drug Designation From EMEA

...arcinoid syndrome . LX1032 is designed to reduce serotonin production in patients with metastatic carcinoid tumors. Elevated levels of serotonin contribute to the gastrointestinal and possibly ot... was discovered and developed at Lexicon to reduce serotonin production by inhibiting tryptophan hydroxylase (T...

Arena Pharmaceuticals Announces Lorcaserin Data Demonstrating Highly Significant Categorical and Absolute Weight Loss and Improvements in Secondary Endpoints Associated with Cardiovascular Risk

... a novel single agent that represents the first in a new class of selective serotonin 2C receptor agonists. The serotonin 2C receptor is located in areas of the brain involved in the control of app...

Study Demonstrating Lurasidone Is Effective in Patients With Schizophrenia Published in The Journal of Clinical Psychiatry

...one has a unique chemical structure that differs from conventional and atypical antipsychotic agents. It possesses high affinities for dopamine D(2), serotonin 5-HT(7), 5-HT(2A), 5-HT(1A), and noradrenaline alpha(2C) receptors. Lurasidone exhibits little or no affinity for histamine H(1) or acetylcholine M(1)...

Arena Pharmaceuticals Announces the Presentation of Lorcaserin Phase 3 BLOOM Data at the American Diabetes Association's 69th Scientific Sessions

... a novel single agent that represents the first in a new class of selective serotonin 2C receptor agonists. The serotonin 2C receptor is located in areas of the brain involved in the control of app...

New Study: Antidepressants Commonly Prescribed with Tamoxifen Put Women at Much Higher Risk for Recurrent Breast Cancer

... at how these drugs impact breast cancer recurrence rates when taken with tamoxifen. The antidepressants at issue are three widely used selective serotonin reuptake inhibitors (SSRIs), Prozac(R) (fluoxetine), Paxil(R) (paroxetine) and Zoloft(R) (sertraline), and are among a group of drugs known as CYP2D6 ...

New Phase 3 Study of Tapentadol Immediate Release Tablets Published in Current Medical Research and Opinion Journal

... The development of a potentially life-threatening serotonin syndrome may occur with use of SNRI products, incl...riptans, and with drugs which impair metabolism of serotonin (including MAOIs). serotonin syndrome may include mental-status changes (e.g., ...

Dainippon Sumitomo Pharma Announces Lurasidone Phase III Data in Patients With Schizophrenia

... Dainippon Sumitomo Pharma Co., Ltd., lurasidone is a novel compound with a unique receptor-binding profile including high affinity for dopamine D(2), serotonin 5-HT(2A), 5-HT(7), 5-HT(1A), and noradrenalin alpha(2c) receptors. Lurasidone has low affinity for histamine H(1), and cholinergic M(1) receptors. ...
Serotonin in Medical Definition

Neuropsychiatry

...ll et al, 2000 Eating disorder Poor maternal parenting Atypical serotonin system, right frontal and temporal lobe damage Kaye et al (2005), Uber an..., U.F., Frank, G.K., Wagner, A., & Henry, S.E. (2005). Brain imaging of serotonin after recovery from anorexia and bulimia nervosa. Physiology & Behaviou...
Serotonin in Medical Dictionary

Serotonin

Serotonin (pronounced /ˌsɛrəˈtoʊnən/) is a monoamine neurotransmitter. ... 2.3 Endothelial cell function and Serotonin . 3 Biosynthesis. 4 Drugs targeting the 5 ... serotonin n. An organic compound, C 10 H 12 N 2 O, formed from tryptophan and found in animal and human tissue, es...

Tryptophan

... balance in adults. Find out why everyone wants to take a nap after the big Thanksgiving Day feast. ... Tryptophan also can be metabolized into serotonin and melatonin, ... Everyone knows you feel drowsey after a big turkey meal at Thanksgiving or Christmas. Is there something ( tryptophan ?) in th...

Phenylalanine

.... It is the dextrorotatory form of the amino acid Phenylalanine . ... Excessive levels of phenylalanine in the brain can cause the levels of serotonin ... Phenylalanine isn't harmful unless you have phenylketonuria (PKU) ... PKU is a rare condition in which the body cannot process phenylala...

Norepinephrine

... to treat fibromyalgia. ... of medications called serotonin and norepinephrine reuptake inhibitors (SNRIs) ... how it works, what side effects it can have, ... serotonin and norepinephrine . ... norepinephrine sy...fewer side effects than tricyclics. ... primarily serotonin and norepinephrine , known as monoamines. ... ...

Melatonin

...ion and tools for healthy living. ... synthesis and release of melatonin are stimulated by darkness ... melatonin n. A hormone derived from serotonin and produced by the pineal gland that stimulates color change in the epidermis of amphibians and Darkness stimulates the production of melat...

Kinins

... kinin is any of various structurally related polypeptides, such as ... Angiotensin - Eicosanoid - Histamine - Kinin - Platelet-activating factor - serotonin ... It can only activate kinins after being activated itself by ... It is known that kinins are inflammatory mediators that cause ... Kall...

Desensitization

...ssful Peanut Desensitization Program, UK ... Separation anxiety is a fairly common anxiety disorder that affects children and ... Selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine (Prozac) and ... Obesity, Obsession, Obsessive-compulsive disorder, Obsessive-compulsive personali...
Serotonin in Biological News

Lack of happiness hormone serotonin in the brain causes impaired maternal behavior in mice

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 by Dr. Natalia Alenina, Dana Kikic, and Professor Michael Bader of the Max De...

Sex differences in the brain's serotonin system

A new thesis from he Swedish medical university Karolinska Institutet shows that the brains serotonin system differs between men and women. The scientists who conducted the study think that they have found one of the reasons why depression and chronic anxiety are more common in women than in men. ...

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...

Women more depressed and men more impulsive with reduced serotonin functioning

Philadelphia, PA, September 17, 2007 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 reduced serotonin transmission cont...

Researchers iron out new role for serotonin

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. Appearing in the Proceedings of the National Academy of Sciences this week...

Low levels of neurotransmitter serotonin may perpetuate child abuse across generations

Infant abuse may be perpetuated between generations by changes in the brain induced by early experience, research shows at the University of Chicago shows. A research team found that when baby rhesus monkeys endured high rates of maternal rejection and mild abuse in their first month of life, t...

Genetic marker linked to problem behaviors in adults with developmental disabilities

... A common variation of the gene involved in regulating serotonin and norepinephrine in the brain may be linked to problem behaviors in adults with developmental and intellectual disabilities, new research indicates....

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

...nical target and minimising adverse events. For instance, the signalling of serotonin is mediated by 14 receptor subtypes. As one of the main mediators of the neurotransmitter action the serotonin (1A) subtype is of particular interest, since evidence indicates that it is...

UBC researchers develop new method to study gambling addictions

...sions can be impaired or improved with drugs that affect brain dopamine and serotonin levels suggesting that these neurotransmitters may moderate gambling behavi...he study found that rodents treated with drugs that reduced their levels of serotonin levels associated with impulse control in humans dramatically reduced thei...

A genetic link to premature ejaculation

...d to genetic factors, and is not just psychological. In an earlier study, researchers in The Netherlands linked premature ejaculation to a gene for serotonin regulation in a group of two hundred men. The new data from Finland independently show a genetic link to premature ejaculation in a much larger group,...
Serotonin in Biological Technology

The development of a serotonin 5-HT2C receptor-binding assay using the LEADseeker Multimodality Imaging System

Key words: serotonin • GPCR • receptor binding assay • LEADseeker • SPA Imaging Beads In mammals, serotonin (5-hydroxytryptamine, 5-HT) is a regulator of neural transmission which induces its biological effect by binding to ...

Sumavel(TM) DosePro(TM) (sumatriptan injection) Approved by FDA for Acute Migraine and Cluster Headache: First Product Featuring Novel DosePro Needle-Free Delivery System

...in 24 hours of other ergotamine-containing or ergot-type medications or other 5-HT1( )agonists and is not generally recommended for use with selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors SNRIs or MAO inhibitors. Sumavel DosePro should be used during pregnancy ...

REMERON(R) Now Approved in Japan for the Treatment of Depression in Adult Patients

...n." REMERON (mirtazapine) is a noradrenergic and serotonergic antidepressant, with a mechanism of action that is different from that of selective serotonin reuptake inhibitors (SSRI) and serotonin-noradrenaline reuptake inhibitors (SNRI). Important Safety Information About REMERON in the U.S. ...

Lexicon Initiates Phase 2 Clinical Trial of LX1032 in Patients With Carcinoid Syndrome

...arcinoid syndrome . LX1032 is designed to reduce serotonin production in patients with metastatic carcinoid tumors. Elevated levels of serotonin contribute to the gastrointestinal and possibly ot... in which LX1032 demonstrated potent reductions in serotonin production in healthy volunteers." The Phase ...

Genomas and Institute of Living Among Organizers of Pharmacogenetics Symposium at 2009 Annual Meeting of the American Psychiatric Association

...iving/Hartford Hospital, Hartford, CT Cytochrome P-450 2D6, 2C19, and serotonin Transporter Genotyping for Depressed Inpatients at the Mayo Clinic Mood Dis...oop, M.D., M.F.A. Medical College of Wisconsin , Milwaukee, WI The serotonin Transporter Gene ( SLC 6A4): Understanding Variability and Enhancing the...

Intra-Cellular Therapies Reports Positive Final Results of a Phase II Clinical Trial with ITI-007 in Patients with Sleep Maintenance Insomnia

...gonist, dopamine receptor phosphoprotein modulator (DPPM), and inhibitor of serotonin reuptake. These additional actions clearly differentiate ITI-007 from other...y 5HT2A receptors while adding incremental amounts of dopamine receptor and serotonin reuptake transporter (SERT) occupancy. Together, these data suggest that I...

Valdoxan(R) Granted Marketing Authorisation for the Treatment of Major Depressive Episodes in Europe

...cy of Valdoxan as compared with placebo, selective serotonin reuptake inhibitors (SSRIs) and serotonin noradrenaline reuptake inhibitor (SNRI) treatments...ntidepressant efficacy without having an impact on serotonin levels," pointed out Professor Racagni from the Un...

BrainCells Inc. Appoints David E. Thompson to Its Board of Directors

... by acting as a neurogenic agent directly on in vitro human neural stem cells, unlike an SSRI which acts by an indirect mechanism, which may eliminate serotonin associated side effects. BCI-540 was in-licensed from Mitsubishi Pharma (MPC) based on its neurogenic properties and in previous studies was shown to ...

European CHMP Adopts Negative Opinion on Cymbalta for the Treatment of Fibromyalgia

... is not fully known, it is believed to affect both serotonin and norepinephrine/noradrenaline mediated nerve si...cal studies, duloxetine is a reuptake inhibitor of serotonin and norepinephrine/noradrenaline. Scientists belie...in perception is due to increasing the activity of serotonin and norepinephrine in the central nervous system. ...

XTL Biopharmaceuticals Receives Notice of Non-Compliance with Nasdaq Marketplace Rule Due to Changes in Board Composition

...als Ltd. ("XTL") is engaged in the development of therapeutics for the treatment of diabetic neuropathic pain and HCV. XTL is developing Bicifadine, a serotonin and norepinephrine reuptake inhibitor, for the treatment of diabetic neuropathic pain, which is currently in a Phase 2b study. XTL has out-licensed it...
Serotonin in Biological Definition

Hormone

...derived hormones : adrenaline (or epinephrine) dopamine melatonin (N-acetyl-5-methoxytryptamine) noradrenaline (or norepinephrine) serotonin (5-HT) thyroxine (T4) triiodothyronine (T3) Peptide hormones : antimullerian hormone (AMH, also mullerian inhibiting factor or h...

Neurotransmitter

...ain regions by particular classes of nerve cells. serotonin is generally used as a neurotransmitter in cells ...itters in the synaptic gap longer. Prozac is a serotonin reuptake inhibitor, hence potentiating its effect.... epi /adrenaline) from tryptophan : serotonin ( 5ht /5-hydroxytryptamine) from histidine ...

Selective serotonin reuptake inhibitor

... Selective serotonin reuptake inhibitors ( SSRIs ) are a class of ant...o increase the amount of the neurotransmitter , serotonin (5-hydroxytryptamine or 5-HT), in the synaptic g...s the information releases neurotransmitters (with serotonin among them) into that gap. The neurotransmitters a...

Synapse

... many other elements of synaptic transmission. The drugs known as selective serotonin re-uptake inhibitors or SSRIs affect certain synapses by inhibiting the re-uptake of the neurotransmitter serotonin . One important excitatory neurotransmitter, acetylcholine , does not un...
Serotonin in Biological Dictionary

Malpighian tubule

... Malpighian tubule from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. Drosophila serotonin receptors stimulate fluid secretion in the Malpighian tubules ... In each Malpighian tubule , one cell is singled out, the tip cell, whose .....
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