Tryptophan News and Research

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Tryptophan is one of the 20 standard amino acids, as well as an essential amino acid in the human diet.

UV light improves biosensing by immobilizing antibodies

From detecting pathogens in blood samples to the study of protein synthesis, Quartz Crystal Microbalance (QCM) sensors have many uses in modern biology. In this technique, antibodies anchored to gold electrodes on a piece of quartz crystal act like the "hooks" on the sticky side of a Velcro strap, grabbing molecules of interest as they pass by.

1 Nov 2011

Brain tumour discovery offers drug treatment hope

Australian scientists have played a key role in the identification of a new biochemical mechanism that allows brain tumours to survive and grow, offering hope of new drug treatments for some of the most aggressive tumours.

17 Oct 2011

FDA approves NDA for Edgemont's Fluoxetine 60 mg tablet

Edgemont Pharmaceuticals, LLC, a neuroscience focused company, today announced that the U.S. Food and Drug Administration (FDA) has approved its New Drug Application (NDA) for Fluoxetine Tablets 60 mg.

12 Oct 2011

Scientists discover new metabolic pathway which makes gliomas more aggressive

A research alliance of Heidelberg University Hospital and the German Cancer Research Center, jointly with colleagues of the Helmholtz Center for Environmental Research in Leipzig, have discovered a new metabolic pathway which makes malignant brain tumors (gliomas) more aggressive and weakens patients' immune systems.

7 Oct 2011

Novel therapies remove the brakes cancer puts on the immune system

Some of the newest therapies in the war on cancer remove the brakes cancer puts on the immune system, Georgia Health Sciences University researchers report.

17 Sep 2011

New insight into why some individuals may be more aggressive than others

Fluctuations of serotonin levels in the brain, which often occur when someone hasn't eaten or is stressed, affects brain regions that enable people to regulate anger, new research from the University of Cambridge has shown.

16 Sep 2011

Going bananas may help kids breathe easier

Going bananas may help kids breathe easier. Children who ate just one banana a day had a 34% less chance of developing asthmatic symptoms, according to new British research.

3 Sep 2011

Gastroenterology journal publishes results of Lexicon LX1031 Phase 2 trial in IBS

Lexicon Pharmaceuticals, Inc., a biopharmaceutical company focused on discovering breakthrough treatments for human disease, announced today that results from the Phase 2 clinical trial of LX1031 in patients with non-constipating irritable bowel syndrome (IBS) were published earlier this week in the August 2011 edition of the journal Gastroenterology.

11 Aug 2011

Positive data from Lexicon LX1032 Phase 2 study on carcinoid syndrome

Lexicon Pharmaceuticals, Inc., a biopharmaceutical company focused on discovering breakthrough treatments for human disease, announced positive, top-line proof-of-concept data from its recently completed Phase 2 study in carcinoid syndrome with LX1032, telotristat etiprate. Carcinoid syndrome is a chronic condition caused by neuroendocrine tumors that usually originate from the gastrointestinal tract.

9 Aug 2011

Lexicon's second quarter revenues decrease 55% to $0.6 million

Lexicon Pharmaceuticals, Inc., a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease, today updated its drug development progress and reported financial results for the three and six months ended June 30, 2011.

9 Aug 2011

Mood-related brain protein linked to sadness during cigarette withdrawal

Heavy smokers may experience sadness after quitting because early withdrawal leads to an increase in the mood-related brain protein monoamine oxidase A (MAO-A), a new study by the Centre for Addiction and Mental Health (CAMH) has shown. This finding, which was published in the Archives of General Psychiatry, may also explain why heavy smokers are at high risk for clinical depression.

3 Aug 2011

Egg yolks may protect against cardiovascular disease and cancer

One of nature's most perfect foods may be even better for us than previously thought. While eggs are well known to be an excellent source of proteins, lipids, vitamins and minerals, researchers at the University of Alberta recently discovered they also contain antioxidant properties, which helps in the prevention of cardiovascular disease and cancer.

7 Jul 2011

New slow-release compound protects against Huntington's and Alzheimer's

A study in a special early online publication of Cell, a Cell Press publication, reveals a promising new slow-release compound that protects mice against the neurodegenerative effects of both Huntington's and Alzheimer's disease.

3 Jun 2011

Human placenta plays an active role in serotonin synthesis

Research at the Keck School of Medicine of the University of Southern California's Zilkha Neurogenetic Institute shows for the first time that the human placenta plays an active role in synthesizing serotonin, paving the way to new treatment strategies that could mitigate health impacts such as cardiovascular disease and mental illness.

22 Apr 2011

Serotonin can help promote human intimacy and romantic feelings

The judgments we make about the intimacy of other couples' relationships appear to be influenced by the brain chemical serotonin, reports a new study published in Biological Psychiatry.

15 Apr 2011

Role of serotonin in autism spectrum disorders

Mouse models are yielding important clues about the nature of autism spectrum disorders, which impact an estimated one in 110 children in the U.S. In labs at the UT Health Science Center San Antonio, researchers are studying strains of mice that inherently mimic the repetitive and socially impaired behaviors present in these disorders.

25 Feb 2011

EMBL scientists reveal new insights into bacterial enzymes that causes tuberculosis

In a paper published today in PNAS, scientists from the European Molecular Biology Laboratory in Hamburg, Germany, reveal new insights into the workings of enzymes from a group of bacteria including Mycobacterium tuberculosis, the bacterium that causes tuberculosis.

15 Feb 2011

SciClone initiates phase 2b study of SCV-O7 for oral mucositis

SciClone Pharmaceuticals, Inc. (NASDAQ: SCLN) today announced the enrollment of the first patient in the company's phase 2b clinical trial of SCV-07 for the prevention of oral mucositis (OM) -- a painful, debilitating, and costly toxicity caused by chemoradiotherapy regimens used to treat head and neck cancer.

11 Jan 2011

Diet linked to onset of mental illness

Changes in diet have been linked to a reduction of abnormal behaviors in mentally ill people or animals, but a Purdue University study shows that diet might also trigger the onset of mental illness in the first place.

14 Dec 2010

Lower-protein infant formula helps attain same growth rate as breastfed infants

Newly published findings indicate that infants fed a lower protein infant formula developed by Pfizer Nutrition gained weight at a similar rate to those who were breastfed, according to a study published online today in the European Journal of Clinical Nutrition. Pfizer Nutrition has always recognized that breast milk is the best source of infant nutrition. The study established that infants fed a new, lower-protein infant formula attained the same growth rate and growth pattern as breastfed infants.

10 Nov 2010