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Leucine in Biological News

Why the switch stays on

... of this amino acid to an amino acid called leucine is a commonly observed defect in cancer cells. ... and the defective Ras has position 61 as a leucine or one of the few amino acids shown to cause cell ... switch stays on when Raf binds Ras containing the leucine mutation and that it can be turned off in the ...

States expand newborn screening for life-threatening disorders

... in was part of a pilot program to expand newborn screening in California." 3MCC is a serious disorder that leaves newborns unable to metabolize leucine an essential amino acid found in many forms of protein. But because Giana, now age six, was diagnosed early, she was put on a special diet and is ...

Production of key Alzheimer's protein monitored for first time in humans

... give test subjects a form of the amino acid leucine that has been very slightly altered to label it. Inside the leucine are carbon atoms with 13 neutrons and protons in ... of hours, cells in the brain pick up the labeled leucine and incorporate it into the new copies they make ...

Feeling old?

... starts to win. However, adding the amino acid leucine to the diet of old individuals can set things ... that breakdown may be affected. While adding leucine to the diet restores protein building there was ... so there is excessive breakdown. But adding leucine to the diet restored a balanced metabolism. ...

Scientists solve 30-year-old mystery of mutant mouse's kidney woes

... changed." The change swaps the amino acid serine for the amino acid leucine at a key position in the protein. Serine can undergo phosphorylation, a form of chemical modification frequently used in biological processes; leucine cannot. This change apparently disrupts the processes that otherwise ...

Scientists crack 40-year-old DNA puzzle and point to 'hot soup' at the origin of life

... One of quirks of the genetic code is that there are groups of codons which all translate to the same amino acid. For example, the amino acid leucine can be translated from six different codons whilst some amino acids, which have equally important functions and are translated in the same amount, ...

Newly discovered genetic disease sheds light on body's water balance

... baby having a change from arginine to cysteine (R137C). This same mutation was carried by his mother. The other child had a change from arginine to leucine (R137L) but the mother is normal, suggesting that the baby's mutation occurred spontaneously. The fact that the two affected patients are boys is not ...
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(Date:9/30/2014)... Salk professor and Howard Hughes Medical Institute investigator, ... named recipients in the 2014 round of grants ... the BRAIN (Brain Research through Advancing Innovative Neurotechnologies) ... announced September 30, provides more than $3 million ... years. , The BRAIN Initiative, launched last year, ...
(Date:9/30/2014)... water may increase the risk of stillbirth and ... by a Boston University School of Public Health ... Environmental Health , compared 1,091 PCE-exposed pregnancies ... Cape Cod, Ma., where water was contaminated in ... the installation of vinyl-lined asbestos cement pipes. PCE ...
(Date:9/30/2014)... live in almost any aquatic environment on Earth, but ... species are pushed to the limit. The amount of ... critical for how different species cope in the future, ... of Gothenburg, published in the scientific journal Proceedings ... continues apace thanks to increasing levels of greenhouse gases ...
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(Date:9/30/2014)... By Alan Mozes ... 2014 (HealthDay News) -- Colon cancer patients who are ... slightly higher risk for developing a second weight-related cancer, ... to the risk of colon cancer recurrence, only the ... , "We found that colorectal cancer survivors who reported ...
(Date:9/30/2014)... leading cause of cancer death in women, according to ... professionals encourage women to get mammograms, even though the ... suspicious mammograms actually leads to a cancer diagnosis. , ... and their familiesnot to mention the time, discomfort and ... , Recently, a different type of test, ultrasound elastography, ...
(Date:9/30/2014)... September 30, 2014 Keystone Symposia will convene ... first in its 2014-15 Global Health Series on ... Sheraton Seattle Hotel immediately following the conclusion of ... four-day conference is part of the Keystone Symposia Global ... Foundation, which has also funded travel awards for 36 ...
(Date:9/30/2014)... 30, 2014 A new study ... studied the impact of stress on metabolism after eating a ... fries from a fast food restaurant, about 930 calories and ... for 20 minutes every hour for 7 hours, conducting the ... women who had experienced a stressful event in their lives ...
(Date:9/30/2014)... Integrated Medicine Alliance , Monmouth ... new medical specialty practice through a unique partnership with ... be located within the company’s Shrewsbury location and will ... Tawfik of American Heart Center, P.C., a highly regarded ... offer Integrated Medicine Alliance patients top notch cardiovascular care ...
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