Trans fats hinder multiple steps in blood flow regulation pathways
... oils in processed foods contain trans fatty acids
that interfere with the regulation of blood flow. ... of double bonds in the essential fatty acids
in the oil and "saturating" the "unsaturated" ... displace and cannot replace the essential fatty acids
linoleic acid (omega-6) and linolenic acid ...
Omega fatty acid balance can alter immunity and gene expression
... have altered the consumption of omega-6 fatty acids
(w6, found in meat and vegetable oils) compared with omega-3 fatty acids
(w3, found in flax and fish oil). Many studies ... to as high as 10:1. Since these omega fatty acids
can be converted into inflammatory molecules, ...
'Disordered' amino acids may really be there to provide wiggle room for signaling protein
... and an ezrin-binding motif, a sequence of amino acids
that connects NHREF1 to cellular proteins such as ... for human proteins, over one third of the amino acids
that make up NHERF1 were predicted to be ... disordered segments, approximately 100 amino acids
long, which enable the protein to work. That is, ...
Eating fatty fish once a week reduces men's risk of heart failure
... adding to growing evidence that omega-3 fatty acids
are of benefit to cardiac health. Led by ... demonstrated that fatty fish and omega-3 fatty acids
help to combat risk factors for a range of ... who consumed 0.36 grams per day of omega-3 fatty acids
showed a 33 percent reduced risk of heart ...
Quails get super fit by simply eating omega-3 diet
... have some of the highest levels of n-3 fatty acids
(better known as omega-3 fatty acids) of any ... from the University of Ottawa, omega-3 fatty acids
have some rather astonishing effects. In humans ... fit simply by eating a diet rich in omega-3 fatty acids
on 27 March 2009 in The Journal of Experimental ...
Scripps scientists find structure of a protein that makes cancer cells resistant to chemotherapy
... inside. The cavity's interior is lined with amino acids
that bind to various substances, holding them in ... that the mammalian P-gp has many more such amino acids
and a greater variety of them, including aromatic amino acids
that are known to bind many different substances ...
NASA researchers find clues to a secret of life
... life uses only left-handed versions of amino acids
to build proteins." Glavin is lead author of a ... to make words, life uses 20 different amino acids
in a huge variety of arrangements to build ... hands. Although life based on right-handed amino acids
would presumably work fine, "you can't mix them," ...
Unfolding 'nature's origami'
... tip that balance."
Proteins are made of amino acids
arranged in a linear chain and the sequence of these amino acids
is determined by the gene producing them. How these chains of amino acids
are preprogrammed to fold into their correct ...
Relationships in rank and file
... the sequence of DNA components or amino acids
with all sequences in the database in just a few ... each other in such a way that similar amino acids
come to lie in the same columns. The sequence ... amino acids. Here, the similarity between amino acids
is measured by how often they mutate into each ...
'Fishy' clue helps establish how proteins evolve
... rare amino acid and, by example, other amino acids
made its way into the menu for protein ... in the genome. All of the 20 common amino acids
are incorporated into proteins in this way. ... from modification of one of the standard 20 amino acids
after it has become part of the protein. Many ...
Johns Hopkins scientists pull protein's tail to curtail cancer
... flexible tail contains a cluster of four amino acids
the building blocks of proteins that regulate ... as PTEN. When chemically modified, these amino acids
act to "glue" the tail back to the body of PTEN ... tail, or manipulating the cluster of four amino acids
so that they cannot be modified, the researchers ...
A little wine boosts omega-3 in the body: Researchers find a novel mechanism for a healthier heart
... is associated with higher levels of omega-3 fatty acids
in plasma and red blood cells. This is the major ... a 'trigger', boosting the amount of omega-3 fatty acids
in our body.
"Several studies have shown that ... men, had higher concentration of omega-3 fatty acids
in plasma and red blood cells independently of ...
Study reveals surprising details of the evolution of protein translation
... of transfer RNA, a molecule that delivers amino acids
to the protein-building machinery of the cell, ... carries instructions for the sequence of amino acids
in a protein), while the other transfers a ... and each carries only one of the 20-plus amino acids
found in proteins) so the researchers looked for ...
Eating fish may explain very low levels of heart disease in Japan
... quantities of fish loaded with omega-3 fatty acids
may explain low levels of heart disease in Japan, ... Japan to compare serum levels of omega-3 fatty acids
and atherosclerosis among Japanese, white ... and two times higher levels of omega-3 fatty acids
than white Americans or Japanese Americans.
Bacteria reveal secret of adaptation at Evolution Canyon
... found significant differences in the fatty acids
of several ecotypes that live on different slopes ... from the hot slopes had more heat-tolerant fatty acids
and 'European' ecotypes from the cool slopes had more cold-tolerant fatty acids
in their membranes."
In most modern ...
Scientists suspect omega-3 fatty acids could slow acute wound healing
... remains a mystery.
The omega-3 fatty acids
found in fish oils are widely considered to ... the increased systemic presence of omega-3 fatty acids
in the blood.
"That finding was hard to ... the proteins."
If the polyunsaturated fatty acids
in the fish oils do indeed delay acute wound ...
Scientists learn how food affects the brain
Omega-3 fatty acids
found in salmon, walnuts and kiwi fruit provide ... synapses, Gmez-Pinilla said.
"Omega-3 fatty acids
support synaptic plasticity and seem to ... on synapses," Gmez-Pinilla said. "Omega-3 fatty acids
are essential for normal brain function.
Trans-fatty acids and insulin sensitivity
... Trans-fatty acids
have been the topic of a lot of negative health ... incubating muscle cells with either trans-fatty acids
or oleic acid (olive oil); as in the rats, there ... of the cells.
So while trans-fatty acids
are still relatively unhealthy, these findings do ...
Purple extremist thrives under inhospitable conditions
... conditions are a prerequisite for life. Strong acids
or dissolved metallic salts in high ... Great Britain to identify an enzyme that requires acids
and dissolved metals in order to function. The ... At that time the earth was very inhospitable; acids
and metals in soluble form were everywhere. Peter ...
Researchers observe spontaneous 'ratcheting' of single ribosome molecules
... molecule that codes for the sequence of amino acids
in the protein. Another molecule, transfer RNA ... ribosome. Transfer RNAs bring individual amino acids
into the ribosome where they are assembled into ... ribosome, read the code and deliver their amino acids
one by one to a growing protein chain. The ...
American Chemical Societys Weekly PressPac -- May 7, 2008
... of proteins containing so-called unnatural amino acids
(UAAs). Living things normally use the same basic set of 20 amino acids
to make proteins. Scientists have made additional ... Efficient Incorporation of Unnatural Amino acids
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Birth of an enzyme
... i.e., to determine the sequence of the 200 amino acids
that make up the structure of the protein. This ... of ways to arrange 20 different types of amino acids
into strings of 200. But in practice, only a ... are available as the sequence of amino acids
determines the structure of the enzyme, which in ...
Meteorites a rich source for primordial soup
... have discovered concentrations of amino acids
in two meteorites that are more than ten times ... in Meteoritics and Planetary Science.*
are organic molecules that form the backbone of ... of life. Scientists have determined that amino acids
could also have formed in some environments on ...
Typical North American diet is deficient in omega-3 fatty acids
... and not much fish is deficient in omega-3 fatty acids
and this may pose a risk to infant neurological development. Omega-3 fatty acids
are unsaturated fats found in some fish such as ... Journal of Clinical Nutrition.
Omega 3 fatty acids
are important for the babys developing eyes and ...
ASU researcher may have discovered key to life before its origin on Earth
... that contain among a variety of compounds, amino acids
that have identical counterparts in terrestrial ... ASU professor emeritus John Cronin analyzed amino acids
from the Murchison meteorite (which landed in ... discovered a preponderance of left-handed amino acids
over their right-handed form.
The findings ...
Why the switch stays on
There are 20 existing amino acids
that can be joined into chains that make up ... of amino acids. In the chain of 189 amino acids
of which Ras is composed, the position in ... position 61 as a leucine or one of the few amino acids
shown to cause cell transformation, one of the ...
Elsevier announces new journal partnership for 2008
... Prostaglandins, Leukotrienes & Essential Fatty acids
(PLEFA) will become the Official Journal of the International Society for the Study of Fatty acids
and Lipids (ISSFAL).
2008 also marks the ... together to better understand the role of fatty acids
and their several important bioactive metabolites ...
Story ideas from the Journal of Lipid Research
... to chronic diarrhea.
Liver-produced bile acids
are intestinal detergents that break apart fats for easier absorption. Normally, most of the bile acids
also reabsorb, but during certain conditions (e.g. infection or short bowel syndrome) excess bile acids
enter the colon and impair water absorption, ...
Omega-3 fatty acids protect against Parkinson's, study says
... Quebec City, November 26, 2007Omega-3 fatty acids
protect the brain against Parkinsons disease, ... protective effect of a diet rich in omega-3 fatty acids
Parkinsons disease is ... type of omega-3had replaced the omega-6 fatty acids
already present in the brains of the mice that ...
Rebuilding the evolutionary history of HIV-1 unravels a complex loop
... they are so diverse; up to 35% of the amino acids
can differ between strains of HIV-1. Exposed to ... encoding the V3 loop to discover groups of amino acids
that were biologically dependent on each other. These co-evolving amino acids
formed ties across the V3 loop like rungs on a ...
American Chemical Society's Weekly PressPac -- Oct. 31, 2007
... long have known that flavonoids and phenolic acids
have beneficial health effects in reducing the ... cells.
The researchers studied how 15 phenolic acids
and six flavonoids affected fat cells in ... RELEASE
Effects of Flavonoids and Phenolic acids
on the Inhibition of Adipogenesis in 3T3-L1 ...
St. Jude influenza survey uncovers key differences between bird flu and human flu
... virus proteins. The differences in these amino acids
can be used as markers to track changes in H5N1 ... computationally surveying the sequence of amino acids
in 10,671 proteins from avian influenza viruses ... acquiring the preferred human influenza amino acids
in stages. Eventually, descendents of the ...
Mice run faster on high-grade oil
... on a diet high in polyunsaturated fatty acids.
Polyunsaturated fatty acids
are important dietary components which mammals cannot synthesize de novo. ... Combined, these two studies suggest that diets enriched in these fatty acids
"could also affect the maximum (or burst) running speed of other ...
Scripps Research scientists observe human neurodegenerative disorder in fruit flies
... of molecules called transfer RNAs (tRNAs) to supply them with the amino acids
they need to construct the proteins. The tRNA synthetases are needed to attach amino acids
to the tRNAs.
Sound complicated? It is. But the action of tRNA ...
Researchers observe single protein dimers wavering between two symmetrically opposed structures
... structure that is determined by the energy balance between the amino acids
that make them up.
The group of Scripps Research Associate Professor ... light emitted from two fluorescent dyes that are attached to amino acids
in the protein. The color of the measured light provides information about ...
An easy way to find a needle in a haystack by removing the haystack
... and reliably detect metabolites, such as sugars, fatty acids, amino acids
and other organic substances from plant or animal tissue samples. One drop ... sample: they were able to determine a wide range of blood-specific organic acids
in one drop of human blood, smaller than a micro liter. In medical ...
Omega-3 fatty acids appear to impact AMD progression
... BOSTON (June 18, 2009) - Omega-3 fatty acids
found in fatty fish such as tuna and salmon may protect against ... "Data from the present study also shows the supplements and omega-3 fatty acids
collaborate with low-dietary glycemic index (dGI) diets against ...
Fatty foods -- not empty stomach -- fire up hunger hormone
... or GOAT) for activation. Originally it was assumed that the fatty acids
attached to ghrelin by GOAT were produced by the body during fasting.
The new data by Tschp and his team suggests that the fatty acids
needed for ghrelin activation actually come directly from ingested dietary ...
Genetic switch potential key to new class of antibiotics
... deoxyribonucleic acid (DNA) chains are copied into messenger ribonucleic acids
(mRNAs). The mRNAs are then transported to ribosomes that pair them with transfer RNAs that contribute amino acids
into a protein chain, thereby decoding the gene. In recent years, ...
HIV pays a price for invisibility
... But HIV is tricky. To get around HLA-B*5703, the virus mutates three amino acids
that T cells need to recognize the infected cells, causing the killers to ... to a person without HLAB*5703, the virus changed its mutated amino acids
back to their original sequence, most likely because the benefit of ...