Not exact matches
Gene,
Gene the Coke Machine (that's Coke as in soda pop) is the team's moniker
for the 6» 3», 280 - pound Chilton, who's being
switched from tackle to center, where he'll anchor an offensive line that lost four of five starters, not counting both tight ends.
«Some people are protected from the effects of sleep deprivation by this particular
gene variation but,
for most of us, sleep loss does something to the brain that simply prevents us from
switching gears when circumstances change.»
«Regulatory RNA modules are attractive
for applications in synthetic biology, because they detect signals from the environment directly and instantly
switch the subsequent
genes on or off,» explains Johanna Roßmanith.
Tsai's group manipulated the
gene for the protein p25, which has been implicated in several neurodegenerative diseases, so that it could be easily
switched on and off.
This finding came as a surprise since it was assumed that as a consequence of the evolutionary divergence between human and other animal viruses, the
genes that code
for LANA could not be
switched.
The study, published online today in Science Translational Medicine, further points to a master
switch for these
gene sets as a potential target of future therapies.
A virus containing the
gene that codes
for two molecular «
switches» essential
for turning skin cells into brown fat was used to trigger the change (Nature, DOI: 10.1038 / nature08262).
The key insight
for building such drugs came to Tim Tully, founder and chief science officer of Helicon, when his team at Cold Spring Harbor Laboratory on Long Island stumbled upon the molecular
switch: a
gene called CREB, which is involved in converting short - term memories into long - term ones.
Working with this hypothesis, the researchers conducted a statistical analysis of the CX3CR1
gene in over 7000 schizophrenia and autism patients and healthy subjects, finding one mutant candidate, a single amino acid
switch from alanine to threonine, as a candidate marker
for prediction.
CBX2 has aroused interest as a possible master
switch for maleness because tests in human cells suggest that mutations in it can shut off a
gene on the Y chromosome critical
for male sexual development.
The team concludes that the acetyl cap acts as an «on»
switch for the crucial
genes.
She also sought out
genes that controlled the
switch for maturation of T helper cells, maintaining just the right balance of T helpers — between Th1 cells that suppress allergic responses and Th2 cells that trigger them.
Harris and Ratcliffe describe in this month's Nature Genetics (vol 2, p 515) how the
switch system might be used in
gene therapy
for cancers.
Researchers are developing molecular
switches that can inactivate transplanted
genes, paving the way
for safer
gene therapies.
Affected family members, the group found, had inherited one or two defective copies of ZIC3, a previously unknown
gene that appears to code
for a transcription factor — a protein that
switches other
genes on or off.
This test determined that only a few
genes switched off when signaling was blocked — and one of them was the
gene known to code
for MHCI.
Issued last March to researchers at a little - known cotton seed company called Delta & Pine Land (D&PL) and the U.S. Department of Agriculture, the patent covers a technique
for transferring three
genes along with their genetic on
switches into the seeds of genetically improved plants.
In these animals, they
switched off the
gene responsible
for producing the enzyme arylsulfatase G.
This technique was inspired by evidence that cancers grow like embryos do, re-awakening many
genes vital
for rapid growth during pregnancy that had been
switched off after birth.
For instance, alterations to these chemical
switches can change the architecture of the heterochromatin, causing
genes to be expressed or silenced.
Using previous data, Orkin and his team identified the BCL11A
gene as a candidate
for controlling the molecular
switch.
The two
genes implicated — GNAQ and GNA11 — code
for proteins (known as G proteins) that normally function as molecular on - off
switches, regulating the passage of information from the outside to the inside of a cell.
Some RNA molecules
switch genes on and off,
for example, whereas others bind to proteins and other molecules.
Making up 98 percent of the genome, these regions do not code
for proteins, but they contain «
switches» that like a conductor control when and where
genes are expressed.
Still, by identifying the human hairless
gene as an important master
switch in regulating cell death in a hair follicle — a discovery that could lead to
gene therapies
for unwanted hair growth — Christiano emerged as a new star in the field, and a glamorous one.
Within the duplicate regions, Carmona - Mora and her colleagues discovered many
switches, known as enhancers, important
for controlling activity of
genes.
For example, nuclear factor - kappa B (NF - kB) is a complex of proteins that acts as a master switch for turning inflammation genes on and for controlling cell dea
For example, nuclear factor - kappa B (NF - kB) is a complex of proteins that acts as a master
switch for turning inflammation genes on and for controlling cell dea
for turning inflammation
genes on and
for controlling cell dea
for controlling cell death.
«We knew that Smchd1 was an epigenetic suppressor — a factor that
switches off
genes that are unnecessary
for that particular cells» function — but we were in the dark about where and how it was acting on the DNA.»
What we were surprised to find out was that the real differences we could detect in terms of when we did the swap experiments to say which yeast could outperform the other — what we learned was that the GAL1
gene, that the part [of] that, the DNA sequence is outside of the GAL1
gene, it acts as a
switch to turn up or turn down GAL1 expression, that had evolved considerably from the ancestral situation; and same
for the GAL3.And then what had happened was that each function had been optimized, that GAL3 had sort have been tuned to be sort of a loosely regulated kind of available anytime sensor of galactose and GAL1 had evolved to be an incredibly tightly regulated, in fact, it's the most tightly regulated
gene you know of in yeast.
Akassoglou and her colleagues thought they had a good candidate in the
gene for the p75 neurotrophin receptor (p75NTR), a regulator of cell death in the brain that also
switches on soon after liver injuries.
In DIPG, this «on»
switch for gene expression replaces methylation, or a protective «off»
switch for cancer - causing
genes.
To see if the
gene, Gp - 9, was really a
switch for social behavior, the researchers raised fire ants in captivity.
For all 20,000 individual
genes, they determined whether those
genes were heritable — controlled by the DNA «dimmer
switch» — or largely affected by environment.
The scientists zeroed in on the cells from the hippocampi of the cadavers, examining the
switch for the stress hormone
gene they had studied in rats.
Researchers showed that the
genes turned on by the
switch remained active
for several hours in several mammalian cell lines even after a short light pulse.
The team studied the genomes of almost 8,000 child and parent trios, focusing on
genes that coded
for proteins as well as non-coding parts of the genome that control the
switching on and off of
genes, known as regulatory elements.
The researchers engineered a strain in which a Synechococcus
gene normally turned on during photosynthesis signals its activity by
switching on the
gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.
The advances even point to strategies
for exploiting these regulatory elements to treat disease, by
switching off disease
genes and turning up the activity of healthy ones.
Think of these promoter regions like on - off
switches for next - door
genes — when a promoter region is methylated, the
switch is turned off and the
gene it controls does not get read and expressed.
«Cell biologists discover on - off
switch for key stem cell
gene.»
Boston Children's Hospital has offered non-exclusive licenses to
for - profit entities on a patent developed by Orkin's laboratory regarding BCL11A, a genetic
switch regulating hemoglobin production that is expected to form the basis of clinical trials
for gene therapy and
gene editing
for sickle cell disease and thalassemia.
They then used genome - wide analysis to search
for genes switched on by KLF4 at a late stage of reprogramming.
MicroRNAs are short molecules that work within all animal and plant cells, typically functioning as a «dimmer
switch»
for one or more
genes, binding to the transcripts of those
genes and preventing protein production.
What makes a horse different from a tiger, a mouse and a walrus is the set of regulatory
switches in the DNA that dictate where, when and
for how long those
genes are active.
MYCN and its kin are «transcription factors,» proteins that bind to DNA and influence the rate at which genetic information is used by the cell — essentially serving as brightener / dimmer
switches for gene activity.
One study, to be published online September 11 in Nature Communications, found that a much smaller number of
genes than previously believed serve as the ignition
switch for human embryo development.
«
Gene circuit
switches on inside cancer cells, triggers immune attack: Advance may open new pathways
for cancer immunotherapy.»
Originally, however, they were not examining brown fat thermogenesis, but instead were looking
for clues to the function of ERRβ, a protein about which little was known at the time, except that it was closely related to ERRα, appeared in brown fat cells, and also worked as a so - called nuclear receptor — a molecular
switch for gene activation that can be turned on by small lipophilic molecules or a signaling protein partner.
Experiments in mice suggested an important role in long - term memory
for CREB, one of many so - called transcription factors, proteins that
switch genes on and off.
The two species»
genes for the vasopressin receptor — which relays the hormone's message to brain cells — have slightly different «promoters,» the
switches that turn
genes on and off.