UT MD Anderson Scientists Discover Secret Life of Chromatin (08/30/2011) A team of researchers directed by Dr. Sharon Dent, director of the Department of Epigenetics and Molecular Carcinogenesis and Center for Cancer Epigenetics, investigate
a signaling activity of chromatin that is independent of its central role in gene transcription.
Finally, when astrocytes were co-cultured with healthy neurons, AD astrocytes caused significant changes on
the signalling activity of neurons when compared to healthy astrocytes.
Secretion and
signaling activities of lipoprotein - associated hedgehog and non-sterol-modified hedgehog in flies and mammals.
Not exact matches
Having been accused
of initially dismissing the significance
of Russian
activity, then slow - walking the investigation into it and repeatedly understating its effects, Zuckerberg used the opening minutes
of Facebook's third - quarter earnings call to
signal a new sense
of purpose.
The new agreement will allow Bloomberg to offer its customers a live feed
of curated tweets, alerts on
activity that could
signal a spike or other important chatter, historical graphing and sentiment analysis.
Perhaps reflecting the mixed
signals being sent by an economy where equity markets are hot but other economic
activity remains tepid, 30 %
of respondents to a recent COMPAS poll say additional stimulus spending should «probably not» be made.
«Our engineers also noticed an unusual EMG
signal,» Adam says, «so in the second year we put sensors in the upper arm
of the shirt to started capture muscle
activity.
«Role modeling is a way
of signaling what's appropriate in terms
of how you behave, what you do, the
activities you engage in, and what you believe.»
A reading
of more than 50 points indicates an increase in industrial
activity while a figure below 50
signals contraction.
Critics insist HFT distorts pricing
signals sent by investors who support the capital raising
activities of the economy.
It's not surprising that general partners and their respective limited partners want to keep this
activity quiet — an LP interest transfer resulting from a very practical reason could unnecessarily be misconstrued as a vote
of no confidence by the LP or a
signal of an LP's poor financial health.
«It stands to reason that the decline that we've seen over recent weeks is a reasonable
signal that the pace
of economic
activity has flipped,» said Nick Chamie, global head
of emerging markets research at RBC Dominion Securities Inc..
It
signals to the rest
of Corporate America that many investors now look at social responsibility as an item just as deserving
of funding in the bond market as any other core business
activity.
Copper also responds fairly directly to the level
of economic
activity, and it too
signals a sluggish global economy.
ANZ head
of Australian economics Felicity Emmett said the numbers
signalled the economy was growing at a healthy pace and the transition to non-mining
activity was on track.
Economies across Asia, including China, showed slowing growth or contraction in manufacturing
activity,
signaling the region isn't yet feeling the benefits
of renewed strength in the West
Those pieces
of news usually
signal times when trading will be particularly good, or when it might be a good idea to shift my sleep schedule so that I'm trading when there's a lot
of market
activity.
Of these two modes of psychic activity, the intelligent interpretation and response to signals was prior, since it was in continuity with animal existenc
Of these two modes
of psychic activity, the intelligent interpretation and response to signals was prior, since it was in continuity with animal existenc
of psychic
activity, the intelligent interpretation and response to
signals was prior, since it was in continuity with animal existence.
But ministry, despite the grim landscape in our generation, has within it the
signals of transcendence, the possibility that frustration (which is the obverse
of wonder) is not the last word, that even abrupt events invite us to that intellectual
activity we call wonder.
The burst
of energy and
activity toward the end happens because moms - to - be are trying to get everything ready before the baby comes, Dantas adds, and not a
signal that labor is going to start.
Don't be concerned that these phantom friends may
signal loneliness or emotional upset; they're actually a very creative way for your child to sample different
activities, lines
of conversation, behavior, and emotions.
In addition to any
signals received while wearing baby, this sort
of timing - based pottying will seem easier to you because you'll be including him in your potty
activities.
Trump
signaled that he was open to a new arrangement with European allies that would preserve the Iran nuclear agreement by expanding and extending its terms to constrain Tehran's development
of missiles and other destabilizing
activities in the Middle East.
«Sending out strong advance
signals to prospective families that if their child obtains a place at the school they will be expected to make significant financial contributions to school funds, requirements to purchase uniforms from expensive sole suppliers and charging for educational
activities are all strategies
of covert selection.
He was armed with the
signal that was sent to IGP Idris by the IGP X Squad on the
activities of the Special Anti-robbery Squad in the state.
The researchers used a drug called clorgyline to inhibit the
activity of the MAOA enzyme; the drug disrupted the
signaling system that led to cancer cell invasion and proliferation.
Once there, the protein acts on the osteoblasts and inhibits Wnt
activity, which is a cellular
signalling pathway that is involved in the formation
of the skeleton and in certain disorders, such as osteoporosis, arthritis and myeloma.
The researchers collected the brain
activity — five additional sensors were placed on the volunteers» faces to allow researchers to screen for the impact
of random movement, including eye blinks — and then mapped the
signals back to the brain to determine how specific parts
of the brain are involved in discrete tasks associated with walking, said Trieu Phat Luu, co-first author and a post-doctoral researcher in the Noninvasive Brain - Machine Interface System Laboratory at UH.
«We think that delta wave burst
of activity acts like a «go»
signal that triggers individual neurons to start ramping their
activity to encode the passage
of time,» Parker explains.
An Ludwig - Maximilians - Universitaet (LMU) in Munich study reveals that sound - evoked
activity of neurons in the auditory system
of the mouse increases the thickness
of their myelin sheaths — and enhances the speed
of signal transmission — both during development and in the adult brain.
Taking a closer look, the team found that the onset
of sepsis disrupts the normal
activity of specific interferons,
signaling proteins used for communication between immune system cells.
Crucially, this molecule seems to damp down the
activity of a gene involved in glutamate
signalling in the brain.
When they sense it, they initiate a cascade
of signals that ends up modulating the
activity of the hormone auxin.
Using small - molecule inhibitors to eliminate the
activity of the proteins produced by the bird - specific, median
signaling zone in chicken embryos, the researchers were able to induce the ancestral molecular
activity and the ancestral anatomy.
The exact location
of neural
activity is far more difficult to discern via EEG than with many other, more invasive methods because the skull, scalp, and cerebral fluid surrounding the brain scatter its electric
signals before they reach the electrodes.
Combined
signals result in «singing» that indicates the presence and intensity
of seizure
activity.
None perceived a difference between the two types
of sweat, but the pre-exam sweat had a different effect on brain
activity, lighting up areas that process social and emotional
signals, as well as several areas thought to be involved in empathy (PLoS One, DOI: 10.1371 / journal.pone.0005987).
The authors hypothesize that these
activities are components
of cellular reconfigurations that are involved in processing communication
signals essential for social organization.
The scientists observed that transmission
of chemical
signals between the nerve cells are facilitated by AMPA - receptors and the
activity occurs on the brain cell surface.
The elevation in a growing embryo's temperature, called hyperthermia, impacts the
activity of heat - sensitive channels that are present in cells necessary for an embryo's development, researchers report online October 10 in Science
Signaling.
The researchers then found that, while the drug continued to inhibit FGFR
activity in the resistant cells, its inhibition
of FGFR
signaling had no appreciable effect on the cells» survival.
The material blocks cell
signals, as well, adding an element
of risk to tweeting, texting and other mobile
activities, as the wearer must break cover to communicate.
«Because you've associated things over time, you're going to associate a certain triggering point in the frontal lobe or the basal forebrain and tell certain regions
of the brain stem to adopt a state
of activity as if it were receiving
signals from the body that were consonant with emotion x.
The brain
activity within the brainstem
of these older adults demonstrated abnormally large speech sound processing within seven to 10 milliseconds
of the
signal hitting the ear, which could be a sign
of greater communication problems in the future.
University
of Washington researchers have found that a calorie - restricted diet reduces the
activity of a cell -
signaling protein called TOR - 1 that may speed up cell aging.
The video and neural
signals were then combined to show which muscle movements resulted from which neuron firings and how the
activity of the neurons appeared to anticipate movement.
«Our hope is that our findings will help other scientists and engineers more precisely capture the emotional states that underlie moods, brain
activity and expressive
signals, leading to improved psychiatric treatments, an understanding
of the brain basis
of emotion and technology responsive to our emotional needs,» he added.
But, interestingly, they found that angry sounds and angry speech both produced ongoing brain
activity that lasted longer than either
of the other emotions, suggesting that the brain pays special attention to the importance
of anger
signals.
As
signals are sent from one cell to the next, rhythmic patterns
of electrical
activity, commonly known as brain waves, are generated.
This, explains Greco, facilitates the measurement
of electrophysiological
signals of patients and athletes over a longer period without restricting or influencing their normal
activities.