Sentences with phrase «on cell movement»

To investigate quantitatively whether there are restrictions on cell movement and / or differentiation along the a / p axis, we marked stem cells at a relatively low frequency to avoid generating two adjacent clones derived from different regions.

Not exact matches

Ohanian asked: «It's commonplace to track our movements on fitness bands, monitor our sleep patterns with cell phones, and interact with our homes on smart watches, but how far will it go?»

Laurentius Siemer, the stout anti-Nazi provincial of the German Dominicans, joined the Cologne resistance cell — the «Cologne Circle» — organized by the Catholic Workers» movement, most of whom were executed after the July 1944 assassination attempt on Hitler.

Waddington's paper in Towards a Theoretical Biology follows on from one by Brian Goodwin («A Statistical Mechanics of Temporal Organization in Cells») in which Goodwin looks at the question of how ordered systems like cells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physioCells») in which Goodwin looks at the question of how ordered systems like cells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physiocells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physiology.

They show that turning on this signaling hub activates the movement of the cancer cells.

Living cells are micrometer - scale units capable of replication, growth, chemical synthesis, and movement using technologies operating on individual molecules at the nanometer scale.

Stem cells have long been heralded as a potential treatment for a range of brain ailments, but research has so far focused on movement disorders such as Parkinson's disease.

New research at the Weizmann Institute of Science has shed light on the subject, especially on the movement of immune cells that race to the sites of infection and inflammation.

The cerebellum is the part of the brain responsible for posture, balance and movement, and the researchers focused on those cells that control blinking.

It is controlled, in part, by a series of channels on the surface of heart cells that regulate the movement of different ions into and out of the cells.

As the two cell types exchanged air and nutrients through the membrane, the researchers used on - and - off suction to make it expand and contract, mimicking a lung's natural movement.

Work on animals has suggested that ultrasounds can in fact interfere with fetal brain development, derailing the normal movements of cells that populate the brain.

Microtubules even come into play on the outside of cells, forming into cilia and flagella that allow for cell movement.

There is, thanks to the spread of Internet access and smartphones, more information on our daily lives than could have been imagined even a decade ago: We Google our aches and pains and stalk our former lovers, leaving a virtual trail of our daily movements simply by carrying a cell phone.

The new tool emerged from the PhD project of Yara Sánchez - Corrales from the Grieneisen Lab on cell polarity: the ability of cells to distribute internal proteins in order to facilitate communication, movement or growth.

Using a powerful imaging technique that allowed the scientists to track the presence and movement of parasites in living tissues, the researchers found that Toxoplasma infects the brain's endothelial cells, which line blood vessels, reproduces inside of them, and then moves on to invade the central nervous system.

For them, Levin thinks «there's a kind of twitchy program going on» in which photosensitive cells — the researchers aren't sure which ones — bypass the brain and directly spur the muscles into movement.

«Based on our study, it appears plant cells need both a high density of the enzymes that create cellulose, and their rapid movement across the cell surface, to make this happen so quickly.»

The researchers use standard confocal microscopy to zero in on the constant, jiggling motions of a cell's particles — telltale movements that can be used to decipher a cell's stiffness.

When attractant or repellant chemicals attach themselves to receptor sites on the surface membrane of a bacterium, it triggers a process within the cell that leads to the modification of the signal protein, CheY (pronounced «Key - Y»), enabling it to bind to the switch and change the bacteria's direction of movement.

Prof. Kathleen Cullen and her PhD student Jess Brooks of the Dept of Physiology have been able to identify a distinct and surprisingly small cluster of cells deep within the brain that react within milliseconds to readjust our movements when something unexpected happens, whether it is slipping on ice or hitting a rock when skiing.

In addition, the two genes are turned on in areas that are part of the cortico - striatal - thalamo - cortical circuit, a loop of brain cells connecting the cortex to specific regions involved in processing emotions and movement.

«Looking at a fixed cell at high resolution can tell you where different parts of the cell are at any given moment; but because much of biology depends on the movement of very small proteins finding each other and interacting, we really needed to look at how things move in a live cell.»

«Making the movements of HIV visible so that we can follow, in real time, how surface proteins on the virus behave will hopefully tell us what we need to know to prevent fusion with human cells — if you can prevent viral entry of HIV into immune cells, you have won,» says Dr. Blanchard, who is also associate director of Weill Cornell's chemical biology program.

Based on the activity of nerve cells measured during the planning and execution of the grasping movements, scientists could subsequently draw conclusions on the applied grip types.

In a report on the mouse studies, published online Sept. 11 in PNAS (Proceedings of the National Academy of Sciences of the United States of America), the investigators say the genetic alteration appears to release the biochemical «brakes» on brain cells involved in body movement, reasoning and perception of the world, triggering over-excited activity and reactions.

The virus seemed to trigger and enter through a balloonlike structure, or bleb, on the cell surface, which normally only forms during cell movement, division, or death.

A small molecule in cells that was previously believed to have no impact on animal behaviour could in fact be responsible for controlling precise movements, according to new University of Sussex research.

Researchers from Aarhus University conducted a case - control study on the condition of the dopamine - producing nerve cells in the brain and cells that participate in the brain's immune system in people suffering from rapid eye movement sleep behaviour disorder (RBD).

Shapiro's team realized that increasing the number of aquaporins on a given cell made it stand out in MRI images acquired using a common clinical technique called diffusion - weighted imaging, which is sensitive to the movement of water molecules.

The clinical consortium is led by AFFiRiS itself, and in addition to the PD booster trial, it is now recruiting for a separate Phase I trial of the α - synuclein vaccine against MSA, a synucleinopathy differentiated from PD or LBD based on the cell populations affected, the regional concentration of AS neuropathology, and the spectrum of movement and other symptoms.

After three months, there were fewer harmful clumps of huntingtin protein built up in brain cells, and the HD mice had improved somewhat on movement tests.

We seek to understand the expression and movement of mRNA from transcription through degradation and the effect that defects in these processes have on the cell.

Our conclusion that LFA1 and ICAM1 function during innate - like lymphocyte movement from the SCS into the LN parenchyma is based on four sets of observations in mice treated with αL blocking antibody: (1) innate - like lymphocytes transiently accumulate in the SCS; (2) the accumulated cells exhibit an unusual elongated morphology (suggesting a less adhesive state); (3) tracking analysis shows reduced numbers of cells migrating from the SCS into the parenchyma; (4) the cells are more sensitive to dislodgement by CD169 blocking antibody.

The lymph system depends on intrinsic contractions of the smooth muscle cells in the walls of lymph vessels (peristalsis) and the movement of skeletal muscles to propel lymph through the vessels tolymph nodes and then beyond the lymph nodes to the lymph ducts which return lymph to the cardiovascular system.

We make use of this it helps us to perform all our explosive movement on a molecular level, your body has a bunch of systems which your body uses as the main fuel source in the form of ATP present inside the muscle cell (called Creatine).

Deeper and deeper Charley travels into the truth of Jerry's nightly activities, uncovering a secret passageway with locked cells on either side and witnessing a feeding (The victim gives the first of a few notable character moments when she shows concern for the kid as the life slowly drains from her), until Gillespie brings the sequence to a minimalist climax with a precise series of pans that track Jerry's movements while Charley awaits a moment to escape.

Includes essays on the titles: The Importance of movement in living organisms Explain the importance of shapes fitting together in cells and organisms Carbon dioxide may affect organisms directly or indirectly.

A mystery to himself, Victor suppresses his memories of his childhood on a plantation, and works to infiltrate the local cell of a abolitionist movement called the Underground Airlines.

Vivian has presented extensively at veterinary symposiums on topics that include ischemic stroke, stem cell therapy, seizures, movement disorders, and inflammatory neurologic disorders.

A veterinarian gently sticks a small gauge needle into the mass and fenestrates (small movements) or aspirates (pulls back on the syringe) to pull out cells within the mass.

Poleward movement of zone boundaries — This must be the Hadley cells each side of the ITCZ (almost on the equator).