Sentences with phrase «cell movements in»

In vivo imaging of tumor - propagating cells, regional tumor heterogeneity, and dynamic cell movements in embryonal rhabdomyosarcoma.
To better determine the role of specific chemoattractants in type III hypersensitivity, lead author Yoshishige Miyabe, MD, PhD, a research fellow in Luster's lab, used multiphoton intravital microscopy — an imaging technology pioneered for studies of immune cell movements in living animals by CIID investigator and co-author Thorsten Mempel, MD, PhD — to follow in real time the development of IC - induced arthritis in a mouse model of rheumatoid arthritis.
Because according to a report in the May issue of Current Biology, the jellyfish can accelerate their stinging cells to over five million g — it might be the fastest cell movement in nature.
To better understand what happens during immune reactions in the body, researchers at Tübingen University have developed a new way of labeling T - cells, allowing them to track the T - cell movement in mice using non-invasive positron emission technology (PET).

Not exact matches

Adding in information from personal assistants such as Google Assistant and Android cell phone movement and use, Google can map much of a person's activity throughout the day.
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.
Sodium plays a role in your critical body functions by regulating the movement of water in and out of your cells.
She says, «Our new findings show that in the absence of embryonic movement the cells that should form articular cartilage receive incorrect molecular signals, where one type of signal is lost while another inappropriate signal is activated in its place.
«Our new findings show that in the absence of embryonic movement the cells that should form articular cartilage receive incorrect molecular signals, where one type of signal is lost while another inappropriate signal is activated in its place,» Paula Murphy, a professor of zoology at Trinity College Dublin who co-led the study, says.
At week 30 his bone marrow will have taken over red blood cell production and his first bowel movement is being developed in his intestines.
Moving up to 2006, Mike mentioned an SMS - driven electoral victory in South Korea, a successful petition drive in South Africa and a movement to send peace messages to Iraqi cell phones (for a look at less pacific uses of cell phones in the war in Iraq, see this article from a couple of months ago).
A longtime Albany reporter was arrested early Wednesday afternoon after he used his cell phone in the lobby of the New York State Senate — a move that gave birth to a hashtag movement and saw Gov. Andrew Cuomo step in to free him.
p75NTR - independent transport was also more erratic, with a larger proportion of viruses moving in the wrong direction, i.e. away from the cell body and towards the tip, suggesting that p75NTR facilitates the directed fast movement of the virus.
As the cochlea's fluid moves, about 15,000 hair cells sitting in it, each tuned to a particular frequency, pick up the motions; the cochlear nerve translates the movements into auditory messages that are sent to the brain.
The new model overcomes a long - standing barrier to accessing hair cells, the delicate sensors in the inner ear that capture sound and head movement and convert them to neural signals for hearing and balance.
Neurons that fire in response to horizontal and vertical movements had already been found in the retinas of mammals, but the only cells known to be sensitive to approaching objects were in the brain.
While investigating mouse eye cells, Botond Roska and his team at the Friedrich Miescher Institute for Biomedical Research in Basel, Switzerland, noticed that one type behaved unusually in response to movement.
They used this novel simulation approach to build a model of a sperm cell that demonstrates cellular movement from individual dynein protein molecules in the tail all the way up to the whole cell, allowing them to observe how changes at the atomic level are reflected in larger - scale structures.
Sonia Coontz of Long Beach, Calif., received stem cell treatment two years ago after a severe stroke impacted movement in her right arm and leg and garbled her speech.
Published in Molecular Neurobiology, the study led by Dr Elodie Siney under the supervision of Dr Sandrine Willaime - Morawek, Lecturer in Stem Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cCells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cellscells.
One of the mysteries of the living body is the movement of cells — not just in the blood, but through cellular and other barriers.
In particular, HD mutations impacting the RhoGTPase signaling pathway interfered with filopodia, the slender projections that cells use to direct movement and communicate with other cells.
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.
The new findings prove that a group of cells in the brain can turn a short - lived sensation into complex, long - lasting muscle movements, says physiologist Simon Alford of Northwestern University.
In the lung cancer cell shown above at left, red shades indicate the presence of actin, a structural protein important in cell movemenIn the lung cancer cell shown above at left, red shades indicate the presence of actin, a structural protein important in cell movemenin cell movement.
The tremors and other movement impairments of Parkinson's are triggered by the death of dopamine - producing cells in the brain, so the investigators used flies that had been genetically engineered to have their dopamine cells die off as they age.
Using a mouse model, the team also demonstrated that two processes during neurodevelopment are regulated by the gene: proliferation — the replication of neuronal stem cells that have the potential to become multiple different kinds of cells, including neurons — and migration — the movement of neurons to specific locations in the brain during development.
The olfactory system comprises six million to 10 million receptor cells (of which there are nearly 400 different types) and links to multiple brain structures and neural pathways, including those involved in memory, emotion and movement.
When patients had high levels of activated CaM kinase II floating around in their brains, nerve cells got overstimulated, and symptoms of OCD or a movement disorder could erupt.
When the researchers administered drugs to inhibit the movement of certain «motor» proteins that transport mitochondria and other cargo within the cell by traveling along microtubules, the mitochondria accumulated in the axon of the neuron and never made it to the synaptic terminal.
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.
He and colleagues have determined what gives cholera bacteria their curved shape and whether it matters (a polymer protein, and it does matter; the curve makes it easier for cholera to cause disease), how different wavelengths of light affect movement of photosynthetic bacteria (red and green wavelengths encourage movement; blue light stops the microbes in their tracks), how bacteria coordinate cell division machinery and how photosynthetic bacteria's growth changes in light and dark.
He and colleagues are collecting eggs to track the cells» movements in tame and fearful birds.
Reichert says that such ultrathin layers of water are a common phenomenon, and understanding the behavior of HDL and LDL water may lead to insights into water's behavior in diverse situations, from ice skating to ion movement across biological cell walls.
But little is known about how ionizing radiation affects the extracellular matrix (ECM), a patchwork of proteins and other biomolecules that surrounds cells and plays a vital role in their shape, movement and signaling functions.
Lewy bodies are protein deposits that develop in nerve cells in regions of the brain involved in thinking, memory and movement.
The disease is caused by the accumulation of abnormally shaped α - synuclein proteins in neurons, leading to particularly toxic effects in dopamine - releasing cells located in brain regions that control movement.
Gut microbes may play a critical role in the development of Parkinson's - like movement disorders in genetically predisposed mice, researchers report December 1 in Cell.
They found, as expected, that movement in a cell's preferred direction caused a greater excitatory current to enter the cells» dendrites, the structures that receive incoming signals.
They found increased inhibitory currents in response to movement in the nonpreferred direction, suggesting that inhibitory inputs play a role in the ganglion cell's response.
Using an advanced imaging technique called intravital microscopy, the researchers followed the movement and interaction of HIV - infected cells in the spleen of mice.
Labeling biomolecules with light - emitting nanoparticles is a powerful technique for observing cell movement and signaling under realistic, in vivo conditions.
The ganglion cells are third or fourth in a chain of neurons triggered when light strikes the retina; the study suggested that neurons somewhere in this path calculate movement direction from the timed interplay of excitatory and inhibitory neural impulses.
In a 2006 study published in Cell, Vidal and Huda Zoghbi, a neurobiologist at Baylor College of Medicine in Houston, Texas, teamed up to show previously unsuspected interactions among the proteins produced by mutated genes in several of the movement disorders known as ataxiaIn a 2006 study published in Cell, Vidal and Huda Zoghbi, a neurobiologist at Baylor College of Medicine in Houston, Texas, teamed up to show previously unsuspected interactions among the proteins produced by mutated genes in several of the movement disorders known as ataxiain Cell, Vidal and Huda Zoghbi, a neurobiologist at Baylor College of Medicine in Houston, Texas, teamed up to show previously unsuspected interactions among the proteins produced by mutated genes in several of the movement disorders known as ataxiain Houston, Texas, teamed up to show previously unsuspected interactions among the proteins produced by mutated genes in several of the movement disorders known as ataxiain several of the movement disorders known as ataxias.
But that didn't pinpoint the site of computation; cells earlier in the pathway might be analyzing motion and delivering a larger excitatory signal to the ganglion cells in response to movement in the preferred direction.
Using a novel approach for imaging the movement of immune cells in living animals, researchers from the Massachusetts General Hospital (MGH) Center for Immunology and Inflammatory Diseases (CIID) have identified what appear to be the initial steps leading to joint inflammation in a model of inflammatory arthritis.
These biochemical processes are responsible for a broad range of movement in living organisms, including moving molecules around the interior of a cell or copying DNA into another form of genetic material, RNA.
In the inner ear of vertebrates, the balance system consists of three semicircular canals that contain fluid and sensory hair cells that detect movement of the head.
In earlier studies, Hajishengallis, Chavakis and colleagues found that Del - 1 acts as a gatekeeper that thwarts the movement and accumulation of immune cells like neutrophils, reducing inflammation.
In Parkinson's the pathways are thought to be out of balance, with interrupted motor cells causing the debilitating tremors and loss of movement control symptomatic of the disease.
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