Sentences with phrase «study cell movement»

Not exact matches

«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.

«This is the first study, to our knowledge, that demonstrates the mechanical continuity, strain transfer, and conformational changes that result from chemical energy release from the atomic scale up through the whole - cell level, as well as how tensegrity guides those changes to drive cellular movement,» says Ingber.

Our study points to potential therapeutic targets that could be inhibited to halt tumor cell movement,» says principal investigator Cynthia Reinhart - King, PhD.

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.

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.

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 ataxias.

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.

Although one might assume that it would be possible to simply combine neural activity from two arms acting independently, the study shows that cells act differently when they are coordinating the movements of two limbs than they do when separately instructing one limb or the other, he says.

A new study that confirms the role of a protein called PAK4 in the movement and growth of pancreatic cancer cells could help researchers find new ways to tackle the disease.

Dopamine, the neurotransmitter that helps keep body movements fluid, can kick off a toxic chain reaction that ultimately kills the nerve cells that make it, a new study suggests.

Still mysterious, however, is how grid and place cells obtain the information that every GPS system requires: the angle and speed of an object's movement relative to a known starting point, says Edvard Moser, co-author of the new study along with May - Britt Moser, his spouse and collaborator.

Dr. Andrew Cohen, an associate professor of electrical and computer engineering in the College of Engineering, is leading a group of researchers who are developing software and hardware that will enable biologists to better track and study the movement and multiplication of cells.

«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.»

Siva Vanapalli, an associate professor in the Department of Chemical Engineering, at Texas Tech University, recently received two grants from the Cancer Prevention and Research Institute of Texas (CPRIT) to study the movement of tumor cells throughout the body and new methods of detecting cancer cells.

Because you can't sedate humans and attach radio collars, scientists are studying human movements with cell phone records that reveal locations.

«Our results show that the movement of mitochondria from stem cells to recipient cells is regulated by the protein Miro1 and is part of a well - directed process,» remarked Anurag Agrawal, Professor at the CSIR - Institute of Genomics and Integrative Biology in Delhi, India, and one of the lead authors of the study.

In this study, the scientists used tracheal cells of the fruit fly Drosophila melanogaster to unravel the signalling mechanism involved in the regulation of cell movements.

«The advanced nano - focussed x-ray beam at ESRF has not only allowed us to locate the site of action of our novel Organo - Osmium FY26 candidate drug in cancer cells at unprecedented resolution, but also study the movement of natural metals such as zinc and calcium in cells.

Scientists use it as a model organism for studying cellular signals, disease, and the movement of cells in response to a chemical stimulus (chemotaxis).

New study finds it's not just dopamine - producing cells, but likely ones that secrete norepinephrine, as well, that kick - start the movement disorder

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.

Immunologist Sharon Evans of Roswell Park Cancer Institute in Buffalo, New York, and coworkers are studying how fever affects the movement of white blood cells, or lymphocytes, from the blood into lymphoid tissue, where they learn to recognize and fight pathogens.

Studies of cells in the eye that interpret movement may define a mechanism involved in many other neural operations

Embryonic hemocytes lend themselves beautifully to live imaging studies since fluorescent probes can be expressed specifically in these cells using hemocyte specific promoters and their movements subsequently imaged within living embryos using confocal timelapse microscopy.

A study comparing children between 7 and 11 years of age who have moderate or severe obstructive sleep apnea to children the same age who slept normally, found significant reductions of gray matter — brain cells involved in movement, memory, emotions, speech, perception, decision making and self - control — in several regions of the brains of children with sleep apnea.

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).

Prior studies by Bortvin and others showed that male germ cells quash the movement of transposons, minimizing mutations and ensuring high levels of sperm production.

The genes identified by this study may implicate pathways involved in inflammation, movement of proteins within cells, and lipid transport as being important in the disease process.

Although that study also is designed primarily at assessing the therapy's safety, researchers are checking to see whether the cells restore any feeling or movement.

Changes were found only in the experienced meditators.26 Another study found threefold changes in GE in the immune cells after yoga versus a control movement program.27 These studies suggest that there are greater changes in experienced meditators than in novices after one bout.

Tiny physical pokes and prods may be enough to spur stem cell movement and differentiation, according to a new study published online in Nature Materials today (October 18).

Recently, they have been studying whether a certain protein involved in cell movement acted at the leading edge of the traveling cell, and they had heard about a cutting edge technique that uses flashes of light to tether proteins to other proteins or fixed locations.

Nevertheless, the burst properties reported in this study strongly support the idea that the deeper layers of the SC act as an optimal controller: the systematic organization of peak firing rates and burst durations as function of saccade amplitude along the motor map, the synchronous change in firing rate of recruited cells in the population, and the shaping of the temporal burst profile of a given cell with the currently planned saccade, all contribute to the generation of straight eye - movement trajectories with optimal kinematics.

All of these cells were studied with a standard saccade task in which the animal made saccades from an initial fixation LED to a peripheral target LED which was presented for 500 ms.. The movement field of each neuron was determined by eliciting saccades to targets inside and neighboring the response field («movement field scan»).

«This study shows that sunlight directly activates key immune cells by increasing their movement.»

Studies have shown that catechins in green tea help to inhibit the movement of glucose into fat cells.

The same study also showed that anthocyanin facilitates the movement of nutrients in cells and eliminates wastes.