Sentences with phrase «of cells in»

Trauner explains the advantages of the method as follows: «The properties of light can be very precisely manipulated, so that we can modulate the state of the cells in a defined fashion.

As a newly hatched larva, Nyuki listens while her mentor, Dvorah («bee» in Hebrew), gently explains her impending transformation: A group of cells in her larval body will turn active, consume her from the inside out, and rebuild her as a mature bee during her imprisonment in the cocoon.

Bamford says the answer lies with another group of cells in the striatum that affect communication between the spiny neurons and the cells in the cortex.

MANY of the cells in the human body are teetering much closer to the brink of death than scientists had realised.

In a letter published in the cancer journal Annals of Oncology, researchers led by Professor Jean - Philippe Spano, head of the medical oncology department at Pitie - Salpetriere Hospital AP - HP in Paris, France, report that while treating an HIV - infected lung cancer patient with the cancer drug nivolumab, they observed a «drastic and persistent decrease» in the reservoirs of cells in the body where the human immunodeficiency virus (HIV) is able to hide away from attack by anti-retroviral therapy.

While it is present on a number of different types of cells in the body, it is expressed at higher levels on metastatic tumour cells, including those which have spread from the lung.

Through laser imaging at speeds up to 3,000 frames per second, a computer can capture images from all angles and reconstruct a model of all cells in the given sample, testing for all types of cancer in a matter of minutes.

«We hope it will ultimately do for ultrasound what green fluorescent protein has done for light - based imaging techniques, which is to really revolutionize the imaging of cells in ways there were not possible before.»

Researchers at Dana - Farber Cancer Institute this year announced that a previously unrecognized population of cells in the lymph nodes signals the immune system to tolerate conditions that would normally prompt an attack.

They are also interested in exploring the potential role of these cells in models of neurodegenerative movement disorders such as amyloid lateral sclerosis.

When the pancreatic islets, small masses of cells in the pancreas that produce insulin, are exposed to high levels of nutrients — as is the case among people who eat a lot — they become inflamed.

The next step is to increase the percentage of genetically engineered cells, either by increasing the amount of cells in the infusion, by giving more than one infusion, or by administering chemotherapy to lower the number of untreated CD4 cells in the body before infusion begins.

«Previously, we thought that all of the cells in the corneal endothelium were unable to divide, but we were surprised to find this small population of dormant stem cells capable of proliferating,» said principal investigator Ula Jurkunas, M.D., a corneal and refractive surgeon at Massachusetts Eye and Ear and Associate Professor of Ophthalmology at Harvard Medical School.

«But the role of these cells in sports medicine is essentially all hype.»

According to Herlyn, these slow - growing JARID1B cells represent only one to five percent of the cells in a tumor, yet readily divide into the fast - growing cells that are the hallmark of advanced melanoma.

Researchers used data from different people's genotypes and metabolism to build personalized models that simulate how a drug will affect a particular set of cells in the body.

The expression of another HOX gene, which helps specify what tissue sprouts a forelimb, was altered in the outer layer of cells in the python embryo.

That finding indicates that very low numbers of the cells in the body could be enough to protect human patients from maladies ranging from infections to cancer.

But hair growth depends on the ability of cells in the hair follicles to keep dividing and so producing cells which die and are built into the hair shaft.

The effort, as yet confined to animal studies, is only about a decade old but has become one of the hottest areas of neuroscience research because it promises a more precise understanding of the hugely complex network of cells in the brain.

«The percentage of cells in humans and in mice that we were able to edit was higher than has been previously reported in gene editing technology,» said Egan.

A good idea can be like that — it stirs everything up — whether it is being shared throughout a network of cells in one person's brain or in the world at large, through a community of people.

They have developed a new computational method that can rapidly track the three - dimensional movements of cells in such data - rich images.

She explained: «The number of cells in our body are balanced by the level at which cells replicate and replace the ones that die.

Neurocutaneous disorders are caused by abnormal development of cells in the embryonic stage, leading to tumors in various parts of the body, including the skin, organs, bones, brain and spinal cord.

Understanding how networks of cells in circuits work together to give rise to behaviors, thoughts, and emotions requires new technology, he said, and optogenetics is starting to provide new approaches for mapping and repairing the brain.

Furthermore, the normal ductal cells that are able to develop into pancreatic cancer represent about 10 percent of the cells in the pancreas, complicating efforts to pinpoint the changes that occur as the tumor develops.

Early in his career, he suspected that a group of cells in the plant roots could be important.

The pair discovered a swath of cells in frog embryos that controls early cell differentiation.

The activities of cells in multicellular animals are co-ordinated by chemical messengers and nerve cells.

«This year's Nobel Laureates have been studying this fundamental problem and solved the mystery of how an inner clock in most of our cells in our bodies can anticipate daily fluctuations between night and day to optimize our behavior and physiology... since the paradigm shifting discoveries by Hall, Rosbash and Young, circadian biology has developed into a highly dynamic research field with vast implications for our health and well - being.»

Even though p - tau showed the strongest correlation with cognitive decline, and amyloid - beta only a slight correlation, that doesn't mean that p - tau is committing the crime inside cells all by itself while amyloid loiters in spaces outside of cells in large gangs, creating a distraction.

When we think of how we fight disease, the image of cells in our immune system fending off microbial invaders often comes to mind.

The membranes of the cells in our bodies are only approximately 4 to 5 nanometers thick and consist of a complex mixture of lipids and specific membrane proteins, which also include channel proteins.

Seeking to take advantage of these traits, scientists can reprogram viruses to function as vectors, capable of carrying their genetic cargo of choice into the nuclei of cells in the body.

After collecting biopsies from banked human donor eyes, the team expanded the numbers of cells in a culture plate using human serum to nourish them.

Special algorithms then enabled the researchers to establish both the gene expression in each cell and the location of these cells in the liver lobule.

We have more confidence that we can move toward clinical use of these cells in humans with less concern than we've previously had.»

Only 10 percent of the cells in the brain are neurons, he says.

«What David's group can do is grow populations of cells in a very miniaturized state in ways that they can reach out and talk to each other through tiny channels, but yet they stay distinct,» den Boon says.

This summer, a slew of new studies reported results on efforts to shift the balance of cells in the immune system in hopes of keeping disease at bay.

The SC3 tool contains added features that help interpret the biological function of the cells in that group, such as lists of marker genes for each group.

Nerve signals control the communication between the billions of cells in an organism and enable them to work together in neural networks.

«It's estimated that only one in tens or hundreds of millions of cells in a mole eventually become a melanoma,» says Kaufman, who is also an instructor at Dana - Farber Cancer Institute.

For example, researchers could use the sound waves to measure elastic properties of cells in a petri dish, seeing how they respond to forces.

Florescent cells in the prelimbic prefrontal cortex brain regions, with inset of cells in olfactory brain regions that project to the prelimbic prefrontal area.

Even though the reproductive age for humans is around 15 — 45 years old, the precursor cells that go on to produce human eggs or sperm are formed much earlier, when the fertilized egg grows into a tiny ball of cells in the mother's womb.

«We have millions and millions of cells in the brain.

Programmed cell death, or apoptosis, is a natural process that kills billions of cells in a typical human body each day.

However, two types of cells in the olfactory epithelium (specialized tissue responsible for sense of smell), are mixed together and form a mosaic pattern despite expressing different types of cadherins.