Sentences with phrase «nerve cells at»

33) Progressive Retinal Atrophy — this disease of the eye is when the nerve cells at the back of the eyeball slowly degenerate (or fail), which can lead to blindness.

While HSV — 1 remains latent in nerve cells situated at the base of the neck, HSV — 2 remains dormant in the nerve cells at the base of the spine.

Genital herpes resides in the nerve cells at the base of the spinal column.

To do this, they used specially bred flies with genes that could be turned off in groups of nerve cells at high temperature.

One type of stem cell can produce multiple types of nerve cells at different stages of the brain's development.

We can look at many nerve cells at the same time while simultaneously charting behavior.»

Using the standard timing protocol, the two enzymes do not reach peak activation inside a nerve cell at the same time, a hint that the usual way of doing things might not be the best way.

Does it look like this medicine would actually protect or nourish the nerve cell at the time or parallel to when the damage is accumulating?

Not exact matches

The companies» R&D will focus on on a gene mutation present in a wide swath of patients with ALS, a degenerative nervous system disease that eats away at nerve cells and weakens muscles.

The difficulties associated with obtaining nerve tissue at the correct stage of development and differentiation from aborted embryos means that foetal tissue transplantation is no longer in favour, but the creation of human embryos specifically as sources of stem cells, and the push to use «spare» embryos from IVF treatments is gatheringmomentum.

Thus, at the lowest level, electrons tend to unite and converge in the atom; atoms converge by molecularization, crystallization; molecules unite by polymerization; cells unite by conjugation, reproduction, association; nerve ganglions concentrate and localize to form a brain by what might be called a process of cephalization; the higher animal groups form colonies, hives, herds, societies, etc.; man socializes and forms civilizations as foci of attraction and organization.

In a similar vein Mr. Percival Lowell writes: «When we have, as we say, an idea, what happens inside of us is probably something like this: the neural current of molecular change passes up the nerves, and through the ganglia reaches at last the cortical cells....

So at day 14, the number of nerve and brain cells in the human embryo is zero, and it has less complexity than the simplest microscopic worm and less feeling or intelligence than a parasite in dirty drinking water.

Incredible Brain Development At birth a baby's brain contains 100 billion nerve cells (or neurons), all she will ever have, but not the programming of those cells.

Although these spots themselves are harmless, if some of the spots are bigger than a 50 cent coin, then it could be due to Neurofibromatosis (NF), which is a genetic disorder of the nervous system that causes abnormal cell growth of nerve tissues or benign tumours to form on the nerves anywhere in the body at any time.

Researchers are looking at delays or abnormalities in brain development of nerve cells that are responsible for heart and lung function.

Now, Nicole Kallweit and her colleagues at Laser Zentrum Hannover in Germany have found evidence for the latter: their system did not work in guinea pigs which had intact auditory nerves but were missing their hair cells.

«The discovery of this special class of cells that sit right at the nerve endings where HSV - 2 is released into skin is changing how we think about HSV - 2 and possible vaccines,» said Corey.

The best explanation so far, says Henrietta van Praag, a neurobiologist at the National Institute on Aging, is that exercising the heart somehow stimulates growth factors to produce new nerve cells in the brain.

The main cog in the human biological clock is the suprachiasmatic nucleus (SCN), a group of nerve cells in a region at the base of the brain called the hypothalamus.

At the same time, the activity of hundreds of nerve cells was measured with so - called microelectrode arrays.

Results from the new study suggest immunostimulant molecules that target neutrophils at nerve injury sites might enhance clean - up and promote nerve cell repair.

BRAIN CANDY A new database offers a deep look at living human nerve cells, revealing elaborate branching structures and myriad shapes, such as in this neuron called a pyramidal cell (cell image, left and 3 - D computer reconstruction, right).

Samuel Weiss, director of the Hotchkiss Brain Institute at the University of Calgary, and his colleagues reported that nerve cells sprouted in the olfactory bulb, the seat of the sense of smell, and in the hippocampus, the brain's memory bank.

In fact, the peptide prevented VCP from relocating to mitochondria at all, and prevented nerve cell death.

Scores of laboratories at universities and in private industry are uncovering how to use these cells, which transform into neurons, astrocytes (the cells that regulate transmission of electrical impulses in the brain) and oligodendrocytes (which insulate nerve fibers with a fatty coating).

With neural prosthetic technology — microchips that can «listen» to many neurons at the same time — researchers are able to find correlations between the activity of many nerve cells.

But there are also certain things that if an investigator like [s] to do, and I came from cellular neurobiology having learnt from Grundfest and from Wade Marshall and from my period at the NIH how to study nerve cells in the brain; and I was until that point studying complex organisms — a cat; Aplysia fitted me to a tee.

But their prominence at sites where nerve cells are damaged by the disease means they deserve careful scrutiny in the desperate search for ways to arrest the most salient cause of dementia.

He showed that short - term memory involves increased levels of neurotransmitters at the synapses, the communication sites between nerve cells and long - term memory requires changes in the levels of proteins in the synapse.

In the current study, Frank Longo, MD, PhD, and others at Stanford University, tested LM22A - 4, a drug that specifically binds to and activates the BDNF receptor TrkB on nerve cells, in mice that model the disorder.

A newly characterized group of pharmacological compounds block both the inflammation and nerve cell damage seen in mouse models of multiple sclerosis, according to a study conducted at the Icahn School of Medicine at Mount Sinai and published online this week in the journal Nature Neuroscience.

In research that has implications for diabetes and other metabolic diseases, an international study based at UT Southwestern Medical Center found that the protein connexin 43 (Cx43) forms cell - to - cell communication channels on the surface of emerging beige fat cells that amplify the signals from those few nerve fibers.

«The compounds identified in this study, when administered orally, both reduced the inflammation that is a hallmark of multiple sclerosis and protected against the nerve cell damage seen in mouse models of the disease,» said Jeffery Haines, PhD, a post-doctoral fellow at Mount Sinai and the study's lead author.

When Laura Dugan, a neurologist at Washington University in St. Louis, heard that buckyballs absorb free radicals, she designed experiments to test whether or not buckyballs could slow down nerve cell death.

The electrodes detected waves of synchronized nerve impulses sweeping through the retinal tissue, in patches of up to 100 cells at a time.

In contrast, the new method used on mice causes certain nerve cells to fire at a specific rhythm, generating brain waves that researchers believe may clear A-beta.

The study — which looked at the action of Substance P within nerve cells in the lab and in animal models — focused on acute pain, but Professor Gamper aims to look at its role within chronic pain as well.

A team at Emory University is embedding electrodes in glass cones filled with nerve - growth factors that encourage brain cells to sprout more dendrites and axons.

Researchers at Georgetown University Medical Center recently discovered that these drugs also interact with specific proteins on the surfaces of nerve cells — which could also lead to increased pain when patients wake up.

Cajal also figured out that nerve cells are polar, meaning that signals enter the cell through the shrubbery of the dendrites at one end and leave through the other end at the whiplike axon.

Researchers at the University of Utah have unraveled how two proteinsUNC - 13 and syntaxinwork together to enable nerve cells to communicate.

But at some point, tau goes astray, too, and the nerves lose their structural support, causing the cells to collapse and die.

At the same time, the techniques of genetics and molecular biology began to reveal the intricate biochemical signals that synapses — the portals of nerve cells — deploy during communication.

The brain harbors about 86 billion neurons, or nerve cells, that have to be born at the right time, migrate to the right place, and wire up in the right way if we are to survive and thrive.

BREAKING DOWN MULTIPLE SCLEROSIS Taking narrow aim at the immune system isn't enough, so researchers are looking for new treatment targets within nerve cells and even in the gut.

But most of those signals aren't coming from the nerve cells, researchers reported November 15 at the Society for Neuroscience meeting.

At this point, there is no effective treatment for TON and the mechanisms of the optic nerve cell death have been largely unclear.

«Our work could lead not only to a better understanding of the biology of the optic nerve, but also to a cell - based human model that could be used to discover drugs that stop or treat blinding conditions,» says study leader Donald Zack, M.D., Ph.D., the Guerrieri Family Professor of Ophthalmology at the Johns Hopkins University School of Medicine.

In the current study, Yu - Shang Lee, PhD, of the Cleveland Clinic, together with Jerry Silver, PhD, of Case Western Reserve Medical School, and others, used a chemical that promotes cell growth along with a scar - busting enzyme to create a more hospitable environment for the nerve graft at the injury site.