Sentences with phrase «ear cells in»

A cure for hearing loss could be closer, now that a team of scientists has produced key ear cells in mice — and for the first time verified that the cells work just like natural ones.

Not exact matches

Still, researchers now have a far better understanding of the molecular pathways in the ear and how to regenerate hair cells and repair synaptic connections.
His research shows that in cases of hearing loss, the ear's nerve fibers become damaged before the hair cells do, and when those synaptic fibers reconnect to the hair cells, it's possible to regain hearing.
It is time we start believing in each other and in the physical time we have on this planet and stop blowing ourselves up, shooting at others, and preaching ridiculous social maladies (i.e., pro-life (really anti-life), anti-stem cell, anti-gay, anti-evolution, anti-big bang, anti-truth) that is imposing a theocratic political and social environment on the rest of us who hold reality near and ear to our hearts.
Street graffiti artists have been at work on much of the wall space, and Budapest citizens» clad these days more often than not in jeans and leisure garb» stroll along, cell phones clutched to their ears.
Usually it's fatherly advice stuff like «the 10 habits of financially secure people» or a list of the safest cities in America... sometimes it's cautionary stuff like how my cell phone might explode in my ear type of thing — he usually circles the title of those to make sure I get the point — but lately he's gotten into sending me recipes, and I love it.
A particularly effective treatment against many cancers, platinum - based chemotherapy, has the unfortunate side effect of damaging the hair cells in the ear that are responsible for sensing sound waves, Goldrich said.
Those cells affect skin color, ear cartilage, facial bone formation, and the adrenal glands, which produce stress hormones and testosterone — all of which differ in domesticated and undomesticated animals.
CIB2, which is short for calcium and integrin - binding protein 2, is essential for the structure of stereocilia, the structures at the top of the sensory hair cells in the inner ear.
Genetic variations most strongly associated with high scores were found near the GATA2 gene — involved in the development of inner ear hair cells and the inferior colliculus.
We perceive sound after vibrations in the inner ear are detected by «hair cells» and transmitted to the brain as electrical signals.
Specialized sensory neurons in the inner ear, called hair cells, are responsible for the detection of sounds, and this information is transmitted to the auditory cortex via several intermediate structures.
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.
TWO types of human ear cell have been grown in the lab from fetal stem cells.
Previous approaches were only marginally effective as they reached one set of hair cells in the inner ear, but another subset — equally critical for hearing — remained largely impenetrable.
Instead, we gave it a vehicle to travel in, making it better capable of navigating the terrain inside the inner ear and accessing previously resistant cells,» said Maguire, who is also co-senior author on the study.
Using this mixture, the researchers were able to print living cells in a specific architecture, such as an ear shape, that maintained its form even after printing.
Further in the future, similar cells might be delivered to damaged ears to restore hearing.
The pairing of the two delivered the breakthrough solution, the researchers said, as neurons responded to the molecule, regenerating synapses in mouse ear tissue that led to repair of the hair cells and neurons, which are essential to hearing.
Specifically, it targets the cochlea, a snail - like structure in the inner ear where sensitive cells convey sound to the brain.
«We have shown that Anc80 works remarkably well in terms of infecting cells of interest in the inner ear,» says Stankovic, an otologic surgeon at Mass..
«Supporting cells» in the inner ear have more to offer than their uninspiring name suggests.
And then in the opposite ear, I developed Meniere's disease, which is a problem with controlling fluid inside the cochlea, progressively damaging the hair cells there.
Recently, researchers at Cornell University in New York printed an artificial ear and seeded it with cells from cows.
Even though experts know the condition is primarily due to the loss of hair cells in the inner ear (among other factors), they remain no closer to figuring out how to prevent it.
One recent hypothesis is that changes in how neural crest cells work could lead to common characteristics shared by domestic animals, such as floppy ears, juvenile faces and spotted coats (SN: 8/23/14, p. 7).
The study, which will be published March 7 in the Journal of Experimental Medicine, suggests that CDK2 inhibitors prevent the death of inner ear cells, which has the potential to save the hearing of millions of people around the world.
It wasn't until 2014, however, that researchers offered a single explanation for the phenomenon of floppy ears, smaller teeth, tameness and other «domestication syndrome» traits: a mild deficit in neural crest cells.
Another approach to regrowing the hair cells is to use embryonic stem cells, with research in this area led by Stefan Heller and colleagues at the Massachusetts Eye and Ear Infirmary in Boston, US.
«Because 85 percent of people in the study reported extending the antenna during calls, we might have expected to find a disproportionate cluster of tumors behind the eye and the ear on the side the cell phone was used since radiation emission is highest at the antenna,» says co-author Mark Malkin, a neuro - oncologist at Memorial Sloan - Kettering Cancer Center.
Heller's team produced the inner - ear hair cells by exposing embryonic cells in the lab to chemical factors which steer the natural development of hair cells.
The therapy promotes the regrowth of crucial hair cells in the cochlea, the part of the inner ear which registers sound.
The cells of Hensen and canal of Hensen, both in the inner ear, were named in his honor.
In mice whose ears were blocked, cells in the auditory nerve started to use their supplies of neurotransmitter more freelIn mice whose ears were blocked, cells in the auditory nerve started to use their supplies of neurotransmitter more freelin the auditory nerve started to use their supplies of neurotransmitter more freely.
Researchers from the Eaton - Peabody Laboratories of the Massachusetts Eye and Ear and Harvard Medical School have created a new mouse model in which by expressing a gene in the inner ear hair cells — the sensory cells that detect sound and sense balance — protects the mice from age - related hearing loss (ARHL) and noise - induced hearing loss (NIHL), the two most common forms of deafneEar and Harvard Medical School have created a new mouse model in which by expressing a gene in the inner ear hair cells — the sensory cells that detect sound and sense balance — protects the mice from age - related hearing loss (ARHL) and noise - induced hearing loss (NIHL), the two most common forms of deafneear hair cells — the sensory cells that detect sound and sense balance — protects the mice from age - related hearing loss (ARHL) and noise - induced hearing loss (NIHL), the two most common forms of deafness.
To deliver the healthy gene, the team inserted it into an engineered virus called adeno - associated virus 1, or AAV1, together with a promoter — a genetic sequence that turns the gene on only in certain sensory cells of the inner ear known as hair cells.
«When sensory hair cells in the ear die, they are not repopulated.
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.
Unlike mammals, birds can quickly regenerate hair cells in the inner ear if they become damaged.
Kelley and his team also used mice with fluorescent markers in different cells of the ear followed by next generation sequencing.
Even short - term blockages of this kind can lead to remarkable changes in the auditory system, altering the behavior and structure of nerve cells that relay information from the ear to the brain, according to a new University at Buffalo study.
A microscope image shows nerve cells that relay information from the ear to the brain in mice.
«We wanted to know what happens at the brainstem, in the cells coming from the ear,» says Matthew Xu - Friedman, PhD, the lead researcher and an associate professor of biological sciences in UB's College of Arts and Sciences.
They then used next generation sequencing — a state - of - the - art method to rapidly measure gene expression — to sequence and quantify the thousands of genes that are expressed in hair cells, in comparison with other cells in the ear.
Every hair cell in the cochlea is partnered with several neurons that convey information from the ear to the brain in an orderly way.
In order for birds and mammals to hear, hair cells in the cochlea — the auditory portion of the inner ear — vibrate in response to sounds and thereby convert sound into electrical activitIn order for birds and mammals to hear, hair cells in the cochlea — the auditory portion of the inner ear — vibrate in response to sounds and thereby convert sound into electrical activitin the cochlea — the auditory portion of the inner ear — vibrate in response to sounds and thereby convert sound into electrical activitin response to sounds and thereby convert sound into electrical activity.
Many other species, such as fish and birds, can regenerate the hair cells in their inner ear over time and create new auditory circuits, says Klickstein.
Based on previous studies, researchers have hypothesized that recreational noise exposure might damage the circuitry between sensory hair cells in the inner ear and their auditory nerve targets that deliver information to the brain.
Sounds thought to cause only temporary hearing loss have destroyed nerve cells in the ears of mice.
It stems from tiny hair cells in the inner ear that are surrounded by a layer of gel.
a b c d e f g h i j k l m n o p q r s t u v w x y z