Now David He at Creighton University in Omaha, Nebraska, and colleagues have shown that the same gene can repair guinea pigs» existing,
damaged hair cells — as long as you get to them in time.
That's the path pursued by GenVec, which wants to be the Rogaine of the ears, using gene therapy to regrow
damaged hair cells.
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.
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.
It's a fragile system; loud noises can
damage the hair cells and age can deplete them, resulting in hearing loss.
Noise exposure can
damage these hair cells, and they don't grow back.
Not exact matches
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.
The beta - carotene in pumpkin can help reverse UV
damage and improve skin texture, and the abundant minerals in the orange fruit, including potassium, copper, manganese, zinc, iron and magnesium all play a role in the health and wellbeing of skin and
hair, from collagen maintenance and
cell membrane protection to healthy
hair regrowth and skin
cell regrowth.
Once the
hair cells are
damaged, they don't grow back.
But while chemotherapy and radiation are associated with temporary changes, such as
hair loss and tissue swelling, the treatments can have an unseen, permanent effect: infertility due to irreparably
damaged sperm or egg
cells.
Researchers deliver small interfering RNAs loaded into nanoparticles into the ears of adult guinea pigs to regenerate
hair cells damaged by noise.
Because
hair cells are also critical for the sense of balance, mice with
damaged or missing
hair cells show balance abnormalities.
Since patients (and mice) with Usher 1c also have balance problems caused by
hair -
cell damage in the vestibular organs, the researchers also tested whether gene therapy restored balance.
Inner - ear
hair cells, seen here via scanning electron micrograph, become swollen and
damaged due to age - related degeneration.
Unlike mammals, birds can quickly regenerate
hair cells in the inner ear if they become
damaged.
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.
Genotoxic stress — the kind that can
damage a
cell's DNA — causes
hair to whiten over time, according to a new study.
The results, published in tomorrow's issue of
Cell, might also lead to new measures for preventing gray
hair by modulating the DNA
damage response.
These biologically
damaging chemicals can kill the inner ear's
hair cells, the ones that sense sound.
Loud sounds put too much pressure on the cochlear
hair cells, which can
damage or kill them.
Implantable prostheses designed to deliver electrical stimuli directly to the auditory nerve hold considerable promise for people with a type of deafness in which the sensory
hair cells of the inner ear are
damaged
Hearing aids are mostly used in people who suffer from hearing loss because of
damage to
hair cells, the small sensory
cells in the inner ear.
In these studies, the
hair cell growth occurred without any initial
damage to the organ of Corti.
The number that developed varied, but in the base of cochlea, where the tissue received the most
damage,
hair cell numbers returned to about 40 % of the original.
When the
hair cells are
damaged, those associated spiral ganglion neurons often begin to degenerate from lack of use.
Implants can work in place of the
hair cells, but if the sensory neurons are
damaged, hearing is still limited.
In humans, deafness is most often caused by
damage to inner ear
hair cells — so named because they sport hairlike cilia that bend when they encounter vibrations from sound waves — or by
damage to the neurons that transmit that information to the brain.
Some childhood cancer survivors are also at risk because of
hair cells damage due to certain chemotherapy agents.
He hopes the cancer - targeting nanorobots will steer clear of other rapidly dividing
cells, such as those in the gut and at
hair follicles, which often suffer collateral
damage during chemotherapy.
Exposure to loud noises
damages the synapses connecting the nerves and the
hair cells in the cochlea, resulting in noise - induced hearing loss.
ER — Mitochondrial Calcium Flow Underlies Vulnerability of Mechanosensory
Hair Cells to
Damage.
Hearing is lost for good if too many
hair cells are
damaged due to aging; loud noise; illness; or certain drugs, including chemotherapy used to treat certain childhood cancers.
Both chemotherapy and radiation
damage healthy
cells, leading to common side effects such as
hair loss and nausea / vomiting.
√ SLATHER ON THE BENEFITS: Rich in antioxidants, vitamin A, E and C; retain and maintain moisture, promote healthy
hair growth and
cell regeneration, and protect from sun
damage - Simply cut into small chips or wafers, rub in your hands until soft, and apply to skin for benefits
It helps heal and repair the
damaged cells in the scalp which improves
hair follicle health and indirectly boosts healthy and faster
hair growth by stimulating dormant
hair follicle.
Keratin protects
cells from
damage, which helps
hair grow stronger, healthier, and even reduces frizz.
The compounds in cruciferous vegetables have also been proven to protect
cells from DNA
damage which reduces age related
hair loss.
Free radicals
damage hair and melanin producing
cells thus contributing to the premature greying of the
hair.
It is amazed to find that a kitchen full of fruits and vegetables are able to strengthen your
hair, improve *
hair cell and reduce *
hair damage and split ends.
Absorbing quickly into your dog's skin
cells, coconut oil will leave her
hair supple and shiny, and can guard against sun
damage.