Recent studies suggest that the total loss in brain volume due to atrophy — a wasting away of tissue caused
by cell degeneration — between our teen years and old age is 15 percent or more, which means that by the time we're in our seventies, our brains have shrunk to the size they were when we were between 2 and 3 years old.
Not exact matches
PRA is caused
by the
degeneration of the photoreceptor
cells, rods and cones, which are needed for dark and day light vision, respectively.
«
By putting in healthy
cells, we can basically stop and prevent the
degeneration of the photoreceptors,» says Sally Temple, the co-founder and scientific director of the Neural Stem
Cell Institute in Rensselaer, N.Y.
«Retinal implant designed to replace support
cells damaged
by dry age - related macular
degeneration.»
Experiments conducted in mice and in human ALS
cells reveal that when RIPK1 is out of control, it can spark axonal damage
by setting off a chemical chain reaction that culminates in stripping the protective myelin off of axons and triggering axonal
degeneration — the hallmark of ALS.
By activating the Ret receptor, the scientists were able to prevent in flies and human cell cultures the degeneration of mitochondria, which is caused by a gene defect related to Parkinson's diseas
By activating the Ret receptor, the scientists were able to prevent in flies and human
cell cultures the
degeneration of mitochondria, which is caused
by a gene defect related to Parkinson's diseas
by a gene defect related to Parkinson's disease.
«The growth factor released
by these genetically engineered
cells will bath the other
cells in the growth factor, slow down the
degeneration and thereby improve, or slow the decline in Alzheimer's disease,» Tuszynski explains.
«Our study sounds a serious warning about the possible detrimental side effects of this strategy, since we have shown that such antibodies cause dramatic
degeneration of nerve
cells by interfering with the normal on - off function of the prion protein,» he added.
One theory has been that calorie restriction slows age - related
degeneration and enables more efficient tissue function
by influencing the integrity and activity of adult stem
cells, the precursor
cells that dwell within specific tissues and give rise to the diversity of
cell types that compose that tissue.
Many diseases that lead to blindness, such as glaucoma and macular
degeneration, are caused
by the death of certain
cells in the human retina that lack the ability to regenerate.
It has been designed for treating the «dry» form of macular
degeneration, caused
by deposits on the retina gradually killing retinal pigment epithelial
cells, which support light - capturing
cells.
In a second trial starting around the same time, a different team in Zhengzhou will use ES
cells to target vision loss caused
by age - related macular
degeneration.
But some signal provided
by muscular injury or
degeneration prompts satellite
cells to start dividing and then to integrate themselves into damaged fibers, repairing the muscle tissue.
Commonly known as Lou Gehrig's disease (after the famed New York Yankee slugger who succumbed to it in 1941 at age 37), ALS is a poorly understood, incurable disorder characterized
by the
degeneration of motor neurons (nerve
cells that control voluntary motion).
As reported in the new study, the researchers were able to postpone the onset of hearing loss and associated hair
cell degeneration by about a month, providing enough time to inject normal copies of the Clarin - 1 gene into the ear before the onset of hearing loss to see if the treatment was effective.
The new study
by researchers at The Neuro shifts the focus to the loss or
degeneration of axons, the nerve -
cell «branches» that receive and distribute neurochemical signals among neurons.
Johns Hopkins University biologists have found that a protein that plays a key role in the lives of stem
cells can bolster the growth of damaged muscle tissue, a step that could potentially contribute to treatments for muscle
degeneration caused
by old age and diseases such as muscular dystrophy.
Featured on the cover of Developmental
Cell, a paper by OIST researchers revealed the mechanistic link between photoreceptor cell degeneration and defects in protein transp
Cell, a paper
by OIST researchers revealed the mechanistic link between photoreceptor
cell degeneration and defects in protein transp
cell degeneration and defects in protein transport.
«Many retinal diseases are manifested
by the
degeneration of photoreceptor
cells.»
Her research showed that
degeneration is caused
by perturbations in the epidermis due to an increase in matrix - metalloproteinase 13 (MMP - 13), an enzyme that degrades the collagen, or «glue,» between the
cells.
It is characterized
by the wasting of skeletal muscles and caused
by progressive
degeneration of nerve
cells in the spinal cord; the disease leads to increasing muscular weakness, atrophy and premature death due to respiratory problems.
This research points to exciting new possibilities for preventing or reversing the disabling vision loss caused
by age - related macular
degeneration, diabetic retinopathy, retinitis pigmentosa, glaucoma, and other diseases that damage the retina, the layer of light - sensitive nerve
cells that line the back of the eye.
A team led
by Steven Schwartz at UCLA administered about 50,000
cells Tuesday into one eye of a volunteer suffering from Stargardt Macular Dystrophy, a progressive form of blindness that usually begins in childhood, and another with Dry Age - Related Macular
Degeneration, the leading cause of blindness in the developed world, Advanced
Cell Technology, which is sponsoring the study, announced Thursday.
The elderly woman, who had macular
degeneration, thought she was paying to participate in a clinical trial that would save her sight
by injecting stem
cells into both eyes.
«
By comparing these diseased neurons with the «genetically corrected» healthy neurons, we could see — cell by cell — how the Tau mutation leads to the abnormal build up of Tau and, over time, neuronal degeneration and death.&raqu
By comparing these diseased neurons with the «genetically corrected» healthy neurons, we could see —
cell by cell — how the Tau mutation leads to the abnormal build up of Tau and, over time, neuronal degeneration and death.&raqu
by cell — how the Tau mutation leads to the abnormal build up of Tau and, over time, neuronal
degeneration and death.»
These findings suggest that RPE
cells, derived from iPS
cells, could be used to treat blindness in humans, such as blindness caused
by age - related macular
degeneration, a leading cause of blindness in the Western world.
SMA is a genetic, neuromuscular disease caused
by progressive
degeneration of nerve
cells in the spinal cord that leads to muscular weakness and atrophy and increased risk for early death due to respiratory failure.
They were financed
by Advanced
Cell Technology, a biotech company with laboratories in Marlborough, Massachusetts, that recently won approval from the U.S. Food and Drug Administration to test the treatment in 24 patients suffering from either dry advanced macular
degeneration, or a juvenile form of the disease known as Stargardt's.
Spinal muscular atrophy involves wasting of the skeletal muscles and is caused
by gradual
degeneration of nerve
cells in the spinal cord.
Leber Hereditary Optic Neuropathy (LHON) is a rare maternally inherited mitochondrial genetic disease, characterized
by the
degeneration of retinal ganglion
cells that results in brutal and irreversible vision loss that can lead to legal blindness, and mainly affects adolescents and young adults.
Caused
by progressive
degeneration of nerve
cells in the spinal cord, the disease leads to increasing muscular weakness and atrophy.
And the ability to regenerate new, unspecialized
cells could revolutionize treatment for conditions caused
by cellular
degeneration.
Corticobasal
degeneration is a progressive neurological disorder characterized
by nerve
cell loss and atrophy (shrinkage) of various regions of the brain, including the cerebral cortex and the basal ganglia (which helps to start and control movements, as well as other functions).
Fueled
by a recent resurgence in public financing and compelling clinical data for indications as diverse as acute macular
degeneration and pancreatic cancer, a growing number of
cell therapies are driving toward pivotal clinical studies and commercialization.
Feel Young and Beautiful Again Mango Butter is known for its anti-aging and skin protecting qualities
by reducing
degeneration of skin
cells and restoring elasticity.
«While this is happening [
degeneration of the thymus gland], the B
cells, which normally are under the control of the thymus
cells, are not killed
by estrogen, and actually seem to be stimulated
by estrogen to produce certain types of antibodies, but they are more likely to produce autoimmune antibodies.»
Because Age Related Macular
Degeneration comes from the breaking down of retinal
cells, the vitamins and nutrients which have been found to protect eyes from AMD are aiding the body
by keeping the eyes healthy and improving eyesight.
Alzheimer's is not caused
by damaged blood vessels, but
by degeneration of brain
cells's proteins.
Antioxidants neutralize that damage
by offering up one of their own electrons, thereby helping to prevent
cell and tissue breakdown that can result in further damage and disease — everything from wrinkles and hyperpigmentation to chronic conditions including cancer, cardiovascular disease, Alzheimer's, Parkinson's, and eye diseases such as cataracts and age - related macular
degeneration.
By doing this, vitamin E slows mental and physical
degeneration of
cells that causes aging.
In the study, tests on human
cells demonstrated that catuaba may help fight Parkinson's disease
by protecting against the
degeneration of certain nerve
cells.
Aging, tissue
degeneration, and skin changes may be brought about
by the damage that free radicals cause to
cells unprotected
by antioxidant nutrients in the body.
All forms of CRD are characterized
by the initial loss of cones, the
cells in the retina that are responsible for vision in bright light / daylight, followed
by the
degeneration of rods, the retinal
cells that operate during night vision.
The disease itself is painless but affected dogs should be regularly monitored
by an ophthalmologist to treat possible secondary effects of PRA (the most widespread form of PRA across dog breeds) IG - PRA1 first presents as a loss of vision in dim light conditions due to
degeneration of rod
cells in the retina.
ERG abnormalities are evident
by 5 — 6 weeks of age and
cell degeneration is present
by 4 months, suggesting the mutant protein has a toxic gain of function that severely compromises the early stage of development of the photoreceptors.
Liver failure due to cancer, toxins or cirrhosisa chronic disease of the liver marked
by degeneration of
cells, inflammation, and fibrous thickening of tissue.
Rod Cone Dysplasia Type 1b (rcd1b), previously named CRD1, is an early - onset form of retinal
degeneration that is characterized
by the loss of rods and cones, the
cells in the retina that are responsible for vision.
A different form of congenital hereditary deafness is seen in the Doberman, which is also accompanied
by vestibular (balance) disturbance; this deafness results from a different mechanism where hair
cell death is not the result of
degeneration of the stria but is instead the primary pathology.
Diabetes is caused
by degeneration of insulin - producing
cells in the pancreas (in the Islets of Langerhaans to be precise).
A progressive
degeneration is caused
by fibrosis, or thickening, of the muscle
cells which lead to loss of muscle function.