Tag: "damaged" at medical news

Cancer revealed: New $10M grant establishes cancer imaging center

...in its role of detecting and leading the repair of damaged DNA. The p53 protein builds up in cells whose DNA has been damaged, so a test that looks for a buildup of p53 (through a buildup of luciferase) could help evaluate everything from the protective effect of new sunscreens to the mutation-causing potent...

Tissue engineers steering stem cells to produce bone, cartilage

... a fluid filled with stem cells and nutrients into damaged tissue, then use light to harden the liquid into a... cells to restore bone and cartilage that has been damaged by disease or injury or is impaired by a genetic defect. Restoration of cartilage the tough but ela...

Drug protects fertility, offspring in mice after radiation exposure

...or drug exposure suggests that organisms eliminate damaged oocytes to protect the genome of the offspring. "W... to ask ourselves, 'Are we now preserving the most damaged oocytes?' " To address the question of whether there were genetic abnormalities in the irradiated mo...

Kidney disease in diabetics relates to insulins effectiveness, say Pittsburgh researchers

...ease, in which the kidneys' tiny blood vessels are damaged and unable to filter wastes and excess water from the blood. Untreated, nephropathy leads to end stage renal disease (ESRD), in which the kidneys' entire filtration system closes down and the kidneys fail to function. A patient with ESRD requires dia...

Jefferson scientist links gene to alcoholic's vulnerability to heart failure

...drink much less, yet they can have hearts that are damaged and perform worse. Dr. Rubin and his colleagues wondered if genetics contributed to this difference. They studied 30 Spanish men who were alcoholics and came into a hospital emergency room or clinic in Barcelona with congestive heart failure. The re...

Rutgers researcher finds brain connections may reorganize in Parkinson's disease

...ical clues that may explain why parts of the brain damaged by Parkinson's disease, specifically those that control sensory-guided movements, aren't repaired by dopamine replacement therapy. Parkinson's is the second most common neurodegenerative disease affecting older people in the United States and is cha...

Gene therapy promising for preventing restenosis

... extra cellular superoxide dismutase (EC-SOD) into damaged blood vessels, they could control free radical damage and thereby short-circuit the process that leads to restenosis. In the study they tested this hypothesis by using a deactivated virus to deliver EC-SOD to cells in the arterial walls of animals. ...

Right side of brain learns language skills after stroke

...ients revealed several differences. Language areas damaged by the stroke were not active during the language ... areas on the right side of the brain opposite the damaged areas on the left did become active during the task, and that activity decreased with practice. Visu...

Type A and cant handle it?

...lacking Kir6.2 overloaded with calcium -- and this damaged cell structure. Administering calcium-channel blockers, a common heart medication, to those Kir6.2-deficient mice prevented the fatal arrhythmias in five out of six. Thus, the Mayo Clinic study shows that Kir6.2 is crucial to survival under the sudde...

Cardiac MRI provides new 3-D images of beating heart

... contracting, as well as precisely reveal areas of damaged tissue. The non-invasive, radiation-free technique...heart function. For Kim, being able to distinguish damaged from dead heart tissue is one of the main early benefits of MRI technology. "With other techniques, ...

Tiny nerves from the ribs may restore leg movement in spinal cord injury

...lls can be inserted and stimulated to grow through damaged areas of the spinal cord, perhaps leading to bette...eneration is considered very difficult because the damaged area apparently inhibits growth of new nerve-cell connections. This study gets us closer to arrivin...

Shocking the heart after prolonged cardiac arrest may be harmful, say Pitt researchers

...uscitate because the injured heart is only further damaged by shocking it. This evidence suggests we should try other treatment options before defibrillation," stated James Menegazzi, Ph.D., research professor of emergency medicine at the University of Pittsburgh School of Medicine and lead author of the stu...

New avenue of HIV damage found

...ymph nodes called the T cell zone is significantly damaged by chronic inflammation, which causes fibrosis. This is important because the T cell zone is where a significant portion of the human immune response occurs. The finding of accumulation of scar tissue in this portion of the lymph node may explain why...

MRI can predict risk of heart attacks

...f the blood a normal heart ejects; Someone whose damaged heart wall moves better at rest than when stressed also has an elevated risk; and The location in the heart of reduced blood flow or muscle damage apparently influences risk. Reduced blood flow in the apex of the left ventricle indicates a higher ...

Carcinogen in cigarettes causes mutation linked to lung cancer

... on special enzymes that cut DNA where it has been damaged by the binding of a carcinogen, which is technically called a DNA adduct. Adducts cause mutations in codons. Dr. Tang says that the study's findings provide further proof that smoking does cause lung cancer because the carcinogen bound most stro...

Memory training may help some Alzheimer's patients in the early stages of the disease

...al with language and problem-solving, and are less damaged early in AD than areas known to be the most involv...brain areas can take over some of the functions of damaged areas, then this opens up new directions for rehabilitation." The authors add that because not all...

Analysis finds drug improves odds of complete stroke recovery

...in reaction, while also facilitating the repair of damaged brain cells. Each year, about 600,000 Americans have a new or recurrent stroke, according to the American Heart Association. Ischemic strokes are the most common. Almost all patients who suffer a stroke potentially could be treated with oral citic...

Brain study of back pain sufferers yields intriguing results

... may be due to pulled muscles, strained ligaments, damaged joints or small tears in the disks that act as cushions between the bones of the spine -- all causes that don't show up well on X-rays but often can be seen on CT or conventional MRI scans. These physical causes often disappear after a few weeks, but...

Seeing into the Alzheimers brain

...nd from PET scans what parts of the brain are most damaged in different disorders, and how these changes rela...ve areas of the brain need the most sugar -- while damaged and less active areas need much less. By detecting the weak radiation signal from the sugar molecule...

Simple, easy acts in pregnancy and childbirth might protect against incontinence

... the bladder. The pelvic floor can be stretched or damaged in childbirth, giving women less muscle control to hold back urine. Treatment for incontinence can range from Kegel exercises for the pelvic muscles to surgery, but Sampselle hopes prevention will prove easy and successful enough that treatment isn't...

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