Tag: "surgically" at biology news

Cardiac arrest may hinder ability to learn certain tasks

...Mice were put into two groups one group underwent surgically induced heart attacks, while the other group, the control group, underwent the same surgical procedure minus the attack. Mice in the heart attack group spent about eight minutes in cardiac arrest enough time to stop the flow of oxygen to the brain. ...

U-M scientists find common virus in human prostate tissue

... from men with adenocarcinoma whose prostates were surgically removed to prevent the spread of cancer. Tissue samples were obtained from the Tissue Procurement Core at the U-M's Comprehensive Cancer Center. Samples contained benign, pre-cancerous and cancerous tissue. Using new TAg-specific protein ass...

Study: A little help from friends makes wounds heal faster

... In a third experiment, the researchers found that surgically removing the adrenal glands the main source of cortisol from some of the isolated hamsters was just as beneficial to wound healing as having a companion in the cage. Wounds on the stressed and non-stressed animals healed at the same rate, suggestin...

New diagnostic technology helps justify earlier cataract surgery

...o the most recent data. Modern cataract treatment surgically removes the damaged lens and replaces it with an artificial one. Because cataracts tend to grow gradually, one of the most important treatment issues is determining when they degrade vision to the point that the patient is at an increased...

Research gives hope to preemies and Crohn's patients

...tients who have had parts of their small intestine surgically removed, making it difficult for them to absorb nu...avenous feeding because their intestines have been surgically shortened, Tappenden said. "Being on an IV for all a person's nutritional needs really affects his ...

Muscle-derived cells and gene therapy may cure for post-prostatectomy erectile dysfunction

...ed to treat the early stages of prostate cancer by surgically removing the prostate gland and surrounding tissue. The procedure has a success rate of 70 to 85 percent. A high percentage of patients experience ED after the procedure due to injury to the peripheral nerves, including the cavernous nerve, located c...

UCSD finds genetic time bomb in heart that leads to heart failure in some patients

...ial septal defects, even after the malformation is surgically corrected. The researchers believe that their findings could, potentially, apply to other forms of congenital heart disease, as well. In a study published in the April 30 edition of the journal Cell, the investigators used mouse...

Creating polymers that act like biomolecules

...e injectable gels would be much less invasive than surgically implanting automatic insulin delivery systems and the gels would dissolve on their own after about a week. For potential gene therapies, the positively charged (cationic blocks) polymers can complex with DNA (negatively charged). The polymers c...

Breakthroughs in acoustic tracking shine new light on the lives of fish

... commute or an annual vacation." Now, using small, surgically attached tags and underwater listening stations, scientists can track where an individual fish spends it life, and can monitor the trends of an entire population. This new, real-time information is helping scientists answer critical management questi...

Patients give nod to kidney dialysis at home

...lifetime of dialysis. Peritoneal dialysis involves surgically and permanently placing a soft plastic tube or catheter into the lining of the belly. A sterile cleansing fluid is flushed through this catheter and allowed to dwell in the belly until wastes pass across the lining into the fluid. The fluid now fille...

Discovery of brain disorder gene paves way for genetic test

... them carefully for any symptoms." Lesions can be surgically removed from the brain in some patients, she added. For others, only the symptoms can be treated. The team will next seek out the last of the genes known to cause CCM, Marchuk said. The investigators have also begun exploring the biological basis of...

Scientists announce long-sought mouse model of human pancreatic cancer

... of months because they are too advanced to remove surgically by the time they cause symptoms. Moreover, the standard treatments of chemotherapy and radiation are largely ineffective, for reasons that may become clearer as researchers study the biology of the disease in mice. "This model shows great promise as ...

OHSU researchers reveal relationship between weight gain and female hormones

...monkeys. Nineteen of the monkeys had their ovaries surgically removed, a common procedure that results in a drop of estrogen and progesterone levels, much like menopause. While monkeys, like humans, go through menopause naturally during their lifetimes, surgical removal of the ovaries during an animal's healthy...

Scripps scientists link ozone to atherosclerosis

...ls were found in atherosclerotic plaques that were surgically removed from patients with atherosclerosis. The scientists suggest these newly identified products are critical to the pathogenesis of atherosclerosis because they are toxic to white blood cells, smooth muscle cells, and cells from the arterial wall...

Embryonic pathway critical to growth of digestive tract tumors

..., whose procedure for obtaining fresh samples from surgically removed tumors provided the opportunity to analyze cancers unaltered by years of laboratory growth. "Our studies prove this hypothesis to be true." The pathway's link to another batch of cancers support the idea that cancer may arise -- in part -- fr...

Hospitalization injuries prove costly to patients, health care system

...t serious event was the unintended re-opening of a surgically closed wound, which was associated with 9.42 extra days in the hospital, $40,323 in excess charges, and 9.63 percent attributable mortality. According to Miller, the study has several limitations related to the reliability of information. "The reliab...

Academic clinical research is under threat from the EU

...y in more than three-quarters of the patients with surgically unresectable, metastatic and advanced GISTs. A quite dramatic effect has been described in some of the patients. Further research is on-going to establish the best dose amounts for patients. "The speed with which this discovery moved from the bench...

Disease-causing genetic mutations in sperm increase with men's age

...and early fusion of the skull bones, which must be surgically corrected. The researchers found that mutation rates in sperm increased as men aged, but not enough to fully account for the increased incidence of Apert syndrome in children born to older fathers, leading to the suspicion that the disease-causing m...

Endostatin also effective on head and neck cancers

...tatin directly to the site of a tumor after it was surgically removed. "About half of all people with head and neck cancers die as a result of local disease recurrence," Mallery said, adding that such cancers account for about 7 percent of all cancers in the United States. "Another major concern is patient comp...

The Plasti-Bone

...cium phosphate coated polymer 'bone' which is then surgically implanted into the arm where the damaged bone has been removed. The calcium phosphate coating is very thin and allows the bone cells to attach themselves to the implant. Growth factors could be added to the calcium phosphate to encourage the bone gr...

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