Tag: "weeks" at biology news

Radiation therapy combo cures prostate cancer long-term

... therapy followed by permanent seed implants a few weeks later. Sixty-five percent of these patients had T2b-T3 disease and the entire group had an average pre-treatment PSA of 15 ng/ml. Seed implants, also called brachytherapy, are small radioactive pellets, each about the size of a grain of rice. The ...

Robotic therapy helps restore hand use after stroke

...t, these were highly significant gains after three weeks of therapy," Cramer said. The UCI team is now using what they learned from study participants to create a "son of HOWARD," with improved hand-robot connections and more software options to individualize therapy and keep patients interested. S...

Cancer-killing invention also harvests stem cells

... in any way, and in fact, it stays active for many weeks or months. The same TRAIL molecules can kill enormous numbers of cancer cells. A possible way to use the cancer-killing invention is to implant the device in the body before primary tumor surgery or chemotherapy. When doctors remove a primary t...

Researcher to study astronaut bone loss for space biology agency

...e skeleton be maintained." Astronauts who spend weeks or months in the weightless environment of space –?a state called skeletal unloading –?lose bone because, in the absence of gravity, they lose the ability to make enough new bone cells to replace old cells that die in the normal course of bone metabo...

Erectile dysfunction in diabetes is due to selective defect in the brain

...ls. The experiments began on each of the rats four weeks after the injections. Four experiments were conducted. Experiment one examined the effect of L-NMMA on NMDA mediated behavioral responses in normal rats; experiment two measured behavioral responses to NMDA or sodium nitroprusside (SNP), an NO do...

Cheaper, better disease treatments expected from faster approach to developing antibodies

...ng, and molecular genetics and microbiology shaves weeks off the production process. Based on the method's early success, Georgiou has begun a collaboration to identify antibodies to treat arthritis and asthma. In Georgiou's E-clonal antibody method, an antibody that is produced by an E. coli bacterium...

Sunshine pill for prostate cancer in 2009

...eek with their weekly regime of taxotere for three weeks out of every four. Business analysts say Asentar is a potential blockbuster, because prostate cancer rates are expected to soar in the next few years. But James is not so sure. 'A confounding factor is that if you go looking for more cases of canc...

Active ingredient in common Chinese herb shown to reduce hypertension

...tment with 50 ¦Ìg tanshinone IIA/100g body for two weeks reduced the mean arterial pressure from 161.2¡À6.9 to 130.0¡À7.8 mmHg. The research team also discovered that tanshinone IIA caused widening of the arterioles in the hamster cheek pouch microcirculation via enhanced expression of endothelial nitr...

Pregnancy hormone key to repairing nerve cell damage

...hat pregnant mice had twice as much new myelin two weeks following the damage as virgin mice and that introducing prolactin mimicked the effects of pregnancy on myelin production and repair in mice that weren't pregnant. "The results of this study should be well received by people living with MS toda...

Experience affects new neuron survival in adult brain; study sheds light on learning, memory

...rchers also compared the number of neurons at four weeks and four months after injections of the chemical marker. This comparison indicates that only young neurons are affected by the repeated experience; once new neurons survive the early period of development, their long-term survival and activity become...

Bacteria research offers hope for new vaccine against meningococci

...Africa 250,000 people were affected in a matter of weeks in the late 1990s. Without treatment, mortality among those who contract the disease is 85-90 percent, with treatment some 10-15 percent. Patients also run a high risk of serious disability after recovery. Only humans are susceptible to infection ...

Plastic that degrades in seawater could be boon for cruise industry and others

...s days gained or percent of births before 32 or 35 weeks of gestation."...

Improving outcomes in premature births

...s days gained or percent of births before 32 or 35 weeks of gestation."...

Chemicals in brown algae may protect against skin cancer

...V exposure. The mice received the BAPs for two weeks before UVB exposure began, followed by 24 weeks of increasing UVB exposure according to a standardized schedule. The researchers then counted th...

Vitamin D deficiency widespread during pregnancy

...mples of maternal blood were collected prior to 22 weeks pregnancy and again just before delivery, Samples of newborn umbilical cord blood also were tested for 25 hydroxyvitamin D, an indicator of vitamin D status. Finding such a proliferation of vitamin D insufficiency in spite of prenatal multivitamin us...

When smell cells fail they call in stem cell reserves

...oring, non-nerve cells in the nasal passage. Three weeks after chemical exposure, the researchers examined nasal cells to see which, if any, had grown back. They discovered that the newly grown cells, both nerve and non-nerve, grew from HBCs-a population of cells not previously known for repair abiliti...

Research project tackles 'regeneration' gap

... its limbs or part of its spinal column, yet a few weeks later you’ll see it scurrying across your lanai," said project leader Dennis A. Steindler, Ph.D., executive director of UF’s Evelyn F. and William L. McKnight Brain Institute. "The Regeneration Project will focus on unlocking the mysteries in living,...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...th resveratrol (HCR). At middle age, or roughly 52 weeks of life, the researchers put the mice on the different diets. Survival Benefit At 60 weeks of age, the survival rates of HC and HCR fed mice groups began to diverge and remained separated by ...

Monoclonal antibody reduces exacerbations in asthmatics

... either infliximab or placebo were administered at weeks zero, two and six. "Treatment with infliximab reduced the number of moderate exacerbations in patients with asthma, as monitored by morning and evening use of an electronic spirometer incorporating a clinical diary," said Dr. Hansel. "Although infli...

Computer with brain connections changing quality of life of paralyzed

...ing the period following diagnosis and a period of weeks after tracheotomy. "Most instruments measuring depression and quality of life are invalid for paralyzed people living in protected environments because most of the questions do not apply to the life of a paralyzed person. Special instruments had ...

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