Rectal in Biological News

Colorectal cancer

... Institute estimates that, alone in the United States, 106,100 cases of colon cancer will occur and 49,920 patients will die both from colon and rectal cancer in 2009. Beginning in glands in the bowel lining, colorectal cancer often remains undiscovered initially. "However, the main problem is ...

Molecular fingerprints point the way to earlier cancer diagnosis and more targeted treatment

... optimal treatment. The search began in men at risk: those with elevated prostate specific antigen, or PSA, levels. A PSA test along with a digital rectal exam is today's standard for prostate screening so physicians typically do both in men age 50 and older. But PSA levels are actually better at ...

Anti-tumor therapy with endoscopic ultrasound may fight cancer more safely and effectively

... and treat lesions and tumors that lie outside the intestinal wall. This technique is particularly useful in patients with pancreatic, esophageal and rectal cancer. "Curvilinear endosonography will likely become the dominant technology within the field of EUS," said co-chairman of EUS2008, Robert ...

UT pathologists believe they have pinpointed Achilles heel of HIV

... development for HIV immunotherapy by infusion into blood. They could also be used to guard against sexual HIV transmission as topical vaginal or rectal formulations. "HIV is an international priority because we have no defense against it," Paul said. "Left unchecked, it will likely evolve into ...

Avian influenza virus in mammals spreads beyond the site of infection to other organ systems

... by Dr. Thijs Kuiken, then examined mucous membranes (throat, nasal, and rectal swabs) and organ systems (respiratory, digestive, nervous, cardiovascular, ... labored breathing, etc.), and virus was detected in throat, nasal, and rectal swabs, regardless of the original site of infection. Most interesting, ...

Simple drug has the potential to save many lives threatened by malaria

... They found the two treatments broadly comparable and suggest that rectal artemether could be used to treat severe malaria where qualified staff and ... a single trial of this size cannot alone be the basis for policy change, rectal artemisinins might be one safe and effective way to reduce the risk of ...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

... the ages of 55 and 74, enrolled in the PLCO Trial, with no history of prostate cancer. The men were initially screened through a PSA test and digital rectal exam, and were then followed through routine exams and screenings until first occurrence of prostate cancer, death or the end of the trial in 2001. ...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

... to hibernation. Entering into the colony with bulb thermometers, earlier investigators had indeed found that huddling penguins maintain a lower rectal temperature than birds which were isolated from the colony (35.7°C vs. 37.9°C, respectively). However, a sustained drop in deep body (core) ...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

... which the seals took a series of experimental dives into cold water of 2-3° C. The researchers recorded shivering, heart rate, brain temperature and rectal temperature while the seals were on the surface and while they were diving. The seals shivered on the surface but stopped or nearly stopped ...

Inflammation and drugs to control this activity studied in a variety of tumors sites

... of repeat biopsies of prostate tissue over a five-year period from men who had abnormal serum prostate specific antigen (PSA) levels and/or digital rectal examinations (DRE) suggest that chronic inflammation may be a significant risk factor in the development of prostate cancer. While connections ...

Test for early detection of prostate cancer shows promise

... of research at the James Buchanan Brady Urological Institute at Johns Hopkins. The traditional two-step approach of PSA testing and digital rectal examination has helped doctors identify prostate tumors early, while the cancers can still be cured. But PSA testing, like many disease-screening ...