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Tag: "intestinal" at biology news

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...all BL-3020, displayed good metabolic stability to intestinal enzymes when swallowed, and that it was able to cross the intestinal wall and gain access into the blood stream. Once in the blood, it could make its way to the MC4R rec...

Understanding why C. difficile causes disease -- it's hungry

...until they grow in abnormally large numbers in the intestinal tract. This can happen when the benign bacteria that normally inhabit the intestinal tract are reduced such as when people take antibiotics or other antimicrobial drugs. Then, C. diffic...

Egyptians, not Greeks were true fathers of medicine

...d today, and that cumin and coriander were used as intestinal carminatives. Further evidence showed that musculo-skeletal disorders were treated with rubefacients to stimulate blood flow and poultices to warm and soothe. They used celery and saffron for rheumatism, which are currently topics of pharmaceutica...

Study finds antibiotic resistance in poultry even when antibiotics were not used

...examined levels of antibiotic resistance in normal intestinal bacteria that do not cause human illness and ?in a companion study published in May in the same journal ?also examined levels of drug resistant campylobacter bacteria, a common foodborne cause of diarrhea, cramping and abdominal pain. They found t...

Why doesn't the immune system attack the small intestine?

...e able to ignore ?or become 'tolerized' to ?normal intestinal tissue," states Turley, who is also an assistant p...acteria, teach T cells to resist attacking healthy intestinal cells." In the new study, Turley and her colleagues found that, in fact, dendritic cells aren't es...

Scientists find new genes for Crohn's disease

...is study suggests that neuroendocrine cells of the intestinal epithelium have a key role to play in Crohn's. In addition, the identification of the NCF4 gene indicates that the production of altered reactive oxygen species, which are important in the generation of a protective response against microbes, may lea...

Susceptibility to Crohn's disease -- an important new clue

...s a chronic relapsing inflammatory disorder of the intestinal tract that affects an estimated 0.15% of people in the developed world. Common symptoms include abdominal pain and diarrhea, but the disorder is often associated with debilitating clinical complications. Researchers from the University of Liège, Belg...

Scientists identify a gene that may suppress colorectal cancer

...e copy of the mutated gene, the incidence of small intestinal and colon polyps were reduced by about 90%. “This...entists used a strain of mice called Min (multiple intestinal neoplasia). Min mice carry mutations in the Apc gene, which causes the development of intestinal ...

Motor protein plays key role in connecting neurons

...that turnover and divide rapidly, such as skin and intestinal cells, and eggs or oocytes. The rapidly moving protein is easily degraded and needs tight regulation. "If you don't want to have dramatic changes in your neuron structure, you don't want this molecule," she says. In fact, she suspects th...

Linheng Li Lab documents the development of cancer stem cells

... formation of tumors. The paper, "PTEN-deficient intestinal stem cells initiate intestinal polyposis" was posted to the Nature Genetics Web site on January 21. The theory that cancer stem...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...ion against many types of bacteria---damage normal intestinal flora in addition to killing disease-causing micro...oea, colitis, and other conditions associated with intestinal inflammation. Rarely, CD infection can be fatal. By contrast, drugs that target only specific typ...

Early HIV treatment fails to restore memory T cells

...te rapidly. In particular, the memory cells in the intestinal lining are decimated within days, while the T cell...h antiviral drugs, it has been unclear whether the intestinal mucosal memory cells return as well. By performing intestinal biopsies on volunteers who started HIV...

The biggest bug in gut discomfort

...w could such a large bacteria gain access to human intestinal epithelial cells that do not normally take up part... showing C. jejuni gaining intracellular access to intestinal epithelial cells despite its large size suggested to Watson and Galan that the bug had evolved a spe...

Friendly bacteria in alcoholic milkshake could fight food allergies

... to prevent food antigens from passing through the intestinal wall. Liu believes that the milky drink could be a promising tool in the prevention of allergies. "In the future, maybe we can screen out the certain components (bacterial strains or bioactive peptides) from kefir and utilize them in medicine," he...

Mars mission Risk 29: Scientists research ways to reduce radiation-induced brain damage

...f Public Health, Boston, mouse models approach for intestinal tumorigenesis estimates by space radiation Kathryn Held, Massachusetts General Hospital, Boston, mechanisms for induction of bystander effects by high energy particles in cells and tissues Fiorenza Ianzini, University of Iowa, Iowa City, Iowa,...

Like a snail through the intestinal canal

The medical device currently used for intestinal research, the colonsope, causes patients great dis...th a medical device. Yet, many people need to have intestinal examinations done to determine if, for example, they have intestinal cancer. The medical device curr...

Most widely used organic pesticide requires help to kill

...ecies of micro flora that take up residence in the intestinal tract. "In moths and butterflies, the complexity...aterpillars. Exposed to Bt, the caterpillars whose intestinal tracts had been cleared of their native microbial communities showed none of the agent's toxic effec...

Protein shown to rally biological clock

...tatistician, have determined that VIP ¬?vasoactive intestinal polypeptide ?is the rallying protein that signals the brain’s biological clock to coordinate daily rhythms in behavior and physiology. The finding clarifies the roles that both VIP and a neurotransmitter GABA play in synchronizing biological clock...

Got inexpensive contrast agent? Milk plays new role in imaging

...the condition calls for visualization of the small intestinal wall, a negative oral contrast agent should be use...oft tissue. When milk is used, the milk-filled intestinal cavity appears dark, while the intestinal wall appears bright due to intravenous contrast enhancemen...

Bacterial protein shows promise in treating intestinal parasites

...y two billion people worldwide infected with these intestinal parasites are children, who are at particular risk...out the potential emergence of resistance in human intestinal nematodes to currently available medicines. "There are only a few new agents under development for...

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