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Tag: "illnesses" at biology news

Bacteria collection sheds light on urinary tract infections

.... However, E.coli is also commonly associated with illnesses caused by eating undercooked beef or drinking contaminated water. Without access to the large collection of bacteria strains from the Gastroenteric Disease Center, it would have been difficult for the researchers to carry out the research, according...

Live Recombinant Adenovirus Vaccine Technique Explored

...ring ways to develop new vaccines for a variety of illnesses using genetically modified adenoviruses, a common cause of respiratory infections. Oral adenovirus vaccines have long been proven to be safe and effective. The researchers believe their process for constructing a replicating live recombinant adenovir...

Protein offers way to stop microscopic parasites in their tracks

...ng infection when the immune system is weakened by illnesses such as HIV or is suppressed to facilitate an organ transplant. "Toxoplasma is like a time bomb that can go off and cause serious trouble when the immune system wanes or is compromised," explains L. David Sibley, Ph.D., professor of molecular microb...

Genetically modified rice in China benefits farmers' health, study finds

...paratively few farm households. Pesticide related illnesses Because there is a high incidence of pesticide-related illness in households of developing countries, including China, the researchers were interested in tracking the health effects of insect-resistant genetically modified rice. They asked farm fami...

Use of PET can reduce, may eliminate more strenuous drug development trials with animals

...and Parkinson's diseases, epilepsy, cardiovascular illnesses and many cancers. Researchers can gain a broader understanding of basic insights into normal physiology and disease processes to drug development and early response to anticancer and gene therapy. In addition, small animal imaging significantly reduc...

Drug-resistant bacteria on poultry products differ by brand

...ntibiotics. Not only can the bacteria itself cause illnesses such as diarrhea in humans, but fluoroquinolones are some of the most important drugs used to treat a variety of infections, including those caused by Campylobacter. The widespread presence of this drug-resistant form of the bacteria makes the antibi...

Norovirus, AIDS vaccine and Hepatitis Virus

... the leading causes of nonbacterial gastro-related illnesses resulting in over 23 million cases annually. In the study stool samples were collected from 34 patients with traveler's diarrhea and tested for the presence of norovirus. The virus was detected in 65 percent of the samples tested, with time spent at...

PGA on a tour under the skin

...ating these hospital-acquired infections and other illnesses caused by related bacteria. ...

Glow-in-the-dark zebrafish at UH hold keys to biological clocks

...s develop such things as sleep disorders or mental illnesses like depression." Per3 is the naturally occurring clock-regulated gene. The protein that it encodes is produced at highest levels near dawn, and when the luc gene is inserted into it, the luciferase protein is produced in a similar way. The result i...

A little stress gives beneficial oomph! to immune system

...ne reaction could worsen pre-existing inflammatory illnesses such as cardiovascular disease or gingivitis, and autoimmune disorders such as arthritis, multiple sclerosis or psoriasis. In autoimmune diseases, the immune system attacks the body. "Understanding mechanisms that mobilize leukocytes to potential ba...

Research into how prions act in the brain could hold the key to defeating diseases

...hways and mechanisms remains a real challenge. The illnesses are fatal and once ill, patients deteriorate rapidly. There is currently no simple and accurate way to diagnose types of prion disease such as vCJD, no effective way of managing or treating patients and no cure is yet in sight. Estimates of the numb...

NHGRI targets 12 more organisms for genome sequencing

...an individual's risk of developing common, complex illnesses such as heart diseases, diabetes and cancer. Building a catalog of rat SNPs will assist researchers trying to find genetic variations associated with common, complex diseases in rats, which can then be used to help identify similar genetic variations...

Embryonic Stem Cells Treated With Growth Factor Reverse Hemophilia In Mice: UNC Researchers

...e with specific genetic mutations that mimic human illnesses such as hemophilia. In 2001, Smithies received the Albert Lasker Award for Basic Medical Research, often called "America’s Nobel." In the study, ES cells were treated with fibroblast growth factor for seven days prior to injection. As expected, this...

New miniaturised chip dramatically reduces time taken for DNA analysis

...d food, identifying bacterial strains in foodborne illnesses and testing genetic toxicity in new drugs. Once mass production of the sensors begins, their cost and availability will be similar to that of pregnancy test kits found in pharmacies. The researchers Salvador Alegret, Manuel del Valle and Maria Isabe...

Montreal researchers probe the genetic basis of memory

... may hold promise in the treatment of a variety of illnesses linked to memory. "The discovery of the role of GC...enhance memory in patients with memory loss due to illnesses such as Alzheimer's disease, where protein synthesis and memory are impaired," concludes Dr. Karim N...

Compound might defeat African sleeping sickness, clinical trial beginning this month

...i at the Swiss Tropical Institute. "New drugs for illnesses in developing countries often fly beneath the profit radar of large pharmaceutical companies," Tidwell said. "That's because large companies require a high return on their investments, which means they don't have sufficient incentives to develop low-...

Measuring hidden parasites in falciparum malaria

...ons of the world, malaria causes 300 million acute illnesses and at least 1 million deaths annually. Estimates of plasma PfHRP2 concentrations may be useful as a research tool to assess patients' parasite loads and may also provide one way of assessing the severity of a patient's disease. ...

Fruit fly studies open new window on cancer research

...that leads to new applications. New treatments for illnesses such as cancer will only be found as we increase our knowledge of basic biological processes." ...

Researchers uncover E. coli's defense mechanism

...rrhea, abdominal cramps and sometimes more serious illnesses that require hospitalization. E.coli doesn't respond well to antibiotics, while Salmonella has developed several drug-resistant strains. Learning how the bacteria handle the body's immune response is the first step in developing more effective medici...

Researchers make 'embryonic-like' stem cells from umbilical cord blood

...o people awaiting treatment for a range of serious illnesses such as Diabetes, Alzheimer's Disease and multiple sclerosis. "Acquiring stem cells from embryos also has major limitations because it is difficult to obtain enough cells to transplant as well as getting the right tissue type for the patient," Dr McG...

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