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sick in Biological News

Fruit flies sick from mating

Mating can be exhausting. When fruit flies mate, the females' genes are activated to roughly the same extent as when an immune reaction starts. This is shown in a study at Uppsala University that is now appearing in the scientific publication, Journal of Evolutionary Biology .* Using a combin...

Making flies sick reveals new role for growth factors in immunity

A Salmonella infection is not a positive experience. However, by infecting the common laboratory fruit fly Drosophila melanogaster with a Salmonella strain known for causing humans intestinal grief, researchers in the School of Life Sciences at Arizona State University have shed light on some ke...

Truly sick or simply scared?

BOSTON Scientists at Pacific Northwest National Laboratory have discovered a way to increase the sensitivity of test strips that will enable creation of a portable biosensor that can address a major concern associated with incidents involving chemical or nerve agents the need to quickly distingu...

Implantable pumps extend lives of patients too sick for transplant

Pumps implanted into the chest to maintain circulation can significantly extend the lives of the sickest patients in end-stage heart failure who are not candidates for heart transplantation, according to the results of a clinical trial led by Duke University Medical Center cardiologists. The pump...

What's really making you sick? Plant pathologists offer the science behind Sick Building Syndrome

Science-based identification of mold and other causes of Sick Building Syndrome may improve its management, say plant pathologists with The American Phytopathological Society (APS). Sick Building Syndrome (SBS) refers to a situation in which building occupants experience health problems while in...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...ere may be analogies to other toxic effects from fine particles," Rand, a co-corresponding author, said. "It may be like being in a coal mine. You get sick more from the effects of dust particles than from specific toxins in the dust." The scientists immersed adult Drosophila in a control test tube and...

Early detection and quick response are key to defense against anthrax attack

... from a small airplane flying over a major city. The invisible powder could be inhaled by thousands or hundreds of thousands, who would start becoming sick anywhere from 24 hours to a week or more after the attack. With appropriate and timely administration of an antibiotic treatment program, exposed indi...

NIH expands Human Microbiome Project; funds sequencing centers and disease projects

...igators will examine if there is a relationship between the immune system and viral microbiome of groups of children who are healthy and those who are sick with illnesses that cause a sudden high fever. Phillip I. Tarr, M.D., Washington University School of Medicine, Saint Louis Digestive tract: Necr...

IUPUI study finds living near fast food outlet not a weighty problem for kids

...proach, not a decade-long expanse of data. "Previous studies did not benefit from the wide range of information we acquired such as details of both sick and well doctor visits, changes in a child's address, annual food service establishment inspection data, aerial photographs of neighborhoods and crime...

100 reasons to change the way we think about genetics

...tly outgrowths on their eyes. Another study found that exposing a pregnant rat to a chemical that alters reproductive hormones leads to generations of sick offspring. Yet another study shows higher rates of heart disease and diabetes in the children and grandchildren of people who were malnourished in ado...

Penn State entomologists seek fungus to blunt mosquitoes' sense of smell

... sick people often lose their sense of smell and their appetite. If this happened to mosquitoes, they would not be able to feed on humans and spread malaria...

Scientists learn why the flu may turn deadly

...spital of Philadelphia, "We have a very limited understanding of why some people who get influenza simply have a bad cold and other people become very sick and even die. The results of this study give us a much better sense of the mechanisms underlying bacterial infections arising on top of the viral inf...

Tufted bacteria cause infection in premature babies

...and mucous membranes directly after birth. In healthy adults and children, these bacteria normally live in harmony with the host organism. However, in sick adults or premature babies, they can cause blood poisoning. The scientists believe that the hair-like protrusions on the surface of the bacteria th...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

...r Hearing Gene-Laden Bubbles Grow New Blood Vessels Singing Screws Reveal sick Structures Musical Words The Peculiar Hyena's Laugh Supple Waves in Chee...2/asa/abstracts/search.may09/asa791.html 4) SINGING SCREWS REVEAL sick STRUCTURES In 2006, a concrete panel weighing several thousand pounds fe...

Sugar on bacteria surface serves as base for a web of resistance

...lly ill hospitalized patients also are susceptible to infection by Pseudomonas, which can lead to sepsis or bacteremia, common causes of death in very sick intensive-care patients. With Psl clearly identified as the foundation of the matrix, or the architectural glue that holds a biofilm together, sci...

6 young ASU faculty earn NSF Career awards

...rstanding how proteins and DNA interact. In the long term, these will ultimately help to understand how important cellular processes are initiated (in sick or healthy cells). The program will include the mentoring of minority undergraduate summer students, the development of new high school teaching mo...

Minimizing the spread of deadly Hendra virus

...s a result of these findings, veterinarians and horse owners are likely to consider the possibility of Hendra virus infection sooner when dealing with sick horses. This will mean appropriate management strategies can be put in place immediately, reducing the risk of spread while testing is being carried ...

University of Kansas graduate student researcher takes aim at deadly brain tumors

... making development of better cancer therapies the focus of her career. "My grandfather died of leukemia when I was in junior high and he was very sick the last year of his life," Ciaccio said. "I think a lot of it was the treatment that was making him sick. And when he passed, he had been though so m...

Psychiatric disorders are common in adults who have had anorexia

... not recovered from anorexia, 18 years after the start of the study. Thirteen people, or around 25%, are on disability benefit or have been signed off sick for more than six months due to an eating disorder or other psychiatric disorder.. Thirty-nine percent have at least one other psychiatric disorder, i...

Teeth of Columbus' crew flesh out tale of new world discovery

...ges, as well as signs of malnutrition and physical stress. Chronicles of the voyage noted that most of the Europeans, including Columbus himself, fell sick shortly after landfall on Hispaniola, and many subsequently died, perhaps becoming the first to be buried in the La Isabela church graveyard. ...

Interventional treatment can be recommended as first-line treatment for 'silent killer'

... Meeting. Currently this less invasive treatment has been reserved for elderly patients or those with co-morbid conditions who were considered too sick for major surgery. Stent grafts (tubes composed of fabric supported by metal mesh) were introduced about a decade ago. Because the devices were new, l...

Researchers discover gene mutations that cause childhood brain cancer

... some of these drugs may be adapted and used effectively to treat medulloblastomas." Dr. Taylor is a pediatric brain surgeon at Toronto's Hospital for sick Children: In the study, the largest of its kind, researchers looked at more than 200 tumour samples. The samples came from children in countries a...

Stem cell breakthrough gives new hope to sufferers of muscle-wasting diseases

...nto muscle and also gives the stem cells an advantage over the locals. It's the first strategy that gives the good guys the edge in the battle to cure sick tissues," Professor Gunning said. "What has been the realm of science fiction is looking more and more like the medicine of the future," he said. ...

Evolutionary biologist will study HIV with grant from AIDS research foundation

... African primates such as chimpanzees and gorillas have been evolving with the precursor to HIV, called SIV, for millions of years. They rarely get sick from the virus. Evolutionary theory predicts that the primate genes and proteins most critical to SIV infection will have evolved more rapidly over ti...

Study examining role of genetics and environment in type 1 diabetes

...iest sign of attack at multiple visits with study coordinators each year. Parents also keep detailed records of what their children eat, when they get sick or vaccinated and bring in water samples, fingernail clippings and stool samples as part of the effort to piece together the genetic and environmental...

'It takes a genome: How a clash between our genes and modern life is making us sick'

...ll, according to Professor Greg Gibson's recently published book. In It Takes a Genome: How a Clash Between Our Genes and Modern Life Is Making Us sick , Professor Gibson, from UQ's School of Biological Sciences, suggests the increased rates of diseases such as diabetes, cancer and Alzheimer's are due...

Study: Fluid buildup in lungs is part of the damage done by the flu

...onse ultimately is needed to eliminate the virus, but this research suggests that it's not the presence of the virus alone that does all the harm to a sick person. Instead, the fluid buildup deep inside the lungs might help kill a person infected with the flu, according to the research, which was conducte...

New method monitors critical bacteria in wastewater treatment

...trite to reveal the ion flux, or how many ions are being transported into and out of the biofilm per minute. "When bacterial biofilms are poisoned, sick and stressed they start to release ions, including potassium and calcium, which is an early warning signal," Porterfield said. "The bacteria in wastew...

New vaccine developed for preventing 'uncommon cold' virus

... FAIRFAX, Va. Common colds typically cause a week of sneezing, aches and pains and then fade away leaving only a sore nose and a few used sick days behind. But what if that cold turned out to be something more? Human adenovirus type-3 is known as the "uncommon cold" because the infection's...

Biofeedback from the zoo

...o the very smallest details can break down crying when they watch their own behavior on video," he says. "It's striking to see: They can't believe how sick they really are, once they notice the large gap between what they've described to us and what they're observing on the screen." Using video to prov...

Researchers identify potential new weapon in battle against HIV infection

...national team of researchers from Canadian Blood Services, The Hospital for sick Children (SickKids) and Lund University in Sweden have discovered that cer...reviously studied extensively by The Research Institute at the Hospital for sick Children Senior Scientist Dr. Cliff Lingwood; Lund University's Dr. Martin ...

Immunity stronger at night than during day

...in a growing number of human diseases, including cancer and neurodegenerative disorders. In previous experiments, the researchers noted that flies sick with bacterial infection lost their circadian rhythm and that flies lacking circadian rhythm were highly susceptible to infection. The flies were...

Marked improvement in body image, physical stamina, post-surgical pectus patients report

...isc.; Children's Medical Center, Dallas, Tx.; Children's Mercy Hospital, Kansas City, Mo.; Cincinnati Children's Hospital Medical Center; Hospital for sick Children, Toronto, Canada; Johns Hopkins University Medical Center, Baltimore, Md; Kapi'olani Medical Center for Women and Children, Honolulu, Hi; an...

Winter brings flu, summer brings bacterial infections

...dicine at the University of Maryland School of Medicine; and researchers from the University of Florida and the Research Institute of the Hospital for sick Children in Toronto. They were just published in Infection Control and Hospital Epidemiology, a professional journal. The study examined infections...

Multiple sclerosis research charges ahead with new mouse model of disease

... switches a charge on a protein key to myelin stability. Therefore, Abdiwahab A. Musse and colleagues at the University of Guelph and the Hospital for sick Children in Ontario created a genetically modified mouse expressing too much of an enzyme known as PAD2. They found that these mice had significant lo...

Flu shot protects kids -- even during years with a bad vaccine match

...hester Medical Center and an author of the paper. "Children are notorious for unintentionally spreading illnesses. If we can prevent them from getting sick in the first place, we can prevent their loved ones from getting sick, especially younger siblings under 6 months who can't receive the vaccine and ol...

New test promises quicker, more accurate evaluation for cystic fibrosis patients

...n can rapidly exhale: forced expiratory volume in one second or FEV1. FEV1 cannot be performed effectively for all patients, especially young and very sick patients. Generally patients' FEV1 does improve when inflammation is reduced, but not all patients' FEV1 improves significantly, and changes can take ...

Swamping bad cells with good in ALS animal models helps sustain breathing

...e progenitor cells from healthy rat spinal cord tissue. Following transplant, they transformed into mature, healthy astrocytes, found living alongside sick motor neurons. Astrocytes are the most common cells in the central nervous system. Work at Johns Hopkins and elsewhere has shown their crucial role...

Governor Doyle announces historic genomic research collaboration

...ill be able to look at individuals and know what diseases they are likely to get, how best to treat them, and what we can do to keep them from getting sick in the first place," said Representative Dave Obey. "The Wisconsin Genomics Initiative is all about getting us to that future. I'm proud that once aga...

Advance offers revolution in food safety testing

...ducts we consume," Trempy said. "Simply knowing they are there doesn't completely tell you, in a direct measurement, about their potential to make you sick or whether the food is safe to eat." Existing tests only work to detect bacteria that have already been characterized, based on a specific sequenc...
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(Date:9/16/2014)... the "molecular brakes" that time the generation of important ... "hair cells" translate sound waves into electrical signals that ... sounds. If the arrangement of the cells is disordered, ... research will be published in The Journal of ... and Hey2 act as brakes to prevent hair cell ...
(Date:9/16/2014)... we inherit certain traits from our parents that are ... genes play out by taking certain drugs or better ... a team of researchers at the Boston University School ... epigenetics research. , Epigenetics regulates gene expression in ... proteins, which prevent permanent mutations or alterations within the ...
(Date:9/16/2014)... has its own bacterial identity. That,s the conclusion of ... who studied the genetic fingerprints of bacteria on 57 ... "This study demonstrates for the first time that host ... strategies possess very different microbial communities on their leaves," ... researcher in the UO,s Institute of Ecology and Evolution ...
Breaking Biology News(10 mins):Hey1 and Hey2 ensure inner ear 'hair cells' are made at the right time, in the right place 2Epigenetic drugs: A hope to treat cancer resistance and reduce cancer relapse? 2Epigenetic drugs: A hope to treat cancer resistance and reduce cancer relapse? 3Microbiome research shows each tree species has a unique bacterial identity 2
(Date:9/16/2014)... Kathleen Doheny HealthDay ... A simple urine test can routinely spot human papillomavirus (HPV), ... new analysis found. "Our study shows that testing urine ... taken from the cervix for HPV," said lead researcher Dr. ... and research fellow at Queen Mary University of London, England. ...
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Breaking Medicine News(10 mins):Health News:Urine Test for HPV Works Well, Analysis Finds 2Health News:Cliff Lake Dental Care Announces Newest Team Member 2Health News:Aspen Advisors Earns Recognition in Consulting Magazine’s "Best Small Firms to Work For" 2Health News:Aspen Advisors Earns Recognition in Consulting Magazine’s "Best Small Firms to Work For" 3Health News:Benefit of endocrine therapy in elderly women with low risk hormone receptor positive breast cancer? 2Health News:Benefit of endocrine therapy in elderly women with low risk hormone receptor positive breast cancer? 3Health News:World of Children® Award Announces 2014 Honorees 2Health News:World of Children® Award Announces 2014 Honorees 3Health News:World of Children® Award Announces 2014 Honorees 4Health News:World of Children® Award Announces 2014 Honorees 5Health News:World of Children® Award Announces 2014 Honorees 6Health News:World of Children® Award Announces 2014 Honorees 7Health News:World of Children® Award Announces 2014 Honorees 8
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