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ASCLS eNewsBytes
June 23, 2009
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Revolution in the High Speed Imaging of Cells
from Laboratory News
When Carl Zeiss made the first phase contrast microscope, it transformed biological science; kick-starting the science of cell biology, making live cell imaging possible, and providing the foundation for its rapid advancement in the latter half of the 20th century. Its direct descendants are today’s powerful research microscopes and, especially, the Laser Scanning Confocal Microscope. More    E-mail article

Beckman Coulter

Study: Discarded Fallopian Tubes Could be Rich Source of Stem Cells
from Medical News Today
Fallopian tubes normally discarded after hysterectomies and other procedures could become rich potential sources for mesenchymal stem cells which like other types of stem cell can be coaxed to develop into a variety of cell types, according to a new study by researchers in Brazil. More    E-mail article

New Map Finds HIV Rates are Highest in the South
from The Associated Press
A new internet data map offers a first-of-its-kind, county-level look at HIV cases in the U.S. and finds the infection rates tend to be highest in the South. The highest numbers of HIV cases are in population centers like New York and California. However, many of the areas with the highest rates of HIV — that is, the highest proportion of people with the AIDS-causing virus — are in the South, according to the data map, which has information for about 99 percent of the nation's counties. More    E-mail article

CDC Sees "Something Different" with New Flu
from Reuters
The new strain of H1N1 flu is causing "something different" to happen in the United States this year ‒ perhaps an extended year-round flu season that disproportionately hits young people, health officials said. An unusually cool late spring may be helping keep the infection going in the U.S. Northeast, especially densely populated areas in New York and Massachusetts, the officials at the U.S. Centers for Disease Control and Prevention said. More    E-mail article

Nestlé Recall Leaves a Mystery in Its Wake
from The Washington Post
Federal microbiologists and food safety investigators have descended on the Danville, Va., plant that makes Nestlé's refrigerated cookie dough, trying to crack a scientific mystery surrounding a national outbreak of illness from E. coli 0157, which has been linked to the product. Health officials and food producers puzzled over how E. coli 0157, a bacterium that lives in the intestines of cattle, could have ended up in a product that seems so unlikely to contain it. More    E-mail article


Children's Sinusitis Can Lead to Toxic Shock Syndrome, Study Shows
from WebMD Health News
Sinus infections in children can sometimes lead to toxic shock syndrome, according to a new study. Toxic shock syndrome, a potentially fatal condition typically known for its association with tampon use, is also known to be linked with numerous infections. The link between sinus infection and toxic shock syndrome in children has been largely overlooked until now, says study lead author Kenny Chan, MD, a chief of pediatric otolaryngology. More    E-mail article

Zoledronic Acid Injection Approved to Prevent Postmenopausal Osteoporosis
from Medscape Today
The FDA this month has approved zoledronic acid infusion (Reclast, Novartis Pharmaceuticals Corp) for the prevention of postmenopausal osteoporosis during a 2-year period. "It is very important to treat postmenopausal women with low bone mass to help prevent them from progressing to osteoporosis," said Mone Zaidi, MD, PhD, in a company news release. "The dosing of Reclast for the prevention of postmenopausal osteoporosis offers an advance over existing therapies since it can be given once every two years, instead of daily, weekly, or monthly." More    E-mail article

Newly Developed Antimicrobial Peptide May Protect Mice from Lethal Bacterial Infections Including MRSA
from Science Daily
In a new study researchers from Japan suggest that a synthetic antimicrobial peptide identified as L5 may prevent death in mice suffering from life-threatening bacterial infections, such as MRSA, by activating the host immune response. Innate immunity, the universal defense system shared by all animals, activates when the body responds to foreign pathogens at an early stage of infection. Cationic antimicrobial peptides (known for their antibacterial, antifungal, antiviral, antiprotozoal and antiseptic properties) are part of the innate immune response which kills microorganisms. More    E-mail article

Antibiotics Take Toll on Beneficial Microbes in Gut
from Infection Control Today
It's common knowledge that a protective navy of bacteria normally floats in our intestinal tracts. Antibiotics at least temporarily disturb the normal balance. But it’s unclear which antibiotics are the most disruptive, and if the full array of "good bacteria" return promptly or remain altered for some time. In studies in mice, University of Michigan scientists have shown for the first time that two different types of antibiotics can cause moderate to wide-ranging changes in the ranks of these helpful guardians in the gut. More    E-mail article

Uncertainty Remains as to Whether Genetic Testing for VTE Improves Outcomes
from Heartwire via Medscape Medical News
There is insufficient evidence to conclude that genetic testing for two prothrombotic mutations improves outcomes for patients with venous thromboembolism (VTE) or for family members of people who carry the mutations, a new review has found. Clinicians test for genetic mutations in factor V Leiden and prothrombin G20210A–the two most common inherited risk factors for VTE – when treating patients who have had or are at risk of VTE, and such tests are widely offered in the U.S., with the FDA having approved the first tests for these mutations in 2003. More    E-mail article

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