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Growth in the sea comes down to a struggle for iron

...ican team went to work lowering equipment over the side to collect water samples. They analyzed water chemistry, nutrients, and microorganism diversity. Working to assist their Japanese colleagues on board both vessels, they made these measurements to characterize how the phytoplankton responded to the ir...

Controversial drug shown to act on brain protein to cut alcohol use

...other drugs toreverse addiction without Ibogaine's side effects, potentially addingto the small arsenal of...ddiction by American and other clinicians. But its side effects,including hallucinations, which made it popular in the 1960s drugculture, and evidence of to...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...s, and the numbers who experience these unexpected side effects are very low -- much less than 1 percent."...ave lives by alerting the physician to yet another side effect associated with this class of drug." Dr. Ackerman is director of Mayo Clinic's Long QT Syndr...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...n of SPIM is the illumination of a sample from the side rather than along the traditional view of the microscope lens. This eliminates a problem that has plagued three-dimensional microscopy in the past: researchers could obtain excellent resolution in the plane of the microscope slide, but resolution alo...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

...ion of many of these genes isunknown, meaning that side effects from iron deprivation may gounattributed to their root cause. Other genes affected by ironstarvation are known to be vital in generating energy, copying thecell's genetic code and protecting the cell from free radicals andaging, said Thiele."...

Researchers reveal the infectious impact of salmon farms on wild salmon

...wild salmon at all. "Parasites are a key negative side effect of fish farms on the local fish stocks," says Andrew Dobson, an epidemiologist from Princeton University who researches infectious diseases in wildlife. "We're seeing similar effects in Scotland, Norway, and Ireland; in each area parasite ampl...

Female sex hormones play a vital role in defense against sexually transmitted diseases

...gies," said Kaushic. "There is of course the flip side to this as well. Our studies in mice and in fact a number of clinical studies as well show that women who use Depo-provera, a progesterone based injectable contraceptive, have particularly high susceptibility to sexually transmitted infections, inclu...

New imaging method gives early indication if brain cancer therapy is effective, U-M study shows

... switch to a more beneficial therapy and avoid the side effects of a prolonged and ineffective treatment," said Brian Ross, Ph.D., professor of radiology and biological chemistry at the U-M Medical School and a member of the U-M Comprehensive Cancer Center. In the study, 20 participants with brain tumors...

Gene variations explain drug dose required to control seizures

...on patient metabolism and its potential neurologic side effects. The team identified genes considered to ...er dose, thereby minimizing their risk for adverse side effects, he added. The findings in epilepsy set the stage for scientists to evaluate other conditio...

Purdue proves concept of using nano-materials for drug discovery

...utside each vessel so that it covered the opposite side of the membranes. When the liquid diffused through the membrane's pores, it mixed with the enzyme, causing a reaction and turning blue in the process, which demonstrated that the device works. The Center for Membrane Protein Biotechnology combines a...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

...that primary tumor at lower doses, too, with fewer side effects for the patient," Dr. Huang said. Until now, agents that specifically target metastatic cells have remained elusive. However, a new avenue of research opened up when Dr. Huang's team noticed that the Streptomyces bacterium -- the bug that gi...

Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine

...ugh the cell to the bloodstream. Once at the other side of thecell, the pneumococcus breaks free of pIgR and enters the blood, whereit can multiply and infect the body. S. pneumoniae is the only bacterium known to use CbpA to invade humancells by binding to pIgR, according to Richard W. Kriwacki, Ph.D.,a...

New comparative toxicogenomics database

...ugh the cell to the bloodstream. Once at the other side of thecell, the pneumococcus breaks free of pIgR and enters the blood, whereit can multiply and infect the body. S. pneumoniae is the only bacterium known to use CbpA to invade humancells by binding to pIgR, according to Richard W. Kriwacki, Ph.D.,a...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...nset and another strategy to treat the devastating side effects that occur when treating the disease in it...dopa were being produced in their brains, blocking side effects. ...

Researchers add new tool to tumor-treatment arsenal

... therapeutic window, combined with possible severe side effects, has greatly limited their broader use." ...nts to guarantee cell death, but without the toxic side effects. The researchers studied the results of combining a DNA-damaging agent called cisplatin wit...

Potential Cure for Lymphoma in HIV patients

... cm).Reversible abnormalities in liver function, a side effect of theintensive treatment, were experienced in a majority of the patients.One patient, the oldest in the study, developed cardiomyopathy (aweakening of the heart) and kidney failure due to treatment toxicitiesand died a few weeks after the tra...

DNA Recombination and Repair—A New Twist to RecA Function

...nt—known as recombination—of DNA regions on either side of the shared sequence. It can also initiate the r...oment are aligned in a “stripe?that runs along the side of the filament. This stripe of ATP hydrolysis moves around the fiber in a repeating pattern of six ...

UCLA scientists transform HIV into cancer-seeking missile

... at a precise location, thereby minimizing harmful side effects," explained Irvin S.Y. Chen, Ph.D., director of the UCLA AIDS Institute. "Our approach proves that it is possible to develop an effective carrier and reprogram it to target specific cells in the body." The UCLA team employed a two-step appro...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...g in a certain direction or near the left or right side of the visual field. What they found was a surprise. As soon as the neurons were old enough to respond to the LCD screen, they specifically fired when they sensed only one type of movement. When the tiny square moved left to right, a distinct popula...

Gene vaccine for Alzheimer's disease shows promising results

... shown someslowing in the plaque buildup, negative side effects also occurred in ahandful of patients. Some had autoimmune responses that causedencephalitis.The key in the UT Southwestern study was finding another way tovaccinate patients without stimulating the body's own immune cytotoxicT cells, said Dr...

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Breaking Medicine News(10 mins):Health News:Consilium Staffing Increasing Awareness of Locum Tenens through Conference Appearances 2Health News:Severe Hot Flashes During Menopause May Raise Hip Fracture Risk Later: Study 2Health News:Common Painkillers May Help Prevent Certain Skin Cancers, Study Finds 2Health News:Common Painkillers May Help Prevent Certain Skin Cancers, Study Finds 3Health News:Can You Balance on One Leg? You May Have Lower Stroke Risk 2Health News:Alabama College of Osteopathic Medicine Deploys Desktop Virtualization Solution from Citrix, Dell and Unidesk 2Health News:Alabama College of Osteopathic Medicine Deploys Desktop Virtualization Solution from Citrix, Dell and Unidesk 3
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