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Tag: "safety" at biology news

FDA sees nanotech challenges in every product category it regulates

... resources and information necessary to ensure the safety of novel products before they enter the market, an...r counterparts, they potentially lead to different safety issues. The report’s recommendations that FDA provide clear nanotechnology-associated guidance for m...

Agent slows aging in mice

... Food and Drug Administration doesn’t evaluate the safety of such herbal remedies....

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...rt of a nationwide research study to determine the safety and effectiveness of a new smallpox vaccine geared toward adults ages 18 to 34 who have never been vaccinated against the disease. The study is the first of its type in Northeast Ohio. The current FDA-approved vaccine, Dryvax®, is not recommended f...

Researchers shed light on shrinking of chromosomes

...wards the end of cell division can also serve as a safety net if something goes wrong with chromosome separation in earlier phases of division. When the researchers added chemicals to the cell to block the late condensation, more separation defects appeared. “Sometimes chromosomes get stuck and cannot be ...

Genetic factors are linked to fever following smallpox vaccination

...erious illness. In recent studies testing the safety and potency of stored smallpox vaccine, which uses live vaccinia virus, some individuals developed fevers. The authors of the study, Samuel L. Stanley Jr., MD, and colleagues at Washington University, St. Louis University, and The Emmes Corporation,...

Human stem cell treatment restores motor function in paralyzed rats

... currently testing the human stem cell therapy for safety and efficacy in other animal models, and hopes to move to clinical trials in humans by next year. Paraplegia from spinal cord ischemia is a serious complication that occurs in 20 to 40 percent of patients undergoing a surgical process called aorti...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...to reach a platform. Food was always available and safety makes taken during the entire trial. On the seventh day the animals were tested for spatial memory, in other words low long it took them to find the platform. The Alzheimer’s mice that received statin were able to find the platform while none of t...

A new portable biosensor detects traces of contaminants in food more quickly and cheaply

...d water and overground water. For this reason food safety agencies have established control measures to prev...of the chromatographs which are used today in food safety laboratories. As regards the detection of antibiotics, the sensor has a sensitivity of 1 microgram p...

Rare cell prevents rampant brain activity

...cells ?called a Martinotti cell ?acts as a kind of safety device. When a Martinotti cell receives signals above a certain frequency, it responds by sending back inhibitory signals that moderate surrounding pyramid cells. Gilad Silberberg, one of the researchers behind the study, believes that the mecha...

Investigating the measles virus as a tool to kill multiple myeloma

...me trial, which opened in the fall, is testing the safety of another strain of the measles virus for treatment, one that also enables biological monitoring of anti-tumor activity. Dr. Russell’s team also is looking at ways to use the measles virus to combat other cancers, including breast, pancreatic an...

Transfusion expert urges wider use of filtered blood

...ful to them. The single most effective and overdue safety measure the FDA could take at this time is to mand...ata would suggest that when you combine all of the safety measures that have been made to the blood supply since the AIDS epidemic, all of those safety adjust...

30+ AIDS vaccine clinical trials in 24 countries, research occurring on every continent

...se I or Phase I/II trials designed to evaluate the safety and immunogenicity of the candidate vaccines. "Although these new trials are early-stage, they will provide critical information over the coming years that will help drive the field's R&D agenda. We hope to begin to see even more novel vectors, a...

Jefferson scientists find rabies-based vaccine could be effective against HIV

...ife in Europe. The study was aimed at studying the safety and effectiveness of the rabies vaccine approach against HIV and related diseases. Four macaques were immunized with both vaccines, while two animals received only a weakened rabies virus. After they gave the animals an initial vaccination, they t...

Allergy to hair dye increasing

...lso recently been reported. Wider debate on the safety and composition of hair dyes is overdue, say the authors. Cultural and commercial pressures to dye hair are putting people at risk and increasing the burden on health services. It may not be easy to reverse these trends, however, as some patients ...

New report: Explosive growth changes salmon industry

... also recommends: harmonizing regulatory food safety standards; recognizing and mitigating environmental impacts of both farmed and wild salmon production; providing accurate and balanced information about salmon issues; collecting better data about seafood markets and consumers; and co...

Vitamins: Science doesn't always match policy

...cts will be critical. Dose-response assessments of safety are badly needed for updating recommended safe and...design and to establish indicators of efficacy and safety in vitamin research," he concludes. "At best, the research needed to translate scientific knowledge ...

Soft-cell approach cuts animal tests

...products. Little is known about their toxicity and safety to human health but this new category of pollutants poses possible dangers, both medically and environmentally, especially if they get airborne. Most nanoparticles have a high surface area-to-mass ratio that can make the particles very reactive o...

Africa's first large-scale HIV vaccine study launches

... in the Americas, Africa and Australia to evaluate safety and immune responses. In those previous trials thi...rial investigators, who will carefully monitor the safety of the trial participants. A cornerstone of this vaccine trial is a commitment to the highest leve...

Chemo combination improves survival in asbestos-related cancer

...d States contain asbestos insulation. Although safety measures for working with asbestos have been in place since the 1970s, mesothelioma is projected to account for 65,000 deaths between 2001 and 2050 worldwide, peaking between 2012 and 2015, according to background information in the review. It is...

A rarity among arachnids, whip spiders have a sociable family life

...ts of whip spider social behavior include enhanced safety from predators. Although there are few reports of other creatures eating them, a mother nearby may offer young amblypygids some protection. When Rayor disturbed D. diadema youngsters, they gathered closer to each other or their mother. Now and then...

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(Date:7/11/2014)... that under the normal circumstances, astrocytes participate ... neuronal environment, and exhibit therapeutic and repairing ... Previous studies have found that nerve cells ... induction have reduced viability, which produces influences ... Yuan, Kailuan General Hospital, Hebei United University, ...
(Date:7/11/2014)... Rio de Janeiro, Brazil- In the brains of ... mechanism that allows an electric or chemical signal ... another. Chemical synapses, which are the most abundant ... inhibitory. Synapse formation is crucial for learning, memory, ... and inhibitory synapses critical for brain function. ...
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Breaking Biology News(10 mins):Blame it on the astrocytes 2NASDAQ Sets Ex-Dividend Date for Aware, Inc.'s Special Cash Dividend of $1.75 Per Share 2
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