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Slices of living human brain tissue are helping scientists identify new stroke therapies

Slices of living human brain tissue are helping scientists learn which drugs can block the waves of death that engulf and engorge brain cells following a stroke.

21 Jan 2009

First genetic map of obesity

The first genetic map of obesity has been constructed using DNA microarray technology.

21 Jan 2009

New and simple urine test detects common cause of kidney transplant failure

A new and simple urine test can detect polyomavirus nephropathy, a relatively new and serious complication that affects up to 9% of kidney transplant recipients, according to a study appearing in the February 2009 issue of the Journal of the American Society Nephrology (JASN).

21 Jan 2009

Mice and men express the same olfactory preferences

Humans and mice are attracted by the same odors. This has been revealed for the first time by a team of French researchers in the "Neurosciences sensorielles, comportement, cognition" Unit (CNRS / Université Lyon 1).

21 Jan 2009

Dynamical theory and novel 4-D colorimetric method reveal modus operandi of intact living brain

For the brain to achieve its intricate functions such as perception, action, attention and decision making, neural regions have to work together yet still retain their specialized roles.

21 Jan 2009

Engineered virus targets and kills apparent cancer stem cells in neuroblastoma

After identifying an apparent population of cancer stem cells for neuroblastoma, researchers successfully used a reprogrammed herpes virus to block tumor formation in mice by targeting and killing the cells.

21 Jan 2009

Cell transplantation and diabetes: New sites, new devices

Early attempts at islet cell transplantation to treat diabetes date to the nineteenth century, decades before the discovery of insulin in the 1930s.

21 Jan 2009

Blocked Interleukin 21 protein prevents Lupus in mouse model

Mice from a strain that ordinarily develops systemic lupus erythematosus (SLE), but bred with a deficiency in receptor for the protein Interleukin 21, stayed healthy and exhibited none of the symptoms of the disease, researchers at The Jackson Laboratory and National Institutes of Health report.

21 Jan 2009

Biotech venture seeks West Nile virus treatment from antibodies in geese

Rich Glynn, a straight-talking entrepreneur from South Dakota, doesn't mince words when explaining why a partnership between his fledgling goose operation and the University of North Dakota is a match made in heaven.

21 Jan 2009

Epigenetics may account for some inherited traits and diseases

Embargoed Until January 18, 2009 at 18:00 Greenwich Mean Time / 13:00 Eastern Standard Time (TORONTO): Scientists at the Centre for Addiction and Mental Health (CAMH) have detected evidence that DNA may not be the only carrier of heritable information; a secondary molecular mechanism called epigenetics may also account for some inherited traits and diseases.

19 Jan 2009

Stroke telemedicine assessed

Stroke telemedicine is a lifesaving practice that deserves further advancement, Mayo researchers write in the January 2009 issue of Mayo Clinic Proceedings.

19 Jan 2009

New technique images whole cells in liquid with a scanning transmission electron microscope

Scientists have always wanted to take a closer look at biological systems and materials.

19 Jan 2009

Breakthrough in treatment of cancers and infectious diseases

Dr. André Veillette, a researcher at the Institut de recherches cliniques de Montréal (IRCM), and his team led by postdoctoral fellow Dr. Mario-Ernesto Cruz-Munoz, will publish in the upcoming issue of the prestigious journal Nature Immunology of Nature Publishing Group.

19 Jan 2009

CSL Behring receives FDA approval of RiaSTAP

CSL Behring announced today that the U.S. Food and Drug Administration (FDA) has granted marketing approval for RiaSTAP(TM), the first and only treatment of acute bleeding episodes in patients with congenital fibrinogen deficiency, including afibrinogenemia and hypofibrinogenemia.

19 Jan 2009

Researchers find novel use for old compound in cancer treatment

The compound, alpha-difluoromethylornithine or DFMO, targets the activity of a specific enzyme and, even in very limited doses, is effective in protecting against the malignancy in animal models.

19 Jan 2009

Discovery of potential new bactericide

As bacteria resistant to commonly used antibiotics continue to increase in number, scientists keep searching for new sources of drugs.

19 Jan 2009

Lack of grey matter linked to schizophrenia and bipolar disorder

A research study led by scientists from the Gregorio Marañón University Hospital in Madrid and the Network of Centres for Biomedical Research in Mental Health Networks (CIBERSAM) shows that adolescents experiencing a first outbreak of psychosis have lower levels of grey matter in their brains than healthy teenagers. Strangely, this change was seen in patients suffering from various psychoses, including bipolar illness and schizophrenia.

19 Jan 2009

New FDA guidelines for foods and feeds

The U.S. Food and Drug Administration has issued three guidances designed to help ensure the safety of FDA-regulated products in the supply chain.

19 Jan 2009

Biologically tagged nanowires integrated onto circuit chips

A handheld, ultra-portable device that can recognize and immediately report on a wide variety of environmental or medical compounds may eventually be possible, using a method that incorporates a mixture of biologically tagged nanowires onto integrated circuit chips, according to Penn State researchers.

19 Jan 2009

Microfluidic devices capture and analyze single cancer cells

One of the grand goals in nanotechnology is to develop a single microfluidic device that integrates all of the components needed to perform polymerase chain reaction (PCR)-based nucleic acid analyses. Experts predict that such a device would enable researchers to develop rapid assays for cancer and other life-threatening diseases while a patient is in the doctor's office.

18 Jan 2009