News tagged with knockout mice


Researchers identify critical link in mammalian odor detection

Researchers at the Monell Center and collaborators have identified a protein that is critical to the ability of mammals to smell. Mice engineered to be lacking the Ggamma13 protein in their olfactory receptors were functionally ...

Neuroscience created May 06, 2013 | popularity not rated yet | comments 0 | with audio podcast

Study finds key protein for firing up central nervous system inflammation

Scientists have identified an influential link in a chain of events that leads to autoimmune inflammation of the central nervous system in a mouse model of multiple sclerosis (MS).

Medical research created May 02, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Researchers decode a kind of trigger switch for the conversion of fat cells

For a long time, scientists have dreamed of converting undesirable white fat cells into brown fat cells and thus simply have excess pounds melt away. Researchers at the University of Bonn have now gotten ...

Medical research created Apr 23, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers identify and block protein that interferes with appetite-suppressing hormone

Ever since the appetite-regulation hormone called leptin was discovered in 1994, scientists have sought to understand the mechanisms that control its action. It was known that leptin was made by fat cells, reduced appetite ...

Medical research created Apr 17, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study could aid development of new drugs to treat gout

Findings from a Loyola University Chicago Stritch School of Medicine study could lead to the development of new drugs to treat gout. The study, led by Liang Qiao, MD, and his colleagues and collaborators, was published March ...

Immunology created Mar 19, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Progesterone may be why pregnant women are more vulnerable to certain infections

Women who are pregnant or using synthetic progesterone birth control injections have a conspicuous vulnerability to certain infections including malaria, Listeria, HIV, and herpes simplex virus. A new research report appearing ...

Medical research created Feb 28, 2013 | popularity not rated yet | comments 0 | with audio podcast

Scientists find protein that reins in runaway network

Marked for death with molecular tags that act like a homing signal for a cell's protein-destroying machinery, a pivotal enzyme is rescued by another molecule that sweeps the telltale targets off in the nick of time.

Medical research created Jan 22, 2013 | popularity not rated yet | comments 0 | with audio podcast

Telmisartan reverses insulin resistance in mice

(HealthDay)—Treating mice fed a high-fat diet with telmisartan reverses insulin resistance and glucose intolerance, but only when the peroxisome proliferator-activated receptor-δ (PPAR-δ) gene is present, ...

Diabetes created Jan 03, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Research opens up possibility of therapies to restore blood-brain barrier

(Medical Xpress)—Research led by Queen Mary, University of London, has opened up the possibility that drug therapies may one day be able to restore the integrity of the blood-brain barrier, potentially ...

Medical research created Jan 02, 2013 | popularity 5 / 5 (6) | comments 1 | with audio podcast

Lactation protein suppresses tumors and metastasis in breast cancer, scientists discover

A protein that is necessary for lactation in mammals inhibits the critical cellular transition that is an early indicator of breast cancer and metastasis, according to research conducted at the University at Buffalo and Princeton ...

Cancer created Oct 24, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers discover molecular link between circadian clock disturbances and inflammatory diseases

Scientists have known for some time that throwing off the body's circadian rhythm can negatively affect body chemistry. In fact, workers whose sleep-wake cycles are disrupted by night shifts are more susceptible to chronic ...

Medical research created Aug 01, 2012 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast

Liver fat gets a wake-up call that maintains blood sugar levels

A Penn research team, led by Mitchell Lazar, MD, PhD, director of the Institute for Diabetes, Obesity, and Metabolism at the Perelman School of Medicine, University of Pennsylvania, reports in Nature Medicine that m ...

Medical research created May 06, 2012 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Scientists link dietary DHA to male fertility

Who knew that male fertility depends on sperm-cell architecture? A University of Illinois study reports that a certain omega-3 fatty acid is necessary to construct the arch that turns a round, immature sperm cell into a pointy-headed ...

Health created Jan 09, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Intestinal protein may have role in ADHD, other neurological disorders

A biochemical pathway long associated with diarrhea and intestinal function may provide a new therapeutic target for treating ADHD (Attention Deficit Hyperactivity Disorder) other neuropsychiatric disorders, according to ...

Attention deficit disorders created Aug 11, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New resource to unlock the role of microRNAs

A new resource to define the roles of microRNAs is announced today in Nature Biotechnology. The resource, called mirKO, gives researchers access to tools to investigate the biological role and significance for human health ...

Medical research created Aug 07, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast