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Released: 04/24/2014

Johns Hopkins researchers report they have figured out how the aptly named protein Botch blocks the signaling protein called Notch, which helps regulate development. In a report on the discovery, to appear online April 24 in the journal Cell Reports, the scientists say they expect the work to lead to a better understanding of how a single protein, Notch, directs actions needed for the healthy development of organs as diverse as brains and kidneys.
 

Released: 04/24/2014

Johns Hopkins researchers report that they have identified a protein essential to the formation of the tiny brain region in mice that coordinates sleep-wake cycles and other so-called circadian rhythms.

Released: 04/10/2014

Working with human neurons and fruit flies, researchers at Johns Hopkins have identified and then shut down a biological process that appears to trigger a particular form of Parkinson’s disease present in a large number of patients. A report on the study, in the April 10 issue of the journal Cell, could lead to new treatments for this disorder.

Released: 04/03/2014

Analyzing federal health care data, a team of researchers led by a Johns Hopkins specialist concluded that doctors overlook or discount the early signs of potentially disabling strokes in tens of thousands of American each year, a large number of them visitors to emergency rooms complaining of dizziness or headaches.

Released: 03/13/2014

In a series of experiments sparked by fruit flies that couldn’t sleep, Johns Hopkins researchers say they have identified a mutant gene — dubbed “Wide Awake” — that sabotages how the biological clock sets the timing for sleep. The finding also led them to the protein made by a normal copy of the gene that promotes sleep early in the night and properly regulates sleep cycles.

Released: 02/28/2014

Johns Hopkins researchers report that people with chronic insomnia show more plasticity and activity than good sleepers in the part of the brain that controls movement.

Released: 02/25/2014

Certain fragments of DNA shed by tumors into the bloodstream can potentially be used to non-invasively screen for early-stage cancers, monitor responses to treatment and help explain why some cancers are resistant to therapies, according to results of an international study led by Johns Hopkins Kimmel Cancer Center investigators.

Released: 02/18/2014

The antidepressant drug citalopram, sold under the brand names Celexa and Cipramil and also available as a generic medication, significantly relieved agitation in a group of patients with Alzheimer's disease. In lower doses than those tested, the drug might be safer than antipsychotic drugs currently used to treat the condition, according to results of a clinical trial led by Johns Hopkins researchers that included seven other academic medical centers in the United States and Canada.

Released: 02/03/2014

Johns Hopkins surgeons report they have devised a better, safer method to replace bone removed from the skull after lifesaving brain surgery. The new technique, they say, appears to result in fewer complications than standard restoration, which has changed little since its development in the 1890s.

Released: 01/27/2014

In normal development, all cells turn off genes they don’t need, often by attaching a chemical methyl group to the DNA, a process called methylation. Historically, scientists believed methyl groups could only stick to a particular DNA sequence: a cytosine followed by a guanine, called CpG. But in recent years, they have been found on other sequences, and so-called non-CpG methylation has been found in stem cells, and in neurons in the brain.

Released: 01/06/2014

John M. Freeman, an internationally renowned Johns Hopkins pediatric neurologist and medical ethicist whose iconoclastic questioning of established medical practices revolutionized the treatment of pediatric epilepsy and advanced the development of modern biomedical ethics, died on Friday, Jan. 3, of cardiovascular disease. He was 80.
 

Released: 12/11/2013

Johns Hopkins researchers say that a drug approved to treat lung cancer substantially slowed the growth of tumors, in mice, caused by a rare form of bone cancer

Released: 12/05/2013

In mice with a rodent form of multiple sclerosis (MS), vitamin D appears to block damage-causing immune cells from migrating to the central nervous system, offering a potential explanation for why the so-called “sunshine vitamin” may prevent or ease symptoms of the neurodegenerative disease, according to results of a study at Johns Hopkins.

Released: 10/16/2013

Johns Hopkins scientists have developed new drugs that — at least in a laboratory dish — appear to halt the brain-destroying impact of a genetic mutation at work in some forms of two incurable diseases, amyotrophic lateral sclerosis (ALS) and dementia.
 

Released: 10/08/2013

 Johns Hopkins researchers say they have pinpointed a site in a highly developed area of the human brain that plays an important role in the subconscious recognition of which way is straight up and which way is down.
 

Released: 10/03/2013

A team of pediatric neurosurgeons and neuroradiologists at the Johns Hopkins Children’s Center has developed a way to minimize dangerous radiation exposure in children with a condition that requires repeat CT scans of the brain. The experts say they reduced exposure without sacrificing the diagnostic accuracy of the images or compromising treatment decisions.

Released: 10/01/2013

Johns Hopkins researchers, working with mice, say they have identified a chemical compound that reduces the risk of dangerous, potentially stroke-causing blood vessel spasms that often occur after the rupture of a bulging vessel in the brain.

Released: 09/24/2013

Working with mice, Johns Hopkins researchers have discovered that weeks of treatment with a repurposed FDA-approved drug halted the growth of — and ultimately left no detectable trace of — brain tumor cells taken from adult human patients.

Released: 09/19/2013

Working with cells in test tubes and in mice, researchers at Johns Hopkins have discovered that a chemical commonly used as a dog food preservative may prevent the kind of painful nerve damage found in the hands and feet of four out of five cancer patients taking the chemotherapy drug Taxol.

Released: 09/12/2013

Michael J. Caterina, M.D., Ph.D., has been named inaugural director of the Neurosurgery Pain Research Institute at Johns Hopkins, a center developed to fund research into controlling, preventing and eliminating pain.

 

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