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Salk News


Drug blocks light sensors in eye that may trigger migraine attacks

LA JOLLA, CA—For many migraine sufferers, bright lights are a surefire way to exacerbate their headaches. And for some night-shift workers, just a stroll through a brightly lit parking lot during the morning commute home can be enough to throw off their body’s daily rhythms and make daytime sleep nearly impossible. But a new molecule that selectively blocks specialized light-sensitive receptors in the eyes could help both these groups of people, without affecting normal vision according to a study published August 25, 2013 in Nature Chemical Biology.


Potent mechanism helps viruses shut down body’s defense system against infection

LA JOLLA, CA—Researchers at the Salk Institute for Biological Studies have discovered a powerful mechanism by which viruses such as influenza, West Nile and Dengue evade the body’s immune response and infect humans with these potentially deadly diseases. The findings may provide scientists with an attractive target for novel antiviral therapies.


Salk scientists add new bond to protein engineering toolbox

LA JOLLA, CA—Proteins are the workhorses of cells, adopting conformations that allow them to set off chemical reactions, send signals and transport materials. But when a scientist is designing a new drug, trying to visualize the processes inside cells, or probe how molecules interact with each other, they can’t always find a protein that will do the job they want. Instead, they often engineer their own novel proteins to use in experiments, either from scratch or by altering existing molecules.


Salk scientist discovers novel mechanism in spinal cord injury

LA JOLLA, CA—More than 11,000 Americans suffer spinal cord injuries each year, and since over a quarter of those injuries are due to falls, the number is likely to rise as the population ages. The reason so many of those injuries are permanently disabling is that the human body lacks the capacity to regenerate nerve fibers. The best our bodies can do is route the surviving tissue around the injury site.


Salk Institute raises a record $93 million in 2012 fiscal year

LA JOLLA,CA—The Salk Institute received a record-setting $93 million from individuals, foundations and corporate donors during fiscal year 2012 to support the Campaign for Salk, the Institute’s first major fundraising campaign.


Novel ‘top-down’ mechanism repatterns developing brain regions

LA JOLLA,CA—Dennis O’Leary of the Salk Institute was the first scientist to show that the basic functional architecture of the cortex, the largest part of the human brain, was genetically determined during development. But as it so often does in science, answering one question opened up many others. O’Leary wondered what if the layout of the cortex wasn’t fixed? What would happen if it were changed?


Salk scientists discover more versatile approach to creating stem cells

LA JOLLA, CA—Stem cells are key to the promise of regenerative medicine: the repair or replacement of injured tissues with custom grown substitutes. Essential to this process are induced pluripotent stem cells (iPSCs), which can be created from a patient’s own tissues, thus eliminating the risk of immune rejection. However, Shinya Yamanaka’s formula for iPSCs, for which he was awarded last year’s Nobel Prize, uses a strict recipe that allows for limited variations in human cells, restricting their full potential for clinical application.


Critical pathway in cell cycle may lead to cancer development

LA JOLLA,CA—A team of scientists at the Salk Institute for Biological Studies has identified why disruption of a vital pathway in cell cycle control leads to the proliferation of cancer cells. Their findings on telomeres, the stretches of DNA at the ends of chromosomes that protect our genetic code and make it possible for cells to divide, suggest a potential target for preventive measures against cancer, aging and other diseases. The findings were published July 11, 2013 in Molecular Cell.


Tickets for Symphony at Salk, featuring singing superstar Katharine McPhee, on sale now

LA JOLLA,CA—Tickets are now available online for the 18th annual “Symphony at Salk-a concert under the stars” featuring multi-talented
singer Katharine McPhee who will perform at the Institute on August 24 with the
San Diego Symphony and
acclaimed guest conductor Maestro Thomas Wilkins.


Salk researchers identify potential biomarker for cancer diagnosis

LA JOLLA,CA—Scientists studying cancer development have known about micronuclei
for some time. These erratic, small extra nuclei, which contain fragments, or whole
chromosomes that were not incorporated into daughter cells after cell division,
are associated with specific forms of cancer and are predictive of poorer prognosis.


Unique epigenomic code identified during human brain development

LA JOLLA,CA—Changes in the epigenome, including chemical modifications of DNA, can act as an extra layer of information in the genome, and are thought to play a role in learning and memory, as well as in age-related cognitive decline. The results of a new study by scientists at the Salk Institute for Biological Studies show that the landscape of DNA methylation, a particular type of epigenomic modification, is highly dynamic in brain cells during the transition from birth to adulthood, helping to understand how information in the genomes of cells in the brain is controlled from fetal development to adulthood. The brain is much more complex than all other organs in the body and this discovery opens the door to a deeper understanding of how the intricate patterns of connectivity in the brain are formed.


Scientists help explain visual system’s remarkable ability to recognize complex objects

LA JOLLA, CA—How is it possible for a human eye to figure out letters that are twisted and looped in crazy directions, like those in the little security test internet users are often given on websites?


High-resolution mapping technique uncovers underlying circuit architecture of the brain

LA JOLLA, CA—The power of the brain lies in its trillions of intercellular connections, called synapses that together form complex neural “networks.” While neuroscientists have long sought to map these individual connections to see how they influence specific brain functions, traditional techniques have been unsuccessful. Now, scientists at the Salk Institute and the Gladstone Institutes, using an innovative brain- tracing technique, have found a way to untangle these networks. These findings offer new insight into how specific brain regions connect to each other, while also revealing clues as to what may happen, neuron by neuron, when these connections are disrupted.


Salk scientists discover previously unknown requirement for brain development

LA JOLLA—Scientists at the Salk Institute for Biological Studies have demonstrated that sensory regions in the brain develop in a fundamentally different way than previously thought, a finding that may yield new insights into visual and neural disorders.


Singing superstar Katharine McPhee headlines Symphony at Salk on August 24

LA JOLLA, CA—On Aug. 24, 2013, multi-talented singer Katharine McPhee will step into the spotlight as the featured headliner for the 18th annual “Symphony at Salk-a concert under the stars” to perform with the San Diego Symphony and acclaimed guest conductor Maestro Thomas Wilkins.


Scientists identify thousands of plant genes activated by ethylene gas

LA JOLLA, CA—It’s common wisdom that one rotten apple in a barrel spoils all the other apples, and that an apple ripens a green banana if they are put together in a paper bag. Ways to ripen, or spoil, fruit have been known for thousands of years-as the Bible can attest-but now the genes underlying these phenomena of nature have been revealed.


Three Salk faculty awarded endowed chairs

LA JOLLA, CA—Salk scientists Beverly M. Emerson, Christopher R. Kintner, and Paul E. Sawchenko were selected as inaugural holders of new endowed chairs created through the Joan Klein Jacobs and Irwin Mark Jacobs Senior Scientist Endowed Chair Challenge. In 2008, Dr. and Mrs. Jacobs created a challenge grant to establish endowed chairs for senior scientists. For every $2 million that a donor contributes toward an endowed chair at the Institute, the Jacobses will add $1 million to achieve the $3 million funding level required to fully endow a chair for a Salk senior scientist. To date, 17 out of 20 chairs have been established.


Protein preps cells to survive stress of cancer growth and chemotherapy

LA JOLLA, CA—Scientists have uncovered a survival mechanism that occurs in breast cells that have just turned premalignant-cells on the cusp between normalcy and cancers-which may lead to new methods of stopping tumors.


Timing of cancer radiation therapy may minimize hair loss, researchers say

LA JOLLA, CA—Discovering that mouse hair has a circadian clock – a 24-hour cycle of growth followed by restorative repair – researchers suspect that hair loss in humans from toxic cancer radiotherapy and chemotherapy might be minimized if these treatments are given late in the day.


Salk scientists develop drug that slows Alzheimer’s in mice

LA JOLLA, CA—A drug developed by scientists at the Salk Institute for Biological Studies, known as J147, reverses memory deficits and slows Alzheimer’s disease in aged mice following short-term treatment. The findings, published May 14 in the journal Alzheimer’s Research and Therapy, may pave the way to a new treatment for Alzheimer’s disease in humans.