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Salk News


Hungering for longevity—Salk scientists identify the confluence of aging signals

LA JOLLA, CA—Substantial evidence suggests that lifespan is increased if an organism restricts its daily calorie intake, a spartan regime that some say works by just making life seem longer. A team of scientists from the Salk Institute of Biological Studies has discovered a molecular switch flipped by hunger that could not only make longevity more appetizing but identify drug targets for patients with aging-related diseases such as type II diabetes or cancer.


Regrowing hair: A collaboration between Salk and UCLA researchers may have accidentally discovered a solution

LA JOLLA, CA—It has been long known that stress plays a part not just in the graying of hair but in hair loss as well. Over the years, numerous hair-restoration remedies have emerged, ranging from hucksters’ “miracle solvents” to legitimate medications such as minoxidil. But even the best of these have shown limited effectiveness.


Salk Announces $2 Million Gift from Mr. Conrad T. Prebys for an Endowed Chair in Vision Research

LA JOLLA, CA—The Salk Institute for Biological Studies today announced a generous gift from Mr. Conrad Prebys, a Salk Trustee, to establish the Conrad T. Prebys Endowed Chair in Vision Research for Dr. Tom Albright. As part of their senior scientist endowed chair challenge, Joan and Irwin Jacobs will match the donor’s gift with an additional $1,000,000 to establish the donor’s named chair at $3,000,000.


Salk Institute celebrates Grand Opening of the Waitt Advanced Biophotonics Center

LA JOLLA, CA—The Waitt Advanced Biophotonics Center at the Salk Institute for Biological Studies officially opens on February 9, 2011 after quietly hiring two faculty members specializing in biophotonics—the science of using and manipulating light to investigate biological function—and building up its core facility’s imaging capacity to rival most if not all academic research institutions of its size in the nation.


Salk professor Terrence Sejnowski elected to National Academy of Engineering

LA JOLLA, CA—Salk Institute professor Terry J. Sejnowski, Ph.D., has been elected a member of the National Academy of Engineering, an honor considered one of the highest accolades in the engineering world. Dr. Sejnowski, whose work on neural networks helped spark the neural networks revolution in computing in the 1980s, is recognized for his “contributions to artificial and real neural network algorithms and applying signal processing models to neuroscience.”


Salk welcomes national leader in academic technology transfer

LA JOLLA, CA—The Salk Institute is pleased to announce the appointment of Robert MacWright, Ph.D., Esq. as Executive Director of the Salk Institute Office of Technology Development. His appointment begins February 14, 2011.


Stem cell leader awarded $2.3 million grant for Parkinson’s

LA JOLLA, CA—The Salk Institute has been awarded a $2.3 million grant by the California Institute for Regenerative Medicine (CIRM) for translational research focusing on developing a novel stem cell based therapy for Parkinson’s disease.


Cell reprogramming leaves a “footprint” behind

LA JOLLA, CA—Reprogramming adult cells to recapture their youthful “can-do-it-all” attitude appears to leave an indelible mark, found researchers at the Salk Institute for Biological Studies. When the team, led by Joseph Ecker, PhD., a professor in the Genomic Analysis Laboratory, scoured the epigenomes of so-called induced pluripotent stem cells base by base, they found a consistent pattern of reprogramming errors.


Different evolutionary paths lead plants and animals to the same crossroads: tyrosine phosphorylation

LA JOLLA, CA—In analyzing the molecular sensor for the plant growth hormone brassinolide, researchers at the Salk Institute for Biological Studies discovered that although plants took an evolutionary path different from their animal cousins, they arrived at similar solutions to a common problem: How to reliably receive and process incoming signals.


At last, a function at the junction-Salk researchers discover that stem cell marker regulates synapse formation

LA JOLLA, CA—Among stem cell biologists there are few better-known proteins than nestin, whose very presence in an immature cell identifies it as a “stem cell,” such as a neural stem cell. As helpful as this is to researchers, until now no one knew which purpose nestin serves in a cell.


Conversion of brain tumor cells into blood vessels thwarts treatment efforts

LA JOLLA, CA—Glioblastoma, the most common and lethal form of brain cancer and the disease that killed Massachusetts Senator Ted Kennedy, resists nearly all treatment efforts, even when attacked simultaneously on several fronts. One explanation can be found in the tumor cells’ unexpected flexibility, discovered researchers at the Salk Institute for Biological Studies.


Unlocking the secret(ase) of building neural circuits

LA JOLLA, CA—Mutant presenilin is infamous for its role in the most aggressive form of Alzheimer’s disease-early-onset familial Alzheimer’s-which can strike people as early as their 30s. In their latest study, researchers at the Salk Institute uncovered presenilin’s productive side: It helps embryonic motor neurons navigate the maze of chemical cues that pull, push and hem them in on their way to their proper targets. Without it, budding motor neurons misread their guidance signals and get stuck in the spinal cord.


Edward M. Callaway named 2010 AAAS Fellow

LA JOLLA, CA—Salk researcher Edward M. Callaway, a professor in the Systems Neurobiology Laboratories has been awarded the distinction of AAAS Fellow for his “distinguished research on the organization and function of neocortical circuits.”


When less is more: how mitochondrial signals extend lifespan

LA JOLLA, CA—In making your pro-longevity resolutions, like drinking more red wine and maintaining a vibrant social network, here’s one you likely forgot: dialing down your mitochondria. It turns out that slowing the engines of these tiny cellular factories could extend your life-an observation relevant not only to aging research but to our understanding of how cells communicate with each another.


Salk Institute and Sanford-Burnham study selected most-cited paper in Molecular Biology & Genetics

LA JOLLA, CA—A collaborative paper by John A.T. Young, Ph.D., Nomis Foundation professor at the Salk Institute for Biological Studies and Sumit Chanda, Ph.D., associate professor at Sanford-Burnham Institute, has been identified by Science Watch® as the most-cited paper in the category of Molecular Biology & Genetics and is currently featured as a Fast-Moving Front paper on their website.


How cells running on empty trigger fuel recycling

LA JOLLA, CA—Researchers at the Salk Institute for Biological Studies have discovered how AMPK, a metabolic master switch that springs into gear when cells run low on energy, revs up a cellular recycling program to free up essential molecular building blocks in times of need.


Feast, famine, and the genetics of obesity: you can’t have it both ways

LA JOLLA, CA—In addition to fast food, desk jobs, and inertia, there is one more thing to blame for unwanted pounds-our genome, which has apparently not caught up with the fact that we no longer live in the Stone Age.


Compound derived from curry spice is neuroprotective against stroke and traumatic brain injury

LA JOLLA, CA—A synthetic derivative of the curry spice turmeric, made by scientists at the Salk Institute for Biological Studies, dramatically improves the behavioral and molecular deficits seen in animal models of ischemic stroke and traumatic brain injury (TBI). Two new studies suggest that the novel compound may have clinical promise for these conditions, which currently lack good therapies.


The stemness of cancer cells

LA JOLLA, CA—A close collaboration between researchers at the Salk Institute for Biological Studies and the Institute for Advanced Study found that the tumor suppressor p53, long thought of as the “Guardian of the Genome,” may do more than thwart cancer-causing mutations. It may also prevent established cancer cells from sliding toward a more aggressive, stem-like state by serving as a “Guardian against Genome Reprogramming.”


Melanopsin looks on the bright side of life

LA JOLLA, CA—Better known as the light sensor that sets the body’s biological clock, melanopsin also plays an important role in vision: Via its messengers-so-called melanopsin-expressing retinal ganglion cells, or mRGCs-it forwards information about the brightness of incoming light directly to conventional visual centers in the brain, reports an international collaboration of scientists in this week’s issue of PLoS Biology.