加利福尼亚州拉霍亚——我们身体的活动水平随着内部节拍的起伏而变化——24小时周期支配着从睡眠和进食模式到细胞可用能量等基本生理功能。大脑中的主钟由光线设定,而外周器官中的起搏器则由食物供应设定。其潜在的分子机制尚不清楚。.
LA JOLLA, CA—Although the human genome sequence faithfully lists (almost) every single DNA base of the roughly 3 billion bases that make up a human genome, it doesn’t tell biologists much about how its function is regulated. Now, researchers at the Salk Institute provide the first detailed map of the human epigenome, the layer of genetic control beyond the regulation inherent in the sequence of the genes themselves.
LA JOLLA, CA—The cerebral cortex, the largest and most complex component of the brain, is unique to mammals and alone has evolved human specializations. Although at first all stem cells in charge of building the cerebral cortex—the outermost layer of neurons commonly referred to as gray matter—are created equal, soon they irrevocably commit to forming specific cortical regions. But how the stem cells’ destiny is determined has remained an open question.
La Jolla, CA—Dr. Martin Hetzer, Hearst Endowment associate professor in the Salk Institute’s Molecular and Cell Biology Laboratory, has received a 2009 Senior Scholar Award in Aging from the Ellison Medical Foundation. He will receive $150,000 a year for four years to study the mechanisms at work in nuclear pore complexes, channels that mediate molecular traffic between the nucleus and cytoplasm of cells.
LA JOLLA, CA—Elizabeth H. Blackburn, Ph.D., a professor at the University of California in San Francisco and a Non-Resident Fellow at the Salk Institute for Biological Studies since 2001, will receive this year’s Nobel Prize in Medicine/Physiology for “the discovery of how chromosomes are protected by telomeres and the enzyme telomerase,” the Nobel Foundation in Stockholm, Sweden announced today.
拉霍亚,加利福尼亚州——据美国 Salk 生物研究所和西班牙巴塞罗那再生医学中心的几位研究人员报告,脐带血细胞可以成功地被重编程为具有类似胚胎干细胞的功能,这为创建全面的、组织匹配的、源自脐带血的诱导多能干细胞(iPS)库以供即用型应用奠定了基础。.
LA JOLLA, CA—The brain never sits idle. Whether we are awake or asleep, watch TV or close our eyes, waves of spontaneous nerve signals wash through our brains. Researchers at the Salk Institute for Biological Studies studying visual attention have discovered a novel mechanism that explains how incoming sensory signals make themselves heard amidst the constant background rumblings so they can be reliably processed and passed on.
LA JOLLA, CA—The Salk Institute for Biological Studies today officially launched PolioToday.org — a resource for polio survivors intended to raise awareness of the crippling post-polio syndrome (PPS), a serious neuromuscular condition that can strike an estimated 40-50 percent of people decades after they were first infected with the poliovirus.
LA JOLLA, CA—Protein S, a well-known anticoagulant protein, keeps the blood flowing in more than one way, discovered researchers at the Salk Institute for Biological Studies. The protein contributes to the formation and function of healthy blood vessels.
LA JOLLA, CA-Cell cycle checkpoints act like molecular tripwires for damaged cells, forcing them to pause and take stock. Leave the tripwire in place for too long, though, and cancer cells will press on regardless, making them resistant to the lethal effects of certain types of chemotherapy, according to researchers at the Salk Institute for Biological Studies.
Chris Lamb, the Salk Institute’s first plant biologist, died suddenly August 21st at age 59 in Norwich, England.
LA JOLLA, CA—For close to a decade, pharmaceutical researchers have been in hot pursuit of compounds to activate a key nicotine receptor that plays a role in cognitive processes. Triggering it, they hope, might prevent or even reverse the devastation wrought by Alzheimer’s disease.
LA JOLLA, CA—A collaborative study by researchers at the Salk Institute for Biological Studies uncovered that the tumor suppressor p53, which made its name as “guardian of the genome,” not only stops cells that could become cancerous in their tracks but also controls somatic cell reprogramming.
LA JOLLA, CA—Rather than sticking to a single DNA script, human brain cells harbor astonishing genomic variability, according to scientists at the Salk Institute for Biological Studies. The findings, to be published in the Aug. 5, 2009, advance online edition of 自然, could help explain brain development and individuality, as well as lead to a better understanding of neurological disease.
LA JOLLA, CA—Of all the qualities that distinguish humans from other species, how we learn is one of the most significant. In the July 17, 2009 issue of the journal Science, researchers who are at the forefront of neuroscience, psychology, education, and machine learning have synthesized a new science of learning that is already reshaping how we think about learning and creating opportunities to re-imagine the classroom for the 21st century.
LA JOLLA, CA—Just like a conductor cueing musicians in an orchestra, Fgf10, a member of the fibroblast growth factor (Ffg) family of morphogens, lets brain stem cells know that the moment to get to work has arrived, ensuring that they hit their first developmental milestone on time, report scientists at the Salk Institute for Biological Studies in the July 16, 2009, edition of the journal 神经元.
SAN DIEGO, CA—The Salk Institute for Biological Sciences today announced the establishment of the Irwin M. Jacobs Presidential Chair based on an endowment from Qualcomm and Qualcomm’s employees. The Presidential Chair commemorates Qualcomm founder Dr. Irwin Jacobs’ recent decision to step down as chairman of Qualcomm’s Board of Directors and recognizes his ongoing dedicated leadership of the Salk Institute’s Board of Trustees. Dr. Jacobs continues to serve as a member of Qualcomm’s Board of Directors and in that capacity continues to provide his vision and guidance.
LA JOLLA, CA—A $3.8 million grant from the National Eye Institute (NEI) of the National Institutes of Health places the Salk Institute among one of seven NEI-designated centers focused exclusively on the basic research of vision, and is the first basic science facility created by the NEI in nearly a decade.
LA JOLLA, CA—Although the fact that we generate new brain cells throughout life is no longer disputed, their purpose has been the topic of much debate. Now, an international collaboration of researchers made a big leap forward in understanding what all these newborn neurons might actually do. Their study, published in the July 10, 2009, issue of the journal Science, illustrates how these young cells improve our ability to navigate our environment.
LA JOLLA, CA—A tightly controlled system of checks and balances ensures that a powerful tumor suppressor called p53 keeps a tight lid on unchecked cell growth but doesn’t wreak havoc in healthy cells. In their latest study, scientists at the Salk Institute for Biological Studies suggest just how finely tuned the system is and how little it takes to tip the balance.